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lavc: ensure extended_data is set properly on decoding

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This commit is contained in:
Anton Khirnov 2012-09-21 09:04:12 +02:00
parent 2bc0de3858
commit b437cec143
1 changed files with 14 additions and 0 deletions
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14
libavcodec/utils.c
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@ -1291,6 +1291,10 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
} else
ret = 0;
/* many decoders assign whole AVFrames, thus overwriting extended_data;
* make sure it's set correctly */
picture->extended_data = picture->data;
return ret;
}
@ -1347,6 +1351,7 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
int *got_frame_ptr,
AVPacket *avpkt)
{
int planar, channels;
int ret = 0;
*got_frame_ptr = 0;
@ -1369,6 +1374,15 @@ int attribute_align_arg avcodec_decode_audio4(AVCodecContext *avctx,
frame->format = avctx->sample_fmt;
}
}
/* many decoders assign whole AVFrames, thus overwriting extended_data;
* 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);
if (!(planar && channels > AV_NUM_DATA_POINTERS))
frame->extended_data = frame->data;
return ret;
}