From 584f88409062f7a134e7391887899e8e723ab6ff Mon Sep 17 00:00:00 2001
From: nu774 <honeycomb77@gmail.com>
Date: Fri, 16 May 2014 20:25:46 +0900
Subject: [PATCH] riff: Pass block_align to estimate frame duration
Fix incorrect wSamplesPerBlock(=0) written for ADPCM_IMA_WAV
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
libavformat/riffenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/riffenc.c b/libavformat/riffenc.c
index 8479d9da38..fe92bc56ae 100644
--- a/libavformat/riffenc.c
+++ b/libavformat/riffenc.c
@@ -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;