avdevice/decklink_dec: fix bitrate calculations

Reviewed-by: Deti Fliegl <deti@fliegl.de> Signed-off-by: Marton Balint <cus@passwd.hu>
2016-06-26 19:17:29 +02:00
174 changed files with 625 additions and 1672 deletions
@@ -1,241 +1,8 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.

-version 3.1.7:
- 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
- ffserver_config: Setup codecpar in add_codec()
- 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/dca_lbr: Fix off by 1 error in freq check
- 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()
- avcodec/omx: Do not pass negative value into av_malloc()
- 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/mp3dec: fix msan warning when verifying mpa header
- avformat/utils: Print verbose error message if stream count exceeds max_streams
- avformat/options_table: Set the default maximum number of streams to 1000
- pgssubdec: reset rle_data_len/rle_remaining_len on allocation error
- 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
- avfilter/vf_hwupload_cuda: Add min/max limits for the 'device' option
- configure: check for strtoull on msvc
-
-version 3.1.6:
- 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.
- 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
- avcodec/rawdec: check for side data before checking its size
- 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
- avformat/utils: Fix type mismatch
- 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
- avformat/flvdec: Fix regression losing streams
- avcodec/dvdsubdec: Fix off by 1 error
- avformat/isom: Fix old API regression with exporting max bitrate
- avcodec/dvdsubdec: Fix buf_size check
- vp9: change order of operations in adapt_prob().
- avcodec/interplayvideo: Check side data size before use
- 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
- flvdec: require need_context_update when changing codec id
- pgssubdec: only set w/h/linesize when allocating data
- sbgdec: prevent NULL pointer access
- rmdec: validate block alignment
- smacker: limit recursion depth of smacker_decode_bigtree
- mxfdec: fix NULL pointer dereference in mxf_read_packet_old
- ffmdec: validate codec parameters
- exr: reindent after previous commit
- exr: fix out-of-bounds read
- libschroedingerdec: fix leaking of framewithpts
- libschroedingerdec: don't produce empty frames
- softfloat: handle -INT_MAX correctly
- filmstripdec: correctly check image dimensions
- pnmdec: make sure v is capped by maxval
- smvjpegdec: make sure cur_frame is not negative
- icodec: correctly check avio_read return value
- dvbsubdec: fix division by zero in compute_default_clut
- proresdec_lgpl: explicitly check coff[3] against slice_data_size
- escape124: reject codebook size 0
- icodec: add ico_read_close to fix leaking ico->images
- icodec: fix leaking pkt on error
- 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
- lzf: update pointer p after realloc
- diracdec: check return code of get_buffer_with_edge
- ppc: pixblockdsp: do unaligned block accesses correctly again
- interplayacm: increase bitstream buffer size by AV_INPUT_BUFFER_PADDING_SIZE
- interplayacm: validate number of channels
- interplayacm: check for too large b
- mpeg12dec: unref discarded picture from extradata
- cavsdec: unref frame before referencing again
- dcstr: fix division by zero
- aiff: check block_align in aiff_read_packet
- rsd: limit number of channels
- avformat: prevent triggering request_probe assert in ff_read_packet
- westwood_aud: prevent division by zero
- astdec: fix division by zero
- aiffdec: fix division by zero
- avcodec/avpacket: fix leak on realloc in av_packet_add_side_data()
-
-version 3.1.5:
- 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*()
- doc/examples/demuxing_decoding: Drop AVFrame->pts use
- libopenjpegenc: fix out-of-bounds reads when filling the edges
- libopenjpegenc: stop reusing image data buffer for openjpeg 2
- configure: fix detection of libopenjpeg
- doc: fix various typos and grammar errors
- avformat/utils: Update codec_id before using it in the parser init
- cmdutils: fix typos
- lavfi: fix typos
- lavc: fix typos
- tools: fix grammar error
- ffmpeg: remove unused and errorneous AVFrame timestamp check
- Support for MIPS cpu P6600
- avutil/mips/generic_macros_msa: rename macro variable which causes segfault for mips r6
-
-version 3.1.4:
- avformat/avidec: Check nb_streams in read_gab2_sub()
- avformat/avidec: Remove ancient assert
- avfilter/vf_colorspace: fix range for output colorspace option
- lavc/mediacodecdec_h264: fix SODB escaping
- avcodec/nvenc: fix const options for hevc gpu setting
- avformat/avidec: Fix memleak with dv in avi
- lavc/movtextdec.c: Avoid infinite loop on invalid data.
- avcodec/ansi: Check dimensions
- avcodec/cavsdsp: use av_clip_uint8() for idct
- 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
- avformat/movenc: Check first DTS similar to dts difference
- avcodec/ccaption_dec: Use simple array instead of AVBuffer
- avcodec/svq3: Reintroduce slice_type
- avformat/mov: Fix potential integer overflow in mov_read_keys
- 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()
- lavf/utils: Avoid an overflow for huge negative durations.
- avformat/hls: Fix handling of EXT-X-BYTERANGE streams over 2GB
- lavc/avpacket: Fix undefined behaviour, do not pass a null pointer to memcpy().
- lavc/mjpegdec: Do not skip reading quantization tables.
- cmdutils: fix implicit declaration of SetDllDirectory function
-
-version 3.1.3:
- examples/demuxing_decoding: convert to codecpar
- avcodec/exr: Check tile positions
- avcodec/aacenc: Tighter input checks
- avformat/wtvdec: Check pointer before use
- libavcodec/wmalosslessdec: Check the remaining bits
- avcodec/adpcm: Fix adpcm_ima_wav padding
- avcodec/svq3: fix slice size check
- avcodec/diracdec: Check numx/y
- avcodec/h2645_parse: fix nal size
- avcodec/h2645_parse: Use get_nalsize() in ff_h2645_packet_split()
- h2645_parse: only read avc length code at the correct position
- h2645_parse: don't overread AnnexB NALs within an avc stream
- avcodec/h264_parser: Factor get_avc_nalsize() out
- avcodec/cfhd: Increase minimum band dimension to 3
- avcodec/indeo2: check ctab
- avformat/swfdec: Fix inflate() error code check
- avcodec/rawdec: Fix bits_per_coded_sample checks
- vcodec/h2645_parse: Clear buffer padding
- avcodec/h2645: Fix NAL unit padding
- avfilter/drawutils: Fix single plane with alpha
- cmdutils: check for SetDllDirectory() availability
-
-version 3.1.2:
- cmdutils: remove the current working directory from the DLL search path on win32
- avcodec/rawdec: Fix palette handling with changing palettes
- avcodec/raw: Fix decoding of ilacetest.mov
- avformat/mov: Enable mp3 parsing if a packet needs it
- avformat/hls: Use an array instead of stream offset for stream mapping
- avformat/hls: Sync starting segment across variants on live streams
- avformat/hls: Fix regression with ranged media segments
- avcodec/ffv1enc: Fix assertion failure with non zero bits per sample
- avfilter/af_hdcd: small fix in af_hdcd.c where gain was not being adjusted for "attenuate slowly"
- avformat/oggdec: Fix integer overflow with invalid pts
- ffplay: Fix invalid array index
- avcodec/alacenc: allocate bigger packets (cherry picked from commit 82b84c71b009884c8d041361027718b19922c76d)
- libavcodec/dnxhd: Enable 12-bit DNxHR support.
- lavc/vaapi_encode_h26x: Fix a crash if "." is not the decimal separator.
- jni: Return ENOSYS on unsupported platforms
- lavu/hwcontext_vaapi: Fix compilation if VA_FOURCC_ABGR is not defined.
- avcodec/vp9_parser: Check the input frame sizes for being consistent
- avformat/flvdec: parse keyframe before a\v stream was created add_keyframes_index() when stream created or keyframe parsed
- avformat/flvdec: splitting add_keyframes_index() out from parse_keyframes_index()
- libavformat/rtpdec_asf: zero initialize the AVIOContext struct
- libavutil/opt: Small bugfix in example.
- libx264: Increase x264 opts character limit to 4096
- avcodec/h264_parser: Set sps/pps_ref
- librtmp: Avoid an infiniloop setting connection arguments
- avformat/oggparsevp8: fix pts calculation on pages ending with an invisible frame
- lavc/Makefile: Fix standalone compilation of the svq3 decoder.
- lavf/vplayerdec: Improve auto-detection.
- lavc/mediacodecdec_h264: properly convert extradata to annex-b
- Revert "configure: Enable GCC vectorization on ≥4.9 on x86"
-
-version 3.1.1:
- doc/APIchanges: document the lavu/lavf field moves
- avformat/avformat: Move new field to the end of AVStream
- avformat/utils: update deprecated AVStream->codec when the context is updated
- avutil/frame: Move new field to the end of AVFrame
- libavcodec/exr : fix decoding piz float file.
- avformat/mov: Check sample size
- lavfi: Move new field to the end of AVFilterContext
- lavfi: Move new field to the end of AVFilterLink
- ffplay: Fix usage of private lavfi API
- lavc/mediacodecdec_h264: add missing NAL headers to SPS/PPS buffers
- lavc/pnm_parser: disable parsing for text based PNMs
+version <next>:
+- YUY2 Lossless Codec decoder


 version 3.1:
@@ -281,8 +48,6 @@ version 3.1:
 - CUDA CUVID H264/HEVC decoder
 - 10-bit depth support in native utvideo decoder
 - libutvideo wrapper removed
- YUY2 Lossless Codec decoder
- VideoToolbox H.264 encoder


 version 3.0:
@@ -1 +1 @@
-3.1.7
+3.0.git
@@ -1,15 +0,0 @@
-
-              ┌────────────────────────────────────────┐
-              │ RELEASE NOTES for FFmpeg 3.1 "Laplace" │
-              └────────────────────────────────────────┘
-
-   The FFmpeg Project proudly presents FFmpeg 3.1 "Laplace", about 4
-   months after the release of FFmpeg 3.0.
-
-   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.
@@ -61,9 +61,6 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 #endif
-#if HAVE_SETDLLDIRECTORY
-#include <windows.h>
-#endif

 static int init_report(const char *env);

@@ -110,15 +107,6 @@ 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))
@@ -2111,7 +2099,7 @@ 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");
@@ -2141,7 +2129,7 @@ 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");
@@ -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);
@@ -1935,7 +1935,6 @@ SYSTEM_FUNCS="
    sched_getaffinity
    SetConsoleTextAttribute
    SetConsoleCtrlHandler
-    SetDllDirectory
    setmode
    setrlimit
    Sleep
@@ -4336,7 +4335,7 @@ elif enabled mips; then
                enable mips32r2
                disable msa
            ;;
-            p5600|i6400|p6600)
+            p5600|i6400)
                disable mipsdsp
                disable mipsdspr2
            ;;
@@ -4401,10 +4400,6 @@ elif enabled mips; then
                enable mips64r6
                check_cflags "-mtune=i6400 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
            ;;
-            p6600)
-                enable mips64r6
-                check_cflags "-mtune=p6600 -mabi=64" && check_cflags "-msched-weight -mload-store-pairs -funroll-loops" && check_ldflags "-mabi=64"
-            ;;
        esac
    else
        # We do not disable anything. Is up to the user to disable the unwanted features.
@@ -4534,7 +4529,7 @@ fi

 add_cppflags -D_ISOC99_SOURCE
 add_cxxflags -D__STDC_CONSTANT_MACROS
-add_cxxflags -std=c++98
+add_cxxflags -std=c++11
 check_cflags -std=c99
 check_cc -D_FILE_OFFSET_BITS=64 <<EOF && add_cppflags -D_FILE_OFFSET_BITS=64
 #include <stdlib.h>
@@ -5480,7 +5475,6 @@ 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
@@ -5675,11 +5669,10 @@ enabled libopencv         && { check_header opencv2/core/core_c.h &&
                                 require opencv opencv2/core/core_c.h cvCreateImageHeader -lopencv_core -lopencv_imgproc; } ||
                               require_pkg_config opencv opencv/cxcore.h cvCreateImageHeader; }
 enabled libopenh264       && require_pkg_config openh264 wels/codec_api.h WelsGetCodecVersion
-enabled libopenjpeg       && { { check_lib2 openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
-                               check_lib2 openjpeg-2.1/openjpeg.h opj_version -lopenjp2 ||
-                               { check_lib2 openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
-                               { check_lib2 openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
-                               { check_lib2 openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC && add_cppflags -DOPJ_STATIC; } ||
+enabled libopenjpeg       && { check_lib openjpeg-2.1/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
+                               check_lib openjpeg-2.0/openjpeg.h opj_version -lopenjp2 -DOPJ_STATIC ||
+                               check_lib openjpeg-1.5/openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
+                               check_lib openjpeg.h opj_version -lopenjpeg -DOPJ_STATIC ||
                               die "ERROR: libopenjpeg not found"; }
 enabled libopus           && require_pkg_config opus opus_multistream.h opus_multistream_decoder_create
 enabled libpulse          && require_pkg_config libpulse pulse/pulseaudio.h pa_context_new
@@ -6132,7 +6125,11 @@ elif enabled ccc; then
    add_cflags -msg_disable nonstandcast
    add_cflags -msg_disable unsupieee
 elif enabled gcc; then
-    check_optflags -fno-tree-vectorize
+    case $gcc_basever in
+        4.9*) enabled x86 || check_optflags -fno-tree-vectorize ;;
+        4.*)                 check_optflags -fno-tree-vectorize ;;
+        *)    enabled x86 || check_optflags -fno-tree-vectorize ;;
+    esac
    check_cflags -Werror=format-security
    check_cflags -Werror=implicit-function-declaration
    check_cflags -Werror=missing-prototypes
@@ -6197,7 +6194,6 @@ __declspec($_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
@@ -6624,7 +6620,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2017
+#define CONFIG_THIS_YEAR 2016
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
@@ -15,30 +15,14 @@ libavutil:     2015-08-28

 API changes, most recent first:

-2016-06-30 - c1c7e0ab - lavf 57.41.100 - avformat.h
-  Moved codecpar field from AVStream to the end of the struct, so that
-  the following private fields are in the same location as in FFmpeg 3.0 (lavf 57.25.100).
-
-2016-06-30 - 042fb69d - lavu 55.28.100 - frame.h
-  Moved hw_frames_ctx field from AVFrame to the end of the struct, so that
-  the following private fields are in the same location as in FFmpeg 3.0 (lavu 55.17.103).
-
-2016-06-29 - 1a751455 - lavfi 6.47.100 - avfilter.h
-  Fix accidental ABI breakage in AVFilterContext.
-  ABI was broken in 8688d3a, lavfi 6.42.100 and released as ffmpeg 3.1.
-
-  Because of this, ffmpeg and ffplay built against lavfi>=6.42.100 will not be
-  compatible with lavfi>=6.47.100. Potentially also affects other users of
-  libavfilter if they are using one of the affected fields.
-
-------- 8< --------- FFmpeg 3.1 was cut here -------- 8< ---------
-
-2016-06-26 - 481f320 / 1c9e861 - lavu 55.27.100 / 55.13.0 - hwcontext.h
+2016-06-26 - xxxxxxx / 1c9e861 - lavu 55.27.100 / 55.13.0 - hwcontext.h
  Add av_hwdevice_ctx_create().

-2016-06-26 - b95534b / e47b8bb - lavc 57.48.101 / 57.19.1 - avcodec.h
+2016-06-26 - xxxxxxx / e47b8bb - lavc 57.48.101 / 57.19.1 - avcodec.h
  Adjust values for JPEG 2000 profiles.

+-------- 8< --------- FFmpeg 3.1 was cut here -------- 8< ---------
+
 2016-06-23 - 5d75e46 / db7968b - lavf 57.40.100 / 57.7.0 - avio.h
  Add AVIODataMarkerType, write_data_type, ignore_boundary_point and
  avio_write_marker.
@@ -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         = 3.1.7
+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
@@ -1173,7 +1173,7 @@ Set to 1 to disable processing alpha (transparency). This works like the
 instead of alpha. Default is 0.

@item codec_whitelist @var{list} (@emph{input})
-"," separated list of allowed decoders. By default all are allowed.
+"," separated List of allowed decoders. By default all are allowed.

@item dump_separator @var{string} (@emph{input})
 Separator used to separate the fields printed on the command line about the
@@ -72,7 +72,7 @@ Do not try to resynchronize by looking for a certain optional start code.
 Virtual concatenation script demuxer.

 This demuxer reads a list of files and other directives from a text file and
-demuxes them one after the other, as if all their packets had been muxed
+demuxes them one after the other, as if all their packet had been muxed
 together.

 The timestamps in the files are adjusted so that the first file starts at 0
@@ -107,7 +107,7 @@ Identify the script type and version. It also sets the @option{safe} option
 to 1 if it was -1.

 To make FFmpeg recognize the format automatically, this directive must
-appear exactly as is (no extra space or byte-order-mark) on the very first
+appears exactly as is (no extra space or byte-order-mark) on the very first
 line of the script.

@item @code{duration @var{dur}}
@@ -93,9 +93,10 @@ static int decode_packet(int *got_frame, int cached)
                return -1;
            }

-            printf("video_frame%s n:%d coded_n:%d\n",
+            printf("video_frame%s n:%d coded_n:%d pts:%s\n",
                   cached ? "(cached)" : "",
-                   video_frame_count++, frame->coded_picture_number);
+                   video_frame_count++, frame->coded_picture_number,
+                   av_ts2timestr(frame->pts, &video_dec_ctx->time_base));

            /* copy decoded frame to destination buffer:
             * this is required since rawvideo expects non aligned data */
@@ -147,10 +148,11 @@ static int decode_packet(int *got_frame, int cached)
 }

 static int open_codec_context(int *stream_idx,
-                              AVCodecContext **dec_ctx, AVFormatContext *fmt_ctx, enum AVMediaType type)
+                              AVFormatContext *fmt_ctx, enum AVMediaType type)
 {
    int ret, stream_index;
    AVStream *st;
+    AVCodecContext *dec_ctx = NULL;
    AVCodec *dec = NULL;
    AVDictionary *opts = NULL;

@@ -164,31 +166,17 @@ static int open_codec_context(int *stream_idx,
        st = fmt_ctx->streams[stream_index];

        /* find decoder for the stream */
-        dec = avcodec_find_decoder(st->codecpar->codec_id);
+        dec_ctx = st->codec;
+        dec = avcodec_find_decoder(dec_ctx->codec_id);
        if (!dec) {
            fprintf(stderr, "Failed to find %s codec\n",
                    av_get_media_type_string(type));
            return AVERROR(EINVAL);
        }

-        /* Allocate a codec context for the decoder */
-        *dec_ctx = avcodec_alloc_context3(dec);
-        if (!*dec_ctx) {
-            fprintf(stderr, "Failed to allocate the %s codec context\n",
-                    av_get_media_type_string(type));
-            return AVERROR(ENOMEM);
-        }
-
-        /* Copy codec parameters from input stream to output codec context */
-        if ((ret = avcodec_parameters_to_context(*dec_ctx, st->codecpar)) < 0) {
-            fprintf(stderr, "Failed to copy %s codec parameters to decoder context\n",
-                    av_get_media_type_string(type));
-            return ret;
-        }
-
        /* Init the decoders, with or without reference counting */
        av_dict_set(&opts, "refcounted_frames", refcount ? "1" : "0", 0);
-        if ((ret = avcodec_open2(*dec_ctx, dec, &opts)) < 0) {
+        if ((ret = avcodec_open2(dec_ctx, dec, &opts)) < 0) {
            fprintf(stderr, "Failed to open %s codec\n",
                    av_get_media_type_string(type));
            return ret;
@@ -267,8 +255,9 @@ int main (int argc, char **argv)
        exit(1);
    }

-    if (open_codec_context(&video_stream_idx, &video_dec_ctx, fmt_ctx, AVMEDIA_TYPE_VIDEO) >= 0) {
+    if (open_codec_context(&video_stream_idx, fmt_ctx, AVMEDIA_TYPE_VIDEO) >= 0) {
        video_stream = fmt_ctx->streams[video_stream_idx];
+        video_dec_ctx = video_stream->codec;

        video_dst_file = fopen(video_dst_filename, "wb");
        if (!video_dst_file) {
@@ -290,8 +279,9 @@ int main (int argc, char **argv)
        video_dst_bufsize = ret;
    }

-    if (open_codec_context(&audio_stream_idx, &audio_dec_ctx, fmt_ctx, AVMEDIA_TYPE_AUDIO) >= 0) {
+    if (open_codec_context(&audio_stream_idx, fmt_ctx, AVMEDIA_TYPE_AUDIO) >= 0) {
        audio_stream = fmt_ctx->streams[audio_stream_idx];
+        audio_dec_ctx = audio_stream->codec;
        audio_dst_file = fopen(audio_dst_filename, "wb");
        if (!audio_dst_file) {
            fprintf(stderr, "Could not open destination file %s\n", audio_dst_filename);
@@ -379,8 +369,8 @@ int main (int argc, char **argv)
    }

 end:
-    avcodec_free_context(&video_dec_ctx);
-    avcodec_free_context(&audio_dec_ctx);
+    avcodec_close(video_dec_ctx);
+    avcodec_close(audio_dec_ctx);
    avformat_close_input(&fmt_ctx);
    if (video_dst_file)
        fclose(video_dst_file);
@@ -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.
@@ -281,7 +281,7 @@ 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,
@@ -310,7 +310,7 @@ 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,
@@ -1008,7 +1008,7 @@ Dump each input packet to stderr.
@item -hex (@emph{global})
 When dumping packets, also dump the payload.
@item -re (@emph{input})
-Read input at native frame rate. Mainly used to simulate a grab device,
+Read input at native frame rate. Mainly used to simulate a grab device.
 or live input stream (e.g. when reading from a file). Should not be used
 with actual grab devices or live input streams (where it can cause packet
 loss).
@@ -1129,7 +1129,7 @@ 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})
@@ -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
@@ -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
@@ -176,10 +176,10 @@ loglevel will be used. If multiple loglevel parameters are given, using
 Show nothing at all; be silent.
@item panic, 0
 Only show fatal errors which could lead the process to crash, such as
-an assertion failure. This is not currently used for anything.
+and assert failure. This is not currently used for anything.
@item fatal, 8
 Only show fatal errors. These are errors after which the process absolutely
-cannot continue.
+cannot continue after.
@item error, 16
 Show all errors, including ones which can be recovered from.
@item warning, 24
@@ -195,13 +195,13 @@ Show everything, including debugging information.
@item trace, 56
@end table

-By default the program logs to stderr. If coloring is supported by the
+By default the program logs to stderr, if coloring is supported by the
 terminal, colors are used to mark errors and warnings. Log coloring
 can be disabled setting the environment variable
@env{AV_LOG_FORCE_NOCOLOR} or @env{NO_COLOR}, or can be forced setting
 the environment variable @env{AV_LOG_FORCE_COLOR}.
 The use of the environment variable @env{NO_COLOR} is deprecated and
-will be dropped in a future FFmpeg version.
+will be dropped in a following FFmpeg version.

@item -report
 Dump full command line and console output to a file named
@@ -845,14 +845,14 @@ A gate is mainly used to reduce lower parts of a signal. This kind of signal
 processing reduces disturbing noise between useful signals.

 Gating is done by detecting the volume below a chosen level @var{threshold}
-and dividing it by the factor set with @var{ratio}. The bottom of the noise
+and divide it by the factor set with @var{ratio}. The bottom of the noise
 floor is set via @var{range}. Because an exact manipulation of the signal
 would cause distortion of the waveform the reduction can be levelled over
 time. This is done by setting @var{attack} and @var{release}.

@var{attack} determines how long the signal has to fall below the threshold
 before any reduction will occur and @var{release} sets the time the signal
-has to rise above the threshold to reduce the reduction again.
+has to raise above the threshold to reduce the reduction again.
 Shorter signals than the chosen attack time will be left untouched.

@table @option
@@ -869,7 +869,7 @@ If a signal rises above this level the gain reduction is released.
 Default is 0.125. Allowed range is from 0 to 1.

@item ratio
-Set a ratio by which the signal is reduced.
+Set a ratio about which the signal is reduced.
 Default is 2. Allowed range is from 1 to 9000.

@item attack
@@ -892,19 +892,19 @@ Default is 2.828427125. Allowed range is from 1 to 8.

@item detection
 Choose if exact signal should be taken for detection or an RMS like one.
-Default is @code{rms}. Can be @code{peak} or @code{rms}.
+Default is rms. Can be peak or rms.

@item link
 Choose if the average level between all channels or the louder channel affects
 the reduction.
-Default is @code{average}. Can be @code{average} or @code{maximum}.
+Default is average. Can be average or maximum.
@end table

@section alimiter

-The limiter prevents an input signal from rising over a desired threshold.
+The limiter prevents input signal from raising over a desired threshold.
 This limiter uses lookahead technology to prevent your signal from distorting.
-It means that there is a small delay after the signal is processed. Keep in mind
+It means that there is a small delay after signal is processed. Keep in mind
 that the delay it produces is the attack time you set.

 The filter accepts the following options:
@@ -1353,7 +1353,7 @@ Set the number of samples per each output audio frame.

 The last output packet may contain a different number of samples, as
 the filter will flush all the remaining samples when the input audio
-signals its end.
+signal its end.

 The filter accepts the following options:

@@ -2445,7 +2445,7 @@ filtering with large delay. Default is disabled.
 Enable multichannels evaluation on gain. Default is disabled.

@item zero_phase
-Enable zero phase mode by subtracting timestamp to compensate delay.
+Enable zero phase mode by substracting timestamp to compensate delay.
 Default is disabled.
@end table

@@ -3216,7 +3216,7 @@ Can be specified in dB (in case "dB" is appended to the specified value)
 or amplitude ratio. Default value is @code{0}.

@item leave_silence
-This indicates that @var{stop_duration} length of audio should be left intact
+This indicate that @var{stop_duration} length of audio should be left intact
 at the beginning of each period of silence.
 For example, if you want to remove long pauses between words but do not want
 to remove the pauses completely. Default value is @code{0}.
@@ -6622,10 +6622,10 @@ This option does not exist, please see the timeline system

@item alpha
 Draw the text applying alpha blending. The value can
-be a number between 0.0 and 1.0.
-The expression accepts the same variables @var{x, y} as well.
+be either a number between 0.0 and 1.0
+The expression accepts the same variables @var{x, y} do.
 The default value is 1.
-Please see @var{fontcolor_expr}.
+Please see fontcolor_expr

@item fontsize
 The font size to be used for drawing text.
@@ -6808,7 +6808,7 @@ the following expansion mechanism is used.
 The backslash character @samp{\}, followed by any character, always expands to
 the second character.

-Sequences of the form @code{%@{...@}} are expanded. The text between the
+Sequence of the form @code{%@{...@}} are expanded. The text between the
 braces is a function name, possibly followed by arguments separated by ':'.
 If the arguments contain special characters or delimiters (':' or '@}'),
 they should be escaped.
@@ -8714,8 +8714,8 @@ value.

 Detect video interlacing type.

-This filter tries to detect if the input frames are interlaced, progressive,
-top or bottom field first. It will also try to detect fields that are
+This filter tries to detect if the input frames as interlaced, progressive,
+top or bottom field first. It will also try and detect fields that are
 repeated between adjacent frames (a sign of telecine).

 Single frame detection considers only immediately adjacent frames when classifying each frame.
@@ -8782,7 +8782,7 @@ Set progressive threshold.
 Threshold for repeated field detection.
@item half_life
 Number of frames after which a given frame's contribution to the
-statistics is halved (i.e., it contributes only 0.5 to its
+statistics is halved (i.e., it contributes only 0.5 to it's
 classification). The default of 0 means that all frames seen are given
 full weight of 1.0 forever.
@item analyze_interlaced_flag
@@ -14281,7 +14281,7 @@ syntax is deprecated:
 Create a pattern generated by an elementary cellular automaton.

 The initial state of the cellular automaton can be defined through the
-@option{filename} and @option{pattern} options. If such options are
+@option{filename}, and @option{pattern} options. If such options are
 not specified an initial state is created randomly.

 At each new frame a new row in the video is filled with the result of
@@ -15324,7 +15324,7 @@ Temporally interleave frames from several inputs.
 These filters read frames from several inputs and send the oldest
 queued frame to the output.

-Input streams must have well defined, monotonically increasing frame
+Input streams must have a well defined, monotonically increasing frame
 timestamp values.

 In order to submit one frame to output, these filters need to enqueue
@@ -15332,9 +15332,9 @@ at least one frame for each input, so they cannot work in case one
 input is not yet terminated and will not receive incoming frames.

 For example consider the case when one input is a @code{select} filter
-which always drops input frames. The @code{interleave} filter will keep
+which always drop input frames. The @code{interleave} filter will keep
 reading from that input, but it will never be able to send new frames
-to output until the input sends an end-of-stream signal.
+to output until the input will send an end-of-stream signal.

 Also, depending on inputs synchronization, the filters will drop
 frames in case one input receives more frames than the other ones, and
@@ -195,7 +195,7 @@ delayed bt the time duration specified in @var{offset}. Default value
 is @code{0} (meaning that no offset is applied).

@item format_whitelist @var{list} (@emph{input})
-"," separated list of allowed demuxers. By default all are allowed.
+"," separated List of allowed demuxers. By default all are allowed.

@item dump_separator @var{string} (@emph{input})
 Separator used to separate the fields printed on the command line about the
@@ -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
@@ -656,7 +656,7 @@ is an exact value. For HDV, it is not frame exact, since HDV does
 not have a fixed frame size.

@item dvguid
-Select the capture device by specifying its GUID. Capturing will only
+Select the capture device by specifying it's GUID. Capturing will only
 be performed from the specified device and fails if no device with the
 given GUID is found. This is useful to select the input if multiple
 devices are connected at the same time.
@@ -1319,7 +1319,7 @@ ffmpeg -f x11grab -framerate 25 -video_size cif -i :0.0+10,20 out.mpg

@table @option
@item draw_mouse
-Specify whether to draw the mouse pointer. A value of @code{0} specifies
+Specify whether to draw the mouse pointer. A value of @code{0} specify
 not to draw the pointer. Default value is @code{1}.

@item follow_mouse
@@ -274,14 +274,14 @@ the loops:
 ffmpeg -i INPUT -loop 10 -final_delay 500 out.gif
@end example

-Note 1: if you wish to extract the frames into separate GIF files, you need to
+Note 1: if you wish to extract the frames in separate GIF files, you need to
 force the @ref{image2} muxer:
@example
 ffmpeg -i INPUT -c:v gif -f image2 "out%d.gif"
@end example

-Note 2: the GIF format has a very large time base: the delay between two frames
-can therefore not be smaller than one centi second.
+Note 2: the GIF format has a very small time base: the delay between two frames
+can not be smaller than one centi second.

@anchor{hash}
@section hash
@@ -173,7 +173,7 @@ earlier, place @code{c99wrap.exe} and @code{c99conv.exe} somewhere in your
 Next, make sure any other headers and libs you want to use, such as zlib, are
 located in a spot that the compiler can see. Do so by modifying the @code{LIB}
 and @code{INCLUDE} environment variables to include the @strong{Windows-style}
-paths to these directories. Alternatively, you can try to use the
+paths to these directories. Alternatively, you can try and use the
@code{--extra-cflags}/@code{--extra-ldflags} configure options. If using MSVC
 2012 or earlier, place @code{inttypes.h} somewhere the compiler can see too.

@@ -355,7 +355,7 @@ autodetection in the future.
 If set to 1 enables experimental HTTP server. This can be used to send data when
 used as an output option, or read data from a client with HTTP POST when used as
 an input option.
-If set to 2 enables experimental multi-client HTTP server. This is not yet implemented
+If set to 2 enables experimental mutli-client HTTP server. This is not yet implemented
 in ffmpeg.c or ffserver.c and thus must not be used as a command line option.
@example
 # Server side (sending):
@@ -2026,7 +2026,12 @@ static int decode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
            }
    }

-    if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
+    /* if the decoder provides a pts, use it instead of the last packet pts.
+       the decoder could be delaying output by a packet or more. */
+    if (decoded_frame->pts != AV_NOPTS_VALUE) {
+        ist->dts = ist->next_dts = ist->pts = ist->next_pts = av_rescale_q(decoded_frame->pts, avctx->time_base, AV_TIME_BASE_Q);
+        decoded_frame_tb   = avctx->time_base;
+    } else if (decoded_frame->pkt_pts != AV_NOPTS_VALUE) {
        decoded_frame->pts = decoded_frame->pkt_pts;
        decoded_frame_tb   = ist->st->time_base;
    } else if (pkt->pts != AV_NOPTS_VALUE) {
@@ -4298,8 +4303,6 @@ 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 */
@@ -3009,8 +3009,8 @@ 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,
@@ -2725,7 +2725,7 @@ static int stream_component_open(VideoState *is, int stream_index)
                goto fail;
            link = is->out_audio_filter->inputs[0];
            sample_rate    = link->sample_rate;
-            nb_channels    = avfilter_link_get_channels(link);
+            nb_channels    = link->channels;
            channel_layout = link->channel_layout;
        }
 #else
@@ -2936,7 +2936,7 @@ static int read_thread(void *arg)
        AVStream *st = ic->streams[i];
        enum AVMediaType type = st->codecpar->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;
    }
@@ -3776,8 +3776,6 @@ int main(int argc, char **argv)
    char dummy_videodriver[] = "SDL_VIDEODRIVER=dummy";
    char alsa_bufsize[] = "SDL_AUDIO_ALSA_SET_BUFFER_SIZE=1";

-    init_dynload();
-
    av_log_set_flags(AV_LOG_SKIP_REPEATED);
    parse_loglevel(argc, argv, options);

@@ -3241,8 +3241,6 @@ 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);

@@ -2702,10 +2702,8 @@ 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)
@@ -2727,7 +2725,6 @@ 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;
@@ -3983,7 +3980,6 @@ int main(int argc, char **argv)
    int cfg_parsed;
    int ret = EXIT_FAILURE;

-    init_dynload();

    config.filename = av_strdup("/etc/ffserver.conf");

@@ -323,8 +323,6 @@ done:
    av_dict_free(&recommended);
    av_stream_set_recommended_encoder_configuration(st, enc_config);
    st->codec = av;
-    st->codecpar = avcodec_parameters_alloc();
-    avcodec_parameters_from_context(st->codecpar, av);
    stream->streams[stream->nb_streams++] = st;
 }

@@ -119,15 +119,12 @@ 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);
@@ -528,8 +528,7 @@ OBJS-$(CONFIG_SUNRAST_ENCODER)         += sunrastenc.o
 OBJS-$(CONFIG_SVQ1_DECODER)            += svq1dec.o svq1.o svq13.o h263data.o
 OBJS-$(CONFIG_SVQ1_ENCODER)            += svq1enc.o svq1.o  h263data.o  \
                                          h263.o ituh263enc.o
-OBJS-$(CONFIG_SVQ3_DECODER)            += svq3.o svq13.o mpegutils.o \
-                                          h264_parse.o h264data.o h264_ps.o h2645_parse.o
+OBJS-$(CONFIG_SVQ3_DECODER)            += svq3.o svq13.o mpegutils.o h264_parse.o h264data.o
 OBJS-$(CONFIG_TEXT_DECODER)            += textdec.o ass.o
 OBJS-$(CONFIG_TEXT_ENCODER)            += srtenc.o ass_split.o
 OBJS-$(CONFIG_TAK_DECODER)             += takdec.o tak.o takdsp.o
@@ -622,8 +622,8 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
            }

            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");
+                if (!isfinite(cpe->ch[ch].coeffs[k])) {
+                    av_log(avctx, AV_LOG_ERROR, "Input contains NaN/+-Inf\n");
                    return AVERROR(EINVAL);
                }
            }
@@ -803,7 +803,7 @@ static int adpcm_decode_frame(AVCodecContext *avctx, void *data,
        if (avctx->bits_per_coded_sample != 4) {
            int samples_per_block = ff_adpcm_ima_block_samples[avctx->bits_per_coded_sample - 2];
            int block_size = ff_adpcm_ima_block_sizes[avctx->bits_per_coded_sample - 2];
-            uint8_t temp[20 + AV_INPUT_BUFFER_PADDING_SIZE] = { 0 };
+            uint8_t temp[20] = { 0 };
            GetBitContext g;

            for (n = 0; n < (nb_samples - 1) / samples_per_block; n++) {
@@ -623,7 +623,7 @@ static int alac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
    else
        max_frame_size = s->max_coded_frame_size;

-    if ((ret = ff_alloc_packet2(avctx, avpkt, 4 * max_frame_size, 0)) < 0)
+    if ((ret = ff_alloc_packet2(avctx, avpkt, 2 * max_frame_size, 0)) < 0)
        return ret;

    /* use verbatim mode for compression_level 0 */
@@ -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;
 }
@@ -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);
@@ -139,8 +139,7 @@ int av_grow_packet(AVPacket *pkt, int grow_by)
        pkt->buf = av_buffer_alloc(new_size);
        if (!pkt->buf)
            return AVERROR(ENOMEM);
-        if (pkt->size > 0)
-            memcpy(pkt->buf->data, pkt->data, pkt->size);
+        memcpy(pkt->buf->data, pkt->data, pkt->size);
        pkt->data = pkt->buf->data;
    }
    pkt->size += grow_by;
@@ -199,7 +198,6 @@ 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)
@@ -209,11 +207,9 @@ static int copy_packet_data(AVPacket *pkt, const AVPacket *src, int dup)
    } else {
        DUP_DATA(pkt->data, src->data, pkt->size, 1, ALLOC_BUF);
    }
-    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;
@@ -295,17 +291,16 @@ FF_ENABLE_DEPRECATION_WARNINGS
 int av_packet_add_side_data(AVPacket *pkt, enum AVPacketSideDataType type,
                            uint8_t *data, size_t size)
 {
-    AVPacketSideData *tmp;
    int elems = pkt->side_data_elems;

    if ((unsigned)elems + 1 > INT_MAX / sizeof(*pkt->side_data))
        return AVERROR(ERANGE);

-    tmp = av_realloc(pkt->side_data, (elems + 1) * sizeof(*tmp));
-    if (!tmp)
+    pkt->side_data = av_realloc(pkt->side_data,
+                                (elems + 1) * sizeof(*pkt->side_data));
+    if (!pkt->side_data)
        return AVERROR(ENOMEM);

-    pkt->side_data = tmp;
    pkt->side_data[elems].data = data;
    pkt->side_data[elems].size = size;
    pkt->side_data[elems].type = type;
@@ -1217,8 +1217,6 @@ 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;
@@ -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)];
    }
 }

@@ -247,8 +247,7 @@ typedef struct CCaptionSubContext {
    int64_t last_real_time;
    char prev_cmd[2];
    /* buffer to store pkt data */
-    uint8_t *pktbuf;
-    int pktbuf_size;
+    AVBufferRef *pktbuf;
    int readorder;
 } CCaptionSubContext;

@@ -274,7 +273,11 @@ 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;
 }

@@ -282,8 +285,7 @@ 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;
 }

@@ -727,13 +729,16 @@ 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) {
        uint8_t cc_type = *(bptr + i) & 3;
@@ -320,7 +320,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
            s->plane[s->channel_num].band[0][0].width  = data;
            s->plane[s->channel_num].band[0][0].stride = data;
            av_log(avctx, AV_LOG_DEBUG, "Lowpass width %"PRIu16"\n", data);
-            if (data < 3 || data > s->plane[s->channel_num].band[0][0].a_width) {
+            if (data < 2 || data > s->plane[s->channel_num].band[0][0].a_width) {
                av_log(avctx, AV_LOG_ERROR, "Invalid lowpass width\n");
                ret = AVERROR(EINVAL);
                break;
@@ -328,7 +328,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
        } else if (tag == 28) {
            s->plane[s->channel_num].band[0][0].height = data;
            av_log(avctx, AV_LOG_DEBUG, "Lowpass height %"PRIu16"\n", data);
-            if (data < 3 || data > s->plane[s->channel_num].band[0][0].height) {
+            if (data < 2 || data > s->plane[s->channel_num].band[0][0].height) {
                av_log(avctx, AV_LOG_ERROR, "Invalid lowpass height\n");
                ret = AVERROR(EINVAL);
                break;
@@ -366,7 +366,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
            s->plane[s->channel_num].band[s->level][s->subband_num].width  = data;
            s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
            av_log(avctx, AV_LOG_DEBUG, "Highpass width %i channel %i level %i subband %i\n", data, s->channel_num, s->level, s->subband_num);
-            if (data < 3) {
+            if (data < 2) {
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass width\n");
                ret = AVERROR(EINVAL);
                break;
@@ -374,7 +374,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
        } else if (tag == 42) {
            s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
            av_log(avctx, AV_LOG_DEBUG, "Highpass height %i\n", data);
-            if (data < 3) {
+            if (data < 2) {
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass height\n");
                ret = AVERROR(EINVAL);
                break;
@@ -383,7 +383,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
            s->plane[s->channel_num].band[s->level][s->subband_num].width  = data;
            s->plane[s->channel_num].band[s->level][s->subband_num].stride = FFALIGN(data, 8);
            av_log(avctx, AV_LOG_DEBUG, "Highpass width2 %i\n", data);
-            if (data < 3) {
+            if (data < 2) {
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass width2\n");
                ret = AVERROR(EINVAL);
                break;
@@ -391,7 +391,7 @@ static int cfhd_decode(AVCodecContext *avctx, void *data, int *got_frame,
        } else if (tag == 50) {
            s->plane[s->channel_num].band[s->level][s->subband_num].height = data;
            av_log(avctx, AV_LOG_DEBUG, "Highpass height2 %i\n", data);
-            if (data < 3) {
+            if (data < 2) {
                av_log(avctx, AV_LOG_ERROR, "Invalid highpass height2\n");
                ret = AVERROR(EINVAL);
                break;
@@ -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);
        }
    }

@@ -310,7 +310,7 @@ static int parse_tonal(DCALbrDecoder *s, int group)
                break;  // End of subframe

            freq += diff - 2;
-            if (freq >> (5 - group) > s->nsubbands * 4 - 6) {
+            if (freq >> (5 - group) > s->nsubbands * 4 - 5) {
                av_log(s->avctx, AV_LOG_ERROR, "Invalid spectral line offset\n");
                return -1;
            }
@@ -1153,11 +1153,6 @@ static int dirac_unpack_idwt_params(DiracContext *s)
    else {
        s->num_x        = get_interleaved_ue_golomb(gb);
        s->num_y        = get_interleaved_ue_golomb(gb);
-        if (s->num_x * s->num_y == 0 || s->num_x * (uint64_t)s->num_y > INT_MAX) {
-            av_log(s->avctx,AV_LOG_ERROR,"Invalid numx/y\n");
-            s->num_x = s->num_y = 0;
-            return AVERROR_INVALIDDATA;
-        }
        if (s->ld_picture) {
            s->lowdelay.bytes.num = get_interleaved_ue_golomb(gb);
            s->lowdelay.bytes.den = get_interleaved_ue_golomb(gb);
@@ -1900,9 +1895,7 @@ 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;
                }

@@ -118,6 +118,11 @@ static int dnxhd_init_vlc(DNXHDContext *ctx, uint32_t cid, int bitdepth)
            av_log(ctx->avctx, AV_LOG_ERROR, "bit depth mismatches %d %d\n", ff_dnxhd_cid_table[index].bit_depth, bitdepth);
            return AVERROR_INVALIDDATA;
        }
+        if (bitdepth > 10) {
+            avpriv_request_sample(ctx->avctx, "DNXHR 12-bit");
+            if (ctx->avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL)
+                return AVERROR_PATCHWELCOME;
+        }
        ctx->cid_table = &ff_dnxhd_cid_table[index];
        av_log(ctx->avctx, AV_LOG_VERBOSE, "Profile cid %d.\n", cid);

@@ -128,7 +133,7 @@ static int dnxhd_init_vlc(DNXHDContext *ctx, uint32_t cid, int bitdepth)
        init_vlc(&ctx->ac_vlc, DNXHD_VLC_BITS, 257,
                 ctx->cid_table->ac_bits, 1, 1,
                 ctx->cid_table->ac_codes, 2, 2, 0);
-        init_vlc(&ctx->dc_vlc, DNXHD_DC_VLC_BITS, bitdepth > 8 ? 14 : 12,
+        init_vlc(&ctx->dc_vlc, DNXHD_DC_VLC_BITS, bitdepth + 4,
                 ctx->cid_table->dc_bits, 1, 1,
                 ctx->cid_table->dc_codes, 1, 1, 0);
        init_vlc(&ctx->run_vlc, DNXHD_VLC_BITS, 62,
@@ -810,7 +810,7 @@ static void compute_default_clut(AVSubtitleRect *rect, 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(rect->data[1] + 4*list_inv[i], RGBA(v/2,v,v/2,v));
@@ -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;
@@ -548,8 +548,7 @@ 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;
@@ -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);
@@ -749,9 +749,6 @@ static int piz_uncompress(EXRContext *s, const uint8_t *src, int ssize,
    uint16_t *tmp = (uint16_t *)td->tmp;
    uint8_t *out;
    int ret, i, j;
-    int pixel_half_size;/* 1 for half, 2 for float and uint32 */
-    EXRChannel *channel;
-    int tmp_offset;

    if (!td->bitmap)
        td->bitmap = av_malloc(BITMAP_SIZE);
@@ -784,38 +781,24 @@ static int piz_uncompress(EXRContext *s, const uint8_t *src, int ssize,

    ptr = tmp;
    for (i = 0; i < s->nb_channels; i++) {
-        channel = &s->channels[i];
+        EXRChannel *channel = &s->channels[i];
+        int size = channel->pixel_type;

-        if (channel->pixel_type == EXR_HALF)
-            pixel_half_size = 1;
-        else
-            pixel_half_size = 2;
-
-        for (j = 0; j < pixel_half_size; j++)
-            wav_decode(ptr + j, td->xsize, pixel_half_size, td->ysize,
-                       td->xsize * pixel_half_size, maxval);
-        ptr += td->xsize * td->ysize * pixel_half_size;
+        for (j = 0; j < size; j++)
+            wav_decode(ptr + j, td->xsize, size, td->ysize,
+                       td->xsize * size, maxval);
+        ptr += td->xsize * td->ysize * size;
    }

    apply_lut(td->lut, tmp, dsize / sizeof(uint16_t));

    out = td->uncompressed_data;
-    for (i = 0; i < td->ysize; i++) {
-        tmp_offset = 0;
+    for (i = 0; i < td->ysize; i++)
        for (j = 0; j < s->nb_channels; j++) {
-            uint16_t *in;
-            EXRChannel *channel = &s->channels[j];
-            if (channel->pixel_type == EXR_HALF)
-                pixel_half_size = 1;
-            else
-                pixel_half_size = 2;
-
-            in = tmp + tmp_offset * td->xsize * td->ysize + i * td->xsize * pixel_half_size;
-            tmp_offset += pixel_half_size;
-            memcpy(out, in, td->xsize * 2 * pixel_half_size);
-            out += td->xsize * 2 * pixel_half_size;
+            uint16_t *in = tmp + j * td->xsize * td->ysize + i * td->xsize;
+            memcpy(out, in, td->xsize * 2);
+            out += td->xsize * 2;
        }
-    }

    return 0;
 }
@@ -1027,9 +1010,8 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
    uint64_t line_offset, uncompressed_size;
    uint16_t *ptr_x;
    uint8_t *ptr;
-    uint32_t data_size;
-    uint64_t line, col = 0;
-    uint64_t tileX, tileY, tileLevelX, tileLevelY;
+    uint32_t data_size, line, col = 0;
+    uint32_t tileX, tileY, tileLevelX, tileLevelY;
    const uint8_t *src;
    int axmax = (avctx->width - (s->xmax + 1)) * 2 * s->desc->nb_components; /* nb pixel to add at the right of the datawindow */
    int bxmin = s->xmin * 2 * s->desc->nb_components; /* nb pixel to add at the left of the datawindow */
@@ -1060,18 +1042,9 @@ static int decode_block(AVCodecContext *avctx, void *tdata,
            return AVERROR_PATCHWELCOME;
        }

-        if (s->xmin || s->ymin) {
-            avpriv_report_missing_feature(s->avctx, "Tiles with xmin/ymin");
-            return AVERROR_PATCHWELCOME;
-        }
-
        line = s->tile_attr.ySize * tileY;
        col = s->tile_attr.xSize * tileX;

-        if (line < s->ymin || line > s->ymax ||
-            col  < s->xmin || col  > s->xmax)
-            return AVERROR_INVALIDDATA;
-
        td->ysize = FFMIN(s->tile_attr.ySize, s->ydelta - tileY * s->tile_attr.ySize);
        td->xsize = FFMIN(s->tile_attr.xSize, s->xdelta - tileX * s->tile_attr.xSize);

@@ -1417,15 +1390,17 @@ static int decode_header(EXRContext *s)
                    return AVERROR_PATCHWELCOME;
                }

-                if (channel_index >= 0 && s->channel_offsets[channel_index] == -1) { /* channel has not been previously assigned */
-                    if (s->pixel_type != EXR_UNKNOWN &&
-                        s->pixel_type != current_pixel_type) {
-                        av_log(s->avctx, AV_LOG_ERROR,
-                               "RGB channels not of the same depth.\n");
-                        return AVERROR_INVALIDDATA;
+                if (s->channel_offsets[channel_index] == -1){/* channel have not been previously assign */
+                    if (channel_index >= 0) {
+                        if (s->pixel_type != EXR_UNKNOWN &&
+                            s->pixel_type != current_pixel_type) {
+                            av_log(s->avctx, AV_LOG_ERROR,
+                                   "RGB channels not of the same depth.\n");
+                            return AVERROR_INVALIDDATA;
+                        }
+                        s->pixel_type                     = current_pixel_type;
+                        s->channel_offsets[channel_index] = s->current_channel_offset;
                    }
-                    s->pixel_type                     = current_pixel_type;
-                    s->channel_offsets[channel_index] = s->current_channel_offset;
                }

                s->channels = av_realloc(s->channels,
@@ -781,12 +781,14 @@ FF_ENABLE_DEPRECATION_WARNINGS
        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)
@@ -1223,6 +1225,7 @@ 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;
@@ -1278,11 +1281,6 @@ 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;

@@ -1316,17 +1314,11 @@ FF_ENABLE_DEPRECATION_WARNINGS
        }
    }

-    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 *));
@@ -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.                                     */
@@ -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;
@@ -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,
@@ -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;
@@ -369,10 +369,6 @@ 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);
 }

@@ -898,7 +898,7 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size)
    }

    ret = ff_h2645_packet_split(&h->pkt, buf, buf_size, avctx, h->is_avc,
-                                h->nal_length_size, avctx->codec_id, avctx->flags2 & AV_CODEC_FLAG2_FAST);
+                                h->nal_length_size, avctx->codec_id);
    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR,
               "Error splitting the input into NAL units.\n");
@@ -1023,8 +1023,7 @@ again:
 #endif
                } else
                    context_count++;
-            } else
-                sl->ref_count[0] = sl->ref_count[1] = 0;
+            }
            break;
        case NAL_DPA:
        case NAL_DPB:
@@ -57,6 +57,8 @@

 #define MAX_DELAYED_PIC_COUNT  16

+#define MAX_MBPAIR_SIZE (256*1024) // a tighter bound could be calculated if someone cares about a few bytes
+
 /* Compiling in interlaced support reduces the speed
 * of progressive decoding by about 2%. */
 #define ALLOW_INTERLACE
@@ -30,11 +30,10 @@
 #include "h2645_parse.h"

 int ff_h2645_extract_rbsp(const uint8_t *src, int length,
-                          H2645NAL *nal, int small_padding)
+                          H2645NAL *nal)
 {
    int i, si, di;
    uint8_t *dst;
-    int64_t padding = small_padding ? 0 : MAX_MBPAIR_SIZE;

    nal->skipped_bytes = 0;
 #define STARTCODE_TEST                                                  \
@@ -82,17 +81,16 @@ int ff_h2645_extract_rbsp(const uint8_t *src, int length,
    }
 #endif /* HAVE_FAST_UNALIGNED */

-    if (i >= length - 1 && small_padding) { // no escaped 0
+    if (i >= length - 1) { // no escaped 0
        nal->data     =
        nal->raw_data = src;
        nal->size     =
        nal->raw_size = length;
        return length;
-    } else if (i > length)
-        i = length;
+    }

-    av_fast_padded_malloc(&nal->rbsp_buffer, &nal->rbsp_buffer_size,
-                          length + padding);
+    av_fast_malloc(&nal->rbsp_buffer, &nal->rbsp_buffer_size,
+                   length + AV_INPUT_BUFFER_PADDING_SIZE);
    if (!nal->rbsp_buffer)
        return AVERROR(ENOMEM);

@@ -249,7 +247,7 @@ static int h264_parse_nal_header(H2645NAL *nal, void *logctx)

 int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
                          void *logctx, int is_nalff, int nal_length_size,
-                          enum AVCodecID codec_id, int small_padding)
+                          enum AVCodecID codec_id)
 {
    int consumed, ret = 0;
    const uint8_t *next_avc = is_nalff ? buf : buf + length;
@@ -260,21 +258,19 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
        int extract_length = 0;
        int skip_trailing_zeros = 1;

-        if (buf == next_avc) {
-            int i = 0;
-            extract_length = get_nalsize(nal_length_size,
-                                         buf, length, &i, logctx);
-            if (extract_length < 0)
-                return extract_length;
-
+        if (buf >= next_avc) {
+            int i;
+            for (i = 0; i < nal_length_size; i++)
+                extract_length = (extract_length << 8) | buf[i];
            buf    += nal_length_size;
            length -= nal_length_size;

+            if (extract_length > length) {
+                av_log(logctx, AV_LOG_ERROR, "Invalid NAL unit size.\n");
+                return AVERROR_INVALIDDATA;
+            }
            next_avc = buf + extract_length;
        } else {
-            if (buf > next_avc)
-                av_log(logctx, AV_LOG_WARNING, "Exceeded next NALFF position, re-syncing.\n");
-
            /* search start code */
            while (buf[0] != 0 || buf[1] != 0 || buf[2] != 1) {
                ++buf;
@@ -294,7 +290,7 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,

            buf           += 3;
            length        -= 3;
-            extract_length = FFMIN(length, next_avc - buf);
+            extract_length = length;

            if (buf >= next_avc) {
                /* skip to the start of the next NAL */
@@ -326,7 +322,7 @@ int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
        }
        nal = &pkt->nals[pkt->nb_nals];

-        consumed = ff_h2645_extract_rbsp(buf, extract_length, nal, small_padding);
+        consumed = ff_h2645_extract_rbsp(buf, extract_length, nal);
        if (consumed < 0)
            return consumed;

@@ -26,8 +26,6 @@
 #include "avcodec.h"
 #include "get_bits.h"

-#define MAX_MBPAIR_SIZE (256*1024) // a tighter bound could be calculated if someone cares about a few bytes
-
 typedef struct H2645NAL {
    uint8_t *rbsp_buffer;
    int rbsp_buffer_size;
@@ -76,38 +74,18 @@ typedef struct H2645Packet {
 * Extract the raw (unescaped) bitstream.
 */
 int ff_h2645_extract_rbsp(const uint8_t *src, int length,
-                          H2645NAL *nal, int small_padding);
+                          H2645NAL *nal);

 /**
 * Split an input packet into NAL units.
 */
 int ff_h2645_packet_split(H2645Packet *pkt, const uint8_t *buf, int length,
                          void *logctx, int is_nalff, int nal_length_size,
-                          enum AVCodecID codec_id, int small_padding);
+                          enum AVCodecID codec_id);

 /**
 * Free all the allocated memory in the packet.
 */
 void ff_h2645_packet_uninit(H2645Packet *pkt);

-static inline int get_nalsize(int nal_length_size, const uint8_t *buf,
-                              int buf_size, int *buf_index, void *logctx)
-{
-    int i, nalsize = 0;
-
-    if (*buf_index >= buf_size - nal_length_size) {
-        // the end of the buffer is reached, refill it
-        return AVERROR(EAGAIN);
-    }
-
-    for (i = 0; i < nal_length_size; i++)
-        nalsize = ((unsigned)nalsize << 8) | buf[(*buf_index)++];
-    if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
-        av_log(logctx, AV_LOG_ERROR,
-               "Invalid nal size %d\n", nalsize);
-        return AVERROR_INVALIDDATA;
-    }
-    return nalsize;
-}
-
 #endif /* AVCODEC_H2645_PARSE_H */
@@ -327,7 +327,7 @@ static int decode_extradata_ps(const uint8_t *data, int size, H264ParamSets *ps,
    H2645Packet pkt = { 0 };
    int i, ret = 0;

-    ret = ff_h2645_packet_split(&pkt, data, size, logctx, is_avc, 2, AV_CODEC_ID_H264, 1);
+    ret = ff_h2645_packet_split(&pkt, data, size, logctx, is_avc, 2, AV_CODEC_ID_H264);
    if (ret < 0) {
        ret = 0;
        goto fail;
@@ -226,6 +226,26 @@ static int scan_mmco_reset(AVCodecParserContext *s, GetBitContext *gb,
    return 0;
 }

+static inline int get_avc_nalsize(H264ParseContext *p, const uint8_t *buf,
+                                  int buf_size, int *buf_index, void *logctx)
+{
+    int i, nalsize = 0;
+
+    if (*buf_index >= buf_size - p->nal_length_size) {
+        // the end of the buffer is reached, refill it
+        return AVERROR(EAGAIN);
+    }
+
+    for (i = 0; i < p->nal_length_size; i++)
+        nalsize = ((unsigned)nalsize << 8) | buf[(*buf_index)++];
+    if (nalsize <= 0 || nalsize > buf_size - *buf_index) {
+        av_log(logctx, AV_LOG_ERROR,
+               "AVC: nal size %d\n", nalsize);
+        return AVERROR_INVALIDDATA;
+    }
+    return nalsize;
+}
+
 /**
 * Parse NAL units of found picture and decode some basic information.
 *
@@ -266,7 +286,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
        int src_length, consumed, nalsize = 0;

        if (buf_index >= next_avc) {
-            nalsize = get_nalsize(p->nal_length_size, buf, buf_size, &buf_index, avctx);
+            nalsize = get_avc_nalsize(p, buf, buf_size, &buf_index, avctx);
            if (nalsize < 0)
                break;
            next_avc = buf_index + nalsize;
@@ -296,7 +316,7 @@ static inline int parse_nal_units(AVCodecParserContext *s,
            }
            break;
        }
-        consumed = ff_h2645_extract_rbsp(buf + buf_index, src_length, &nal, 1);
+        consumed = ff_h2645_extract_rbsp(buf + buf_index, src_length, &nal);
        if (consumed < 0)
            break;

@@ -347,26 +367,13 @@ static inline int parse_nal_units(AVCodecParserContext *s,
                       "non-existing PPS %u referenced\n", pps_id);
                goto fail;
            }
-
-            av_buffer_unref(&p->ps.pps_ref);
-            av_buffer_unref(&p->ps.sps_ref);
-            p->ps.pps = NULL;
-            p->ps.sps = NULL;
-            p->ps.pps_ref = av_buffer_ref(p->ps.pps_list[pps_id]);
-            if (!p->ps.pps_ref)
-                goto fail;
-            p->ps.pps = (const PPS*)p->ps.pps_ref->data;
-
+            p->ps.pps = (const PPS*)p->ps.pps_list[pps_id]->data;
            if (!p->ps.sps_list[p->ps.pps->sps_id]) {
                av_log(avctx, AV_LOG_ERROR,
                       "non-existing SPS %u referenced\n", p->ps.pps->sps_id);
                goto fail;
            }
-
-            p->ps.sps_ref = av_buffer_ref(p->ps.sps_list[p->ps.pps->sps_id]);
-            if (!p->ps.sps_ref)
-                goto fail;
-            p->ps.sps = (SPS*)p->ps.sps_ref->data;
+            p->ps.sps = (SPS*)p->ps.sps_list[p->ps.pps->sps_id]->data;

            sps = p->ps.sps;

@@ -2867,7 +2867,7 @@ static int decode_nal_units(HEVCContext *s, const uint8_t *buf, int length)
    /* split the input packet into NAL units, so we know the upper bound on the
     * number of slices in the frame */
    ret = ff_h2645_packet_split(&s->pkt, buf, length, s->avctx, s->is_nalff,
-                                s->nal_length_size, s->avctx->codec_id, 1);
+                                s->nal_length_size, s->avctx->codec_id);
    if (ret < 0) {
        av_log(s->avctx, AV_LOG_ERROR,
               "Error splitting the input into NAL units.\n");
@@ -90,7 +90,7 @@ static int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
    int ret, i;

    ret = ff_h2645_packet_split(&ctx->pkt, buf, buf_size, avctx, 0, 0,
-                                AV_CODEC_ID_HEVC, 1);
+                                AV_CODEC_ID_HEVC);
    if (ret < 0)
        return ret;

@@ -243,7 +243,7 @@ static inline int parse_nal_units(AVCodecParserContext *s, const uint8_t *buf,
                src_length = 20;
        }

-        consumed = ff_h2645_extract_rbsp(buf, src_length, nal, 1);
+        consumed = ff_h2645_extract_rbsp(buf, src_length, nal);
        if (consumed < 0)
            return consumed;

@@ -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);
@@ -171,12 +171,6 @@ static int ir2_decode_frame(AVCodecContext *avctx,

    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],
@@ -61,11 +61,6 @@ static av_cold int decode_init(AVCodecContext *avctx)
    if (avctx->extradata_size < 14)
        return AVERROR_INVALIDDATA;

-    if (avctx->channels <= 0) {
-        av_log(avctx, AV_LOG_ERROR, "Invalid number of channels: %d\n", avctx->channels);
-        return AVERROR_INVALIDDATA;
-    }
-
    s->level = AV_RL16(avctx->extradata + 12) & 0xf;
    s->rows  = AV_RL16(avctx->extradata + 12) >>  4;
    s->cols  = 1 << s->level;
@@ -76,7 +71,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
    s->block   = av_calloc(s->block_len, sizeof(int));
    s->wrapbuf = av_calloc(s->wrapbuf_len, sizeof(int));
    s->ampbuf  = av_calloc(0x10000, sizeof(int));
-    s->bitstream = av_calloc(s->max_framesize + AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*s->bitstream) + 1, sizeof(*s->bitstream));
+    s->bitstream = av_calloc(s->max_framesize, sizeof(*s->bitstream));
    if (!s->block || !s->wrapbuf || !s->ampbuf || !s->bitstream)
        return AVERROR(ENOMEM);

@@ -330,10 +325,6 @@ static int t15(InterplayACMContext *s, unsigned ind, unsigned col)
    for (i = 0; i < s->rows; i++) {
        /* b = (x1) + (x2 * 3) + (x3 * 9) */
        b = get_bits(gb, 5);
-        if (b > 26) {
-            av_log(NULL, AV_LOG_ERROR, "Too large b = %d > 26\n", b);
-            return AVERROR_INVALIDDATA;
-        }

        n1 =  (mul_3x3[b] & 0x0F) - 1;
        n2 = ((mul_3x3[b] >> 4) & 0x0F) - 1;
@@ -359,10 +350,6 @@ static int t27(InterplayACMContext *s, unsigned ind, unsigned col)
    for (i = 0; i < s->rows; i++) {
        /* b = (x1) + (x2 * 5) + (x3 * 25) */
        b = get_bits(gb, 7);
-        if (b > 124) {
-            av_log(NULL, AV_LOG_ERROR, "Too large b = %d > 124\n", b);
-            return AVERROR_INVALIDDATA;
-        }

        n1 =  (mul_3x5[b] & 0x0F) - 2;
        n2 = ((mul_3x5[b] >> 4) & 0x0F) - 2;
@@ -387,10 +374,6 @@ static int t37(InterplayACMContext *s, unsigned ind, unsigned col)
    for (i = 0; i < s->rows; i++) {
        /* b = (x1) + (x2 * 11) */
        b = get_bits(gb, 7);
-        if (b > 120) {
-            av_log(NULL, AV_LOG_ERROR, "Too large b = %d > 120\n", b);
-            return AVERROR_INVALIDDATA;
-        }

        n1 =  (mul_2x11[b] & 0x0F) - 5;
        n2 = ((mul_2x11[b] >> 4) & 0x0F) - 5;
@@ -988,11 +988,6 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
    AVFrame *frame = data;
    int ret;

-    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;

@@ -1004,6 +999,10 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
    if (buf_size < s->decoding_map_size + 2)
        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);
+    }

    s->decoding_map = buf + 2;
    bytestream2_init(&s->stream_ptr, buf + 2 + s->decoding_map_size,
@@ -1013,13 +1012,10 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
        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);
        }
    }

@@ -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 an infinite loop (or segfault)
    for(;left>13; left--){
        if(get_bits1(&s->gb)) break; /* Seek the '1' bit */
@@ -20,18 +20,19 @@
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

-#include "config.h"
-
 #include <stdlib.h>

-#include "libavutil/error.h"
+#include "config.h"
 #include "jni.h"

 #if CONFIG_JNI
+
+#include <errno.h>
 #include <jni.h>
 #include <pthread.h>

 #include "libavutil/log.h"
+#include "libavutil/error.h"
 #include "ffjni.h"

 void *java_vm;
@@ -68,7 +69,7 @@ void *av_jni_get_java_vm(void *log_ctx)

 int av_jni_set_java_vm(void *vm, void *log_ctx)
 {
-    return AVERROR(ENOSYS);
+    return 0;
 }

 void *av_jni_get_java_vm(void *log_ctx)
@@ -268,8 +268,7 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *got_frame,
    int i, ret;
    int header;
    int blocksize;
-    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);

    bytestream2_init(&ctx->g, avpkt->data, avpkt->size);

@@ -304,11 +303,9 @@ static int decode_frame(AVCodecContext * avctx, void *data, int *got_frame,
        }
    }

-    if (pal && pal_size == AVPALETTE_SIZE) {
+    if (pal) {
        frame->palette_has_changed = 1;
        memcpy(ctx->pal, pal, AVPALETTE_SIZE);
-    } else if (pal) {
-        av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
    }

    if (ctx->setpal) {
@@ -24,6 +24,8 @@
 * JPEG 2000 decoder using libopenjpeg
 */

+#define  OPJ_STATIC
+
 #include "libavutil/common.h"
 #include "libavutil/imgutils.h"
 #include "libavutil/intreadwrite.h"
@@ -24,6 +24,8 @@
 * JPEG 2000 encoder using libopenjpeg
 */

+#define  OPJ_STATIC
+
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
 #include "libavutil/imgutils.h"
@@ -52,9 +54,7 @@

 typedef struct LibOpenJPEGContext {
    AVClass *avclass;
-#if OPENJPEG_MAJOR_VERSION == 1
    opj_image_t *image;
-#endif // OPENJPEG_MAJOR_VERSION == 1
    opj_cparameters_t enc_params;
 #if OPENJPEG_MAJOR_VERSION == 1
    opj_event_mgr_t event_mgr;
@@ -371,22 +371,18 @@ static av_cold int libopenjpeg_encode_init(AVCodecContext *avctx)
        cinema_parameters(&ctx->enc_params);
    }

-#if OPENJPEG_MAJOR_VERSION == 1
    ctx->image = mj2_create_image(avctx, &ctx->enc_params);
    if (!ctx->image) {
        av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
        err = AVERROR(EINVAL);
        goto fail;
    }
-#endif // OPENJPEG_MAJOR_VERSION == 1

    return 0;

 fail:
-#if OPENJPEG_MAJOR_VERSION == 1
    opj_image_destroy(ctx->image);
    ctx->image = NULL;
-#endif // OPENJPEG_MAJOR_VERSION == 1
    return err;
 }

@@ -421,7 +417,7 @@ static int libopenjpeg_copy_packed8(AVCodecContext *avctx, const AVFrame *frame,
        for (; y < image->comps[compno].h; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
            for (x = 0; x < image->comps[compno].w; ++x) {
-                image_line[x] = image_line[x - (int)image->comps[compno].w];
+                image_line[x] = image_line[x - image->comps[compno].w];
            }
        }
    }
@@ -461,7 +457,7 @@ static int libopenjpeg_copy_packed12(AVCodecContext *avctx, const AVFrame *frame
        for (; y < image->comps[compno].h; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
            for (x = 0; x < image->comps[compno].w; ++x) {
-                image_line[x] = image_line[x - (int)image->comps[compno].w];
+                image_line[x] = image_line[x - image->comps[compno].w];
            }
        }
    }
@@ -501,7 +497,7 @@ static int libopenjpeg_copy_packed16(AVCodecContext *avctx, const AVFrame *frame
        for (; y < image->comps[compno].h; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
            for (x = 0; x < image->comps[compno].w; ++x) {
-                image_line[x] = image_line[x - (int)image->comps[compno].w];
+                image_line[x] = image_line[x - image->comps[compno].w];
            }
        }
    }
@@ -528,8 +524,8 @@ static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *fram
    }

    for (compno = 0; compno < numcomps; ++compno) {
-        width  = (avctx->width + image->comps[compno].dx - 1) / image->comps[compno].dx;
-        height = (avctx->height + image->comps[compno].dy - 1) / image->comps[compno].dy;
+        width  = avctx->width / image->comps[compno].dx;
+        height = avctx->height / image->comps[compno].dy;
        for (y = 0; y < height; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
            frame_index = y * frame->linesize[compno];
@@ -542,7 +538,7 @@ static int libopenjpeg_copy_unpacked8(AVCodecContext *avctx, const AVFrame *fram
        for (; y < image->comps[compno].h; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
            for (x = 0; x < image->comps[compno].w; ++x) {
-                image_line[x] = image_line[x - (int)image->comps[compno].w];
+                image_line[x] = image_line[x - image->comps[compno].w];
            }
        }
    }
@@ -570,8 +566,8 @@ static int libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *fra
    }

    for (compno = 0; compno < numcomps; ++compno) {
-        width     = (avctx->width + image->comps[compno].dx - 1) / image->comps[compno].dx;
-        height    = (avctx->height + image->comps[compno].dy - 1) / image->comps[compno].dy;
+        width     = avctx->width / image->comps[compno].dx;
+        height    = avctx->height / image->comps[compno].dy;
        frame_ptr = (uint16_t *)frame->data[compno];
        for (y = 0; y < height; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
@@ -585,7 +581,7 @@ static int libopenjpeg_copy_unpacked16(AVCodecContext *avctx, const AVFrame *fra
        for (; y < image->comps[compno].h; ++y) {
            image_line = image->comps[compno].data + y * image->comps[compno].w;
            for (x = 0; x < image->comps[compno].w; ++x) {
-                image_line[x] = image_line[x - (int)image->comps[compno].w];
+                image_line[x] = image_line[x - image->comps[compno].w];
            }
        }
    }
@@ -597,25 +593,19 @@ static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
                                    const AVFrame *frame, int *got_packet)
 {
    LibOpenJPEGContext *ctx = avctx->priv_data;
-    int ret;
-    AVFrame *gbrframe;
-    int cpyresult = 0;
-#if OPENJPEG_MAJOR_VERSION == 1
    opj_image_t *image      = ctx->image;
+#if OPENJPEG_MAJOR_VERSION == 1
    opj_cinfo_t *compress   = NULL;
    opj_cio_t *stream       = NULL;
    int len;
 #else // OPENJPEG_MAJOR_VERSION == 2
-    PacketWriter writer     = { 0 };
    opj_codec_t *compress   = NULL;
    opj_stream_t *stream    = NULL;
-    opj_image_t *image      = mj2_create_image(avctx, &ctx->enc_params);
-    if (!image) {
-        av_log(avctx, AV_LOG_ERROR, "Error creating the mj2 image\n");
-        ret = AVERROR(EINVAL);
-        goto done;
-    }
+    PacketWriter writer     = { 0 };
 #endif // OPENJPEG_MAJOR_VERSION == 1
+    int cpyresult = 0;
+    int ret;
+    AVFrame *gbrframe;

    switch (avctx->pix_fmt) {
    case AV_PIX_FMT_RGB24:
@@ -638,10 +628,8 @@ static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
    case AV_PIX_FMT_GBRP14:
    case AV_PIX_FMT_GBRP16:
        gbrframe = av_frame_clone(frame);
-        if (!gbrframe) {
-            ret = AVERROR(ENOMEM);
-            goto done;
-        }
+        if (!gbrframe)
+            return AVERROR(ENOMEM);
        gbrframe->data[0] = frame->data[2]; // swap to be rgb
        gbrframe->data[1] = frame->data[0];
        gbrframe->data[2] = frame->data[1];
@@ -698,21 +686,19 @@ static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
        av_log(avctx, AV_LOG_ERROR,
               "The frame's pixel format '%s' is not supported\n",
               av_get_pix_fmt_name(avctx->pix_fmt));
-        ret = AVERROR(EINVAL);
-        goto done;
+        return AVERROR(EINVAL);
        break;
    }

    if (!cpyresult) {
        av_log(avctx, AV_LOG_ERROR,
               "Could not copy the frame data to the internal image buffer\n");
-        ret = -1;
-        goto done;
+        return -1;
    }

 #if OPENJPEG_MAJOR_VERSION == 2
    if ((ret = ff_alloc_packet2(avctx, pkt, 1024, 0)) < 0) {
-        goto done;
+        return ret;
    }
 #endif // OPENJPEG_MAJOR_VERSION == 2

@@ -779,7 +765,7 @@ static int libopenjpeg_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
 #error Missing call to opj_stream_set_user_data
 #endif

-    if (!opj_start_compress(compress, image, stream) ||
+    if (!opj_start_compress(compress, ctx->image, stream) ||
        !opj_encode(compress, stream) ||
        !opj_end_compress(compress, stream)) {
        av_log(avctx, AV_LOG_ERROR, "Error during the opj encode\n");
@@ -798,7 +784,6 @@ done:
 #if OPENJPEG_MAJOR_VERSION == 2
    opj_stream_destroy(stream);
    opj_destroy_codec(compress);
-    opj_image_destroy(image);
 #else
    opj_cio_close(stream);
    opj_destroy_compress(compress);
@@ -808,12 +793,10 @@ done:

 static av_cold int libopenjpeg_encode_close(AVCodecContext *avctx)
 {
-#if OPENJPEG_MAJOR_VERSION == 1
    LibOpenJPEGContext *ctx = avctx->priv_data;

    opj_image_destroy(ctx->image);
    ctx->image = NULL;
-#endif // OPENJPEG_MAJOR_VERSION == 1
    return 0;
 }

@@ -47,13 +47,6 @@ static av_cold int libopus_decode_init(AVCodecContext *avc)
    int ret, channel_map = 0, gain_db = 0, nb_streams, nb_coupled;
    uint8_t mapping_arr[8] = { 0, 1 }, *mapping;

-    avc->channels = avc->extradata_size >= 10 ? avc->extradata[9] : (avc->channels == 1) ? 1 : 2;
-    if (avc->channels <= 0) {
-        av_log(avc, AV_LOG_WARNING,
-               "Invalid number of channels %d, defaulting to stereo\n", avc->channels);
-        avc->channels = 2;
-    }
-
    avc->sample_rate    = 48000;
    avc->sample_fmt     = avc->request_sample_fmt == AV_SAMPLE_FMT_FLT ?
                          AV_SAMPLE_FMT_FLT : AV_SAMPLE_FMT_S16;
@@ -218,7 +218,6 @@ static int libschroedinger_decode_frame(AVCodecContext *avctx,
    int outer = 1;
    SchroParseUnitContext parse_ctx;
    LibSchroFrameContext *framewithpts = NULL;
-    int ret;

    *got_frame = 0;

@@ -308,10 +307,11 @@ static int libschroedinger_decode_frame(AVCodecContext *avctx,
    /* Grab next frame to be returned from the top of the queue. */
    framewithpts = ff_schro_queue_pop(&p_schro_params->dec_frame_queue);

-    if (framewithpts && framewithpts->frame && framewithpts->frame->components[0].stride) {
+    if (framewithpts && framewithpts->frame) {
+        int ret;

        if ((ret = ff_get_buffer(avctx, avframe, 0)) < 0)
-            goto end;
+            return ret;

        memcpy(avframe->data[0],
               framewithpts->frame->components[0].data,
@@ -332,17 +332,15 @@ static int libschroedinger_decode_frame(AVCodecContext *avctx,
        avframe->linesize[2] = framewithpts->frame->components[2].stride;

        *got_frame      = 1;
+
+        /* Now free the frame resources. */
+        libschroedinger_decode_frame_free(framewithpts->frame);
+        av_free(framewithpts);
    } else {
        data       = NULL;
        *got_frame = 0;
    }
-    ret = buf_size;
-end:
-    /* Now free the frame resources. */
-    if (framewithpts && framewithpts->frame)
-        libschroedinger_decode_frame_free(framewithpts->frame);
-    av_freep(&framewithpts);
-    return ret;
+    return buf_size;
 }


@@ -777,8 +777,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
    if(x4->x264opts){
        const char *p= x4->x264opts;
        while(p){
-            char param[4096]={0}, val[4096]={0};
-            if(sscanf(p, "%4095[^:=]=%4095[^:]", param, val) == 1){
+            char param[256]={0}, val[256]={0};
+            if(sscanf(p, "%255[^:=]=%255[^:]", param, val) == 1){
                OPT_STR(param, "1");
            }else
                OPT_STR(param, val);
@@ -53,7 +53,6 @@ int ff_lzf_uncompress(GetByteContext *gb, uint8_t **buf, int64_t *size)
                ret = av_reallocp(buf, *size);
                if (ret < 0)
                    return ret;
-                p = *buf + len;
            }

            bytestream2_get_buffer(gb, p, s);
@@ -76,7 +75,6 @@ int ff_lzf_uncompress(GetByteContext *gb, uint8_t **buf, int64_t *size)
                ret = av_reallocp(buf, *size);
                if (ret < 0)
                    return ret;
-                p = *buf + len;
            }

            av_memcpy_backptr(p, off, l);
@@ -65,58 +65,6 @@ static av_cold int mediacodec_decode_close(AVCodecContext *avctx)
    return 0;
 }

-static int h264_ps_to_nalu(const uint8_t *src, int src_size, uint8_t **out, int *out_size)
-{
-    int i;
-    int ret = 0;
-    uint8_t *p = NULL;
-    static const uint8_t nalu_header[] = { 0x00, 0x00, 0x00, 0x01 };
-
-    if (!out || !out_size) {
-        return AVERROR(EINVAL);
-    }
-
-    p = av_malloc(sizeof(nalu_header) + src_size);
-    if (!p) {
-        return AVERROR(ENOMEM);
-    }
-
-    *out = p;
-    *out_size = sizeof(nalu_header) + src_size;
-
-    memcpy(p, nalu_header, sizeof(nalu_header));
-    memcpy(p + sizeof(nalu_header), src, src_size);
-
-    /* Escape 0x00, 0x00, 0x0{0-3} pattern */
-    for (i = 4; i < *out_size; i++) {
-        if (i < *out_size - 3 &&
-            p[i + 0] == 0 &&
-            p[i + 1] == 0 &&
-            p[i + 2] <= 3) {
-            uint8_t *new;
-
-            *out_size += 1;
-            new = av_realloc(*out, *out_size);
-            if (!new) {
-                ret = AVERROR(ENOMEM);
-                goto done;
-            }
-            *out = p = new;
-
-            i = i + 2;
-            memmove(p + i + 1, p + i, *out_size - (i + 1));
-            p[i] = 0x03;
-        }
-    }
-done:
-    if (ret < 0) {
-        av_freep(out);
-        *out_size = 0;
-    }
-
-    return ret;
-}
-
 static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
 {
    int i;
@@ -164,20 +112,8 @@ static av_cold int mediacodec_decode_init(AVCodecContext *avctx)
    }

    if (pps && sps) {
-        uint8_t *data = NULL;
-        size_t data_size = 0;
-
-        if ((ret = h264_ps_to_nalu(sps->data, sps->data_size, &data, &data_size)) < 0) {
-            goto done;
-        }
-        ff_AMediaFormat_setBuffer(format, "csd-0", (void*)data, data_size);
-        av_freep(&data);
-
-        if ((ret = h264_ps_to_nalu(pps->data, pps->data_size, &data, &data_size)) < 0) {
-            goto done;
-        }
-        ff_AMediaFormat_setBuffer(format, "csd-1", (void*)data, data_size);
-        av_freep(&data);
+        ff_AMediaFormat_setBuffer(format, "csd-0", (void*)sps->data, sps->data_size);
+        ff_AMediaFormat_setBuffer(format, "csd-1", (void*)pps->data, pps->data_size);
    } else {
        av_log(avctx, AV_LOG_ERROR, "Could not extract PPS/SPS from extradata");
        ret = AVERROR_INVALIDDATA;
@@ -1082,10 +1082,6 @@ static int ljpeg_decode_yuv_scan(MJpegDecodeContext *s, int predictor,

    for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
        for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
-            if (get_bits_left(&s->gb) < 1) {
-                av_log(s->avctx, AV_LOG_ERROR, "bitstream end in yuv_scan\n");
-                return AVERROR_INVALIDDATA;
-            }
            if (s->restart_interval && !s->restart_count){
                s->restart_count = s->restart_interval;
                resync_mb_x = mb_x;
@@ -1397,10 +1393,6 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss,
        int block_idx    = mb_y * s->block_stride[c];
        int16_t (*block)[64] = &s->blocks[c][block_idx];
        uint8_t *last_nnz    = &s->last_nnz[c][block_idx];
-        if (get_bits_left(&s->gb) <= 0) {
-            av_log(s->avctx, AV_LOG_ERROR, "bitstream truncated in mjpeg_decode_scan_progressive_ac\n");
-            return AVERROR_INVALIDDATA;
-        }
        for (mb_x = 0; mb_x < s->mb_width; mb_x++, block++, last_nnz++) {
                int ret;
                if (s->restart_interval && !s->restart_count)
@@ -2127,8 +2119,6 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
            ret = mjpeg_decode_com(s);
            if (ret < 0)
                return ret;
-        } else if (start_code == DQT) {
-            ff_mjpeg_decode_dqt(s);
        }

        ret = -1;
@@ -2161,6 +2151,9 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
            s->restart_count    = 0;
            /* nothing to do on SOI */
            break;
+        case DQT:
+            ff_mjpeg_decode_dqt(s);
+            break;
        case DHT:
            if ((ret = ff_mjpeg_decode_dht(s)) < 0) {
                av_log(avctx, AV_LOG_ERROR, "huffman table decode error\n");
@@ -2391,7 +2384,7 @@ the_end:
            }
        }
    }
-    if (s->flipped && !s->rgb) {
+    if (s->flipped) {
        int j;
        avcodec_get_chroma_sub_sample(s->avctx->pix_fmt, &hshift, &vshift);
        av_assert0(s->nb_components == av_pix_fmt_count_planes(s->picture_ptr->format));
@@ -116,8 +116,6 @@ static void mov_text_cleanup(MovTextContext *m)
            av_freep(&m->s[i]);
        }
        av_freep(&m->s);
-        m->count_s = 0;
-        m->style_entries = 0;
    }
 }

@@ -281,14 +279,12 @@ static int decode_hclr(const uint8_t *tsmb, MovTextContext *m, AVPacket *avpkt)
 static int decode_styl(const uint8_t *tsmb, MovTextContext *m, AVPacket *avpkt)
 {
    int i;
-    int style_entries = AV_RB16(tsmb);
+    m->style_entries = AV_RB16(tsmb);
    tsmb += 2;
    // A single style record is of length 12 bytes.
-    if (m->tracksize + m->size_var + 2 + style_entries * 12 > avpkt->size)
+    if (m->tracksize + m->size_var + 2 + m->style_entries * 12 > avpkt->size)
        return -1;

-    m->style_entries = style_entries;
-
    m->box_flags |= STYL_BOX;
    for(i = 0; i < m->style_entries; i++) {
        m->s_temp = av_malloc(sizeof(*m->s_temp));
@@ -485,12 +481,7 @@ static int mov_text_decode_frame(AVCodecContext *avctx,
                m->size_var = 8;
            //size_var is equal to 8 or 16 depending on the size of box

-            if (tsmb_size == 0) {
-                av_log(avctx, AV_LOG_ERROR, "tsmb_size is 0\n");
-                return AVERROR_INVALIDDATA;
-            }
-
-            if (tsmb_size > avpkt->size - m->tracksize)
+            if (m->tracksize + tsmb_size > avpkt->size)
                break;

            for (size_t i = 0; i < box_count; i++) {
@@ -2389,7 +2389,7 @@ FF_ENABLE_DEPRECATION_WARNINGS
 #endif

    s->closed_gop = get_bits1(&s->gb);
-    /* broken_link indicates that after editing the
+    /* broken_link indicate that after editing the
     * reference frames of the first B-Frames after GOP I-Frame
     * are missing (open gop) */
    broken_link = get_bits1(&s->gb);
@@ -2784,7 +2784,6 @@ static int mpeg_decode_frame(AVCodecContext *avctx, void *data,
                            avctx->extradata, avctx->extradata_size);
        if (*got_output) {
            av_log(avctx, AV_LOG_ERROR, "picture in extradata\n");
-            av_frame_unref(picture);
            *got_output = 0;
        }
        s->extradata_decoded = 1;
@@ -315,13 +315,13 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
        min_ab = FFMIN(alpha, beta);
        w3     = w2 >> min_ab;
        h3     = h2 >> min_ab;
-        s->sprite_offset[0][0] = (sprite_ref[0][0] * (1<<(alpha + beta + rho - min_ab))) +
+        s->sprite_offset[0][0] = (sprite_ref[0][0] << (alpha + beta + rho - min_ab)) +
                                 (-r * sprite_ref[0][0] + virtual_ref[0][0]) *
                                 h3 * (-vop_ref[0][0]) +
                                 (-r * sprite_ref[0][0] + virtual_ref[1][0]) *
                                 w3 * (-vop_ref[0][1]) +
                                 (1 << (alpha + beta + rho - min_ab - 1));
-        s->sprite_offset[0][1] = (sprite_ref[0][1] * (1 << (alpha + beta + rho - min_ab))) +
+        s->sprite_offset[0][1] = (sprite_ref[0][1] << (alpha + beta + rho - min_ab)) +
                                 (-r * sprite_ref[0][1] + virtual_ref[0][1]) *
                                 h3 * (-vop_ref[0][0]) +
                                 (-r * sprite_ref[0][1] + virtual_ref[1][1]) *
@@ -368,10 +368,10 @@ static int mpeg4_decode_sprite_trajectory(Mpeg4DecContext *ctx, GetBitContext *g
        int shift_y = 16 - ctx->sprite_shift[0];
        int shift_c = 16 - ctx->sprite_shift[1];
        for (i = 0; i < 2; i++) {
-            s->sprite_offset[0][i] *= 1 << shift_y;
-            s->sprite_offset[1][i] *= 1 << shift_c;
-            s->sprite_delta[0][i]  *= 1 << shift_y;
-            s->sprite_delta[1][i]  *= 1 << shift_y;
+            s->sprite_offset[0][i] <<= shift_y;
+            s->sprite_offset[1][i] <<= shift_c;
+            s->sprite_delta[0][i]  <<= shift_y;
+            s->sprite_delta[1][i]  <<= shift_y;
            ctx->sprite_shift[i]     = 16;
        }
        s->real_sprite_warping_points = ctx->num_sprite_warping_points;
@@ -98,7 +98,7 @@ static int mpegaudio_parse(AVCodecParserContext *s1,
                    } else if (codec_id == AV_CODEC_ID_MP3ADU) {
                        avpriv_report_missing_feature(avctx,
                            "MP3ADU full parser");
-                        return 0; /* parsers must not return error codes */
+                        return AVERROR_PATCHWELCOME;
                    }

                    break;
@@ -2911,8 +2911,6 @@ int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t s
            return AVERROR(ENOMEM);
        }

-        emms_c();
-
        av_fast_padded_malloc(&new_buffer, &new_buffer_size,
                              s->avctx->internal->byte_buffer_size + size_increase);
        if (!new_buffer)
@@ -99,14 +99,11 @@ static int msrle_decode_frame(AVCodecContext *avctx,
        return ret;

    if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {
-        int size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
+        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);

-        if (pal && size == AVPALETTE_SIZE) {
+        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);
        }
        /* make the palette available */
        memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
@@ -422,13 +422,7 @@ static int decode_wmv9(AVCodecContext *avctx, const uint8_t *buf, int buf_size,

    ff_vc1_decode_blocks(v);

-    if (v->end_mb_x == s->mb_width && s->end_mb_y == s->mb_height) {
-        ff_er_frame_end(&s->er);
-    } else {
-        av_log(v->s.avctx, AV_LOG_WARNING,
-               "disabling error correction due to block count mismatch %dx%d != %dx%d\n",
-               v->end_mb_x, s->end_mb_y, s->mb_width, s->mb_height);
-    }
+    ff_er_frame_end(&s->er);

    ff_mpv_frame_end(s);

@@ -305,14 +305,11 @@ static int msvideo1_decode_frame(AVCodecContext *avctx,
        return ret;

    if (s->mode_8bit) {
-        int size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
+        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);

-        if (pal && size == AVPALETTE_SIZE) {
+        if (pal) {
            memcpy(s->pal, pal, AVPALETTE_SIZE);
            s->frame->palette_has_changed = 1;
-        } else if (pal) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", size);
        }
    }

@@ -76,7 +76,7 @@ static const AVOption options[] = {
    { "surfaces", "Number of concurrent surfaces",        OFFSET(nb_surfaces), AV_OPT_TYPE_INT,    { .i64 = 32 },                   0, INT_MAX, VE },
    { "cbr", "Use cbr encoding mode", OFFSET(cbr), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VE },
    { "2pass", "Use 2pass encoding mode", OFFSET(twopass), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VE },
-    { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE, "device" },
+    { "gpu", "Selects which NVENC capable GPU to use. First GPU is 0, second is 1, and so on.", OFFSET(device), AV_OPT_TYPE_INT, { .i64 = ANY_DEVICE }, -2, INT_MAX, VE },
    { "any",      "Pick the first device available",      0,                   AV_OPT_TYPE_CONST,  { .i64 = ANY_DEVICE },           0, 0, VE, "device" },
    { "list",     "List the available devices",           0,                   AV_OPT_TYPE_CONST,  { .i64 = LIST_DEVICES },         0, 0, VE, "device" },
    { "delay",    "Delay frame output by the given amount of frames", OFFSET(async_depth), AV_OPT_TYPE_INT, { .i64 = INT_MAX }, 0, INT_MAX, VE },
@@ -761,10 +761,7 @@ static int omx_encode_frame(AVCodecContext *avctx, AVPacket *pkt,
            } else {
                // If not, we need to allocate a new buffer with the right
                // size and copy the input frame into it.
-                uint8_t *buf = NULL;
-                int image_buffer_size = av_image_get_buffer_size(avctx->pix_fmt, s->stride, s->plane_size, 1);
-                if (image_buffer_size >= 0)
-                    buf = av_malloc(image_buffer_size);
+                uint8_t *buf = av_malloc(av_image_get_buffer_size(avctx->pix_fmt, s->stride, s->plane_size, 1));
                if (!buf) {
                    // Return the buffer to the queue so it's not lost
                    append_buffer(&s->input_mutex, &s->input_cond, &s->num_free_in_buffers, s->free_in_buffers, buffer);
@@ -300,11 +300,8 @@ static int parse_object_segment(AVCodecContext *avctx,

    av_fast_padded_malloc(&object->rle, &object->rle_buffer_size, rle_bitmap_len);

-    if (!object->rle) {
-        object->rle_data_len = 0;
-        object->rle_remaining_len = 0;
+    if (!object->rle)
        return AVERROR(ENOMEM);
-    }

    memcpy(object->rle, buf, buf_size);
    object->rle_data_len = buf_size;
@@ -559,13 +556,12 @@ static int display_end_segment(AVCodecContext *avctx, void *data,

        sub->rects[i]->x    = ctx->presentation.objects[i].x;
        sub->rects[i]->y    = ctx->presentation.objects[i].y;
+        sub->rects[i]->w    = object->w;
+        sub->rects[i]->h    = object->h;
+
+        sub->rects[i]->linesize[0] = object->w;

        if (object->rle) {
-            sub->rects[i]->w    = object->w;
-            sub->rects[i]->h    = object->h;
-
-            sub->rects[i]->linesize[0] = object->w;
-
            if (object->rle_remaining_len) {
                av_log(avctx, AV_LOG_ERROR, "RLE data length %u is %u bytes shorter than expected\n",
                       object->rle_data_len, object->rle_remaining_len);
@@ -142,7 +142,7 @@ static int decode_frame(AVCodecContext *avctx,

    if (av_image_check_size(s->width, s->height, 0, avctx) < 0)
        return -1;
-    if (s->width != avctx->width || s->height != avctx->height) {
+    if (s->width != avctx->width && s->height != avctx->height) {
        ret = ff_set_dimensions(avctx, s->width, s->height);
        if (ret < 0)
            return ret;
@@ -437,13 +437,13 @@ static int decode_zbuf(AVBPrint *bp, const uint8_t *data,
    av_bprint_init(bp, 0, -1);

    while (zstream.avail_in > 0) {
-        av_bprint_get_buffer(bp, 2, &buf, &buf_size);
-        if (buf_size < 2) {
+        av_bprint_get_buffer(bp, 1, &buf, &buf_size);
+        if (!buf_size) {
            ret = AVERROR(ENOMEM);
            goto fail;
        }
        zstream.next_out  = buf;
-        zstream.avail_out = buf_size - 1;
+        zstream.avail_out = buf_size;
        ret = inflate(&zstream, Z_PARTIAL_FLUSH);
        if (ret != Z_OK && ret != Z_STREAM_END) {
            ret = AVERROR_EXTERNAL;
@@ -772,16 +772,6 @@ static int decode_trns_chunk(AVCodecContext *avctx, PNGDecContext *s,
 {
    int v, i;

-    if (!(s->state & PNG_IHDR)) {
-        av_log(avctx, AV_LOG_ERROR, "trns before IHDR\n");
-        return AVERROR_INVALIDDATA;
-    }
-
-    if (s->state & PNG_IDAT) {
-        av_log(avctx, AV_LOG_ERROR, "trns after IDAT\n");
-        return AVERROR_INVALIDDATA;
-    }
-
    if (s->color_type == PNG_COLOR_TYPE_PALETTE) {
        if (length > 256 || !(s->state & PNG_PLTE))
            return AVERROR_INVALIDDATA;
@@ -792,8 +782,7 @@ static int decode_trns_chunk(AVCodecContext *avctx, PNGDecContext *s,
        }
    } else if (s->color_type == PNG_COLOR_TYPE_GRAY || s->color_type == PNG_COLOR_TYPE_RGB) {
        if ((s->color_type == PNG_COLOR_TYPE_GRAY && length != 2) ||
-            (s->color_type == PNG_COLOR_TYPE_RGB && length != 6) ||
-            s->bit_depth == 1)
+            (s->color_type == PNG_COLOR_TYPE_RGB && length != 6))
            return AVERROR_INVALIDDATA;

        for (i = 0; i < length / 2; i++) {
@@ -1252,8 +1241,6 @@ exit_loop:
        size_t raw_bpp = s->bpp - byte_depth;
        unsigned x, y;

-        av_assert0(s->bit_depth > 1);
-
        for (y = 0; y < s->height; ++y) {
            uint8_t *row = &s->image_buf[s->image_linesize * y];

@@ -66,8 +66,6 @@ retry:
        }
 #endif
        next = END_NOT_FOUND;
-    } else if (pnmctx.type < 4) {
-        next = END_NOT_FOUND;
    } else {
        next = pnmctx.bytestream - pnmctx.bytestream_start
               + av_image_get_buffer_size(avctx->pix_fmt, avctx->width, avctx->height, 1);
@@ -43,7 +43,7 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data,
    int buf_size         = avpkt->size;
    PNMContext * const s = avctx->priv_data;
    AVFrame * const p    = data;
-    int i, j, k, n, linesize, h, upgrade = 0, is_mono = 0;
+    int i, j, n, linesize, h, upgrade = 0, is_mono = 0;
    unsigned char *ptr;
    int components, sample_len, ret;

@@ -143,14 +143,10 @@ static int pnm_decode_frame(AVCodecContext *avctx, void *data,
                        v = (*s->bytestream++)&1;
                    } else {
                        /* read a sequence of digits */
-                        for (k = 0; k < 5 && c <= 9; k += 1) {
+                        do {
                            v = 10*v + c;
                            c = (*s->bytestream++) - '0';
-                        }
-                        if (v > s->maxval) {
-                            av_log(avctx, AV_LOG_ERROR, "value %d larger than maxval %d\n", v, s->maxval);
-                            return AVERROR_INVALIDDATA;
-                        }
+                        } while (c <= 9);
                    }
                    if (sample_len == 16) {
                        ((uint16_t*)ptr)[j] = (((1<<sample_len)-1)*v + (s->maxval>>1))/s->maxval;
@@ -67,10 +67,10 @@ static void get_pixels_altivec(int16_t *restrict block, const uint8_t *pixels,
                               ptrdiff_t line_size)
 {
    int i;
+    vec_u8 perm = vec_lvsl(0, pixels);
    const vec_u8 zero = (const vec_u8)vec_splat_u8(0);

    for (i = 0; i < 8; i++) {
-        vec_u8 perm = vec_lvsl(0, pixels);
        /* Read potentially unaligned pixels.
         * We're reading 16 pixels, and actually only want 8,
         * but we simply ignore the extras. */
@@ -157,7 +157,8 @@ static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
                                const uint8_t *s2, int stride)
 {
    int i;
-    vec_u8 perm;
+    vec_u8 perm1 = vec_lvsl(0, s1);
+    vec_u8 perm2 = vec_lvsl(0, s2);
    const vec_u8 zero = (const vec_u8)vec_splat_u8(0);
    vec_s16 shorts1, shorts2;

@@ -165,19 +166,17 @@ static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
        /* Read potentially unaligned pixels.
         * We're reading 16 pixels, and actually only want 8,
         * but we simply ignore the extras. */
-        perm = vec_lvsl(0, s1);
        vec_u8 pixl  = vec_ld(0,  s1);
        vec_u8 pixr  = vec_ld(15, s1);
-        vec_u8 bytes = vec_perm(pixl, pixr, perm);
+        vec_u8 bytes = vec_perm(pixl, pixr, perm1);

        // Convert the bytes into shorts.
        shorts1 = (vec_s16)vec_mergeh(zero, bytes);

        // Do the same for the second block of pixels.
-        perm = vec_lvsl(0, s2);
        pixl  = vec_ld(0,  s2);
        pixr  = vec_ld(15, s2);
-        bytes = vec_perm(pixl, pixr, perm);
+        bytes = vec_perm(pixl, pixr, perm2);

        // Convert the bytes into shorts.
        shorts2 = (vec_s16)vec_mergeh(zero, bytes);
@@ -198,19 +197,17 @@ static void diff_pixels_altivec(int16_t *restrict block, const uint8_t *s1,
        /* Read potentially unaligned pixels.
         * We're reading 16 pixels, and actually only want 8,
         * but we simply ignore the extras. */
-        perm = vec_lvsl(0, s1);
        pixl  = vec_ld(0,  s1);
        pixr  = vec_ld(15, s1);
-        bytes = vec_perm(pixl, pixr, perm);
+        bytes = vec_perm(pixl, pixr, perm1);

        // Convert the bytes into shorts.
        shorts1 = (vec_s16)vec_mergeh(zero, bytes);

        // Do the same for the second block of pixels.
-        perm = vec_lvsl(0, s2);
        pixl  = vec_ld(0,  s2);
        pixr  = vec_ld(15, s2);
-        bytes = vec_perm(pixl, pixr, perm);
+        bytes = vec_perm(pixl, pixr, perm2);

        // Convert the bytes into shorts.
        shorts2 = (vec_s16)vec_mergeh(zero, bytes);
@@ -625,7 +625,7 @@ static int decode_slice(AVCodecContext *avctx, void *tdata)

    /* if V or alpha component size is negative that means that previous
       component sizes are too large */
-    if (v_data_size < 0 || a_data_size < 0 || hdr_size < 6 || coff[3] > slice_data_size) {
+    if (v_data_size < 0 || a_data_size < 0 || hdr_size < 6) {
        av_log(avctx, AV_LOG_ERROR, "invalid data size\n");
        return AVERROR_INVALIDDATA;
    }
@@ -260,8 +260,7 @@ static int decode_frame(AVCodecContext *avctx,
    AVFrame * const ref = a->ref;
    uint8_t* outdata;
    int delta, ret;
-    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);

    if (avpkt->size < 0x86) {
        av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
@@ -288,11 +287,9 @@ static int decode_frame(AVCodecContext *avctx,
    }

    /* make the palette available on the way out */
-    if (pal && pal_size == AVPALETTE_SIZE) {
+    if (pal) {
        p->palette_has_changed = 1;
        memcpy(a->pal, pal, AVPALETTE_SIZE);
-    } else if (pal) {
-        av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
    }
    memcpy(p->data[1], a->pal, AVPALETTE_SIZE);

@@ -69,7 +69,7 @@ static int generate_fake_vps(QSVEncContext *q, AVCodecContext *avctx)
    }

    /* parse the SPS */
-    ret = ff_h2645_extract_rbsp(avctx->extradata + 4, avctx->extradata_size - 4, &sps_nal, 1);
+    ret = ff_h2645_extract_rbsp(avctx->extradata + 4, avctx->extradata_size - 4, &sps_nal);
    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR, "Error unescaping the SPS buffer\n");
        return ret;
@@ -506,14 +506,11 @@ static int qtrle_decode_frame(AVCodecContext *avctx,
    }

    if(has_palette) {
-        int size;
-        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, &size);
+        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);

-        if (pal && size == AVPALETTE_SIZE) {
+        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);
        }

        /* make the palette available on the way out */
@@ -31,7 +31,6 @@
 const PixelFormatTag ff_raw_pix_fmt_tags[] = {
    { AV_PIX_FMT_YUV420P, MKTAG('I', '4', '2', '0') }, /* Planar formats */
    { AV_PIX_FMT_YUV420P, MKTAG('I', 'Y', 'U', 'V') },
-    { AV_PIX_FMT_YUV420P, MKTAG('y', 'v', '1', '2') },
    { AV_PIX_FMT_YUV420P, MKTAG('Y', 'V', '1', '2') },
    { AV_PIX_FMT_YUV410P, MKTAG('Y', 'U', 'V', '9') },
    { AV_PIX_FMT_YUV410P, MKTAG('Y', 'V', 'U', '9') },
@@ -204,9 +204,8 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,

    desc = av_pix_fmt_desc_get(avctx->pix_fmt);

-    if ((avctx->bits_per_coded_sample == 8 || avctx->bits_per_coded_sample == 4 ||
-         avctx->bits_per_coded_sample == 2 || avctx->bits_per_coded_sample == 1 ||
-         (avctx->bits_per_coded_sample == 0 && (context->is_nut_pal8 || context->is_mono)) ) &&
+    if ((avctx->bits_per_coded_sample == 8 || avctx->bits_per_coded_sample == 4
+            || avctx->bits_per_coded_sample <= 2) &&
        (context->is_mono || context->is_pal8) &&
        (!avctx->codec_tag || avctx->codec_tag == MKTAG('r','a','w',' ') ||
                context->is_nut_mono || context->is_nut_pal8)) {
@@ -364,38 +363,22 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
    }

    if (avctx->pix_fmt == AV_PIX_FMT_PAL8) {
-        int pal_size;
        const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE,
-                                                     &pal_size);
-        int ret;
-
-        if (pal && pal_size != AVPALETTE_SIZE) {
-            av_log(avctx, AV_LOG_ERROR, "Palette size %d is wrong\n", pal_size);
-            pal = NULL;
-        }
-
-        if (!context->palette)
-            context->palette = av_buffer_alloc(AVPALETTE_SIZE);
-        if (!context->palette) {
-            av_buffer_unref(&frame->buf[0]);
-            return AVERROR(ENOMEM);
-        }
-        ret = av_buffer_make_writable(&context->palette);
-        if (ret < 0) {
-            av_buffer_unref(&frame->buf[0]);
-            return ret;
-        }
-
+                                                     NULL);
        if (pal) {
+            av_buffer_unref(&context->palette);
+            context->palette = av_buffer_alloc(AVPALETTE_SIZE);
+            if (!context->palette) {
+                av_buffer_unref(&frame->buf[0]);
+                return AVERROR(ENOMEM);
+            }
            memcpy(context->palette->data, pal, AVPALETTE_SIZE);
            frame->palette_has_changed = 1;
        } else if (context->is_nut_pal8) {
            int vid_size = avctx->width * avctx->height;
-            int pal_size = avpkt->size - vid_size;
-
-            if (avpkt->size > vid_size && pal_size <= AVPALETTE_SIZE) {
+            if (avpkt->size - vid_size) {
                pal = avpkt->data + vid_size;
-                memcpy(context->palette->data, pal, pal_size);
+                memcpy(context->palette->data, pal, avpkt->size - vid_size);
                frame->palette_has_changed = 1;
            }
        }
@@ -109,8 +109,6 @@ static int get_dimension(GetBitContext *gb, const int *dim)
        val = dim[get_bits1(gb) - val];
    if(!val){
        do{
-            if (get_bits_left(gb) < 8)
-                return AVERROR_INVALIDDATA;
            t = get_bits(gb, 8);
            val += t << 2;
        }while(t == 0xFF);
@@ -129,12 +129,8 @@ static int smacker_decode_tree(GetBitContext *gb, HuffContext *hc, uint32_t pref
 /**
 * Decode header tree
 */
-static int smacker_decode_bigtree(GetBitContext *gb, HuffContext *hc, DBCtx *ctx, int length)
+static int smacker_decode_bigtree(GetBitContext *gb, HuffContext *hc, DBCtx *ctx)
 {
-    if(length > 500) { // Larger length can cause segmentation faults due to too deep recursion.
-        av_log(NULL, AV_LOG_ERROR, "length too long\n");
-        return AVERROR_INVALIDDATA;
-    }
    if (hc->current + 1 >= hc->length) {
        av_log(NULL, AV_LOG_ERROR, "Tree size exceeded!\n");
        return AVERROR_INVALIDDATA;
@@ -163,12 +159,12 @@ static int smacker_decode_bigtree(GetBitContext *gb, HuffContext *hc, DBCtx *ctx
        int r = 0, r_new, t;

        t = hc->current++;
-        r = smacker_decode_bigtree(gb, hc, ctx, length + 1);
+        r = smacker_decode_bigtree(gb, hc, ctx);
        if(r < 0)
            return r;
        hc->values[t] = SMK_NODE | r;
        r++;
-        r_new = smacker_decode_bigtree(gb, hc, ctx, length + 1);
+        r_new = smacker_decode_bigtree(gb, hc, ctx);
        if (r_new < 0)
            return r_new;
        return r + r_new;
@@ -279,7 +275,7 @@ static int smacker_decode_header_tree(SmackVContext *smk, GetBitContext *gb, int
        goto error;
    }

-    if (smacker_decode_bigtree(gb, &huff, &ctx, 0) < 0)
+    if (smacker_decode_bigtree(gb, &huff, &ctx) < 0)
        err = -1;
    skip_bits1(gb);
    if(ctx.last[0] == -1) ctx.last[0] = huff.current++;
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 .1.7
 .0.git