This is already done by avcodec_decode_audio3()
---
libavcodec/adpcm.c | 3 ---
1 files changed, 0 insertions(+), 3 deletions(-)
diff --git a/libavcodec/adpcm.c b/libavcodec/adpcm.c
index d63c2f2..745f740 100644
--- a/libavcodec/adpcm.c
+++ b/libavcodec/adpcm.c
@@ -347,9 +347,6 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
uint32_t samples_in_chunk;
int count1, count2;
- if (!buf_size)
- return 0;
-
//should protect all 4bit ADPCM variants
//8 is needed for CODEC_ID_ADPCM_IMA_WAV with 2 channels
//
--
1.7.1
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