[SCM] libav/experimental: only check ac3 crc if AVCodecContext.error_resilience > 0

[siretart at users.alioth.debian.org]

The following commit has been merged in the experimental branch:
commit 471db688c692e2a036b5ff708ac04d290b9751aa
Author: Justin Ruggles <justin.ruggles at gmail.com>
Date:   Thu Jan 3 23:05:53 2008 +0000

    only check ac3 crc if AVCodecContext.error_resilience > 0
    
    Originally committed as revision 11388 to svn://svn.ffmpeg.org/ffmpeg/trunk

diff --git a/libavcodec/ac3dec.c b/libavcodec/ac3dec.c
index 1db4a50..507caa0 100644
--- a/libavcodec/ac3dec.c
+++ b/libavcodec/ac3dec.c
@@ -1109,10 +1109,12 @@ static int ac3_decode_frame(AVCodecContext * avctx, void *data, int *data_size,
     }
 
     /* check for crc mismatch */
+    if(avctx->error_resilience > 0) {
     if(av_crc(av_crc8005, 0, &buf[2], s->frame_size-2)) {
         av_log(avctx, AV_LOG_ERROR, "frame CRC mismatch\n");
         return -1;
     }
+    }
 
     avctx->sample_rate = s->sample_rate;
     avctx->bit_rate = s->bit_rate;

-- 
Libav/FFmpeg packaging