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Code Issues Releases Activity

movenc: Apply offsets on timestamps when peeking into interleaving queues

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Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2016-06-24 23:38:54 +03:00
parent eccfb9778a
commit 785c25443b
3 changed files with 30 additions and 15 deletions
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11
libavformat/internal.h
View File

@ -443,12 +443,13 @@ void ff_format_io_close(AVFormatContext *s, AVIOContext **pb);
/**
* 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 */

12
libavformat/movenc.c
View File

@ -3262,13 +3262,13 @@ static int mov_flush_fragment(AVFormatContext *s, int force)
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;
}
}
}

22
libavformat/mux.c
View File

@ -357,6 +357,8 @@ FF_ENABLE_DEPRECATION_WARNINGS
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;
@ -614,15 +616,27 @@ int ff_interleave_packet_per_dts(AVFormatContext *s, AVPacket *out,
}
}
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);
}
/**