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Code Issues Releases Activity

avcodec/avpacket: always initialize the new packet in avpriv_packet_list_put()

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If a copy callback is provided by the caller, the packet passed to it
was zeroed instead of initialized with default values.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-05-06 23:55:32 -03:00
parent ffd1316e44
commit 0a029906b2
1 changed files with 4 additions and 1 deletions
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5
libavcodec/avpacket.c
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@ -519,13 +519,14 @@ int avpriv_packet_list_put(PacketList **packet_buffer,
int (*copy)(AVPacket *dst, const AVPacket *src), int (*copy)(AVPacket *dst, const AVPacket *src),
int flags) int flags)
{ {
PacketList *pktl = av_mallocz(sizeof(PacketList)); PacketList *pktl = av_malloc(sizeof(PacketList));
int ret; int ret;
if (!pktl) if (!pktl)
return AVERROR(ENOMEM); return AVERROR(ENOMEM);
if (copy) { if (copy) {
get_packet_defaults(&pktl->pkt);
ret = copy(&pktl->pkt, pkt); ret = copy(&pktl->pkt, pkt);
if (ret < 0) { if (ret < 0) {
av_free(pktl); av_free(pktl);
@ -540,6 +541,8 @@ int avpriv_packet_list_put(PacketList **packet_buffer,
av_packet_move_ref(&pktl->pkt, pkt); av_packet_move_ref(&pktl->pkt, pkt);
} }
pktl->next = NULL;
if (*packet_buffer) if (*packet_buffer)
(*plast_pktl)->next = pktl; (*plast_pktl)->next = pktl;
else else