librtmp: Avoid an infiniloop setting connection arguments

The exit condition was missing.

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
(cherry picked from commit e85d38c20a)
Signed-off-by: Timothy Gu <timothygu99@gmail.com>

Changelog

@@ -1,6 +1,182 @@
 Entries are sorted chronologically from oldest to youngest within each release,
 releases are sorted from youngest to oldest.
 
+version 2.6.9:
+- avcodec/mjpegdec: Do not try to detect last scan but apply idct after all scans for progressive jpeg
+- avformat/options_table: Add missing identifier for very strict compliance
+- 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/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
+- 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/rtpenc: Fix integer overflow in NTP_TO_RTP_FORMAT
+- avformat/cache: Fix memleak of tree entries
+- lavf/mov: fix sidx with edit lists (cherry picked from commit 3617e69d50dd9dd07b5011dfb9477a9d1a630354)
+- avcodec/mjpegdec: Fix decoding slightly odd progressive jpeg
+- 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
+- swscale/x86/output: Fix yuv2planeX_16* with unaligned destination
+- swscale/x86/output: Move code into yuv2planeX_mainloop
+- doc/utils: fix typo for min() description
+
+
+version 2.6.8:
+- MAINTAINERS: remove unmaintained releases
+- 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/avio: Limit url option parsing to the documented cases
+- 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
+- swscale/swscale-test: Fix slice height in random reference data creation.
+- 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
+
+version 2.6.7:
+- configure: bump copyright year to 2016
+- avformat/hls: Even stricter URL checks
+- avformat/hls: More strict url checks
+- 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/dvdec: Fix "left shift of negative value -254"
+- avcodec/mjpegdec: Fix negative shift
+- avcodec/mss2: Check for repeat overflow
+- avformat: Add integer fps from 31 to 60 to get_std_framerate()
+- 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
+- x86/float_dsp: zero extend offset from ff_scalarproduct_float_sse
+
+
+version 2.6.6:
+- nuv: sanitize negative fps rate
+- rawdec: only exempt BIT0 with need_copy from buffer sanity check
+- mlvdec: check that index_entries exist
+- 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
+- avcodec/mpeg4videodec: also for empty partitioned slices
+- avcodec/h264_refs: Fix long_idx check
+- avfilter/vf_mpdecimate: Add missing emms_c()
+- avformat/mxfenc: Do not crash if there is no packet in the first stream
+- 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
+- avcodec/hevc: Check max ctb addresses for WPP
+- 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: 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"
+- 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()
+- 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/utils: Clear dimensions in ff_get_buffer() on failure
+- avcodec/utils: Use 64bit for aspect ratio calculation in avcodec_string()
+- 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
+- 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
+- avcodec/vp8: Do not use num_coeff_partitions in thread/buffer setup
+- avcodec/mpeg4videodec: Check available data before reading custom matrix
+- mjpegdec: consider chroma subsampling in size check
+- avcodec/dirac_parser: Check that there is a previous PU before accessing it
+- 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
+- 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
+- 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
+- mxfdec: check edit_rate also for physical_track
+- mpegvideo: clear overread in clear_context
+- dvdsubdec: validate offset2 similar to offset1
+- aacdec: don't return frames without data from aac_decode_er_frame
+- avcodec/takdec: Use memove, avoid undefined memcpy() use
+- riffdec: prevent negative bit rate
+- Merge commit 'd80811c94e068085aab797f9ba35790529126f85'
+- s302m: fix arithmetic exception
+- avcodec/s302m: Only set the sample rate when some data is output
+- vp9: add support for resolution changes in inter frames.
+
+
 version 2.6.5:
 - rtmpcrypt: Do the xtea decryption in little endian mode
 - avformat/matroskadec: Check subtitle stream before dereferencing

MAINTAINERS

@@ -539,6 +539,7 @@ Windows ICL                             Matthew Oliver
 ADI/Blackfin DSP                        Marc Hoffman
 Sparc                                   Roman Shaposhnik
 x86                                     Michael Niedermayer
+OS/2                                    KO Myung-Hun
 
 
 Releases
@@ -546,8 +547,6 @@ Releases
 
 2.6                                     Michael Niedermayer
 2.5                                     Michael Niedermayer
-2.4                                     Michael Niedermayer
-2.2                                     Michael Niedermayer
 
 If you want to maintain an older release, please contact us
 

RELEASE

@@ -1 +1 @@
-2.6.5
+2.6.9

configure

@@ -5748,7 +5748,7 @@ 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})"

doc/Doxyfile

@@ -31,7 +31,7 @@ PROJECT_NAME           = FFmpeg
 # This could be handy for archiving the generated documentation or
 # if some version control system is used.
 
-PROJECT_NUMBER         = 2.6.5
+PROJECT_NUMBER         = 2.6.9
 
 # With the PROJECT_LOGO tag one can specify a logo or icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55

doc/demuxers.texi

@@ -98,7 +98,7 @@ 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
@@ -145,7 +145,9 @@ 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
@@ -359,6 +361,23 @@ 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.

doc/filters.texi

@@ -4243,7 +4243,7 @@ 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

doc/utils.texi

@@ -861,7 +861,7 @@ 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}.

libavcodec/aaccoder.c

@@ -691,7 +691,7 @@ 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

libavcodec/aacdec.c

@@ -2919,6 +2919,11 @@ static int aac_decode_er_frame(AVCodecContext *avctx, void *data,
 
     spectral_to_sample(ac);
 
+    if (!ac->frame->data[0] && samples) {
+        av_log(avctx, AV_LOG_ERROR, "no frame data found\n");
+        return AVERROR_INVALIDDATA;
+    }
+
     ac->frame->nb_samples = samples;
     ac->frame->sample_rate = avctx->sample_rate;
     *got_frame_ptr = 1;

libavcodec/aacenc.c

@@ -578,8 +578,16 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
                 ics->group_len[w] = wi[ch].grouping[w];
 
             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);
             }
         }

libavcodec/ac3dec.c

@@ -902,11 +902,13 @@ 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;
         }
     }
 

libavcodec/apedec.c

@@ -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;

libavcodec/ass_split.c

@@ -523,7 +523,7 @@ 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;
 }

libavcodec/avpacket.c

@@ -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;
@@ -387,10 +388,12 @@ 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;
         }
 
@@ -401,7 +404,7 @@ 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 + FF_INPUT_BUFFER_PADDING_SIZE);
             pkt->side_data[i].size = size;
             pkt->side_data[i].type = p[4]&127;

libavcodec/bmp_parser.c

@@ -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;

libavcodec/cabac.c

@@ -51,7 +51,7 @@ void ff_init_cabac_encoder(CABACContext *c, uint8_t *buf, int buf_size){
  *
  * @param buf_size size of buf in bits
  */
-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)

libavcodec/cabac.h

@@ -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 */

libavcodec/cabac_functions.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;
 }

libavcodec/dca.c

@@ -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:

libavcodec/dirac_parser.c

@@ -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);

libavcodec/dvdec.c

@@ -333,7 +333,7 @@ static int dv_decode_video_segment(AVCodecContext *avctx, void *arg)
                                     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;

libavcodec/dvdsubdec.c

@@ -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;
 

libavcodec/exr.c

@@ -459,7 +459,7 @@ static int huf_build_dec_table(const uint64_t *hcode, int im,
         lc += 8;                                                              \
 }
 
-#define get_code(po, rlc, c, lc, gb, out, oe)                                 \
+#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;
         }

libavcodec/ffv1dec.c

@@ -567,8 +567,11 @@ 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]);

libavcodec/flacenc.c

@@ -920,7 +920,7 @@ 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;

libavcodec/gif.c

@@ -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;
@@ -232,7 +233,8 @@ static av_cold int gif_encode_init(AVCodecContext *avctx)
     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);
@@ -324,6 +326,7 @@ 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;

libavcodec/golomb.h

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

libavcodec/h264.c

@@ -1765,7 +1765,7 @@ 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;
     }
@@ -1774,7 +1774,7 @@ 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;
     }

libavcodec/h264_cabac.c

@@ -2000,6 +2000,7 @@ 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
@@ -2016,7 +2017,9 @@ decode_intra_mb:
         h->intra_pcm_ptr = ptr;
         ptr += mb_size;
 
-        ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
+        ret = ff_init_cabac_decoder(&h->cabac, ptr, h->cabac.bytestream_end - ptr);
+        if (ret < 0)
+            return ret;
 
         // All blocks are present
         h->cbp_table[mb_xy] = 0xf7ef;

libavcodec/h264_refs.c

@@ -276,7 +276,7 @@ int ff_h264_decode_ref_pic_list_reordering(H264Context *h)
 
                     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;

libavcodec/h264_slice.c

@@ -893,7 +893,7 @@ static void implicit_weight_table(H264Context *h, int field)
             cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure - 1];
         }
         if (h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF(h) &&
-            h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2 * cur_poc) {
+            h->ref_list[0][0].poc + (int64_t)h->ref_list[1][0].poc == 2 * cur_poc) {
             h->use_weight        = 0;
             h->use_weight_chroma = 0;
             return;
@@ -914,7 +914,7 @@ static void implicit_weight_table(H264Context *h, int field)
     h->chroma_log2_weight_denom = 5;
 
     for (ref0 = ref_start; ref0 < ref_count0; ref0++) {
-        int poc0 = h->ref_list[0][ref0].poc;
+        int64_t poc0 = h->ref_list[0][ref0].poc;
         for (ref1 = ref_start; ref1 < ref_count1; ref1++) {
             int w = 32;
             if (!h->ref_list[0][ref0].long_ref && !h->ref_list[1][ref1].long_ref) {
@@ -1194,6 +1194,7 @@ static int h264_slice_header_init(H264Context *h, int reinit)
         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_context_init(h);
@@ -2421,13 +2422,16 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg)
     }
 
     if (h->pps.cabac) {
+        int ret;
         /* realign */
         align_get_bits(&h->gb);
 
         /* init cabac */
-        ff_init_cabac_decoder(&h->cabac,
+        ret = ff_init_cabac_decoder(&h->cabac,
                               h->gb.buffer + get_bits_count(&h->gb) / 8,
                               (get_bits_left(&h->gb) + 7) / 8);
+        if (ret < 0)
+            return ret;
 
         ff_h264_init_cabac_states(h);
 

libavcodec/hevc.c

@@ -716,7 +716,7 @@ 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) {
@@ -2420,8 +2420,8 @@ static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length)
     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) {
@@ -2430,11 +2430,18 @@ static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length)
         return AVERROR(ENOMEM);
     }
 
+    if (s->sh.slice_ctb_addr_rs + s->sh.num_entry_point_offsets * s->sps->ctb_width >= s->sps->ctb_width * s->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->sps->ctb_width, s->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));
@@ -2467,6 +2474,11 @@ static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length)
     }
     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;
 
@@ -2493,6 +2505,7 @@ static int hls_slice_data_wpp(HEVCContext *s, const uint8_t *nal, int length)
 
     for (i = 0; i <= s->sh.num_entry_point_offsets; i++)
         res += ret[i];
+error:
     av_free(ret);
     av_free(arg);
     return res;

libavcodec/hevc.h

@@ -609,7 +609,7 @@ 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;

libavcodec/hevc_cabac.c

@@ -883,11 +883,13 @@ 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);
@@ -1025,8 +1027,10 @@ 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);

libavcodec/imgconvert.c

@@ -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;
 }
 

libavcodec/indeo2.c

@@ -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;
     }
 

libavcodec/indeo2data.h

@@ -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 */

libavcodec/interplayvideo.c

@@ -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)

libavcodec/ituh263enc.c

@@ -43,7 +43,7 @@
 /**
  * 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.
@@ -676,7 +676,7 @@ 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];
@@ -697,7 +697,7 @@ 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;
         }
     }
 

libavcodec/j2kenc.c

@@ -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

libavcodec/jpeg2000dec.c

@@ -1081,6 +1081,10 @@ static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty,
     ff_mqc_initdec(&t1->mqc, cblk->data);
 
     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,
@@ -1241,11 +1245,15 @@ 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) {

libavcodec/jpeg2000dwt.c

@@ -540,6 +540,9 @@ 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;
@@ -555,6 +558,9 @@ 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);

libavcodec/libutvideodec.cpp

@@ -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;
 }

libavcodec/mjpegdec.c

@@ -606,7 +606,8 @@ 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;
     }
@@ -971,7 +972,7 @@ 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) {
@@ -1219,7 +1220,7 @@ 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];
@@ -1236,6 +1237,11 @@ 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];
@@ -1272,8 +1278,8 @@ 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;
@@ -1336,11 +1342,7 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss,
     int mb_x, mb_y;
     int EOBRUN = 0;
     int c = s->comp_index[0];
-    uint8_t *data = s->picture_ptr->data[c];
-    int linesize  = s->linesize[c];
-    int last_scan = 0;
     int16_t *quant_matrix = s->quant_matrixes[s->quant_sindex[0]];
-    int bytes_per_pixel = 1 + (s->bits > 8);
 
     av_assert0(ss>=0 && Ah>=0 && Al>=0);
     if (se < ss || se > 63) {
@@ -1348,20 +1350,13 @@ 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];
-    }
-
-    if (s->interlaced && s->bottom_field)
-        data += linesize >> 1;
+    // 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);
 
     s->restart_count = 0;
 
     for (mb_y = 0; mb_y < s->mb_height; mb_y++) {
-        uint8_t *ptr     = data + (mb_y * linesize * 8 >> s->avctx->lowres);
         int block_idx    = mb_y * s->block_stride[c];
         int16_t (*block)[64] = &s->blocks[c][block_idx];
         uint8_t *last_nnz    = &s->last_nnz[c][block_idx];
@@ -1382,12 +1377,6 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss,
                     return AVERROR_INVALIDDATA;
                 }
 
-            if (last_scan) {
-                    s->idsp.idct_put(ptr, linesize, *block);
-                    if (s->bits & 7)
-                        shift_output(s, ptr, linesize);
-                    ptr += bytes_per_pixel*8 >> s->avctx->lowres;
-            }
             if (handle_rstn(s, 0))
                 EOBRUN = 0;
         }
@@ -1395,6 +1384,41 @@ static int mjpeg_decode_scan_progressive_ac(MJpegDecodeContext *s, int ss,
     return 0;
 }
 
+static void mjpeg_idct_scan_progressive_ac(MJpegDecodeContext *s)
+{
+    int mb_x, mb_y;
+    int c;
+    const int bytes_per_pixel = 1 + (s->bits > 8);
+    const int block_size = s->lossless ? 1 : 8;
+
+    for (c = 0; c < s->nb_components; c++) {
+        uint8_t *data = s->picture_ptr->data[c];
+        int linesize  = s->linesize[c];
+        int h = s->h_max / s->h_count[c];
+        int v = s->v_max / s->v_count[c];
+        int mb_width     = (s->width  + h * block_size - 1) / (h * block_size);
+        int mb_height    = (s->height + v * block_size - 1) / (v * block_size);
+
+        if (~s->coefs_finished[c])
+            av_log(s->avctx, AV_LOG_WARNING, "component %d is incomplete\n", c);
+
+        if (s->interlaced && s->bottom_field)
+            data += linesize >> 1;
+
+        for (mb_y = 0; mb_y < mb_height; mb_y++) {
+            uint8_t *ptr     = data + (mb_y * linesize * 8 >> s->avctx->lowres);
+            int block_idx    = mb_y * s->block_stride[c];
+            int16_t (*block)[64] = &s->blocks[c][block_idx];
+            for (mb_x = 0; mb_x < mb_width; mb_x++, block++) {
+                s->idsp.idct_put(ptr, linesize, *block);
+                if (s->bits & 7)
+                    shift_output(s, ptr, linesize);
+                ptr += bytes_per_pixel*8 >> s->avctx->lowres;
+            }
+        }
+    }
+}
+
 int ff_mjpeg_decode_sos(MJpegDecodeContext *s, const uint8_t *mb_bitmask,
                         int mb_bitmask_size, const AVFrame *reference)
 {
@@ -1933,7 +1957,7 @@ 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");
@@ -2077,6 +2101,8 @@ int ff_mjpeg_decode_frame(AVCodecContext *avctx, void *data, int *got_frame,
             break;
         case EOI:
 eoi_parser:
+            if (avctx->skip_frame != AVDISCARD_ALL && s->progressive && s->cur_scan && s->got_picture)
+                mjpeg_idct_scan_progressive_ac(s);
             s->cur_scan = 0;
             if (!s->got_picture) {
                 av_log(avctx, AV_LOG_WARNING,

libavcodec/mjpegenc_common.c

@@ -117,14 +117,24 @@ 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);
         avpriv_put_string(p, "JFIF", 1); /* this puts the trailing zero-byte too */
         put_bits(p, 16, 0x0102);         /* v 1.02 */
         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 */
     }

libavcodec/motion_est.c

@@ -906,7 +906,7 @@ 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;
@@ -1082,7 +1082,7 @@ 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;
@@ -1131,7 +1131,7 @@ 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);
@@ -1205,8 +1205,8 @@ 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;
@@ -1419,7 +1419,7 @@ 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;
 
@@ -1555,11 +1555,11 @@ void ff_estimate_b_frame_motion(MpegEncContext * s,
     if(s->flags & 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);

libavcodec/mpeg12enc.c

@@ -52,7 +52,7 @@ 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];
@@ -144,9 +144,6 @@ 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;
 
@@ -1051,7 +1048,7 @@ 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) {
@@ -1074,7 +1071,7 @@ 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;
             }
 
 

libavcodec/mpeg4video.h

@@ -137,7 +137,7 @@ 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);

libavcodec/mpeg4videodec.c

@@ -881,7 +881,7 @@ 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;
@@ -1874,6 +1874,10 @@ 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;
@@ -1897,6 +1901,10 @@ 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;

libavcodec/mpeg4videoenc.c

@@ -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)

libavcodec/mpegvideo.c

@@ -1318,6 +1318,7 @@ 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;

libavcodec/mpegvideo.h

@@ -66,6 +66,7 @@ enum OutputFormat {
 
 #define MAX_FCODE 7
 #define MAX_MV 4096
+#define MAX_DMV (2*MAX_MV)
 
 #define MAX_THREADS 32
 #define MAX_PICTURE_COUNT 36
@@ -198,7 +199,7 @@ 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];  ///< amount of bits needed to encode a MV
+    uint8_t (*mv_penalty)[MAX_DMV*2+1];  ///< amount of bits 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,

libavcodec/mpegvideo_enc.c

@@ -70,7 +70,7 @@ 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[] = {
@@ -315,6 +315,7 @@ 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;
@@ -2732,6 +2733,11 @@ 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)
@@ -3713,9 +3719,11 @@ 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;

libavcodec/mss2.c

@@ -209,8 +209,13 @@ 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;

libavcodec/on2avc.c

@@ -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,

libavcodec/opus_silk.c

@@ -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 */

libavcodec/pgssubdec.c

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

libavcodec/pthread_slice.c

@@ -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)

libavcodec/put_bits.h

@@ -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     = (bit_left == 32) ? 0 : 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;
     }

libavcodec/rawdec.c

@@ -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);

libavcodec/resample.c

@@ -290,12 +290,6 @@ 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 };

libavcodec/s302m.c

@@ -79,11 +79,6 @@ static int s302m_parse_frame_header(AVCodecContext *avctx, const uint8_t *buf,
         case 8:
             avctx->channel_layout = AV_CH_LAYOUT_5POINT1_BACK | AV_CH_LAYOUT_STEREO_DOWNMIX;
     }
-    avctx->sample_rate = 48000;
-    avctx->bit_rate    = 48000 * avctx->channels * (avctx->bits_per_raw_sample + 4) +
-                         32 * (48000 / (buf_size * 8 /
-                                        (avctx->channels *
-                                         (avctx->bits_per_raw_sample + 4))));
 
     return frame_size;
 }
@@ -109,6 +104,8 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
     if ((ret = ff_get_buffer(avctx, frame, 0)) < 0)
         return ret;
 
+    avctx->bit_rate = 48000 * avctx->channels * (avctx->bits_per_raw_sample + 4) +
+                      32 * 48000 / frame->nb_samples;
     buf_size = (frame->nb_samples * avctx->channels / 2) * block_size;
 
     if (avctx->bits_per_raw_sample == 24) {
@@ -146,6 +143,8 @@ static int s302m_decode_frame(AVCodecContext *avctx, void *data,
         }
     }
 
+    avctx->sample_rate = 48000;
+
     *got_frame_ptr = 1;
 
     return avpkt->size;

libavcodec/snowenc.c

@@ -286,7 +286,7 @@ 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;

libavcodec/sonic.c

@@ -925,6 +925,13 @@ 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);
 

libavcodec/takdec.c

@@ -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;
@@ -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();

libavcodec/tiff.c

@@ -1000,8 +1000,13 @@ 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)
@@ -1249,7 +1254,7 @@ 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;
     }

libavcodec/ttaenc.c

@@ -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)
+pkt_alloc:
+    cur_chan = 0, res = 0, samples = 0;
+    if ((ret = ff_alloc_packet2(avctx, avpkt, pkt_size)) < 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);

libavcodec/utils.c

@@ -1032,8 +1032,10 @@ 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;
 }
 
@@ -3092,8 +3094,8 @@ 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]",

libavcodec/vorbisdec.c

@@ -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 *

libavcodec/vp3.c

@@ -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
@@ -2014,17 +2014,19 @@ 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;
         }
 
@@ -2249,6 +2251,7 @@ 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);
 
@@ -2319,7 +2322,8 @@ 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)
@@ -2353,6 +2357,7 @@ static int theora_decode_header(AVCodecContext *avctx, GetBitContext *gb)
         avctx->color_trc  = AVCOL_TRC_BT709;
     }
 
+    s->theora_header = 1;
     return 0;
 }
 
@@ -2361,6 +2366,9 @@ 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 */

libavcodec/vp8.c

@@ -164,7 +164,7 @@ int update_dimensions(VP8Context *s, int width, int height, int is_vp7)
     s->mb_height = (s->avctx->coded_height + 15) / 16;
 
     s->mb_layout = is_vp7 || avctx->active_thread_type == FF_THREAD_SLICE &&
-                   FFMIN(s->num_coeff_partitions, avctx->thread_count) > 1;
+                   avctx->thread_count > 1;
     if (!s->mb_layout) { // Frame threading and one thread
         s->macroblocks_base       = av_mallocz((s->mb_width + s->mb_height * 2 + 1) *
                                                sizeof(*s->macroblocks));

libavcodec/vp9.c

@@ -240,7 +240,7 @@ typedef struct VP9Context {
     // whole-frame cache
     uint8_t *intra_pred_data[3];
     struct VP9Filter *lflvl;
-    DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[71*80];
+    DECLARE_ALIGNED(32, uint8_t, edge_emu_buffer)[135*144];
 
     // block reconstruction intermediates
     int block_alloc_using_2pass;
@@ -249,6 +249,8 @@ typedef struct VP9Context {
     struct { int x, y; } min_mv, max_mv;
     DECLARE_ALIGNED(32, uint8_t, tmp_y)[64*64];
     DECLARE_ALIGNED(32, uint8_t, tmp_uv)[2][32*32];
+    uint16_t mvscale[3][2];
+    uint8_t mvstep[3][2];
 } VP9Context;
 
 static const uint8_t bwh_tab[2][N_BS_SIZES][2] = {
@@ -583,6 +585,26 @@ static int decode_frame_header(AVCodecContext *ctx,
                     s->varcompref[1] = 2;
                 }
             }
+
+            for (i = 0; i < 3; i++) {
+                AVFrame *ref = s->refs[s->refidx[i]].f;
+                int refw = ref->width, refh = ref->height;
+
+                if (refw == w && refh == h) {
+                    s->mvscale[i][0] = s->mvscale[i][1] = 0;
+                } else {
+                    if (w * 2 < refw || h * 2 < refh || w > 16 * refw || h > 16 * refh) {
+                        av_log(ctx, AV_LOG_ERROR,
+                               "Invalid ref frame dimensions %dx%d for frame size %dx%d\n",
+                               refw, refh, w, h);
+                        return AVERROR_INVALIDDATA;
+                    }
+                    s->mvscale[i][0] = (refw << 14) / w;
+                    s->mvscale[i][1] = (refh << 14) / h;
+                    s->mvstep[i][0] = 16 * s->mvscale[i][0] >> 14;
+                    s->mvstep[i][1] = 16 * s->mvscale[i][1] >> 14;
+                }
+            }
         }
     }
     s->refreshctx   = s->errorres ? 0 : get_bits1(&s->gb);
@@ -2537,12 +2559,118 @@ static void intra_recon(AVCodecContext *ctx, ptrdiff_t y_off, ptrdiff_t uv_off)
     }
 }
 
-static av_always_inline void mc_luma_dir(VP9Context *s, vp9_mc_func (*mc)[2],
-                                         uint8_t *dst, ptrdiff_t dst_stride,
-                                         const uint8_t *ref, ptrdiff_t ref_stride,
-                                         ThreadFrame *ref_frame,
-                                         ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
-                                         int bw, int bh, int w, int h)
+static av_always_inline void mc_luma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
+                                            uint8_t *dst, ptrdiff_t dst_stride,
+                                            const uint8_t *ref, ptrdiff_t ref_stride,
+                                            ThreadFrame *ref_frame,
+                                            ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                            int bw, int bh, int w, int h,
+                                            const uint16_t *scale, const uint8_t *step)
+{
+#define scale_mv(n, dim) (((int64_t)n * scale[dim]) >> 14)
+    // BUG libvpx seems to scale the two components separately. This introduces
+    // rounding errors but we have to reproduce them to be exactly compatible
+    // with the output from libvpx...
+    int mx = scale_mv(mv->x * 2, 0) + scale_mv(x * 16, 0);
+    int my = scale_mv(mv->y * 2, 1) + scale_mv(y * 16, 1);
+    int refbw_m1, refbh_m1;
+    int th;
+
+    y = my >> 4;
+    x = mx >> 4;
+    ref += y * ref_stride + x;
+    mx &= 15;
+    my &= 15;
+    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
+    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + refbh_m1 + 4 + 7) >> 6;
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 4 >= h - refbh_m1) {
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref - 3 * ref_stride - 3,
+                                 144, ref_stride,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref = s->edge_emu_buffer + 3 * 144 + 3;
+        ref_stride = 144;
+    }
+    smc(dst, dst_stride, ref, ref_stride, bh, mx, my, step[0], step[1]);
+}
+
+static av_always_inline void mc_chroma_scaled(VP9Context *s, vp9_scaled_mc_func smc,
+                                              uint8_t *dst_u, uint8_t *dst_v,
+                                              ptrdiff_t dst_stride,
+                                              const uint8_t *ref_u, ptrdiff_t src_stride_u,
+                                              const uint8_t *ref_v, ptrdiff_t src_stride_v,
+                                              ThreadFrame *ref_frame,
+                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                              int bw, int bh, int w, int h,
+                                              const uint16_t *scale, const uint8_t *step)
+{
+    // BUG https://code.google.com/p/webm/issues/detail?id=820
+    int mx = scale_mv(mv->x, 0) + (scale_mv(x * 16, 0) & ~15) + (scale_mv(x * 32, 0) & 15);
+    int my = scale_mv(mv->y, 1) + (scale_mv(y * 16, 1) & ~15) + (scale_mv(y * 32, 1) & 15);
+#undef scale_mv
+    int refbw_m1, refbh_m1;
+    int th;
+
+    y = my >> 4;
+    x = mx >> 4;
+    ref_u += y * src_stride_u + x;
+    ref_v += y * src_stride_v + x;
+    mx &= 15;
+    my &= 15;
+    refbw_m1 = ((bw - 1) * step[0] + mx) >> 4;
+    refbh_m1 = ((bh - 1) * step[1] + my) >> 4;
+    // FIXME bilinear filter only needs 0/1 pixels, not 3/4
+    // we use +7 because the last 7 pixels of each sbrow can be changed in
+    // the longest loopfilter of the next sbrow
+    th = (y + refbh_m1 + 4 + 7) >> 5;
+    ff_thread_await_progress(ref_frame, FFMAX(th, 0), 0);
+    if (x < 3 || y < 3 || x + 4 >= w - refbw_m1 || y + 4 >= h - refbh_m1) {
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref_u - 3 * src_stride_u - 3,
+                                 144, src_stride_u,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref_u = s->edge_emu_buffer + 3 * 144 + 3;
+        smc(dst_u, dst_stride, ref_u, 144, bh, mx, my, step[0], step[1]);
+
+        s->vdsp.emulated_edge_mc(s->edge_emu_buffer,
+                                 ref_v - 3 * src_stride_v - 3,
+                                 144, src_stride_v,
+                                 refbw_m1 + 8, refbh_m1 + 8,
+                                 x - 3, y - 3, w, h);
+        ref_v = s->edge_emu_buffer + 3 * 144 + 3;
+        smc(dst_v, dst_stride, ref_v, 144, bh, mx, my, step[0], step[1]);
+    } else {
+        smc(dst_u, dst_stride, ref_u, src_stride_u, bh, mx, my, step[0], step[1]);
+        smc(dst_v, dst_stride, ref_v, src_stride_v, bh, mx, my, step[0], step[1]);
+    }
+}
+
+#define FN(x) x##_scaled
+#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, bw, bh, w, h, i) \
+    mc_luma_scaled(s, s->dsp.s##mc, dst, dst_ls, src, src_ls, tref, row, col, \
+                   mv, bw, bh, w, h, s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
+#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                      row, col, mv, bw, bh, w, h, i) \
+    mc_chroma_scaled(s, s->dsp.s##mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                     row, col, mv, bw, bh, w, h, s->mvscale[b->ref[i]], s->mvstep[b->ref[i]])
+#include "vp9_mc_template.c"
+#undef mc_luma_dir
+#undef mc_chroma_dir
+#undef FN
+
+static av_always_inline void mc_luma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
+                                              uint8_t *dst, ptrdiff_t dst_stride,
+                                              const uint8_t *ref, ptrdiff_t ref_stride,
+                                              ThreadFrame *ref_frame,
+                                              ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                              int bw, int bh, int w, int h)
 {
     int mx = mv->x, my = mv->y, th;
 
@@ -2569,14 +2697,14 @@ static av_always_inline void mc_luma_dir(VP9Context *s, vp9_mc_func (*mc)[2],
     mc[!!mx][!!my](dst, dst_stride, ref, ref_stride, bh, mx << 1, my << 1);
 }
 
-static av_always_inline void mc_chroma_dir(VP9Context *s, vp9_mc_func (*mc)[2],
-                                           uint8_t *dst_u, uint8_t *dst_v,
-                                           ptrdiff_t dst_stride,
-                                           const uint8_t *ref_u, ptrdiff_t src_stride_u,
-                                           const uint8_t *ref_v, ptrdiff_t src_stride_v,
-                                           ThreadFrame *ref_frame,
-                                           ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
-                                           int bw, int bh, int w, int h)
+static av_always_inline void mc_chroma_unscaled(VP9Context *s, vp9_mc_func (*mc)[2],
+                                                uint8_t *dst_u, uint8_t *dst_v,
+                                                ptrdiff_t dst_stride,
+                                                const uint8_t *ref_u, ptrdiff_t src_stride_u,
+                                                const uint8_t *ref_v, ptrdiff_t src_stride_v,
+                                                ThreadFrame *ref_frame,
+                                                ptrdiff_t y, ptrdiff_t x, const VP56mv *mv,
+                                                int bw, int bh, int w, int h)
 {
     int mx = mv->x, my = mv->y, th;
 
@@ -2614,156 +2742,32 @@ static av_always_inline void mc_chroma_dir(VP9Context *s, vp9_mc_func (*mc)[2],
     }
 }
 
+#define FN(x) x
+#define mc_luma_dir(s, mc, dst, dst_ls, src, src_ls, tref, row, col, mv, bw, bh, w, h, i) \
+    mc_luma_unscaled(s, s->dsp.mc, dst, dst_ls, src, src_ls, tref, row, col, \
+                     mv, bw, bh, w, h)
+#define mc_chroma_dir(s, mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                      row, col, mv, bw, bh, w, h, i) \
+    mc_chroma_unscaled(s, s->dsp.mc, dstu, dstv, dst_ls, srcu, srcu_ls, srcv, srcv_ls, tref, \
+                       row, col, mv, bw, bh, w, h)
+#include "vp9_mc_template.c"
+#undef mc_luma_dir_dir
+#undef mc_chroma_dir_dir
+#undef FN
+
 static void inter_recon(AVCodecContext *ctx)
 {
-    static const uint8_t bwlog_tab[2][N_BS_SIZES] = {
-        { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
-        { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },
-    };
     VP9Context *s = ctx->priv_data;
     VP9Block *b = s->b;
     int row = s->row, col = s->col;
-    ThreadFrame *tref1 = &s->refs[s->refidx[b->ref[0]]], *tref2;
-    AVFrame *ref1 = tref1->f, *ref2;
-    int w1 = ref1->width, h1 = ref1->height, w2, h2;
-    ptrdiff_t ls_y = s->y_stride, ls_uv = s->uv_stride;
 
-    if (b->comp) {
-        tref2 = &s->refs[s->refidx[b->ref[1]]];
-        ref2 = tref2->f;
-        w2 = ref2->width;
-        h2 = ref2->height;
-    }
-
-    // y inter pred
-    if (b->bs > BS_8x8) {
-        if (b->bs == BS_8x4) {
-            mc_luma_dir(s, s->dsp.mc[3][b->filter][0], s->dst[0], ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        row << 3, col << 3, &b->mv[0][0], 8, 4, w1, h1);
-            mc_luma_dir(s, s->dsp.mc[3][b->filter][0],
-                        s->dst[0] + 4 * ls_y, ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w1, h1);
-
-            if (b->comp) {
-                mc_luma_dir(s, s->dsp.mc[3][b->filter][1], s->dst[0], ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            row << 3, col << 3, &b->mv[0][1], 8, 4, w2, h2);
-                mc_luma_dir(s, s->dsp.mc[3][b->filter][1],
-                            s->dst[0] + 4 * ls_y, ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w2, h2);
-            }
-        } else if (b->bs == BS_4x8) {
-            mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0], ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        row << 3, col << 3, &b->mv[0][0], 4, 8, w1, h1);
-            mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0] + 4, ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w1, h1);
-
-            if (b->comp) {
-                mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0], ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            row << 3, col << 3, &b->mv[0][1], 4, 8, w2, h2);
-                mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0] + 4, ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w2, h2);
-            }
-        } else {
-            av_assert2(b->bs == BS_4x4);
-
-            // FIXME if two horizontally adjacent blocks have the same MV,
-            // do a w8 instead of a w4 call
-            mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0], ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        row << 3, col << 3, &b->mv[0][0], 4, 4, w1, h1);
-            mc_luma_dir(s, s->dsp.mc[4][b->filter][0], s->dst[0] + 4, ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w1, h1);
-            mc_luma_dir(s, s->dsp.mc[4][b->filter][0],
-                        s->dst[0] + 4 * ls_y, ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w1, h1);
-            mc_luma_dir(s, s->dsp.mc[4][b->filter][0],
-                        s->dst[0] + 4 * ls_y + 4, ls_y,
-                        ref1->data[0], ref1->linesize[0], tref1,
-                        (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w1, h1);
-
-            if (b->comp) {
-                mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0], ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            row << 3, col << 3, &b->mv[0][1], 4, 4, w2, h2);
-                mc_luma_dir(s, s->dsp.mc[4][b->filter][1], s->dst[0] + 4, ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w2, h2);
-                mc_luma_dir(s, s->dsp.mc[4][b->filter][1],
-                            s->dst[0] + 4 * ls_y, ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w2, h2);
-                mc_luma_dir(s, s->dsp.mc[4][b->filter][1],
-                            s->dst[0] + 4 * ls_y + 4, ls_y,
-                            ref2->data[0], ref2->linesize[0], tref2,
-                            (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w2, h2);
-            }
-        }
+    if (s->mvscale[b->ref[0]][0] || (b->comp && s->mvscale[b->ref[1]][0])) {
+        inter_pred_scaled(ctx);
     } else {
-        int bwl = bwlog_tab[0][b->bs];
-        int bw = bwh_tab[0][b->bs][0] * 4, bh = bwh_tab[0][b->bs][1] * 4;
-
-        mc_luma_dir(s, s->dsp.mc[bwl][b->filter][0], s->dst[0], ls_y,
-                    ref1->data[0], ref1->linesize[0], tref1,
-                    row << 3, col << 3, &b->mv[0][0],bw, bh, w1, h1);
-
-        if (b->comp)
-            mc_luma_dir(s, s->dsp.mc[bwl][b->filter][1], s->dst[0], ls_y,
-                        ref2->data[0], ref2->linesize[0], tref2,
-                        row << 3, col << 3, &b->mv[0][1], bw, bh, w2, h2);
+        inter_pred(ctx);
     }
-
-    // uv inter pred
-    {
-        int bwl = bwlog_tab[1][b->bs];
-        int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4;
-        VP56mv mvuv;
-
-        w1 = (w1 + 1) >> 1;
-        h1 = (h1 + 1) >> 1;
-        if (b->comp) {
-            w2 = (w2 + 1) >> 1;
-            h2 = (h2 + 1) >> 1;
-        }
-        if (b->bs > BS_8x8) {
-            mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x + b->mv[2][0].x + b->mv[3][0].x, 4);
-            mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y + b->mv[2][0].y + b->mv[3][0].y, 4);
-        } else {
-            mvuv = b->mv[0][0];
-        }
-
-        mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][0],
-                      s->dst[1], s->dst[2], ls_uv,
-                      ref1->data[1], ref1->linesize[1],
-                      ref1->data[2], ref1->linesize[2], tref1,
-                      row << 2, col << 2, &mvuv, bw, bh, w1, h1);
-
-        if (b->comp) {
-            if (b->bs > BS_8x8) {
-                mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x + b->mv[2][1].x + b->mv[3][1].x, 4);
-                mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y + b->mv[2][1].y + b->mv[3][1].y, 4);
-            } else {
-                mvuv = b->mv[0][1];
-            }
-            mc_chroma_dir(s, s->dsp.mc[bwl][b->filter][1],
-                          s->dst[1], s->dst[2], ls_uv,
-                          ref2->data[1], ref2->linesize[1],
-                          ref2->data[2], ref2->linesize[2], tref2,
-                          row << 2, col << 2, &mvuv, bw, bh, w2, h2);
-        }
-    }
-
     if (!b->skip) {
-        /* mostly copied intra_reconn() */
+        /* mostly copied intra_recon() */
 
         int w4 = bwh_tab[1][b->bs][0] << 1, step1d = 1 << b->tx, n;
         int h4 = bwh_tab[1][b->bs][1] << 1, x, y, step = 1 << (b->tx * 2);

libavcodec/vp9_mc_template.c

@@ -0,0 +1,171 @@
+/*
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * 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
+ */
+
+static void FN(inter_pred)(AVCodecContext *ctx)
+{
+    static const uint8_t bwlog_tab[2][N_BS_SIZES] = {
+        { 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4 },
+        { 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4 },
+    };
+    VP9Context *s = ctx->priv_data;
+    VP9Block *b = s->b;
+    int row = s->row, col = s->col;
+    ThreadFrame *tref1 = &s->refs[s->refidx[b->ref[0]]], *tref2;
+    AVFrame *ref1 = tref1->f, *ref2;
+    int w1 = ref1->width, h1 = ref1->height, w2, h2;
+    ptrdiff_t ls_y = s->y_stride, ls_uv = s->uv_stride;
+
+    if (b->comp) {
+        tref2 = &s->refs[s->refidx[b->ref[1]]];
+        ref2 = tref2->f;
+        w2 = ref2->width;
+        h2 = ref2->height;
+    }
+
+    // y inter pred
+    if (b->bs > BS_8x8) {
+        if (b->bs == BS_8x4) {
+            mc_luma_dir(s, mc[3][b->filter][0], s->dst[0], ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        row << 3, col << 3, &b->mv[0][0], 8, 4, w1, h1, 0);
+            mc_luma_dir(s, mc[3][b->filter][0],
+                        s->dst[0] + 4 * ls_y, ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        (row << 3) + 4, col << 3, &b->mv[2][0], 8, 4, w1, h1, 0);
+
+            if (b->comp) {
+                mc_luma_dir(s, mc[3][b->filter][1], s->dst[0], ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            row << 3, col << 3, &b->mv[0][1], 8, 4, w2, h2, 1);
+                mc_luma_dir(s, mc[3][b->filter][1],
+                            s->dst[0] + 4 * ls_y, ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            (row << 3) + 4, col << 3, &b->mv[2][1], 8, 4, w2, h2, 1);
+            }
+        } else if (b->bs == BS_4x8) {
+            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0], ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        row << 3, col << 3, &b->mv[0][0], 4, 8, w1, h1, 0);
+            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0] + 4, ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        row << 3, (col << 3) + 4, &b->mv[1][0], 4, 8, w1, h1, 0);
+
+            if (b->comp) {
+                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0], ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            row << 3, col << 3, &b->mv[0][1], 4, 8, w2, h2, 1);
+                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0] + 4, ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            row << 3, (col << 3) + 4, &b->mv[1][1], 4, 8, w2, h2, 1);
+            }
+        } else {
+            av_assert2(b->bs == BS_4x4);
+
+            // FIXME if two horizontally adjacent blocks have the same MV,
+            // do a w8 instead of a w4 call
+            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0], ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        row << 3, col << 3, &b->mv[0][0], 4, 4, w1, h1, 0);
+            mc_luma_dir(s, mc[4][b->filter][0], s->dst[0] + 4, ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        row << 3, (col << 3) + 4, &b->mv[1][0], 4, 4, w1, h1, 0);
+            mc_luma_dir(s, mc[4][b->filter][0],
+                        s->dst[0] + 4 * ls_y, ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        (row << 3) + 4, col << 3, &b->mv[2][0], 4, 4, w1, h1, 0);
+            mc_luma_dir(s, mc[4][b->filter][0],
+                        s->dst[0] + 4 * ls_y + 4, ls_y,
+                        ref1->data[0], ref1->linesize[0], tref1,
+                        (row << 3) + 4, (col << 3) + 4, &b->mv[3][0], 4, 4, w1, h1, 0);
+
+            if (b->comp) {
+                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0], ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            row << 3, col << 3, &b->mv[0][1], 4, 4, w2, h2, 1);
+                mc_luma_dir(s, mc[4][b->filter][1], s->dst[0] + 4, ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            row << 3, (col << 3) + 4, &b->mv[1][1], 4, 4, w2, h2, 1);
+                mc_luma_dir(s, mc[4][b->filter][1],
+                            s->dst[0] + 4 * ls_y, ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            (row << 3) + 4, col << 3, &b->mv[2][1], 4, 4, w2, h2, 1);
+                mc_luma_dir(s, mc[4][b->filter][1],
+                            s->dst[0] + 4 * ls_y + 4, ls_y,
+                            ref2->data[0], ref2->linesize[0], tref2,
+                            (row << 3) + 4, (col << 3) + 4, &b->mv[3][1], 4, 4, w2, h2, 1);
+            }
+        }
+    } else {
+        int bwl = bwlog_tab[0][b->bs];
+        int bw = bwh_tab[0][b->bs][0] * 4, bh = bwh_tab[0][b->bs][1] * 4;
+
+        mc_luma_dir(s, mc[bwl][b->filter][0], s->dst[0], ls_y,
+                    ref1->data[0], ref1->linesize[0], tref1,
+                    row << 3, col << 3, &b->mv[0][0],bw, bh, w1, h1, 0);
+
+        if (b->comp)
+            mc_luma_dir(s, mc[bwl][b->filter][1], s->dst[0], ls_y,
+                        ref2->data[0], ref2->linesize[0], tref2,
+                        row << 3, col << 3, &b->mv[0][1], bw, bh, w2, h2, 1);
+    }
+
+    // uv inter pred
+    {
+        int bwl = bwlog_tab[1][b->bs];
+        int bw = bwh_tab[1][b->bs][0] * 4, bh = bwh_tab[1][b->bs][1] * 4;
+        VP56mv mvuv;
+
+        w1 = (w1 + 1) >> 1;
+        h1 = (h1 + 1) >> 1;
+        if (b->comp) {
+            w2 = (w2 + 1) >> 1;
+            h2 = (h2 + 1) >> 1;
+        }
+        if (b->bs > BS_8x8) {
+            mvuv.x = ROUNDED_DIV(b->mv[0][0].x + b->mv[1][0].x + b->mv[2][0].x + b->mv[3][0].x, 4);
+            mvuv.y = ROUNDED_DIV(b->mv[0][0].y + b->mv[1][0].y + b->mv[2][0].y + b->mv[3][0].y, 4);
+        } else {
+            mvuv = b->mv[0][0];
+        }
+
+        mc_chroma_dir(s, mc[bwl][b->filter][0],
+                      s->dst[1], s->dst[2], ls_uv,
+                      ref1->data[1], ref1->linesize[1],
+                      ref1->data[2], ref1->linesize[2], tref1,
+                      row << 2, col << 2, &mvuv, bw, bh, w1, h1, 0);
+
+        if (b->comp) {
+            if (b->bs > BS_8x8) {
+                mvuv.x = ROUNDED_DIV(b->mv[0][1].x + b->mv[1][1].x + b->mv[2][1].x + b->mv[3][1].x, 4);
+                mvuv.y = ROUNDED_DIV(b->mv[0][1].y + b->mv[1][1].y + b->mv[2][1].y + b->mv[3][1].y, 4);
+            } else {
+                mvuv = b->mv[0][1];
+            }
+            mc_chroma_dir(s, mc[bwl][b->filter][1],
+                          s->dst[1], s->dst[2], ls_uv,
+                          ref2->data[1], ref2->linesize[1],
+                          ref2->data[2], ref2->linesize[2], tref2,
+                          row << 2, col << 2, &mvuv, bw, bh, w2, h2, 1);
+        }
+    }
+}

libavcodec/vp9_parser.c

@@ -1,5 +1,8 @@
 /*
- * Copyright (C) 2008 Michael Niedermayer
+ * VP9 compatible video decoder
+ *
+ * Copyright (C) 2013 Ronald S. Bultje <rsbultje gmail com>
+ * Copyright (C) 2013 Clément Bœsch <u pkh me>
  *
  * This file is part of FFmpeg.
  *

libavcodec/vp9dsp.c

@@ -1707,8 +1707,9 @@ copy_avg_fn(4)
 #undef fpel_fn
 #undef copy_avg_fn
 
-static const int8_t vp9_subpel_filters[3][15][8] = {
+static const int16_t vp9_subpel_filters[3][16][8] = {
     [FILTER_8TAP_REGULAR] = {
+        {  0,  0,   0, 128,   0,   0,  0,  0 },
         {  0,  1,  -5, 126,   8,  -3,  1,  0 },
         { -1,  3, -10, 122,  18,  -6,  2,  0 },
         { -1,  4, -13, 118,  27,  -9,  3, -1 },
@@ -1725,6 +1726,7 @@ static const int8_t vp9_subpel_filters[3][15][8] = {
         {  0,  2,  -6,  18, 122, -10,  3, -1 },
         {  0,  1,  -3,   8, 126,  -5,  1,  0 },
     }, [FILTER_8TAP_SHARP] = {
+        {  0,  0,   0, 128,   0,   0,  0,  0 },
         { -1,  3,  -7, 127,   8,  -3,  1,  0 },
         { -2,  5, -13, 125,  17,  -6,  3, -1 },
         { -3,  7, -17, 121,  27, -10,  5, -2 },
@@ -1741,6 +1743,7 @@ static const int8_t vp9_subpel_filters[3][15][8] = {
         { -1,  3,  -6,  17, 125, -13,  5, -2 },
         {  0,  1,  -3,   8, 127,  -7,  3, -1 },
     }, [FILTER_8TAP_SMOOTH] = {
+        {  0,  0,   0, 128,   0,   0,  0,  0 },
         { -3, -1,  32,  64,  38,   1, -3,  0 },
         { -2, -2,  29,  63,  41,   2, -3,  0 },
         { -2, -2,  26,  63,  43,   4, -4,  0 },
@@ -1772,7 +1775,7 @@ static const int8_t vp9_subpel_filters[3][15][8] = {
 static av_always_inline void do_8tap_1d_c(uint8_t *dst, ptrdiff_t dst_stride,
                                           const uint8_t *src, ptrdiff_t src_stride,
                                           int w, int h, ptrdiff_t ds,
-                                          const int8_t *filter, int avg)
+                                          const int16_t *filter, int avg)
 {
     do {
         int x;
@@ -1792,7 +1795,7 @@ static av_always_inline void do_8tap_1d_c(uint8_t *dst, ptrdiff_t dst_stride,
 #define filter_8tap_1d_fn(opn, opa, dir, ds) \
 static av_noinline void opn##_8tap_1d_##dir##_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                                 const uint8_t *src, ptrdiff_t src_stride, \
-                                                int w, int h, const int8_t *filter) \
+                                                int w, int h, const int16_t *filter) \
 { \
     do_8tap_1d_c(dst, dst_stride, src, src_stride, w, h, ds, filter, opa); \
 }
@@ -1806,8 +1809,8 @@ filter_8tap_1d_fn(avg, 1, h, 1)
 
 static av_always_inline void do_8tap_2d_c(uint8_t *dst, ptrdiff_t dst_stride,
                                           const uint8_t *src, ptrdiff_t src_stride,
-                                          int w, int h, const int8_t *filterx,
-                                          const int8_t *filtery, int avg)
+                                          int w, int h, const int16_t *filterx,
+                                          const int16_t *filtery, int avg)
 {
     int tmp_h = h + 7;
     uint8_t tmp[64 * 71], *tmp_ptr = tmp;
@@ -1842,8 +1845,8 @@ static av_always_inline void do_8tap_2d_c(uint8_t *dst, ptrdiff_t dst_stride,
 #define filter_8tap_2d_fn(opn, opa) \
 static av_noinline void opn##_8tap_2d_hv_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                            const uint8_t *src, ptrdiff_t src_stride, \
-                                           int w, int h, const int8_t *filterx, \
-                                           const int8_t *filtery) \
+                                           int w, int h, const int16_t *filterx, \
+                                           const int16_t *filtery) \
 { \
     do_8tap_2d_c(dst, dst_stride, src, src_stride, w, h, filterx, filtery, opa); \
 }
@@ -1853,15 +1856,13 @@ filter_8tap_2d_fn(avg, 1)
 
 #undef filter_8tap_2d_fn
 
-#undef FILTER_8TAP
-
 #define filter_fn_1d(sz, dir, dir_m, type, type_idx, avg) \
 static void avg##_8tap_##type##_##sz##dir##_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                               const uint8_t *src, ptrdiff_t src_stride, \
                                               int h, int mx, int my) \
 { \
     avg##_8tap_1d_##dir##_c(dst, dst_stride, src, src_stride, sz, h, \
-                            vp9_subpel_filters[type_idx][dir_m - 1]); \
+                            vp9_subpel_filters[type_idx][dir_m]); \
 }
 
 #define filter_fn_2d(sz, type, type_idx, avg) \
@@ -1870,8 +1871,8 @@ static void avg##_8tap_##type##_##sz##hv_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                            int h, int mx, int my) \
 { \
     avg##_8tap_2d_hv_c(dst, dst_stride, src, src_stride, sz, h, \
-                       vp9_subpel_filters[type_idx][mx - 1], \
-                       vp9_subpel_filters[type_idx][my - 1]); \
+                       vp9_subpel_filters[type_idx][mx], \
+                       vp9_subpel_filters[type_idx][my]); \
 }
 
 #define FILTER_BILIN(src, x, mxy, stride) \
@@ -1957,8 +1958,6 @@ bilin_2d_fn(avg, 1)
 
 #undef bilin_2d_fn
 
-#undef FILTER_BILIN
-
 #define bilinf_fn_1d(sz, dir, dir_m, avg) \
 static void avg##_bilin_##sz##dir##_c(uint8_t *dst, ptrdiff_t dst_stride, \
                                       const uint8_t *src, ptrdiff_t src_stride, \
@@ -2053,12 +2052,190 @@ static av_cold void vp9dsp_mc_init(VP9DSPContext *dsp)
 #undef init_subpel3
 }
 
+static av_always_inline void do_scaled_8tap_c(uint8_t *dst, ptrdiff_t dst_stride,
+                                              const uint8_t *src, ptrdiff_t src_stride,
+                                              int w, int h, int mx, int my,
+                                              int dx, int dy, int avg,
+                                              const int16_t (*filters)[8])
+{
+    int tmp_h = (((h - 1) * dy + my) >> 4) + 8;
+    uint8_t tmp[64 * 135], *tmp_ptr = tmp;
+
+    src -= src_stride * 3;
+    do {
+        int x;
+        int imx = mx, ioff = 0;
+
+        for (x = 0; x < w; x++) {
+            tmp_ptr[x] = FILTER_8TAP(src, ioff, filters[imx], 1);
+            imx += dx;
+            ioff += imx >> 4;
+            imx &= 0xf;
+        }
+
+        tmp_ptr += 64;
+        src += src_stride;
+    } while (--tmp_h);
+
+    tmp_ptr = tmp + 64 * 3;
+    do {
+        int x;
+        const int16_t *filter = filters[my];
+
+        for (x = 0; x < w; x++)
+            if (avg) {
+                dst[x] = (dst[x] + FILTER_8TAP(tmp_ptr, x, filter, 64) + 1) >> 1;
+            } else {
+                dst[x] = FILTER_8TAP(tmp_ptr, x, filter, 64);
+            }
+
+        my += dy;
+        tmp_ptr += (my >> 4) * 64;
+        my &= 0xf;
+        dst += dst_stride;
+    } while (--h);
+}
+
+#define scaled_filter_8tap_fn(opn, opa) \
+static av_noinline void opn##_scaled_8tap_c(uint8_t *dst, ptrdiff_t dst_stride, \
+                                            const uint8_t *src, ptrdiff_t src_stride, \
+                                            int w, int h, int mx, int my, int dx, int dy, \
+                                            const int16_t (*filters)[8]) \
+{ \
+    do_scaled_8tap_c(dst, dst_stride, src, src_stride, w, h, mx, my, dx, dy, \
+                     opa, filters); \
+}
+
+scaled_filter_8tap_fn(put, 0)
+scaled_filter_8tap_fn(avg, 1)
+
+#undef scaled_filter_8tap_fn
+
+#undef FILTER_8TAP
+
+#define scaled_filter_fn(sz, type, type_idx, avg) \
+static void avg##_scaled_##type##_##sz##_c(uint8_t *dst, ptrdiff_t dst_stride, \
+                                           const uint8_t *src, ptrdiff_t src_stride, \
+                                           int h, int mx, int my, int dx, int dy) \
+{ \
+    avg##_scaled_8tap_c(dst, dst_stride, src, src_stride, sz, h, mx, my, dx, dy, \
+                        vp9_subpel_filters[type_idx]); \
+}
+
+static av_always_inline void do_scaled_bilin_c(uint8_t *dst, ptrdiff_t dst_stride,
+                                               const uint8_t *src, ptrdiff_t src_stride,
+                                               int w, int h, int mx, int my,
+                                               int dx, int dy, int avg)
+{
+    uint8_t tmp[64 * 129], *tmp_ptr = tmp;
+    int tmp_h = (((h - 1) * dy + my) >> 4) + 2;
+
+    do {
+        int x;
+        int imx = mx, ioff = 0;
+
+        for (x = 0; x < w; x++) {
+            tmp_ptr[x] = FILTER_BILIN(src, ioff, imx, 1);
+            imx += dx;
+            ioff += imx >> 4;
+            imx &= 0xf;
+        }
+
+        tmp_ptr += 64;
+        src += src_stride;
+    } while (--tmp_h);
+
+    tmp_ptr = tmp;
+    do {
+        int x;
+
+        for (x = 0; x < w; x++)
+            if (avg) {
+                dst[x] = (dst[x] + FILTER_BILIN(tmp_ptr, x, my, 64) + 1) >> 1;
+            } else {
+                dst[x] = FILTER_BILIN(tmp_ptr, x, my, 64);
+            }
+
+        my += dy;
+        tmp_ptr += (my >> 4) * 64;
+        my &= 0xf;
+        dst += dst_stride;
+    } while (--h);
+}
+
+#define scaled_bilin_fn(opn, opa) \
+static av_noinline void opn##_scaled_bilin_c(uint8_t *dst, ptrdiff_t dst_stride, \
+                                             const uint8_t *src, ptrdiff_t src_stride, \
+                                             int w, int h, int mx, int my, int dx, int dy) \
+{ \
+    do_scaled_bilin_c(dst, dst_stride, src, src_stride, w, h, mx, my, dx, dy, opa); \
+}
+
+scaled_bilin_fn(put, 0)
+scaled_bilin_fn(avg, 1)
+
+#undef scaled_bilin_fn
+
+#undef FILTER_BILIN
+
+#define scaled_bilinf_fn(sz, avg) \
+static void avg##_scaled_bilin_##sz##_c(uint8_t *dst, ptrdiff_t dst_stride, \
+                                        const uint8_t *src, ptrdiff_t src_stride, \
+                                        int h, int mx, int my, int dx, int dy) \
+{ \
+    avg##_scaled_bilin_c(dst, dst_stride, src, src_stride, sz, h, mx, my, dx, dy); \
+}
+
+#define scaled_filter_fns(sz, avg) \
+scaled_filter_fn(sz,        regular, FILTER_8TAP_REGULAR, avg) \
+scaled_filter_fn(sz,        smooth,  FILTER_8TAP_SMOOTH,  avg) \
+scaled_filter_fn(sz,        sharp,   FILTER_8TAP_SHARP,   avg) \
+scaled_bilinf_fn(sz,                                      avg)
+
+#define scaled_filter_fn_set(avg) \
+scaled_filter_fns(64, avg) \
+scaled_filter_fns(32, avg) \
+scaled_filter_fns(16, avg) \
+scaled_filter_fns(8,  avg) \
+scaled_filter_fns(4,  avg)
+
+scaled_filter_fn_set(put)
+scaled_filter_fn_set(avg)
+
+#undef scaled_filter_fns
+#undef scaled_filter_fn_set
+#undef scaled_filter_fn
+#undef scaled_bilinf_fn
+
+static av_cold void vp9dsp_scaled_mc_init(VP9DSPContext *dsp)
+{
+#define init_scaled(idx1, idx2, sz, type) \
+    dsp->smc[idx1][FILTER_8TAP_SMOOTH ][idx2] = type##_scaled_smooth_##sz##_c; \
+    dsp->smc[idx1][FILTER_8TAP_REGULAR][idx2] = type##_scaled_regular_##sz##_c; \
+    dsp->smc[idx1][FILTER_8TAP_SHARP  ][idx2] = type##_scaled_sharp_##sz##_c; \
+    dsp->smc[idx1][FILTER_BILINEAR    ][idx2] = type##_scaled_bilin_##sz##_c
+
+#define init_scaled_put_avg(idx, sz) \
+    init_scaled(idx, 0, sz, put); \
+    init_scaled(idx, 1, sz, avg)
+
+    init_scaled_put_avg(0, 64);
+    init_scaled_put_avg(1, 32);
+    init_scaled_put_avg(2, 16);
+    init_scaled_put_avg(3,  8);
+    init_scaled_put_avg(4,  4);
+
+#undef init_scaled_put_avg
+#undef init_scaled
+}
+
 av_cold void ff_vp9dsp_init(VP9DSPContext *dsp)
 {
     vp9dsp_intrapred_init(dsp);
     vp9dsp_itxfm_init(dsp);
     vp9dsp_loopfilter_init(dsp);
     vp9dsp_mc_init(dsp);
+    vp9dsp_scaled_mc_init(dsp);
 
     if (ARCH_X86) ff_vp9dsp_init_x86(dsp);
 }

libavcodec/vp9dsp.h

@@ -32,6 +32,9 @@
 typedef void (*vp9_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
                             const uint8_t *ref, ptrdiff_t ref_stride,
                             int h, int mx, int my);
+typedef void (*vp9_scaled_mc_func)(uint8_t *dst, ptrdiff_t dst_stride,
+                                   const uint8_t *ref, ptrdiff_t ref_stride,
+                                   int h, int mx, int my, int dx, int dy);
 
 typedef struct VP9DSPContext {
     /*
@@ -109,6 +112,12 @@ typedef struct VP9DSPContext {
      * dst/stride are aligned by hsize
      */
     vp9_mc_func mc[5][4][2][2][2];
+
+    /*
+     * for scalable MC, first 3 dimensions identical to above, the other two
+     * don't exist since it changes per stepsize.
+     */
+    vp9_scaled_mc_func smc[5][4][2];
 } VP9DSPContext;
 
 void ff_vp9dsp_init(VP9DSPContext *dsp);

libavcodec/wavpackenc.c

@@ -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))
@@ -2882,7 +2887,7 @@ 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)
         return ret;
     buf = avpkt->data;

libavcodec/wmaenc.c

@@ -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++)

libavcodec/wmaprodec.c

@@ -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++)
             av_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);
     }

libavcodec/xwddec.c

@@ -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;
     }

libavfilter/src_movie.c

@@ -240,7 +240,7 @@ 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);

libavfilter/vf_drawtext.c

@@ -1174,7 +1174,9 @@ 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);

libavfilter/vf_mpdecimate.c

@@ -120,10 +120,13 @@ static int decimate_frame(AVFilterContext *ctx,
                         cur->data[plane], cur->linesize[plane],
                         ref->data[plane], ref->linesize[plane],
                         FF_CEIL_RSHIFT(ref->width,  hsub),
-                        FF_CEIL_RSHIFT(ref->height, vsub)))
+                        FF_CEIL_RSHIFT(ref->height, vsub))) {
+            emms_c();
             return 0;
+        }
     }
 
+    emms_c();
     return 1;
 }
 

libavfilter/vf_scale.c

@@ -523,6 +523,8 @@ static int filter_frame(AVFilterLink *link, AVFrame *in)
             sws_setColorspaceDetails(scale->isws[1], inv_table, in_full,
                                      table, out_full,
                                      brightness, contrast, saturation);
+
+        av_frame_set_color_range(out, out_full ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG);
     }
 
     av_reduce(&out->sample_aspect_ratio.num, &out->sample_aspect_ratio.den,

libavformat/act.c

@@ -75,7 +75,7 @@ static int read_header(AVFormatContext *s)
 
     avio_skip(pb, 16);
     size=avio_rl32(pb);
-    ff_get_wav_header(pb, st->codec, size, 0);
+    ff_get_wav_header(s, pb, st->codec, size, 0);
 
     /*
       8000Hz (Fine-rec) file format has 10 bytes long

libavformat/asfdec.c

@@ -429,7 +429,7 @@ static int asf_read_stream_properties(AVFormatContext *s, int64_t size)
 
     st->codec->codec_type = type;
     if (type == AVMEDIA_TYPE_AUDIO) {
-        int ret = ff_get_wav_header(pb, st->codec, type_specific_size, 0);
+        int ret = ff_get_wav_header(s, pb, st->codec, type_specific_size, 0);
         if (ret < 0)
             return ret;
         if (is_dvr_ms_audio) {

libavformat/asfenc.c

@@ -925,6 +925,11 @@ static int asf_write_packet(AVFormatContext *s, AVPacket *pkt)
 
     pts = (pkt->pts != AV_NOPTS_VALUE) ? pkt->pts : pkt->dts;
     av_assert0(pts != AV_NOPTS_VALUE);
+    if (   pts < - PREROLL_TIME
+        || pts > (INT_MAX-3)/10000LL * ASF_INDEXED_INTERVAL - PREROLL_TIME) {
+        av_log(s, AV_LOG_ERROR, "input pts %"PRId64" is invalid\n", pts);
+        return AVERROR(EINVAL);
+    }
     pts *= 10000;
     asf->duration = FFMAX(asf->duration, pts + pkt->duration * 10000);
 

libavformat/avformat.h

@@ -78,6 +78,18 @@
  * if its AVClass is non-NULL, and the protocols layer. See the discussion on
  * nesting in @ref avoptions documentation to learn how to access those.
  *
+ * @section urls
+ * URL strings in libavformat are made of a scheme/protocol, a ':', and a
+ * scheme specific string. URLs without a scheme and ':' used for local files
+ * are supported but deprecated. "file:" should be used for local files.
+ *
+ * It is important that the scheme string is not taken from untrusted
+ * sources without checks.
+ *
+ * Note that some schemes/protocols are quite powerful, allowing access to
+ * both local and remote files, parts of them, concatenations of them, local
+ * audio and video devices and so on.
+ *
  * @defgroup lavf_decoding Demuxing
  * @{
  * Demuxers read a media file and split it into chunks of data (@em packets). A
@@ -88,10 +100,10 @@
  * cleanup.
  *
  * @section lavf_decoding_open Opening a media file
- * The minimum information required to open a file is its URL or filename, which
+ * The minimum information required to open a file is its URL, which
  * is passed to avformat_open_input(), as in the following code:
  * @code
- * const char    *url = "in.mp3";
+ * const char    *url = "file:in.mp3";
  * AVFormatContext *s = NULL;
  * int ret = avformat_open_input(&s, url, NULL, NULL);
  * if (ret < 0)
@@ -921,7 +933,7 @@ typedef struct AVStream {
     /**
      * Stream information used internally by av_find_stream_info()
      */
-#define MAX_STD_TIMEBASES (30*12+7+6)
+#define MAX_STD_TIMEBASES (30*12+30+3+6)
     struct {
         int64_t last_dts;
         int64_t duration_gcd;
@@ -1955,7 +1967,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score
  *
  * @param pb the bytestream to probe
  * @param fmt the input format is put here
- * @param filename the filename of the stream
+ * @param url the url of the stream
  * @param logctx the log context
  * @param offset the offset within the bytestream to probe from
  * @param max_probe_size the maximum probe buffer size (zero for default)
@@ -1964,14 +1976,14 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score
  * AVERROR code otherwise
  */
 int av_probe_input_buffer2(AVIOContext *pb, AVInputFormat **fmt,
-                           const char *filename, void *logctx,
+                           const char *url, void *logctx,
                            unsigned int offset, unsigned int max_probe_size);
 
 /**
  * Like av_probe_input_buffer2() but returns 0 on success
  */
 int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
-                          const char *filename, void *logctx,
+                          const char *url, void *logctx,
                           unsigned int offset, unsigned int max_probe_size);
 
 /**
@@ -1982,7 +1994,7 @@ int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
  *           May be a pointer to NULL, in which case an AVFormatContext is allocated by this
  *           function and written into ps.
  *           Note that a user-supplied AVFormatContext will be freed on failure.
- * @param filename Name of the stream to open.
+ * @param url URL of the stream to open.
  * @param fmt If non-NULL, this parameter forces a specific input format.
  *            Otherwise the format is autodetected.
  * @param options  A dictionary filled with AVFormatContext and demuxer-private options.
@@ -1993,7 +2005,7 @@ int av_probe_input_buffer(AVIOContext *pb, AVInputFormat **fmt,
  *
  * @note If you want to use custom IO, preallocate the format context and set its pb field.
  */
-int avformat_open_input(AVFormatContext **ps, const char *filename, AVInputFormat *fmt, AVDictionary **options);
+int avformat_open_input(AVFormatContext **ps, const char *url, AVInputFormat *fmt, AVDictionary **options);
 
 attribute_deprecated
 int av_demuxer_open(AVFormatContext *ic);

libavformat/avidec.c

@@ -829,7 +829,7 @@ static int avi_read_header(AVFormatContext *s)
 //                    avio_skip(pb, size - 5 * 4);
                     break;
                 case AVMEDIA_TYPE_AUDIO:
-                    ret = ff_get_wav_header(pb, st->codec, size, 0);
+                    ret = ff_get_wav_header(s, pb, st->codec, size, 0);
                     if (ret < 0)
                         return ret;
                     ast->dshow_block_align = st->codec->block_align;

libavformat/avio.c

@@ -155,9 +155,16 @@ static int url_alloc_for_protocol(URLContext **puc, struct URLProtocol *up,
                 char sep= *++p;
                 char *key, *val;
                 p++;
+
+                if (strcmp(up->name, "subfile"))
+                    ret = AVERROR(EINVAL);
+
                 while(ret >= 0 && (key= strchr(p, sep)) && p<key && (val = strchr(key+1, sep))){
                     *val= *key= 0;
-                    ret= av_opt_set(uc->priv_data, p, key+1, 0);
+                    if (strcmp(p, "start") && strcmp(p, "end")) {
+                        ret = AVERROR_OPTION_NOT_FOUND;
+                    } else
+                        ret= av_opt_set(uc->priv_data, p, key+1, 0);
                     if (ret == AVERROR_OPTION_NOT_FOUND)
                         av_log(uc, AV_LOG_ERROR, "Key '%s' not found.\n", p);
                     *val= *key= sep;
@@ -222,7 +229,7 @@ static struct URLProtocol *url_find_protocol(const char *filename)
     size_t proto_len = strspn(filename, URL_SCHEME_CHARS);
 
     if (filename[proto_len] != ':' &&
-        (filename[proto_len] != ',' || !strchr(filename + proto_len + 1, ':')) ||
+        (strncmp(filename, "subfile,", 8) || !strchr(filename + proto_len + 1, ':')) ||
         is_dos_path(filename))
         strcpy(proto_str, "file");
     else

libavformat/aviobuf.c

@@ -359,6 +359,8 @@ static inline int put_str16(AVIOContext *s, const char *str, const int be)
 invalid:
         av_log(s, AV_LOG_ERROR, "Invaid UTF8 sequence in avio_put_str16%s\n", be ? "be" : "le");
         err = AVERROR(EINVAL);
+        if (!*(q-1))
+            break;
     }
     if (be)
         avio_wb16(s, 0);

libavformat/brstm.c

@@ -260,6 +260,16 @@ static int read_packet(AVFormatContext *s, AVPacket *pkt)
     if (codec->codec_id == AV_CODEC_ID_ADPCM_THP) {
         uint8_t *dst;
 
+        if (!b->adpc) {
+            av_log(s, AV_LOG_ERROR, "adpcm_thp requires ADPC chunk, but none was found.\n");
+            return AVERROR_INVALIDDATA;
+        }
+        if (!b->table) {
+            b->table = av_mallocz(32 * codec->channels);
+            if (!b->table)
+                return AVERROR(ENOMEM);
+        }
+
         if (av_new_packet(pkt, 8 + (32 + 4) * codec->channels + size) < 0)
             return AVERROR(ENOMEM);
         dst = pkt->data;

libavformat/cache.c

@@ -282,6 +282,12 @@ resolve_eof:
     return ret;
 }
 
+static int enu_free(void *opaque, void *elem)
+{
+    av_free(elem);
+    return 0;
+}
+
 static int cache_close(URLContext *h)
 {
     Context *c= h->priv_data;
@@ -291,6 +297,7 @@ static int cache_close(URLContext *h)
 
     close(c->fd);
     ffurl_close(c->inner);
+    av_tree_enumerate(c->root, NULL, NULL, enu_free);
     av_tree_destroy(c->root);
 
     return 0;

libavformat/concat.c

@@ -65,7 +65,10 @@ static av_cold int concat_open(URLContext *h, const char *uri, int flags)
     struct concat_data  *data = h->priv_data;
     struct concat_nodes *nodes;
 
-    av_strstart(uri, "concat:", &uri);
+    if (!av_strstart(uri, "concat:", &uri)) {
+        av_log(h, AV_LOG_ERROR, "URL %s lacks prefix\n", uri);
+        return AVERROR(EINVAL);
+    }
 
     for (i = 0, len = 1; uri[i]; i++) {
         if (uri[i] == *AV_CAT_SEPARATOR) {

libavformat/concatdec.c

@@ -625,7 +625,7 @@ static int concat_seek(AVFormatContext *avf, int stream,
 
 static const AVOption options[] = {
     { "safe", "enable safe mode",
-      OFFSET(safe), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1, DEC },
+      OFFSET(safe), AV_OPT_TYPE_INT, {.i64 = 1}, -1, 1, DEC },
     { "auto_convert", "automatically convert bitstream format",
       OFFSET(auto_convert), AV_OPT_TYPE_INT, {.i64 = 0}, 0, 1, DEC },
     { NULL }

libavformat/dump.c

@@ -444,7 +444,7 @@ void av_dump_format(AVFormatContext *ic, int index,
         av_log(NULL, AV_LOG_INFO, "  Duration: ");
         if (ic->duration != AV_NOPTS_VALUE) {
             int hours, mins, secs, us;
-            int64_t duration = ic->duration + 5000;
+            int64_t duration = ic->duration + (ic->duration <= INT64_MAX - 5000 ? 5000 : 0);
             secs  = duration / AV_TIME_BASE;
             us    = duration % AV_TIME_BASE;
             mins  = secs / 60;

libavformat/dxa.c

@@ -106,7 +106,7 @@ static int dxa_read_header(AVFormatContext *s)
         ast = avformat_new_stream(s, NULL);
         if (!ast)
             return AVERROR(ENOMEM);
-        ret = ff_get_wav_header(pb, ast->codec, fsize, 0);
+        ret = ff_get_wav_header(s, pb, ast->codec, fsize, 0);
         if (ret < 0)
             return ret;
         if (ast->codec->sample_rate > 0)

libavformat/ffmdec.c

@@ -26,6 +26,7 @@
 #include "libavutil/opt.h"
 #include "libavutil/avassert.h"
 #include "libavutil/avstring.h"
+#include "libavutil/pixdesc.h"
 #include "avformat.h"
 #include "internal.h"
 #include "ffm.h"
@@ -113,9 +114,10 @@ static int ffm_read_data(AVFormatContext *s,
             ffm->dts = avio_rb64(pb);
             frame_offset = avio_rb16(pb);
             avio_read(pb, ffm->packet, ffm->packet_size - FFM_HEADER_SIZE);
-            ffm->packet_end = ffm->packet + (ffm->packet_size - FFM_HEADER_SIZE - fill_size);
-            if (ffm->packet_end < ffm->packet || frame_offset < 0)
+            if (ffm->packet_size < FFM_HEADER_SIZE + fill_size || frame_offset < 0) {
                 return -1;
+            }
+            ffm->packet_end = ffm->packet + (ffm->packet_size - FFM_HEADER_SIZE - fill_size);
             /* if first packet or resynchronization packet, we must
                handle it specifically */
             if (ffm->first_packet || (frame_offset & 0x8000)) {
@@ -131,8 +133,10 @@ static int ffm_read_data(AVFormatContext *s,
                     return 0;
                 }
                 ffm->first_packet = 0;
-                if ((frame_offset & 0x7fff) < FFM_HEADER_SIZE)
+                if ((frame_offset & 0x7fff) < FFM_HEADER_SIZE) {
+                    ffm->packet_end = ffm->packet_ptr;
                     return -1;
+                }
                 ffm->packet_ptr = ffm->packet + (frame_offset & 0x7fff) - FFM_HEADER_SIZE;
                 if (!header)
                     break;
@@ -267,6 +271,7 @@ static int ffm2_read_header(AVFormatContext *s)
     AVStream *st;
     AVIOContext *pb = s->pb;
     AVCodecContext *codec;
+    const AVCodecDescriptor *codec_desc;
     int ret;
     int f_main = 0, f_cprv = -1, f_stvi = -1, f_stau = -1;
     AVCodec *enc;
@@ -321,7 +326,20 @@ static int ffm2_read_header(AVFormatContext *s)
             codec = st->codec;
             /* generic info */
             codec->codec_id = avio_rb32(pb);
+            codec_desc = avcodec_descriptor_get(codec->codec_id);
+            if (!codec_desc) {
+                av_log(s, AV_LOG_ERROR, "Invalid codec id: %d\n", codec->codec_id);
+                codec->codec_id = AV_CODEC_ID_NONE;
+                goto fail;
+            }
             codec->codec_type = avio_r8(pb);
+            if (codec->codec_type != codec_desc->type) {
+                av_log(s, AV_LOG_ERROR, "Codec type mismatch: expected %d, found %d\n",
+                       codec_desc->type, codec->codec_type);
+                codec->codec_id = AV_CODEC_ID_NONE;
+                codec->codec_type = AVMEDIA_TYPE_UNKNOWN;
+                goto fail;
+            }
             codec->bit_rate = avio_rb32(pb);
             codec->flags = avio_rb32(pb);
             codec->flags2 = avio_rb32(pb);
@@ -348,6 +366,11 @@ static int ffm2_read_header(AVFormatContext *s)
             codec->height = avio_rb16(pb);
             codec->gop_size = avio_rb16(pb);
             codec->pix_fmt = avio_rb32(pb);
+            if (!av_pix_fmt_desc_get(codec->pix_fmt)) {
+                av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codec->pix_fmt);
+                codec->pix_fmt = AV_PIX_FMT_NONE;
+                goto fail;
+            }
             codec->qmin = avio_r8(pb);
             codec->qmax = avio_r8(pb);
             codec->max_qdiff = avio_r8(pb);
@@ -414,7 +437,7 @@ static int ffm2_read_header(AVFormatContext *s)
             }
             break;
         case MKBETAG('S', '2', 'V', 'I'):
-            if (f_stvi++) {
+            if (f_stvi++ || !size) {
                 ret = AVERROR(EINVAL);
                 goto fail;
             }
@@ -429,7 +452,7 @@ static int ffm2_read_header(AVFormatContext *s)
                 goto fail;
             break;
         case MKBETAG('S', '2', 'A', 'U'):
-            if (f_stau++) {
+            if (f_stau++ || !size) {
                 ret = AVERROR(EINVAL);
                 goto fail;
             }
@@ -469,6 +492,7 @@ static int ffm_read_header(AVFormatContext *s)
     AVStream *st;
     AVIOContext *pb = s->pb;
     AVCodecContext *codec;
+    const AVCodecDescriptor *codec_desc;
     int i, nb_streams;
     uint32_t tag;
 
@@ -506,7 +530,20 @@ static int ffm_read_header(AVFormatContext *s)
         codec = st->codec;
         /* generic info */
         codec->codec_id = avio_rb32(pb);
+        codec_desc = avcodec_descriptor_get(codec->codec_id);
+        if (!codec_desc) {
+            av_log(s, AV_LOG_ERROR, "Invalid codec id: %d\n", codec->codec_id);
+            codec->codec_id = AV_CODEC_ID_NONE;
+            goto fail;
+        }
         codec->codec_type = avio_r8(pb); /* codec_type */
+        if (codec->codec_type != codec_desc->type) {
+            av_log(s, AV_LOG_ERROR, "Codec type mismatch: expected %d, found %d\n",
+                   codec_desc->type, codec->codec_type);
+            codec->codec_id = AV_CODEC_ID_NONE;
+            codec->codec_type = AVMEDIA_TYPE_UNKNOWN;
+            goto fail;
+        }
         codec->bit_rate = avio_rb32(pb);
         codec->flags = avio_rb32(pb);
         codec->flags2 = avio_rb32(pb);
@@ -525,6 +562,11 @@ static int ffm_read_header(AVFormatContext *s)
             codec->height = avio_rb16(pb);
             codec->gop_size = avio_rb16(pb);
             codec->pix_fmt = avio_rb32(pb);
+            if (!av_pix_fmt_desc_get(codec->pix_fmt)) {
+                av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codec->pix_fmt);
+                codec->pix_fmt = AV_PIX_FMT_NONE;
+                goto fail;
+            }
             codec->qmin = avio_r8(pb);
             codec->qmax = avio_r8(pb);
             codec->max_qdiff = avio_r8(pb);

libavformat/hls.c

@@ -911,6 +911,23 @@ static void update_options(char **dest, const char *name, void *src)
         av_freep(dest);
 }
 
+static int check_url(const char *url) {
+    const char *proto_name = avio_find_protocol_name(url);
+
+    if (!proto_name)
+        return AVERROR_INVALIDDATA;
+
+    if (!av_strstart(proto_name, "http", NULL) && !av_strstart(proto_name, "file", NULL))
+        return AVERROR_INVALIDDATA;
+
+    if (!strncmp(proto_name, url, strlen(proto_name)) && url[strlen(proto_name)] == ':')
+        return 0;
+    else if (strcmp(proto_name, "file") || !strncmp(url, "file,", 5))
+        return AVERROR_INVALIDDATA;
+
+    return 0;
+}
+
 static int open_input(HLSContext *c, struct playlist *pls)
 {
     AVDictionary *opts = NULL;
@@ -938,6 +955,10 @@ static int open_input(HLSContext *c, struct playlist *pls)
            seg->url, seg->url_offset, pls->index);
 
     if (seg->key_type == KEY_NONE) {
+        ret = check_url(seg->url);
+        if (ret < 0)
+            goto cleanup;
+
         ret = ffurl_open(&pls->input, seg->url, AVIO_FLAG_READ,
                           &pls->parent->interrupt_callback, &opts);
 
@@ -945,6 +966,10 @@ static int open_input(HLSContext *c, struct playlist *pls)
         char iv[33], key[33], url[MAX_URL_SIZE];
         if (strcmp(seg->key, pls->key_url)) {
             URLContext *uc;
+            ret = check_url(seg->key);
+            if (ret < 0)
+                goto cleanup;
+
             if (ffurl_open(&uc, seg->key, AVIO_FLAG_READ,
                            &pls->parent->interrupt_callback, &opts2) == 0) {
                 if (ffurl_read_complete(uc, pls->key, sizeof(pls->key))