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avcodec/avpacket: Refactoring copy_side_data into a separate function 

Refactoring copy_side_data into a separate function so that it can be called
in cases where side data needs to be duplicated.

Signed-off-by: Vignesh Venkatasubramanian <vigneshv@google.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Vignesh Venkatasubramanian 2013-05-08 16:59:31 -07:00 committed by Michael Niedermayer
parent 5d22ac488b
commit 48de04f4ec
2 changed files with 22 additions and 4 deletions
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7
libavcodec/avcodec.h
View File

@ -3483,6 +3483,13 @@ int av_dup_packet(AVPacket *pkt);
*/
int av_copy_packet(AVPacket *dst, AVPacket *src);
/**
* Copy packet side data
*
* @return 0 on success, negative AVERROR on fail
*/
int av_copy_packet_side_data(AVPacket *dst, AVPacket *src);
/**
* Free a packet.
*

19
libavcodec/avpacket.c
View File

@ -199,13 +199,24 @@ static int copy_packet_data(AVPacket *pkt, AVPacket *src, int dup)
if (pkt->side_data_elems && dup)
pkt->side_data = src->side_data;
if (pkt->side_data_elems && !dup) {
int i;
return av_copy_packet_side_data(pkt, src);
}
return 0;
failed_alloc:
av_destruct_packet(pkt);
return AVERROR(ENOMEM);
}
int av_copy_packet_side_data(AVPacket *pkt, AVPacket *src)
{
if (src->side_data_elems) {
int i;
DUP_DATA(pkt->side_data, src->side_data,
pkt->side_data_elems * sizeof(*pkt->side_data), 0, ALLOC_MALLOC);
src->side_data_elems * sizeof(*src->side_data), 0, ALLOC_MALLOC);
memset(pkt->side_data, 0,
pkt->side_data_elems * sizeof(*pkt->side_data));
for (i = 0; i < pkt->side_data_elems; i++) {
src->side_data_elems * sizeof(*src->side_data));
for (i = 0; i < src->side_data_elems; i++) {
DUP_DATA(pkt->side_data[i].data, src->side_data[i].data,
src->side_data[i].size, 1, ALLOC_MALLOC);
pkt->side_data[i].size = src->side_data[i].size;