[FFmpeg-cvslog] r10657 - trunk/libavcodec/adpcm.c

[voroshil]

Author: voroshil
Date: Wed Oct  3 21:32:57 2007
New Revision: 10657

Log:
Fix audio clicks in ADPCM IMA AMV by casting predictor as "signed short"
Initialize step_index as int16_t (as multimedia wiki says).



Modified:
   trunk/libavcodec/adpcm.c

Modified: trunk/libavcodec/adpcm.c
==============================================================================
--- trunk/libavcodec/adpcm.c	(original)
+++ trunk/libavcodec/adpcm.c	Wed Oct  3 21:32:57 2007
@@ -1184,10 +1184,8 @@ static int adpcm_decode_frame(AVCodecCon
         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;