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lavf: factorize freeing a packet buffer.

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This commit is contained in:
Anton Khirnov 2012-03-03 09:43:14 +01:00
parent c9dbac36ad
commit 52b0943f10
1 changed files with 13 additions and 17 deletions
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30
libavformat/utils.c
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@ -1000,6 +1000,17 @@ static void compute_pkt_fields(AVFormatContext *s, AVStream *st,
pkt->convergence_duration = pc->convergence_duration;
}
static void free_packet_buffer(AVPacketList **pkt_buf, AVPacketList **pkt_buf_end)
{
while (*pkt_buf) {
AVPacketList *pktl = *pkt_buf;
*pkt_buf = pktl->next;
av_free_packet(&pktl->pkt);
av_freep(&pktl);
}
*pkt_buf_end = NULL;
}
static int read_frame_internal(AVFormatContext *s, AVPacket *pkt)
{
@ -1223,24 +1234,9 @@ int av_read_frame(AVFormatContext *s, AVPacket *pkt)
/* XXX: suppress the packet queue */
static void flush_packet_queue(AVFormatContext *s)
{
AVPacketList *pktl;
free_packet_buffer(&s->packet_buffer, &s->packet_buffer_end);
free_packet_buffer(&s->raw_packet_buffer, &s->raw_packet_buffer_end);
for(;;) {
pktl = s->packet_buffer;
if (!pktl)
break;
s->packet_buffer = pktl->next;
av_free_packet(&pktl->pkt);
av_free(pktl);
}
while(s->raw_packet_buffer){
pktl = s->raw_packet_buffer;
s->raw_packet_buffer = pktl->next;
av_free_packet(&pktl->pkt);
av_free(pktl);
}
s->packet_buffer_end=
s->raw_packet_buffer_end= NULL;
s->raw_packet_buffer_remaining_size = RAW_PACKET_BUFFER_SIZE;
}