virtualenv/FFmpeg
1
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-12-23 12:43:46 +02:00
Code Issues Releases Activity

avformat/wavdec: Dont trust the fact chunk for PCM

Browse Source 
Fixes Ticket3033

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-10-09 21:43:06 +02:00
parent 3aa576513b
commit 83fc6c822b
1 changed files with 9 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
libavformat/wavdec.c
View File

@ -403,11 +403,15 @@ break_loop:
avio_seek(pb, data_ofs, SEEK_SET); avio_seek(pb, data_ofs, SEEK_SET);
if (!sample_count && st->codec->channels && if (!sample_count || av_get_exact_bits_per_sample(st->codec->codec_id) > 0)
av_get_bits_per_sample(st->codec->codec_id) && wav->data_end <= avio_size(pb)) if ( st->codec->channels
sample_count = (data_size << 3) / && data_size
(st->codec->channels * && av_get_bits_per_sample(st->codec->codec_id)
(uint64_t)av_get_bits_per_sample(st->codec->codec_id)); && wav->data_end <= avio_size(pb))
sample_count = (data_size << 3)
/
(st->codec->channels * (uint64_t)av_get_bits_per_sample(st->codec->codec_id));
if (sample_count) if (sample_count)
st->duration = sample_count; st->duration = sample_count;