/**
* Find the next packet in the interleaving queue for the given stream.
- * The packet is not removed from the interleaving queue, but only
- * a pointer to it is returned.
+ * The pkt parameter is filled in with the queued packet, including
+ * references to the data (which the caller is not allowed to keep or
+ * modify).
*
- * @return a pointer to the next packet, or NULL if no packet is queued
- * for this stream.
+ * @return 0 if a packet was found, a negative value if no packet was found
*/
-const AVPacket *ff_interleaved_peek(AVFormatContext *s, int stream);
+int ff_interleaved_peek(AVFormatContext *s, int stream,
+ AVPacket *pkt, int add_offset);
#endif /* AVFORMAT_INTERNAL_H */
for (i = 0; i < s->nb_streams; i++) {
MOVTrack *track = &mov->tracks[i];
if (!track->end_reliable) {
- const AVPacket *next = ff_interleaved_peek(s, i);
- if (next) {
- track->track_duration = next->dts - track->start_dts;
- if (next->pts != AV_NOPTS_VALUE)
- track->end_pts = next->pts;
+ AVPacket pkt;
+ if (!ff_interleaved_peek(s, i, &pkt, 1)) {
+ track->track_duration = pkt.dts - track->start_dts;
+ if (pkt.pts != AV_NOPTS_VALUE)
+ track->end_pts = pkt.pts;
else
- track->end_pts = next->dts;
+ track->end_pts = pkt.dts;
}
}
}
static int write_packet(AVFormatContext *s, AVPacket *pkt)
{
int ret;
+ // If the timestamp offsetting below is adjusted, adjust
+ // ff_interleaved_peek similarly.
if (s->avoid_negative_ts > 0) {
AVRational time_base = s->streams[pkt->stream_index]->time_base;
int64_t offset = 0;
}
}
-const AVPacket *ff_interleaved_peek(AVFormatContext *s, int stream)
+int ff_interleaved_peek(AVFormatContext *s, int stream,
+ AVPacket *pkt, int add_offset)
{
AVPacketList *pktl = s->internal->packet_buffer;
while (pktl) {
- if (pktl->pkt.stream_index == stream)
- return &pktl->pkt;
+ if (pktl->pkt.stream_index == stream) {
+ *pkt = pktl->pkt;
+ if (add_offset && s->internal->offset != AV_NOPTS_VALUE) {
+ int64_t offset = av_rescale_q(s->internal->offset,
+ s->internal->offset_timebase,
+ s->streams[stream]->time_base);
+ if (pkt->dts != AV_NOPTS_VALUE)
+ pkt->dts += offset;
+ if (pkt->pts != AV_NOPTS_VALUE)
+ pkt->pts += offset;
+ }
+ return 0;
+ }
pktl = pktl->next;
}
- return NULL;
+ return AVERROR(ENOENT);
}
/**