Commit graph

9 commits

Author SHA1 Message Date
Edward Hervey
d9b1e1e99f tsdemux: Improve gap detection
We should also take into account whether data is currently pending when checking
for gap on streams. It could very well be that some streams have very low
bitrate (and spread out) data. For those we don't want to push out a gap event.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1179>
2021-10-18 11:23:25 +00:00
Edward Hervey
0ff569d408 tsdemux: Handle "negative" timestamps
This is only enabled in push time mode. Furthermore it's only enabled for now if
PCR is to be ignored.

The problem is dealing with streams where the initial PTS/DTS observation might
be greater than following ones (from other PID for example). Before this patch,
this would result in sending buffers without any timestamp which would cause a
wide variety of issues.

Instead, pad segment and buffer timestamps with an extra
value (packetizer->extra_shift, default to 2s), to ensure that we can get valid
timestamps on outgoing buffers (even if that means they are before the segment
start).

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1179>
2021-10-18 11:23:25 +00:00
Edward Hervey
74e9d44db3 tsdemux: Handle streams with bogus PTS vs DTS
PTS and DTS should be within a reasonable distance of each other.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1179>
2021-10-18 11:23:25 +00:00
Vivia Nikolaidou
23bf9f75b6 tsdemux: Handle delayed seek events
Store the event in case it cannot be processed immediately and process
it after the first segment has been produced.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/980>
2021-10-14 21:45:00 +00:00
Vivia Nikolaidou
5800ffea0f tsdemux: Protect demux->segment_event with a mutex
Would otherwise cause weird issues when processing a delayed seek event

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/980>
2021-10-14 21:45:00 +00:00
Mathieu Duponchelle
f0a158407c mpegts: add missing Since comments after SCTE 35 work
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
4af003bc02 tsdemux: switch SCTE 35 sections handling to a passthrough model
Instead of modifying the splice times in the incoming sections
to running time and expecting eg mpegtsmux to convert those back
to its local PES time domain, which might be impossible when
those splice times are encrypted or the specification is extended,
transmit the needed information to the muxer as separate fields in
the event:

* A pts offset field can be used by the muxer in order to calculate
  a final pts_adjustment

* A rtime_map can be used by the muxer to determine the correct
  running times at which it should request keyframes

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
1ca08bff57 tsdemux: Expose send-scte35-events property
When enabled, SCTE 35 sections (eg ad placement opportunities)
are forwarded as events donwstream.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Thibault Saunier
019971a3c7 Move files from gst-plugins-bad into the "subprojects/gst-plugins-bad/" subdir 2021-09-24 16:14:36 -03:00
Renamed from gst/mpegtsdemux/tsdemux.c (Browse further)