diff options
Diffstat (limited to 'chromium/third_party/ffmpeg/libavformat/ac3dec.c')
| -rw-r--r-- | chromium/third_party/ffmpeg/libavformat/ac3dec.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/chromium/third_party/ffmpeg/libavformat/ac3dec.c b/chromium/third_party/ffmpeg/libavformat/ac3dec.c index 3db23397d0d..58ef44d45a7 100644 --- a/chromium/third_party/ffmpeg/libavformat/ac3dec.c +++ b/chromium/third_party/ffmpeg/libavformat/ac3dec.c @@ -28,7 +28,7 @@ static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id) { int max_frames, first_frames = 0, frames; const uint8_t *buf, *buf2, *end; - AC3HeaderInfo hdr; + AC3HeaderInfo *phdr = NULL; GetBitContext gbc; enum AVCodecID codec_id = AV_CODEC_ID_AC3; @@ -55,27 +55,28 @@ static int ac3_eac3_probe(AVProbeData *p, enum AVCodecID expected_codec_id) init_get_bits(&gbc, buf3, 54); }else init_get_bits(&gbc, buf2, 54); - if(avpriv_ac3_parse_header(&gbc, &hdr) < 0) + if(avpriv_ac3_parse_header2(&gbc, &phdr) < 0) break; - if(buf2 + hdr.frame_size > end) + if(buf2 + phdr->frame_size > end) break; if (buf[0] == 0x77 && buf[1] == 0x0B) { - av_assert0(hdr.frame_size <= sizeof(buf3)); - for(i=8; i<hdr.frame_size; i+=2) { + av_assert0(phdr->frame_size <= sizeof(buf3)); + for(i=8; i<phdr->frame_size; i+=2) { buf3[i ] = buf[i+1]; buf3[i+1] = buf[i ]; } } - if(av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, gbc.buffer + 2, hdr.frame_size - 2)) + if(av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, gbc.buffer + 2, phdr->frame_size - 2)) break; - if (hdr.bitstream_id > 10) + if (phdr->bitstream_id > 10) codec_id = AV_CODEC_ID_EAC3; - buf2 += hdr.frame_size; + buf2 += phdr->frame_size; } max_frames = FFMAX(max_frames, frames); if(buf == p->buf) first_frames = frames; } + av_freep(&phdr); if(codec_id != expected_codec_id) return 0; // keep this in sync with mp3 probe, both need to avoid // issues with MPEG-files! |