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Code Issues Releases Activity

ff_alloc_packet: modify the size of the packet to match the requested size

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This will simplify encoders which use this function to request the exact
packet size rather than the maximum size.
This commit is contained in:
Justin Ruggles 2012-02-01 16:23:19 -05:00
parent 5ff88020ac
commit 1a670973a7
2 changed files with 2 additions and 3 deletions
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1
libavcodec/internal.h
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@ -120,6 +120,7 @@ int avpriv_unlock_avformat(void);
* If avpkt->data is already set, avpkt->size is checked
* to ensure it is large enough.
* If avpkt->data is NULL, a new buffer is allocated.
* avpkt->size is set to the specified size.
* All other AVPacket fields will be reset with av_init_packet().
* @param size the minimum required packet size
* @return 0 on success, negative error code on failure

4
libavcodec/utils.c
View File

@ -839,16 +839,14 @@ int ff_alloc_packet(AVPacket *avpkt, int size)
if (avpkt->data) {
uint8_t *pkt_data;
int pkt_size;
if (avpkt->size < size)
return AVERROR(EINVAL);
pkt_data = avpkt->data;
pkt_size = avpkt->size;
av_init_packet(avpkt);
avpkt->data = pkt_data;
avpkt->size = pkt_size;
avpkt->size = size;
return 0;
} else {
return av_new_packet(avpkt, size);