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fix the WC3 Xan decoder by correcting the frame accounting logic

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Originally committed as revision 12326 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Mike Melanson 2008-03-05 06:58:20 +00:00
parent 56adc69501
commit 282ee4e766
1 changed files with 6 additions and 4 deletions
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10
libavcodec/xan.c
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@ -435,12 +435,12 @@ static int xan_decode_frame(AVCodecContext *avctx,
if (s->last_frame.data[0])
avctx->release_buffer(avctx, &s->last_frame);
/* shuffle frames */
s->last_frame = s->current_frame;
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->current_frame;
/* shuffle frames */
FFSWAP(AVFrame, s->current_frame, s->last_frame);
/* always report that the buffer was completely consumed */
return buf_size;
}
@ -449,9 +449,11 @@ static int xan_decode_end(AVCodecContext *avctx)
{
XanContext *s = avctx->priv_data;
/* release the last frame */
/* release the frames */
if (s->last_frame.data[0])
avctx->release_buffer(avctx, &s->last_frame);
if (s->current_frame.data[0])
avctx->release_buffer(avctx, &s->current_frame);
av_free(s->buffer1);
av_free(s->buffer2);