videolan/ffmpeg
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Merge commit '50ec1db62d977b6e864f315a53c1c580a6d7efa4'

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* commit '50ec1db62d977b6e864f315a53c1c580a6d7efa4':
  4xm: fold last_picture lazy allocation in decode_p_frame

Conflicts:
	libavcodec/4xm.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-06-13 12:10:05 +02:00
commit 294af51401
1 changed files with 10 additions and 8 deletions
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18
libavcodec/4xm.c
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@ -416,6 +416,16 @@ static int decode_p_frame(FourXContext *f, AVFrame *frame,
uint16_t *src;
unsigned int bitstream_size, bytestream_size, wordstream_size, extra,
bytestream_offset, wordstream_offset;
int ret;
if (!f->last_picture->data[0]) {
if ((ret = ff_get_buffer(f->avctx, f->last_picture,
AV_GET_BUFFER_FLAG_REF)) < 0) {
return ret;
}
for (y=0; y<f->avctx->height; y++)
memset(f->last_picture->data[0] + y*f->last_picture->linesize[0], 0, 2*f->avctx->width);
}
src = (uint16_t *)f->last_picture->data[0];
@ -902,14 +912,6 @@ static int decode_frame(AVCodecContext *avctx, void *data,
return ret;
}
} else if (frame_4cc == AV_RL32("pfrm") || frame_4cc == AV_RL32("pfr2")) {
if (!f->last_picture->data[0]) {
if ((ret = ff_get_buffer(avctx, f->last_picture,
AV_GET_BUFFER_FLAG_REF)) < 0)
return ret;
for (i=0; i<avctx->height; i++)
memset(f->last_picture->data[0] + i*f->last_picture->linesize[0], 0, 2*avctx->width);
}
f->current_picture->pict_type = AV_PICTURE_TYPE_P;
if ((ret = decode_p_frame(f, f->current_picture, buf, frame_size)) < 0) {
av_log(f->avctx, AV_LOG_ERROR, "decode p frame failed\n");