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fix mxf interleaving packet purge

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Originally committed as revision 17359 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2009-02-16 01:51:52 +00:00
parent 6545996fb9
commit fe5a361c3a
1 changed files with 9 additions and 10 deletions
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19
libavformat/mxfenc.c
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@ -1831,20 +1831,15 @@ static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket
if (stream_count && (s->nb_streams == stream_count || flush)) {
pktl = s->packet_buffer;
if (s->nb_streams != stream_count) {
AVPacketList *first = NULL;
AVPacketList *last = NULL;
// find first packet in edit unit
// find last packet in edit unit
while (pktl) {
AVStream *st = s->streams[pktl->pkt.stream_index];
if (st->index == 0)
if (!stream_count || pktl->pkt.stream_index == 0)
break;
else if (!first)
first = pktl;
last = pktl;
pktl = pktl->next;
stream_count--;
}
if (last)
last->next = NULL;
// purge packet queue
while (pktl) {
AVPacketList *next = pktl->next;
@ -1852,9 +1847,13 @@ static int mxf_interleave_get_packet(AVFormatContext *s, AVPacket *out, AVPacket
av_freep(&pktl);
pktl = next;
}
if (!first)
if (last)
last->next = NULL;
else {
s->packet_buffer = NULL;
goto out;
pktl = first;
}
pktl = s->packet_buffer;
}
*out = pktl->pkt;