Merge commit '9d58639e270f7612874681e0ca30fa461e2667b7'

* commit '9d58639e270f7612874681e0ca30fa461e2667b7':
  sws: Drop deprecated SWS_CPU_CAPS defines

Merged-by: Hendrik Leppkes <h.leppkes@gmail.com>

Changelog

@@ -1,510 +1,7 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
-version 2.8.11
-- avcodec/h264_slice: Clear ref_counts on redundant slices
-- lavf/mov.c: Avoid heap allocation wrap in mov_read_uuid
-- lavf/mov.c: Avoid heap allocation wrap in mov_read_hdlr
-- avcodec/pictordec: Fix logic error
-- avcodec/movtextdec: Fix decode_styl() cleanup
-- lavf/matroskadec: fix is_keyframe for early Blocks
-- configure: bump year
-- avcodec/pngdec: Check trns more completely
-- avcodec/interplayvideo: Move parameter change check up
-- avcodec/mjpegdec: Check for for the bitstream end in mjpeg_decode_scan_progressive_ac()
-- avformat/flacdec: Check avio_read result when reading flac block header.
-- avcodec/utils: correct align value for interplay
-- avcodec/vp56: Check for the bitstream end, pass error codes on
-- avcodec/mjpegdec: Check remaining bitstream in ljpeg_decode_yuv_scan()
-- avcodec/pngdec: Fix off by 1 size in decode_zbuf()
-- avformat/avidec: skip odml master index chunks in avi_sync
-- avcodec/mjpegdec: Check for rgb before flipping
-- avutil/random_seed: Reduce the time needed on systems with very low precision clock()
-- avutil/random_seed: Improve get_generic_seed() with higher precision clock()
-- avformat/utils: Print verbose error message if stream count exceeds max_streams
-- avformat/options_table: Set the default maximum number of streams to 1000
-- avutil: Add av_image_check_size2()
-- avformat: Add max_streams option
-- avcodec/ffv1enc: Allocate smaller packet if the worst case size cannot be allocated
-- avcodec/mpeg4videodec: Fix undefined shifts in mpeg4_decode_sprite_trajectory()
-- avformat/oggdec: Skip streams in duration correction that did not had their duration set.
-- avcodec/ffv1enc: Fix size of first slice
-- pgssubdec: reset rle_data_len/rle_remaining_len on allocation error
-
-version 2.8.10
-- avformat/http: Match chunksize checks to master..3.0
-- Changelog: fix typos
-- ffserver: Check chunk size
-- Avoid using the term "file" and prefer "url" in some docs and comments
-- avformat/rtmppkt: Check for packet size mismatches
-- zmqsend: Initialize ret to 0
-- configure: check for strtoull on msvc
-- http: move chunk handling from http_read_stream() to http_buf_read().
-- http: make length/offset-related variables unsigned.
-
-version 2.8.9
-- avcodec/flacdec: Fix undefined shift in decode_subframe()
-- avcodec/get_bits: Fix get_sbits_long(0)
-- avformat/ffmdec: Check media type for chunks
-- avcodec/flacdec: Fix signed integer overflow in decode_subframe_fixed()
-- avcodec/flacdsp_template: Fix undefined shift in flac_decorrelate_indep_c
-- avformat/oggparsespeex: Check frames_per_packet and packet_size
-- avformat/utils: Check start/end before computing duration in update_stream_timings()
-- avcodec/flac_parser: Update nb_headers_buffered
-- avformat/idroqdec: Check chunk_size for being too large
-- filmstripdec: correctly check image dimensions
-- mss2: only use error correction for matching block counts
-- softfloat: decrease MIN_EXP to cover full float range
-- libopusdec: default to stereo for invalid number of channels
-- sbgdec: prevent NULL pointer access
-- smacker: limit recursion depth of smacker_decode_bigtree
-- mxfdec: fix NULL pointer dereference in mxf_read_packet_old
-- libschroedingerdec: fix leaking of framewithpts
-- libschroedingerdec: don't produce empty frames
-- softfloat: handle -INT_MAX correctly
-- pnmdec: make sure v is capped by maxval
-- smvjpegdec: make sure cur_frame is not negative
-- icodec: correctly check avio_read return value
-- icodec: fix leaking pkt on error
-- dvbsubdec: fix division by zero in compute_default_clut
-- proresdec_lgpl: explicitly check coff[3] against slice_data_size
-- escape124: reject codebook size 0
-- mpegts: prevent division by zero
-- matroskadec: fix NULL pointer dereference in webm_dash_manifest_read_header
-- mpegaudio_parser: don't return AVERROR_PATCHWELCOME
-- mxfdec: fix NULL pointer dereference
-- diracdec: check return code of get_buffer_with_edge
-- ppc: pixblockdsp: do unaligned block accesses correctly again
-- mpeg12dec: unref discarded picture from extradata
-- cavsdec: unref frame before referencing again
-- avformat: prevent triggering request_probe assert in ff_read_packet
-- avformat/mpeg: Adjust vid probe threshold to correct mis-detection
-- avcodec/rv40: Test remaining space in loop of get_dimension()
-- avcodec/ituh263dec: Avoid spending a long time in slice sync
-- avcodec/movtextdec: Add error message for tsmb_size check
-- avcodec/movtextdec: Fix tsmb_size check==0 check
-- avcodec/movtextdec: Fix potential integer overflow
-- avcodec/sunrast: Fix input buffer pointer check
-- avcodec/tscc:  Check side data size before use
-- avcodec/rawdec: Check side data size before use
-- avcodec/msvideo1: Check side data size before use
-- avcodec/qpeg:  Check side data size before use
-- avcodec/qtrle:  Check side data size before use
-- avcodec/msrle:  Check side data size before use
-- avcodec/kmvc:  Check side data size before use
-- avcodec/idcinvideo: Check side data size before use
-- avcodec/cinepak: Check side data size before use
-- avcodec/8bps: Check side data size before use
-- avcodec/dvdsubdec: Fix off by 1 error
-- avcodec/dvdsubdec: Fix buf_size check
-- vp9: change order of operations in adapt_prob().
-- avcodec/interplayvideo: Check side data size before use
-- avformat/mxfdec: Check size to avoid integer overflow in mxf_read_utf16_string()
-- avcodec/mpegvideo_enc: Clear mmx state in ff_mpv_reallocate_putbitbuffer()
-- avcodec/utils: Clear MMX state before returning from avcodec_default_execute*()
-- cmdutils: fix typos
-- lavfi: fix typos
-- lavc: fix typos
-- tools: fix grammar error
-- avutil/mips/generic_macros_msa: rename macro variable which causes segfault for mips r6
-- videodsp: fix 1-byte overread in top/bottom READ_NUM_BYTES iterations.
-- avformat/avidec: Check nb_streams in read_gab2_sub()
-- avformat/avidec: Remove ancient assert
-- lavc/movtextdec.c: Avoid infinite loop on invalid data.
-- avcodec/ansi: Check dimensions
-- avcodec/cavsdsp: use av_clip_uint8() for idct
-
-version 2.8.8
-- avformat/movenc: Check packet in mov_write_single_packet() too
-- avformat/movenc: Factor check_pkt() out
-- avformat/utils: fix timebase error in avformat_seek_file()
-- avcodec/g726: Add missing ADDB output mask
-- avcodec/avpacket: clear side_data_elems
-- avcodec/ccaption_dec: Use simple array instead of AVBuffer
-- swscale/swscale_unscaled: Try to fix Rgb16ToPlanarRgb16Wrapper() with slices
-- swscale/swscale_unscaled: Fix packed_16bpc_bswap() with slices
-- avformat/avidec: Fix infinite loop in avi_read_nikon()
-- cmdutils: fix implicit declaration of SetDllDirectory function
-- cmdutils: check for SetDllDirectory() availability
-- avcodec/aacenc: Tighter input checks
-- libavcodec/wmalosslessdec: Check the remaining bits
-- avcodec/diracdec: Check numx/y
-- avcodec/indeo2: check ctab
-- avformat/swfdec: Fix inflate() error code check
-- avcodec/h264: Put context_count check back
-- cmdutils: remove the current working directory from the DLL search path on win32
-- avcodec/raw: Fix decoding of ilacetest.mov
-- avcodec/ffv1enc: Fix assertion failure with non zero bits per sample
-- avformat/oggdec: Fix integer overflow with invalid pts
-- ffplay: Fix invalid array index
-- avcodec/vp9_parser: Check the input frame sizes for being consistent
-- libavformat/rtpdec_asf: zero initialize the AVIOContext struct
-- libavutil/opt: Small bugfix in example.
-- libx264: Increase x264 opts character limit to 4096
-- avformat/mov: Check sample size
-- avformat/format: Fix registering a format more than once and related races
-- avcodec/flac_parser: Raise threshold for detecting invalid data
-- avfilter/vf_telecine: Make frame writable before writing into it
-- avcodec/mpc8: Correct end truncation
-- avcodec/mpegvideo: Do not clear the parse context during init
-- MAINTAINERs cleanup (remove myself from things i de facto do not maintain)
-- avcodec/h264: Fix off by 1 context count
-- avcodec/alsdec: Check r to prevent out of array read
-- avcodec/alsdec: fix max bits in ltp prefix code
-- avcodec/utils: check skip_samples signedness
-- avformat/mpegts: Do not trust BSSD descriptor, it is sometimes not an S302M stream
-- avcodec/bmp_parser: Check fsize
-- avcodec/bmp_parser: reset state
-- avcodec/bmp_parser: Fix remaining size
-- avcodec/bmp_parser: Fix frame_start_found in cross frame cases
-- avfilter/af_amix: do not fail if there are no samples in output_frame()
-- avformat/allformats: Making av_register_all() thread-safe.
-- avcodec/mpegvideo: Deallocate last/next picture earlier
-- avcodec/bmp_parser: Fix state
-- avformat/oggparseopus: Fix Undefined behavior in oggparseopus.c and libavformat/utils.c
-- doc/developer.texi: Add a code of conduct
-- avformat/avidec: Detect index with too short entries
-- avformat/utils: Check negative bps before shifting in ff_get_pcm_codec_id()
-- avformat/utils: Do not compute the bitrate from duration == 0
-- ffmpeg: Check that r_frame_rate is set before attempting to use it
-- swresample/rematrix: Use clipping s16 rematrixing if overflows are possible
-- swresample/rematrix: Use error diffusion to avoid error in the DC component of the matrix
-- libavformat/oggdec: Free stream private when header parsing fails.
-- avformat/utils: Check bps before using it in a shift in ff_get_pcm_codec_id()
-- avformat/oggparseopus: Check that granule pos is within the supported range
-- avcodec/mjpegdec: Do not try to detect last scan but apply idct after all scans for progressive jpeg
-- avformat/options_table: Add missing identifier for very strict compliance
-- librtmp: Avoid an infiniloop setting connection arguments
-- avformat/oggparsevp8: fix pts calculation on pages ending with an invisible frame
-
-
-version 2.8.7
-- avcodec/motion_est: Attempt to fix "short data segment overflowed" on IA64
-- avformat/ffmdec: Check pix_fmt
-- avcodec/ttaenc: Reallocate packet if its too small
-- pgssubdec: fix subpicture output colorspace and range
-- avcodec/ac3dec: Reset SPX when switching from EAC3 to AC3
-- avfilter/vf_drawtext: Check return code of load_glyph()
-- avcodec/takdec: add code that got somehow lost in process of REing
-- avcodec/apedec: fix decoding of stereo files with one channel full of silence
-- avcodec/avpacket: Fix off by 5 error
-- avcodec/h264: Fix for H.264 configuration parsing
-- avcodec/bmp_parser: Ensure remaining_size is not too small in startcode packet crossing corner case
-- avfilter/src_movie: fix how we check for overflows with seek_point
-- avcodec/j2kenc: Add attribution to OpenJPEG project:
-- avcodec/h264_slice: Check PPS more extensively when its not copied
-- avcodec/libutvideodec: copy frame so it has reference counters when refcounted_frames is set
-- avformat/rtpdec_jpeg: fix low contrast image on low quality setting
-- avcodec/mjpegenc_common: Store approximate aspect if exact cannot be stored
-- lavc/hevc: Allow arbitrary garbage in bytestream as long as at least one NAL unit is found.
-- avcodec/resample: Remove disabled and faulty code
-- indeo2: Fix banding artefacts
-- indeo2data: K&R formatting cosmetics
-- avcodec/imgconvert: Support non-planar colorspaces while padding
-- avutil/random_seed: Add the runtime in cycles of the main loop to the entropy pool
-- avutil/channel_layout: AV_CH_LAYOUT_6POINT1_BACK not reachable in parsing
-- avformat/concatdec: set safe mode to enabled instead of auto
-- avformat/utils: fix dts from pts code in compute_pkt_fields() during ascending delay
-- avformat/rtpenc: Fix integer overflow in NTP_TO_RTP_FORMAT
-- avformat/cache: Fix memleak of tree entries
-- lavf/mov: downgrade sidx errors to non-fatal warnings; fixes trac #5216 (cherry picked from commit 22dbc1caaf13e4bb17c9e0164a5b1ccaf490e428)
-- lavf/mov: fix sidx with edit lists (cherry picked from commit 3617e69d50dd9dd07b5011dfb9477a9d1a630354)
-- avcodec/mjpegdec: Fix decoding slightly odd progressive jpeg
-- libwebpenc_animencoder: print library messages in verbose log levels
-- libwebpenc_animencoder: zero initialize the WebPAnimEncoderOptions struct
-- doc/utils: fix typo for min() description
-- avcodec/avpacket: clear priv in av_init_packet()
-- swscale/utils: Fix chrSrcHSubSample for GBRAP16
-- swscale/input: Fix GBRAP16 input
-- postproc: fix unaligned access
-- avutil/pixdesc: Make get_color_type() aware of CIE XYZ formats
-- avcodec/h264: Execute error concealment before marking the frame as done.
-- swscale/x86/output: Fix yuv2planeX_16* with unaligned destination
-- swscale/x86/output: Move code into yuv2planeX_mainloop
-- avutil/frame: Free destination qp_table_buf in frame_copy_props()
-
-
-version 2.8.6
-- avcodec/jpeg2000dec: More completely check cdef
-- avutil/opt: check for and handle errors in av_opt_set_dict2()
-- avcodec/flacenc: fix calculation of bits required in case of custom sample rate
-- avformat: Document urls a bit
-- avformat/libquvi: Set default demuxer and protocol limitations
-- avformat/concat: Check protocol prefix
-- doc/demuxers: Document enable_drefs and use_absolute_path
-- avcodec/mjpegdec: Check for end for both bytes in unescaping
-- avcodec/mpegvideo_enc: Check for integer overflow in ff_mpv_reallocate_putbitbuffer()
-- avformat/avformat: Replace some references to filenames by urls
-- avcodec/wmaenc: Check ff_wma_init() for failure
-- avcodec/mpeg12enc: Move high resolution thread check to before initializing threads
-- avformat/img2dec: Use AVOpenCallback
-- avformat/avio: Limit url option parsing to the documented cases
-- avformat/img2dec: do not interpret the filename by default if a IO context has been opened
-- avcodec/ass_split: Fix null pointer dereference in ff_ass_style_get()
-- mov: Add an option to toggle dref opening
-- avcodec/gif: Fix lzw buffer size
-- avcodec/put_bits: Assert buf_ptr in flush_put_bits()
-- avcodec/tiff: Check subsample & rps values more completely
-- swscale/swscale: Add some sanity checks for srcSlice* parameters
-- swscale/x86/rgb2rgb_template: Fix planar2x() for short width
-- swscale/swscale_unscaled: Fix odd height inputs for bayer_to_yv12_wrapper()
-- swscale/swscale_unscaled: Fix odd height inputs for bayer_to_rgb24_wrapper()
-- avcodec/aacenc: Check both channels for finiteness
-- asfdec_o: check for too small size in asf_read_unknown
-- asfdec_o: break if EOF is reached after asf_read_packet_header
-- asfdec_o: make sure packet_size is non-zero before seeking
-- asfdec_o: prevent overflow causing seekback
-- asfdec_o: check avio_skip in asf_read_simple_index
-- asfdec_o: reject size > INT64_MAX in asf_read_unknown
-- asfdec_o: only set asf_pkt->data_size after sanity checks
-- Merge commit '8375dc1dd101d51baa430f34c0bcadfa37873896'
-- dca: fix misaligned access in avpriv_dca_convert_bitstream
-- brstm: fix missing closing brace
-- brstm: also allocate b->table in read_packet
-- brstm: make sure an ADPC chunk was read for adpcm_thp
-- vorbisdec: reject rangebits 0 with non-0 partitions
-- vorbisdec: reject channel mapping with less than two channels
-- ffmdec: reset packet_end in case of failure
-- avformat/ipmovie: put video decoding_map_size into packet and use it in decoder
-- avformat/brstm: fix overflow
-
-
-version 2.8.5
-- avformat/hls: Even stricter URL checks
-- avformat/hls: More strict url checks
-- avcodec/pngenc: Fix mixed up linesizes
-- avcodec/pngenc: Replace memcpy by av_image_copy()
-- swscale/vscale: Check that 2 tap filters are bilinear before using bilinear code
-- swscale: Move VScalerContext into vscale.c
-- swscale/utils: Detect and skip unneeded sws_setColorspaceDetails() calls
-- swscale/yuv2rgb: Increase YUV2RGB table headroom
-- swscale/yuv2rgb: Factor YUVRGB_TABLE_LUMA_HEADROOM out
-- avformat/hls: forbid all protocols except http(s) & file
-- avformat/aviobuf: Fix end check in put_str16()
-- avformat/asfenc: Check pts
-- avcodec/mpeg4video: Check time_incr
-- avcodec/wavpackenc: Check the number of channels
-- avcodec/wavpackenc: Headers are per channel
-- avcodec/aacdec_template: Check id_map
-- avcodec/dvdec: Fix "left shift of negative value -254"
-- avcodec/g2meet: Check for ff_els_decode_bit() failure in epic_decode_run_length()
-- avcodec/mjpegdec: Fix negative shift
-- avcodec/mss2: Check for repeat overflow
-- avformat: Add integer fps from 31 to 60 to get_std_framerate()
-- avformat/ivfenc: fix division by zero
-- avcodec/mpegvideo_enc: Clip bits_per_raw_sample within valid range
-- avfilter/vf_scale: set proper out frame color range
-- avcodec/motion_est: Fix mv_penalty table size
-- avcodec/h264_slice: Fix integer overflow in implicit weight computation
-- swscale/utils: Use normal bilinear scaler if fast cannot be used due to tiny dimensions
-- avcodec/put_bits: Always check buffer end before writing
-- mjpegdec: extend check for incompatible values of s->rgb and s->ls
-- swscale/utils: Fix intermediate format for cascaded alpha downscaling
-- avformat/mov: Update handbrake_version threshold for full mp3 parsing
-- x86/float_dsp: zero extend offset from ff_scalarproduct_float_sse
-- avfilter/vf_zoompan: do not free frame we pushed to lavfi
-- nuv: sanitize negative fps rate
-- nutdec: reject negative value_len in read_sm_data
-- xwddec: prevent overflow of lsize * avctx->height
-- nutdec: only copy the header if it exists
-- exr: fix out of bounds read in get_code
-- on2avc: limit number of bits to 30 in get_egolomb
-
-
-version 2.8.4
-- rawdec: only exempt BIT0 with need_copy from buffer sanity check
-- mlvdec: check that index_entries exist
-- avcodec/mpeg4videodec: also for empty partitioned slices
-- avcodec/h264_refs: Fix long_idx check
-- avcodec/h264_mc_template: prefetch list1 only if it is used in the MB
-- avcodec/h264_slice: Simplify ref2frm indexing
-- avfilter/vf_mpdecimate: Add missing emms_c()
-- sonic: make sure num_taps * channels is not larger than frame_size
-- opus_silk: fix typo causing overflow in silk_stabilize_lsf
-- ffm: reject invalid codec_id and codec_type
-- golomb: always check for invalid UE golomb codes in get_ue_golomb
-- sbr_qmf_analysis: sanitize input for 32-bit imdct
-- sbrdsp_fixed: assert that input values are in the valid range
-- aacsbr: ensure strictly monotone time borders
-- aacenc: update max_sfb when num_swb changes
-- aaccoder: prevent crash of anmr coder
-- ffmdec: reject zero-sized chunks
-- swscale/x86/rgb2rgb_template: Fallback to mmx in interleaveBytes() if the alignment is insufficient for SSE*
-- swscale/x86/rgb2rgb_template: Do not crash on misaligend stride
-- avformat/mxfenc: Do not crash if there is no packet in the first stream
-- lavf/tee: fix side data double free.
-- avformat/hlsenc: Check the return code of avformat_write_header()
-- avformat/mov: Enable parser for mp3s by old HandBrake
-- avformat/mxfenc: Fix integer overflow in length computation
-- avformat/utils: estimate_timings_from_pts - increase retry counter, fixes invalid duration for ts files with hevc codec
-- avformat/matroskaenc: Check codecdelay before use
-- avutil/mathematics: Fix division by 0
-- mjpegdec: consider chroma subsampling in size check
-- libvpxenc: remove some unused ctrl id mappings
-- avcodec/vp3: ensure header is parsed successfully before tables
-- avcodec/jpeg2000dec: Check bpno in decode_cblk()
-- avcodec/pgssubdec: Fix left shift of 255 by 24 places cannot be represented in type int
-- swscale/utils: Fix for runtime error: left shift of negative value -1
-- avcodec/hevc: Fix integer overflow of entry_point_offset
-- avcodec/dirac_parser: Check that there is a previous PU before accessing it
-- avcodec/dirac_parser: Add basic validity checks for next_pu_offset and prev_pu_offset
-- avcodec/dirac_parser: Fix potential overflows in pointer checks
-- avcodec/wmaprodec: Check bits per sample to be within the range not causing integer overflows
-- avcodec/wmaprodec: Fix overflow of cutoff
-- avformat/smacker: fix integer overflow with pts_inc
-- avcodec/vp3: Fix "runtime error: left shift of negative value"
-- avformat/riffdec: Initialize bitrate
-- mpegencts: Fix overflow in cbr mode period calculations
-- avutil/timecode: Fix fps check
-- avutil/mathematics: return INT64_MIN (=AV_NOPTS_VALUE) from av_rescale_rnd() for overflows
-- avcodec/apedec: Check length in long_filter_high_3800()
-- avcodec/vp3: always set pix_fmt in theora_decode_header()
-- avcodec/mpeg4videodec: Check available data before reading custom matrix
-- avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd
-- avutil/integer: Fix av_mod_i() with negative dividend
-- avformat/dump: Fix integer overflow in av_dump_format()
-- avcodec/h264_refs: Check that long references match before use
-- avcodec/utils: Clear dimensions in ff_get_buffer() on failure
-- avcodec/utils: Use 64bit for aspect ratio calculation in avcodec_string()
-- avcodec/hevc: Check max ctb addresses for WPP
-- avcodec/vp3: Clear context on reinitialization failure
-- avcodec/hevc: allocate entries unconditionally
-- avcodec/hevc_cabac: Fix multiple integer overflows
-- avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_encode*()
-- avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_decode*()
-- avcodec/hevc: Check entry_point_offsets
-- lavf/rtpenc_jpeg: Less strict check for standard Huffman tables.
-- avcodec/ffv1dec: Clear quant_table_count if its invalid
-- avcodec/ffv1dec: Print an error if the quant table count is invalid
-- doc/filters/drawtext: fix centering example
-
-
-version 2.8.3
-- avcodec/cabac: Check initial cabac decoder state
-- avcodec/cabac_functions: Fix "left shift of negative value -31767"
-- avcodec/h264_slice: Limit max_contexts when slice_context_count is initialized
-- rtmpcrypt: Do the xtea decryption in little endian mode
-- avformat/matroskadec: Check subtitle stream before dereferencing
-- avcodec/pngdec: Replace assert by request for sample for unsupported TRNS cases
-- avformat/utils: Do not init parser if probing is unfinished
-- avcodec/jpeg2000dec: Fix potential integer overflow with tile dimensions
-- avcodec/jpeg2000: Use av_image_check_size() in ff_jpeg2000_init_component()
-- avcodec/wmaprodec: Check for overread in decode_packet()
-- avcodec/smacker: Check that the data size is a multiple of a sample vector
-- avcodec/takdec: Skip last p2 sample (which is unused)
-- avcodec/dxtory: Fix input size check in dxtory_decode_v1_410()
-- avcodec/dxtory: Fix input size check in dxtory_decode_v1_420()
-- avcodec/error_resilience: avoid accessing previous or next frames tables beyond height
-- avcodec/dpx: Move need_align to act per line
-- avcodec/flashsv: Check size before updating it
-- avcodec/ivi: Check image dimensions
-- avcodec/utils: Better check for channels in av_get_audio_frame_duration()
-- avcodec/jpeg2000dec: Check for duplicate SIZ marker
-- aacsbr: don't call sbr_dequant twice without intermediate read_sbr_data
-- hqx: correct type and size check of info_offset
-- mxfdec: check edit_rate also for physical_track
-- avcodec/jpeg2000: Change coord to 32bit to support larger than 32k width or height
-- avcodec/jpeg2000dec: Check SIZ dimensions to be within the supported range
-- avcodec/jpeg2000: Check comp coords to be within the supported size
-- mpegvideo: clear overread in clear_context
-- avcodec/avrndec: Use the AVFrame format instead of the context
-- dds: disable palette flag for compressed images
-- dds: validate compressed source buffer size
-- dds: validate source buffer size before copying
-- dvdsubdec: validate offset2 similar to offset1
-- brstm: reject negative sample rate
-- aacps: avoid division by zero in stereo_processing
-- softfloat: assert when the argument of av_sqrt_sf is negative
-
-version 2.8.2
-- various fixes in the aac_fixed decoder
-- various fixes in softfloat
-- swresample/resample: increase precision for compensation
-- lavf/mov: add support for sidx fragment indexes
-- avformat/mxfenc: Only store user comment related tags when needed
-- tests/fate/avformat: Fix fate-lavf
-- doc/ffmpeg: Clarify that the sdp_file option requires an rtp output.
-- ffmpeg: Don't try and write sdp info if none of the outputs had an rtp format.
-- apng: use correct size for output buffer
-- jvdec: avoid unsigned overflow in comparison
-- avcodec/jpeg2000dec: Clip all tile coordinates
-- avcodec/microdvddec: Check for string end in 'P' case
-- avcodec/dirac_parser: Fix undefined memcpy() use
-- avformat/xmv: Discard remainder of packet on error
-- avformat/xmv: factor return check out of if/else
-- avcodec/mpeg12dec: Do not call show_bits() with invalid bits
-- avcodec/faxcompr: Add missing runs check in decode_uncompressed()
-- libavutil/channel_layout: Check strtol*() for failure
-- avformat/mpegts: Only start probing data streams within probe_packets
-- avcodec/hevc_ps: Check chroma_format_idc
-- avcodec/ffv1dec: Check for 0 quant tables
-- avcodec/mjpegdec: Reinitialize IDCT on BPP changes
-- avcodec/mjpegdec: Check index in ljpeg_decode_yuv_scan() before using it
-- avutil/file_open: avoid file handle inheritance on Windows
-- avcodec/h264_slice: Disable slice threads if there are multiple access units in a packet
-- avformat/hls: update cookies on setcookie response
-- opusdec: Don't run vector_fmul_scalar on zero length arrays
-- avcodec/opusdec: Fix extra samples read index
-- avcodec/ffv1: Initialize vlc_state on allocation
-- avcodec/ffv1dec: update progress in case of broken pointer chains
-- avcodec/ffv1dec: Clear slice coordinates if they are invalid or slice header decoding fails for other reasons
-- rtsp: Allow $ as interleaved packet indicator before a complete response header
-- videodsp: don't overread edges in vfix3 emu_edge.
-- avformat/mp3dec: improve junk skipping heuristic
-- concatdec: fix file_start_time calculation regression
-- avcodec: loongson optimize h264dsp idct and loop filter with mmi
-- avcodec/jpeg2000dec: Clear properties in jpeg2000_dec_cleanup() too
-- avformat/hls: add support for EXT-X-MAP
-- avformat/hls: fix segment selection regression on track changes of live streams
-- configure: Require libkvazaar < 0.7.
-- avcodec/vp8: Do not use num_coeff_partitions in thread/buffer setup
-
-
-version 2.8.1:
-- swscale: fix ticket #4881
-- doc: fix spelling errors
-- hls: only seek if there is an offset
-- asfdec: add more checks for size left in asf packet buffer
-- asfdec: alloc enough space for storing name in asf_read_metadata_obj
-- avcodec/pngdec: Check blend_op.
-- h264_mp4toannexb: fix pps offfset fault when there are more than one sps in avcc
-- avcodec/h264_mp4toannexb_bsf: Use av_freep() to free spspps_buf
-- avformat/avidec: Workaround broken initial frame
-- avformat/hls: fix some cases of HLS streams which require cookies
-- avcodec/pngdec: reset has_trns after every decode_frame_png()
-- lavf/img2dec: Fix memory leak
-- avcodec/mp3: fix skipping zeros
-- avformat/srtdec: make sure we probe a number
-- configure: check for ID3D11VideoContext
-- avformat/vobsub: compare correct packet stream IDs
-- avformat/srtdec: more lenient first line probing
-- avformat/srtdec: fix number check for the first character
-- avcodec/mips: build fix for MSA 64bit
-- avcodec/mips: build fix for MSA
-- avformat/httpauth: Add space after commas in HTTP/RTSP auth header
-- libavformat/hlsenc: Use of uninitialized memory unlinking old files
-- avcodec/x86/sbrdsp: Fix using uninitialized upper 32bit of noise
-- avcodec/ffv1dec: Fix off by 1 error in quant_table_count check
-- avcodec/ffv1dec: Explicitly check read_quant_table() return value
-- dnxhddata: correct weight tables
-- dnxhddec: decode and use interlace mb flag
-- swscale: fix ticket #4877
-- avcodec/rangecoder: Check e
-- avcodec/ffv1: separate slice_count from max_slice_count
-- swscale: fix ticket 4850
-- cmdutils: Filter dst/srcw/h
-- avutil/log: fix zero length gnu_printf format string warning
-- lavf/webvttenc: Require webvtt file to contain exactly one WebVTT stream.
-- swscale/swscale: Fix "unused variable" warning
-- avcodec/mjpegdec: Fix decoding RGBA RCT LJPEG
-- MAINTAINERS: add 2.8, drop 2.2
-- doc: mention libavcodec can decode Opus natively
-- hevc: properly handle no_rasl_output_flag when removing pictures from the DPB
-- avfilter/af_ladspa: process all channels for nb_handles > 1
-- configure: add libsoxr to swresample's pkgconfig
-- lavc: Fix compilation with --disable-everything --enable-parser=mpeg4video.
-
-version 2.8:
+version <next>:
 - colorkey video filter
 - BFSTM/BCSTM demuxer
 - little-endian ADPCM_THP decoder

MAINTAINERS

@@ -56,7 +56,7 @@ Communication
 website                                 Deby Barbara Lepage
 fate.ffmpeg.org                         Timothy Gu
 Trac bug tracker                        Alexander Strasser, Michael Niedermayer, Carl Eugen Hoyos, Lou Logan
-mailing lists                           Baptiste Coudurier, Lou Logan
+mailing lists                           Michael Niedermayer, Baptiste Coudurier, Lou Logan
 Google+                                 Paul B Mahol, Michael Niedermayer, Alexander Strasser
 Twitter                                 Lou Logan, Reynaldo H. Verdejo Pinochet
 Launchpad                               Timothy Gu
@@ -166,7 +166,7 @@ Codecs:
   dca.c                                 Kostya Shishkov, Benjamin Larsson
   dnxhd*                                Baptiste Coudurier
   dpcm.c                                Mike Melanson
-  dss_sp.c                              Oleksij Rempel
+  dss_sp.c                              Oleksij Rempel, Michael Niedermayer
   dv.c                                  Roman Shaposhnik
   dvbsubdec.c                           Anshul Maheshwari
   dxa.c                                 Kostya Shishkov
@@ -419,7 +419,7 @@ Muxers/Demuxers:
   cdxl.c                                Paul B Mahol
   crc.c                                 Michael Niedermayer
   daud.c                                Reimar Doeffinger
-  dss.c                                 Oleksij Rempel
+  dss.c                                 Oleksij Rempel, Michael Niedermayer
   dtshddec.c                            Paul B Mahol
   dv.c                                  Roman Shaposhnik
   dxa.c                                 Kostya Shishkov
@@ -455,7 +455,7 @@ Muxers/Demuxers:
   mgsts.c                               Paul B Mahol
   microdvd*                             Aurelien Jacobs
   mm.c                                  Peter Ross
-  mov.c                                 Baptiste Coudurier
+  mov.c                                 Michael Niedermayer, Baptiste Coudurier
   movenc.c                              Baptiste Coudurier, Matthieu Bouron
   mpc.c                                 Kostya Shishkov
   mpeg.c                                Michael Niedermayer
@@ -558,17 +558,17 @@ Windows MSVC                            Matthew Oliver, Hendrik Leppkes
 Windows ICL                             Matthew Oliver
 ADI/Blackfin DSP                        Marc Hoffman
 Sparc                                   Roman Shaposhnik
-OS/2                                    KO Myung-Hun
+x86                                     Michael Niedermayer
 
 
 Releases
 ========
 
-2.8                                     Michael Niedermayer
 2.7                                     Michael Niedermayer
 2.6                                     Michael Niedermayer
 2.5                                     Michael Niedermayer
 2.4                                     Michael Niedermayer
+2.2                                     Michael Niedermayer
 
 If you want to maintain an older release, please contact us
 

RELEASE

@@ -1 +1 @@
-2.8.11
+2.7.git

RELEASE_NOTES

@@ -1,15 +0,0 @@
-
-              ┌────────────────────────────────────────┐
-              │ RELEASE NOTES for FFmpeg 2.8 "Feynman" │
-              └────────────────────────────────────────┘
-
-   The FFmpeg Project proudly presents FFmpeg 2.8 "Feynman", about 3
-   months after the release of FFmpeg 2.7.
-
-   A complete Changelog is available at the root of the project, and the
-   complete Git history on http://source.ffmpeg.org.
-
-   We hope you will like this release as much as we enjoyed working on it, and
-   as usual, if you have any questions about it, or any FFmpeg related topic,
-   feel free to join us on the #ffmpeg IRC channel (on irc.freenode.net) or ask
-   on the mailing-lists.

cmdutils.c

@@ -60,9 +60,6 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 #endif
-#if HAVE_SETDLLDIRECTORY
-#include <windows.h>
-#endif
 
 static int init_report(const char *env);
 
@@ -109,15 +106,6 @@ static void log_callback_report(void *ptr, int level, const char *fmt, va_list v
     }
 }
 
-void init_dynload(void)
-{
-#if HAVE_SETDLLDIRECTORY
-    /* Calling SetDllDirectory with the empty string (but not NULL) removes the
-     * current working directory from the DLL search path as a security pre-caution. */
-    SetDllDirectory("");
-#endif
-}
-
 static void (*program_exit)(int ret);
 
 void register_exit(void (*cb)(int ret))
@@ -575,12 +563,6 @@ int opt_default(void *optctx, const char *opt, const char *arg)
         struct SwsContext *sws = sws_alloc_context();
         int ret = av_opt_set(sws, opt, arg, 0);
         sws_freeContext(sws);
-        if (!strcmp(opt, "srcw") || !strcmp(opt, "srch") ||
-            !strcmp(opt, "dstw") || !strcmp(opt, "dsth") ||
-            !strcmp(opt, "src_format") || !strcmp(opt, "dst_format")) {
-            av_log(NULL, AV_LOG_ERROR, "Directly using swscale dimensions/format options is not supported, please use the -s or -pix_fmt options\n");
-            return AVERROR(EINVAL);
-        }
         if (ret < 0) {
             av_log(NULL, AV_LOG_ERROR, "Error setting option %s.\n", opt);
             return ret;
@@ -2075,7 +2057,7 @@ static int print_device_sources(AVInputFormat *fmt, AVDictionary *opts)
     if (!fmt || !fmt->priv_class  || !AV_IS_INPUT_DEVICE(fmt->priv_class->category))
         return AVERROR(EINVAL);
 
-    printf("Auto-detected sources for %s:\n", fmt->name);
+    printf("Audo-detected sources for %s:\n", fmt->name);
     if (!fmt->get_device_list) {
         ret = AVERROR(ENOSYS);
         printf("Cannot list sources. Not implemented.\n");
@@ -2105,7 +2087,7 @@ static int print_device_sinks(AVOutputFormat *fmt, AVDictionary *opts)
     if (!fmt || !fmt->priv_class  || !AV_IS_OUTPUT_DEVICE(fmt->priv_class->category))
         return AVERROR(EINVAL);
 
-    printf("Auto-detected sinks for %s:\n", fmt->name);
+    printf("Audo-detected sinks for %s:\n", fmt->name);
     if (!fmt->get_device_list) {
         ret = AVERROR(ENOSYS);
         printf("Cannot list sinks. Not implemented.\n");

cmdutils.h

@@ -61,11 +61,6 @@ void register_exit(void (*cb)(int ret));
  */
 void exit_program(int ret) av_noreturn;
 
-/**
- * Initialize dynamic library loading
- */
-void init_dynload(void);
-
 /**
  * Initialize the cmdutils option system, in particular
  * allocate the *_opts contexts.
@@ -450,13 +445,13 @@ int show_devices(void *optctx, const char *opt, const char *arg);
 
 #if CONFIG_AVDEVICE
 /**
- * Print a listing containing autodetected sinks of the output device.
+ * Print a listing containing audodetected sinks of the output device.
  * Device name with options may be passed as an argument to limit results.
  */
 int show_sinks(void *optctx, const char *opt, const char *arg);
 
 /**
- * Print a listing containing autodetected sources of the input device.
+ * Print a listing containing audodetected sources of the input device.
  * Device name with options may be passed as an argument to limit results.
  */
 int show_sources(void *optctx, const char *opt, const char *arg);

configure

@@ -1797,7 +1797,6 @@ SYSTEM_FUNCS="
     sched_getaffinity
     SetConsoleTextAttribute
     SetConsoleCtrlHandler
-    SetDllDirectory
     setmode
     setrlimit
     Sleep
@@ -2375,7 +2374,7 @@ zmbv_encoder_select="zlib"
 
 # hardware accelerators
 crystalhd_deps="libcrystalhd_libcrystalhd_if_h"
-d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder ID3D11VideoContext"
+d3d11va_deps="d3d11_h dxva_h ID3D11VideoDecoder"
 dxva2_deps="dxva2api_h DXVA2_ConfigPictureDecode"
 vaapi_deps="va_va_h"
 vda_deps="VideoDecodeAcceleration_VDADecoder_h pthreads CoreServices_CoreServices_h"
@@ -5103,7 +5102,6 @@ check_func_headers windows.h MapViewOfFile
 check_func_headers windows.h PeekNamedPipe
 check_func_headers windows.h SetConsoleTextAttribute
 check_func_headers windows.h SetConsoleCtrlHandler
-check_func_headers windows.h SetDllDirectory
 check_func_headers windows.h Sleep
 check_func_headers windows.h VirtualAlloc
 check_struct windows.h "CONDITION_VARIABLE" Ptr
@@ -5149,7 +5147,6 @@ check_struct "sys/time.h sys/resource.h" "struct rusage" ru_maxrss
 
 check_type "windows.h dxva.h" "DXVA_PicParams_HEVC" -DWINAPI_FAMILY=WINAPI_FAMILY_DESKTOP_APP -D_CRT_BUILD_DESKTOP_APP=0
 check_type "windows.h d3d11.h" "ID3D11VideoDecoder"
-check_type "windows.h d3d11.h" "ID3D11VideoContext"
 check_type "d3d9.h dxva2api.h" DXVA2_ConfigPictureDecode -D_WIN32_WINNT=0x0602
 
 check_type "va/va.h" "VAPictureParameterBufferHEVC"
@@ -5242,7 +5239,7 @@ enabled libgsm            && { for gsm_hdr in "gsm.h" "gsm/gsm.h"; do
                                    check_lib "${gsm_hdr}" gsm_create -lgsm && break;
                                done || die "ERROR: libgsm not found"; }
 enabled libilbc           && require libilbc ilbc.h WebRtcIlbcfix_InitDecode -lilbc
-enabled libkvazaar        && require_pkg_config "kvazaar < 0.7.0" kvazaar.h kvz_api_get
+enabled libkvazaar        && require_pkg_config kvazaar kvazaar.h kvz_api_get
 enabled libmfx            && require_pkg_config libmfx "mfx/mfxvideo.h" MFXInit
 enabled libmodplug        && require_pkg_config libmodplug libmodplug/modplug.h ModPlug_Load
 enabled libmp3lame        && require "libmp3lame >= 3.98.3" lame/lame.h lame_set_VBR_quality -lmp3lame
@@ -5264,7 +5261,7 @@ enabled libshine          && require_pkg_config shine shine/layer3.h shine_encod
 enabled libsmbclient      && { use_pkg_config smbclient libsmbclient.h smbc_init ||
                                require smbclient libsmbclient.h smbc_init -lsmbclient; }
 enabled libsnappy         && require snappy snappy-c.h snappy_compress -lsnappy
-enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr && LIBSOXR="-lsoxr"
+enabled libsoxr           && require libsoxr soxr.h soxr_create -lsoxr
 enabled libssh            && require_pkg_config libssh libssh/sftp.h sftp_init
 enabled libspeex          && require_pkg_config speex speex/speex.h speex_decoder_init -lspeex
 enabled libstagefright_h264 && require_cpp libstagefright_h264 "binder/ProcessState.h media/stagefright/MetaData.h
@@ -5737,7 +5734,6 @@ __declspec($_restrict) void* foo(int);
 EOF
     fi
     check_func strtoll || add_cflags -Dstrtoll=_strtoi64
-    check_func strtoull || add_cflags -Dstrtoull=_strtoui64
 fi
 
 for pfx in "" host_; do
@@ -6144,7 +6140,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2017
+#define CONFIG_THIS_YEAR 2015
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
@@ -6268,4 +6264,4 @@ pkgconfig_generate libavfilter   "FFmpeg audio/video filtering library" "$LIBAVF
 pkgconfig_generate libpostproc   "FFmpeg postprocessing library"        "$LIBPOSTPROC_VERSION"   ""
 pkgconfig_generate libavresample "Libav audio resampling library"       "$LIBAVRESAMPLE_VERSION" "$LIBM"
 pkgconfig_generate libswscale    "FFmpeg image rescaling library"       "$LIBSWSCALE_VERSION"    "$LIBM"
-pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM $LIBSOXR"
+pkgconfig_generate libswresample "FFmpeg audio resampling library"      "$LIBSWRESAMPLE_VERSION" "$LIBM"

doc/APIchanges

@@ -15,29 +15,27 @@ libavutil:     2014-08-09
 
 API changes, most recent first:
 
--------- 8< --------- FFmpeg 2.8 was cut here -------- 8< ---------
-
-2015-08-27 - 1dd854e1 - lavc 56.58.100 - vaapi.h
+2015-xx-xx - lavc 56.58.100 - vaapi.h
   Deprecate old VA-API context (vaapi_context) fields that were only
   set and used by libavcodec. They are all managed internally now.
 
-2015-08-19 - 9f8e57ef - lavu 54.31.100 - pixfmt.h
+2015-xx-xx - lavu 54.31.100 - pixfmt.h
   Add a unique pixel format for VA-API (AV_PIX_FMT_VAAPI) that
   indicates the nature of the underlying storage: a VA surface. This
   yields the same value as AV_PIX_FMT_VAAPI_VLD.
   Deprecate old VA-API related pixel formats: AV_PIX_FMT_VAAPI_MOCO,
   AV_PIX_FMT_VAAPI_IDCT, AV_PIX_FMT_VAAPI_VLD.
 
-2015-08-02 - lavu 54.30.100 / 54.17.0
-  9ed59f1 / 7a7df34c -  Add av_blowfish_alloc().
-  a130ec9 / ae365453 -  Add av_rc4_alloc().
-  9ca1997 / 5d8bea3b -  Add av_xtea_alloc().
-  3cf08e9 / d9e8b47e -  Add av_des_alloc().
+2015-xx-xx - lavu 54.30.0
+  xxxxxxx -  Add av_blowfish_alloc().
+  xxxxxxx -  Add av_rc4_alloc().
+  xxxxxxx -  Add av_xtea_alloc().
+  xxxxxxx -  Add av_des_alloc().
 
-2015-07-27 - lavc 56.56.100 / 56.35.0 - avcodec.h
-  94d68a4 / 7c6eb0a1 - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*.
-  444e987 / def97856 - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*.
-  29d147c / 059a9348 - Rename FF_INPUT_BUFFER_PADDING_SIZE and FF_MIN_BUFFER_SIZE
+2015-xx-xx - lavc 56.35.0 - avcodec.h
+  xxxxxxxxx - Rename CODEC_FLAG* defines to AV_CODEC_FLAG*.
+  xxxxxxxxx - Rename CODEC_CAP_* defines to AV_CODEC_CAP_*.
+  xxxxxxxxx - Rename FF_INPUT_BUFFER_PADDING_SIZE and FF_MIN_BUFFER_SIZE
               to AV_INPUT_BUFFER_PADDING_SIZE and AV_INPUT_BUFFER_MIN_SIZE.
 
 2015-07-22 - c40ecff - lavc 56.51.100 - avcodec.h

doc/Doxyfile

@@ -31,7 +31,7 @@ PROJECT_NAME           = FFmpeg
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.8.11
+PROJECT_NUMBER         =
 
 # With the PROJECT_LOGO tag one can specify a logo or icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55

doc/demuxers.texi

@@ -104,7 +104,7 @@ All subsequent file-related directives apply to that file.
 
 @item @code{ffconcat version 1.0}
 Identify the script type and version. It also sets the @option{safe} option
-to 1 if it was -1.
+to 1 if it was to its default -1.
 
 To make FFmpeg recognize the format automatically, this directive must
 appears exactly as is (no extra space or byte-order-mark) on the very first
@@ -192,9 +192,7 @@ component.
 
 If set to 0, any file name is accepted.
 
-The default is 1.
-
--1 is equivalent to 1 if the format was automatically
+The default is -1, it is equivalent to 1 if the format was automatically
 probed and 0 otherwise.
 
 @item auto_convert
@@ -418,23 +416,6 @@ ffmpeg -framerate 10 -pattern_type glob -i "*.png" out.mkv
 @end example
 @end itemize
 
-@section mov/mp4/3gp/Quicktme
-
-Quicktime / MP4 demuxer.
-
-This demuxer accepts the following options:
-@table @option
-@item enable_drefs
-Enable loading of external tracks, disabled by default.
-Enabling this can theoretically leak information in some use cases.
-
-@item use_absolute_path
-Allows loading of external tracks via absolute paths, disabled by default.
-Enabling this poses a security risk. It should only be enabled if the source
-is known to be non malicious.
-
-@end table
-
 @section mpegts
 
 MPEG-2 transport stream demuxer.

doc/developer.texi

@@ -400,35 +400,6 @@ finding a new maintainer and also don't forget updating the @file{MAINTAINERS} f
 
 We think our rules are not too hard. If you have comments, contact us.
 
-@section Code of conduct
-
-Be friendly and respectful towards others and third parties.
-Treat others the way you yourself want to be treated.
-
-Be considerate. Not everyone shares the same viewpoint and priorities as you do.
-Different opinions and interpretations help the project.
-Looking at issues from a different perspective assists development.
-
-Do not assume malice for things that can be attributed to incompetence. Even if
-it is malice, it's rarely good to start with that as initial assumption.
-
-Stay friendly even if someone acts contrarily. Everyone has a bad day
-once in a while.
-If you yourself have a bad day or are angry then try to take a break and reply
-once you are calm and without anger if you have to.
-
-Try to help other team members and cooperate if you can.
-
-The goal of software development is to create technical excellence, not for any
-individual to be better and "win" against the others. Large software projects
-are only possible and successful through teamwork.
-
-If someone struggles do not put them down. Give them a helping hand
-instead and point them in the right direction.
-
-Finally, keep in mind the immortal words of Bill and Ted,
-"Be excellent to each other."
-
 @anchor{Submitting patches}
 @section Submitting patches
 

doc/encoders.texi

@@ -1353,7 +1353,7 @@ can be selected with @code{-pred 1}.
 @table @option
 @item format
 Can be set to either @code{j2k} or @code{jp2} (the default) that
-makes it possible to store non-rgb pix_fmts.
+allows to store non-rgb pix_fmts.
 
 @end table
 

doc/ffmpeg.texi

@@ -12,7 +12,7 @@
 
 @chapter Synopsis
 
-ffmpeg [@var{global_options}] @{[@var{input_file_options}] -i @file{input_url}@} ... @{[@var{output_file_options}] @file{output_url}@} ...
+ffmpeg [@var{global_options}] @{[@var{input_file_options}] -i @file{input_file}@} ... @{[@var{output_file_options}] @file{output_file}@} ...
 
 @chapter Description
 @c man begin DESCRIPTION
@@ -24,10 +24,10 @@ rates and resize video on the fly with a high quality polyphase filter.
 @command{ffmpeg} reads from an arbitrary number of input "files" (which can be regular
 files, pipes, network streams, grabbing devices, etc.), specified by the
 @code{-i} option, and writes to an arbitrary number of output "files", which are
-specified by a plain output url. Anything found on the command line which
-cannot be interpreted as an option is considered to be an output url.
+specified by a plain output filename. Anything found on the command line which
+cannot be interpreted as an option is considered to be an output filename.
 
-Each input or output url can, in principle, contain any number of streams of
+Each input or output file can, in principle, contain any number of streams of
 different types (video/audio/subtitle/attachment/data). The allowed number and/or
 types of streams may be limited by the container format. Selecting which
 streams from which inputs will go into which output is either done automatically
@@ -243,8 +243,8 @@ Force input or output file format. The format is normally auto detected for inpu
 files and guessed from the file extension for output files, so this option is not
 needed in most cases.
 
-@item -i @var{url} (@emph{input})
-input file url
+@item -i @var{filename} (@emph{input})
+input file name
 
 @item -y (@emph{global})
 Overwrite output files without asking.
@@ -277,7 +277,7 @@ libx264, and the 138th audio, which will be encoded with libvorbis.
 When used as an input option (before @code{-i}), limit the @var{duration} of
 data read from the input file.
 
-When used as an output option (before an output url), stop writing the
+When used as an output option (before an output filename), stop writing the
 output after its duration reaches @var{duration}.
 
 @var{duration} must be a time duration specification,
@@ -304,7 +304,7 @@ extra segment between the seek point and @var{position} will be decoded and
 discarded. When doing stream copy or when @option{-noaccurate_seek} is used, it
 will be preserved.
 
-When used as an output option (before an output url), decodes but discards
+When used as an output option (before an output filename), decodes but discards
 input until the timestamps reach @var{position}.
 
 @var{position} must be a time duration specification,
@@ -1094,7 +1094,7 @@ may be reassigned to a different value.
 For example, to set the stream 0 PID to 33 and the stream 1 PID to 36 for
 an output mpegts file:
 @example
-ffmpeg -i inurl -streamid 0:33 -streamid 1:36 out.ts
+ffmpeg -i infile -streamid 0:33 -streamid 1:36 out.ts
 @end example
 
 @item -bsf[:@var{stream_specifier}] @var{bitstream_filters} (@emph{output,per-stream})
@@ -1205,9 +1205,9 @@ The option is intended for cases where features are needed that cannot be
 specified to @command{ffserver} but can be to @command{ffmpeg}.
 
 @item -sdp_file @var{file} (@emph{global})
-Print sdp information for an output stream to @var{file}.
+Print sdp information to @var{file}.
 This allows dumping sdp information when at least one output isn't an
-rtp stream. (Requires at least one of the output formats to be rtp).
+rtp stream.
 
 @item -discard (@emph{input})
 Allows discarding specific streams or frames of streams at the demuxer.

doc/ffplay.texi

@@ -12,7 +12,7 @@
 
 @chapter Synopsis
 
-ffplay [@var{options}] [@file{input_url}]
+ffplay [@var{options}] [@file{input_file}]
 
 @chapter Description
 @c man begin DESCRIPTION
@@ -106,8 +106,8 @@ the input audio.
 Use the option "-filters" to show all the available filters (including
 sources and sinks).
 
-@item -i @var{input_url}
-Read @var{input_url}.
+@item -i @var{input_file}
+Read @var{input_file}.
 @end table
 
 @section Advanced options

doc/ffprobe.texi

@@ -12,7 +12,7 @@
 
 @chapter Synopsis
 
-ffprobe [@var{options}] [@file{input_url}]
+ffprobe [@var{options}] [@file{input_file}]
 
 @chapter Description
 @c man begin DESCRIPTION
@@ -24,8 +24,8 @@ For example it can be used to check the format of the container used
 by a multimedia stream and the format and type of each media stream
 contained in it.
 
-If a url is specified in input, ffprobe will try to open and
-probe the url content. If the url cannot be opened or recognized as
+If a filename is specified in input, ffprobe will try to open and
+probe the file content. If the file cannot be opened or recognized as
 a multimedia file, a positive exit code is returned.
 
 ffprobe may be employed both as a standalone application or in
@@ -332,8 +332,8 @@ with name "PIXEL_FORMAT".
 Force bitexact output, useful to produce output which is not dependent
 on the specific build.
 
-@item -i @var{input_url}
-Read @var{input_url}.
+@item -i @var{input_file}
+Read @var{input_file}.
 
 @end table
 @c man end

doc/filters.texi

@@ -1032,7 +1032,7 @@ Number_of_samples
 For example full key look like this @code{lavfi.astats.1.DC_offset} or
 this @code{lavfi.astats.Overall.Peak_count}.
 
-For description what each key means read below.
+For description what each key means read bellow.
 
 @item reset
 Set number of frame after which stats are going to be recalculated.
@@ -2199,7 +2199,7 @@ Amount of milliseconds the signal has to rise above the threshold before gain
 reduction starts. Default is 20. Range is between 0.01 and 2000.
 
 @item release
-Amount of milliseconds the signal has to fall below the threshold before
+Amount of milliseconds the signal has to fall bellow the threshold before
 reduction is decreased again. Default is 250. Range is between 0.01 and 9000.
 
 @item makeup
@@ -4118,7 +4118,7 @@ It accepts the following options:
 @item threshold1
 @item threshold2
 @item threshold3
-Limit the maximum change for each plane, default is 65535.
+Allows to limit the maximum change for each plane, default is 65535.
 If 0, plane will remain unchanged.
 @end table
 
@@ -4321,7 +4321,7 @@ It accepts the following options:
 @item threshold1
 @item threshold2
 @item threshold3
-Limit the maximum change for each plane, default is 65535.
+Allows to limit the maximum change for each plane, default is 65535.
 If 0, plane will remain unchanged.
 
 @item coordinates
@@ -4967,7 +4967,7 @@ within the parameter list.
 @item
 Show the text at the center of the video frame:
 @example
-drawtext="fontsize=30:fontfile=FreeSerif.ttf:text='hello world':x=(w-text_w)/2:y=(h-text_h)/2"
+drawtext="fontsize=30:fontfile=FreeSerif.ttf:text='hello world':x=(w-text_w)/2:y=(h-text_h-line_h)/2"
 @end example
 
 @item
@@ -5206,7 +5206,7 @@ It accepts the following options:
 @item threshold1
 @item threshold2
 @item threshold3
-Limit the maximum change for each plane, default is 65535.
+Allows to limit the maximum change for each plane, default is 65535.
 If 0, plane will remain unchanged.
 
 @item coordinates
@@ -6900,7 +6900,7 @@ It accepts the following options:
 @item threshold1
 @item threshold2
 @item threshold3
-Limit the maximum change for each plane, default is 65535.
+Allows to limit the maximum change for each plane, default is 65535.
 If 0, plane will remain unchanged.
 @end table
 
@@ -9881,7 +9881,7 @@ stereo3d=sbsl:aybd
 @end example
 
 @item
-Convert input video from above below (left eye above, right eye below) to side by side crosseye.
+Convert input video from above bellow (left eye above, right eye below) to side by side crosseye.
 @example
 stereo3d=abl:sbsr
 @end example

doc/formats.texi

@@ -205,10 +205,6 @@ For example to separate the fields with newlines and indention:
 ffprobe -dump_separator "
                           "  -i ~/videos/matrixbench_mpeg2.mpg
 @end example
-
-@item max_streams @var{integer} (@emph{input})
-Specifies the maximum number of streams. This can be used to reject files that
-would require too many resources due to a large number of streams.
 @end table
 
 @c man end FORMAT OPTIONS

doc/general.texi

@@ -983,8 +983,8 @@ following image formats are supported:
 @item Musepack SV8           @tab     @tab  X
 @item Nellymoser Asao        @tab  X  @tab  X
 @item On2 AVC (Audio for Video Codec) @tab     @tab  X
-@item Opus                   @tab  E  @tab  X
-    @tab encoding supported through external library libopus
+@item Opus                   @tab  E  @tab  E
+    @tab supported through external library libopus
 @item PCM A-law              @tab  X  @tab  X
 @item PCM mu-law             @tab  X  @tab  X
 @item PCM signed 8-bit planar  @tab  X  @tab  X

doc/muxers.texi

@@ -839,21 +839,6 @@ ffmpeg -i file.mpg -c copy \
      -y out.ts
 @end example
 
-@section mxf, mxf_d10
-
-MXF muxer.
-
-@subsection Options
-
-The muxer options are:
-
-@table @option
-@item store_user_comments @var{bool}
-Set if user comments should be stored if available or never.
-IRT D-10 does not allow user comments. The default is thus to write them for
-mxf but not for mxf_d10
-@end table
-
 @section null
 
 Null muxer.

doc/utils.texi

@@ -869,7 +869,7 @@ Return 1 if @var{x} is lesser than or equal to @var{y}, 0 otherwise.
 Return the maximum between @var{x} and @var{y}.
 
 @item min(x, y)
-Return the minimum between @var{x} and @var{y}.
+Return the maximum between @var{x} and @var{y}.
 
 @item mod(x, y)
 Compute the remainder of division of @var{x} by @var{y}.

ffmpeg.c

@@ -2447,9 +2447,6 @@ static void print_sdp(void)
         }
     }
 
-    if (!j)
-        goto fail;
-
     av_sdp_create(avc, j, sdp, sizeof(sdp));
 
     if (!sdp_filename) {
@@ -2465,7 +2462,6 @@ static void print_sdp(void)
         }
     }
 
-fail:
     av_freep(&avc);
 }
 
@@ -2882,8 +2878,7 @@ static int transcode_init(void)
              * overhead
              */
             if(!strcmp(oc->oformat->name, "avi")) {
-                if ( copy_tb<0 && ist->st->r_frame_rate.num
-                               && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
+                if ( copy_tb<0 && av_q2d(ist->st->r_frame_rate) >= av_q2d(ist->st->avg_frame_rate)
                                && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(ist->st->time_base)
                                && 0.5/av_q2d(ist->st->r_frame_rate) > av_q2d(dec_ctx->time_base)
                                && av_q2d(ist->st->time_base) < 1.0/500 && av_q2d(dec_ctx->time_base) < 1.0/500
@@ -4118,8 +4113,6 @@ int main(int argc, char **argv)
     int ret;
     int64_t ti;
 
-    init_dynload();
-
     register_exit(ffmpeg_cleanup);
 
     setvbuf(stderr,NULL,_IONBF,0); /* win32 runtime needs this */

ffmpeg_opt.c

@@ -2883,8 +2883,8 @@ enum OptGroup {
 };
 
 static const OptionGroupDef groups[] = {
-    [GROUP_OUTFILE] = { "output url",  NULL, OPT_OUTPUT },
-    [GROUP_INFILE]  = { "input url",   "i",  OPT_INPUT },
+    [GROUP_OUTFILE] = { "output file",  NULL, OPT_OUTPUT },
+    [GROUP_INFILE]  = { "input file",   "i",  OPT_INPUT },
 };
 
 static int open_files(OptionGroupList *l, const char *inout,

ffplay.c

@@ -2869,7 +2869,7 @@ static int read_thread(void *arg)
         AVStream *st = ic->streams[i];
         enum AVMediaType type = st->codec->codec_type;
         st->discard = AVDISCARD_ALL;
-        if (type >= 0 && wanted_stream_spec[type] && st_index[type] == -1)
+        if (wanted_stream_spec[type] && st_index[type] == -1)
             if (avformat_match_stream_specifier(ic, st, wanted_stream_spec[type]) > 0)
                 st_index[type] = i;
     }
@@ -3684,8 +3684,6 @@ int main(int argc, char **argv)
     VideoState *is;
     char dummy_videodriver[] = "SDL_VIDEODRIVER=dummy";
 
-    init_dynload();
-
     av_log_set_flags(AV_LOG_SKIP_REPEATED);
     parse_loglevel(argc, argv, options);
 

ffprobe.c

@@ -3142,8 +3142,6 @@ int main(int argc, char **argv)
     char *w_name = NULL, *w_args = NULL;
     int ret, i;
 
-    init_dynload();
-
     av_log_set_flags(AV_LOG_SKIP_REPEATED);
     register_exit(ffprobe_cleanup);
 

ffserver.c

@@ -2580,10 +2580,8 @@ static int http_receive_data(HTTPContext *c)
         } else if (c->buffer_ptr - c->buffer >= 2 &&
                    !memcmp(c->buffer_ptr - 1, "\r\n", 2)) {
             c->chunk_size = strtol(c->buffer, 0, 16);
-            if (c->chunk_size <= 0) { // end of stream or invalid chunk size
-                c->chunk_size = 0;
+            if (c->chunk_size == 0) // end of stream
                 goto fail;
-            }
             c->buffer_ptr = c->buffer;
             break;
         } else if (++loop_run > 10)
@@ -2605,7 +2603,6 @@ static int http_receive_data(HTTPContext *c)
             /* end of connection : close it */
             goto fail;
         else {
-            av_assert0(len <= c->chunk_size);
             c->chunk_size -= len;
             c->buffer_ptr += len;
             c->data_count += len;
@@ -3820,8 +3817,6 @@ int main(int argc, char **argv)
     struct sigaction sigact = { { 0 } };
     int ret = 0;
 
-    init_dynload();
-
     config.filename = av_strdup("/etc/ffserver.conf");
 
     parse_loglevel(argc, argv, options);

libavcodec/8bps.c

@@ -120,15 +120,12 @@ static int decode_frame(AVCodecContext *avctx, void *data,
     }
 
     if (avctx->bits_per_coded_sample <= 8) {
-        int size;
         const uint8_t *pal = av_packet_get_side_data(avpkt,
                                                      AV_PKT_DATA_PALETTE,
-                                                     &size);
-        if (pal && size == AVPALETTE_SIZE) {
+                                                     NULL);
+        if (pal) {
             frame->palette_has_changed = 1;
             memcpy(c->pal, pal, AVPALETTE_SIZE);
-        } else if (pal) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
         }
 
         memcpy (frame->data[1], c->pal, AVPALETTE_SIZE);

libavcodec/Makefile

@@ -861,7 +861,7 @@ OBJS-$(CONFIG_MJPEG_PARSER)            += mjpeg_parser.o
 OBJS-$(CONFIG_MLP_PARSER)              += mlp_parser.o mlp.o
 OBJS-$(CONFIG_MPEG4VIDEO_PARSER)       += mpeg4video_parser.o h263.o \
                                           mpeg4videodec.o mpeg4video.o \
-                                          ituh263dec.o h263dec.o h263data.o
+                                          ituh263dec.o h263dec.o
 OBJS-$(CONFIG_PNG_PARSER)              += png_parser.o
 OBJS-$(CONFIG_MPEGAUDIO_PARSER)        += mpegaudio_parser.o \
                                           mpegaudiodecheader.o mpegaudiodata.o

libavcodec/aaccoder.c

@@ -499,7 +499,7 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
     }
     while (idx) {
         sce->sf_idx[bandaddr[idx]] = minq + q0;
-        minq = FFMAX(paths[idx][minq].prev, 0);
+        minq = paths[idx][minq].prev;
         idx--;
     }
     //set the same quantizers inside window groups

libavcodec/aacdec_template.c

@@ -449,10 +449,6 @@ static int output_configure(AACContext *ac,
         int type =         layout_map[i][0];
         int id =           layout_map[i][1];
         id_map[type][id] = type_counts[type]++;
-        if (id_map[type][id] >= MAX_ELEM_ID) {
-            avpriv_request_sample(ac->avctx, "Remapped id too large\n");
-            return AVERROR_PATCHWELCOME;
-        }
     }
     // Try to sniff a reasonable channel order, otherwise output the
     // channels in the order the PCE declared them.
@@ -2893,11 +2889,6 @@ static int aac_decode_er_frame(AVCodecContext *avctx, void *data,
 
     spectral_to_sample(ac, samples);
 
-    if (!ac->frame->data[0] && samples) {
-        av_log(avctx, AV_LOG_ERROR, "no frame data found\n");
-        return AVERROR_INVALIDDATA;
-    }
-
     ac->frame->nb_samples = samples;
     ac->frame->sample_rate = avctx->sample_rate;
     *got_frame_ptr = 1;

libavcodec/aacenc.c

@@ -493,7 +493,6 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
     int ms_mode = 0, is_mode = 0, tns_mode = 0, pred_mode = 0;
     int chan_el_counter[4];
     FFPsyWindowInfo windows[AAC_MAX_CHANNELS];
-    int k;
 
     if (s->last_frame == 2)
         return 0;
@@ -548,7 +547,6 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
             ics->num_windows        = wi[ch].num_windows;
             ics->swb_sizes          = s->psy.bands    [ics->num_windows == 8];
             ics->num_swb            = tag == TYPE_LFE ? ics->num_swb : s->psy.num_bands[ics->num_windows == 8];
-            ics->max_sfb            = FFMIN(ics->max_sfb, ics->num_swb);
             ics->swb_offset         = wi[ch].window_type[0] == EIGHT_SHORT_SEQUENCE ?
                                         ff_swb_offset_128 [s->samplerate_index]:
                                         ff_swb_offset_1024[s->samplerate_index];
@@ -573,12 +571,9 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
             }
 
             apply_window_and_mdct(s, &cpe->ch[ch], overlap);
-
-            for (k = 0; k < 1024; k++) {
-                if (!(fabs(cpe->ch[ch].coeffs[k]) < 1E16)) { // Ensure headroom for energy calculation
-                    av_log(avctx, AV_LOG_ERROR, "Input contains (near) NaN/+-Inf\n");
-                    return AVERROR(EINVAL);
-                }
+            if (isnan(cpe->ch->coeffs[0])) {
+                av_log(avctx, AV_LOG_ERROR, "Input contains NaN\n");
+                return AVERROR(EINVAL);
             }
             avoid_clipping(s, &cpe->ch[ch]);
         }

libavcodec/aacps.c

@@ -940,7 +940,7 @@ static void stereo_processing(PSContext *ps, INTFLOAT (*l)[32][2], INTFLOAT (*r)
             LOCAL_ALIGNED_16(INTFLOAT, h_step, [2], [4]);
             int start = ps->border_position[e];
             int stop  = ps->border_position[e+1];
-            INTFLOAT width = Q30(1.f) / ((stop - start) ? (stop - start) : 1);
+            INTFLOAT width = Q30(1.f) / (stop - start);
 #if USE_FIXED
             width <<= 1;
 #endif

libavcodec/aacsbr_fixed.c

@@ -169,10 +169,6 @@ static void sbr_dequant(SpectralBandReplication *sbr, int id_aac)
                 else
                   temp1.mant = 0x20000000;
                 temp1.exp = (temp1.exp >> 1) + 1;
-                if (temp1.exp > 66) { // temp1 > 1E20
-                    av_log(NULL, AV_LOG_ERROR, "envelope scalefactor overflow in dequant\n");
-                    temp1 = FLOAT_1;
-                }
 
                 temp2.exp = (pan_offset - sbr->data[1].env_facs[e][k].mant) * alpha;
                 if (temp2.exp & 1)
@@ -192,10 +188,6 @@ static void sbr_dequant(SpectralBandReplication *sbr, int id_aac)
                 temp1.exp = NOISE_FLOOR_OFFSET - \
                     sbr->data[0].noise_facs[e][k].mant + 2;
                 temp1.mant = 0x20000000;
-                if (temp1.exp > 66) { // temp1 > 1E20
-                    av_log(NULL, AV_LOG_ERROR, "envelope scalefactor overflow in dequant\n");
-                    temp1 = FLOAT_1;
-                }
                 temp2.exp = 12 - sbr->data[1].noise_facs[e][k].mant + 1;
                 temp2.mant = 0x20000000;
                 fac   = av_div_sf(temp1, av_add_sf(FLOAT_1, temp2));
@@ -216,10 +208,7 @@ static void sbr_dequant(SpectralBandReplication *sbr, int id_aac)
                     else
                         temp1.mant = 0x20000000;
                     temp1.exp = (temp1.exp >> 1) + 1;
-                    if (temp1.exp > 66) { // temp1 > 1E20
-                        av_log(NULL, AV_LOG_ERROR, "envelope scalefactor overflow in dequant\n");
-                        temp1 = FLOAT_1;
-                    }
+
                     sbr->data[ch].env_facs[e][k] = temp1;
                 }
             for (e = 1; e <= sbr->data[ch].bs_num_noise; e++)
@@ -408,8 +397,7 @@ static void sbr_gain_calc(AACContext *ac, SpectralBandReplication *sbr,
         int delta = !((e == e_a[1]) || (e == e_a[0]));
         for (k = 0; k < sbr->n_lim; k++) {
             SoftFloat gain_boost, gain_max;
-            SoftFloat sum[2];
-            sum[0] = sum[1] = FLOAT_0;
+            SoftFloat sum[2] = { { 0, 0}, { 0, 0 } };
             for (m = sbr->f_tablelim[k] - sbr->kx[1]; m < sbr->f_tablelim[k + 1] - sbr->kx[1]; m++) {
                 const SoftFloat temp = av_div_sf(sbr->e_origmapped[e][m],
                                             av_add_sf(FLOAT_1, sbr->q_mapped[e][m]));

libavcodec/aacsbr_template.c

@@ -70,7 +70,6 @@ av_cold void AAC_RENAME(ff_aac_sbr_init)(void)
 /** Places SBR in pure upsampling mode. */
 static void sbr_turnoff(SpectralBandReplication *sbr) {
     sbr->start = 0;
-    sbr->ready_for_dequant = 0;
     // Init defults used in pure upsampling mode
     sbr->kx[1] = 32; //Typo in spec, kx' inits to 32
     sbr->m[1] = 0;
@@ -178,7 +177,6 @@ static unsigned int read_sbr_header(SpectralBandReplication *sbr, GetBitContext
     SpectrumParameters old_spectrum_params;
 
     sbr->start = 1;
-    sbr->ready_for_dequant = 0;
 
     // Save last spectrum parameters variables to compare to new ones
     memcpy(&old_spectrum_params, &sbr->spectrum_params, sizeof(SpectrumParameters));
@@ -718,8 +716,8 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
     }
 
     for (i = 1; i <= ch_data->bs_num_env; i++) {
-        if (ch_data->t_env[i-1] >= ch_data->t_env[i]) {
-            av_log(ac->avctx, AV_LOG_ERROR, "Not strictly monotone time borders\n");
+        if (ch_data->t_env[i-1] > ch_data->t_env[i]) {
+            av_log(ac->avctx, AV_LOG_ERROR, "Non monotone time borders\n");
             return -1;
         }
     }
@@ -1034,7 +1032,6 @@ static unsigned int read_sbr_data(AACContext *ac, SpectralBandReplication *sbr,
     unsigned int cnt = get_bits_count(gb);
 
     sbr->id_aac = id_aac;
-    sbr->ready_for_dequant = 1;
 
     if (id_aac == TYPE_SCE || id_aac == TYPE_CCE) {
         if (read_sbr_single_channel_element(ac, sbr, gb)) {
@@ -1154,9 +1151,6 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
                              INTFLOAT z[320], INTFLOAT W[2][32][32][2], int buf_idx)
 {
     int i;
-#if USE_FIXED
-    int j;
-#endif
     memcpy(x    , x+1024, (320-32)*sizeof(x[0]));
     memcpy(x+288, in,         1024*sizeof(x[0]));
     for (i = 0; i < 32; i++) { // numTimeSlots*RATE = 16*2 as 960 sample frames
@@ -1164,21 +1158,6 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
         dsp->vector_fmul_reverse(z, sbr_qmf_window_ds, x, 320);
         sbrdsp->sum64x5(z);
         sbrdsp->qmf_pre_shuffle(z);
-#if USE_FIXED
-        for (j = 64; j < 128; j++) {
-            if (z[j] > 1<<24) {
-                av_log(NULL, AV_LOG_WARNING,
-                       "sbr_qmf_analysis: value %09d too large, setting to %09d\n",
-                       z[j], 1<<24);
-                z[j] = 1<<24;
-            } else if (z[j] < -(1<<24)) {
-                av_log(NULL, AV_LOG_WARNING,
-                       "sbr_qmf_analysis: value %09d too small, setting to %09d\n",
-                       z[j], -(1<<24));
-                z[j] = -(1<<24);
-            }
-        }
-#endif
         mdct->imdct_half(mdct, z, z+64);
         sbrdsp->qmf_post_shuffle(W[buf_idx][i], z);
         x += 32;
@@ -1433,7 +1412,7 @@ static void sbr_env_estimate(AAC_FLOAT (*e_curr)[48], INTFLOAT X_high[64][40][2]
 
             for (p = 0; p < sbr->n[ch_data->bs_freq_res[e + 1]]; p++) {
 #if USE_FIXED
-                SoftFloat sum = FLOAT_0;
+                SoftFloat sum = { 0, 0 };
                 const SoftFloat den = av_int2sf(0x20000000 / (env_size * (table[p + 1] - table[p])), 29);
                 for (k = table[p]; k < table[p + 1]; k++) {
                     sum = av_add_sf(sum, sbr->dsp.sum_square(X_high[k] + ilb, iub - ilb));
@@ -1470,12 +1449,6 @@ void AAC_RENAME(ff_sbr_apply)(AACContext *ac, SpectralBandReplication *sbr, int
         sbr_turnoff(sbr);
     }
 
-    if (sbr->start && !sbr->ready_for_dequant) {
-        av_log(ac->avctx, AV_LOG_ERROR,
-               "No quantized data read for sbr_dequant.\n");
-        sbr_turnoff(sbr);
-    }
-
     if (!sbr->kx_and_m_pushed) {
         sbr->kx[0] = sbr->kx[1];
         sbr->m[0] = sbr->m[1];
@@ -1485,7 +1458,6 @@ void AAC_RENAME(ff_sbr_apply)(AACContext *ac, SpectralBandReplication *sbr, int
 
     if (sbr->start) {
         sbr_dequant(sbr, id_aac);
-        sbr->ready_for_dequant = 0;
     }
     for (ch = 0; ch < nch; ch++) {
         /* decode channel */

libavcodec/ac3dec.c

@@ -901,13 +901,11 @@ static int decode_audio_block(AC3DecodeContext *s, int blk)
                                   ff_eac3_default_spx_band_struct,
                                   &s->num_spx_bands,
                                   s->spx_band_sizes);
-        }
-    }
-    if (!s->eac3 || !s->spx_in_use) {
-        s->spx_in_use = 0;
-        for (ch = 1; ch <= fbw_channels; ch++) {
-            s->channel_uses_spx[ch] = 0;
-            s->first_spx_coords[ch] = 1;
+        } else {
+            for (ch = 1; ch <= fbw_channels; ch++) {
+                s->channel_uses_spx[ch] = 0;
+                s->first_spx_coords[ch] = 1;
+            }
         }
     }
 

libavcodec/alsdec.c

@@ -765,13 +765,8 @@ static int read_var_block_data(ALSDecContext *ctx, ALSBlockData *bd)
             bd->ltp_gain[0]   = decode_rice(gb, 1) << 3;
             bd->ltp_gain[1]   = decode_rice(gb, 2) << 3;
 
-            r                 = get_unary(gb, 0, 4);
+            r                 = get_unary(gb, 0, 3);
             c                 = get_bits(gb, 2);
-            if (r >= 4) {
-                av_log(avctx, AV_LOG_ERROR, "r overflow\n");
-                return AVERROR_INVALIDDATA;
-            }
-
             bd->ltp_gain[2]   = ltp_gain_values[r][c];
 
             bd->ltp_gain[3]   = decode_rice(gb, 2) << 3;

libavcodec/ansi.c

@@ -94,9 +94,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
         int ret = ff_set_dimensions(avctx, 80 << 3, 25 << 4);
         if (ret < 0)
             return ret;
-    } else if (avctx->width % FONT_WIDTH || avctx->height % s->font_height) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid dimensions %d %d\n", avctx->width, avctx->height);
-        return AVERROR(EINVAL);
     }
     return 0;
 }

libavcodec/apedec.c

@@ -892,9 +892,6 @@ static void long_filter_high_3800(int32_t *buffer, int order, int shift, int len
     int32_t dotprod, sign;
     int32_t coeffs[256], delay[256];
 
-    if (order >= length)
-        return;
-
     memset(coeffs, 0, order * sizeof(*coeffs));
     for (i = 0; i < order; i++)
         delay[i] = buffer[i];
@@ -1372,7 +1369,7 @@ static void ape_unpack_stereo(APEContext *ctx, int count)
     int32_t *decoded0 = ctx->decoded[0];
     int32_t *decoded1 = ctx->decoded[1];
 
-    if ((ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) == APE_FRAMECODE_STEREO_SILENCE) {
+    if (ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) {
         /* We are pure silence, so we're done. */
         av_log(ctx->avctx, AV_LOG_DEBUG, "pure silence stereo\n");
         return;

libavcodec/ass_split.c

@@ -525,7 +525,7 @@ ASSStyle *ff_ass_style_get(ASSSplitContext *ctx, const char *style)
     if (!style || !*style)
         style = "Default";
     for (i=0; i<ass->styles_count; i++)
-        if (ass->styles[i].name && !strcmp(ass->styles[i].name, style))
+        if (!strcmp(ass->styles[i].name, style))
             return ass->styles + i;
     return NULL;
 }

libavcodec/asvenc.c

@@ -61,7 +61,7 @@ static inline void asv2_put_level(ASV1Context *a, PutBitContext *pb, int level)
     } else {
         put_bits(pb, ff_asv2_level_tab[31][1], ff_asv2_level_tab[31][0]);
         if (level < -128 || level > 127) {
-            av_log(a->avctx, AV_LOG_WARNING, "Clipping level %d, increase qscale\n", level);
+            av_log(a->avctx, AV_LOG_WARNING, "Cliping level %d, increase qscale\n", level);
             level = av_clip_int8(level);
         }
         asv2_put_bits(pb, 8, level & 0xFF);

libavcodec/avpacket.c

@@ -58,7 +58,6 @@ void av_init_packet(AVPacket *pkt)
 #if FF_API_DESTRUCT_PACKET
 FF_DISABLE_DEPRECATION_WARNINGS
     pkt->destruct             = NULL;
-    pkt->priv                 = NULL;
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
     pkt->buf                  = NULL;
@@ -195,7 +194,6 @@ static int copy_packet_data(AVPacket *pkt, const AVPacket *src, int dup)
 {
     pkt->data      = NULL;
     pkt->side_data = NULL;
-    pkt->side_data_elems = 0;
     if (pkt->buf) {
         AVBufferRef *ref = av_buffer_ref(src->buf);
         if (!ref)
@@ -210,11 +208,9 @@ FF_DISABLE_DEPRECATION_WARNINGS
     pkt->destruct = dummy_destruct_packet;
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
-    if (src->side_data_elems && dup) {
+    if (pkt->side_data_elems && dup)
         pkt->side_data = src->side_data;
-        pkt->side_data_elems = src->side_data_elems;
-    }
-    if (src->side_data_elems && !dup) {
+    if (pkt->side_data_elems && !dup) {
         return av_copy_packet_side_data(pkt, src);
     }
     return 0;
@@ -414,12 +410,10 @@ int av_packet_split_side_data(AVPacket *pkt){
         p = pkt->data + pkt->size - 8 - 5;
         for (i=1; ; i++){
             size = AV_RB32(p);
-            if (size>INT_MAX - 5 || p - pkt->data < size)
+            if (size>INT_MAX || p - pkt->data < size)
                 return 0;
             if (p[4]&128)
                 break;
-            if (p - pkt->data < size + 5)
-                return 0;
             p-= size+5;
         }
 
@@ -430,7 +424,7 @@ int av_packet_split_side_data(AVPacket *pkt){
         p= pkt->data + pkt->size - 8 - 5;
         for (i=0; ; i++){
             size= AV_RB32(p);
-            av_assert0(size<=INT_MAX - 5 && p - pkt->data >= size);
+            av_assert0(size<=INT_MAX && p - pkt->data >= size);
             pkt->side_data[i].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
             pkt->side_data[i].size = size;
             pkt->side_data[i].type = p[4]&127;

libavcodec/avrndec.c

@@ -113,7 +113,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
             int shift = p->height - avctx->height;
             int subsample_h, subsample_v;
 
-            av_pix_fmt_get_chroma_sub_sample(p->format, &subsample_h, &subsample_v);
+            av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &subsample_h, &subsample_v);
 
             p->data[0] += p->linesize[0] * shift;
             if (p->data[2]) {

libavcodec/bmp_parser.c

@@ -53,8 +53,7 @@ restart:
             if (bpc->pc.frame_start_found == 0) {
                 if ((state >> 48) == (('B' << 8) | 'M')) {
                     bpc->fsize = av_bswap32(state >> 16);
-                    if (bpc->fsize > 17)
-                        bpc->pc.frame_start_found = 1;
+                    bpc->pc.frame_start_found = 1;
                 }
             } else if (bpc->pc.frame_start_found == 2+4+4) {
 //                 unsigned hsize = av_bswap32(state>>32);
@@ -68,12 +67,8 @@ restart:
 
                 if (bpc->pc.index + i > 17) {
                     next = i - 17;
-                    state = 0;
-                    break;
-                } else {
-                    bpc->pc.state64 = 0;
+                } else
                     goto restart;
-                }
             } else if (bpc->pc.frame_start_found)
                 bpc->pc.frame_start_found++;
         }
@@ -94,10 +89,7 @@ flush:
     if (ff_combine_frame(&bpc->pc, next, &buf, &buf_size) < 0)
         return buf_size;
 
-    if (next != END_NOT_FOUND && next < 0)
-        bpc->pc.frame_start_found = FFMAX(bpc->pc.frame_start_found - i - 1, 0);
-    else
-        bpc->pc.frame_start_found = 0;
+    bpc->pc.frame_start_found = 0;
 
     *poutbuf      = buf;
     *poutbuf_size = buf_size;

libavcodec/cabac.c

@@ -51,7 +51,7 @@ void ff_init_cabac_encoder(CABACContext *c, uint8_t *buf, int buf_size){
  *
  * @param buf_size size of buf in bits
  */
-int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size){
+void ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size){
     c->bytestream_start=
     c->bytestream= buf;
     c->bytestream_end= buf + buf_size;
@@ -64,9 +64,6 @@ int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size){
 #endif
     c->low+= ((*c->bytestream++)<<2) + 2;
     c->range= 0x1FE;
-    if ((c->range<<(CABAC_BITS+1)) < c->low)
-        return AVERROR_INVALIDDATA;
-    return 0;
 }
 
 void ff_init_cabac_states(void)

libavcodec/cabac.h

@@ -56,7 +56,7 @@ typedef struct CABACContext{
 }CABACContext;
 
 void ff_init_cabac_encoder(CABACContext *c, uint8_t *buf, int buf_size);
-int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size);
+void ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size);
 void ff_init_cabac_states(void);
 
 #endif /* AVCODEC_CABAC_H */

libavcodec/cabac_functions.h

@@ -74,8 +74,7 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){
 
 #ifndef get_cabac_inline
 static void refill2(CABACContext *c){
-    int i;
-    unsigned x;
+    int i, x;
 
     x= c->low ^ (c->low-1);
     i= 7 - ff_h264_norm_shift[x>>(CABAC_BITS-1)];
@@ -191,8 +190,7 @@ static av_unused const uint8_t* skip_bytes(CABACContext *c, int n) {
 #endif
     if ((int) (c->bytestream_end - ptr) < n)
         return NULL;
-    if (ff_init_cabac_decoder(c, ptr + n, c->bytestream_end - ptr - n) < 0)
-        return NULL;
+    ff_init_cabac_decoder(c, ptr + n, c->bytestream_end - ptr - n);
 
     return ptr;
 }

libavcodec/cavsdec.c

@@ -1218,8 +1218,6 @@ static int cavs_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
                 h->got_keyframe = 1;
             }
         case PIC_PB_START_CODE:
-            if (*got_frame)
-                av_frame_unref(data);
             *got_frame = 0;
             if (!h->got_keyframe)
                 break;

libavcodec/cavsdsp.c

@@ -188,6 +188,7 @@ static void cavs_filter_ch_c(uint8_t *d, int stride, int alpha, int beta, int tc
 static void cavs_idct8_add_c(uint8_t *dst, int16_t *block, int stride) {
     int i;
     int16_t (*src)[8] = (int16_t(*)[8])block;
+    const uint8_t *cm = ff_crop_tab + MAX_NEG_CROP;
 
     src[0][0] += 8;
 
@@ -242,14 +243,14 @@ static void cavs_idct8_add_c(uint8_t *dst, int16_t *block, int stride) {
         const int b2 = a5 - a7;
         const int b3 = a4 - a6;
 
-        dst[i + 0*stride] = av_clip_uint8( dst[i + 0*stride] + ((b0 + b4) >> 7));
-        dst[i + 1*stride] = av_clip_uint8( dst[i + 1*stride] + ((b1 + b5) >> 7));
-        dst[i + 2*stride] = av_clip_uint8( dst[i + 2*stride] + ((b2 + b6) >> 7));
-        dst[i + 3*stride] = av_clip_uint8( dst[i + 3*stride] + ((b3 + b7) >> 7));
-        dst[i + 4*stride] = av_clip_uint8( dst[i + 4*stride] + ((b3 - b7) >> 7));
-        dst[i + 5*stride] = av_clip_uint8( dst[i + 5*stride] + ((b2 - b6) >> 7));
-        dst[i + 6*stride] = av_clip_uint8( dst[i + 6*stride] + ((b1 - b5) >> 7));
-        dst[i + 7*stride] = av_clip_uint8( dst[i + 7*stride] + ((b0 - b4) >> 7));
+        dst[i + 0*stride] = cm[ dst[i + 0*stride] + ((b0 + b4) >> 7)];
+        dst[i + 1*stride] = cm[ dst[i + 1*stride] + ((b1 + b5) >> 7)];
+        dst[i + 2*stride] = cm[ dst[i + 2*stride] + ((b2 + b6) >> 7)];
+        dst[i + 3*stride] = cm[ dst[i + 3*stride] + ((b3 + b7) >> 7)];
+        dst[i + 4*stride] = cm[ dst[i + 4*stride] + ((b3 - b7) >> 7)];
+        dst[i + 5*stride] = cm[ dst[i + 5*stride] + ((b2 - b6) >> 7)];
+        dst[i + 6*stride] = cm[ dst[i + 6*stride] + ((b1 - b5) >> 7)];
+        dst[i + 7*stride] = cm[ dst[i + 7*stride] + ((b0 - b4) >> 7)];
     }
 }
 

libavcodec/ccaption_dec.c

@@ -168,8 +168,7 @@ typedef struct CCaptionSubContext {
     int64_t end_time;
     char prev_cmd[2];
     /* buffer to store pkt data */
-    uint8_t *pktbuf;
-    int pktbuf_size;
+    AVBufferRef *pktbuf;
 }CCaptionSubContext;
 
 
@@ -186,7 +185,11 @@ static av_cold int init_decoder(AVCodecContext *avctx)
     if(ret < 0) {
         return ret;
     }
-
+    /* allocate pkt buffer */
+    ctx->pktbuf = av_buffer_alloc(128);
+    if( !ctx->pktbuf) {
+        ret = AVERROR(ENOMEM);
+    }
     return ret;
 }
 
@@ -194,8 +197,7 @@ static av_cold int close_decoder(AVCodecContext *avctx)
 {
     CCaptionSubContext *ctx = avctx->priv_data;
     av_bprint_finalize( &ctx->buffer, NULL);
-    av_freep(&ctx->pktbuf);
-    ctx->pktbuf_size = 0;
+    av_buffer_unref(&ctx->pktbuf);
     return 0;
 }
 
@@ -527,13 +529,16 @@ static int decode(AVCodecContext *avctx, void *data, int *got_sub, AVPacket *avp
     int ret = 0;
     int i;
 
-    av_fast_padded_malloc(&ctx->pktbuf, &ctx->pktbuf_size, len);
-    if (!ctx->pktbuf) {
-        av_log(ctx, AV_LOG_WARNING, "Insufficient Memory of %d truncated to %d\n", len, ctx->pktbuf_size);
-        return AVERROR(ENOMEM);
+    if ( ctx->pktbuf->size < len) {
+        ret = av_buffer_realloc(&ctx->pktbuf, len);
+         if(ret < 0) {
+            av_log(ctx, AV_LOG_WARNING, "Insufficient Memory of %d truncated to %d\n",len, ctx->pktbuf->size);
+            len = ctx->pktbuf->size;
+            ret = 0;
+        }
     }
-    memcpy(ctx->pktbuf, avpkt->data, len);
-    bptr = ctx->pktbuf;
+    memcpy(ctx->pktbuf->data, avpkt->data, len);
+    bptr = ctx->pktbuf->data;
 
 
     for (i  = 0; i < len; i += 3) {

libavcodec/cinepak.c

@@ -443,13 +443,10 @@ static int cinepak_decode_frame(AVCodecContext *avctx,
         return ret;
 
     if (s->palette_video) {
-        int size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-        if (pal && size == AVPALETTE_SIZE) {
+        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
+        if (pal) {
             s->frame->palette_has_changed = 1;
             memcpy(s->pal, pal, AVPALETTE_SIZE);
-        } else if (pal) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
         }
     }
 

libavcodec/dca.c

@@ -41,6 +41,8 @@ int avpriv_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
 {
     uint32_t mrk;
     int i, tmp;
+    const uint16_t *ssrc = (const uint16_t *) src;
+    uint16_t *sdst = (uint16_t *) dst;
     PutBitContext pb;
 
     if ((unsigned) src_size > (unsigned) max_size)
@@ -52,11 +54,8 @@ int avpriv_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
         memcpy(dst, src, src_size);
         return src_size;
     case DCA_SYNCWORD_CORE_LE:
-        for (i = 0; i < (src_size + 1) >> 1; i++) {
-            AV_WB16(dst, AV_RL16(src));
-            src += 2;
-            dst += 2;
-        }
+        for (i = 0; i < (src_size + 1) >> 1; i++)
+            *sdst++ = av_bswap16(*ssrc++);
         return src_size;
     case DCA_SYNCWORD_CORE_14B_BE:
     case DCA_SYNCWORD_CORE_14B_LE:

libavcodec/dds.c

@@ -141,12 +141,6 @@ static int parse_pixel_format(AVCodecContext *avctx)
     normal_map      = flags & DDPF_NORMALMAP;
     fourcc = bytestream2_get_le32(gbc);
 
-    if (ctx->compressed && ctx->paletted) {
-        av_log(avctx, AV_LOG_WARNING,
-               "Disabling invalid palette flag for compressed dds.\n");
-        ctx->paletted = 0;
-    }
-
     bpp = bytestream2_get_le32(gbc); // rgbbitcount
     r   = bytestream2_get_le32(gbc); // rbitmask
     g   = bytestream2_get_le32(gbc); // gbitmask
@@ -648,18 +642,9 @@ static int dds_decode(AVCodecContext *avctx, void *data,
         return ret;
 
     if (ctx->compressed) {
-        int size = (avctx->coded_height / TEXTURE_BLOCK_H) *
-                   (avctx->coded_width / TEXTURE_BLOCK_W) * ctx->tex_ratio;
         ctx->slice_count = av_clip(avctx->thread_count, 1,
                                    avctx->coded_height / TEXTURE_BLOCK_H);
 
-        if (bytestream2_get_bytes_left(gbc) < size) {
-            av_log(avctx, AV_LOG_ERROR,
-                   "Compressed Buffer is too small (%d < %d).\n",
-                   bytestream2_get_bytes_left(gbc), size);
-            return AVERROR_INVALIDDATA;
-        }
-
         /* Use the decompress function on the texture, one block per thread. */
         ctx->tex_data = gbc->buffer;
         avctx->execute2(avctx, decompress_texture_thread, frame, NULL, ctx->slice_count);
@@ -681,12 +666,6 @@ static int dds_decode(AVCodecContext *avctx, void *data,
             frame->palette_has_changed = 1;
         }
 
-        if (bytestream2_get_bytes_left(gbc) < frame->height * linesize) {
-            av_log(avctx, AV_LOG_ERROR, "Buffer is too small (%d < %d).\n",
-                   bytestream2_get_bytes_left(gbc), frame->height * linesize);
-            return AVERROR_INVALIDDATA;
-        }
-
         av_image_copy_plane(frame->data[0], frame->linesize[0],
                             gbc->buffer, linesize,
                             linesize, frame->height);

libavcodec/dirac_parser.c

@@ -100,12 +100,10 @@ typedef struct DiracParseUnit {
 static int unpack_parse_unit(DiracParseUnit *pu, DiracParseContext *pc,
                              int offset)
 {
-    int8_t *start;
-
-    if (offset < 0 || pc->index - 13 < offset)
+    uint8_t *start = pc->buffer + offset;
+    uint8_t *end   = pc->buffer + pc->index;
+    if (start < pc->buffer || (start + 13 > end))
         return 0;
-
-    start = pc->buffer + offset;
     pu->pu_type = start[4];
 
     pu->next_pu_offset = AV_RB32(start + 5);
@@ -114,15 +112,6 @@ static int unpack_parse_unit(DiracParseUnit *pu, DiracParseContext *pc,
     if (pu->pu_type == 0x10 && pu->next_pu_offset == 0)
         pu->next_pu_offset = 13;
 
-    if (pu->next_pu_offset && pu->next_pu_offset < 13) {
-        av_log(NULL, AV_LOG_ERROR, "next_pu_offset %d is invalid\n", pu->next_pu_offset);
-        return 0;
-    }
-    if (pu->prev_pu_offset && pu->prev_pu_offset < 13) {
-        av_log(NULL, AV_LOG_ERROR, "prev_pu_offset %d is invalid\n", pu->prev_pu_offset);
-        return 0;
-    }
-
     return 1;
 }
 
@@ -134,7 +123,7 @@ static int dirac_combine_frame(AVCodecParserContext *s, AVCodecContext *avctx,
     DiracParseContext *pc = s->priv_data;
 
     if (pc->overread_index) {
-        memmove(pc->buffer, pc->buffer + pc->overread_index,
+        memcpy(pc->buffer, pc->buffer + pc->overread_index,
                pc->index - pc->overread_index);
         pc->index         -= pc->overread_index;
         pc->overread_index = 0;
@@ -201,7 +190,7 @@ static int dirac_combine_frame(AVCodecParserContext *s, AVCodecContext *avctx,
         }
 
         /* Get the picture number to set the pts and dts*/
-        if (parse_timing_info && pu1.prev_pu_offset >= 13) {
+        if (parse_timing_info) {
             uint8_t *cur_pu = pc->buffer +
                               pc->index - 13 - pu1.prev_pu_offset;
             int pts = AV_RB32(cur_pu + 13);

libavcodec/diracdec.c

@@ -1031,13 +1031,6 @@ static int dirac_unpack_idwt_params(DiracContext *s)
         /*[DIRAC_STD] 11.3.4 Slice coding Parameters (low delay syntax only). slice_parameters() */
         s->lowdelay.num_x     = svq3_get_ue_golomb(gb);
         s->lowdelay.num_y     = svq3_get_ue_golomb(gb);
-        if (s->lowdelay.num_x * s->lowdelay.num_y == 0 ||
-            s->lowdelay.num_x * (uint64_t)s->lowdelay.num_y > INT_MAX) {
-            av_log(s->avctx,AV_LOG_ERROR,"Invalid numx/y\n");
-            s->lowdelay.num_x = s->lowdelay.num_y = 0;
-            return AVERROR_INVALIDDATA;
-        }
-
         s->lowdelay.bytes.num = svq3_get_ue_golomb(gb);
         s->lowdelay.bytes.den = svq3_get_ue_golomb(gb);
 
@@ -1767,9 +1760,7 @@ static int dirac_decode_picture_header(DiracContext *s)
             for (j = 0; j < MAX_FRAMES; j++)
                 if (!s->all_frames[j].avframe->data[0]) {
                     s->ref_pics[i] = &s->all_frames[j];
-                    ret = get_buffer_with_edge(s->avctx, s->ref_pics[i]->avframe, AV_GET_BUFFER_FLAG_REF);
-                    if (ret < 0)
-                        return ret;
+                    get_buffer_with_edge(s->avctx, s->ref_pics[i]->avframe, AV_GET_BUFFER_FLAG_REF);
                     break;
                 }
 

libavcodec/dnxhddata.c

@@ -48,7 +48,7 @@ static const uint8_t dnxhd_1235_chroma_weight[] = {
     90, 90, 85, 79, 73, 73, 73, 73,
 };
 
-/* Used in CID 1237, 1253, 1259 */
+/* Used in CID 1237, 1253 */
 static const uint8_t dnxhd_1237_luma_weight[] = {
      0,  32,  33,  34, 34, 36, 37, 36,
     36,  37,  38,  38, 38, 39, 41, 44,
@@ -60,7 +60,7 @@ static const uint8_t dnxhd_1237_luma_weight[] = {
     97, 100, 104, 102, 98, 98, 99, 99,
 };
 
-/* Used in CID 1237, 1253, 1259 */
+/* Used in CID 1237, 1253 */
 static const uint8_t dnxhd_1237_chroma_weight[] = {
      0,  32,  36,  39, 39, 38, 39,  41,
     45,  51,  57,  58, 53, 48, 47,  51,
@@ -204,7 +204,6 @@ static const uint8_t dnxhd_1251_chroma_weight[] = {
     61, 59, 59, 59, 61, 62, 62, 62,
 };
 
-/* Used in CID 1252, 1258 */
 static const uint8_t dnxhd_1252_luma_weight[] = {
       0,  32,  34, 35, 36, 36, 36, 37,
      36,  37,  39, 40, 41, 40, 40, 40,
@@ -215,8 +214,6 @@ static const uint8_t dnxhd_1252_luma_weight[] = {
      71,  82,  90, 90, 88, 87, 90, 95,
     100, 107, 103, 97, 95, 93, 99, 99,
 };
-
-/* Used in CID 1252, 1258 */
 static const uint8_t dnxhd_1252_chroma_weight[] = {
       0,  32,  35,  36,  37,  37,  38,  40,
      42,  46,  49,  50,  50,  49,  49,  53,
@@ -229,36 +226,80 @@ static const uint8_t dnxhd_1252_chroma_weight[] = {
 };
 
 static const uint8_t dnxhd_1256_chroma_weight[] = {
-     0, 32, 32, 32, 32, 32, 32, 32,
-    32, 32, 32, 32, 32, 32, 32, 32,
-    32, 32, 32, 32, 32, 32, 37, 32,
-    32, 32, 32, 32, 33, 32, 32, 32,
-    32, 32, 33, 34, 37, 36, 32, 32,
-    32, 33, 34, 37, 36, 34, 35, 36,
-    39, 44, 40, 40, 39, 39, 44, 43,
-    43, 51, 56, 50, 49, 60, 61, 70,
+     0, 32, 32, 32, 32, 32, 32, 33,
+    32, 32, 32, 32, 32, 32, 32, 34,
+    32, 32, 32, 32, 32, 32, 33, 37,
+    32, 32, 32, 32, 32, 32, 36, 39,
+    32, 32, 32, 32, 32, 34, 39, 44,
+    32, 37, 32, 32, 35, 40, 43, 49,
+    32, 33, 36, 36, 40, 43, 50, 60,
+    34, 37, 39, 44, 51, 56, 61, 70,
+};
+
+static const uint8_t dnxhd_1258_luma_weight[] = {
+     0, 32, 36, 36,  40,  40, 55, 60,
+    34, 36, 37, 40,  41,  48, 57, 82,
+    35, 36, 41, 41,  46,  52, 73, 82,
+    37, 40, 42, 45,  50,  65, 80, 87,
+    39, 41, 44, 49,  62,  78, 88, 90,
+    41, 44, 49, 58,  73,  90, 95, 95,
+    43, 52, 55, 68,  90, 100, 97, 93,
+    52, 53, 71, 82, 107, 103, 99, 99,
+};
+
+static const uint8_t dnxhd_1258_chroma_weight[] = {
+     0, 32, 37,  38,  49,  53,  65,  66,
+    35, 37, 40,  49,  56,  64,  65,  82,
+    36, 42, 50,  56,  64,  67,  73,  85,
+    46, 50, 57,  63,  71,  72,  89,  87,
+    49, 58, 65,  72,  78,  88,  88,  90,
+    60, 64, 74,  81,  84,  90,  95, 134,
+    62, 74, 77,  80,  90, 114, 129, 125,
+    74, 74, 90, 100, 128, 125, 116, 116,
+};
+
+static const uint8_t dnxhd_1259_luma_weight[] = {
+     0, 32, 36, 37,  41,  44,  54, 60,
+    33, 34, 36, 39,  43,  51,  62, 78,
+    34, 36, 38, 41,  49,  59,  73, 79,
+    37, 38, 40, 47,  55,  66,  80, 95,
+    38, 41, 46, 54,  63,  79,  93, 96,
+    46, 47, 56, 64,  78,  90,  97, 98,
+    49, 58, 66, 78,  89,  97, 102, 98,
+    61, 65, 82, 87, 100, 104,  99, 99,
+};
+
+static const uint8_t dnxhd_1259_chroma_weight[] = {
+     0, 32, 38, 39,  47,  51,  77, 83,
+    36, 39, 41, 48,  55,  74,  85, 95,
+    39, 45, 53, 58,  72,  83, 105, 89,
+    51, 58, 66, 73,  82, 109,  92, 95,
+    57, 75, 78, 89, 105,  95,  93, 96,
+    81, 82, 99, 99,  94,  90,  97, 98,
+    83, 96, 97, 93,  89,  97, 102, 98,
+    90, 94, 92, 88, 100, 104,  99, 99,
 };
 
 static const uint8_t dnxhd_1260_luma_weight[] = {
-     0, 32, 33, 34, 36, 37, 37, 36,
-    34, 33, 34, 35, 37, 38, 40, 41,
-    40, 39, 38, 37, 34, 33, 34, 37,
-    40, 44, 48, 52, 53, 49, 47, 45,
-    42, 38, 36, 36, 38, 41, 43, 44,
-    46, 49, 52, 54, 54, 49, 44, 44,
-    44, 47, 51, 51, 52, 51, 48, 50,
-    52, 53, 53, 50, 50, 54, 54, 54,
+     0, 32, 37, 37, 40, 41, 52, 53,
+    33, 36, 36, 38, 40, 48, 49, 52,
+    34, 34, 37, 39, 44, 47, 49, 54,
+    33, 35, 38, 40, 45, 46, 54, 51,
+    34, 37, 37, 42, 44, 49, 52, 48,
+    34, 34, 38, 43, 44, 51, 50, 50,
+    33, 36, 41, 44, 51, 52, 50, 54,
+    36, 38, 44, 47, 53, 53, 54, 54,
 };
 
 static const uint8_t dnxhd_1260_chroma_weight[] = {
-     0, 32, 34, 38, 42, 40, 38, 36,
-    35, 35, 38, 42, 43, 43, 42, 40,
-    38, 39, 43, 43, 42, 41, 43, 43,
-    42, 44, 46, 45, 45, 46, 47, 46,
-    44, 44, 45, 46, 46, 46, 50, 50,
-    47, 47, 49, 49, 49, 49, 51, 53,
-    51, 49, 53, 57, 56, 52, 50, 52,
-    56, 56, 53, 53, 53, 54, 58, 58,
+     0, 32, 40, 38, 42, 40, 45, 45,
+    34, 42, 36, 43, 38, 46, 46, 49,
+    38, 35, 43, 39, 44, 47, 47, 49,
+    35, 42, 43, 42, 46, 47, 49, 52,
+    38, 43, 43, 44, 50, 49, 56, 50,
+    42, 43, 44, 50, 51, 57, 52, 53,
+    41, 45, 46, 53, 53, 56, 53, 54,
+    46, 46, 51, 49, 56, 53, 58, 58,
 };
 
 /* Used in CID 1235, 1241, 1250, 1256 */
@@ -1049,14 +1090,14 @@ const CIDEntry ff_dnxhd_cid_table[] = {
       { 350, 390, 440, 730, 880 },
       { { 24000, 1001 }, { 25, 1 }, { 30000, 1001 }, { 50, 1 }, { 60000, 1001 } } },
     { 1258, 960, 720, 0, 212992, 212992, 4, 8, 5,
-      dnxhd_1252_luma_weight, dnxhd_1252_chroma_weight,
+      dnxhd_1258_luma_weight, dnxhd_1258_chroma_weight,
       dnxhd_1237_dc_codes, dnxhd_1237_dc_bits,
       dnxhd_1252_ac_codes, dnxhd_1252_ac_bits, dnxhd_1252_ac_level,
       dnxhd_1252_ac_flags,
       dnxhd_1250_run_codes, dnxhd_1250_run_bits, dnxhd_1250_run,
       { 42, 60, 75, 115 } },
     { 1259, 1440, 1080, 0, 417792, 417792, 4, 8, 3,
-      dnxhd_1237_luma_weight, dnxhd_1237_chroma_weight,
+      dnxhd_1259_luma_weight, dnxhd_1259_chroma_weight,
       dnxhd_1237_dc_codes, dnxhd_1237_dc_bits,
       dnxhd_1237_ac_codes, dnxhd_1237_ac_bits, dnxhd_1237_ac_level,
       dnxhd_1237_ac_flags,

libavcodec/dnxhddec.c

@@ -349,12 +349,7 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame,
     uint8_t *dest_y, *dest_u, *dest_v;
     int dct_y_offset, dct_x_offset;
     int qscale, i;
-    int interlaced_mb = 0;
 
-    if (ctx->cid_table->cid == 1260) {
-        interlaced_mb = get_bits1(&ctx->gb);
-        qscale = get_bits(&ctx->gb, 10);
-    } else
     qscale = get_bits(&ctx->gb, 11);
     skip_bits1(&ctx->gb);
 
@@ -391,12 +386,8 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame,
         dest_u += frame->linesize[1];
         dest_v += frame->linesize[2];
     }
-    if (interlaced_mb) {
-        dct_linesize_luma   <<= 1;
-        dct_linesize_chroma <<= 1;
-    }
 
-    dct_y_offset = interlaced_mb ? frame->linesize[0] : (dct_linesize_luma << 3);
+    dct_y_offset = dct_linesize_luma << 3;
     dct_x_offset = 8 << shift1;
     if (!ctx->is_444) {
         ctx->idsp.idct_put(dest_y,                               dct_linesize_luma, ctx->blocks[0]);
@@ -405,7 +396,7 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame,
         ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[5]);
 
         if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
-            dct_y_offset = interlaced_mb ? frame->linesize[1] : (dct_linesize_chroma << 3);
+            dct_y_offset = dct_linesize_chroma << 3;
             ctx->idsp.idct_put(dest_u,                dct_linesize_chroma, ctx->blocks[2]);
             ctx->idsp.idct_put(dest_v,                dct_linesize_chroma, ctx->blocks[3]);
             ctx->idsp.idct_put(dest_u + dct_y_offset, dct_linesize_chroma, ctx->blocks[6]);
@@ -418,7 +409,7 @@ static int dnxhd_decode_macroblock(DNXHDContext *ctx, AVFrame *frame,
         ctx->idsp.idct_put(dest_y + dct_y_offset + dct_x_offset, dct_linesize_luma, ctx->blocks[7]);
 
         if (!(ctx->avctx->flags & AV_CODEC_FLAG_GRAY)) {
-            dct_y_offset = interlaced_mb ? frame->linesize[1] : (dct_linesize_chroma << 3);
+            dct_y_offset = dct_linesize_chroma << 3;
             ctx->idsp.idct_put(dest_u,                               dct_linesize_chroma, ctx->blocks[2]);
             ctx->idsp.idct_put(dest_u + dct_x_offset,                dct_linesize_chroma, ctx->blocks[3]);
             ctx->idsp.idct_put(dest_u + dct_y_offset,                dct_linesize_chroma, ctx->blocks[8]);

libavcodec/dpx.c

@@ -348,11 +348,11 @@ static int decode_frame(AVCodecContext *avctx,
                 // For 12 bit, ignore alpha
                 if (elements == 4)
                     buf += 2;
+                // Jump to next aligned position
+                buf += need_align;
             }
             for (i = 0; i < 3; i++)
                 ptr[i] += p->linesize[i];
-            // Jump to next aligned position
-            buf += need_align;
         }
         break;
     case 16:

libavcodec/dvbsubdec.c

@@ -810,7 +810,7 @@ static void compute_default_clut(AVPicture *frame, int w, int h)
         list_inv[     i ] = bestv;
     }
 
-    count = FFMAX(i - 1, 1);
+    count = i - 1;
     for (i--; i>=0; i--) {
         int v = i*255/count;
         AV_WN32(frame->data[1] + 4*list_inv[i], RGBA(v/2,v,v/2,v));

libavcodec/dvdec.c

@@ -347,7 +347,7 @@ retry:
                                     dct_mode                        * 22 * 64 +
                                     (quant + ff_dv_quant_offset[class1]) * 64];
             }
-            dc = dc * 4;
+            dc = dc << 2;
             /* convert to unsigned because 128 is not added in the
              * standard IDCT */
             dc                   += 1024;

libavcodec/dvdsubdec.c

@@ -185,7 +185,7 @@ static void guess_palette(DVDSubContext* ctx,
     for(i = 0; i < 4; i++) {
         if (alpha[i] != 0) {
             if (!color_used[colormap[i]])  {
-                level = level_map[nb_opaque_colors - 1][j];
+                level = level_map[nb_opaque_colors][j];
                 r = (((subtitle_color >> 16) & 0xff) * level) >> 8;
                 g = (((subtitle_color >> 8) & 0xff) * level) >> 8;
                 b = (((subtitle_color >> 0) & 0xff) * level) >> 8;
@@ -346,7 +346,7 @@ static int decode_dvd_subtitles(DVDSubContext *ctx, AVSubtitle *sub_header,
             }
         }
     the_end:
-        if (offset1 >= 0 && offset2 >= 0) {
+        if (offset1 >= 0) {
             int w, h;
             uint8_t *bitmap;
 
@@ -516,8 +516,7 @@ static int append_to_cached_buf(AVCodecContext *avctx,
 {
     DVDSubContext *ctx = avctx->priv_data;
 
-    av_assert0(buf_size >= 0 && ctx->buf_size <= sizeof(ctx->buf));
-    if (buf_size >= sizeof(ctx->buf) - ctx->buf_size) {
+    if (ctx->buf_size >= sizeof(ctx->buf) - buf_size) {
         av_log(avctx, AV_LOG_WARNING, "Attempt to reconstruct "
                "too large SPU packets aborted.\n");
         ctx->buf_size = 0;

libavcodec/dxtory.c

@@ -65,7 +65,7 @@ static int dxtory_decode_v1_410(AVCodecContext *avctx, AVFrame *pic,
     uint8_t *Y1, *Y2, *Y3, *Y4, *U, *V;
     int ret;
 
-    if (src_size < FFALIGN(avctx->width, 4) * FFALIGN(avctx->height, 4) * 9LL / 8) {
+    if (src_size < avctx->width * avctx->height * 9LL / 8) {
         av_log(avctx, AV_LOG_ERROR, "packet too small\n");
         return AVERROR_INVALIDDATA;
     }
@@ -108,7 +108,7 @@ static int dxtory_decode_v1_420(AVCodecContext *avctx, AVFrame *pic,
     uint8_t *Y1, *Y2, *U, *V;
     int ret;
 
-    if (src_size < FFALIGN(avctx->width, 2) * FFALIGN(avctx->height, 2) * 3LL / 2) {
+    if (src_size < avctx->width * avctx->height * 3LL / 2) {
         av_log(avctx, AV_LOG_ERROR, "packet too small\n");
         return AVERROR_INVALIDDATA;
     }

libavcodec/error_resilience.c

@@ -381,19 +381,14 @@ static void guess_mv(ERContext *s)
 #define MV_UNCHANGED 1
     const int mb_stride = s->mb_stride;
     const int mb_width  = s->mb_width;
-    int mb_height = s->mb_height;
+    const int mb_height = s->mb_height;
     int i, depth, num_avail;
     int mb_x, mb_y, mot_step, mot_stride;
 
-    if (s->last_pic.f && s->last_pic.f->data[0])
-        mb_height = FFMIN(mb_height, (s->last_pic.f->height+15)>>4);
-    if (s->next_pic.f && s->next_pic.f->data[0])
-        mb_height = FFMIN(mb_height, (s->next_pic.f->height+15)>>4);
-
     set_mv_strides(s, &mot_step, &mot_stride);
 
     num_avail = 0;
-    for (i = 0; i < mb_width * mb_height; i++) {
+    for (i = 0; i < s->mb_num; i++) {
         const int mb_xy = s->mb_index2xy[i];
         int f = 0;
         int error = s->error_status_table[mb_xy];
@@ -418,7 +413,7 @@ static void guess_mv(ERContext *s)
 
     if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
         num_avail <= mb_width / 2) {
-        for (mb_y = 0; mb_y < mb_height; mb_y++) {
+        for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
             for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
                 const int mb_xy = mb_x + mb_y * s->mb_stride;
                 int mv_dir = (s->last_pic.f && s->last_pic.f->data[0]) ? MV_DIR_FORWARD : MV_DIR_BACKWARD;
@@ -447,7 +442,7 @@ static void guess_mv(ERContext *s)
             int score_sum = 0;
 
             changed = 0;
-            for (mb_y = 0; mb_y < mb_height; mb_y++) {
+            for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
                 for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
                     const int mb_xy        = mb_x + mb_y * s->mb_stride;
                     int mv_predictor[8][2] = { { 0 } };
@@ -680,7 +675,7 @@ skip_last_mv:
         if (none_left)
             return;
 
-        for (i = 0; i < mb_width * mb_height; i++) {
+        for (i = 0; i < s->mb_num; i++) {
             int mb_xy = s->mb_index2xy[i];
             if (fixed[mb_xy])
                 fixed[mb_xy] = MV_FROZEN;

libavcodec/escape124.c

@@ -250,10 +250,6 @@ static int escape124_decode_frame(AVCodecContext *avctx,
                 // This codebook can be cut off at places other than
                 // powers of 2, leaving some of the entries undefined.
                 cb_size = get_bits_long(&gb, 20);
-                if (!cb_size) {
-                    av_log(avctx, AV_LOG_ERROR, "Invalid codebook size 0.\n");
-                    return AVERROR_INVALIDDATA;
-                }
                 cb_depth = av_log2(cb_size - 1) + 1;
             } else {
                 cb_depth = get_bits(&gb, 4);

libavcodec/exr.c

@@ -459,7 +459,7 @@ static int huf_build_dec_table(const uint64_t *hcode, int im,
         lc += 8;                                                              \
 }
 
-#define get_code(po, rlc, c, lc, gb, out, oe, outb)                           \
+#define get_code(po, rlc, c, lc, gb, out, oe)                                 \
 {                                                                             \
         if (po == rlc) {                                                      \
             if (lc < 8)                                                       \
@@ -468,7 +468,7 @@ static int huf_build_dec_table(const uint64_t *hcode, int im,
                                                                               \
             cs = c >> lc;                                                     \
                                                                               \
-            if (out + cs > oe || out == outb)                                 \
+            if (out + cs > oe)                                                \
                 return AVERROR_INVALIDDATA;                                   \
                                                                               \
             s = out[-1];                                                      \
@@ -501,7 +501,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,
 
             if (pl.len) {
                 lc -= pl.len;
-                get_code(pl.lit, rlc, c, lc, gb, out, oe, outb);
+                get_code(pl.lit, rlc, c, lc, gb, out, oe);
             } else {
                 int j;
 
@@ -518,7 +518,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,
                         if ((hcode[pl.p[j]] >> 6) ==
                             ((c >> (lc - l)) & ((1LL << l) - 1))) {
                             lc -= l;
-                            get_code(pl.p[j], rlc, c, lc, gb, out, oe, outb);
+                            get_code(pl.p[j], rlc, c, lc, gb, out, oe);
                             break;
                         }
                     }
@@ -539,7 +539,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,
 
         if (pl.len) {
             lc -= pl.len;
-            get_code(pl.lit, rlc, c, lc, gb, out, oe, outb);
+            get_code(pl.lit, rlc, c, lc, gb, out, oe);
         } else {
             return AVERROR_INVALIDDATA;
         }

libavcodec/faxcompr.c

@@ -189,10 +189,6 @@ static int decode_uncompressed(AVCodecContext *avctx, GetBitContext *gb,
     *mode = !*mode;
     if (newmode != *mode) { //FIXME CHECK
         *(*runs)++ = 0;
-        if (*runs >= runend) {
-            av_log(avctx, AV_LOG_ERROR, "uncompressed run overrun\n");
-            return AVERROR_INVALIDDATA;
-        }
         *mode = newmode;
     }
     return 0;

libavcodec/ffv1.c

@@ -66,7 +66,7 @@ av_cold int ff_ffv1_common_init(AVCodecContext *avctx)
 
 av_cold int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs)
 {
-    int j, i;
+    int j;
 
     fs->plane_count  = f->plane_count;
     fs->transparency = f->transparency;
@@ -80,15 +80,10 @@ av_cold int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs)
             if (!p->state)
                 return AVERROR(ENOMEM);
         } else {
-            if (!p->vlc_state) {
-                p->vlc_state = av_mallocz_array(p->context_count, sizeof(VlcState));
-                if (!p->vlc_state)
-                    return AVERROR(ENOMEM);
-                for (i = 0; i < p->context_count; i++) {
-                    p->vlc_state[i].error_sum = 4;
-                    p->vlc_state[i].count     = 1;
-                }
-            }
+            if (!p->vlc_state)
+                p->vlc_state = av_malloc_array(p->context_count, sizeof(VlcState));
+            if (!p->vlc_state)
+                return AVERROR(ENOMEM);
         }
     }
 
@@ -106,7 +101,7 @@ av_cold int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs)
 av_cold int ff_ffv1_init_slices_state(FFV1Context *f)
 {
     int i, ret;
-    for (i = 0; i < f->max_slice_count; i++) {
+    for (i = 0; i < f->slice_count; i++) {
         FFV1Context *fs = f->slice_context[i];
         if ((ret = ff_ffv1_init_slice_state(f, fs)) < 0)
             return AVERROR(ENOMEM);
@@ -118,10 +113,10 @@ av_cold int ff_ffv1_init_slice_contexts(FFV1Context *f)
 {
     int i;
 
-    f->max_slice_count = f->num_h_slices * f->num_v_slices;
-    av_assert0(f->max_slice_count > 0);
+    f->slice_count = f->num_h_slices * f->num_v_slices;
+    av_assert0(f->slice_count > 0);
 
-    for (i = 0; i < f->max_slice_count; i++) {
+    for (i = 0; i < f->slice_count; i++) {
         int sx          = i % f->num_h_slices;
         int sy          = i / f->num_h_slices;
         int sxs         = f->avctx->width  *  sx      / f->num_h_slices;
@@ -215,7 +210,7 @@ av_cold int ff_ffv1_close(AVCodecContext *avctx)
         ff_thread_release_buffer(avctx, &s->last_picture);
     av_frame_free(&s->last_picture.f);
 
-    for (j = 0; j < s->max_slice_count; j++) {
+    for (j = 0; j < s->slice_count; j++) {
         FFV1Context *fs = s->slice_context[j];
         for (i = 0; i < s->plane_count; i++) {
             PlaneContext *p = &fs->plane[i];
@@ -229,14 +224,14 @@ av_cold int ff_ffv1_close(AVCodecContext *avctx)
     av_freep(&avctx->stats_out);
     for (j = 0; j < s->quant_table_count; j++) {
         av_freep(&s->initial_states[j]);
-        for (i = 0; i < s->max_slice_count; i++) {
+        for (i = 0; i < s->slice_count; i++) {
             FFV1Context *sf = s->slice_context[i];
             av_freep(&sf->rc_stat2[j]);
         }
         av_freep(&s->rc_stat2[j]);
     }
 
-    for (i = 0; i < s->max_slice_count; i++)
+    for (i = 0; i < s->slice_count; i++)
         av_freep(&s->slice_context[i]);
 
     return 0;

libavcodec/ffv1.h

@@ -118,7 +118,6 @@ typedef struct FFV1Context {
 
     struct FFV1Context *slice_context[MAX_SLICES];
     int slice_count;
-    int max_slice_count;
     int num_v_slices;
     int num_h_slices;
     int slice_width;

libavcodec/ffv1dec.c

@@ -47,11 +47,8 @@ static inline av_flatten int get_symbol_inline(RangeCoder *c, uint8_t *state,
     else {
         int i, e, a;
         e = 0;
-        while (get_rac(c, state + 1 + FFMIN(e, 9))) { // 1..10
+        while (get_rac(c, state + 1 + FFMIN(e, 9))) // 1..10
             e++;
-            if (e > 31)
-                return AVERROR_INVALIDDATA;
-        }
 
         a = 1;
         for (i = e - 1; i >= 0; i--)
@@ -305,7 +302,7 @@ static int decode_slice_header(FFV1Context *f, FFV1Context *fs)
     for (i = 0; i < f->plane_count; i++) {
         PlaneContext * const p = &fs->plane[i];
         int idx = get_symbol(c, state, 0);
-        if (idx >= (unsigned)f->quant_table_count) {
+        if (idx > (unsigned)f->quant_table_count) {
             av_log(f->avctx, AV_LOG_ERROR, "quant_table_index out of range\n");
             return -1;
         }
@@ -408,7 +405,6 @@ static int decode_slice(AVCodecContext *c, void *arg)
         if (ff_ffv1_init_slice_state(f, fs) < 0)
             return AVERROR(ENOMEM);
         if (decode_slice_header(f, fs) < 0) {
-            fs->slice_x = fs->slice_y = fs->slice_height = fs->slice_width = 0;
             fs->slice_damaged = 1;
             return AVERROR_INVALIDDATA;
         }
@@ -503,10 +499,7 @@ static int read_quant_tables(RangeCoder *c,
     int context_count = 1;
 
     for (i = 0; i < 5; i++) {
-        int ret = read_quant_table(c, quant_table[i], context_count);
-        if (ret < 0)
-            return ret;
-        context_count *= ret;
+        context_count *= read_quant_table(c, quant_table[i], context_count);
         if (context_count > 32768U) {
             return AVERROR_INVALIDDATA;
         }
@@ -569,11 +562,8 @@ static int read_extra_header(FFV1Context *f)
     }
 
     f->quant_table_count = get_symbol(c, state, 0);
-    if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count) {
-        av_log(f->avctx, AV_LOG_ERROR, "quant table count %d is invalid\n", f->quant_table_count);
-        f->quant_table_count = 0;
+    if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES)
         return AVERROR_INVALIDDATA;
-    }
 
     for (i = 0; i < f->quant_table_count; i++) {
         f->context_count[i] = read_quant_tables(c, f->quant_tables[i]);
@@ -785,7 +775,6 @@ static int read_header(FFV1Context *f)
             av_log(f->avctx, AV_LOG_ERROR, "read_quant_table error\n");
             return AVERROR_INVALIDDATA;
         }
-        f->slice_count = f->max_slice_count;
     } else if (f->version < 3) {
         f->slice_count = get_symbol(c, state, 0);
     } else {
@@ -800,8 +789,8 @@ static int read_header(FFV1Context *f)
             p -= size + trailer;
         }
     }
-    if (f->slice_count > (unsigned)MAX_SLICES || f->slice_count <= 0 || f->slice_count > f->max_slice_count) {
-        av_log(f->avctx, AV_LOG_ERROR, "slice count %d is invalid (max=%d)\n", f->slice_count, f->max_slice_count);
+    if (f->slice_count > (unsigned)MAX_SLICES || f->slice_count <= 0) {
+        av_log(f->avctx, AV_LOG_ERROR, "slice count %d is invalid\n", f->slice_count);
         return AVERROR_INVALIDDATA;
     }
 
@@ -943,7 +932,6 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, AVPac
         else                     v = buf_p - c->bytestream_start;
         if (buf_p - c->bytestream_start < v) {
             av_log(avctx, AV_LOG_ERROR, "Slice pointer chain broken\n");
-            ff_thread_report_progress(&f->picture, INT_MAX, 0);
             return AVERROR_INVALIDDATA;
         }
         buf_p -= v;
@@ -1028,7 +1016,6 @@ static int init_thread_copy(AVCodecContext *avctx)
     f->picture.f      = NULL;
     f->last_picture.f = NULL;
     f->sample_buffer  = NULL;
-    f->max_slice_count = 0;
     f->slice_count = 0;
 
     for (i = 0; i < f->quant_table_count; i++) {
@@ -1104,7 +1091,7 @@ static int update_thread_context(AVCodecContext *dst, const AVCodecContext *src)
         av_assert0(!fdst->sample_buffer);
     }
 
-    av_assert1(fdst->max_slice_count == fsrc->max_slice_count);
+    av_assert1(fdst->slice_count == fsrc->slice_count);
 
 
     ff_thread_release_buffer(dst, &fdst->picture);

libavcodec/ffv1enc.c

@@ -763,12 +763,14 @@ static av_cold int encode_init(AVCodecContext *avctx)
         s->colorspace = 1;
         s->transparency = 1;
         s->chroma_planes = 1;
-        s->bits_per_raw_sample = 8;
+        if (!avctx->bits_per_raw_sample)
+            s->bits_per_raw_sample = 8;
         break;
     case AV_PIX_FMT_0RGB32:
         s->colorspace = 1;
         s->chroma_planes = 1;
-        s->bits_per_raw_sample = 8;
+        if (!avctx->bits_per_raw_sample)
+            s->bits_per_raw_sample = 8;
         break;
     case AV_PIX_FMT_GBRP9:
         if (!avctx->bits_per_raw_sample)
@@ -975,7 +977,6 @@ slices_ok:
 
     if ((ret = ff_ffv1_init_slice_contexts(s)) < 0)
         return ret;
-    s->slice_count = s->max_slice_count;
     if ((ret = ff_ffv1_init_slices_state(s)) < 0)
         return ret;
 
@@ -985,7 +986,7 @@ slices_ok:
         if (!avctx->stats_out)
             return AVERROR(ENOMEM);
         for (i = 0; i < s->quant_table_count; i++)
-            for (j = 0; j < s->max_slice_count; j++) {
+            for (j = 0; j < s->slice_count; j++) {
                 FFV1Context *sf = s->slice_context[j];
                 av_assert0(!sf->rc_stat2[i]);
                 sf->rc_stat2[i] = av_mallocz(s->context_count[i] *
@@ -1192,6 +1193,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     FFV1Context *f      = avctx->priv_data;
     RangeCoder *const c = &f->slice_context[0]->c;
     AVFrame *const p    = f->picture.f;
+    int used_count      = 0;
     uint8_t keystate    = 128;
     uint8_t *buf_p;
     int i, ret;
@@ -1208,7 +1210,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
             for (i = 0; i < f->quant_table_count; i++)
                 memset(f->rc_stat2[i], 0, f->context_count[i] * sizeof(*f->rc_stat2[i]));
 
-            av_assert0(f->slice_count == f->max_slice_count);
             for (j = 0; j < f->slice_count; j++) {
                 FFV1Context *fs = f->slice_context[j];
                 for (i = 0; i < 256; i++) {
@@ -1247,11 +1248,6 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
     if (f->version > 3)
         maxsize = AV_INPUT_BUFFER_MIN_SIZE + avctx->width*avctx->height*3LL*4;
 
-    if (maxsize > INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32) {
-        av_log(avctx, AV_LOG_WARNING, "Cannot allocate worst case packet size, the encoding could fail\n");
-        maxsize = INT_MAX - AV_INPUT_BUFFER_PADDING_SIZE - 32;
-    }
-
     if ((ret = ff_alloc_packet2(avctx, pkt, maxsize, 0)) < 0)
         return ret;
 
@@ -1281,17 +1277,11 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
         }
     }
 
-    for (i = 0; i < f->slice_count; i++) {
+    for (i = 1; i < f->slice_count; i++) {
         FFV1Context *fs = f->slice_context[i];
-        uint8_t *start  = pkt->data + pkt->size * (int64_t)i / f->slice_count;
+        uint8_t *start  = pkt->data + (pkt->size - used_count) * (int64_t)i / f->slice_count;
         int len         = pkt->size / f->slice_count;
-        if (i) {
-            ff_init_range_encoder(&fs->c, start, len);
-        } else {
-            av_assert0(fs->c.bytestream_end >= fs->c.bytestream_start + len);
-            av_assert0(fs->c.bytestream < fs->c.bytestream_start + len);
-            fs->c.bytestream_end = fs->c.bytestream_start + len;
-        }
+        ff_init_range_encoder(&fs->c, start, len);
     }
     avctx->execute(avctx, encode_slice, &f->slice_context[0], NULL,
                    f->slice_count, sizeof(void *));

libavcodec/flac_parser.c

@@ -586,12 +586,10 @@ static int flac_parse(AVCodecParserContext *s, AVCodecContext *avctx,
             temp = curr->next;
             av_freep(&curr->link_penalty);
             av_free(curr);
-            fpc->nb_headers_buffered--;
         }
         fpc->headers = fpc->best_header->next;
         av_freep(&fpc->best_header->link_penalty);
         av_freep(&fpc->best_header);
-        fpc->nb_headers_buffered--;
     }
 
     /* Find and score new headers.                                     */
@@ -619,8 +617,8 @@ static int flac_parse(AVCodecParserContext *s, AVCodecContext *avctx,
 
         if (!av_fifo_space(fpc->fifo_buf) &&
             av_fifo_size(fpc->fifo_buf) / FLAC_AVG_FRAME_SIZE >
-            fpc->nb_headers_buffered * 20) {
-            /* There is less than one valid flac header buffered for 20 headers
+            fpc->nb_headers_buffered * 10) {
+            /* There is less than one valid flac header buffered for 10 headers
              * buffered. Therefore the fifo is most likely filled with invalid
              * data and the input is not a flac file. */
             goto handle_error;

libavcodec/flacdec.c

@@ -268,8 +268,7 @@ static int decode_subframe_fixed(FLACContext *s, int32_t *decoded,
                                  int pred_order, int bps)
 {
     const int blocksize = s->blocksize;
-    unsigned av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d);
-    int i;
+    int av_uninit(a), av_uninit(b), av_uninit(c), av_uninit(d), i;
     int ret;
 
     /* warm up samples */
@@ -448,7 +447,7 @@ static inline int decode_subframe(FLACContext *s, int channel)
     if (wasted) {
         int i;
         for (i = 0; i < s->blocksize; i++)
-            decoded[i] = (unsigned)decoded[i] << wasted;
+            decoded[i] <<= wasted;
     }
 
     return 0;

libavcodec/flacdsp_template.c

@@ -56,7 +56,7 @@ static void FUNC(flac_decorrelate_indep_c)(uint8_t **out, int32_t **in,
 
     for (j = 0; j < len; j++)
         for (i = 0; i < channels; i++)
-            S(samples, i, j) = (int)((unsigned)in[i][j] << shift);
+            S(samples, i, j) = in[i][j] << shift;
 }
 
 static void FUNC(flac_decorrelate_ls_c)(uint8_t **out, int32_t **in,

libavcodec/flacenc.c

@@ -1021,7 +1021,7 @@ static int count_frame_header(FlacEncodeContext *s)
         count += 16;
 
     /* explicit sample rate */
-    count += ((s->sr_code[0] == 12) + (s->sr_code[0] > 12) * 2) * 8;
+    count += ((s->sr_code[0] == 12) + (s->sr_code[0] > 12)) * 8;
 
     /* frame header CRC-8 */
     count += 8;

libavcodec/flashsv.c

@@ -413,10 +413,6 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
                 }
 
                 if (has_diff) {
-                    if (size < 3) {
-                        av_log(avctx, AV_LOG_ERROR, "size too small for diff\n");
-                        return AVERROR_INVALIDDATA;
-                    }
                     if (!s->keyframe) {
                         av_log(avctx, AV_LOG_ERROR,
                                "Inter frame without keyframe\n");
@@ -444,10 +440,6 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
                     int row = get_bits(&gb, 8);
                     av_log(avctx, AV_LOG_DEBUG, "%dx%d zlibprime_curr %dx%d\n",
                            i, j, col, row);
-                    if (size < 3) {
-                        av_log(avctx, AV_LOG_ERROR, "size too small for zlibprime_curr\n");
-                        return AVERROR_INVALIDDATA;
-                    }
                     size -= 2;
                     avpriv_request_sample(avctx, "zlibprime_curr");
                     return AVERROR_PATCHWELCOME;

libavcodec/g2meet.c

@@ -631,8 +631,6 @@ static int epic_decode_run_length(ePICContext *dc, int x, int y, int tile_width,
               (NN  != N)  << 1 |
               (NNW != NW);
         WWneW = ff_els_decode_bit(&dc->els_ctx, &dc->W_ctx_rung[idx]);
-        if (WWneW < 0)
-            return WWneW;
     }
 
     if (WWneW)
@@ -839,13 +837,10 @@ static int epic_decode_tile(ePICContext *dc, uint8_t *out, int tile_height,
                 if (y < 2 || x < 2 || x == tile_width - 1) {
                     run       = 1;
                     got_pixel = epic_handle_edges(dc, x, y, curr_row, above_row, &pix);
-                } else {
+                } else
                     got_pixel = epic_decode_run_length(dc, x, y, tile_width,
                                                        curr_row, above_row,
                                                        above2_row, &pix, &run);
-                    if (got_pixel < 0)
-                        return got_pixel;
-                }
 
                 if (!got_pixel && !epic_predict_from_NW_NE(dc, x, y, run,
                                                            tile_width, curr_row,

libavcodec/g726.c

@@ -32,7 +32,7 @@
 
 /**
  * G.726 11bit float.
- * G.726 Standard uses rather odd 11bit floating point arithmetic for
+ * G.726 Standard uses rather odd 11bit floating point arithmentic for
  * numerous occasions. It's a mystery to me why they did it this way
  * instead of simply using 32bit integer arithmetic.
  */
@@ -206,7 +206,7 @@ static int16_t g726_decode(G726Context* c, int I)
 
     if (I_sig)  /* get the sign */
         dq = -dq;
-    re_signal = (int16_t)(c->se + dq);
+    re_signal = c->se + dq;
 
     /* Update second order predictor coefficient A2 and A1 */
     pk0 = (c->sez + dq) ? sgn(c->sez + dq) : 0;

libavcodec/get_bits.h

@@ -374,10 +374,6 @@ static inline uint64_t get_bits64(GetBitContext *s, int n)
  */
 static inline int get_sbits_long(GetBitContext *s, int n)
 {
-    // sign_extend(x, 0) is undefined
-    if (!n)
-        return 0;
-
     return sign_extend(get_bits_long(s, n), n);
 }
 

libavcodec/gif.c

@@ -43,7 +43,6 @@ typedef struct GIFContext {
     const AVClass *class;
     LZWState *lzw;
     uint8_t *buf;
-    int buf_size;
     AVFrame *last_frame;
     int flags;
     uint32_t palette[AVPALETTE_COUNT];  ///< local reference palette for !pal8
@@ -175,7 +174,7 @@ static int gif_image_write_image(AVCodecContext *avctx,
 
     bytestream_put_byte(bytestream, 0x08);
 
-    ff_lzw_encode_init(s->lzw, s->buf, s->buf_size,
+    ff_lzw_encode_init(s->lzw, s->buf, 2 * width * height,
                        12, FF_LZW_GIF, put_bits);
 
     ptr = buf + y_start*linesize + x_start;
@@ -232,8 +231,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
     s->transparent_index = -1;
 
     s->lzw = av_mallocz(ff_lzw_encode_state_size);
-    s->buf_size = avctx->width*avctx->height*2 + 1000;
-    s->buf = av_malloc(s->buf_size);
+    s->buf = av_malloc(avctx->width*avctx->height*2);
     s->tmpl = av_malloc(avctx->width);
     if (!s->tmpl || !s->buf || !s->lzw)
         return AVERROR(ENOMEM);
@@ -323,7 +321,6 @@ static int gif_encode_close(AVCodecContext *avctx)
 
     av_freep(&s->lzw);
     av_freep(&s->buf);
-    s->buf_size = 0;
     av_frame_free(&s->last_frame);
     av_freep(&s->tmpl);
     return 0;

libavcodec/golomb.h

@@ -68,7 +68,7 @@ static inline int get_ue_golomb(GetBitContext *gb)
         int log = 2 * av_log2(buf) - 31;
         LAST_SKIP_BITS(re, gb, 32 - log);
         CLOSE_READER(re, gb);
-        if (log < 7) {
+        if (CONFIG_FTRAPV && log < 0) {
             av_log(NULL, AV_LOG_ERROR, "Invalid UE golomb code\n");
             return AVERROR_INVALIDDATA;
         }

libavcodec/h264.c

@@ -1587,9 +1587,7 @@ again:
 #endif
                     } else
                         context_count++;
-                } else
-                    sl->ref_count[0] = sl->ref_count[1] = 0;
-            break;
+                }
                 break;
             case NAL_DPA:
             case NAL_DPB:
@@ -1654,8 +1652,8 @@ again:
                     av_log(h->avctx, AV_LOG_ERROR, "decode_slice_header error\n");
                 sl->ref_count[0] = sl->ref_count[1] = sl->list_count = 0;
             } else if (err == SLICE_SINGLETHREAD) {
-                if (context_count > 0) {
-                    ret = ff_h264_execute_decode_slices(h, context_count);
+                if (context_count > 1) {
+                    ret = ff_h264_execute_decode_slices(h, context_count - 1);
                     if (ret < 0 && (h->avctx->err_recognition & AV_EF_EXPLODE))
                         goto end;
                     context_count = 0;
@@ -1676,47 +1674,6 @@ again:
 
     ret = 0;
 end:
-
-#if CONFIG_ERROR_RESILIENCE
-    sl = h->slice_ctx;
-    /*
-     * FIXME: Error handling code does not seem to support interlaced
-     * when slices span multiple rows
-     * The ff_er_add_slice calls don't work right for bottom
-     * fields; they cause massive erroneous error concealing
-     * Error marking covers both fields (top and bottom).
-     * This causes a mismatched s->error_count
-     * and a bad error table. Further, the error count goes to
-     * INT_MAX when called for bottom field, because mb_y is
-     * past end by one (callers fault) and resync_mb_y != 0
-     * causes problems for the first MB line, too.
-     */
-    if (!FIELD_PICTURE(h) && h->current_slice && !h->sps.new && h->enable_er) {
-        int use_last_pic = h->last_pic_for_ec.f->buf[0] && !sl->ref_count[0];
-
-        ff_h264_set_erpic(&sl->er.cur_pic, h->cur_pic_ptr);
-
-        if (use_last_pic) {
-            ff_h264_set_erpic(&sl->er.last_pic, &h->last_pic_for_ec);
-            sl->ref_list[0][0].parent = &h->last_pic_for_ec;
-            memcpy(sl->ref_list[0][0].data, h->last_pic_for_ec.f->data, sizeof(sl->ref_list[0][0].data));
-            memcpy(sl->ref_list[0][0].linesize, h->last_pic_for_ec.f->linesize, sizeof(sl->ref_list[0][0].linesize));
-            sl->ref_list[0][0].reference = h->last_pic_for_ec.reference;
-        } else if (sl->ref_count[0]) {
-            ff_h264_set_erpic(&sl->er.last_pic, sl->ref_list[0][0].parent);
-        } else
-            ff_h264_set_erpic(&sl->er.last_pic, NULL);
-
-        if (sl->ref_count[1])
-            ff_h264_set_erpic(&sl->er.next_pic, sl->ref_list[1][0].parent);
-
-        sl->er.ref_count = sl->ref_count[0];
-
-        ff_er_frame_end(&sl->er);
-        if (use_last_pic)
-            memset(&sl->ref_list[0][0], 0, sizeof(sl->ref_list[0][0]));
-    }
-#endif /* CONFIG_ERROR_RESILIENCE */
     /* clean up */
     if (h->cur_pic_ptr && !h->droppable) {
         ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
@@ -1779,7 +1736,7 @@ static int is_extra(const uint8_t *buf, int buf_size)
     const uint8_t *p= buf+6;
     while(cnt--){
         int nalsize= AV_RB16(p) + 2;
-        if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 7)
+        if(nalsize > buf_size - (p-buf) || p[2]!=0x67)
             return 0;
         p += nalsize;
     }
@@ -1788,7 +1745,7 @@ static int is_extra(const uint8_t *buf, int buf_size)
         return 0;
     while(cnt--){
         int nalsize= AV_RB16(p) + 2;
-        if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 8)
+        if(nalsize > buf_size - (p-buf) || p[2]!=0x68)
             return 0;
         p += nalsize;
     }

libavcodec/h264_cabac.c

@@ -2026,7 +2026,6 @@ decode_intra_mb:
         const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
                             h->sps.bit_depth_luma >> 3;
         const uint8_t *ptr;
-        int ret;
 
         // We assume these blocks are very rare so we do not optimize it.
         // FIXME The two following lines get the bitstream position in the cabac
@@ -2043,9 +2042,7 @@ decode_intra_mb:
         sl->intra_pcm_ptr = ptr;
         ptr += mb_size;
 
-        ret = ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
-        if (ret < 0)
-            return ret;
+        ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
 
         // All blocks are present
         h->cbp_table[mb_xy] = 0xf7ef;

libavcodec/h264_mc_template.c

@@ -158,7 +158,6 @@ static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,
         }
     }
 
-    if (USES_LIST(mb_type, 1))
-        prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
+    prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
 }
 

libavcodec/h264_mp4toannexb_bsf.c

@@ -122,7 +122,7 @@ pps:
         if (!unit_nb && !sps_done++) {
             unit_nb = *extradata++; /* number of pps unit(s) */
             if (unit_nb) {
-                ctx->pps_offset = total_size;
+                ctx->pps_offset = (extradata - 1) - (avctx->extradata + 4);
                 pps_seen = 1;
             }
         }
@@ -276,7 +276,7 @@ static void h264_mp4toannexb_filter_close(AVBitStreamFilterContext *bsfc)
 {
     H264BSFContext *ctx = bsfc->priv_data;
     if (ctx->private_spspps)
-        av_freep(&ctx->spspps_buf);
+        av_free(ctx->spspps_buf);
 }
 
 AVBitStreamFilter ff_h264_mp4toannexb_bsf = {

libavcodec/h264_picture.c

@@ -186,6 +186,47 @@ int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup)
         ff_vdpau_h264_picture_complete(h);
 #endif
 
+#if CONFIG_ERROR_RESILIENCE
+    av_assert0(sl == h->slice_ctx);
+    /*
+     * FIXME: Error handling code does not seem to support interlaced
+     * when slices span multiple rows
+     * The ff_er_add_slice calls don't work right for bottom
+     * fields; they cause massive erroneous error concealing
+     * Error marking covers both fields (top and bottom).
+     * This causes a mismatched s->error_count
+     * and a bad error table. Further, the error count goes to
+     * INT_MAX when called for bottom field, because mb_y is
+     * past end by one (callers fault) and resync_mb_y != 0
+     * causes problems for the first MB line, too.
+     */
+    if (!FIELD_PICTURE(h) && h->current_slice && !h->sps.new && h->enable_er) {
+        int use_last_pic = h->last_pic_for_ec.f->buf[0] && !sl->ref_count[0];
+
+        ff_h264_set_erpic(&sl->er.cur_pic, h->cur_pic_ptr);
+
+        if (use_last_pic) {
+            ff_h264_set_erpic(&sl->er.last_pic, &h->last_pic_for_ec);
+            sl->ref_list[0][0].parent = &h->last_pic_for_ec;
+            memcpy(sl->ref_list[0][0].data, h->last_pic_for_ec.f->data, sizeof(sl->ref_list[0][0].data));
+            memcpy(sl->ref_list[0][0].linesize, h->last_pic_for_ec.f->linesize, sizeof(sl->ref_list[0][0].linesize));
+            sl->ref_list[0][0].reference = h->last_pic_for_ec.reference;
+        } else if (sl->ref_count[0]) {
+            ff_h264_set_erpic(&sl->er.last_pic, sl->ref_list[0][0].parent);
+        } else
+            ff_h264_set_erpic(&sl->er.last_pic, NULL);
+
+        if (sl->ref_count[1])
+            ff_h264_set_erpic(&sl->er.next_pic, sl->ref_list[1][0].parent);
+
+        sl->er.ref_count = sl->ref_count[0];
+
+        ff_er_frame_end(&sl->er);
+        if (use_last_pic)
+            memset(&sl->ref_list[0][0], 0, sizeof(sl->ref_list[0][0]));
+    }
+#endif /* CONFIG_ERROR_RESILIENCE */
+
     if (!in_setup && !h->droppable)
         ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
                                   h->picture_structure == PICT_BOTTOM_FIELD);

libavcodec/h264_refs.c

@@ -122,14 +122,6 @@ static int add_sorted(H264Picture **sorted, H264Picture **src, int len, int limi
     return out_i;
 }
 
-static int mismatches_ref(H264Context *h, H264Picture *pic)
-{
-    AVFrame *f = pic->f;
-    return (h->cur_pic_ptr->f->width  != f->width ||
-            h->cur_pic_ptr->f->height != f->height ||
-            h->cur_pic_ptr->f->format != f->format);
-}
-
 int ff_h264_fill_default_ref_list(H264Context *h, H264SliceContext *sl)
 {
     int i, len;
@@ -201,7 +193,10 @@ int ff_h264_fill_default_ref_list(H264Context *h, H264SliceContext *sl)
     for (j = 0; j<1+(sl->slice_type_nos == AV_PICTURE_TYPE_B); j++) {
         for (i = 0; i < sl->ref_count[j]; i++) {
             if (h->default_ref_list[j][i].parent) {
-                if (mismatches_ref(h, h->default_ref_list[j][i].parent)) {
+                AVFrame *f = h->default_ref_list[j][i].parent->f;
+                if (h->cur_pic_ptr->f->width  != f->width ||
+                    h->cur_pic_ptr->f->height != f->height ||
+                    h->cur_pic_ptr->f->format != f->format) {
                     av_log(h->avctx, AV_LOG_ERROR, "Discarding mismatching reference\n");
                     memset(&h->default_ref_list[j][i], 0, sizeof(h->default_ref_list[j][i]));
                 }
@@ -303,14 +298,14 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl)
 
                     long_idx = pic_num_extract(h, pic_id, &pic_structure);
 
-                    if (long_idx > 31U) {
+                    if (long_idx > 31) {
                         av_log(h->avctx, AV_LOG_ERROR,
                                "long_term_pic_idx overflow\n");
                         return AVERROR_INVALIDDATA;
                     }
                     ref = h->long_ref[long_idx];
                     assert(!(ref && !ref->reference));
-                    if (ref && (ref->reference & pic_structure) && !mismatches_ref(h, ref)) {
+                    if (ref && (ref->reference & pic_structure)) {
                         ref->pic_id = pic_id;
                         assert(ref->long_ref);
                         i = 0;

libavcodec/h264_sei.c

@@ -182,6 +182,8 @@ static int decode_registered_user_data_closed_caption(H264Context *h, int size)
         }
     } else {
         int i;
+        avpriv_request_sample(h->avctx, "Subtitles with data type 0x%02x",
+                              user_data_type_code);
         for (i = 0; i < size - 1; i++)
             skip_bits(&h->gb, 8);
     }

libavcodec/h264_slice.c

@@ -783,7 +783,7 @@ static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, in
             cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
         }
         if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
-            sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2 * cur_poc) {
+            sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) {
             sl->use_weight        = 0;
             sl->use_weight_chroma = 0;
             return;
@@ -804,7 +804,7 @@ static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, in
     sl->chroma_log2_weight_denom = 5;
 
     for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
-        int64_t poc0 = sl->ref_list[0][ref0].poc;
+        int poc0 = sl->ref_list[0][ref0].poc;
         for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
             int w = 32;
             if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
@@ -1097,7 +1097,6 @@ static int h264_slice_header_init(H264Context *h)
         nb_slices = max_slices;
     }
     h->slice_context_count = nb_slices;
-    h->max_contexts = FFMIN(h->max_contexts, nb_slices);
 
     if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
         ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
@@ -1178,15 +1177,6 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
                 av_log(h->avctx, AV_LOG_ERROR, "Too many fields\n");
                 return AVERROR_INVALIDDATA;
             }
-            if (h->max_contexts > 1) {
-                if (!h->single_decode_warning) {
-                    av_log(h->avctx, AV_LOG_WARNING, "Cannot decode multiple access units as slice threads\n");
-                    h->single_decode_warning = 1;
-                }
-                h->max_contexts = 1;
-                return SLICE_SINGLETHREAD;
-            }
-
             if (h->cur_pic_ptr && FIELD_PICTURE(h) && h->first_field) {
                 ret = ff_h264_field_end(h, h->slice_ctx, 1);
                 h->current_slice = 0;
@@ -1282,13 +1272,9 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)
 
     if (first_slice) {
         h->pps = *h->pps_buffers[pps_id];
-    } else {
-        if (h->pps.sps_id != pps->sps_id ||
-            h->pps.transform_8x8_mode != pps->transform_8x8_mode ||
-            (h->setup_finished && h->dequant_coeff_pps != pps_id)) {
-            av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
-            return AVERROR_INVALIDDATA;
-        }
+    } else if (h->setup_finished && h->dequant_coeff_pps != pps_id) {
+        av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
+        return AVERROR_INVALIDDATA;
     }
 
     if (pps->sps_id != h->sps.sps_id ||
@@ -1997,12 +1983,12 @@ static av_always_inline void fill_filter_caches_inter(const H264Context *h,
         if (USES_LIST(top_type, list)) {
             const int b_xy  = h->mb2b_xy[top_xy] + 3 * b_stride;
             const int b8_xy = 4 * top_xy + 2;
-            int *ref2frm = sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+            int (*ref2frm)[64] = (void*)(sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2));
             AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
             ref_cache[0 - 1 * 8] =
-            ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
+            ref_cache[1 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 0]];
             ref_cache[2 - 1 * 8] =
-            ref_cache[3 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 1]];
+            ref_cache[3 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 1]];
         } else {
             AV_ZERO128(mv_dst - 1 * 8);
             AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
@@ -2012,15 +1998,15 @@ static av_always_inline void fill_filter_caches_inter(const H264Context *h,
             if (USES_LIST(left_type[LTOP], list)) {
                 const int b_xy  = h->mb2b_xy[left_xy[LTOP]] + 3;
                 const int b8_xy = 4 * left_xy[LTOP] + 1;
-                int *ref2frm = sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+                int (*ref2frm)[64] =(void*)( sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2));
                 AV_COPY32(mv_dst - 1 +  0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
                 AV_COPY32(mv_dst - 1 +  8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
                 AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
                 AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
                 ref_cache[-1 +  0] =
-                ref_cache[-1 +  8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
+                ref_cache[-1 +  8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
                 ref_cache[-1 + 16] =
-                ref_cache[-1 + 24] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
+                ref_cache[-1 + 24] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
             } else {
                 AV_ZERO32(mv_dst - 1 +  0);
                 AV_ZERO32(mv_dst - 1 +  8);
@@ -2045,9 +2031,9 @@ static av_always_inline void fill_filter_caches_inter(const H264Context *h,
 
     {
         int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
-        int *ref2frm = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
-        uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
-        uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
+        int (*ref2frm)[64] = (void*)(sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2));
+        uint32_t ref01 = (pack16to32(ref2frm[list][ref[0]], ref2frm[list][ref[1]]) & 0x00FF00FF) * 0x0101;
+        uint32_t ref23 = (pack16to32(ref2frm[list][ref[2]], ref2frm[list][ref[3]]) & 0x00FF00FF) * 0x0101;
         AV_WN32A(&ref_cache[0 * 8], ref01);
         AV_WN32A(&ref_cache[1 * 8], ref01);
         AV_WN32A(&ref_cache[2 * 8], ref23);
@@ -2376,11 +2362,9 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
         align_get_bits(&sl->gb);
 
         /* init cabac */
-        ret = ff_init_cabac_decoder(&sl->cabac,
+        ff_init_cabac_decoder(&sl->cabac,
                               sl->gb.buffer + get_bits_count(&sl->gb) / 8,
                               (get_bits_left(&sl->gb) + 7) / 8);
-        if (ret < 0)
-            return ret;
 
         ff_h264_init_cabac_states(h, sl);
 

libavcodec/hevc.c

@@ -744,7 +744,7 @@ static int hls_slice_header(HEVCContext *s)
             av_freep(&sh->entry_point_offset);
             av_freep(&sh->offset);
             av_freep(&sh->size);
-            sh->entry_point_offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(unsigned));
+            sh->entry_point_offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(int));
             sh->offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(int));
             sh->size = av_malloc_array(sh->num_entry_point_offsets, sizeof(int));
             if (!sh->entry_point_offset || !sh->offset || !sh->size) {
@@ -809,8 +809,6 @@ static int hls_slice_header(HEVCContext *s)
     s->HEVClc->tu.cu_qp_offset_cb = 0;
     s->HEVClc->tu.cu_qp_offset_cr = 0;
 
-    s->no_rasl_output_flag = IS_IDR(s) || IS_BLA(s) || (s->nal_unit_type == NAL_CRA_NUT && s->last_eos);
-
     return 0;
 }
 
@@ -2440,8 +2438,8 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
     HEVCLocalContext *lc = s->HEVClc;
     int *ret = av_malloc_array(s->sh.num_entry_point_offsets + 1, sizeof(int));
     int *arg = av_malloc_array(s->sh.num_entry_point_offsets + 1, sizeof(int));
-    int64_t offset;
-    int64_t startheader, cmpt = 0;
+    int offset;
+    int startheader, cmpt = 0;
     int i, j, res = 0;
 
     if (!ret || !arg) {
@@ -2450,18 +2448,11 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
         return AVERROR(ENOMEM);
     }
 
-    if (s->sh.slice_ctb_addr_rs + s->sh.num_entry_point_offsets * s->ps.sps->ctb_width >= s->ps.sps->ctb_width * s->ps.sps->ctb_height) {
-        av_log(s->avctx, AV_LOG_ERROR, "WPP ctb addresses are wrong (%d %d %d %d)\n",
-            s->sh.slice_ctb_addr_rs, s->sh.num_entry_point_offsets,
-            s->ps.sps->ctb_width, s->ps.sps->ctb_height
-        );
-        res = AVERROR_INVALIDDATA;
-        goto error;
-    }
-
-    ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);
 
     if (!s->sList[1]) {
+        ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);
+
+
         for (i = 1; i < s->threads_number; i++) {
             s->sList[i] = av_malloc(sizeof(HEVCContext));
             memcpy(s->sList[i], s, sizeof(HEVCContext));
@@ -2494,11 +2485,6 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
     }
     if (s->sh.num_entry_point_offsets != 0) {
         offset += s->sh.entry_point_offset[s->sh.num_entry_point_offsets - 1] - cmpt;
-        if (length < offset) {
-            av_log(s->avctx, AV_LOG_ERROR, "entry_point_offset table is corrupted\n");
-            res = AVERROR_INVALIDDATA;
-            goto error;
-        }
         s->sh.size[s->sh.num_entry_point_offsets - 1] = length - offset;
         s->sh.offset[s->sh.num_entry_point_offsets - 1] = offset;
 
@@ -2525,7 +2511,6 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
 
     for (i = 0; i <= s->sh.num_entry_point_offsets; i++)
         res += ret[i];
-error:
     av_free(ret);
     av_free(arg);
     return res;
@@ -3150,7 +3135,6 @@ static int hevc_update_thread_context(AVCodecContext *dst,
     s->pocTid0    = s0->pocTid0;
     s->max_ra     = s0->max_ra;
     s->eos        = s0->eos;
-    s->no_rasl_output_flag = s0->no_rasl_output_flag;
 
     s->is_nalff        = s0->is_nalff;
     s->nal_length_size = s0->nal_length_size;
@@ -3255,7 +3239,6 @@ static av_cold int hevc_decode_init(AVCodecContext *avctx)
 
     s->enable_parallel_tiles = 0;
     s->picture_struct = 0;
-    s->eos = 1;
 
     if(avctx->active_thread_type & FF_THREAD_SLICE)
         s->threads_number = avctx->thread_count;
@@ -3297,7 +3280,6 @@ static void hevc_decode_flush(AVCodecContext *avctx)
     HEVCContext *s = avctx->priv_data;
     ff_hevc_flush_dpb(s);
     s->max_ra = INT_MAX;
-    s->eos = 1;
 }
 
 #define OFFSET(x) offsetof(HEVCContext, x)

libavcodec/hevc.h

@@ -622,7 +622,7 @@ typedef struct SliceHeader {
 
     unsigned int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand
 
-    unsigned *entry_point_offset;
+    int *entry_point_offset;
     int * offset;
     int * size;
     int num_entry_point_offsets;
@@ -866,7 +866,6 @@ typedef struct HEVCContext {
     int bs_height;
 
     int is_decoded;
-    int no_rasl_output_flag;
 
     HEVCPredContext hpc;
     HEVCDSPContext hevcdsp;

libavcodec/hevc_cabac.c

@@ -831,13 +831,11 @@ static av_always_inline int mvd_decode(HEVCContext *s)
     int k = 1;
 
     while (k < CABAC_MAX_BIN && get_cabac_bypass(&s->HEVClc->cc)) {
-        ret += 1U << k;
+        ret += 1 << k;
         k++;
     }
-    if (k == CABAC_MAX_BIN) {
+    if (k == CABAC_MAX_BIN)
         av_log(s->avctx, AV_LOG_ERROR, "CABAC_MAX_BIN : %d\n", k);
-        return 0;
-    }
     while (k--)
         ret += get_cabac_bypass(&s->HEVClc->cc) << k;
     return get_cabac_bypass_sign(&s->HEVClc->cc, -ret);
@@ -975,10 +973,8 @@ static av_always_inline int coeff_abs_level_remaining_decode(HEVCContext *s, int
 
     while (prefix < CABAC_MAX_BIN && get_cabac_bypass(&s->HEVClc->cc))
         prefix++;
-    if (prefix == CABAC_MAX_BIN) {
+    if (prefix == CABAC_MAX_BIN)
         av_log(s->avctx, AV_LOG_ERROR, "CABAC_MAX_BIN : %d\n", prefix);
-        return 0;
-    }
     if (prefix < 3) {
         for (i = 0; i < rc_rice_param; i++)
             suffix = (suffix << 1) | get_cabac_bypass(&s->HEVClc->cc);

libavcodec/hevc_parse.c

@@ -232,14 +232,8 @@ int ff_hevc_split_packet(HEVCContext *s, HEVCPacket *pkt, const uint8_t *buf, in
                 ++buf;
                 --length;
                 if (length < 4) {
-                    if (pkt->nb_nals > 0) {
-                        // No more start codes: we discarded some irrelevant
-                        // bytes at the end of the packet.
-                        return 0;
-                    } else {
-                        av_log(avctx, AV_LOG_ERROR, "No start code is found.\n");
-                        return AVERROR_INVALIDDATA;
-                    }
+                    av_log(avctx, AV_LOG_ERROR, "No start code is found.\n");
+                    return AVERROR_INVALIDDATA;
                 }
             }
 

libavcodec/hevc_ps.c

@@ -834,10 +834,6 @@ int ff_hevc_parse_sps(HEVCSPS *sps, GetBitContext *gb, unsigned int *sps_id,
     }
 
     sps->chroma_format_idc = get_ue_golomb_long(gb);
-    if (sps->chroma_format_idc > 3U) {
-        av_log(avctx, AV_LOG_ERROR, "chroma_format_idc %d is invalid\n", sps->chroma_format_idc);
-        return AVERROR_INVALIDDATA;
-    }
 
     if (sps->chroma_format_idc == 3)
         sps->separate_colour_plane_flag = get_bits1(gb);

libavcodec/hevc_refs.c

@@ -174,7 +174,7 @@ int ff_hevc_output_frame(HEVCContext *s, AVFrame *out, int flush)
         int min_poc   = INT_MAX;
         int i, min_idx, ret;
 
-        if (s->sh.no_output_of_prior_pics_flag == 1 && s->no_rasl_output_flag == 1) {
+        if (s->sh.no_output_of_prior_pics_flag == 1) {
             for (i = 0; i < FF_ARRAY_ELEMS(s->DPB); i++) {
                 HEVCFrame *frame = &s->DPB[i];
                 if (!(frame->flags & HEVC_FRAME_FLAG_BUMPING) && frame->poc != s->poc &&

libavcodec/hqx.c

@@ -417,8 +417,8 @@ static int hqx_decode_frame(AVCodecContext *avctx, void *data,
 
     info_tag    = AV_RL32(src);
     if (info_tag == MKTAG('I', 'N', 'F', 'O')) {
-        unsigned info_offset = AV_RL32(src + 4);
-        if (info_offset > INT_MAX || info_offset + 8 > avpkt->size) {
+        int info_offset = AV_RL32(src + 4);
+        if (info_offset > UINT32_MAX - 8 || info_offset + 8 > avpkt->size) {
             av_log(avctx, AV_LOG_ERROR,
                    "Invalid INFO header offset: 0x%08"PRIX32" is too large.\n",
                    info_offset);

libavcodec/idcinvideo.c

@@ -214,8 +214,7 @@ static int idcin_decode_frame(AVCodecContext *avctx,
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     IdcinContext *s = avctx->priv_data;
-    int pal_size;
-    const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &pal_size);
+    const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
     AVFrame *frame = data;
     int ret;
 
@@ -228,11 +227,9 @@ static int idcin_decode_frame(AVCodecContext *avctx,
     if (idcin_decode_vlcs(s, frame))
         return AVERROR_INVALIDDATA;
 
-    if (pal && pal_size == AVPALETTE_SIZE) {
+    if (pal) {
         frame->palette_has_changed = 1;
         memcpy(s->pal, pal, AVPALETTE_SIZE);
-    } else if (pal) {
-        av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
     }
     /* make the palette available on the way out */
     memcpy(frame->data[1], s->pal, AVPALETTE_SIZE);

libavcodec/imgconvert.c

@@ -236,41 +236,9 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
     int x_shift;
     int yheight;
     int i, y;
-    int max_step[4];
 
-    if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
-        return -1;
-
-    if (!is_yuv_planar(desc)) {
-        if (src)
-            return -1; //TODO: Not yet implemented
-
-        av_image_fill_max_pixsteps(max_step, NULL, desc);
-
-        if (padtop || padleft) {
-            memset(dst->data[0], color[0],
-                    dst->linesize[0] * padtop + (padleft * max_step[0]));
-        }
-
-        if (padleft || padright) {
-            optr = dst->data[0] + dst->linesize[0] * padtop +
-                    (dst->linesize[0] - (padright * max_step[0]));
-            yheight = height - 1 - (padtop + padbottom);
-            for (y = 0; y < yheight; y++) {
-                memset(optr, color[0], (padleft + padright) * max_step[0]);
-                optr += dst->linesize[0];
-            }
-        }
-
-        if (padbottom || padright) {
-            optr = dst->data[0] + dst->linesize[0] * (height - padbottom) -
-                    (padright * max_step[0]);
-            memset(optr, color[0], dst->linesize[0] * padbottom +
-                    (padright * max_step[0]));
-        }
-
-        return 0;
-    }
+    if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB ||
+        !is_yuv_planar(desc)) return -1;
 
     for (i = 0; i < 3; i++) {
         x_shift = i ? desc->log2_chroma_w : 0;
@@ -316,7 +284,6 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
                 (padbottom >> y_shift) + (padright >> x_shift));
         }
     }
-
     return 0;
 }
 

libavcodec/indeo2.c

@@ -146,7 +146,6 @@ static int ir2_decode_frame(AVCodecContext *avctx,
     AVFrame *picture     = data;
     AVFrame * const p    = s->picture;
     int start, ret;
-    int ltab, ctab;
 
     if ((ret = ff_reget_buffer(avctx, p)) < 0)
         return ret;
@@ -168,42 +167,34 @@ static int ir2_decode_frame(AVCodecContext *avctx,
 
     init_get_bits(&s->gb, buf + start, (buf_size - start) * 8);
 
-    ltab = buf[0x22] & 3;
-    ctab = buf[0x22] >> 2;
-
-    if (ctab > 3) {
-        av_log(avctx, AV_LOG_ERROR, "ctab %d is invalid\n", ctab);
-        return AVERROR_INVALIDDATA;
-    }
-
     if (s->decode_delta) { /* intraframe */
         if ((ret = ir2_decode_plane(s, avctx->width, avctx->height,
                                     p->data[0], p->linesize[0],
-                                    ir2_delta_table[ltab])) < 0)
+                                    ir2_luma_table)) < 0)
             return ret;
 
         /* swapped U and V */
         if ((ret = ir2_decode_plane(s, avctx->width >> 2, avctx->height >> 2,
                                     p->data[2], p->linesize[2],
-                                    ir2_delta_table[ctab])) < 0)
+                                    ir2_luma_table)) < 0)
             return ret;
         if ((ret = ir2_decode_plane(s, avctx->width >> 2, avctx->height >> 2,
                                     p->data[1], p->linesize[1],
-                                    ir2_delta_table[ctab])) < 0)
+                                    ir2_luma_table)) < 0)
             return ret;
     } else { /* interframe */
         if ((ret = ir2_decode_plane_inter(s, avctx->width, avctx->height,
                                           p->data[0], p->linesize[0],
-                                          ir2_delta_table[ltab])) < 0)
+                                          ir2_luma_table)) < 0)
             return ret;
         /* swapped U and V */
         if ((ret = ir2_decode_plane_inter(s, avctx->width >> 2, avctx->height >> 2,
                                           p->data[2], p->linesize[2],
-                                          ir2_delta_table[ctab])) < 0)
+                                          ir2_luma_table)) < 0)
             return ret;
         if ((ret = ir2_decode_plane_inter(s, avctx->width >> 2, avctx->height >> 2,
                                           p->data[1], p->linesize[1],
-                                          ir2_delta_table[ctab])) < 0)
+                                          ir2_luma_table)) < 0)
             return ret;
     }
 

libavcodec/indeo2data.h

@@ -27,211 +27,115 @@
 #define IR2_CODES 143
 static const uint16_t ir2_codes[IR2_CODES][2] = {
 #ifdef BITSTREAM_READER_LE
-    { 0x0000,  3 }, { 0x0004,  3 }, { 0x0006,  3 }, { 0x0001,  5 },
-    { 0x0009,  5 }, { 0x0019,  5 }, { 0x000D,  5 }, { 0x001D,  5 },
-    { 0x0023,  6 }, { 0x0013,  6 }, { 0x0033,  6 }, { 0x000B,  6 },
-    { 0x002B,  6 }, { 0x001B,  6 }, { 0x0007,  8 }, { 0x0087,  8 },
-    { 0x0027,  8 }, { 0x00A7,  8 }, { 0x0067,  8 }, { 0x00E7,  8 },
-    { 0x0097,  8 }, { 0x0057,  8 }, { 0x0037,  8 }, { 0x00B7,  8 },
-    { 0x00F7,  8 }, { 0x000F,  9 }, { 0x008F,  9 }, { 0x018F,  9 },
-    { 0x014F,  9 }, { 0x00CF,  9 }, { 0x002F,  9 }, { 0x012F,  9 },
-    { 0x01AF,  9 }, { 0x006F,  9 }, { 0x00EF,  9 }, { 0x01EF,  9 },
-    { 0x001F, 10 }, { 0x021F, 10 }, { 0x011F, 10 }, { 0x031F, 10 },
-    { 0x009F, 10 }, { 0x029F, 10 }, { 0x019F, 10 }, { 0x039F, 10 },
-    { 0x005F, 10 }, { 0x025F, 10 }, { 0x015F, 10 }, { 0x035F, 10 },
-    { 0x00DF, 10 }, { 0x02DF, 10 }, { 0x01DF, 10 }, { 0x03DF, 10 },
-    { 0x003F, 13 }, { 0x103F, 13 }, { 0x083F, 13 }, { 0x183F, 13 },
-    { 0x043F, 13 }, { 0x143F, 13 }, { 0x0C3F, 13 }, { 0x1C3F, 13 },
-    { 0x023F, 13 }, { 0x123F, 13 }, { 0x0A3F, 13 }, { 0x1A3F, 13 },
-    { 0x063F, 13 }, { 0x163F, 13 }, { 0x0E3F, 13 }, { 0x1E3F, 13 },
-    { 0x013F, 13 }, { 0x113F, 13 }, { 0x093F, 13 }, { 0x193F, 13 },
-    { 0x053F, 13 }, { 0x153F, 13 }, { 0x0D3F, 13 }, { 0x1D3F, 13 },
-    { 0x033F, 13 }, { 0x133F, 13 }, { 0x0B3F, 13 }, { 0x1B3F, 13 },
-    { 0x073F, 13 }, { 0x173F, 13 }, { 0x0F3F, 13 }, { 0x1F3F, 13 },
-    { 0x00BF, 13 }, { 0x10BF, 13 }, { 0x08BF, 13 }, { 0x18BF, 13 },
-    { 0x04BF, 13 }, { 0x14BF, 13 }, { 0x0CBF, 13 }, { 0x1CBF, 13 },
-    { 0x02BF, 13 }, { 0x12BF, 13 }, { 0x0ABF, 13 }, { 0x1ABF, 13 },
-    { 0x06BF, 13 }, { 0x16BF, 13 }, { 0x0EBF, 13 }, { 0x1EBF, 13 },
-    { 0x01BF, 13 }, { 0x11BF, 13 }, { 0x09BF, 13 }, { 0x19BF, 13 },
-    { 0x05BF, 13 }, { 0x15BF, 13 }, { 0x0DBF, 13 }, { 0x1DBF, 13 },
-    { 0x03BF, 13 }, { 0x13BF, 13 }, { 0x0BBF, 13 }, { 0x1BBF, 13 },
-    { 0x07BF, 13 }, { 0x17BF, 13 }, { 0x0FBF, 13 }, { 0x1FBF, 13 },
-    { 0x007F, 14 }, { 0x207F, 14 }, { 0x107F, 14 }, { 0x307F, 14 },
-    { 0x087F, 14 }, { 0x287F, 14 }, { 0x187F, 14 }, { 0x387F, 14 },
-    { 0x047F, 14 }, { 0x247F, 14 }, { 0x147F, 14 }, { 0x0002,  3 },
-    { 0x0011,  5 }, { 0x0005,  5 }, { 0x0015,  5 }, { 0x0003,  6 },
-    { 0x003B,  6 }, { 0x0047,  8 }, { 0x00C7,  8 }, { 0x0017,  8 },
-    { 0x00D7,  8 }, { 0x0077,  8 }, { 0x010F,  9 }, { 0x004F,  9 },
-    { 0x01CF,  9 }, { 0x00AF,  9 }, { 0x016F,  9 },
+{0x0000,  3}, {0x0004,  3}, {0x0006,  3}, {0x0001,  5},
+{0x0009,  5}, {0x0019,  5}, {0x000D,  5}, {0x001D,  5},
+{0x0023,  6}, {0x0013,  6}, {0x0033,  6}, {0x000B,  6},
+{0x002B,  6}, {0x001B,  6}, {0x0007,  8}, {0x0087,  8},
+{0x0027,  8}, {0x00A7,  8}, {0x0067,  8}, {0x00E7,  8},
+{0x0097,  8}, {0x0057,  8}, {0x0037,  8}, {0x00B7,  8},
+{0x00F7,  8}, {0x000F,  9}, {0x008F,  9}, {0x018F,  9},
+{0x014F,  9}, {0x00CF,  9}, {0x002F,  9}, {0x012F,  9},
+{0x01AF,  9}, {0x006F,  9}, {0x00EF,  9}, {0x01EF,  9},
+{0x001F, 10}, {0x021F, 10}, {0x011F, 10}, {0x031F, 10},
+{0x009F, 10}, {0x029F, 10}, {0x019F, 10}, {0x039F, 10},
+{0x005F, 10}, {0x025F, 10}, {0x015F, 10}, {0x035F, 10},
+{0x00DF, 10}, {0x02DF, 10}, {0x01DF, 10}, {0x03DF, 10},
+{0x003F, 13}, {0x103F, 13}, {0x083F, 13}, {0x183F, 13},
+{0x043F, 13}, {0x143F, 13}, {0x0C3F, 13}, {0x1C3F, 13},
+{0x023F, 13}, {0x123F, 13}, {0x0A3F, 13}, {0x1A3F, 13},
+{0x063F, 13}, {0x163F, 13}, {0x0E3F, 13}, {0x1E3F, 13},
+{0x013F, 13}, {0x113F, 13}, {0x093F, 13}, {0x193F, 13},
+{0x053F, 13}, {0x153F, 13}, {0x0D3F, 13}, {0x1D3F, 13},
+{0x033F, 13}, {0x133F, 13}, {0x0B3F, 13}, {0x1B3F, 13},
+{0x073F, 13}, {0x173F, 13}, {0x0F3F, 13}, {0x1F3F, 13},
+{0x00BF, 13}, {0x10BF, 13}, {0x08BF, 13}, {0x18BF, 13},
+{0x04BF, 13}, {0x14BF, 13}, {0x0CBF, 13}, {0x1CBF, 13},
+{0x02BF, 13}, {0x12BF, 13}, {0x0ABF, 13}, {0x1ABF, 13},
+{0x06BF, 13}, {0x16BF, 13}, {0x0EBF, 13}, {0x1EBF, 13},
+{0x01BF, 13}, {0x11BF, 13}, {0x09BF, 13}, {0x19BF, 13},
+{0x05BF, 13}, {0x15BF, 13}, {0x0DBF, 13}, {0x1DBF, 13},
+{0x03BF, 13}, {0x13BF, 13}, {0x0BBF, 13}, {0x1BBF, 13},
+{0x07BF, 13}, {0x17BF, 13}, {0x0FBF, 13}, {0x1FBF, 13},
+{0x007F, 14}, {0x207F, 14}, {0x107F, 14}, {0x307F, 14},
+{0x087F, 14}, {0x287F, 14}, {0x187F, 14}, {0x387F, 14},
+{0x047F, 14}, {0x247F, 14}, {0x147F, 14}, {0x0002,  3},
+{0x0011,  5}, {0x0005,  5}, {0x0015,  5}, {0x0003,  6},
+{0x003B,  6}, {0x0047,  8}, {0x00C7,  8}, {0x0017,  8},
+{0x00D7,  8}, {0x0077,  8}, {0x010F,  9}, {0x004F,  9},
+{0x01CF,  9}, {0x00AF,  9}, {0x016F,  9},
 #else
-    { 0x0000,  3 }, { 0x0001,  3 }, { 0x0003,  3 }, { 0x0010,  5 },
-    { 0x0012,  5 }, { 0x0013,  5 }, { 0x0016,  5 }, { 0x0017,  5 },
-    { 0x0031,  6 }, { 0x0032,  6 }, { 0x0033,  6 }, { 0x0034,  6 },
-    { 0x0035,  6 }, { 0x0036,  6 }, { 0x00E0,  8 }, { 0x00E1,  8 },
-    { 0x00E4,  8 }, { 0x00E5,  8 }, { 0x00E6,  8 }, { 0x00E7,  8 },
-    { 0x00E9,  8 }, { 0x00EA,  8 }, { 0x00EC,  8 }, { 0x00ED,  8 },
-    { 0x00EF,  8 }, { 0x01E0,  9 }, { 0x01E2,  9 }, { 0x01E3,  9 },
-    { 0x01E5,  9 }, { 0x01E6,  9 }, { 0x01E8,  9 }, { 0x01E9,  9 },
-    { 0x01EB,  9 }, { 0x01EC,  9 }, { 0x01EE,  9 }, { 0x01EF,  9 },
-    { 0x03E0, 10 }, { 0x03E1, 10 }, { 0x03E2, 10 }, { 0x03E3, 10 },
-    { 0x03E4, 10 }, { 0x03E5, 10 }, { 0x03E6, 10 }, { 0x03E7, 10 },
-    { 0x03E8, 10 }, { 0x03E9, 10 }, { 0x03EA, 10 }, { 0x03EB, 10 },
-    { 0x03EC, 10 }, { 0x03ED, 10 }, { 0x03EE, 10 }, { 0x03EF, 10 },
-    { 0x1F80, 13 }, { 0x1F81, 13 }, { 0x1F82, 13 }, { 0x1F83, 13 },
-    { 0x1F84, 13 }, { 0x1F85, 13 }, { 0x1F86, 13 }, { 0x1F87, 13 },
-    { 0x1F88, 13 }, { 0x1F89, 13 }, { 0x1F8A, 13 }, { 0x1F8B, 13 },
-    { 0x1F8C, 13 }, { 0x1F8D, 13 }, { 0x1F8E, 13 }, { 0x1F8F, 13 },
-    { 0x1F90, 13 }, { 0x1F91, 13 }, { 0x1F92, 13 }, { 0x1F93, 13 },
-    { 0x1F94, 13 }, { 0x1F95, 13 }, { 0x1F96, 13 }, { 0x1F97, 13 },
-    { 0x1F98, 13 }, { 0x1F99, 13 }, { 0x1F9A, 13 }, { 0x1F9B, 13 },
-    { 0x1F9C, 13 }, { 0x1F9D, 13 }, { 0x1F9E, 13 }, { 0x1F9F, 13 },
-    { 0x1FA0, 13 }, { 0x1FA1, 13 }, { 0x1FA2, 13 }, { 0x1FA3, 13 },
-    { 0x1FA4, 13 }, { 0x1FA5, 13 }, { 0x1FA6, 13 }, { 0x1FA7, 13 },
-    { 0x1FA8, 13 }, { 0x1FA9, 13 }, { 0x1FAA, 13 }, { 0x1FAB, 13 },
-    { 0x1FAC, 13 }, { 0x1FAD, 13 }, { 0x1FAE, 13 }, { 0x1FAF, 13 },
-    { 0x1FB0, 13 }, { 0x1FB1, 13 }, { 0x1FB2, 13 }, { 0x1FB3, 13 },
-    { 0x1FB4, 13 }, { 0x1FB5, 13 }, { 0x1FB6, 13 }, { 0x1FB7, 13 },
-    { 0x1FB8, 13 }, { 0x1FB9, 13 }, { 0x1FBA, 13 }, { 0x1FBB, 13 },
-    { 0x1FBC, 13 }, { 0x1FBD, 13 }, { 0x1FBE, 13 }, { 0x1FBF, 13 },
-    { 0x3F80, 14 }, { 0x3F81, 14 }, { 0x3F82, 14 }, { 0x3F83, 14 },
-    { 0x3F84, 14 }, { 0x3F85, 14 }, { 0x3F86, 14 }, { 0x3F87, 14 },
-    { 0x3F88, 14 }, { 0x3F89, 14 }, { 0x3F8A, 14 }, { 0x0002,  3 },
-    { 0x0011,  5 }, { 0x0014,  5 }, { 0x0015,  5 }, { 0x0030,  6 },
-    { 0x0037,  6 }, { 0x00E2,  8 }, { 0x00E3,  8 }, { 0x00E8,  8 },
-    { 0x00EB,  8 }, { 0x00EE,  8 }, { 0x01E1,  9 }, { 0x01E4,  9 },
-    { 0x01E7,  9 }, { 0x01EA,  9 }, { 0x01ED,  9 },
+    {0x0000,  3}, {0x0001,  3}, {0x0003,  3}, {0x0010,  5},
+    {0x0012,  5}, {0x0013,  5}, {0x0016,  5}, {0x0017,  5},
+    {0x0031,  6}, {0x0032,  6}, {0x0033,  6}, {0x0034,  6},
+    {0x0035,  6}, {0x0036,  6}, {0x00E0,  8}, {0x00E1,  8},
+    {0x00E4,  8}, {0x00E5,  8}, {0x00E6,  8}, {0x00E7,  8},
+    {0x00E9,  8}, {0x00EA,  8}, {0x00EC,  8}, {0x00ED,  8},
+    {0x00EF,  8}, {0x01E0,  9}, {0x01E2,  9}, {0x01E3,  9},
+    {0x01E5,  9}, {0x01E6,  9}, {0x01E8,  9}, {0x01E9,  9},
+    {0x01EB,  9}, {0x01EC,  9}, {0x01EE,  9}, {0x01EF,  9},
+    {0x03E0, 10}, {0x03E1, 10}, {0x03E2, 10}, {0x03E3, 10},
+    {0x03E4, 10}, {0x03E5, 10}, {0x03E6, 10}, {0x03E7, 10},
+    {0x03E8, 10}, {0x03E9, 10}, {0x03EA, 10}, {0x03EB, 10},
+    {0x03EC, 10}, {0x03ED, 10}, {0x03EE, 10}, {0x03EF, 10},
+    {0x1F80, 13}, {0x1F81, 13}, {0x1F82, 13}, {0x1F83, 13},
+    {0x1F84, 13}, {0x1F85, 13}, {0x1F86, 13}, {0x1F87, 13},
+    {0x1F88, 13}, {0x1F89, 13}, {0x1F8A, 13}, {0x1F8B, 13},
+    {0x1F8C, 13}, {0x1F8D, 13}, {0x1F8E, 13}, {0x1F8F, 13},
+    {0x1F90, 13}, {0x1F91, 13}, {0x1F92, 13}, {0x1F93, 13},
+    {0x1F94, 13}, {0x1F95, 13}, {0x1F96, 13}, {0x1F97, 13},
+    {0x1F98, 13}, {0x1F99, 13}, {0x1F9A, 13}, {0x1F9B, 13},
+    {0x1F9C, 13}, {0x1F9D, 13}, {0x1F9E, 13}, {0x1F9F, 13},
+    {0x1FA0, 13}, {0x1FA1, 13}, {0x1FA2, 13}, {0x1FA3, 13},
+    {0x1FA4, 13}, {0x1FA5, 13}, {0x1FA6, 13}, {0x1FA7, 13},
+    {0x1FA8, 13}, {0x1FA9, 13}, {0x1FAA, 13}, {0x1FAB, 13},
+    {0x1FAC, 13}, {0x1FAD, 13}, {0x1FAE, 13}, {0x1FAF, 13},
+    {0x1FB0, 13}, {0x1FB1, 13}, {0x1FB2, 13}, {0x1FB3, 13},
+    {0x1FB4, 13}, {0x1FB5, 13}, {0x1FB6, 13}, {0x1FB7, 13},
+    {0x1FB8, 13}, {0x1FB9, 13}, {0x1FBA, 13}, {0x1FBB, 13},
+    {0x1FBC, 13}, {0x1FBD, 13}, {0x1FBE, 13}, {0x1FBF, 13},
+    {0x3F80, 14}, {0x3F81, 14}, {0x3F82, 14}, {0x3F83, 14},
+    {0x3F84, 14}, {0x3F85, 14}, {0x3F86, 14}, {0x3F87, 14},
+    {0x3F88, 14}, {0x3F89, 14}, {0x3F8A, 14}, {0x0002,  3},
+    {0x0011,  5}, {0x0014,  5}, {0x0015,  5}, {0x0030,  6},
+    {0x0037,  6}, {0x00E2,  8}, {0x00E3,  8}, {0x00E8,  8},
+    {0x00EB,  8}, {0x00EE,  8}, {0x01E1,  9}, {0x01E4,  9},
+    {0x01E7,  9}, {0x01EA,  9}, {0x01ED,  9}
 #endif
 };
 
-static const uint8_t ir2_delta_table[4][256] = {
-    { 0x80, 0x80, 0x84, 0x84, 0x7C, 0x7C, 0x7F, 0x85,
-      0x81, 0x7B, 0x85, 0x7F, 0x7B, 0x81, 0x8C, 0x8C,
-      0x74, 0x74, 0x83, 0x8D, 0x7D, 0x73, 0x8D, 0x83,
-      0x73, 0x7D, 0x77, 0x89, 0x89, 0x77, 0x89, 0x77,
-      0x77, 0x89, 0x8C, 0x95, 0x74, 0x6B, 0x95, 0x8C,
-      0x6B, 0x74, 0x7C, 0x90, 0x84, 0x70, 0x90, 0x7C,
-      0x70, 0x84, 0x96, 0x96, 0x6A, 0x6A, 0x82, 0x98,
-      0x7E, 0x68, 0x98, 0x82, 0x68, 0x7E, 0x97, 0xA2,
-      0x69, 0x5E, 0xA2, 0x97, 0x5E, 0x69, 0xA2, 0xA2,
-      0x5E, 0x5E, 0x8B, 0xA3, 0x75, 0x5D, 0xA3, 0x8B,
-      0x5D, 0x75, 0x71, 0x95, 0x8F, 0x6B, 0x95, 0x71,
-      0x6B, 0x8F, 0x78, 0x9D, 0x88, 0x63, 0x9D, 0x78,
-      0x63, 0x88, 0x7F, 0xA7, 0x81, 0x59, 0xA7, 0x7F,
-      0x59, 0x81, 0xA4, 0xB1, 0x5C, 0x4F, 0xB1, 0xA4,
-      0x4F, 0x5C, 0x96, 0xB1, 0x6A, 0x4F, 0xB1, 0x96,
-      0x4F, 0x6A, 0xB2, 0xB2, 0x4E, 0x4E, 0x65, 0x9B,
-      0x9B, 0x65, 0x9B, 0x65, 0x65, 0x9B, 0x89, 0xB4,
-      0x77, 0x4C, 0xB4, 0x89, 0x4C, 0x77, 0x6A, 0xA3,
-      0x96, 0x5D, 0xA3, 0x6A, 0x5D, 0x96, 0x73, 0xAC,
-      0x8D, 0x54, 0xAC, 0x73, 0x54, 0x8D, 0xB4, 0xC3,
-      0x4C, 0x3D, 0xC3, 0xB4, 0x3D, 0x4C, 0xA4, 0xC3,
-      0x5C, 0x3D, 0xC3, 0xA4, 0x3D, 0x5C, 0xC4, 0xC4,
-      0x3C, 0x3C, 0x96, 0xC6, 0x6A, 0x3A, 0xC6, 0x96,
-      0x3A, 0x6A, 0x7C, 0xBA, 0x84, 0x46, 0xBA, 0x7C,
-      0x46, 0x84, 0x5B, 0xAB, 0xA5, 0x55, 0xAB, 0x5B,
-      0x55, 0xA5, 0x63, 0xB4, 0x9D, 0x4C, 0xB4, 0x63,
-      0x4C, 0x9D, 0x86, 0xCA, 0x7A, 0x36, 0xCA, 0x86,
-      0x36, 0x7A, 0xB6, 0xD7, 0x4A, 0x29, 0xD7, 0xB6,
-      0x29, 0x4A, 0xC8, 0xD7, 0x38, 0x29, 0xD7, 0xC8,
-      0x29, 0x38, 0xA4, 0xD8, 0x5C, 0x28, 0xD8, 0xA4,
-      0x28, 0x5C, 0x6C, 0xC1, 0x94, 0x3F, 0xC1, 0x6C,
-      0x3F, 0x94, 0xD9, 0xD9, 0x27, 0x27, 0x80, 0x80, },
-    { 0x80, 0x80, 0x85, 0x85, 0x7B, 0x7B, 0x7E, 0x87,
-      0x82, 0x79, 0x87, 0x7E, 0x79, 0x82, 0x8F, 0x8F,
-      0x71, 0x71, 0x84, 0x8F, 0x7C, 0x71, 0x8F, 0x84,
-      0x71, 0x7C, 0x75, 0x8B, 0x8B, 0x75, 0x8B, 0x75,
-      0x75, 0x8B, 0x8E, 0x9A, 0x72, 0x66, 0x9A, 0x8E,
-      0x66, 0x72, 0x7B, 0x93, 0x85, 0x6D, 0x93, 0x7B,
-      0x6D, 0x85, 0x9B, 0x9B, 0x65, 0x65, 0x82, 0x9D,
-      0x7E, 0x63, 0x9D, 0x82, 0x63, 0x7E, 0x9B, 0xA8,
-      0x65, 0x58, 0xA8, 0x9B, 0x58, 0x65, 0xA9, 0xA9,
-      0x57, 0x57, 0x8D, 0xAA, 0x73, 0x56, 0xAA, 0x8D,
-      0x56, 0x73, 0x6E, 0x99, 0x92, 0x67, 0x99, 0x6E,
-      0x67, 0x92, 0x76, 0xA2, 0x8A, 0x5E, 0xA2, 0x76,
-      0x5E, 0x8A, 0x7F, 0xAF, 0x81, 0x51, 0xAF, 0x7F,
-      0x51, 0x81, 0xAB, 0xBA, 0x55, 0x46, 0xBA, 0xAB,
-      0x46, 0x55, 0x9A, 0xBB, 0x66, 0x45, 0xBB, 0x9A,
-      0x45, 0x66, 0xBB, 0xBB, 0x45, 0x45, 0x60, 0xA0,
-      0xA0, 0x60, 0xA0, 0x60, 0x60, 0xA0, 0x8B, 0xBE,
-      0x75, 0x42, 0xBE, 0x8B, 0x42, 0x75, 0x66, 0xAA,
-      0x9A, 0x56, 0xAA, 0x66, 0x56, 0x9A, 0x70, 0xB5,
-      0x90, 0x4B, 0xB5, 0x70, 0x4B, 0x90, 0xBE, 0xCF,
-      0x42, 0x31, 0xCF, 0xBE, 0x31, 0x42, 0xAB, 0xD0,
-      0x55, 0x30, 0xD0, 0xAB, 0x30, 0x55, 0xD1, 0xD1,
-      0x2F, 0x2F, 0x9A, 0xD3, 0x66, 0x2D, 0xD3, 0x9A,
-      0x2D, 0x66, 0x7B, 0xC5, 0x85, 0x3B, 0xC5, 0x7B,
-      0x3B, 0x85, 0x54, 0xB4, 0xAC, 0x4C, 0xB4, 0x54,
-      0x4C, 0xAC, 0x5E, 0xBE, 0xA2, 0x42, 0xBE, 0x5E,
-      0x42, 0xA2, 0x87, 0xD8, 0x79, 0x28, 0xD8, 0x87,
-      0x28, 0x79, 0xC0, 0xE8, 0x40, 0x18, 0xE8, 0xC0,
-      0x18, 0x40, 0xD5, 0xE8, 0x2B, 0x18, 0xE8, 0xD5,
-      0x18, 0x2B, 0xAB, 0xE9, 0x55, 0x17, 0xE9, 0xAB,
-      0x17, 0x55, 0x68, 0xCD, 0x98, 0x33, 0xCD, 0x68,
-      0x33, 0x98, 0xEA, 0xEA, 0x16, 0x16, 0x80, 0x80, },
-    { 0x80, 0x80, 0x86, 0x86, 0x7A, 0x7A, 0x7E, 0x88,
-      0x82, 0x78, 0x88, 0x7E, 0x78, 0x82, 0x92, 0x92,
-      0x6E, 0x6E, 0x85, 0x92, 0x7B, 0x6E, 0x92, 0x85,
-      0x6E, 0x7B, 0x73, 0x8D, 0x8D, 0x73, 0x8D, 0x73,
-      0x73, 0x8D, 0x91, 0x9E, 0x6F, 0x62, 0x9E, 0x91,
-      0x62, 0x6F, 0x79, 0x97, 0x87, 0x69, 0x97, 0x79,
-      0x69, 0x87, 0xA0, 0xA0, 0x60, 0x60, 0x83, 0xA2,
-      0x7D, 0x5E, 0xA2, 0x83, 0x5E, 0x7D, 0xA0, 0xB0,
-      0x60, 0x50, 0xB0, 0xA0, 0x50, 0x60, 0xB1, 0xB1,
-      0x4F, 0x4F, 0x8F, 0xB2, 0x71, 0x4E, 0xB2, 0x8F,
-      0x4E, 0x71, 0x6B, 0x9E, 0x95, 0x62, 0x9E, 0x6B,
-      0x62, 0x95, 0x74, 0xA9, 0x8C, 0x57, 0xA9, 0x74,
-      0x57, 0x8C, 0x7F, 0xB8, 0x81, 0x48, 0xB8, 0x7F,
-      0x48, 0x81, 0xB4, 0xC5, 0x4C, 0x3B, 0xC5, 0xB4,
-      0x3B, 0x4C, 0x9F, 0xC6, 0x61, 0x3A, 0xC6, 0x9F,
-      0x3A, 0x61, 0xC6, 0xC6, 0x3A, 0x3A, 0x59, 0xA7,
-      0xA7, 0x59, 0xA7, 0x59, 0x59, 0xA7, 0x8D, 0xCA,
-      0x73, 0x36, 0xCA, 0x8D, 0x36, 0x73, 0x61, 0xB2,
-      0x9F, 0x4E, 0xB2, 0x61, 0x4E, 0x9F, 0x6D, 0xBF,
-      0x93, 0x41, 0xBF, 0x6D, 0x41, 0x93, 0xCA, 0xDF,
-      0x36, 0x21, 0xDF, 0xCA, 0x21, 0x36, 0xB3, 0xDF,
-      0x4D, 0x21, 0xDF, 0xB3, 0x21, 0x4D, 0xE1, 0xE1,
-      0x1F, 0x1F, 0x9F, 0xE3, 0x61, 0x1D, 0xE3, 0x9F,
-      0x1D, 0x61, 0x7A, 0xD3, 0x86, 0x2D, 0xD3, 0x7A,
-      0x2D, 0x86, 0x4C, 0xBE, 0xB4, 0x42, 0xBE, 0x4C,
-      0x42, 0xB4, 0x57, 0xCA, 0xA9, 0x36, 0xCA, 0x57,
-      0x36, 0xA9, 0x88, 0xE9, 0x78, 0x17, 0xE9, 0x88,
-      0x17, 0x78, 0xCC, 0xFB, 0x34, 0x05, 0xFB, 0xCC,
-      0x05, 0x34, 0xE6, 0xFB, 0x1A, 0x05, 0xFB, 0xE6,
-      0x05, 0x1A, 0xB4, 0xFD, 0x4C, 0x03, 0xFD, 0xB4,
-      0x03, 0x4C, 0x63, 0xDC, 0x9D, 0x24, 0xDC, 0x63,
-      0x24, 0x9D, 0xFE, 0xFE, 0x02, 0x02, 0x80, 0x80, },
-    { 0x80, 0x80, 0x87, 0x87, 0x79, 0x79, 0x7E, 0x89,
-      0x82, 0x77, 0x89, 0x7E, 0x77, 0x82, 0x95, 0x95,
-      0x6B, 0x6B, 0x86, 0x96, 0x7A, 0x6A, 0x96, 0x86,
-      0x6A, 0x7A, 0x70, 0x90, 0x90, 0x70, 0x90, 0x70,
-      0x70, 0x90, 0x94, 0xA4, 0x6C, 0x5C, 0xA4, 0x94,
-      0x5C, 0x6C, 0x78, 0x9B, 0x88, 0x65, 0x9B, 0x78,
-      0x65, 0x88, 0xA6, 0xA6, 0x5A, 0x5A, 0x83, 0xA9,
-      0x7D, 0x57, 0xA9, 0x83, 0x57, 0x7D, 0xA6, 0xB9,
-      0x5A, 0x47, 0xB9, 0xA6, 0x47, 0x5A, 0xBA, 0xBA,
-      0x46, 0x46, 0x92, 0xBC, 0x6E, 0x44, 0xBC, 0x92,
-      0x44, 0x6E, 0x67, 0xA3, 0x99, 0x5D, 0xA3, 0x67,
-      0x5D, 0x99, 0x72, 0xB0, 0x8E, 0x50, 0xB0, 0x72,
-      0x50, 0x8E, 0x7F, 0xC3, 0x81, 0x3D, 0xC3, 0x7F,
-      0x3D, 0x81, 0xBE, 0xD2, 0x42, 0x2E, 0xD2, 0xBE,
-      0x2E, 0x42, 0xA5, 0xD4, 0x5B, 0x2C, 0xD4, 0xA5,
-      0x2C, 0x5B, 0xD4, 0xD4, 0x2C, 0x2C, 0x52, 0xAE,
-      0xAE, 0x52, 0xAE, 0x52, 0x52, 0xAE, 0x8F, 0xD8,
-      0x71, 0x28, 0xD8, 0x8F, 0x28, 0x71, 0x5B, 0xBB,
-      0xA5, 0x45, 0xBB, 0x5B, 0x45, 0xA5, 0x69, 0xCB,
-      0x97, 0x35, 0xCB, 0x69, 0x35, 0x97, 0xD8, 0xF0,
-      0x28, 0x10, 0xF0, 0xD8, 0x10, 0x28, 0xBD, 0xF1,
-      0x43, 0x0F, 0xF1, 0xBD, 0x0F, 0x43, 0xF3, 0xF3,
-      0x0D, 0x0D, 0xA5, 0xF6, 0x5B, 0x0A, 0xF6, 0xA5,
-      0x0A, 0x5B, 0x78, 0xE2, 0x88, 0x1E, 0xE2, 0x78,
-      0x1E, 0x88, 0x42, 0xC9, 0xBE, 0x37, 0xC9, 0x42,
-      0x37, 0xBE, 0x4F, 0xD8, 0xB1, 0x28, 0xD8, 0x4F,
-      0x28, 0xB1, 0x8A, 0xFD, 0x76, 0x03, 0xFD, 0x8A,
-      0x03, 0x76, 0xDB, 0xFF, 0x25, 0x01, 0xFF, 0xDB,
-      0x01, 0x25, 0xF9, 0xFF, 0x07, 0x01, 0xFF, 0xF9,
-      0x01, 0x07, 0xBE, 0xFF, 0x42, 0x01, 0xFF, 0xBE,
-      0x01, 0x42, 0x5E, 0xED, 0xA2, 0x13, 0xED, 0x5E,
-      0x13, 0xA2, 0xFF, 0xFF, 0x01, 0x01, 0x80, 0x80, },
+static const uint8_t ir2_luma_table[256] = {
+ 0x80, 0x80, 0x84, 0x84, 0x7C, 0x7C, 0x7F, 0x85,
+ 0x81, 0x7B, 0x85, 0x7F, 0x7B, 0x81, 0x8C, 0x8C,
+ 0x74, 0x74, 0x83, 0x8D, 0x7D, 0x73, 0x8D, 0x83,
+ 0x73, 0x7D, 0x77, 0x89, 0x89, 0x77, 0x89, 0x77,
+ 0x77, 0x89, 0x8C, 0x95, 0x74, 0x6B, 0x95, 0x8C,
+ 0x6B, 0x74, 0x7C, 0x90, 0x84, 0x70, 0x90, 0x7C,
+ 0x70, 0x84, 0x96, 0x96, 0x6A, 0x6A, 0x82, 0x98,
+ 0x7E, 0x68, 0x98, 0x82, 0x68, 0x7E, 0x97, 0xA2,
+ 0x69, 0x5E, 0xA2, 0x97, 0x5E, 0x69, 0xA2, 0xA2,
+ 0x5E, 0x5E, 0x8B, 0xA3, 0x75, 0x5D, 0xA3, 0x8B,
+ 0x5D, 0x75, 0x71, 0x95, 0x8F, 0x6B, 0x95, 0x71,
+ 0x6B, 0x8F, 0x78, 0x9D, 0x88, 0x63, 0x9D, 0x78,
+ 0x63, 0x88, 0x7F, 0xA7, 0x81, 0x59, 0xA7, 0x7F,
+ 0x59, 0x81, 0xA4, 0xB1, 0x5C, 0x4F, 0xB1, 0xA4,
+ 0x4F, 0x5C, 0x96, 0xB1, 0x6A, 0x4F, 0xB1, 0x96,
+ 0x4F, 0x6A, 0xB2, 0xB2, 0x4E, 0x4E, 0x65, 0x9B,
+ 0x9B, 0x65, 0x9B, 0x65, 0x65, 0x9B, 0x89, 0xB4,
+ 0x77, 0x4C, 0xB4, 0x89, 0x4C, 0x77, 0x6A, 0xA3,
+ 0x96, 0x5D, 0xA3, 0x6A, 0x5D, 0x96, 0x73, 0xAC,
+ 0x8D, 0x54, 0xAC, 0x73, 0x54, 0x8D, 0xB4, 0xC3,
+ 0x4C, 0x3D, 0xC3, 0xB4, 0x3D, 0x4C, 0xA4, 0xC3,
+ 0x5C, 0x3D, 0xC3, 0xA4, 0x3D, 0x5C, 0xC4, 0xC4,
+ 0x3C, 0x3C, 0x96, 0xC6, 0x6A, 0x3A, 0xC6, 0x96,
+ 0x3A, 0x6A, 0x7C, 0xBA, 0x84, 0x46, 0xBA, 0x7C,
+ 0x46, 0x84, 0x5B, 0xAB, 0xA5, 0x55, 0xAB, 0x5B,
+ 0x55, 0xA5, 0x63, 0xB4, 0x9D, 0x4C, 0xB4, 0x63,
+ 0x4C, 0x9D, 0x86, 0xCA, 0x7A, 0x36, 0xCA, 0x86,
+ 0x36, 0x7A, 0xB6, 0xD7, 0x4A, 0x29, 0xD7, 0xB6,
+ 0x29, 0x4A, 0xC8, 0xD7, 0x38, 0x29, 0xD7, 0xC8,
+ 0x29, 0x38, 0xA4, 0xD8, 0x5C, 0x28, 0xD8, 0xA4,
+ 0x28, 0x5C, 0x6C, 0xC1, 0x94, 0x3F, 0xC1, 0x6C,
+ 0x3F, 0x94, 0xD9, 0xD9, 0x27, 0x27, 0x80, 0x80
 };
 
 #endif /* AVCODEC_INDEO2DATA_H */

libavcodec/interplayvideo.c

@@ -38,7 +38,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "hpeldsp.h"
@@ -950,7 +949,7 @@ static void ipvideo_decode_opcodes(IpvideoContext *s, AVFrame *frame)
         }
     }
     if (bytestream2_get_bytes_left(&s->stream_ptr) > 1) {
-        av_log(s->avctx, AV_LOG_DEBUG,
+        av_log(s->avctx, AV_LOG_ERROR,
                "decode finished with %d bytes left over\n",
                bytestream2_get_bytes_left(&s->stream_ptr));
     }
@@ -988,38 +987,31 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
     AVFrame *frame = data;
     int ret;
 
+    /* decoding map contains 4 bits of information per 8x8 block */
+    s->decoding_map_size = avctx->width * avctx->height / (8 * 8 * 2);
+
+    /* compressed buffer needs to be large enough to at least hold an entire
+     * decoding map */
+    if (buf_size < s->decoding_map_size)
+        return buf_size;
+
     if (av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, NULL)) {
         av_frame_unref(s->last_frame);
         av_frame_unref(s->second_last_frame);
     }
 
-    if (buf_size < 2)
-        return AVERROR_INVALIDDATA;
-
-    /* decoding map contains 4 bits of information per 8x8 block */
-    s->decoding_map_size = AV_RL16(avpkt->data);
-
-    /* compressed buffer needs to be large enough to at least hold an entire
-     * decoding map */
-    if (buf_size < s->decoding_map_size + 2)
-        return buf_size;
-
-
-    s->decoding_map = buf + 2;
-    bytestream2_init(&s->stream_ptr, buf + 2 + s->decoding_map_size,
+    s->decoding_map = buf;
+    bytestream2_init(&s->stream_ptr, buf + s->decoding_map_size,
                      buf_size - s->decoding_map_size);
 
     if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
         return ret;
 
     if (!s->is_16bpp) {
-        int size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
-        if (pal && size == AVPALETTE_SIZE) {
+        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
+        if (pal) {
             frame->palette_has_changed = 1;
             memcpy(s->pal, pal, AVPALETTE_SIZE);
-        } else if (pal) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
         }
     }
 

libavcodec/ituh263dec.c

@@ -167,7 +167,6 @@ static int h263_decode_gob_header(MpegEncContext *s)
         /* We have a GBSC probably with GSTUFF */
     skip_bits(&s->gb, 16); /* Drop the zeros */
     left= get_bits_left(&s->gb);
-    left = FFMIN(left, 32);
     //MN: we must check the bits left or we might end in a infinite loop (or segfault)
     for(;left>13; left--){
         if(get_bits1(&s->gb)) break; /* Seek the '1' bit */

libavcodec/ituh263enc.c

@@ -45,7 +45,7 @@
 /**
  * Table of number of bits a motion vector component needs.
  */
-static uint8_t mv_penalty[MAX_FCODE+1][MAX_DMV*2+1];
+static uint8_t mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
 
 /**
  * Minimal fcode that a motion vector component would need.
@@ -678,7 +678,7 @@ static av_cold void init_mv_penalty_and_fcode(MpegEncContext *s)
     int mv;
 
     for(f_code=1; f_code<=MAX_FCODE; f_code++){
-        for(mv=-MAX_DMV; mv<=MAX_DMV; mv++){
+        for(mv=-MAX_MV; mv<=MAX_MV; mv++){
             int len;
 
             if(mv==0) len= ff_mvtab[0][1];
@@ -699,7 +699,7 @@ static av_cold void init_mv_penalty_and_fcode(MpegEncContext *s)
                 }
             }
 
-            mv_penalty[f_code][mv+MAX_DMV]= len;
+            mv_penalty[f_code][mv+MAX_MV]= len;
         }
     }