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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2011-02-23 13:11:03 -0500 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-02-26 03:16:02 +0100 |
| commit | 2be17a71ae1be0cdd8e7f50470f863dcb596c916 (patch) | |
| tree | 7c52ea66bd2dcb500be05be56651b80135fc4818 | |
| parent | c11c79222e2d8d1799e768b156808cae90c8d692 (diff) | |
| download | ffmpeg-2be17a71ae1be0cdd8e7f50470f863dcb596c916.tar.gz | |
vmdaudio: correct the silent chunk count in the first block.
This fixes A/V sync with several samples, notably:
http://samples.mplayerhq.hu/game-formats/sierra-vmd/swat_*.vmd
Signed-off-by: Ronald S. Bultje <rsbultje@gmail.com>
(cherry picked from commit 6989cb2dae85ea455ffcc8a36a763134fb311e29)
| -rw-r--r-- | libavcodec/vmdav.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/libavcodec/vmdav.c b/libavcodec/vmdav.c index c6043e94d2..53d40a997c 100644 --- a/libavcodec/vmdav.c +++ b/libavcodec/vmdav.c @@ -520,11 +520,7 @@ static int vmdaudio_decode_frame(AVCodecContext *avctx, uint32_t flags = AV_RB32(p); int raw_block_size = s->block_align * (av_get_bits_per_sample_fmt(avctx->sample_fmt) / 8); - int silent_chunks; - if(flags == 0xFFFFFFFF) - silent_chunks = 32; - else - silent_chunks = av_log2(flags + 1); + int silent_chunks = av_popcount(flags); if(*data_size < (s->block_align*silent_chunks + buf_size - 20) * 2) return -1; *data_size = 0; |