Commit graph

472 commits

Author SHA1 Message Date
Mathieu Duponchelle
c2eeb639b0 basetsmux: fix SCTE pts_adjustment with offsets
When there are elements between the demuxer and the muxer that
introduce an offset to the running time, or when offsets are
set on pads by the application, this shift must be taken into
account when calculating the final pts_adjustement.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
c3a161f287 basetsmux: rework SCTE section handling to handle passthrough
mpegtsmux can receive SCTE sections from two origins: events
created by the application, and events forwarded downstream by
mpegtsdemux, containing sections that may not have been fully
parsed, and additional data to help tsmux translate times to
the correct domain, both for requesting keyframes and calculating
an accurate pts_adjustment.

The complete approach is documented further in a comment above
the relevant function.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
e4f40ba526 mpegtspacketizer: handle "packetizing" already packetized data
.. when the section didn't have a packetizer. This can happen
as a result of building a new section from a copy of the original
data of another section.

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
1477d76b7d scte-section: add support for packetizing splice_program_flag='0'
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
612e064154 scte-section: add support for packetizing schedule events
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
5ecd395d91 scte-section: Add TODO for porting to gst_bit_*
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
e272fb3444 scte-section: add support for parsing splice components
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
66533ea77d scte-section: add support for SCHEDULE commands
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:38 +00:00
Mathieu Duponchelle
ab0ab46f13 scte-section: fix typo
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Mathieu Duponchelle
61fecce193 gst-scte-section: implement partial parsing
In cases where either the SIT is encrypted, or an unknown
command is encountered, we still want to send an event downstream.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Mathieu Duponchelle
d17c7f25e6 scte35-section: semantic API break
Document that the constructors for the splice events expect
a running time, as users of the API can not be expected to
predict the appropriate local PTS.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Mathieu Duponchelle
a9787d0c85 scte-section: add support for packetizing time_signal splices
time_signal splices are trivial, they only contain a splice_time()
and all the relevant information is carried in descriptors.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Mathieu Duponchelle
be4d0fff23 basetsmux: extend SCTE 35 support
Makes it possible to support passing SCTE 35 cue points from
demuxer to muxer, while preserving correct timing.

This will also improve ex nihilo cue points injection, as splice
times and durations are now interpreted as running time values,
and may trigger key unit requests.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +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
Mathieu Duponchelle
b2718ed6cf mpegtsbase: expose vmethod to let subclass handle sections
This can be used by tsdemux to handle and forward SCTE 35
sections.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Mathieu Duponchelle
a03c395582 mpegtssection: expose event constructor
This allows the demuxer to forward sections of interest downstream,
for example SCTE 35 splice information. These can then be reinjected
appropriately by a muxer for example.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Mathieu Duponchelle
fc975818b5 scte-section.h: fix type macros
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/913>
2021-09-25 01:29:37 +00:00
Nicolas Dufresne
3037fde5eb Move commit gst-indent hook to the root
This renable at meson setup time the installation of the gst-indent
commit hook. The hooks were kept from gst-devtools as this set supports
both C checks and Python checks.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/904>
2021-09-24 17:47:01 -03:00
Thibault Saunier
c6b9c81fdd ci: Remove now useless .gitlab-ci.yml files
Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/891>
2021-09-24 16:21:18 -03:00
Thibault Saunier
091946a478 ci: Port CI to the new monorepo
Main differences with previous setup are:
- No manifest creation
- gst-indent is executed only when the bot is assigned (instead of the manifest task)
- Cerbero jobs are triggered in the cerbero repo
- Remove cerbero and android related files as they now are in cerbero
  itself.
- Update `container.ps1` to the new file layout

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/891>
2021-09-24 16:21:18 -03:00
Thibault Saunier
019971a3c7 Move files from gst-plugins-bad into the "subprojects/gst-plugins-bad/" subdir 2021-09-24 16:14:36 -03:00