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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-08-13 12:14:53 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-08-13 12:38:31 +0200 |
| commit | acbd78a001e137d37139295ae68753886cea0a04 (patch) | |
| tree | efb7779a5948d5f23bfe3af24cb230fe7ba0eb16 /libavformat/wavdec.c | |
| parent | 4ec4454ccf72ceca06393b4b3759e3412cf885da (diff) | |
| download | ffmpeg-acbd78a001e137d37139295ae68753886cea0a04.tar.gz | |
avformat/wavdec: Detect wrongly interpreted specification about the sample value in the fact chunk
Fixes Ticket703
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavformat/wavdec.c')
| -rw-r--r-- | libavformat/wavdec.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/libavformat/wavdec.c b/libavformat/wavdec.c index 85e7da6788..666fa31f1a 100644 --- a/libavformat/wavdec.c +++ b/libavformat/wavdec.c @@ -434,6 +434,15 @@ break_loop: data_size = 0; } + if ( st->codec->bit_rate > 0 && data_size > 0 + && st->codec->sample_rate > 0 + && sample_count > 0 && st->codec->channels > 1 + && sample_count % st->codec->channels == 0) { + if (fabs(8.0 * data_size * st->codec->channels * st->codec->sample_rate / + sample_count /st->codec->bit_rate - 1.0) < 0.3) + sample_count /= st->codec->channels; + } + if ( data_size > 0 && sample_count && st->codec->channels && (data_size << 3) / sample_count / st->codec->channels > st->codec->bits_per_coded_sample + 1) { av_log(s, AV_LOG_WARNING, "ignoring wrong sample_count %"PRId64"\n", sample_count); |