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Fix audio clicks in ADPCM IMA AMV by casting predictor as "signed short"

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Initialize step_index as int16_t (as multimedia wiki says).

Originally committed as revision 10657 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vladimir Voroshilov 2007-10-03 19:32:57 +00:00
parent ba869f6b25
commit 330194b9ce
1 changed files with 2 additions and 4 deletions
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6
libavcodec/adpcm.c
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@ -1184,10 +1184,8 @@ static int adpcm_decode_frame(AVCodecContext *avctx,
break;
case CODEC_ID_ADPCM_IMA_AMV:
case CODEC_ID_ADPCM_IMA_SMJPEG:
c->status[0].predictor = *src;
src += 2;
c->status[0].step_index = *src++;
src++; /* skip another byte before getting to the meat */
c->status[0].predictor = (signed short)bytestream_get_le16(&src);
c->status[0].step_index = bytestream_get_le16(&src);
if (avctx->codec->id == CODEC_ID_ADPCM_IMA_AMV)
src+=4;