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avcodec: Add a min size parameter to ff_alloc_packet2()

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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
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2
libavcodec/lclenc.c
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@@ -79,7 +79,7 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
int zret; // Zlib return code
int max_size = deflateBound(&c->zstream, avctx->width * avctx->height * 3);
if ((ret = ff_alloc_packet2(avctx, pkt, max_size)) < 0)
if ((ret = ff_alloc_packet2(avctx, pkt, max_size, 0)) < 0)
return ret;
if(avctx->pix_fmt != AV_PIX_FMT_BGR24){