[FFmpeg-cvslog] r11415 - trunk/libavcodec/ac3dec.c

[jbr]

Author: jbr
Date: Sat Jan  5 16:22:53 2008
New Revision: 11415

Log:
check for request_channels at codec init

Modified:
   trunk/libavcodec/ac3dec.c

Modified: trunk/libavcodec/ac3dec.c
==============================================================================
--- trunk/libavcodec/ac3dec.c	(original)
+++ trunk/libavcodec/ac3dec.c	Sat Jan  5 16:22:53 2008
@@ -312,6 +312,13 @@ static int ac3_decode_init(AVCodecContex
         s->mul_bias = 32767.0f;
     }
 
+    /* allow downmixing to stereo or mono */
+    if (avctx->channels > 0 && avctx->request_channels > 0 &&
+            avctx->request_channels < avctx->channels &&
+            avctx->request_channels <= 2) {
+        avctx->channels = avctx->request_channels;
+    }
+
     return 0;
 }