avcodec_decode_audio: do not trust the channel layout, use the channel count.
authorMichael Niedermayer <michaelni@gmx.at>
Fri, 18 Jan 2013 00:28:44 +0000 (01:28 +0100)
committerMichael Niedermayer <michaelni@gmx.at>
Thu, 7 Feb 2013 00:00:02 +0000 (01:00 +0100)
Fixes memory corruption

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit d270c3202539e8364c46410e15f7570800e33343)

Conflicts:

libavcodec/utils.c

libavcodec/utils.c

index 00434c9..384d457 100644 (file)
@@ -1744,7 +1744,7 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
      * make sure it's set correctly; assume decoders that actually use
      * extended_data are doing it correctly */
     planar   = av_sample_fmt_is_planar(frame->format);
-    channels = av_get_channel_layout_nb_channels(frame->channel_layout);
+    channels = frame->channels;
     if (!(planar && channels > AV_NUM_DATA_POINTERS))
         frame->extended_data = frame->data;