avcodec: Add a min size parameter to ff_alloc_packet2()

This parameter can be used to inform the allocation code about how much
downsizing might occur, and can be used to optimize how to allocate the
packet

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2015-07-27 19:36:16 +02:00
parent 59216e0525
commit e36db49b7b
89 changed files with 96 additions and 92 deletions

View File

@@ -56,7 +56,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
return AVERROR_EXPERIMENTAL;
}
if ((ret = ff_alloc_packet2(avctx, pkt, 32*avctx->height*avctx->width/4)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, 32*avctx->height*avctx->width/4, 0)) < 0)
return ret;
init_put_bits(&pb, pkt->data, pkt->size);