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riff: Pass block_align to estimate frame duration

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Fix incorrect wSamplesPerBlock(=0) written for ADPCM_IMA_WAV

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
This commit is contained in:
nu774 2014-05-16 20:25:46 +09:00 committed by Luca Barbato
parent 34e2ce5dde
commit 584f884090
1 changed files with 1 additions and 1 deletions
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libavformat/riffenc.c
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@ -62,7 +62,7 @@ int ff_put_wav_header(AVIOContext *pb, AVCodecContext *enc)
/* We use the known constant frame size for the codec if known, otherwise
* fall back on using AVCodecContext.frame_size, which is not as reliable
* for indicating packet duration. */
frame_size = av_get_audio_frame_duration(enc, 0);
frame_size = av_get_audio_frame_duration(enc, enc->block_align);
if (!frame_size)
frame_size = enc->frame_size;