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4xm: use reget_buffer() in decode_frame()

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Also remove unnecessary call to avctx->release_buffer(). reget_buffer
is required since apparently the codec needs to be feeded with the
previous frame data.

Releasing the frame and using get_buffer was working only in the case
get_buffer() was returning the old frame data, and resulting in
playback artifacts otherwise.

Fix trac issue #85.
This commit is contained in:
Stefano Sabatini 2011-04-26 11:59:22 +02:00
parent c2606259de
commit 10aa5a6c42
1 changed files with 2 additions and 5 deletions
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7
libavcodec/4xm.c
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@ -773,12 +773,9 @@ static int decode_frame(AVCodecContext *avctx,
avctx->flags |= CODEC_FLAG_EMU_EDGE; // alternatively we would have to use our own buffer management
if(p->data[0])
avctx->release_buffer(avctx, p);
p->reference= 1;
if(avctx->get_buffer(avctx, p) < 0){
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
if (avctx->reget_buffer(avctx, p) < 0) {
av_log(avctx, AV_LOG_ERROR, "reget_buffer() failed\n");
return -1;
}