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avcodec_decode_audio: do not trust the channel layout, use the channel count.

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Fixes memory corruption

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-01-18 01:28:44 +01:00
parent 4aed4f5846
commit d270c32025
1 changed files with 1 additions and 1 deletions
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2
libavcodec/utils.c
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@ -1809,7 +1809,7 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
* extended_data are doing it correctly */
if (*got_frame_ptr) {
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;
} else {