Changelog: update

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
avcodec/motion_est: Attempt to fix "short data segment overflowed" on IA64
2016-04-29 13:27:40 +02:00 · 2016-04-29 13:04:17 +02:00 · 2016-04-28 23:26:45 +02:00 · 2016-04-27 05:43:39 +02:00 · 2016-04-27 04:40:12 +02:00 · 2016-04-27 04:40:12 +02:00
161 changed files with 1887 additions and 682 deletions
@@ -1,6 +1,244 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.

+version 2.8.7
+- avcodec/motion_est: Attempt to fix "short data segment overflowed" on IA64
+- avformat/ffmdec: Check pix_fmt
+- avcodec/ttaenc: Reallocate packet if its too small
+- pgssubdec: fix subpicture output colorspace and range
+- avcodec/ac3dec: Reset SPX when switching from EAC3 to AC3
+- avfilter/vf_drawtext: Check return code of load_glyph()
+- avcodec/takdec: add code that got somehow lost in process of REing
+- avcodec/apedec: fix decoding of stereo files with one channel full of silence
+- avcodec/avpacket: Fix off by 5 error
+- avcodec/h264: Fix for H.264 configuration parsing
+- avcodec/bmp_parser: Ensure remaining_size is not too small in startcode packet crossing corner case
+- avfilter/src_movie: fix how we check for overflows with seek_point
+- avcodec/j2kenc: Add attribution to OpenJPEG project:
+- avcodec/h264_slice: Check PPS more extensively when its not copied
+- avcodec/libutvideodec: copy frame so it has reference counters when refcounted_frames is set
+- avformat/rtpdec_jpeg: fix low contrast image on low quality setting
+- avcodec/mjpegenc_common: Store approximate aspect if exact cannot be stored
+- lavc/hevc: Allow arbitrary garbage in bytestream as long as at least one NAL unit is found.
+- avcodec/resample: Remove disabled and faulty code
+- indeo2: Fix banding artefacts
+- indeo2data: K&R formatting cosmetics
+- avcodec/imgconvert: Support non-planar colorspaces while padding
+- avutil/random_seed: Add the runtime in cycles of the main loop to the entropy pool
+- avutil/channel_layout: AV_CH_LAYOUT_6POINT1_BACK not reachable in parsing
+- avformat/concatdec: set safe mode to enabled instead of auto
+- avformat/utils: fix dts from pts code in compute_pkt_fields() during ascending delay
+- avformat/rtpenc: Fix integer overflow in NTP_TO_RTP_FORMAT
+- avformat/cache: Fix memleak of tree entries
+- lavf/mov: downgrade sidx errors to non-fatal warnings; fixes trac #5216 (cherry picked from commit 22dbc1caaf13e4bb17c9e0164a5b1ccaf490e428)
+- lavf/mov: fix sidx with edit lists (cherry picked from commit 3617e69d50dd9dd07b5011dfb9477a9d1a630354)
+- avcodec/mjpegdec: Fix decoding slightly odd progressive jpeg
+- libwebpenc_animencoder: print library messages in verbose log levels
+- libwebpenc_animencoder: zero initialize the WebPAnimEncoderOptions struct
+- doc/utils: fix typo for min() description
+- avcodec/avpacket: clear priv in av_init_packet()
+- swscale/utils: Fix chrSrcHSubSample for GBRAP16
+- swscale/input: Fix GBRAP16 input
+- postproc: fix unaligned access
+- avutil/pixdesc: Make get_color_type() aware of CIE XYZ formats
+- avcodec/h264: Execute error concealment before marking the frame as done.
+- swscale/x86/output: Fix yuv2planeX_16* with unaligned destination
+- swscale/x86/output: Move code into yuv2planeX_mainloop
+- avutil/frame: Free destination qp_table_buf in frame_copy_props()
+
+
+version 2.8.6
+- avcodec/jpeg2000dec: More completely check cdef
+- avutil/opt: check for and handle errors in av_opt_set_dict2()
+- avcodec/flacenc: fix calculation of bits required in case of custom sample rate
+- avformat: Document urls a bit
+- avformat/libquvi: Set default demuxer and protocol limitations
+- avformat/concat: Check protocol prefix
+- doc/demuxers: Document enable_drefs and use_absolute_path
+- avcodec/mjpegdec: Check for end for both bytes in unescaping
+- avcodec/mpegvideo_enc: Check for integer overflow in ff_mpv_reallocate_putbitbuffer()
+- avformat/avformat: Replace some references to filenames by urls
+- avcodec/wmaenc: Check ff_wma_init() for failure
+- avcodec/mpeg12enc: Move high resolution thread check to before initializing threads
+- avformat/img2dec: Use AVOpenCallback
+- avformat/avio: Limit url option parsing to the documented cases
+- avformat/img2dec: do not interpret the filename by default if a IO context has been opened
+- avcodec/ass_split: Fix null pointer dereference in ff_ass_style_get()
+- mov: Add an option to toggle dref opening
+- avcodec/gif: Fix lzw buffer size
+- avcodec/put_bits: Assert buf_ptr in flush_put_bits()
+- avcodec/tiff: Check subsample & rps values more completely
+- swscale/swscale: Add some sanity checks for srcSlice* parameters
+- swscale/x86/rgb2rgb_template: Fix planar2x() for short width
+- swscale/swscale_unscaled: Fix odd height inputs for bayer_to_yv12_wrapper()
+- swscale/swscale_unscaled: Fix odd height inputs for bayer_to_rgb24_wrapper()
+- avcodec/aacenc: Check both channels for finiteness
+- asfdec_o: check for too small size in asf_read_unknown
+- asfdec_o: break if EOF is reached after asf_read_packet_header
+- asfdec_o: make sure packet_size is non-zero before seeking
+- asfdec_o: prevent overflow causing seekback
+- asfdec_o: check avio_skip in asf_read_simple_index
+- asfdec_o: reject size > INT64_MAX in asf_read_unknown
+- asfdec_o: only set asf_pkt->data_size after sanity checks
+- Merge commit '8375dc1dd101d51baa430f34c0bcadfa37873896'
+- dca: fix misaligned access in avpriv_dca_convert_bitstream
+- brstm: fix missing closing brace
+- brstm: also allocate b->table in read_packet
+- brstm: make sure an ADPC chunk was read for adpcm_thp
+- vorbisdec: reject rangebits 0 with non-0 partitions
+- vorbisdec: reject channel mapping with less than two channels
+- ffmdec: reset packet_end in case of failure
+- avformat/ipmovie: put video decoding_map_size into packet and use it in decoder
+- avformat/brstm: fix overflow
+
+
+version 2.8.5
+- avformat/hls: Even stricter URL checks
+- avformat/hls: More strict url checks
+- avcodec/pngenc: Fix mixed up linesizes
+- avcodec/pngenc: Replace memcpy by av_image_copy()
+- swscale/vscale: Check that 2 tap filters are bilinear before using bilinear code
+- swscale: Move VScalerContext into vscale.c
+- swscale/utils: Detect and skip unneeded sws_setColorspaceDetails() calls
+- swscale/yuv2rgb: Increase YUV2RGB table headroom
+- swscale/yuv2rgb: Factor YUVRGB_TABLE_LUMA_HEADROOM out
+- avformat/hls: forbid all protocols except http(s) & file
+- avformat/aviobuf: Fix end check in put_str16()
+- avformat/asfenc: Check pts
+- avcodec/mpeg4video: Check time_incr
+- avcodec/wavpackenc: Check the number of channels
+- avcodec/wavpackenc: Headers are per channel
+- avcodec/aacdec_template: Check id_map
+- avcodec/dvdec: Fix "left shift of negative value -254"
+- avcodec/g2meet: Check for ff_els_decode_bit() failure in epic_decode_run_length()
+- avcodec/mjpegdec: Fix negative shift
+- avcodec/mss2: Check for repeat overflow
+- avformat: Add integer fps from 31 to 60 to get_std_framerate()
+- avformat/ivfenc: fix division by zero
+- avcodec/mpegvideo_enc: Clip bits_per_raw_sample within valid range
+- avfilter/vf_scale: set proper out frame color range
+- avcodec/motion_est: Fix mv_penalty table size
+- avcodec/h264_slice: Fix integer overflow in implicit weight computation
+- swscale/utils: Use normal bilinear scaler if fast cannot be used due to tiny dimensions
+- avcodec/put_bits: Always check buffer end before writing
+- mjpegdec: extend check for incompatible values of s->rgb and s->ls
+- swscale/utils: Fix intermediate format for cascaded alpha downscaling
+- avformat/mov: Update handbrake_version threshold for full mp3 parsing
+- x86/float_dsp: zero extend offset from ff_scalarproduct_float_sse
+- avfilter/vf_zoompan: do not free frame we pushed to lavfi
+- nuv: sanitize negative fps rate
+- nutdec: reject negative value_len in read_sm_data
+- xwddec: prevent overflow of lsize * avctx->height
+- nutdec: only copy the header if it exists
+- exr: fix out of bounds read in get_code
+- on2avc: limit number of bits to 30 in get_egolomb
+
+
+version 2.8.4
+- rawdec: only exempt BIT0 with need_copy from buffer sanity check
+- mlvdec: check that index_entries exist
+- avcodec/mpeg4videodec: also for empty partitioned slices
+- avcodec/h264_refs: Fix long_idx check
+- avcodec/h264_mc_template: prefetch list1 only if it is used in the MB
+- avcodec/h264_slice: Simplify ref2frm indexing
+- avfilter/vf_mpdecimate: Add missing emms_c()
+- sonic: make sure num_taps * channels is not larger than frame_size
+- opus_silk: fix typo causing overflow in silk_stabilize_lsf
+- ffm: reject invalid codec_id and codec_type
+- golomb: always check for invalid UE golomb codes in get_ue_golomb
+- sbr_qmf_analysis: sanitize input for 32-bit imdct
+- sbrdsp_fixed: assert that input values are in the valid range
+- aacsbr: ensure strictly monotone time borders
+- aacenc: update max_sfb when num_swb changes
+- aaccoder: prevent crash of anmr coder
+- ffmdec: reject zero-sized chunks
+- swscale/x86/rgb2rgb_template: Fallback to mmx in interleaveBytes() if the alignment is insufficient for SSE*
+- swscale/x86/rgb2rgb_template: Do not crash on misaligend stride
+- avformat/mxfenc: Do not crash if there is no packet in the first stream
+- lavf/tee: fix side data double free.
+- avformat/hlsenc: Check the return code of avformat_write_header()
+- avformat/mov: Enable parser for mp3s by old HandBrake
+- avformat/mxfenc: Fix integer overflow in length computation
+- avformat/utils: estimate_timings_from_pts - increase retry counter, fixes invalid duration for ts files with hevc codec
+- avformat/matroskaenc: Check codecdelay before use
+- avutil/mathematics: Fix division by 0
+- mjpegdec: consider chroma subsampling in size check
+- libvpxenc: remove some unused ctrl id mappings
+- avcodec/vp3: ensure header is parsed successfully before tables
+- avcodec/jpeg2000dec: Check bpno in decode_cblk()
+- avcodec/pgssubdec: Fix left shift of 255 by 24 places cannot be represented in type int
+- swscale/utils: Fix for runtime error: left shift of negative value -1
+- avcodec/hevc: Fix integer overflow of entry_point_offset
+- avcodec/dirac_parser: Check that there is a previous PU before accessing it
+- avcodec/dirac_parser: Add basic validity checks for next_pu_offset and prev_pu_offset
+- avcodec/dirac_parser: Fix potential overflows in pointer checks
+- avcodec/wmaprodec: Check bits per sample to be within the range not causing integer overflows
+- avcodec/wmaprodec: Fix overflow of cutoff
+- avformat/smacker: fix integer overflow with pts_inc
+- avcodec/vp3: Fix "runtime error: left shift of negative value"
+- avformat/riffdec: Initialize bitrate
+- mpegencts: Fix overflow in cbr mode period calculations
+- avutil/timecode: Fix fps check
+- avutil/mathematics: return INT64_MIN (=AV_NOPTS_VALUE) from av_rescale_rnd() for overflows
+- avcodec/apedec: Check length in long_filter_high_3800()
+- avcodec/vp3: always set pix_fmt in theora_decode_header()
+- avcodec/mpeg4videodec: Check available data before reading custom matrix
+- avutil/mathematics: Do not treat INT64_MIN as positive in av_rescale_rnd
+- avutil/integer: Fix av_mod_i() with negative dividend
+- avformat/dump: Fix integer overflow in av_dump_format()
+- avcodec/h264_refs: Check that long references match before use
+- avcodec/utils: Clear dimensions in ff_get_buffer() on failure
+- avcodec/utils: Use 64bit for aspect ratio calculation in avcodec_string()
+- avcodec/hevc: Check max ctb addresses for WPP
+- avcodec/vp3: Clear context on reinitialization failure
+- avcodec/hevc: allocate entries unconditionally
+- avcodec/hevc_cabac: Fix multiple integer overflows
+- avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_encode*()
+- avcodec/jpeg2000dwt: Check ndeclevels before calling dwt_decode*()
+- avcodec/hevc: Check entry_point_offsets
+- lavf/rtpenc_jpeg: Less strict check for standard Huffman tables.
+- avcodec/ffv1dec: Clear quant_table_count if its invalid
+- avcodec/ffv1dec: Print an error if the quant table count is invalid
+- doc/filters/drawtext: fix centering example
+
+
+version 2.8.3
+- avcodec/cabac: Check initial cabac decoder state
+- avcodec/cabac_functions: Fix "left shift of negative value -31767"
+- avcodec/h264_slice: Limit max_contexts when slice_context_count is initialized
+- rtmpcrypt: Do the xtea decryption in little endian mode
+- avformat/matroskadec: Check subtitle stream before dereferencing
+- avcodec/pngdec: Replace assert by request for sample for unsupported TRNS cases
+- avformat/utils: Do not init parser if probing is unfinished
+- avcodec/jpeg2000dec: Fix potential integer overflow with tile dimensions
+- avcodec/jpeg2000: Use av_image_check_size() in ff_jpeg2000_init_component()
+- avcodec/wmaprodec: Check for overread in decode_packet()
+- avcodec/smacker: Check that the data size is a multiple of a sample vector
+- avcodec/takdec: Skip last p2 sample (which is unused)
+- avcodec/dxtory: Fix input size check in dxtory_decode_v1_410()
+- avcodec/dxtory: Fix input size check in dxtory_decode_v1_420()
+- avcodec/error_resilience: avoid accessing previous or next frames tables beyond height
+- avcodec/dpx: Move need_align to act per line
+- avcodec/flashsv: Check size before updating it
+- avcodec/ivi: Check image dimensions
+- avcodec/utils: Better check for channels in av_get_audio_frame_duration()
+- avcodec/jpeg2000dec: Check for duplicate SIZ marker
+- aacsbr: don't call sbr_dequant twice without intermediate read_sbr_data
+- hqx: correct type and size check of info_offset
+- mxfdec: check edit_rate also for physical_track
+- avcodec/jpeg2000: Change coord to 32bit to support larger than 32k width or height
+- avcodec/jpeg2000dec: Check SIZ dimensions to be within the supported range
+- avcodec/jpeg2000: Check comp coords to be within the supported size
+- mpegvideo: clear overread in clear_context
+- avcodec/avrndec: Use the AVFrame format instead of the context
+- dds: disable palette flag for compressed images
+- dds: validate compressed source buffer size
+- dds: validate source buffer size before copying
+- dvdsubdec: validate offset2 similar to offset1
+- brstm: reject negative sample rate
+- aacps: avoid division by zero in stereo_processing
+- softfloat: assert when the argument of av_sqrt_sf is negative
+
 version 2.8.2
 - various fixes in the aac_fixed decoder
 - various fixes in softfloat
@@ -559,6 +559,7 @@ Windows ICL                             Matthew Oliver
 ADI/Blackfin DSP                        Marc Hoffman
 Sparc                                   Roman Shaposhnik
 x86                                     Michael Niedermayer
+OS/2                                    KO Myung-Hun


 Releases
@@ -1 +1 @@
-2.8.2
+2.8.7
@@ -6141,7 +6141,7 @@ cat > $TMPH <<EOF
 #define FFMPEG_CONFIG_H
 #define FFMPEG_CONFIGURATION "$(c_escape $FFMPEG_CONFIGURATION)"
 #define FFMPEG_LICENSE "$(c_escape $license)"
-#define CONFIG_THIS_YEAR 2015
+#define CONFIG_THIS_YEAR 2016
 #define FFMPEG_DATADIR "$(eval c_escape $datadir)"
 #define AVCONV_DATADIR "$(eval c_escape $datadir)"
 #define CC_IDENT "$(c_escape ${cc_ident:-Unknown compiler})"
@@ -31,7 +31,7 @@ PROJECT_NAME           = FFmpeg
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.

-PROJECT_NUMBER         = 2.8.2
+PROJECT_NUMBER         = 2.8.7

 # 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
@@ -104,7 +104,7 @@ All subsequent file-related directives apply to that file.

@item @code{ffconcat version 1.0}
 Identify the script type and version. It also sets the @option{safe} option
-to 1 if it was to its default -1.
+to 1 if it was -1.

 To make FFmpeg recognize the format automatically, this directive must
 appears exactly as is (no extra space or byte-order-mark) on the very first
@@ -192,7 +192,9 @@ component.

 If set to 0, any file name is accepted.

-The default is -1, it is equivalent to 1 if the format was automatically
+The default is 1.
+
+-1 is equivalent to 1 if the format was automatically
 probed and 0 otherwise.

@item auto_convert
@@ -416,6 +418,23 @@ ffmpeg -framerate 10 -pattern_type glob -i "*.png" out.mkv
@end example
@end itemize

+@section mov/mp4/3gp/Quicktme
+
+Quicktime / MP4 demuxer.
+
+This demuxer accepts the following options:
+@table @option
+@item enable_drefs
+Enable loading of external tracks, disabled by default.
+Enabling this can theoretically leak information in some use cases.
+
+@item use_absolute_path
+Allows loading of external tracks via absolute paths, disabled by default.
+Enabling this poses a security risk. It should only be enabled if the source
+is known to be non malicious.
+
+@end table
+
@section mpegts

 MPEG-2 transport stream demuxer.
@@ -4967,7 +4967,7 @@ within the parameter list.
@item
 Show the text at the center of the video frame:
@example
-drawtext="fontsize=30:fontfile=FreeSerif.ttf:text='hello world':x=(w-text_w)/2:y=(h-text_h-line_h)/2"
+drawtext="fontsize=30:fontfile=FreeSerif.ttf:text='hello world':x=(w-text_w)/2:y=(h-text_h)/2"
@end example

@item
@@ -869,7 +869,7 @@ Return 1 if @var{x} is lesser than or equal to @var{y}, 0 otherwise.
 Return the maximum between @var{x} and @var{y}.

@item min(x, y)
-Return the maximum between @var{x} and @var{y}.
+Return the minimum between @var{x} and @var{y}.

@item mod(x, y)
 Compute the remainder of division of @var{x} by @var{y}.
@@ -499,7 +499,7 @@ static void search_for_quantizers_anmr(AVCodecContext *avctx, AACEncContext *s,
    }
    while (idx) {
        sce->sf_idx[bandaddr[idx]] = minq + q0;
-        minq = paths[idx][minq].prev;
+        minq = FFMAX(paths[idx][minq].prev, 0);
        idx--;
    }
    //set the same quantizers inside window groups
@@ -449,6 +449,10 @@ static int output_configure(AACContext *ac,
        int type =         layout_map[i][0];
        int id =           layout_map[i][1];
        id_map[type][id] = type_counts[type]++;
+        if (id_map[type][id] >= MAX_ELEM_ID) {
+            avpriv_request_sample(ac->avctx, "Remapped id too large\n");
+            return AVERROR_PATCHWELCOME;
+        }
    }
    // Try to sniff a reasonable channel order, otherwise output the
    // channels in the order the PCE declared them.
@@ -547,6 +547,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
            ics->num_windows        = wi[ch].num_windows;
            ics->swb_sizes          = s->psy.bands    [ics->num_windows == 8];
            ics->num_swb            = tag == TYPE_LFE ? ics->num_swb : s->psy.num_bands[ics->num_windows == 8];
+            ics->max_sfb            = FFMIN(ics->max_sfb, ics->num_swb);
            ics->swb_offset         = wi[ch].window_type[0] == EIGHT_SHORT_SEQUENCE ?
                                        ff_swb_offset_128 [s->samplerate_index]:
                                        ff_swb_offset_1024[s->samplerate_index];
@@ -571,8 +572,16 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
            }

            apply_window_and_mdct(s, &cpe->ch[ch], overlap);
-            if (isnan(cpe->ch->coeffs[0])) {
-                av_log(avctx, AV_LOG_ERROR, "Input contains NaN\n");
+
+            if (isnan(cpe->ch[ch].coeffs[    0]) || isinf(cpe->ch[ch].coeffs[    0]) ||
+                isnan(cpe->ch[ch].coeffs[  128]) || isinf(cpe->ch[ch].coeffs[  128]) ||
+                isnan(cpe->ch[ch].coeffs[2*128]) || isinf(cpe->ch[ch].coeffs[2*128]) ||
+                isnan(cpe->ch[ch].coeffs[3*128]) || isinf(cpe->ch[ch].coeffs[3*128]) ||
+                isnan(cpe->ch[ch].coeffs[4*128]) || isinf(cpe->ch[ch].coeffs[4*128]) ||
+                isnan(cpe->ch[ch].coeffs[5*128]) || isinf(cpe->ch[ch].coeffs[5*128]) ||
+                isnan(cpe->ch[ch].coeffs[6*128]) || isinf(cpe->ch[ch].coeffs[6*128]) ||
+                isnan(cpe->ch[ch].coeffs[7*128]) || isinf(cpe->ch[ch].coeffs[7*128])) {
+                av_log(avctx, AV_LOG_ERROR, "Input contains NaN/+-Inf\n");
                return AVERROR(EINVAL);
            }
            avoid_clipping(s, &cpe->ch[ch]);
@@ -940,7 +940,7 @@ static void stereo_processing(PSContext *ps, INTFLOAT (*l)[32][2], INTFLOAT (*r)
            LOCAL_ALIGNED_16(INTFLOAT, h_step, [2], [4]);
            int start = ps->border_position[e];
            int stop  = ps->border_position[e+1];
-            INTFLOAT width = Q30(1.f) / (stop - start);
+            INTFLOAT width = Q30(1.f) / ((stop - start) ? (stop - start) : 1);
 #if USE_FIXED
            width <<= 1;
 #endif
@@ -70,6 +70,7 @@ av_cold void AAC_RENAME(ff_aac_sbr_init)(void)
 /** Places SBR in pure upsampling mode. */
 static void sbr_turnoff(SpectralBandReplication *sbr) {
    sbr->start = 0;
+    sbr->ready_for_dequant = 0;
    // Init defults used in pure upsampling mode
    sbr->kx[1] = 32; //Typo in spec, kx' inits to 32
    sbr->m[1] = 0;
@@ -177,6 +178,7 @@ static unsigned int read_sbr_header(SpectralBandReplication *sbr, GetBitContext
    SpectrumParameters old_spectrum_params;

    sbr->start = 1;
+    sbr->ready_for_dequant = 0;

    // Save last spectrum parameters variables to compare to new ones
    memcpy(&old_spectrum_params, &sbr->spectrum_params, sizeof(SpectrumParameters));
@@ -716,8 +718,8 @@ static int read_sbr_grid(AACContext *ac, SpectralBandReplication *sbr,
    }

    for (i = 1; i <= ch_data->bs_num_env; i++) {
-        if (ch_data->t_env[i-1] > ch_data->t_env[i]) {
-            av_log(ac->avctx, AV_LOG_ERROR, "Non monotone time borders\n");
+        if (ch_data->t_env[i-1] >= ch_data->t_env[i]) {
+            av_log(ac->avctx, AV_LOG_ERROR, "Not strictly monotone time borders\n");
            return -1;
        }
    }
@@ -1032,6 +1034,7 @@ static unsigned int read_sbr_data(AACContext *ac, SpectralBandReplication *sbr,
    unsigned int cnt = get_bits_count(gb);

    sbr->id_aac = id_aac;
+    sbr->ready_for_dequant = 1;

    if (id_aac == TYPE_SCE || id_aac == TYPE_CCE) {
        if (read_sbr_single_channel_element(ac, sbr, gb)) {
@@ -1151,6 +1154,9 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
                             INTFLOAT z[320], INTFLOAT W[2][32][32][2], int buf_idx)
 {
    int i;
+#if USE_FIXED
+    int j;
+#endif
    memcpy(x    , x+1024, (320-32)*sizeof(x[0]));
    memcpy(x+288, in,         1024*sizeof(x[0]));
    for (i = 0; i < 32; i++) { // numTimeSlots*RATE = 16*2 as 960 sample frames
@@ -1158,6 +1164,21 @@ static void sbr_qmf_analysis(AVFloatDSPContext *dsp, FFTContext *mdct,
        dsp->vector_fmul_reverse(z, sbr_qmf_window_ds, x, 320);
        sbrdsp->sum64x5(z);
        sbrdsp->qmf_pre_shuffle(z);
+#if USE_FIXED
+        for (j = 64; j < 128; j++) {
+            if (z[j] > 1<<24) {
+                av_log(NULL, AV_LOG_WARNING,
+                       "sbr_qmf_analysis: value %09d too large, setting to %09d\n",
+                       z[j], 1<<24);
+                z[j] = 1<<24;
+            } else if (z[j] < -(1<<24)) {
+                av_log(NULL, AV_LOG_WARNING,
+                       "sbr_qmf_analysis: value %09d too small, setting to %09d\n",
+                       z[j], -(1<<24));
+                z[j] = -(1<<24);
+            }
+        }
+#endif
        mdct->imdct_half(mdct, z, z+64);
        sbrdsp->qmf_post_shuffle(W[buf_idx][i], z);
        x += 32;
@@ -1449,6 +1470,12 @@ void AAC_RENAME(ff_sbr_apply)(AACContext *ac, SpectralBandReplication *sbr, int
        sbr_turnoff(sbr);
    }

+    if (sbr->start && !sbr->ready_for_dequant) {
+        av_log(ac->avctx, AV_LOG_ERROR,
+               "No quantized data read for sbr_dequant.\n");
+        sbr_turnoff(sbr);
+    }
+
    if (!sbr->kx_and_m_pushed) {
        sbr->kx[0] = sbr->kx[1];
        sbr->m[0] = sbr->m[1];
@@ -1458,6 +1485,7 @@ void AAC_RENAME(ff_sbr_apply)(AACContext *ac, SpectralBandReplication *sbr, int

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

@@ -892,6 +892,9 @@ static void long_filter_high_3800(int32_t *buffer, int order, int shift, int len
    int32_t dotprod, sign;
    int32_t coeffs[256], delay[256];

+    if (order >= length)
+        return;
+
    memset(coeffs, 0, order * sizeof(*coeffs));
    for (i = 0; i < order; i++)
        delay[i] = buffer[i];
@@ -1369,7 +1372,7 @@ static void ape_unpack_stereo(APEContext *ctx, int count)
    int32_t *decoded0 = ctx->decoded[0];
    int32_t *decoded1 = ctx->decoded[1];

-    if (ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) {
+    if ((ctx->frameflags & APE_FRAMECODE_STEREO_SILENCE) == APE_FRAMECODE_STEREO_SILENCE) {
        /* We are pure silence, so we're done. */
        av_log(ctx->avctx, AV_LOG_DEBUG, "pure silence stereo\n");
        return;
@@ -525,7 +525,7 @@ ASSStyle *ff_ass_style_get(ASSSplitContext *ctx, const char *style)
    if (!style || !*style)
        style = "Default";
    for (i=0; i<ass->styles_count; i++)
-        if (!strcmp(ass->styles[i].name, style))
+        if (ass->styles[i].name && !strcmp(ass->styles[i].name, style))
            return ass->styles + i;
    return NULL;
 }
@@ -58,6 +58,7 @@ void av_init_packet(AVPacket *pkt)
 #if FF_API_DESTRUCT_PACKET
 FF_DISABLE_DEPRECATION_WARNINGS
    pkt->destruct             = NULL;
+    pkt->priv                 = NULL;
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
    pkt->buf                  = NULL;
@@ -410,10 +411,12 @@ int av_packet_split_side_data(AVPacket *pkt){
        p = pkt->data + pkt->size - 8 - 5;
        for (i=1; ; i++){
            size = AV_RB32(p);
-            if (size>INT_MAX || p - pkt->data < size)
+            if (size>INT_MAX - 5 || p - pkt->data < size)
                return 0;
            if (p[4]&128)
                break;
+            if (p - pkt->data < size + 5)
+                return 0;
            p-= size+5;
        }

@@ -424,7 +427,7 @@ int av_packet_split_side_data(AVPacket *pkt){
        p= pkt->data + pkt->size - 8 - 5;
        for (i=0; ; i++){
            size= AV_RB32(p);
-            av_assert0(size<=INT_MAX && p - pkt->data >= size);
+            av_assert0(size<=INT_MAX - 5 && p - pkt->data >= size);
            pkt->side_data[i].data = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
            pkt->side_data[i].size = size;
            pkt->side_data[i].type = p[4]&127;
@@ -113,7 +113,7 @@ static int decode_frame(AVCodecContext *avctx, void *data,
            int shift = p->height - avctx->height;
            int subsample_h, subsample_v;

-            av_pix_fmt_get_chroma_sub_sample(avctx->pix_fmt, &subsample_h, &subsample_v);
+            av_pix_fmt_get_chroma_sub_sample(p->format, &subsample_h, &subsample_v);

            p->data[0] += p->linesize[0] * shift;
            if (p->data[2]) {
@@ -63,7 +63,7 @@ restart:
                    continue;
                }
                bpc->pc.frame_start_found++;
-                bpc->remaining_size = bpc->fsize + i - 17;
+                bpc->remaining_size = bpc->fsize + FFMAX(i - 17, 0);

                if (bpc->pc.index + i > 17) {
                    next = i - 17;
@@ -51,7 +51,7 @@ void ff_init_cabac_encoder(CABACContext *c, uint8_t *buf, int buf_size){
 *
 * @param buf_size size of buf in bits
 */
-void ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size){
+int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size){
    c->bytestream_start=
    c->bytestream= buf;
    c->bytestream_end= buf + buf_size;
@@ -64,6 +64,9 @@ void ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size){
 #endif
    c->low+= ((*c->bytestream++)<<2) + 2;
    c->range= 0x1FE;
+    if ((c->range<<(CABAC_BITS+1)) < c->low)
+        return AVERROR_INVALIDDATA;
+    return 0;
 }

 void ff_init_cabac_states(void)
@@ -56,7 +56,7 @@ typedef struct CABACContext{
 }CABACContext;

 void ff_init_cabac_encoder(CABACContext *c, uint8_t *buf, int buf_size);
-void ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size);
+int ff_init_cabac_decoder(CABACContext *c, const uint8_t *buf, int buf_size);
 void ff_init_cabac_states(void);

 #endif /* AVCODEC_CABAC_H */
@@ -74,7 +74,8 @@ static inline void renorm_cabac_decoder_once(CABACContext *c){

 #ifndef get_cabac_inline
 static void refill2(CABACContext *c){
-    int i, x;
+    int i;
+    unsigned x;

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

    return ptr;
 }
@@ -41,8 +41,6 @@ int avpriv_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
 {
    uint32_t mrk;
    int i, tmp;
-    const uint16_t *ssrc = (const uint16_t *) src;
-    uint16_t *sdst = (uint16_t *) dst;
    PutBitContext pb;

    if ((unsigned) src_size > (unsigned) max_size)
@@ -54,8 +52,11 @@ int avpriv_dca_convert_bitstream(const uint8_t *src, int src_size, uint8_t *dst,
        memcpy(dst, src, src_size);
        return src_size;
    case DCA_SYNCWORD_CORE_LE:
-        for (i = 0; i < (src_size + 1) >> 1; i++)
-            *sdst++ = av_bswap16(*ssrc++);
+        for (i = 0; i < (src_size + 1) >> 1; i++) {
+            AV_WB16(dst, AV_RL16(src));
+            src += 2;
+            dst += 2;
+        }
        return src_size;
    case DCA_SYNCWORD_CORE_14B_BE:
    case DCA_SYNCWORD_CORE_14B_LE:
@@ -141,6 +141,12 @@ static int parse_pixel_format(AVCodecContext *avctx)
    normal_map      = flags & DDPF_NORMALMAP;
    fourcc = bytestream2_get_le32(gbc);

+    if (ctx->compressed && ctx->paletted) {
+        av_log(avctx, AV_LOG_WARNING,
+               "Disabling invalid palette flag for compressed dds.\n");
+        ctx->paletted = 0;
+    }
+
    bpp = bytestream2_get_le32(gbc); // rgbbitcount
    r   = bytestream2_get_le32(gbc); // rbitmask
    g   = bytestream2_get_le32(gbc); // gbitmask
@@ -642,9 +648,18 @@ static int dds_decode(AVCodecContext *avctx, void *data,
        return ret;

    if (ctx->compressed) {
+        int size = (avctx->coded_height / TEXTURE_BLOCK_H) *
+                   (avctx->coded_width / TEXTURE_BLOCK_W) * ctx->tex_ratio;
        ctx->slice_count = av_clip(avctx->thread_count, 1,
                                   avctx->coded_height / TEXTURE_BLOCK_H);

+        if (bytestream2_get_bytes_left(gbc) < size) {
+            av_log(avctx, AV_LOG_ERROR,
+                   "Compressed Buffer is too small (%d < %d).\n",
+                   bytestream2_get_bytes_left(gbc), size);
+            return AVERROR_INVALIDDATA;
+        }
+
        /* Use the decompress function on the texture, one block per thread. */
        ctx->tex_data = gbc->buffer;
        avctx->execute2(avctx, decompress_texture_thread, frame, NULL, ctx->slice_count);
@@ -666,6 +681,12 @@ static int dds_decode(AVCodecContext *avctx, void *data,
            frame->palette_has_changed = 1;
        }

+        if (bytestream2_get_bytes_left(gbc) < frame->height * linesize) {
+            av_log(avctx, AV_LOG_ERROR, "Buffer is too small (%d < %d).\n",
+                   bytestream2_get_bytes_left(gbc), frame->height * linesize);
+            return AVERROR_INVALIDDATA;
+        }
+
        av_image_copy_plane(frame->data[0], frame->linesize[0],
                            gbc->buffer, linesize,
                            linesize, frame->height);
@@ -100,10 +100,12 @@ typedef struct DiracParseUnit {
 static int unpack_parse_unit(DiracParseUnit *pu, DiracParseContext *pc,
                             int offset)
 {
-    uint8_t *start = pc->buffer + offset;
-    uint8_t *end   = pc->buffer + pc->index;
-    if (start < pc->buffer || (start + 13 > end))
+    int8_t *start;
+
+    if (offset < 0 || pc->index - 13 < offset)
        return 0;
+
+    start = pc->buffer + offset;
    pu->pu_type = start[4];

    pu->next_pu_offset = AV_RB32(start + 5);
@@ -112,6 +114,15 @@ static int unpack_parse_unit(DiracParseUnit *pu, DiracParseContext *pc,
    if (pu->pu_type == 0x10 && pu->next_pu_offset == 0)
        pu->next_pu_offset = 13;

+    if (pu->next_pu_offset && pu->next_pu_offset < 13) {
+        av_log(NULL, AV_LOG_ERROR, "next_pu_offset %d is invalid\n", pu->next_pu_offset);
+        return 0;
+    }
+    if (pu->prev_pu_offset && pu->prev_pu_offset < 13) {
+        av_log(NULL, AV_LOG_ERROR, "prev_pu_offset %d is invalid\n", pu->prev_pu_offset);
+        return 0;
+    }
+
    return 1;
 }

@@ -190,7 +201,7 @@ static int dirac_combine_frame(AVCodecParserContext *s, AVCodecContext *avctx,
        }

        /* Get the picture number to set the pts and dts*/
-        if (parse_timing_info) {
+        if (parse_timing_info && pu1.prev_pu_offset >= 13) {
            uint8_t *cur_pu = pc->buffer +
                              pc->index - 13 - pu1.prev_pu_offset;
            int pts = AV_RB32(cur_pu + 13);
@@ -348,11 +348,11 @@ static int decode_frame(AVCodecContext *avctx,
                // For 12 bit, ignore alpha
                if (elements == 4)
                    buf += 2;
-                // Jump to next aligned position
-                buf += need_align;
            }
            for (i = 0; i < 3; i++)
                ptr[i] += p->linesize[i];
+            // Jump to next aligned position
+            buf += need_align;
        }
        break;
    case 16:
@@ -347,7 +347,7 @@ retry:
                                    dct_mode                        * 22 * 64 +
                                    (quant + ff_dv_quant_offset[class1]) * 64];
            }
-            dc = dc << 2;
+            dc = dc * 4;
            /* convert to unsigned because 128 is not added in the
             * standard IDCT */
            dc                   += 1024;
@@ -346,7 +346,7 @@ static int decode_dvd_subtitles(DVDSubContext *ctx, AVSubtitle *sub_header,
            }
        }
    the_end:
-        if (offset1 >= 0) {
+        if (offset1 >= 0 && offset2 >= 0) {
            int w, h;
            uint8_t *bitmap;

@@ -65,7 +65,7 @@ static int dxtory_decode_v1_410(AVCodecContext *avctx, AVFrame *pic,
    uint8_t *Y1, *Y2, *Y3, *Y4, *U, *V;
    int ret;

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

-    if (src_size < avctx->width * avctx->height * 3LL / 2) {
+    if (src_size < FFALIGN(avctx->width, 2) * FFALIGN(avctx->height, 2) * 3LL / 2) {
        av_log(avctx, AV_LOG_ERROR, "packet too small\n");
        return AVERROR_INVALIDDATA;
    }
@@ -381,14 +381,19 @@ static void guess_mv(ERContext *s)
 #define MV_UNCHANGED 1
    const int mb_stride = s->mb_stride;
    const int mb_width  = s->mb_width;
-    const int mb_height = s->mb_height;
+    int mb_height = s->mb_height;
    int i, depth, num_avail;
    int mb_x, mb_y, mot_step, mot_stride;

+    if (s->last_pic.f && s->last_pic.f->data[0])
+        mb_height = FFMIN(mb_height, (s->last_pic.f->height+15)>>4);
+    if (s->next_pic.f && s->next_pic.f->data[0])
+        mb_height = FFMIN(mb_height, (s->next_pic.f->height+15)>>4);
+
    set_mv_strides(s, &mot_step, &mot_stride);

    num_avail = 0;
-    for (i = 0; i < s->mb_num; i++) {
+    for (i = 0; i < mb_width * mb_height; i++) {
        const int mb_xy = s->mb_index2xy[i];
        int f = 0;
        int error = s->error_status_table[mb_xy];
@@ -413,7 +418,7 @@ static void guess_mv(ERContext *s)

    if ((!(s->avctx->error_concealment&FF_EC_GUESS_MVS)) ||
        num_avail <= mb_width / 2) {
-        for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
+        for (mb_y = 0; mb_y < mb_height; mb_y++) {
            for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
                const int mb_xy = mb_x + mb_y * s->mb_stride;
                int mv_dir = (s->last_pic.f && s->last_pic.f->data[0]) ? MV_DIR_FORWARD : MV_DIR_BACKWARD;
@@ -442,7 +447,7 @@ static void guess_mv(ERContext *s)
            int score_sum = 0;

            changed = 0;
-            for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
+            for (mb_y = 0; mb_y < mb_height; mb_y++) {
                for (mb_x = 0; mb_x < s->mb_width; mb_x++) {
                    const int mb_xy        = mb_x + mb_y * s->mb_stride;
                    int mv_predictor[8][2] = { { 0 } };
@@ -675,7 +680,7 @@ skip_last_mv:
        if (none_left)
            return;

-        for (i = 0; i < s->mb_num; i++) {
+        for (i = 0; i < mb_width * mb_height; i++) {
            int mb_xy = s->mb_index2xy[i];
            if (fixed[mb_xy])
                fixed[mb_xy] = MV_FROZEN;
@@ -459,7 +459,7 @@ static int huf_build_dec_table(const uint64_t *hcode, int im,
        lc += 8;                                                              \
 }

-#define get_code(po, rlc, c, lc, gb, out, oe)                                 \
+#define get_code(po, rlc, c, lc, gb, out, oe, outb)                           \
 {                                                                             \
        if (po == rlc) {                                                      \
            if (lc < 8)                                                       \
@@ -468,7 +468,7 @@ static int huf_build_dec_table(const uint64_t *hcode, int im,
                                                                              \
            cs = c >> lc;                                                     \
                                                                              \
-            if (out + cs > oe)                                                \
+            if (out + cs > oe || out == outb)                                 \
                return AVERROR_INVALIDDATA;                                   \
                                                                              \
            s = out[-1];                                                      \
@@ -501,7 +501,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,

            if (pl.len) {
                lc -= pl.len;
-                get_code(pl.lit, rlc, c, lc, gb, out, oe);
+                get_code(pl.lit, rlc, c, lc, gb, out, oe, outb);
            } else {
                int j;

@@ -518,7 +518,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,
                        if ((hcode[pl.p[j]] >> 6) ==
                            ((c >> (lc - l)) & ((1LL << l) - 1))) {
                            lc -= l;
-                            get_code(pl.p[j], rlc, c, lc, gb, out, oe);
+                            get_code(pl.p[j], rlc, c, lc, gb, out, oe, outb);
                            break;
                        }
                    }
@@ -539,7 +539,7 @@ static int huf_decode(const uint64_t *hcode, const HufDec *hdecod,

        if (pl.len) {
            lc -= pl.len;
-            get_code(pl.lit, rlc, c, lc, gb, out, oe);
+            get_code(pl.lit, rlc, c, lc, gb, out, oe, outb);
        } else {
            return AVERROR_INVALIDDATA;
        }
@@ -569,8 +569,11 @@ static int read_extra_header(FFV1Context *f)
    }

    f->quant_table_count = get_symbol(c, state, 0);
-    if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count)
+    if (f->quant_table_count > (unsigned)MAX_QUANT_TABLES || !f->quant_table_count) {
+        av_log(f->avctx, AV_LOG_ERROR, "quant table count %d is invalid\n", f->quant_table_count);
+        f->quant_table_count = 0;
        return AVERROR_INVALIDDATA;
+    }

    for (i = 0; i < f->quant_table_count; i++) {
        f->context_count[i] = read_quant_tables(c, f->quant_tables[i]);
@@ -1021,7 +1021,7 @@ static int count_frame_header(FlacEncodeContext *s)
        count += 16;

    /* explicit sample rate */
-    count += ((s->sr_code[0] == 12) + (s->sr_code[0] > 12)) * 8;
+    count += ((s->sr_code[0] == 12) + (s->sr_code[0] > 12) * 2) * 8;

    /* frame header CRC-8 */
    count += 8;
@@ -413,6 +413,10 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
                }

                if (has_diff) {
+                    if (size < 3) {
+                        av_log(avctx, AV_LOG_ERROR, "size too small for diff\n");
+                        return AVERROR_INVALIDDATA;
+                    }
                    if (!s->keyframe) {
                        av_log(avctx, AV_LOG_ERROR,
                               "Inter frame without keyframe\n");
@@ -440,6 +444,10 @@ static int flashsv_decode_frame(AVCodecContext *avctx, void *data,
                    int row = get_bits(&gb, 8);
                    av_log(avctx, AV_LOG_DEBUG, "%dx%d zlibprime_curr %dx%d\n",
                           i, j, col, row);
+                    if (size < 3) {
+                        av_log(avctx, AV_LOG_ERROR, "size too small for zlibprime_curr\n");
+                        return AVERROR_INVALIDDATA;
+                    }
                    size -= 2;
                    avpriv_request_sample(avctx, "zlibprime_curr");
                    return AVERROR_PATCHWELCOME;
@@ -631,6 +631,8 @@ static int epic_decode_run_length(ePICContext *dc, int x, int y, int tile_width,
              (NN  != N)  << 1 |
              (NNW != NW);
        WWneW = ff_els_decode_bit(&dc->els_ctx, &dc->W_ctx_rung[idx]);
+        if (WWneW < 0)
+            return WWneW;
    }

    if (WWneW)
@@ -837,10 +839,13 @@ static int epic_decode_tile(ePICContext *dc, uint8_t *out, int tile_height,
                if (y < 2 || x < 2 || x == tile_width - 1) {
                    run       = 1;
                    got_pixel = epic_handle_edges(dc, x, y, curr_row, above_row, &pix);
-                } else
+                } else {
                    got_pixel = epic_decode_run_length(dc, x, y, tile_width,
                                                       curr_row, above_row,
                                                       above2_row, &pix, &run);
+                    if (got_pixel < 0)
+                        return got_pixel;
+                }

                if (!got_pixel && !epic_predict_from_NW_NE(dc, x, y, run,
                                                           tile_width, curr_row,
@@ -43,6 +43,7 @@ typedef struct GIFContext {
    const AVClass *class;
    LZWState *lzw;
    uint8_t *buf;
+    int buf_size;
    AVFrame *last_frame;
    int flags;
    uint32_t palette[AVPALETTE_COUNT];  ///< local reference palette for !pal8
@@ -174,7 +175,7 @@ static int gif_image_write_image(AVCodecContext *avctx,

    bytestream_put_byte(bytestream, 0x08);

-    ff_lzw_encode_init(s->lzw, s->buf, 2 * width * height,
+    ff_lzw_encode_init(s->lzw, s->buf, s->buf_size,
                       12, FF_LZW_GIF, put_bits);

    ptr = buf + y_start*linesize + x_start;
@@ -231,7 +232,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
    s->transparent_index = -1;

    s->lzw = av_mallocz(ff_lzw_encode_state_size);
-    s->buf = av_malloc(avctx->width*avctx->height*2);
+    s->buf_size = avctx->width*avctx->height*2 + 1000;
+    s->buf = av_malloc(s->buf_size);
    s->tmpl = av_malloc(avctx->width);
    if (!s->tmpl || !s->buf || !s->lzw)
        return AVERROR(ENOMEM);
@@ -321,6 +323,7 @@ static int gif_encode_close(AVCodecContext *avctx)

    av_freep(&s->lzw);
    av_freep(&s->buf);
+    s->buf_size = 0;
    av_frame_free(&s->last_frame);
    av_freep(&s->tmpl);
    return 0;
@@ -68,7 +68,7 @@ static inline int get_ue_golomb(GetBitContext *gb)
        int log = 2 * av_log2(buf) - 31;
        LAST_SKIP_BITS(re, gb, 32 - log);
        CLOSE_READER(re, gb);
-        if (CONFIG_FTRAPV && log < 0) {
+        if (log < 7) {
            av_log(NULL, AV_LOG_ERROR, "Invalid UE golomb code\n");
            return AVERROR_INVALIDDATA;
        }
@@ -1674,6 +1674,47 @@ again:

    ret = 0;
 end:
+
+#if CONFIG_ERROR_RESILIENCE
+    sl = h->slice_ctx;
+    /*
+     * FIXME: Error handling code does not seem to support interlaced
+     * when slices span multiple rows
+     * The ff_er_add_slice calls don't work right for bottom
+     * fields; they cause massive erroneous error concealing
+     * Error marking covers both fields (top and bottom).
+     * This causes a mismatched s->error_count
+     * and a bad error table. Further, the error count goes to
+     * INT_MAX when called for bottom field, because mb_y is
+     * past end by one (callers fault) and resync_mb_y != 0
+     * causes problems for the first MB line, too.
+     */
+    if (!FIELD_PICTURE(h) && h->current_slice && !h->sps.new && h->enable_er) {
+        int use_last_pic = h->last_pic_for_ec.f->buf[0] && !sl->ref_count[0];
+
+        ff_h264_set_erpic(&sl->er.cur_pic, h->cur_pic_ptr);
+
+        if (use_last_pic) {
+            ff_h264_set_erpic(&sl->er.last_pic, &h->last_pic_for_ec);
+            sl->ref_list[0][0].parent = &h->last_pic_for_ec;
+            memcpy(sl->ref_list[0][0].data, h->last_pic_for_ec.f->data, sizeof(sl->ref_list[0][0].data));
+            memcpy(sl->ref_list[0][0].linesize, h->last_pic_for_ec.f->linesize, sizeof(sl->ref_list[0][0].linesize));
+            sl->ref_list[0][0].reference = h->last_pic_for_ec.reference;
+        } else if (sl->ref_count[0]) {
+            ff_h264_set_erpic(&sl->er.last_pic, sl->ref_list[0][0].parent);
+        } else
+            ff_h264_set_erpic(&sl->er.last_pic, NULL);
+
+        if (sl->ref_count[1])
+            ff_h264_set_erpic(&sl->er.next_pic, sl->ref_list[1][0].parent);
+
+        sl->er.ref_count = sl->ref_count[0];
+
+        ff_er_frame_end(&sl->er);
+        if (use_last_pic)
+            memset(&sl->ref_list[0][0], 0, sizeof(sl->ref_list[0][0]));
+    }
+#endif /* CONFIG_ERROR_RESILIENCE */
    /* clean up */
    if (h->cur_pic_ptr && !h->droppable) {
        ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
@@ -1736,7 +1777,7 @@ static int is_extra(const uint8_t *buf, int buf_size)
    const uint8_t *p= buf+6;
    while(cnt--){
        int nalsize= AV_RB16(p) + 2;
-        if(nalsize > buf_size - (p-buf) || p[2]!=0x67)
+        if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 7)
            return 0;
        p += nalsize;
    }
@@ -1745,7 +1786,7 @@ static int is_extra(const uint8_t *buf, int buf_size)
        return 0;
    while(cnt--){
        int nalsize= AV_RB16(p) + 2;
-        if(nalsize > buf_size - (p-buf) || p[2]!=0x68)
+        if(nalsize > buf_size - (p-buf) || (p[2] & 0x9F) != 8)
            return 0;
        p += nalsize;
    }
@@ -2026,6 +2026,7 @@ decode_intra_mb:
        const int mb_size = ff_h264_mb_sizes[h->sps.chroma_format_idc] *
                            h->sps.bit_depth_luma >> 3;
        const uint8_t *ptr;
+        int ret;

        // We assume these blocks are very rare so we do not optimize it.
        // FIXME The two following lines get the bitstream position in the cabac
@@ -2042,7 +2043,9 @@ decode_intra_mb:
        sl->intra_pcm_ptr = ptr;
        ptr += mb_size;

-        ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
+        ret = ff_init_cabac_decoder(&sl->cabac, ptr, sl->cabac.bytestream_end - ptr);
+        if (ret < 0)
+            return ret;

        // All blocks are present
        h->cbp_table[mb_xy] = 0xf7ef;
@@ -158,6 +158,7 @@ static void MCFUNC(hl_motion)(const H264Context *h, H264SliceContext *sl,
        }
    }

-    prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
+    if (USES_LIST(mb_type, 1))
+        prefetch_motion(h, sl, 1, PIXEL_SHIFT, CHROMA_IDC);
 }

@@ -186,47 +186,6 @@ int ff_h264_field_end(H264Context *h, H264SliceContext *sl, int in_setup)
        ff_vdpau_h264_picture_complete(h);
 #endif

-#if CONFIG_ERROR_RESILIENCE
-    av_assert0(sl == h->slice_ctx);
-    /*
-     * FIXME: Error handling code does not seem to support interlaced
-     * when slices span multiple rows
-     * The ff_er_add_slice calls don't work right for bottom
-     * fields; they cause massive erroneous error concealing
-     * Error marking covers both fields (top and bottom).
-     * This causes a mismatched s->error_count
-     * and a bad error table. Further, the error count goes to
-     * INT_MAX when called for bottom field, because mb_y is
-     * past end by one (callers fault) and resync_mb_y != 0
-     * causes problems for the first MB line, too.
-     */
-    if (!FIELD_PICTURE(h) && h->current_slice && !h->sps.new && h->enable_er) {
-        int use_last_pic = h->last_pic_for_ec.f->buf[0] && !sl->ref_count[0];
-
-        ff_h264_set_erpic(&sl->er.cur_pic, h->cur_pic_ptr);
-
-        if (use_last_pic) {
-            ff_h264_set_erpic(&sl->er.last_pic, &h->last_pic_for_ec);
-            sl->ref_list[0][0].parent = &h->last_pic_for_ec;
-            memcpy(sl->ref_list[0][0].data, h->last_pic_for_ec.f->data, sizeof(sl->ref_list[0][0].data));
-            memcpy(sl->ref_list[0][0].linesize, h->last_pic_for_ec.f->linesize, sizeof(sl->ref_list[0][0].linesize));
-            sl->ref_list[0][0].reference = h->last_pic_for_ec.reference;
-        } else if (sl->ref_count[0]) {
-            ff_h264_set_erpic(&sl->er.last_pic, sl->ref_list[0][0].parent);
-        } else
-            ff_h264_set_erpic(&sl->er.last_pic, NULL);
-
-        if (sl->ref_count[1])
-            ff_h264_set_erpic(&sl->er.next_pic, sl->ref_list[1][0].parent);
-
-        sl->er.ref_count = sl->ref_count[0];
-
-        ff_er_frame_end(&sl->er);
-        if (use_last_pic)
-            memset(&sl->ref_list[0][0], 0, sizeof(sl->ref_list[0][0]));
-    }
-#endif /* CONFIG_ERROR_RESILIENCE */
-
    if (!in_setup && !h->droppable)
        ff_thread_report_progress(&h->cur_pic_ptr->tf, INT_MAX,
                                  h->picture_structure == PICT_BOTTOM_FIELD);
@@ -122,6 +122,14 @@ static int add_sorted(H264Picture **sorted, H264Picture **src, int len, int limi
    return out_i;
 }

+static int mismatches_ref(H264Context *h, H264Picture *pic)
+{
+    AVFrame *f = pic->f;
+    return (h->cur_pic_ptr->f->width  != f->width ||
+            h->cur_pic_ptr->f->height != f->height ||
+            h->cur_pic_ptr->f->format != f->format);
+}
+
 int ff_h264_fill_default_ref_list(H264Context *h, H264SliceContext *sl)
 {
    int i, len;
@@ -193,10 +201,7 @@ int ff_h264_fill_default_ref_list(H264Context *h, H264SliceContext *sl)
    for (j = 0; j<1+(sl->slice_type_nos == AV_PICTURE_TYPE_B); j++) {
        for (i = 0; i < sl->ref_count[j]; i++) {
            if (h->default_ref_list[j][i].parent) {
-                AVFrame *f = h->default_ref_list[j][i].parent->f;
-                if (h->cur_pic_ptr->f->width  != f->width ||
-                    h->cur_pic_ptr->f->height != f->height ||
-                    h->cur_pic_ptr->f->format != f->format) {
+                if (mismatches_ref(h, h->default_ref_list[j][i].parent)) {
                    av_log(h->avctx, AV_LOG_ERROR, "Discarding mismatching reference\n");
                    memset(&h->default_ref_list[j][i], 0, sizeof(h->default_ref_list[j][i]));
                }
@@ -298,14 +303,14 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h, H264SliceContext *sl)

                    long_idx = pic_num_extract(h, pic_id, &pic_structure);

-                    if (long_idx > 31) {
+                    if (long_idx > 31U) {
                        av_log(h->avctx, AV_LOG_ERROR,
                               "long_term_pic_idx overflow\n");
                        return AVERROR_INVALIDDATA;
                    }
                    ref = h->long_ref[long_idx];
                    assert(!(ref && !ref->reference));
-                    if (ref && (ref->reference & pic_structure)) {
+                    if (ref && (ref->reference & pic_structure) && !mismatches_ref(h, ref)) {
                        ref->pic_id = pic_id;
                        assert(ref->long_ref);
                        i = 0;
@@ -783,7 +783,7 @@ static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, in
            cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
        }
        if (sl->ref_count[0] == 1 && sl->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
-            sl->ref_list[0][0].poc + sl->ref_list[1][0].poc == 2 * cur_poc) {
+            sl->ref_list[0][0].poc + (int64_t)sl->ref_list[1][0].poc == 2 * cur_poc) {
            sl->use_weight        = 0;
            sl->use_weight_chroma = 0;
            return;
@@ -804,7 +804,7 @@ static void implicit_weight_table(const H264Context *h, H264SliceContext *sl, in
    sl->chroma_log2_weight_denom = 5;

    for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
-        int poc0 = sl->ref_list[0][ref0].poc;
+        int64_t poc0 = sl->ref_list[0][ref0].poc;
        for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
            int w = 32;
            if (!sl->ref_list[0][ref0].parent->long_ref && !sl->ref_list[1][ref1].parent->long_ref) {
@@ -1097,6 +1097,7 @@ static int h264_slice_header_init(H264Context *h)
        nb_slices = max_slices;
    }
    h->slice_context_count = nb_slices;
+    h->max_contexts = FFMIN(h->max_contexts, nb_slices);

    if (!HAVE_THREADS || !(h->avctx->active_thread_type & FF_THREAD_SLICE)) {
        ret = ff_h264_slice_context_init(h, &h->slice_ctx[0]);
@@ -1281,9 +1282,13 @@ int ff_h264_decode_slice_header(H264Context *h, H264SliceContext *sl)

    if (first_slice) {
        h->pps = *h->pps_buffers[pps_id];
-    } else if (h->setup_finished && h->dequant_coeff_pps != pps_id) {
-        av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
-        return AVERROR_INVALIDDATA;
+    } else {
+        if (h->pps.sps_id != pps->sps_id ||
+            h->pps.transform_8x8_mode != pps->transform_8x8_mode ||
+            (h->setup_finished && h->dequant_coeff_pps != pps_id)) {
+            av_log(h->avctx, AV_LOG_ERROR, "PPS changed between slices\n");
+            return AVERROR_INVALIDDATA;
+        }
    }

    if (pps->sps_id != h->sps.sps_id ||
@@ -1992,12 +1997,12 @@ static av_always_inline void fill_filter_caches_inter(const H264Context *h,
        if (USES_LIST(top_type, list)) {
            const int b_xy  = h->mb2b_xy[top_xy] + 3 * b_stride;
            const int b8_xy = 4 * top_xy + 2;
-            int (*ref2frm)[64] = (void*)(sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2));
+            int *ref2frm = sl->ref2frm[h->slice_table[top_xy] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
            AV_COPY128(mv_dst - 1 * 8, h->cur_pic.motion_val[list][b_xy + 0]);
            ref_cache[0 - 1 * 8] =
-            ref_cache[1 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 0]];
+            ref_cache[1 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 0]];
            ref_cache[2 - 1 * 8] =
-            ref_cache[3 - 1 * 8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 1]];
+            ref_cache[3 - 1 * 8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 1]];
        } else {
            AV_ZERO128(mv_dst - 1 * 8);
            AV_WN32A(&ref_cache[0 - 1 * 8], ((LIST_NOT_USED) & 0xFF) * 0x01010101u);
@@ -2007,15 +2012,15 @@ static av_always_inline void fill_filter_caches_inter(const H264Context *h,
            if (USES_LIST(left_type[LTOP], list)) {
                const int b_xy  = h->mb2b_xy[left_xy[LTOP]] + 3;
                const int b8_xy = 4 * left_xy[LTOP] + 1;
-                int (*ref2frm)[64] =(void*)( sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2));
+                int *ref2frm = sl->ref2frm[h->slice_table[left_xy[LTOP]] & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
                AV_COPY32(mv_dst - 1 +  0, h->cur_pic.motion_val[list][b_xy + b_stride * 0]);
                AV_COPY32(mv_dst - 1 +  8, h->cur_pic.motion_val[list][b_xy + b_stride * 1]);
                AV_COPY32(mv_dst - 1 + 16, h->cur_pic.motion_val[list][b_xy + b_stride * 2]);
                AV_COPY32(mv_dst - 1 + 24, h->cur_pic.motion_val[list][b_xy + b_stride * 3]);
                ref_cache[-1 +  0] =
-                ref_cache[-1 +  8] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
+                ref_cache[-1 +  8] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 0]];
                ref_cache[-1 + 16] =
-                ref_cache[-1 + 24] = ref2frm[list][h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
+                ref_cache[-1 + 24] = ref2frm[h->cur_pic.ref_index[list][b8_xy + 2 * 1]];
            } else {
                AV_ZERO32(mv_dst - 1 +  0);
                AV_ZERO32(mv_dst - 1 +  8);
@@ -2040,9 +2045,9 @@ static av_always_inline void fill_filter_caches_inter(const H264Context *h,

    {
        int8_t *ref = &h->cur_pic.ref_index[list][4 * mb_xy];
-        int (*ref2frm)[64] = (void*)(sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][0] + (MB_MBAFF(sl) ? 20 : 2));
-        uint32_t ref01 = (pack16to32(ref2frm[list][ref[0]], ref2frm[list][ref[1]]) & 0x00FF00FF) * 0x0101;
-        uint32_t ref23 = (pack16to32(ref2frm[list][ref[2]], ref2frm[list][ref[3]]) & 0x00FF00FF) * 0x0101;
+        int *ref2frm = sl->ref2frm[sl->slice_num & (MAX_SLICES - 1)][list] + (MB_MBAFF(sl) ? 20 : 2);
+        uint32_t ref01 = (pack16to32(ref2frm[ref[0]], ref2frm[ref[1]]) & 0x00FF00FF) * 0x0101;
+        uint32_t ref23 = (pack16to32(ref2frm[ref[2]], ref2frm[ref[3]]) & 0x00FF00FF) * 0x0101;
        AV_WN32A(&ref_cache[0 * 8], ref01);
        AV_WN32A(&ref_cache[1 * 8], ref01);
        AV_WN32A(&ref_cache[2 * 8], ref23);
@@ -2371,9 +2376,11 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
        align_get_bits(&sl->gb);

        /* init cabac */
-        ff_init_cabac_decoder(&sl->cabac,
+        ret = ff_init_cabac_decoder(&sl->cabac,
                              sl->gb.buffer + get_bits_count(&sl->gb) / 8,
                              (get_bits_left(&sl->gb) + 7) / 8);
+        if (ret < 0)
+            return ret;

        ff_h264_init_cabac_states(h, sl);

@@ -744,7 +744,7 @@ static int hls_slice_header(HEVCContext *s)
            av_freep(&sh->entry_point_offset);
            av_freep(&sh->offset);
            av_freep(&sh->size);
-            sh->entry_point_offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(int));
+            sh->entry_point_offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(unsigned));
            sh->offset = av_malloc_array(sh->num_entry_point_offsets, sizeof(int));
            sh->size = av_malloc_array(sh->num_entry_point_offsets, sizeof(int));
            if (!sh->entry_point_offset || !sh->offset || !sh->size) {
@@ -2440,8 +2440,8 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
    HEVCLocalContext *lc = s->HEVClc;
    int *ret = av_malloc_array(s->sh.num_entry_point_offsets + 1, sizeof(int));
    int *arg = av_malloc_array(s->sh.num_entry_point_offsets + 1, sizeof(int));
-    int offset;
-    int startheader, cmpt = 0;
+    int64_t offset;
+    int64_t startheader, cmpt = 0;
    int i, j, res = 0;

    if (!ret || !arg) {
@@ -2450,11 +2450,18 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
        return AVERROR(ENOMEM);
    }

+    if (s->sh.slice_ctb_addr_rs + s->sh.num_entry_point_offsets * s->ps.sps->ctb_width >= s->ps.sps->ctb_width * s->ps.sps->ctb_height) {
+        av_log(s->avctx, AV_LOG_ERROR, "WPP ctb addresses are wrong (%d %d %d %d)\n",
+            s->sh.slice_ctb_addr_rs, s->sh.num_entry_point_offsets,
+            s->ps.sps->ctb_width, s->ps.sps->ctb_height
+        );
+        res = AVERROR_INVALIDDATA;
+        goto error;
+    }
+
+    ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);

    if (!s->sList[1]) {
-        ff_alloc_entries(s->avctx, s->sh.num_entry_point_offsets + 1);
-
-
        for (i = 1; i < s->threads_number; i++) {
            s->sList[i] = av_malloc(sizeof(HEVCContext));
            memcpy(s->sList[i], s, sizeof(HEVCContext));
@@ -2487,6 +2494,11 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)
    }
    if (s->sh.num_entry_point_offsets != 0) {
        offset += s->sh.entry_point_offset[s->sh.num_entry_point_offsets - 1] - cmpt;
+        if (length < offset) {
+            av_log(s->avctx, AV_LOG_ERROR, "entry_point_offset table is corrupted\n");
+            res = AVERROR_INVALIDDATA;
+            goto error;
+        }
        s->sh.size[s->sh.num_entry_point_offsets - 1] = length - offset;
        s->sh.offset[s->sh.num_entry_point_offsets - 1] = offset;

@@ -2513,6 +2525,7 @@ static int hls_slice_data_wpp(HEVCContext *s, const HEVCNAL *nal)

    for (i = 0; i <= s->sh.num_entry_point_offsets; i++)
        res += ret[i];
+error:
    av_free(ret);
    av_free(arg);
    return res;
@@ -622,7 +622,7 @@ typedef struct SliceHeader {

    unsigned int max_num_merge_cand; ///< 5 - 5_minus_max_num_merge_cand

-    int *entry_point_offset;
+    unsigned *entry_point_offset;
    int * offset;
    int * size;
    int num_entry_point_offsets;
@@ -831,11 +831,13 @@ static av_always_inline int mvd_decode(HEVCContext *s)
    int k = 1;

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

    while (prefix < CABAC_MAX_BIN && get_cabac_bypass(&s->HEVClc->cc))
        prefix++;
-    if (prefix == CABAC_MAX_BIN)
+    if (prefix == CABAC_MAX_BIN) {
        av_log(s->avctx, AV_LOG_ERROR, "CABAC_MAX_BIN : %d\n", prefix);
+        return 0;
+    }
    if (prefix < 3) {
        for (i = 0; i < rc_rice_param; i++)
            suffix = (suffix << 1) | get_cabac_bypass(&s->HEVClc->cc);
@@ -232,8 +232,14 @@ int ff_hevc_split_packet(HEVCContext *s, HEVCPacket *pkt, const uint8_t *buf, in
                ++buf;
                --length;
                if (length < 4) {
-                    av_log(avctx, AV_LOG_ERROR, "No start code is found.\n");
-                    return AVERROR_INVALIDDATA;
+                    if (pkt->nb_nals > 0) {
+                        // No more start codes: we discarded some irrelevant
+                        // bytes at the end of the packet.
+                        return 0;
+                    } else {
+                        av_log(avctx, AV_LOG_ERROR, "No start code is found.\n");
+                        return AVERROR_INVALIDDATA;
+                    }
                }
            }

@@ -417,8 +417,8 @@ static int hqx_decode_frame(AVCodecContext *avctx, void *data,

    info_tag    = AV_RL32(src);
    if (info_tag == MKTAG('I', 'N', 'F', 'O')) {
-        int info_offset = AV_RL32(src + 4);
-        if (info_offset > UINT32_MAX - 8 || info_offset + 8 > avpkt->size) {
+        unsigned info_offset = AV_RL32(src + 4);
+        if (info_offset > INT_MAX || info_offset + 8 > avpkt->size) {
            av_log(avctx, AV_LOG_ERROR,
                   "Invalid INFO header offset: 0x%08"PRIX32" is too large.\n",
                   info_offset);
@@ -236,9 +236,41 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
    int x_shift;
    int yheight;
    int i, y;
+    int max_step[4];

-    if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB ||
-        !is_yuv_planar(desc)) return -1;
+    if (pix_fmt < 0 || pix_fmt >= AV_PIX_FMT_NB)
+        return -1;
+
+    if (!is_yuv_planar(desc)) {
+        if (src)
+            return -1; //TODO: Not yet implemented
+
+        av_image_fill_max_pixsteps(max_step, NULL, desc);
+
+        if (padtop || padleft) {
+            memset(dst->data[0], color[0],
+                    dst->linesize[0] * padtop + (padleft * max_step[0]));
+        }
+
+        if (padleft || padright) {
+            optr = dst->data[0] + dst->linesize[0] * padtop +
+                    (dst->linesize[0] - (padright * max_step[0]));
+            yheight = height - 1 - (padtop + padbottom);
+            for (y = 0; y < yheight; y++) {
+                memset(optr, color[0], (padleft + padright) * max_step[0]);
+                optr += dst->linesize[0];
+            }
+        }
+
+        if (padbottom || padright) {
+            optr = dst->data[0] + dst->linesize[0] * (height - padbottom) -
+                    (padright * max_step[0]);
+            memset(optr, color[0], dst->linesize[0] * padbottom +
+                    (padright * max_step[0]));
+        }
+
+        return 0;
+    }

    for (i = 0; i < 3; i++) {
        x_shift = i ? desc->log2_chroma_w : 0;
@@ -284,6 +316,7 @@ int av_picture_pad(AVPicture *dst, const AVPicture *src, int height, int width,
                (padbottom >> y_shift) + (padright >> x_shift));
        }
    }
+
    return 0;
 }

@@ -146,6 +146,7 @@ static int ir2_decode_frame(AVCodecContext *avctx,
    AVFrame *picture     = data;
    AVFrame * const p    = s->picture;
    int start, ret;
+    int ltab, ctab;

    if ((ret = ff_reget_buffer(avctx, p)) < 0)
        return ret;
@@ -167,34 +168,36 @@ static int ir2_decode_frame(AVCodecContext *avctx,

    init_get_bits(&s->gb, buf + start, (buf_size - start) * 8);

+    ltab = buf[0x22] & 3;
+    ctab = buf[0x22] >> 2;
    if (s->decode_delta) { /* intraframe */
        if ((ret = ir2_decode_plane(s, avctx->width, avctx->height,
                                    p->data[0], p->linesize[0],
-                                    ir2_luma_table)) < 0)
+                                    ir2_delta_table[ltab])) < 0)
            return ret;

        /* swapped U and V */
        if ((ret = ir2_decode_plane(s, avctx->width >> 2, avctx->height >> 2,
                                    p->data[2], p->linesize[2],
-                                    ir2_luma_table)) < 0)
+                                    ir2_delta_table[ctab])) < 0)
            return ret;
        if ((ret = ir2_decode_plane(s, avctx->width >> 2, avctx->height >> 2,
                                    p->data[1], p->linesize[1],
-                                    ir2_luma_table)) < 0)
+                                    ir2_delta_table[ctab])) < 0)
            return ret;
    } else { /* interframe */
        if ((ret = ir2_decode_plane_inter(s, avctx->width, avctx->height,
                                          p->data[0], p->linesize[0],
-                                          ir2_luma_table)) < 0)
+                                          ir2_delta_table[ltab])) < 0)
            return ret;
        /* swapped U and V */
        if ((ret = ir2_decode_plane_inter(s, avctx->width >> 2, avctx->height >> 2,
                                          p->data[2], p->linesize[2],
-                                          ir2_luma_table)) < 0)
+                                          ir2_delta_table[ctab])) < 0)
            return ret;
        if ((ret = ir2_decode_plane_inter(s, avctx->width >> 2, avctx->height >> 2,
                                          p->data[1], p->linesize[1],
-                                          ir2_luma_table)) < 0)
+                                          ir2_delta_table[ctab])) < 0)
            return ret;
    }

@@ -27,115 +27,211 @@
 #define IR2_CODES 143
 static const uint16_t ir2_codes[IR2_CODES][2] = {
 #ifdef BITSTREAM_READER_LE
-{0x0000,  3}, {0x0004,  3}, {0x0006,  3}, {0x0001,  5},
-{0x0009,  5}, {0x0019,  5}, {0x000D,  5}, {0x001D,  5},
-{0x0023,  6}, {0x0013,  6}, {0x0033,  6}, {0x000B,  6},
-{0x002B,  6}, {0x001B,  6}, {0x0007,  8}, {0x0087,  8},
-{0x0027,  8}, {0x00A7,  8}, {0x0067,  8}, {0x00E7,  8},
-{0x0097,  8}, {0x0057,  8}, {0x0037,  8}, {0x00B7,  8},
-{0x00F7,  8}, {0x000F,  9}, {0x008F,  9}, {0x018F,  9},
-{0x014F,  9}, {0x00CF,  9}, {0x002F,  9}, {0x012F,  9},
-{0x01AF,  9}, {0x006F,  9}, {0x00EF,  9}, {0x01EF,  9},
-{0x001F, 10}, {0x021F, 10}, {0x011F, 10}, {0x031F, 10},
-{0x009F, 10}, {0x029F, 10}, {0x019F, 10}, {0x039F, 10},
-{0x005F, 10}, {0x025F, 10}, {0x015F, 10}, {0x035F, 10},
-{0x00DF, 10}, {0x02DF, 10}, {0x01DF, 10}, {0x03DF, 10},
-{0x003F, 13}, {0x103F, 13}, {0x083F, 13}, {0x183F, 13},
-{0x043F, 13}, {0x143F, 13}, {0x0C3F, 13}, {0x1C3F, 13},
-{0x023F, 13}, {0x123F, 13}, {0x0A3F, 13}, {0x1A3F, 13},
-{0x063F, 13}, {0x163F, 13}, {0x0E3F, 13}, {0x1E3F, 13},
-{0x013F, 13}, {0x113F, 13}, {0x093F, 13}, {0x193F, 13},
-{0x053F, 13}, {0x153F, 13}, {0x0D3F, 13}, {0x1D3F, 13},
-{0x033F, 13}, {0x133F, 13}, {0x0B3F, 13}, {0x1B3F, 13},
-{0x073F, 13}, {0x173F, 13}, {0x0F3F, 13}, {0x1F3F, 13},
-{0x00BF, 13}, {0x10BF, 13}, {0x08BF, 13}, {0x18BF, 13},
-{0x04BF, 13}, {0x14BF, 13}, {0x0CBF, 13}, {0x1CBF, 13},
-{0x02BF, 13}, {0x12BF, 13}, {0x0ABF, 13}, {0x1ABF, 13},
-{0x06BF, 13}, {0x16BF, 13}, {0x0EBF, 13}, {0x1EBF, 13},
-{0x01BF, 13}, {0x11BF, 13}, {0x09BF, 13}, {0x19BF, 13},
-{0x05BF, 13}, {0x15BF, 13}, {0x0DBF, 13}, {0x1DBF, 13},
-{0x03BF, 13}, {0x13BF, 13}, {0x0BBF, 13}, {0x1BBF, 13},
-{0x07BF, 13}, {0x17BF, 13}, {0x0FBF, 13}, {0x1FBF, 13},
-{0x007F, 14}, {0x207F, 14}, {0x107F, 14}, {0x307F, 14},
-{0x087F, 14}, {0x287F, 14}, {0x187F, 14}, {0x387F, 14},
-{0x047F, 14}, {0x247F, 14}, {0x147F, 14}, {0x0002,  3},
-{0x0011,  5}, {0x0005,  5}, {0x0015,  5}, {0x0003,  6},
-{0x003B,  6}, {0x0047,  8}, {0x00C7,  8}, {0x0017,  8},
-{0x00D7,  8}, {0x0077,  8}, {0x010F,  9}, {0x004F,  9},
-{0x01CF,  9}, {0x00AF,  9}, {0x016F,  9},
+    { 0x0000,  3 }, { 0x0004,  3 }, { 0x0006,  3 }, { 0x0001,  5 },
+    { 0x0009,  5 }, { 0x0019,  5 }, { 0x000D,  5 }, { 0x001D,  5 },
+    { 0x0023,  6 }, { 0x0013,  6 }, { 0x0033,  6 }, { 0x000B,  6 },
+    { 0x002B,  6 }, { 0x001B,  6 }, { 0x0007,  8 }, { 0x0087,  8 },
+    { 0x0027,  8 }, { 0x00A7,  8 }, { 0x0067,  8 }, { 0x00E7,  8 },
+    { 0x0097,  8 }, { 0x0057,  8 }, { 0x0037,  8 }, { 0x00B7,  8 },
+    { 0x00F7,  8 }, { 0x000F,  9 }, { 0x008F,  9 }, { 0x018F,  9 },
+    { 0x014F,  9 }, { 0x00CF,  9 }, { 0x002F,  9 }, { 0x012F,  9 },
+    { 0x01AF,  9 }, { 0x006F,  9 }, { 0x00EF,  9 }, { 0x01EF,  9 },
+    { 0x001F, 10 }, { 0x021F, 10 }, { 0x011F, 10 }, { 0x031F, 10 },
+    { 0x009F, 10 }, { 0x029F, 10 }, { 0x019F, 10 }, { 0x039F, 10 },
+    { 0x005F, 10 }, { 0x025F, 10 }, { 0x015F, 10 }, { 0x035F, 10 },
+    { 0x00DF, 10 }, { 0x02DF, 10 }, { 0x01DF, 10 }, { 0x03DF, 10 },
+    { 0x003F, 13 }, { 0x103F, 13 }, { 0x083F, 13 }, { 0x183F, 13 },
+    { 0x043F, 13 }, { 0x143F, 13 }, { 0x0C3F, 13 }, { 0x1C3F, 13 },
+    { 0x023F, 13 }, { 0x123F, 13 }, { 0x0A3F, 13 }, { 0x1A3F, 13 },
+    { 0x063F, 13 }, { 0x163F, 13 }, { 0x0E3F, 13 }, { 0x1E3F, 13 },
+    { 0x013F, 13 }, { 0x113F, 13 }, { 0x093F, 13 }, { 0x193F, 13 },
+    { 0x053F, 13 }, { 0x153F, 13 }, { 0x0D3F, 13 }, { 0x1D3F, 13 },
+    { 0x033F, 13 }, { 0x133F, 13 }, { 0x0B3F, 13 }, { 0x1B3F, 13 },
+    { 0x073F, 13 }, { 0x173F, 13 }, { 0x0F3F, 13 }, { 0x1F3F, 13 },
+    { 0x00BF, 13 }, { 0x10BF, 13 }, { 0x08BF, 13 }, { 0x18BF, 13 },
+    { 0x04BF, 13 }, { 0x14BF, 13 }, { 0x0CBF, 13 }, { 0x1CBF, 13 },
+    { 0x02BF, 13 }, { 0x12BF, 13 }, { 0x0ABF, 13 }, { 0x1ABF, 13 },
+    { 0x06BF, 13 }, { 0x16BF, 13 }, { 0x0EBF, 13 }, { 0x1EBF, 13 },
+    { 0x01BF, 13 }, { 0x11BF, 13 }, { 0x09BF, 13 }, { 0x19BF, 13 },
+    { 0x05BF, 13 }, { 0x15BF, 13 }, { 0x0DBF, 13 }, { 0x1DBF, 13 },
+    { 0x03BF, 13 }, { 0x13BF, 13 }, { 0x0BBF, 13 }, { 0x1BBF, 13 },
+    { 0x07BF, 13 }, { 0x17BF, 13 }, { 0x0FBF, 13 }, { 0x1FBF, 13 },
+    { 0x007F, 14 }, { 0x207F, 14 }, { 0x107F, 14 }, { 0x307F, 14 },
+    { 0x087F, 14 }, { 0x287F, 14 }, { 0x187F, 14 }, { 0x387F, 14 },
+    { 0x047F, 14 }, { 0x247F, 14 }, { 0x147F, 14 }, { 0x0002,  3 },
+    { 0x0011,  5 }, { 0x0005,  5 }, { 0x0015,  5 }, { 0x0003,  6 },
+    { 0x003B,  6 }, { 0x0047,  8 }, { 0x00C7,  8 }, { 0x0017,  8 },
+    { 0x00D7,  8 }, { 0x0077,  8 }, { 0x010F,  9 }, { 0x004F,  9 },
+    { 0x01CF,  9 }, { 0x00AF,  9 }, { 0x016F,  9 },
 #else
-    {0x0000,  3}, {0x0001,  3}, {0x0003,  3}, {0x0010,  5},
-    {0x0012,  5}, {0x0013,  5}, {0x0016,  5}, {0x0017,  5},
-    {0x0031,  6}, {0x0032,  6}, {0x0033,  6}, {0x0034,  6},
-    {0x0035,  6}, {0x0036,  6}, {0x00E0,  8}, {0x00E1,  8},
-    {0x00E4,  8}, {0x00E5,  8}, {0x00E6,  8}, {0x00E7,  8},
-    {0x00E9,  8}, {0x00EA,  8}, {0x00EC,  8}, {0x00ED,  8},
-    {0x00EF,  8}, {0x01E0,  9}, {0x01E2,  9}, {0x01E3,  9},
-    {0x01E5,  9}, {0x01E6,  9}, {0x01E8,  9}, {0x01E9,  9},
-    {0x01EB,  9}, {0x01EC,  9}, {0x01EE,  9}, {0x01EF,  9},
-    {0x03E0, 10}, {0x03E1, 10}, {0x03E2, 10}, {0x03E3, 10},
-    {0x03E4, 10}, {0x03E5, 10}, {0x03E6, 10}, {0x03E7, 10},
-    {0x03E8, 10}, {0x03E9, 10}, {0x03EA, 10}, {0x03EB, 10},
-    {0x03EC, 10}, {0x03ED, 10}, {0x03EE, 10}, {0x03EF, 10},
-    {0x1F80, 13}, {0x1F81, 13}, {0x1F82, 13}, {0x1F83, 13},
-    {0x1F84, 13}, {0x1F85, 13}, {0x1F86, 13}, {0x1F87, 13},
-    {0x1F88, 13}, {0x1F89, 13}, {0x1F8A, 13}, {0x1F8B, 13},
-    {0x1F8C, 13}, {0x1F8D, 13}, {0x1F8E, 13}, {0x1F8F, 13},
-    {0x1F90, 13}, {0x1F91, 13}, {0x1F92, 13}, {0x1F93, 13},
-    {0x1F94, 13}, {0x1F95, 13}, {0x1F96, 13}, {0x1F97, 13},
-    {0x1F98, 13}, {0x1F99, 13}, {0x1F9A, 13}, {0x1F9B, 13},
-    {0x1F9C, 13}, {0x1F9D, 13}, {0x1F9E, 13}, {0x1F9F, 13},
-    {0x1FA0, 13}, {0x1FA1, 13}, {0x1FA2, 13}, {0x1FA3, 13},
-    {0x1FA4, 13}, {0x1FA5, 13}, {0x1FA6, 13}, {0x1FA7, 13},
-    {0x1FA8, 13}, {0x1FA9, 13}, {0x1FAA, 13}, {0x1FAB, 13},
-    {0x1FAC, 13}, {0x1FAD, 13}, {0x1FAE, 13}, {0x1FAF, 13},
-    {0x1FB0, 13}, {0x1FB1, 13}, {0x1FB2, 13}, {0x1FB3, 13},
-    {0x1FB4, 13}, {0x1FB5, 13}, {0x1FB6, 13}, {0x1FB7, 13},
-    {0x1FB8, 13}, {0x1FB9, 13}, {0x1FBA, 13}, {0x1FBB, 13},
-    {0x1FBC, 13}, {0x1FBD, 13}, {0x1FBE, 13}, {0x1FBF, 13},
-    {0x3F80, 14}, {0x3F81, 14}, {0x3F82, 14}, {0x3F83, 14},
-    {0x3F84, 14}, {0x3F85, 14}, {0x3F86, 14}, {0x3F87, 14},
-    {0x3F88, 14}, {0x3F89, 14}, {0x3F8A, 14}, {0x0002,  3},
-    {0x0011,  5}, {0x0014,  5}, {0x0015,  5}, {0x0030,  6},
-    {0x0037,  6}, {0x00E2,  8}, {0x00E3,  8}, {0x00E8,  8},
-    {0x00EB,  8}, {0x00EE,  8}, {0x01E1,  9}, {0x01E4,  9},
-    {0x01E7,  9}, {0x01EA,  9}, {0x01ED,  9}
+    { 0x0000,  3 }, { 0x0001,  3 }, { 0x0003,  3 }, { 0x0010,  5 },
+    { 0x0012,  5 }, { 0x0013,  5 }, { 0x0016,  5 }, { 0x0017,  5 },
+    { 0x0031,  6 }, { 0x0032,  6 }, { 0x0033,  6 }, { 0x0034,  6 },
+    { 0x0035,  6 }, { 0x0036,  6 }, { 0x00E0,  8 }, { 0x00E1,  8 },
+    { 0x00E4,  8 }, { 0x00E5,  8 }, { 0x00E6,  8 }, { 0x00E7,  8 },
+    { 0x00E9,  8 }, { 0x00EA,  8 }, { 0x00EC,  8 }, { 0x00ED,  8 },
+    { 0x00EF,  8 }, { 0x01E0,  9 }, { 0x01E2,  9 }, { 0x01E3,  9 },
+    { 0x01E5,  9 }, { 0x01E6,  9 }, { 0x01E8,  9 }, { 0x01E9,  9 },
+    { 0x01EB,  9 }, { 0x01EC,  9 }, { 0x01EE,  9 }, { 0x01EF,  9 },
+    { 0x03E0, 10 }, { 0x03E1, 10 }, { 0x03E2, 10 }, { 0x03E3, 10 },
+    { 0x03E4, 10 }, { 0x03E5, 10 }, { 0x03E6, 10 }, { 0x03E7, 10 },
+    { 0x03E8, 10 }, { 0x03E9, 10 }, { 0x03EA, 10 }, { 0x03EB, 10 },
+    { 0x03EC, 10 }, { 0x03ED, 10 }, { 0x03EE, 10 }, { 0x03EF, 10 },
+    { 0x1F80, 13 }, { 0x1F81, 13 }, { 0x1F82, 13 }, { 0x1F83, 13 },
+    { 0x1F84, 13 }, { 0x1F85, 13 }, { 0x1F86, 13 }, { 0x1F87, 13 },
+    { 0x1F88, 13 }, { 0x1F89, 13 }, { 0x1F8A, 13 }, { 0x1F8B, 13 },
+    { 0x1F8C, 13 }, { 0x1F8D, 13 }, { 0x1F8E, 13 }, { 0x1F8F, 13 },
+    { 0x1F90, 13 }, { 0x1F91, 13 }, { 0x1F92, 13 }, { 0x1F93, 13 },
+    { 0x1F94, 13 }, { 0x1F95, 13 }, { 0x1F96, 13 }, { 0x1F97, 13 },
+    { 0x1F98, 13 }, { 0x1F99, 13 }, { 0x1F9A, 13 }, { 0x1F9B, 13 },
+    { 0x1F9C, 13 }, { 0x1F9D, 13 }, { 0x1F9E, 13 }, { 0x1F9F, 13 },
+    { 0x1FA0, 13 }, { 0x1FA1, 13 }, { 0x1FA2, 13 }, { 0x1FA3, 13 },
+    { 0x1FA4, 13 }, { 0x1FA5, 13 }, { 0x1FA6, 13 }, { 0x1FA7, 13 },
+    { 0x1FA8, 13 }, { 0x1FA9, 13 }, { 0x1FAA, 13 }, { 0x1FAB, 13 },
+    { 0x1FAC, 13 }, { 0x1FAD, 13 }, { 0x1FAE, 13 }, { 0x1FAF, 13 },
+    { 0x1FB0, 13 }, { 0x1FB1, 13 }, { 0x1FB2, 13 }, { 0x1FB3, 13 },
+    { 0x1FB4, 13 }, { 0x1FB5, 13 }, { 0x1FB6, 13 }, { 0x1FB7, 13 },
+    { 0x1FB8, 13 }, { 0x1FB9, 13 }, { 0x1FBA, 13 }, { 0x1FBB, 13 },
+    { 0x1FBC, 13 }, { 0x1FBD, 13 }, { 0x1FBE, 13 }, { 0x1FBF, 13 },
+    { 0x3F80, 14 }, { 0x3F81, 14 }, { 0x3F82, 14 }, { 0x3F83, 14 },
+    { 0x3F84, 14 }, { 0x3F85, 14 }, { 0x3F86, 14 }, { 0x3F87, 14 },
+    { 0x3F88, 14 }, { 0x3F89, 14 }, { 0x3F8A, 14 }, { 0x0002,  3 },
+    { 0x0011,  5 }, { 0x0014,  5 }, { 0x0015,  5 }, { 0x0030,  6 },
+    { 0x0037,  6 }, { 0x00E2,  8 }, { 0x00E3,  8 }, { 0x00E8,  8 },
+    { 0x00EB,  8 }, { 0x00EE,  8 }, { 0x01E1,  9 }, { 0x01E4,  9 },
+    { 0x01E7,  9 }, { 0x01EA,  9 }, { 0x01ED,  9 },
 #endif
 };

-static const uint8_t ir2_luma_table[256] = {
- 0x80, 0x80, 0x84, 0x84, 0x7C, 0x7C, 0x7F, 0x85,
- 0x81, 0x7B, 0x85, 0x7F, 0x7B, 0x81, 0x8C, 0x8C,
- 0x74, 0x74, 0x83, 0x8D, 0x7D, 0x73, 0x8D, 0x83,
- 0x73, 0x7D, 0x77, 0x89, 0x89, 0x77, 0x89, 0x77,
- 0x77, 0x89, 0x8C, 0x95, 0x74, 0x6B, 0x95, 0x8C,
- 0x6B, 0x74, 0x7C, 0x90, 0x84, 0x70, 0x90, 0x7C,
- 0x70, 0x84, 0x96, 0x96, 0x6A, 0x6A, 0x82, 0x98,
- 0x7E, 0x68, 0x98, 0x82, 0x68, 0x7E, 0x97, 0xA2,
- 0x69, 0x5E, 0xA2, 0x97, 0x5E, 0x69, 0xA2, 0xA2,
- 0x5E, 0x5E, 0x8B, 0xA3, 0x75, 0x5D, 0xA3, 0x8B,
- 0x5D, 0x75, 0x71, 0x95, 0x8F, 0x6B, 0x95, 0x71,
- 0x6B, 0x8F, 0x78, 0x9D, 0x88, 0x63, 0x9D, 0x78,
- 0x63, 0x88, 0x7F, 0xA7, 0x81, 0x59, 0xA7, 0x7F,
- 0x59, 0x81, 0xA4, 0xB1, 0x5C, 0x4F, 0xB1, 0xA4,
- 0x4F, 0x5C, 0x96, 0xB1, 0x6A, 0x4F, 0xB1, 0x96,
- 0x4F, 0x6A, 0xB2, 0xB2, 0x4E, 0x4E, 0x65, 0x9B,
- 0x9B, 0x65, 0x9B, 0x65, 0x65, 0x9B, 0x89, 0xB4,
- 0x77, 0x4C, 0xB4, 0x89, 0x4C, 0x77, 0x6A, 0xA3,
- 0x96, 0x5D, 0xA3, 0x6A, 0x5D, 0x96, 0x73, 0xAC,
- 0x8D, 0x54, 0xAC, 0x73, 0x54, 0x8D, 0xB4, 0xC3,
- 0x4C, 0x3D, 0xC3, 0xB4, 0x3D, 0x4C, 0xA4, 0xC3,
- 0x5C, 0x3D, 0xC3, 0xA4, 0x3D, 0x5C, 0xC4, 0xC4,
- 0x3C, 0x3C, 0x96, 0xC6, 0x6A, 0x3A, 0xC6, 0x96,
- 0x3A, 0x6A, 0x7C, 0xBA, 0x84, 0x46, 0xBA, 0x7C,
- 0x46, 0x84, 0x5B, 0xAB, 0xA5, 0x55, 0xAB, 0x5B,
- 0x55, 0xA5, 0x63, 0xB4, 0x9D, 0x4C, 0xB4, 0x63,
- 0x4C, 0x9D, 0x86, 0xCA, 0x7A, 0x36, 0xCA, 0x86,
- 0x36, 0x7A, 0xB6, 0xD7, 0x4A, 0x29, 0xD7, 0xB6,
- 0x29, 0x4A, 0xC8, 0xD7, 0x38, 0x29, 0xD7, 0xC8,
- 0x29, 0x38, 0xA4, 0xD8, 0x5C, 0x28, 0xD8, 0xA4,
- 0x28, 0x5C, 0x6C, 0xC1, 0x94, 0x3F, 0xC1, 0x6C,
- 0x3F, 0x94, 0xD9, 0xD9, 0x27, 0x27, 0x80, 0x80
+static const uint8_t ir2_delta_table[4][256] = {
+    { 0x80, 0x80, 0x84, 0x84, 0x7C, 0x7C, 0x7F, 0x85,
+      0x81, 0x7B, 0x85, 0x7F, 0x7B, 0x81, 0x8C, 0x8C,
+      0x74, 0x74, 0x83, 0x8D, 0x7D, 0x73, 0x8D, 0x83,
+      0x73, 0x7D, 0x77, 0x89, 0x89, 0x77, 0x89, 0x77,
+      0x77, 0x89, 0x8C, 0x95, 0x74, 0x6B, 0x95, 0x8C,
+      0x6B, 0x74, 0x7C, 0x90, 0x84, 0x70, 0x90, 0x7C,
+      0x70, 0x84, 0x96, 0x96, 0x6A, 0x6A, 0x82, 0x98,
+      0x7E, 0x68, 0x98, 0x82, 0x68, 0x7E, 0x97, 0xA2,
+      0x69, 0x5E, 0xA2, 0x97, 0x5E, 0x69, 0xA2, 0xA2,
+      0x5E, 0x5E, 0x8B, 0xA3, 0x75, 0x5D, 0xA3, 0x8B,
+      0x5D, 0x75, 0x71, 0x95, 0x8F, 0x6B, 0x95, 0x71,
+      0x6B, 0x8F, 0x78, 0x9D, 0x88, 0x63, 0x9D, 0x78,
+      0x63, 0x88, 0x7F, 0xA7, 0x81, 0x59, 0xA7, 0x7F,
+      0x59, 0x81, 0xA4, 0xB1, 0x5C, 0x4F, 0xB1, 0xA4,
+      0x4F, 0x5C, 0x96, 0xB1, 0x6A, 0x4F, 0xB1, 0x96,
+      0x4F, 0x6A, 0xB2, 0xB2, 0x4E, 0x4E, 0x65, 0x9B,
+      0x9B, 0x65, 0x9B, 0x65, 0x65, 0x9B, 0x89, 0xB4,
+      0x77, 0x4C, 0xB4, 0x89, 0x4C, 0x77, 0x6A, 0xA3,
+      0x96, 0x5D, 0xA3, 0x6A, 0x5D, 0x96, 0x73, 0xAC,
+      0x8D, 0x54, 0xAC, 0x73, 0x54, 0x8D, 0xB4, 0xC3,
+      0x4C, 0x3D, 0xC3, 0xB4, 0x3D, 0x4C, 0xA4, 0xC3,
+      0x5C, 0x3D, 0xC3, 0xA4, 0x3D, 0x5C, 0xC4, 0xC4,
+      0x3C, 0x3C, 0x96, 0xC6, 0x6A, 0x3A, 0xC6, 0x96,
+      0x3A, 0x6A, 0x7C, 0xBA, 0x84, 0x46, 0xBA, 0x7C,
+      0x46, 0x84, 0x5B, 0xAB, 0xA5, 0x55, 0xAB, 0x5B,
+      0x55, 0xA5, 0x63, 0xB4, 0x9D, 0x4C, 0xB4, 0x63,
+      0x4C, 0x9D, 0x86, 0xCA, 0x7A, 0x36, 0xCA, 0x86,
+      0x36, 0x7A, 0xB6, 0xD7, 0x4A, 0x29, 0xD7, 0xB6,
+      0x29, 0x4A, 0xC8, 0xD7, 0x38, 0x29, 0xD7, 0xC8,
+      0x29, 0x38, 0xA4, 0xD8, 0x5C, 0x28, 0xD8, 0xA4,
+      0x28, 0x5C, 0x6C, 0xC1, 0x94, 0x3F, 0xC1, 0x6C,
+      0x3F, 0x94, 0xD9, 0xD9, 0x27, 0x27, 0x80, 0x80, },
+    { 0x80, 0x80, 0x85, 0x85, 0x7B, 0x7B, 0x7E, 0x87,
+      0x82, 0x79, 0x87, 0x7E, 0x79, 0x82, 0x8F, 0x8F,
+      0x71, 0x71, 0x84, 0x8F, 0x7C, 0x71, 0x8F, 0x84,
+      0x71, 0x7C, 0x75, 0x8B, 0x8B, 0x75, 0x8B, 0x75,
+      0x75, 0x8B, 0x8E, 0x9A, 0x72, 0x66, 0x9A, 0x8E,
+      0x66, 0x72, 0x7B, 0x93, 0x85, 0x6D, 0x93, 0x7B,
+      0x6D, 0x85, 0x9B, 0x9B, 0x65, 0x65, 0x82, 0x9D,
+      0x7E, 0x63, 0x9D, 0x82, 0x63, 0x7E, 0x9B, 0xA8,
+      0x65, 0x58, 0xA8, 0x9B, 0x58, 0x65, 0xA9, 0xA9,
+      0x57, 0x57, 0x8D, 0xAA, 0x73, 0x56, 0xAA, 0x8D,
+      0x56, 0x73, 0x6E, 0x99, 0x92, 0x67, 0x99, 0x6E,
+      0x67, 0x92, 0x76, 0xA2, 0x8A, 0x5E, 0xA2, 0x76,
+      0x5E, 0x8A, 0x7F, 0xAF, 0x81, 0x51, 0xAF, 0x7F,
+      0x51, 0x81, 0xAB, 0xBA, 0x55, 0x46, 0xBA, 0xAB,
+      0x46, 0x55, 0x9A, 0xBB, 0x66, 0x45, 0xBB, 0x9A,
+      0x45, 0x66, 0xBB, 0xBB, 0x45, 0x45, 0x60, 0xA0,
+      0xA0, 0x60, 0xA0, 0x60, 0x60, 0xA0, 0x8B, 0xBE,
+      0x75, 0x42, 0xBE, 0x8B, 0x42, 0x75, 0x66, 0xAA,
+      0x9A, 0x56, 0xAA, 0x66, 0x56, 0x9A, 0x70, 0xB5,
+      0x90, 0x4B, 0xB5, 0x70, 0x4B, 0x90, 0xBE, 0xCF,
+      0x42, 0x31, 0xCF, 0xBE, 0x31, 0x42, 0xAB, 0xD0,
+      0x55, 0x30, 0xD0, 0xAB, 0x30, 0x55, 0xD1, 0xD1,
+      0x2F, 0x2F, 0x9A, 0xD3, 0x66, 0x2D, 0xD3, 0x9A,
+      0x2D, 0x66, 0x7B, 0xC5, 0x85, 0x3B, 0xC5, 0x7B,
+      0x3B, 0x85, 0x54, 0xB4, 0xAC, 0x4C, 0xB4, 0x54,
+      0x4C, 0xAC, 0x5E, 0xBE, 0xA2, 0x42, 0xBE, 0x5E,
+      0x42, 0xA2, 0x87, 0xD8, 0x79, 0x28, 0xD8, 0x87,
+      0x28, 0x79, 0xC0, 0xE8, 0x40, 0x18, 0xE8, 0xC0,
+      0x18, 0x40, 0xD5, 0xE8, 0x2B, 0x18, 0xE8, 0xD5,
+      0x18, 0x2B, 0xAB, 0xE9, 0x55, 0x17, 0xE9, 0xAB,
+      0x17, 0x55, 0x68, 0xCD, 0x98, 0x33, 0xCD, 0x68,
+      0x33, 0x98, 0xEA, 0xEA, 0x16, 0x16, 0x80, 0x80, },
+    { 0x80, 0x80, 0x86, 0x86, 0x7A, 0x7A, 0x7E, 0x88,
+      0x82, 0x78, 0x88, 0x7E, 0x78, 0x82, 0x92, 0x92,
+      0x6E, 0x6E, 0x85, 0x92, 0x7B, 0x6E, 0x92, 0x85,
+      0x6E, 0x7B, 0x73, 0x8D, 0x8D, 0x73, 0x8D, 0x73,
+      0x73, 0x8D, 0x91, 0x9E, 0x6F, 0x62, 0x9E, 0x91,
+      0x62, 0x6F, 0x79, 0x97, 0x87, 0x69, 0x97, 0x79,
+      0x69, 0x87, 0xA0, 0xA0, 0x60, 0x60, 0x83, 0xA2,
+      0x7D, 0x5E, 0xA2, 0x83, 0x5E, 0x7D, 0xA0, 0xB0,
+      0x60, 0x50, 0xB0, 0xA0, 0x50, 0x60, 0xB1, 0xB1,
+      0x4F, 0x4F, 0x8F, 0xB2, 0x71, 0x4E, 0xB2, 0x8F,
+      0x4E, 0x71, 0x6B, 0x9E, 0x95, 0x62, 0x9E, 0x6B,
+      0x62, 0x95, 0x74, 0xA9, 0x8C, 0x57, 0xA9, 0x74,
+      0x57, 0x8C, 0x7F, 0xB8, 0x81, 0x48, 0xB8, 0x7F,
+      0x48, 0x81, 0xB4, 0xC5, 0x4C, 0x3B, 0xC5, 0xB4,
+      0x3B, 0x4C, 0x9F, 0xC6, 0x61, 0x3A, 0xC6, 0x9F,
+      0x3A, 0x61, 0xC6, 0xC6, 0x3A, 0x3A, 0x59, 0xA7,
+      0xA7, 0x59, 0xA7, 0x59, 0x59, 0xA7, 0x8D, 0xCA,
+      0x73, 0x36, 0xCA, 0x8D, 0x36, 0x73, 0x61, 0xB2,
+      0x9F, 0x4E, 0xB2, 0x61, 0x4E, 0x9F, 0x6D, 0xBF,
+      0x93, 0x41, 0xBF, 0x6D, 0x41, 0x93, 0xCA, 0xDF,
+      0x36, 0x21, 0xDF, 0xCA, 0x21, 0x36, 0xB3, 0xDF,
+      0x4D, 0x21, 0xDF, 0xB3, 0x21, 0x4D, 0xE1, 0xE1,
+      0x1F, 0x1F, 0x9F, 0xE3, 0x61, 0x1D, 0xE3, 0x9F,
+      0x1D, 0x61, 0x7A, 0xD3, 0x86, 0x2D, 0xD3, 0x7A,
+      0x2D, 0x86, 0x4C, 0xBE, 0xB4, 0x42, 0xBE, 0x4C,
+      0x42, 0xB4, 0x57, 0xCA, 0xA9, 0x36, 0xCA, 0x57,
+      0x36, 0xA9, 0x88, 0xE9, 0x78, 0x17, 0xE9, 0x88,
+      0x17, 0x78, 0xCC, 0xFB, 0x34, 0x05, 0xFB, 0xCC,
+      0x05, 0x34, 0xE6, 0xFB, 0x1A, 0x05, 0xFB, 0xE6,
+      0x05, 0x1A, 0xB4, 0xFD, 0x4C, 0x03, 0xFD, 0xB4,
+      0x03, 0x4C, 0x63, 0xDC, 0x9D, 0x24, 0xDC, 0x63,
+      0x24, 0x9D, 0xFE, 0xFE, 0x02, 0x02, 0x80, 0x80, },
+    { 0x80, 0x80, 0x87, 0x87, 0x79, 0x79, 0x7E, 0x89,
+      0x82, 0x77, 0x89, 0x7E, 0x77, 0x82, 0x95, 0x95,
+      0x6B, 0x6B, 0x86, 0x96, 0x7A, 0x6A, 0x96, 0x86,
+      0x6A, 0x7A, 0x70, 0x90, 0x90, 0x70, 0x90, 0x70,
+      0x70, 0x90, 0x94, 0xA4, 0x6C, 0x5C, 0xA4, 0x94,
+      0x5C, 0x6C, 0x78, 0x9B, 0x88, 0x65, 0x9B, 0x78,
+      0x65, 0x88, 0xA6, 0xA6, 0x5A, 0x5A, 0x83, 0xA9,
+      0x7D, 0x57, 0xA9, 0x83, 0x57, 0x7D, 0xA6, 0xB9,
+      0x5A, 0x47, 0xB9, 0xA6, 0x47, 0x5A, 0xBA, 0xBA,
+      0x46, 0x46, 0x92, 0xBC, 0x6E, 0x44, 0xBC, 0x92,
+      0x44, 0x6E, 0x67, 0xA3, 0x99, 0x5D, 0xA3, 0x67,
+      0x5D, 0x99, 0x72, 0xB0, 0x8E, 0x50, 0xB0, 0x72,
+      0x50, 0x8E, 0x7F, 0xC3, 0x81, 0x3D, 0xC3, 0x7F,
+      0x3D, 0x81, 0xBE, 0xD2, 0x42, 0x2E, 0xD2, 0xBE,
+      0x2E, 0x42, 0xA5, 0xD4, 0x5B, 0x2C, 0xD4, 0xA5,
+      0x2C, 0x5B, 0xD4, 0xD4, 0x2C, 0x2C, 0x52, 0xAE,
+      0xAE, 0x52, 0xAE, 0x52, 0x52, 0xAE, 0x8F, 0xD8,
+      0x71, 0x28, 0xD8, 0x8F, 0x28, 0x71, 0x5B, 0xBB,
+      0xA5, 0x45, 0xBB, 0x5B, 0x45, 0xA5, 0x69, 0xCB,
+      0x97, 0x35, 0xCB, 0x69, 0x35, 0x97, 0xD8, 0xF0,
+      0x28, 0x10, 0xF0, 0xD8, 0x10, 0x28, 0xBD, 0xF1,
+      0x43, 0x0F, 0xF1, 0xBD, 0x0F, 0x43, 0xF3, 0xF3,
+      0x0D, 0x0D, 0xA5, 0xF6, 0x5B, 0x0A, 0xF6, 0xA5,
+      0x0A, 0x5B, 0x78, 0xE2, 0x88, 0x1E, 0xE2, 0x78,
+      0x1E, 0x88, 0x42, 0xC9, 0xBE, 0x37, 0xC9, 0x42,
+      0x37, 0xBE, 0x4F, 0xD8, 0xB1, 0x28, 0xD8, 0x4F,
+      0x28, 0xB1, 0x8A, 0xFD, 0x76, 0x03, 0xFD, 0x8A,
+      0x03, 0x76, 0xDB, 0xFF, 0x25, 0x01, 0xFF, 0xDB,
+      0x01, 0x25, 0xF9, 0xFF, 0x07, 0x01, 0xFF, 0xF9,
+      0x01, 0x07, 0xBE, 0xFF, 0x42, 0x01, 0xFF, 0xBE,
+      0x01, 0x42, 0x5E, 0xED, 0xA2, 0x13, 0xED, 0x5E,
+      0x13, 0xA2, 0xFF, 0xFF, 0x01, 0x01, 0x80, 0x80, },
 };

 #endif /* AVCODEC_INDEO2DATA_H */
@@ -38,6 +38,7 @@
 #include <stdlib.h>
 #include <string.h>

+#include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "bytestream.h"
 #include "hpeldsp.h"
@@ -949,7 +950,7 @@ static void ipvideo_decode_opcodes(IpvideoContext *s, AVFrame *frame)
        }
    }
    if (bytestream2_get_bytes_left(&s->stream_ptr) > 1) {
-        av_log(s->avctx, AV_LOG_ERROR,
+        av_log(s->avctx, AV_LOG_DEBUG,
               "decode finished with %d bytes left over\n",
               bytestream2_get_bytes_left(&s->stream_ptr));
    }
@@ -987,12 +988,15 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
    AVFrame *frame = data;
    int ret;

+    if (buf_size < 2)
+        return AVERROR_INVALIDDATA;
+
    /* decoding map contains 4 bits of information per 8x8 block */
-    s->decoding_map_size = avctx->width * avctx->height / (8 * 8 * 2);
+    s->decoding_map_size = AV_RL16(avpkt->data);

    /* compressed buffer needs to be large enough to at least hold an entire
     * decoding map */
-    if (buf_size < s->decoding_map_size)
+    if (buf_size < s->decoding_map_size + 2)
        return buf_size;

    if (av_packet_get_side_data(avpkt, AV_PKT_DATA_PARAM_CHANGE, NULL)) {
@@ -1000,8 +1004,8 @@ static int ipvideo_decode_frame(AVCodecContext *avctx,
        av_frame_unref(s->second_last_frame);
    }

-    s->decoding_map = buf;
-    bytestream2_init(&s->stream_ptr, buf + s->decoding_map_size,
+    s->decoding_map = buf + 2;
+    bytestream2_init(&s->stream_ptr, buf + 2 + s->decoding_map_size,
                     buf_size - s->decoding_map_size);

    if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0)
@@ -45,7 +45,7 @@
 /**
 * Table of number of bits a motion vector component needs.
 */
-static uint8_t mv_penalty[MAX_FCODE+1][MAX_MV*2+1];
+static uint8_t mv_penalty[MAX_FCODE+1][MAX_DMV*2+1];

 /**
 * Minimal fcode that a motion vector component would need.
@@ -678,7 +678,7 @@ static av_cold void init_mv_penalty_and_fcode(MpegEncContext *s)
    int mv;

    for(f_code=1; f_code<=MAX_FCODE; f_code++){
-        for(mv=-MAX_MV; mv<=MAX_MV; mv++){
+        for(mv=-MAX_DMV; mv<=MAX_DMV; mv++){
            int len;

            if(mv==0) len= ff_mvtab[0][1];
@@ -699,7 +699,7 @@ static av_cold void init_mv_penalty_and_fcode(MpegEncContext *s)
                }
            }

-            mv_penalty[f_code][mv+MAX_MV]= len;
+            mv_penalty[f_code][mv+MAX_DMV]= len;
        }
    }

@@ -30,6 +30,7 @@

 #define BITSTREAM_READER_LE
 #include "libavutil/attributes.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/timer.h"
 #include "avcodec.h"
 #include "get_bits.h"
@@ -310,7 +311,7 @@ av_cold int ff_ivi_init_planes(IVIPlaneDesc *planes, const IVIPicConfig *cfg,

    ivi_free_buffers(planes);

-    if (cfg->pic_width < 1 || cfg->pic_height < 1 ||
+    if (av_image_check_size(cfg->pic_width, cfg->pic_height, 0, NULL) < 0 ||
        cfg->luma_bands < 1 || cfg->chroma_bands < 1)
        return AVERROR_INVALIDDATA;

@@ -17,8 +17,46 @@
 * You should have received a copy of the GNU Lesser General Public
 * License along with FFmpeg; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * **********************************************************************************************************************
+ *
+ *
+ *
+ * This source code incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
+ * Copyright (c) 2001-2003, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2007, Callum Lerwick <seg@haxxed.com>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
 */

+
 /**
 * JPEG2000 image encoder
 * @file
@@ -28,6 +28,7 @@
 #include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/mem.h"
 #include "avcodec.h"
 #include "jpeg2000.h"
@@ -210,9 +211,17 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
                                   codsty->nreslevels2decode - 1,
                                   codsty->transform))
        return ret;
-    // component size comp->coord is uint16_t so ir cannot overflow
+
+    if (av_image_check_size(comp->coord[0][1] - comp->coord[0][0],
+                            comp->coord[1][1] - comp->coord[1][0], 0, avctx))
+        return AVERROR_INVALIDDATA;
    csize = (comp->coord[0][1] - comp->coord[0][0]) *
            (comp->coord[1][1] - comp->coord[1][0]);
+    if (comp->coord[0][1] - comp->coord[0][0] > 32768 ||
+        comp->coord[1][1] - comp->coord[1][0] > 32768) {
+        av_log(avctx, AV_LOG_ERROR, "component size too large\n");
+        return AVERROR_PATCHWELCOME;
+    }

    if (codsty->transform == FF_DWT97) {
        csize += AV_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
@@ -450,7 +459,7 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
                    return AVERROR(ENOMEM);
                for (cblkno = 0; cblkno < nb_codeblocks; cblkno++) {
                    Jpeg2000Cblk *cblk = prec->cblk + cblkno;
-                    uint16_t Cx0, Cy0;
+                    int Cx0, Cy0;

                    /* Compute coordinates of codeblocks */
                    /* Compute Cx0*/
@@ -174,21 +174,21 @@ typedef struct Jpeg2000Cblk {
    int nb_terminationsinc;
    int data_start[JPEG2000_MAX_PASSES];
    Jpeg2000Pass passes[JPEG2000_MAX_PASSES];
-    uint16_t coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
+    int coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
 } Jpeg2000Cblk; // code block

 typedef struct Jpeg2000Prec {
-    uint16_t nb_codeblocks_width;
-    uint16_t nb_codeblocks_height;
+    int nb_codeblocks_width;
+    int nb_codeblocks_height;
    Jpeg2000TgtNode *zerobits;
    Jpeg2000TgtNode *cblkincl;
    Jpeg2000Cblk *cblk;
    int decoded_layers;
-    uint16_t coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
+    int coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
 } Jpeg2000Prec; // precinct

 typedef struct Jpeg2000Band {
-    uint16_t coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
+    int coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
    uint16_t log2_cblk_width, log2_cblk_height;
    int i_stepsize; // quantization stepsize
    float f_stepsize; // quantization stepsize
@@ -197,8 +197,8 @@ typedef struct Jpeg2000Band {

 typedef struct Jpeg2000ResLevel {
    uint8_t nbands;
-    uint16_t coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
-    uint16_t num_precincts_x, num_precincts_y; // number of precincts in x/y direction
+    int coord[2][2]; // border coordinates {{x0, x1}, {y0, y1}}
+    int num_precincts_x, num_precincts_y; // number of precincts in x/y direction
    uint8_t log2_prec_width, log2_prec_height; // exponent of precinct size
    Jpeg2000Band *band;
 } Jpeg2000ResLevel; // resolution level
@@ -208,8 +208,8 @@ typedef struct Jpeg2000Component {
    DWTContext dwt;
    float *f_data;
    int *i_data;
-    uint16_t coord[2][2];   // border coordinates {{x0, x1}, {y0, y1}} -- can be reduced with lowres option
-    uint16_t coord_o[2][2]; // border coordinates {{x0, x1}, {y0, y1}} -- original values from jpeg2000 headers
+    int coord[2][2];   // border coordinates {{x0, x1}, {y0, y1}} -- can be reduced with lowres option
+    int coord_o[2][2]; // border coordinates {{x0, x1}, {y0, y1}} -- original values from jpeg2000 headers
 } Jpeg2000Component;

 /* misc tools */
@@ -30,6 +30,7 @@
 #include "libavutil/attributes.h"
 #include "libavutil/avassert.h"
 #include "libavutil/common.h"
+#include "libavutil/imgutils.h"
 #include "libavutil/opt.h"
 #include "libavutil/pixdesc.h"
 #include "avcodec.h"
@@ -279,6 +280,10 @@ static int get_siz(Jpeg2000DecoderContext *s)
        avpriv_request_sample(s->avctx, "Support for image offsets");
        return AVERROR_PATCHWELCOME;
    }
+    if (av_image_check_size(s->width, s->height, 0, s->avctx)) {
+        avpriv_request_sample(s->avctx, "Large Dimensions");
+        return AVERROR_PATCHWELCOME;
+    }

    if (ncomponents <= 0) {
        av_log(s->avctx, AV_LOG_ERROR, "Invalid number of components: %d\n",
@@ -826,10 +831,10 @@ static int init_tile(Jpeg2000DecoderContext *s, int tileno)
    if (!tile->comp)
        return AVERROR(ENOMEM);

-    tile->coord[0][0] = av_clip(tilex       * s->tile_width  + s->tile_offset_x, s->image_offset_x, s->width);
-    tile->coord[0][1] = av_clip((tilex + 1) * s->tile_width  + s->tile_offset_x, s->image_offset_x, s->width);
-    tile->coord[1][0] = av_clip(tiley       * s->tile_height + s->tile_offset_y, s->image_offset_y, s->height);
-    tile->coord[1][1] = av_clip((tiley + 1) * s->tile_height + s->tile_offset_y, s->image_offset_y, s->height);
+    tile->coord[0][0] = av_clip(tilex       * (int64_t)s->tile_width  + s->tile_offset_x, s->image_offset_x, s->width);
+    tile->coord[0][1] = av_clip((tilex + 1) * (int64_t)s->tile_width  + s->tile_offset_x, s->image_offset_x, s->width);
+    tile->coord[1][0] = av_clip(tiley       * (int64_t)s->tile_height + s->tile_offset_y, s->image_offset_y, s->height);
+    tile->coord[1][1] = av_clip((tiley + 1) * (int64_t)s->tile_height + s->tile_offset_y, s->image_offset_y, s->height);

    for (compno = 0; compno < s->ncomponents; compno++) {
        Jpeg2000Component *comp = tile->comp + compno;
@@ -1484,6 +1489,10 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty,
    ff_mqc_initdec(&t1->mqc, cblk->data, 0, 1);

    while (passno--) {
+        if (bpno < 0) {
+            av_log(s->avctx, AV_LOG_ERROR, "bpno became negative\n");
+            return AVERROR_INVALIDDATA;
+        }
        switch(pass_t) {
        case 0:
            decode_sigpass(t1, width, height, bpno + 1, bandpos,
@@ -1686,11 +1695,15 @@ static int jpeg2000_decode_tile(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
    if (tile->codsty[0].mct)
        mct_decode(s, tile);

-    if (s->cdef[0] < 0) {
-        for (x = 0; x < s->ncomponents; x++)
-            s->cdef[x] = x + 1;
-        if ((s->ncomponents & 1) == 0)
-            s->cdef[s->ncomponents-1] = 0;
+    for (x = 0; x < s->ncomponents; x++) {
+        if (s->cdef[x] < 0) {
+            for (x = 0; x < s->ncomponents; x++) {
+                s->cdef[x] = x + 1;
+            }
+            if ((s->ncomponents & 1) == 0)
+                s->cdef[s->ncomponents-1] = 0;
+            break;
+        }
    }

    if (s->precision <= 8) {
@@ -1812,6 +1825,7 @@ static void jpeg2000_dec_cleanup(Jpeg2000DecoderContext *s)
    memset(s->properties, 0, sizeof(s->properties));
    memset(&s->poc  , 0, sizeof(s->poc));
    s->numXtiles = s->numYtiles = 0;
+    s->ncomponents = 0;
 }

 static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)
@@ -1869,6 +1883,10 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s)

        switch (marker) {
        case JPEG2000_SIZ:
+            if (s->ncomponents) {
+                av_log(s->avctx, AV_LOG_ERROR, "Duplicate SIZ\n");
+                return AVERROR_INVALIDDATA;
+            }
            ret = get_siz(s);
            if (!s->tile)
                s->numXtiles = s->numYtiles = 0;
@@ -534,7 +534,7 @@ static void dwt_decode97_int(DWTContext *s, int32_t *t)
        data[i] = (data[i] + ((1<<I_PRESHIFT)>>1)) >> I_PRESHIFT;
 }

-int ff_jpeg2000_dwt_init(DWTContext *s, uint16_t border[2][2],
+int ff_jpeg2000_dwt_init(DWTContext *s, int border[2][2],
                         int decomp_levels, int type)
 {
    int i, j, lev = decomp_levels, maxlen,
@@ -580,6 +580,9 @@ int ff_jpeg2000_dwt_init(DWTContext *s, uint16_t border[2][2],

 int ff_dwt_encode(DWTContext *s, void *t)
 {
+    if (s->ndeclevels == 0)
+        return 0;
+
    switch(s->type){
        case FF_DWT97:
            dwt_encode97_float(s, t); break;
@@ -595,6 +598,9 @@ int ff_dwt_encode(DWTContext *s, void *t)

 int ff_dwt_decode(DWTContext *s, void *t)
 {
+    if (s->ndeclevels == 0)
+        return 0;
+
    switch (s->type) {
    case FF_DWT97:
        dwt_decode97_float(s, t);
@@ -623,7 +629,7 @@ void ff_dwt_destroy(DWTContext *s)

 #define MAX_W 256

-static int test_dwt(int *array, int *ref, uint16_t border[2][2], int decomp_levels, int type, int max_diff) {
+static int test_dwt(int *array, int *ref, int border[2][2], int decomp_levels, int type, int max_diff) {
    int ret, j;
    DWTContext s1={{{0}}}, *s= &s1;
    int64_t err2 = 0;
@@ -662,7 +668,7 @@ static int test_dwt(int *array, int *ref, uint16_t border[2][2], int decomp_leve
    return 0;
 }

-static int test_dwtf(float *array, float *ref, uint16_t border[2][2], int decomp_levels, float max_diff) {
+static int test_dwtf(float *array, float *ref, int border[2][2], int decomp_levels, float max_diff) {
    int ret, j;
    DWTContext s1={{{0}}}, *s= &s1;
    double err2 = 0;
@@ -708,7 +714,7 @@ static float reff  [MAX_W * MAX_W];
 int main(void) {
    AVLFG prng;
    int i,j;
-    uint16_t border[2][2];
+    int border[2][2];
    int ret, decomp_levels;

    av_lfg_init(&prng, 1);
@@ -42,7 +42,7 @@ enum DWTType {

 typedef struct DWTContext {
    /// line lengths { horizontal, vertical } in consecutive decomposition levels
-    uint16_t linelen[FF_DWT_MAX_DECLVLS][2];
+    int linelen[FF_DWT_MAX_DECLVLS][2];
    uint8_t mod[FF_DWT_MAX_DECLVLS][2];  ///< coordinates (x0, y0) of decomp. levels mod 2
    uint8_t ndeclevels;                  ///< number of decomposition levels
    uint8_t type;                        ///< 0 for 9/7; 1 for 5/3
@@ -57,7 +57,7 @@ typedef struct DWTContext {
 * @param decomp_levels     number of decomposition levels
 * @param type              0 for DWT 9/7; 1 for DWT 5/3
 */
-int ff_jpeg2000_dwt_init(DWTContext *s, uint16_t border[2][2],
+int ff_jpeg2000_dwt_init(DWTContext *s, int border[2][2],
                         int decomp_levels, int type);

 int ff_dwt_encode(DWTContext *s, void *t);
@@ -222,9 +222,19 @@ static int utvideo_decode_frame(AVCodecContext *avctx, void *data,
        pic->data[0] = utv->buffer + utv->buf_size + pic->linesize[0];
        break;
    }
+    pic->width  = w;
+    pic->height = h;
+    pic->format = avctx->pix_fmt;
+
+    if (avctx->refcounted_frames) {
+        int ret = av_frame_ref((AVFrame*)data, pic);
+        if (ret < 0)
+             return ret;
+    } else {
+        av_frame_move_ref((AVFrame*)data, pic);
+    }

    *got_frame = 1;
-    av_frame_move_ref((AVFrame*)data, pic);

    return avpkt->size;
 }
@@ -104,19 +104,11 @@ typedef struct VP8EncoderContext {

 /** String mappings for enum vp8e_enc_control_id */
 static const char *const ctlidstr[] = {
-    [VP8E_UPD_ENTROPY]           = "VP8E_UPD_ENTROPY",
-    [VP8E_UPD_REFERENCE]         = "VP8E_UPD_REFERENCE",
-    [VP8E_USE_REFERENCE]         = "VP8E_USE_REFERENCE",
-    [VP8E_SET_ROI_MAP]           = "VP8E_SET_ROI_MAP",
-    [VP8E_SET_ACTIVEMAP]         = "VP8E_SET_ACTIVEMAP",
-    [VP8E_SET_SCALEMODE]         = "VP8E_SET_SCALEMODE",
    [VP8E_SET_CPUUSED]           = "VP8E_SET_CPUUSED",
    [VP8E_SET_ENABLEAUTOALTREF]  = "VP8E_SET_ENABLEAUTOALTREF",
    [VP8E_SET_NOISE_SENSITIVITY] = "VP8E_SET_NOISE_SENSITIVITY",
-    [VP8E_SET_SHARPNESS]         = "VP8E_SET_SHARPNESS",
    [VP8E_SET_STATIC_THRESHOLD]  = "VP8E_SET_STATIC_THRESHOLD",
    [VP8E_SET_TOKEN_PARTITIONS]  = "VP8E_SET_TOKEN_PARTITIONS",
-    [VP8E_GET_LAST_QUANTIZER]    = "VP8E_GET_LAST_QUANTIZER",
    [VP8E_SET_ARNR_MAXFRAMES]    = "VP8E_SET_ARNR_MAXFRAMES",
    [VP8E_SET_ARNR_STRENGTH]     = "VP8E_SET_ARNR_STRENGTH",
    [VP8E_SET_ARNR_TYPE]         = "VP8E_SET_ARNR_TYPE",
@@ -41,8 +41,9 @@ static av_cold int libwebp_anim_encode_init(AVCodecContext *avctx)
    int ret = ff_libwebp_encode_init_common(avctx);
    if (!ret) {
        LibWebPAnimContext *s = avctx->priv_data;
-        WebPAnimEncoderOptions enc_options;
+        WebPAnimEncoderOptions enc_options = { 0 };
        WebPAnimEncoderOptionsInit(&enc_options);
+        enc_options.verbose = av_log_get_level() >= AV_LOG_VERBOSE;
        // TODO(urvang): Expose some options on command-line perhaps.
        s->enc = WebPAnimEncoderNew(avctx->width, avctx->height, &enc_options);
        if (!s->enc)
@@ -632,7 +632,8 @@ unk_pixfmt:
        av_log(s->avctx, AV_LOG_DEBUG, "decode_sof0: error, len(%d) mismatch\n", len);
    }

-    if (s->rgb && !s->lossless && !s->ls) {
+    if ((s->rgb && !s->lossless && !s->ls) ||
+        (!s->rgb && s->ls && s->nb_components > 1)) {
        av_log(s->avctx, AV_LOG_ERROR, "Unsupported coding and pixel format combination\n");
        return AVERROR_PATCHWELCOME;
    }
@@ -998,7 +999,7 @@ static int ljpeg_decode_rgb_scan(MJpegDecodeContext *s, int nb_components, int p
                    return -1;

                left[i] = buffer[mb_x][i] =
-                    mask & (pred + (dc << point_transform));
+                    mask & (pred + (dc * (1 << point_transform)));
            }

            if (s->restart_interval && !--s->restart_count) {
@@ -1246,7 +1247,7 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,
                             int mb_bitmask_size,
                             const AVFrame *reference)
 {
-    int i, mb_x, mb_y;
+    int i, mb_x, mb_y, chroma_h_shift, chroma_v_shift, chroma_width, chroma_height;
    uint8_t *data[MAX_COMPONENTS];
    const uint8_t *reference_data[MAX_COMPONENTS];
    int linesize[MAX_COMPONENTS];
@@ -1263,6 +1264,11 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,

    s->restart_count = 0;

+    av_pix_fmt_get_chroma_sub_sample(s->avctx->pix_fmt, &chroma_h_shift,
+                                     &chroma_v_shift);
+    chroma_width  = FF_CEIL_RSHIFT(s->width,  chroma_h_shift);
+    chroma_height = FF_CEIL_RSHIFT(s->height, chroma_v_shift);
+
    for (i = 0; i < nb_components; i++) {
        int c   = s->comp_index[i];
        data[c] = s->picture_ptr->data[c];
@@ -1299,8 +1305,8 @@ static int mjpeg_decode_scan(MJpegDecodeContext *s, int nb_components, int Ah,

                    if (s->interlaced && s->bottom_field)
                        block_offset += linesize[c] >> 1;
-                    if (   8*(h * mb_x + x) < s->width
-                        && 8*(v * mb_y + y) < s->height) {
+                    if (   8*(h * mb_x + x) < ((c == 1) || (c == 2) ? chroma_width  : s->width)
+                        && 8*(v * mb_y + y) < ((c == 1) || (c == 2) ? chroma_height : s->height)) {
                        ptr = data[c] + block_offset;
                    } else
                        ptr = NULL;
@@ -1375,12 +1381,10 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss,
        return AVERROR_INVALIDDATA;
    }

-    if (!Al) {
-        // s->coefs_finished is a bitmask for coefficients coded
-        // ss and se are parameters telling start and end coefficients
-        s->coefs_finished[c] |= (2ULL << se) - (1ULL << ss);
-        last_scan = !~s->coefs_finished[c];
-    }
+    // s->coefs_finished is a bitmask for coefficients coded
+    // ss and se are parameters telling start and end coefficients
+    s->coefs_finished[c] |= (2ULL << se) - (1ULL << ss);
+    last_scan = !Al && !~s->coefs_finished[c];

    if (s->interlaced && s->bottom_field)
        data += linesize >> 1;
@@ -1962,7 +1966,7 @@ int ff_mjpeg_find_marker(MJpegDecodeContext *s,
        while (b < t) {
            uint8_t x = src[b++];
            put_bits(&pb, 8, x);
-            if (x == 0xFF) {
+            if (x == 0xFF && b < t) {
                x = src[b++];
                if (x & 0x80) {
                    av_log(s->avctx, AV_LOG_WARNING, "Invalid escape sequence\n");
@@ -119,6 +119,16 @@ static void jpeg_put_comments(AVCodecContext *avctx, PutBitContext *p)
    uint8_t *ptr;

    if (avctx->sample_aspect_ratio.num > 0 && avctx->sample_aspect_ratio.den > 0) {
+        AVRational sar = avctx->sample_aspect_ratio;
+
+        if (sar.num > 65535 || sar.den > 65535) {
+            if (!av_reduce(&sar.num, &sar.den, avctx->sample_aspect_ratio.num, avctx->sample_aspect_ratio.den, 65535))
+                av_log(avctx, AV_LOG_WARNING,
+                    "Cannot store exact aspect ratio %d:%d\n",
+                    avctx->sample_aspect_ratio.num,
+                    avctx->sample_aspect_ratio.den);
+        }
+
        /* JFIF header */
        put_marker(p, APP0);
        put_bits(p, 16, 16);
@@ -128,8 +138,8 @@ static void jpeg_put_comments(AVCodecContext *avctx, PutBitContext *p)
         * released revision. */
        put_bits(p, 16, 0x0102);
        put_bits(p,  8, 0);              /* units type: 0 - aspect ratio */
-        put_bits(p, 16, avctx->sample_aspect_ratio.num);
-        put_bits(p, 16, avctx->sample_aspect_ratio.den);
+        put_bits(p, 16, sar.num);
+        put_bits(p, 16, sar.den);
        put_bits(p, 8, 0); /* thumbnail width */
        put_bits(p, 8, 0); /* thumbnail height */
    }
@@ -923,7 +923,7 @@ void ff_estimate_p_frame_motion(MpegEncContext * s,
    c->penalty_factor    = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
    c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
    c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
-    c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
+    c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_DMV;

    get_limits(s, 16*mb_x, 16*mb_y);
    c->skip=0;
@@ -1090,7 +1090,7 @@ int ff_pre_estimate_p_frame_motion(MpegEncContext * s,
    av_assert0(s->quarter_sample==0 || s->quarter_sample==1);

    c->pre_penalty_factor    = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_pre_cmp);
-    c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
+    c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_DMV;

    get_limits(s, 16*mb_x, 16*mb_y);
    c->skip=0;
@@ -1139,7 +1139,7 @@ static int estimate_motion_b(MpegEncContext *s, int mb_x, int mb_y,
    const int shift= 1+s->quarter_sample;
    const int mot_stride = s->mb_stride;
    const int mot_xy = mb_y*mot_stride + mb_x;
-    uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_MV;
+    uint8_t * const mv_penalty= c->mv_penalty[f_code] + MAX_DMV;
    int mv_scale;

    c->penalty_factor    = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
@@ -1203,8 +1203,8 @@ static inline int check_bidir_mv(MpegEncContext * s,
    //FIXME better f_code prediction (max mv & distance)
    //FIXME pointers
    MotionEstContext * const c= &s->me;
-    uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_MV; // f_code of the prev frame
-    uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_MV; // f_code of the prev frame
+    uint8_t * const mv_penalty_f= c->mv_penalty[s->f_code] + MAX_DMV; // f_code of the prev frame
+    uint8_t * const mv_penalty_b= c->mv_penalty[s->b_code] + MAX_DMV; // f_code of the prev frame
    int stride= c->stride;
    uint8_t *dest_y = c->scratchpad;
    uint8_t *ptr;
@@ -1417,7 +1417,7 @@ static inline int direct_search(MpegEncContext * s, int mb_x, int mb_y)
    int mx, my, xmin, xmax, ymin, ymax;
    int16_t (*mv_table)[2]= s->b_direct_mv_table;

-    c->current_mv_penalty= c->mv_penalty[1] + MAX_MV;
+    c->current_mv_penalty= c->mv_penalty[1] + MAX_DMV;
    ymin= xmin=(-32)>>shift;
    ymax= xmax=   31>>shift;

@@ -1553,11 +1553,11 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
    if (s->avctx->flags & AV_CODEC_FLAG_INTERLACED_ME) {
 //FIXME mb type penalty
        c->skip=0;
-        c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_MV;
+        c->current_mv_penalty= c->mv_penalty[s->f_code] + MAX_DMV;
        fimin= interlaced_search(s, 0,
                                 s->b_field_mv_table[0], s->b_field_select_table[0],
                                 s->b_forw_mv_table[xy][0], s->b_forw_mv_table[xy][1], 0);
-        c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_MV;
+        c->current_mv_penalty= c->mv_penalty[s->b_code] + MAX_DMV;
        bimin= interlaced_search(s, 2,
                                 s->b_field_mv_table[1], s->b_field_select_table[1],
                                 s->b_back_mv_table[xy][0], s->b_back_mv_table[xy][1], 0);
@@ -29,7 +29,12 @@

 struct MpegEncContext;

+#if ARCH_IA64 // Limit static arrays to avoid gcc failing "short data segment overflowed"
+#define MAX_MV 1024
+#else
 #define MAX_MV 4096
+#endif
+#define MAX_DMV (2*MAX_MV)

 #define FF_ME_ZERO 0
 #define FF_ME_EPZS 1
@@ -84,7 +89,7 @@ typedef struct MotionEstContext {
    op_pixels_func(*hpel_avg)[4];
    qpel_mc_func(*qpel_put)[16];
    qpel_mc_func(*qpel_avg)[16];
-    uint8_t (*mv_penalty)[MAX_MV * 2 + 1]; ///< bit amount needed to encode a MV
+    uint8_t (*mv_penalty)[MAX_DMV * 2 + 1]; ///< bit amount needed to encode a MV
    uint8_t *current_mv_penalty;
    int (*sub_motion_search)(struct MpegEncContext *s,
                             int *mx_ptr, int *my_ptr, int dmin,
@@ -53,7 +53,7 @@ static const uint8_t svcd_scan_offset_placeholder[] = {
    0x81, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 };

-static uint8_t mv_penalty[MAX_FCODE + 1][MAX_MV * 2 + 1];
+static uint8_t mv_penalty[MAX_FCODE + 1][MAX_DMV * 2 + 1];
 static uint8_t fcode_tab[MAX_MV * 2 + 1];

 static uint8_t uni_mpeg1_ac_vlc_len[64 * 64 * 2];
@@ -145,9 +145,6 @@ static av_cold int encode_init(AVCodecContext *avctx)
 {
    MpegEncContext *s = avctx->priv_data;

-    if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && avctx->height > 2800)
-        avctx->thread_count = 1;
-
    if (ff_mpv_encode_init(avctx) < 0)
        return -1;

@@ -1053,7 +1050,7 @@ av_cold void ff_mpeg1_encode_init(MpegEncContext *s)
        }

        for (f_code = 1; f_code <= MAX_FCODE; f_code++)
-            for (mv = -MAX_MV; mv <= MAX_MV; mv++) {
+            for (mv = -MAX_DMV; mv <= MAX_DMV; mv++) {
                int len;

                if (mv == 0) {
@@ -1076,7 +1073,7 @@ av_cold void ff_mpeg1_encode_init(MpegEncContext *s)
                              2 + bit_size;
                }

-                mv_penalty[f_code][mv + MAX_MV] = len;
+                mv_penalty[f_code][mv + MAX_DMV] = len;
            }


@@ -140,7 +140,7 @@ void ff_mpeg4_encode_mb(MpegEncContext *s,
 void ff_mpeg4_pred_ac(MpegEncContext *s, int16_t *block, int n,
                      int dir);
 void ff_set_mpeg4_time(MpegEncContext *s);
-void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);
+int ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number);

 int ff_mpeg4_decode_picture_header(Mpeg4DecContext *ctx, GetBitContext *gb);
 void ff_mpeg4_encode_video_packet_header(MpegEncContext *s);
@@ -883,7 +883,7 @@ int ff_mpeg4_decode_partitions(Mpeg4DecContext *ctx)
    const int part_a_end   = s->pict_type == AV_PICTURE_TYPE_I ? (ER_DC_END   | ER_MV_END)   : ER_MV_END;

    mb_num = mpeg4_decode_partition_a(ctx);
-    if (mb_num < 0) {
+    if (mb_num <= 0) {
        ff_er_add_slice(&s->er, s->resync_mb_x, s->resync_mb_y,
                        s->mb_x, s->mb_y, part_a_error);
        return -1;
@@ -1881,6 +1881,10 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
                int last = 0;
                for (i = 0; i < 64; i++) {
                    int j;
+                    if (get_bits_left(gb) < 8) {
+                        av_log(s->avctx, AV_LOG_ERROR, "insufficient data for custom matrix\n");
+                        return AVERROR_INVALIDDATA;
+                    }
                    v = get_bits(gb, 8);
                    if (v == 0)
                        break;
@@ -1904,6 +1908,10 @@ static int decode_vol_header(Mpeg4DecContext *ctx, GetBitContext *gb)
                int last = 0;
                for (i = 0; i < 64; i++) {
                    int j;
+                    if (get_bits_left(gb) < 8) {
+                        av_log(s->avctx, AV_LOG_ERROR, "insufficient data for custom matrix\n");
+                        return AVERROR_INVALIDDATA;
+                    }
                    v = get_bits(gb, 8);
                    if (v == 0)
                        break;
@@ -1086,7 +1086,7 @@ static void mpeg4_encode_vol_header(MpegEncContext *s,
 }

 /* write mpeg4 VOP header */
-void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
+int ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
 {
    int time_incr;
    int time_div, time_mod;
@@ -1112,6 +1112,12 @@ void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
    time_mod  = FFUMOD(s->time, s->avctx->time_base.den);
    time_incr = time_div - s->last_time_base;
    av_assert0(time_incr >= 0);
+
+    // This limits the frame duration to max 1 hour
+    if (time_incr > 3600) {
+        av_log(s->avctx, AV_LOG_ERROR, "time_incr %d too large\n", time_incr);
+        return AVERROR(EINVAL);
+    }
    while (time_incr--)
        put_bits(&s->pb, 1, 1);

@@ -1137,6 +1143,8 @@ void ff_mpeg4_encode_picture_header(MpegEncContext *s, int picture_number)
        put_bits(&s->pb, 3, s->f_code);  /* fcode_for */
    if (s->pict_type == AV_PICTURE_TYPE_B)
        put_bits(&s->pb, 3, s->b_code);  /* fcode_back */
+
+    return 0;
 }

 static av_cold void init_uni_dc_tab(void)
@@ -815,6 +815,7 @@ static void clear_context(MpegEncContext *s)

    s->parse_context.buffer = NULL;
    s->parse_context.buffer_size = 0;
+    s->parse_context.overread = 0;
    s->bitstream_buffer = NULL;
    s->allocated_bitstream_buffer_size = 0;
    s->picture          = NULL;
@@ -76,7 +76,7 @@ static int sse_mb(MpegEncContext *s);
 static void denoise_dct_c(MpegEncContext *s, int16_t *block);
 static int dct_quantize_trellis_c(MpegEncContext *s, int16_t *block, int n, int qscale, int *overflow);

-static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_MV * 2 + 1];
+static uint8_t default_mv_penalty[MAX_FCODE + 1][MAX_DMV * 2 + 1];
 static uint8_t default_fcode_tab[MAX_MV * 2 + 1];

 const AVOption ff_mpv_generic_options[] = {
@@ -342,6 +342,7 @@ av_cold int ff_mpv_encode_init(AVCodecContext *avctx)
        break;
    }

+    avctx->bits_per_raw_sample = av_clip(avctx->bits_per_raw_sample, 0, 8);
    s->bit_rate = avctx->bit_rate;
    s->width    = avctx->width;
    s->height   = avctx->height;
@@ -2782,6 +2783,11 @@ int ff_mpv_reallocate_putbitbuffer(MpegEncContext *s, size_t threshold, size_t s
        uint8_t *new_buffer = NULL;
        int new_buffer_size = 0;

+        if ((s->avctx->internal->byte_buffer_size + size_increase) >= INT_MAX/8) {
+            av_log(s->avctx, AV_LOG_ERROR, "Cannot reallocate putbit buffer\n");
+            return AVERROR(ENOMEM);
+        }
+
        av_fast_padded_malloc(&new_buffer, &new_buffer_size,
                              s->avctx->internal->byte_buffer_size + size_increase);
        if (!new_buffer)
@@ -3765,9 +3771,11 @@ static int encode_picture(MpegEncContext *s, int picture_number)
            ff_wmv2_encode_picture_header(s, picture_number);
        else if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
            ff_msmpeg4_encode_picture_header(s, picture_number);
-        else if (CONFIG_MPEG4_ENCODER && s->h263_pred)
-            ff_mpeg4_encode_picture_header(s, picture_number);
-        else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10) {
+        else if (CONFIG_MPEG4_ENCODER && s->h263_pred) {
+            ret = ff_mpeg4_encode_picture_header(s, picture_number);
+            if (ret < 0)
+                return ret;
+        } else if (CONFIG_RV10_ENCODER && s->codec_id == AV_CODEC_ID_RV10) {
            ret = ff_rv10_encode_picture_header(s, picture_number);
            if (ret < 0)
                return ret;
@@ -210,8 +210,13 @@ static int decode_555(GetByteContext *gB, uint16_t *dst, int stride,
                    last_symbol = b << 8 | bytestream2_get_byte(gB);
                else if (b > 129) {
                    repeat = 0;
-                    while (b-- > 130)
+                    while (b-- > 130) {
+                        if (repeat >= (INT_MAX >> 8) - 1) {
+                            av_log(NULL, AV_LOG_ERROR, "repeat overflow\n");
+                            return AVERROR_INVALIDDATA;
+                        }
                        repeat = (repeat << 8) + bytestream2_get_byte(gB) + 1;
+                    }
                    if (last_symbol == -2) {
                        int skip = FFMIN((unsigned)repeat, dst + w - p);
                        repeat -= skip;
@@ -211,9 +211,16 @@ static inline int get_egolomb(GetBitContext *gb)
 {
    int v = 4;

-    while (get_bits1(gb)) v++;
+    while (get_bits1(gb)) {
+        v++;
+        if (v > 30) {
+            av_log(NULL, AV_LOG_WARNING, "Too large golomb code in get_egolomb.\n");
+            v = 30;
+            break;
+        }
+    }

-    return (1 << v) + get_bits(gb, v);
+    return (1 << v) + get_bits_long(gb, v);
 }

 static int on2avc_decode_pairs(On2AVCContext *c, GetBitContext *gb, float *dst,
@@ -824,7 +824,7 @@ static inline void silk_stabilize_lsf(int16_t nlsf[16], int order, const uint16_

            /* upper extent */
            for (i = order; i > k; i--)
-                max_center -= min_delta[k];
+                max_center -= min_delta[i];
            max_center -= min_delta[k] >> 1;

            /* move apart */
@@ -33,7 +33,7 @@
 #include "libavutil/imgutils.h"
 #include "libavutil/opt.h"

-#define RGBA(r,g,b,a) (((a) << 24) | ((r) << 16) | ((g) << 8) | (b))
+#define RGBA(r,g,b,a) (((unsigned)(a) << 24) | ((r) << 16) | ((g) << 8) | (b))
 #define MAX_EPOCH_PALETTES 8   // Max 8 allowed per PGS epoch
 #define MAX_EPOCH_OBJECTS  64  // Max 64 allowed per PGS epoch
 #define MAX_OBJECT_REFS    2   // Max objects per display set
@@ -354,8 +354,14 @@ static int parse_palette_segment(AVCodecContext *avctx,
        cb        = bytestream_get_byte(&buf);
        alpha     = bytestream_get_byte(&buf);

-        YUV_TO_RGB1(cb, cr);
-        YUV_TO_RGB2(r, g, b, y);
+        /* Default to BT.709 colorimetry. In case of <= 576 height use BT.601 */
+        if (avctx->height <= 0 || avctx->height > 576) {
+            YUV_TO_RGB1_CCIR_BT709(cb, cr);
+        } else {
+            YUV_TO_RGB1_CCIR(cb, cr);
+        }
+
+        YUV_TO_RGB2_CCIR(r, g, b, y);

        ff_dlog(avctx, "Color %d := (%d,%d,%d,%d)\n", color_id, r, g, b, alpha);

@@ -663,7 +663,10 @@ static int decode_idat_chunk(AVCodecContext *avctx, PNGDecContext *s,
                break;

            default:
-                av_assert0(0);
+                avpriv_request_sample(avctx, "bit depth %d "
+                        "and color type %d with TRNS",
+                        s->bit_depth, s->color_type);
+                return AVERROR_INVALIDDATA;
            }

            s->bpp += byte_depth;
@@ -747,12 +747,11 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict,

            // Do disposal
            if (last_fctl_chunk.dispose_op != APNG_DISPOSE_OP_PREVIOUS) {
-                memcpy(diffFrame->data[0], s->last_frame->data[0],
-                       s->last_frame->linesize[0] * s->last_frame->height);
+                av_frame_copy(diffFrame, s->last_frame);

                if (last_fctl_chunk.dispose_op == APNG_DISPOSE_OP_BACKGROUND) {
                    for (y = last_fctl_chunk.y_offset; y < last_fctl_chunk.y_offset + last_fctl_chunk.height; ++y) {
-                        size_t row_start = s->last_frame->linesize[0] * y + bpp * last_fctl_chunk.x_offset;
+                        size_t row_start = diffFrame->linesize[0] * y + bpp * last_fctl_chunk.x_offset;
                        memset(diffFrame->data[0] + row_start, 0, bpp * last_fctl_chunk.width);
                    }
                }
@@ -760,8 +759,7 @@ static int apng_encode_frame(AVCodecContext *avctx, const AVFrame *pict,
                if (!s->prev_frame)
                    continue;

-                memcpy(diffFrame->data[0], s->prev_frame->data[0],
-                       s->prev_frame->linesize[0] * s->prev_frame->height);
+                av_frame_copy(diffFrame, s->prev_frame);
            }

            // Do inverse blending
@@ -923,13 +921,12 @@ static int encode_apng(AVCodecContext *avctx, AVPacket *pkt,
            }

            // Do disposal, but not blending
-            memcpy(s->prev_frame->data[0], s->last_frame->data[0],
-                   s->last_frame->linesize[0] * s->last_frame->height);
+            av_frame_copy(s->prev_frame, s->last_frame);
            if (s->last_frame_fctl.dispose_op == APNG_DISPOSE_OP_BACKGROUND) {
                uint32_t y;
                uint8_t bpp = (s->bits_per_pixel + 7) >> 3;
                for (y = s->last_frame_fctl.y_offset; y < s->last_frame_fctl.y_offset + s->last_frame_fctl.height; ++y) {
-                    size_t row_start = s->last_frame->linesize[0] * y + bpp * s->last_frame_fctl.x_offset;
+                    size_t row_start = s->prev_frame->linesize[0] * y + bpp * s->last_frame_fctl.x_offset;
                    memset(s->prev_frame->data[0] + row_start, 0, bpp * s->last_frame_fctl.width);
                }
            }
@@ -193,6 +193,12 @@ int ff_slice_thread_init(AVCodecContext *avctx)
    w32thread_init();
 #endif

+    // We cannot do this in the encoder init as the threads are created before
+    if (av_codec_is_encoder(avctx->codec) &&
+        avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO &&
+        avctx->height > 2800)
+        thread_count = avctx->thread_count = 1;
+
    if (!thread_count) {
        int nb_cpus = av_cpu_count();
        if  (avctx->height)
@@ -105,7 +105,7 @@ static inline void flush_put_bits(PutBitContext *s)
        s->bit_buf <<= s->bit_left;
 #endif
    while (s->bit_left < 32) {
-        /* XXX: should test end of buffer */
+        av_assert0(s->buf_ptr < s->buf_end);
 #ifdef BITSTREAM_WRITER_LE
        *s->buf_ptr++ = s->bit_buf;
        s->bit_buf  >>= 8;
@@ -163,9 +163,13 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
 #ifdef BITSTREAM_WRITER_LE
    bit_buf |= value << (32 - bit_left);
    if (n >= bit_left) {
-        av_assert2(s->buf_ptr+3<s->buf_end);
-        AV_WL32(s->buf_ptr, bit_buf);
-        s->buf_ptr += 4;
+        if (3 < s->buf_end - s->buf_ptr) {
+            AV_WL32(s->buf_ptr, bit_buf);
+            s->buf_ptr += 4;
+        } else {
+            av_log(NULL, AV_LOG_ERROR, "Internal error, put_bits buffer too small\n");
+            av_assert2(0);
+        }
        bit_buf     = value >> bit_left;
        bit_left   += 32;
    }
@@ -177,9 +181,13 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
    } else {
        bit_buf   <<= bit_left;
        bit_buf    |= value >> (n - bit_left);
-        av_assert2(s->buf_ptr+3<s->buf_end);
-        AV_WB32(s->buf_ptr, bit_buf);
-        s->buf_ptr += 4;
+        if (3 < s->buf_end - s->buf_ptr) {
+            AV_WB32(s->buf_ptr, bit_buf);
+            s->buf_ptr += 4;
+        } else {
+            av_log(NULL, AV_LOG_ERROR, "Internal error, put_bits buffer too small\n");
+            av_assert2(0);
+        }
        bit_left   += 32 - n;
        bit_buf     = value;
    }
@@ -258,7 +258,7 @@ static int raw_decode(AVCodecContext *avctx, void *data, int *got_frame,
        buf += buf_size - context->frame_size;

    len = context->frame_size - (avctx->pix_fmt==AV_PIX_FMT_PAL8 ? AVPALETTE_SIZE : 0);
-    if (buf_size < len && (avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0)) {
+    if (buf_size < len && ((avctx->codec_tag & 0xFFFFFF) != MKTAG('B','I','T', 0) || !need_copy)) {
        av_log(avctx, AV_LOG_ERROR, "Invalid buffer size, packet size %d < expected frame_size %d\n", buf_size, len);
        av_buffer_unref(&frame->buf[0]);
        return AVERROR(EINVAL);
@@ -291,12 +291,6 @@ int audio_resample(ReSampleContext *s, short *output, short *input, int nb_sampl
    short *output_bak = NULL;
    int lenout;

-    if (s->input_channels == s->output_channels && s->ratio == 1.0 && 0) {
-        /* nothing to do */
-        memcpy(output, input, nb_samples * s->input_channels * sizeof(short));
-        return nb_samples;
-    }
-
    if (s->sample_fmt[0] != AV_SAMPLE_FMT_S16) {
        int istride[1] = { s->sample_size[0] };
        int ostride[1] = { 2 };
@@ -137,6 +137,7 @@ typedef struct AACSBRContext {
 struct SpectralBandReplication {
    int                sample_rate;
    int                start;
+    int                ready_for_dequant;
    int                id_aac;
    int                reset;
    SpectrumParameters spectrum_params;
@@ -38,9 +38,14 @@ static SoftFloat sbr_sum_square_c(int (*x)[2], int n)
    int i, nz, round;

    for (i = 0; i < n; i += 2) {
+        // Larger values are inavlid and could cause overflows of accu.
+        av_assert2(FFABS(x[i + 0][0]) >> 29 == 0);
        accu += (int64_t)x[i + 0][0] * x[i + 0][0];
+        av_assert2(FFABS(x[i + 0][1]) >> 29 == 0);
        accu += (int64_t)x[i + 0][1] * x[i + 0][1];
+        av_assert2(FFABS(x[i + 1][0]) >> 29 == 0);
        accu += (int64_t)x[i + 1][0] * x[i + 1][0];
+        av_assert2(FFABS(x[i + 1][1]) >> 29 == 0);
        accu += (int64_t)x[i + 1][1] * x[i + 1][1];
    }

@@ -670,6 +670,10 @@ static int smka_decode_frame(AVCodecContext *avctx, void *data,

    /* get output buffer */
    frame->nb_samples = unp_size / (avctx->channels * (bits + 1));
+    if (unp_size % (avctx->channels * (bits + 1))) {
+        av_log(avctx, AV_LOG_ERROR, "unp_size %d is odd\n", unp_size);
+        return AVERROR(EINVAL);
+    }
    if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
        return ret;
    samples  = (int16_t *)frame->data[0];
@@ -291,7 +291,7 @@ static int encode_q_branch(SnowContext *s, int level, int x, int y){
    c->penalty_factor    = get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_cmp);
    c->sub_penalty_factor= get_penalty_factor(s->lambda, s->lambda2, c->avctx->me_sub_cmp);
    c->mb_penalty_factor = get_penalty_factor(s->lambda, s->lambda2, c->avctx->mb_cmp);
-    c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_MV;
+    c->current_mv_penalty= c->mv_penalty[s->m.f_code=1] + MAX_DMV;

    c->xmin = - x*block_w - 16+3;
    c->ymin = - y*block_w - 16+3;
@@ -928,6 +928,13 @@ static av_cold int sonic_decode_init(AVCodecContext *avctx)
    s->frame_size = s->channels*s->block_align*s->downsampling;
 //    avctx->frame_size = s->block_align;

+    if (s->num_taps * s->channels > s->frame_size) {
+        av_log(avctx, AV_LOG_ERROR,
+               "number of taps times channels (%d * %d) larger than frame size %d\n",
+               s->num_taps, s->channels, s->frame_size);
+        return AVERROR_INVALIDDATA;
+    }
+
    av_log(avctx, AV_LOG_INFO, "Sonic: ver: %d.%d ls: %d dr: %d taps: %d block: %d frame: %d downsamp: %d\n",
        s->version, s->minor_version, s->lossless, s->decorrelation, s->num_taps, s->block_align, s->frame_size, s->downsampling);

@@ -224,6 +224,7 @@ static void decode_lpc(int32_t *coeffs, int mode, int length)
            int a3  = coeffs[2];
            int a4  = a3 + a1;
            int a5  = a4 + a2;
+            coeffs[2] = a5;
            coeffs += 3;
            for (i = 0; i < length - 3; i++) {
                a3     += *coeffs;
@@ -632,7 +633,7 @@ static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
        for (; length2 > 0; length2 -= tmp) {
            tmp = FFMIN(length2, x);

-            for (i = 0; i < tmp; i++)
+            for (i = 0; i < tmp - (tmp == length2); i++)
                s->residues[filter_order + i] = *p2++ >> dshift;

            for (i = 0; i < tmp; i++) {
@@ -656,7 +657,7 @@ static int decorrelate(TAKDecContext *s, int c1, int c2, int length)
                *p1++ = v;
            }

-            memcpy(s->residues, &s->residues[tmp], 2 * filter_order);
+            memmove(s->residues, &s->residues[tmp], 2 * filter_order);
        }

        emms_c();
@@ -1004,8 +1004,13 @@ static int tiff_decode_tag(TiffContext *s, AVFrame *frame)
            av_log(s->avctx, AV_LOG_ERROR, "subsample count invalid\n");
            return AVERROR_INVALIDDATA;
        }
-        for (i = 0; i < count; i++)
+        for (i = 0; i < count; i++) {
            s->subsampling[i] = ff_tget(&s->gb, type, s->le);
+            if (s->subsampling[i] <= 0) {
+                av_log(s->avctx, AV_LOG_ERROR, "subsampling %d is invalid\n", s->subsampling[i]);
+                return AVERROR_INVALIDDATA;
+            }
+        }
        break;
    case TIFF_T4OPTIONS:
        if (s->compr == TIFF_G3)
@@ -1253,7 +1258,7 @@ static int decode_frame(AVCodecContext *avctx,
                         avpkt->size - s->strippos);
    }

-    if (s->rps <= 0) {
+    if (s->rps <= 0 || s->rps % s->subsampling[1]) {
        av_log(avctx, AV_LOG_ERROR, "rps %d invalid\n", s->rps);
        return AVERROR_INVALIDDATA;
    }
@@ -114,9 +114,12 @@ static int tta_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
 {
    TTAEncContext *s = avctx->priv_data;
    PutBitContext pb;
-    int ret, i, out_bytes, cur_chan = 0, res = 0, samples = 0;
+    int ret, i, out_bytes, cur_chan, res, samples;
+    int64_t pkt_size =  frame->nb_samples * 2LL * avctx->channels * s->bps;

-    if ((ret = ff_alloc_packet2(avctx, avpkt, frame->nb_samples * 2 * avctx->channels * s->bps, 0)) < 0)
+pkt_alloc:
+    cur_chan = 0, res = 0, samples = 0;
+    if ((ret = ff_alloc_packet2(avctx, avpkt, pkt_size, 0)) < 0)
        return ret;
    init_put_bits(&pb, avpkt->data, avpkt->size);

@@ -174,6 +177,14 @@ static int tta_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
                rice->k1++;

            unary = 1 + (outval >> k);
+            if (unary + 100LL > put_bits_left(&pb)) {
+                if (pkt_size < INT_MAX/2) {
+                    pkt_size *= 2;
+                    av_packet_unref(avpkt);
+                    goto pkt_alloc;
+                } else
+                    return AVERROR(ENOMEM);
+            }
            do {
                if (unary > 31) {
                    put_bits(&pb, 31, 0x7FFFFFFF);
@@ -1040,8 +1040,10 @@ end:
 int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
 {
    int ret = get_buffer_internal(avctx, frame, flags);
-    if (ret < 0)
+    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
+        frame->width = frame->height = 0;
+    }
    return ret;
 }

@@ -3178,8 +3180,8 @@ void avcodec_string(char *buf, int buf_size, AVCodecContext *enc, int encode)

            if (enc->sample_aspect_ratio.num) {
                av_reduce(&display_aspect_ratio.num, &display_aspect_ratio.den,
-                          enc->width * enc->sample_aspect_ratio.num,
-                          enc->height * enc->sample_aspect_ratio.den,
+                          enc->width * (int64_t)enc->sample_aspect_ratio.num,
+                          enc->height * (int64_t)enc->sample_aspect_ratio.den,
                          1024 * 1024);
                snprintf(buf + strlen(buf), buf_size - strlen(buf),
                         " [SAR %d:%d DAR %d:%d]",
@@ -3490,7 +3492,7 @@ int av_get_audio_frame_duration(AVCodecContext *avctx, int frame_bytes)
                return frame_bytes * 8 / bps;
        }

-        if (ch > 0) {
+        if (ch > 0 && ch < INT_MAX/16) {
            /* calc from frame_bytes and channels */
            switch (id) {
            case AV_CODEC_ID_ADPCM_AFC:
@@ -573,6 +573,11 @@ static int vorbis_parse_setup_hdr_floors(vorbis_context *vc)
                return AVERROR(ENOMEM);

            rangebits = get_bits(gb, 4);
+            if (!rangebits && floor_setup->data.t1.partitions) {
+                av_log(vc->avctx, AV_LOG_ERROR,
+                       "A rangebits value of 0 is not compliant with the Vorbis I specification.\n");
+                return AVERROR_INVALIDDATA;
+            }
            rangemax = (1 << rangebits);
            if (rangemax > vc->blocksize[1] / 2) {
                av_log(vc->avctx, AV_LOG_ERROR,
@@ -789,6 +794,11 @@ static int vorbis_parse_setup_hdr_mappings(vorbis_context *vc)

        if (get_bits1(gb)) {
            mapping_setup->coupling_steps = get_bits(gb, 8) + 1;
+            if (vc->audio_channels < 2) {
+                av_log(vc->avctx, AV_LOG_ERROR,
+                       "Square polar channel mapping with less than two channels is not compliant with the Vorbis I specification.\n");
+                return AVERROR_INVALIDDATA;
+            }
            mapping_setup->magnitude      = av_mallocz(mapping_setup->coupling_steps *
                                                       sizeof(*mapping_setup->magnitude));
            mapping_setup->angle          = av_mallocz(mapping_setup->coupling_steps *
@@ -131,7 +131,7 @@ static const uint8_t hilbert_offset[16][2] = {

 typedef struct Vp3DecodeContext {
    AVCodecContext *avctx;
-    int theora, theora_tables;
+    int theora, theora_tables, theora_header;
    int version;
    int width, height;
    int chroma_x_shift, chroma_y_shift;
@@ -209,8 +209,8 @@ typedef struct Vp3DecodeContext {
    int16_t *dct_tokens[3][64];
    int16_t *dct_tokens_base;
 #define TOKEN_EOB(eob_run)              ((eob_run) << 2)
-#define TOKEN_ZERO_RUN(coeff, zero_run) (((coeff) << 9) + ((zero_run) << 2) + 1)
-#define TOKEN_COEFF(coeff)              (((coeff) << 2) + 2)
+#define TOKEN_ZERO_RUN(coeff, zero_run) (((coeff) * 512) + ((zero_run) << 2) + 1)
+#define TOKEN_COEFF(coeff)              (((coeff) * 4) + 2)

    /**
     * number of blocks that contain DCT coefficients at
@@ -2016,17 +2016,19 @@ static int vp3_decode_frame(AVCodecContext *avctx,
            vp3_decode_end(avctx);
            ret = theora_decode_header(avctx, &gb);

+            if (ret >= 0)
+                ret = vp3_decode_init(avctx);
            if (ret < 0) {
                vp3_decode_end(avctx);
-            } else
-                ret = vp3_decode_init(avctx);
+            }
            return ret;
        } else if (type == 2) {
            ret = theora_decode_tables(avctx, &gb);
+            if (ret >= 0)
+                ret = vp3_decode_init(avctx);
            if (ret < 0) {
                vp3_decode_end(avctx);
-            } else
-                ret = vp3_decode_init(avctx);
+            }
            return ret;
        }

@@ -2251,6 +2253,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
    int ret;
    AVRational fps, aspect;

+    s->theora_header = 0;
    s->theora = get_bits_long(gb, 24);
    av_log(avctx, AV_LOG_DEBUG, "Theora bitstream version %X\n", s->theora);

@@ -2321,7 +2324,8 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
            return AVERROR_INVALIDDATA;
        }
        skip_bits(gb, 3); /* reserved */
-    }
+    } else
+        avctx->pix_fmt = AV_PIX_FMT_YUV420P;

    ret = ff_set_dimensions(avctx, s->width, s->height);
    if (ret < 0)
@@ -2355,6 +2359,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
        avctx->color_trc  = AVCOL_TRC_BT709;
    }

+    s->theora_header = 1;
    return 0;
 }

@@ -2363,6 +2368,9 @@ static int theora_decode_tables(AVCodecContext *avctx, GetBitContext *gb)
    Vp3DecodeContext *s = avctx->priv_data;
    int i, n, matrices, inter, plane;

+    if (!s->theora_header)
+        return AVERROR_INVALIDDATA;
+
    if (s->theora >= 0x030200) {
        n = get_bits(gb, 3);
        /* loop filter limit values table */
@@ -128,6 +128,11 @@ static av_cold int wavpack_encode_init(AVCodecContext *avctx)

    s->avctx = avctx;

+    if (avctx->channels > 255) {
+        av_log(avctx, AV_LOG_ERROR, "Invalid channel count: %d\n", avctx->channels);
+        return AVERROR(EINVAL);
+    }
+
    if (!avctx->frame_size) {
        int block_samples;
        if (!(avctx->sample_rate & 1))
@@ -2878,7 +2883,7 @@ static int wavpack_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
    }

    buf_size = s->block_samples * avctx->channels * 8
-             + 200 /* for headers */;
+             + 200 * avctx->channels /* for headers */;
    if ((ret = ff_alloc_packet2(avctx, avpkt, buf_size, 0)) < 0)
        return ret;
    buf = avpkt->data;
@@ -32,6 +32,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
    WMACodecContext *s = avctx->priv_data;
    int i, flags1, flags2, block_align;
    uint8_t *extradata;
+    int ret;

    s->avctx = avctx;

@@ -82,7 +83,8 @@ static av_cold int encode_init(AVCodecContext *avctx)
    if (avctx->channels == 2)
        s->ms_stereo = 1;

-    ff_wma_init(avctx, flags2);
+    if ((ret = ff_wma_init(avctx, flags2)) < 0)
+        return ret;

    /* init MDCT */
    for (i = 0; i < s->nb_block_sizes; i++)
@@ -300,6 +300,12 @@ static av_cold int decode_init(AVCodecContext *avctx)
        s->decode_flags    = AV_RL16(edata_ptr+14);
        channel_mask       = AV_RL32(edata_ptr+2);
        s->bits_per_sample = AV_RL16(edata_ptr);
+
+        if (s->bits_per_sample > 32 || s->bits_per_sample < 1) {
+            avpriv_request_sample(avctx, "bits per sample is %d", s->bits_per_sample);
+            return AVERROR_PATCHWELCOME;
+        }
+
        /** dump the extradata */
        for (i = 0; i < avctx->extradata_size; i++)
            ff_dlog(avctx, "[%x] ", avctx->extradata[i]);
@@ -477,7 +483,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
    /** calculate subwoofer cutoff values */
    for (i = 0; i < num_possible_block_sizes; i++) {
        int block_size = s->samples_per_frame >> i;
-        int cutoff = (440*block_size + 3 * (s->avctx->sample_rate >> 1) - 1)
+        int cutoff = (440*block_size + 3LL * (s->avctx->sample_rate >> 1) - 1)
                     / s->avctx->sample_rate;
        s->subwoofer_cutoffs[i] = av_clip(cutoff, 4, block_size);
    }
@@ -1623,6 +1629,11 @@ static int decode_packet(AVCodecContext *avctx, void *data,
            s->packet_done = 1;
    }

+    if (remaining_bits(s, gb) < 0) {
+        av_log(avctx, AV_LOG_ERROR, "Overread %d\n", -remaining_bits(s, gb));
+        s->packet_loss = 1;
+    }
+
    if (s->packet_done && !s->packet_loss &&
        remaining_bits(s, gb) > 0) {
        /** save the rest of the data so that it can be decoded
@@ -141,7 +141,7 @@ static int xwd_decode_frame(AVCodecContext *avctx, void *data,
        return AVERROR_INVALIDDATA;
    }

-    if (bytestream2_get_bytes_left(&gb) < ncolors * XWD_CMAP_SIZE + avctx->height * lsize) {
+    if (bytestream2_get_bytes_left(&gb) < ncolors * XWD_CMAP_SIZE + (uint64_t)avctx->height * lsize) {
        av_log(avctx, AV_LOG_ERROR, "input buffer too small\n");
        return AVERROR_INVALIDDATA;
    }
@@ -241,7 +241,7 @@ static av_cold int movie_common_init(AVFilterContext *ctx)
        timestamp = movie->seek_point;
        // add the stream start time, should it exist
        if (movie->format_ctx->start_time != AV_NOPTS_VALUE) {
-            if (timestamp > INT64_MAX - movie->format_ctx->start_time) {
+            if (timestamp > 0 && movie->format_ctx->start_time > INT64_MAX - timestamp) {
                av_log(ctx, AV_LOG_ERROR,
                       "%s: seek value overflow with start_time:%"PRId64" seek_point:%"PRId64"\n",
                       movie->file_name, movie->format_ctx->start_time, movie->seek_point);
@@ -1210,7 +1210,9 @@ static int draw_text(AVFilterContext *ctx, AVFrame *frame,
        dummy.code = code;
        glyph = av_tree_find(s->glyphs, &dummy, glyph_cmp, NULL);
        if (!glyph) {
-            load_glyph(ctx, &glyph, code);
+            ret = load_glyph(ctx, &glyph, code);
+            if (ret < 0)
+                return ret;
        }

        y_min = FFMIN(glyph->bbox.yMin, y_min);
--- a/Show More
+++ b/Show More
@@ -1 +1 @@
 .8.2
 .8.7