Commit graph

107 commits

Author SHA1 Message Date
Jan Schmidt
e98ccc7665 gstsegment: Refuse instant-rate seeks in gst_segment_do_seek()
Elements that pass a seek with INSTANT_RATE flag to
gst_segment_do_seek() haven't been updated and we should
refuse the seek.
2020-03-26 13:51:41 +00:00
Mathieu Duponchelle
21a02e7672 gstsegment: Add GST_SEEK_FLAG_TRICKMODE_FORWARD_PREDICTED
This is generally useful, and mandated by the ONVIF streaming
spec, section 6.5.3

<https://www.onvif.org/specs/stream/ONVIF-Streaming-Spec.pdf>
2019-04-24 15:30:22 +00:00
Jan Schmidt
80015d69a7 segment: Allow stop == -1 in gst_segment_to_running_time() and rate < 0
If a segment has stop == -1, then gst_segment_to_running_time()
would refuse to calculate a running time for negative rates,
but gst_segment_do_seek() allows this scenario and uses a
valid duration for calculations.

Make the 2 functions consistent by using any configured duration
to calculate a running time too in that case.

https://bugzilla.gnome.org/show_bug.cgi?id=796559
2018-10-29 04:03:56 +11:00
Jan Schmidt
260b9791fc gstsegment: Handle positions before the segment properly
Fixes for gst_segment_position_from_running_time_full() when
converting running_times that precede the segment start (or
stop in a negative rate segment)

The return value was incorrectly negated in those cases.

Add some more unit test checks for those cases, and especially
for segments with offsets.
2018-08-28 01:54:02 +10:00
luz.paz
4a402c1c7d Fix typos in comments and docs
Found via `codespell`

https://bugzilla.gnome.org/show_bug.cgi?id=795610
2018-05-01 11:18:03 +01:00
Mark Nauwelaerts
9fb56a32f5 gst: fix some GIR annotations
Mostly related to out parameters and their transfer
2018-02-18 12:16:36 +01:00
Stefan Sauer
c96901d4d9 segment: add a FIXME-2.0 for the format parameters
Capture the somewhat not ordinary use of the extra format parameter in a
comment.
See https://bugzilla.gnome.org/show_bug.cgi?id=788979
2017-12-26 11:29:39 +01:00
Stefan Sauer
38dd43df29 Revert "segment: also intialize the duration"
This reverts commit f1baaae175.
2017-10-20 16:11:44 +02:00
Stefan Sauer
f1baaae175 segment: also intialize the duration
If start and stop are set, calculate the duration and set it too.
2017-10-20 14:30:42 +02:00
Sebastian Dröge
0bf3531efa segment: Add missing out annotations for various parameters 2017-07-28 17:27:32 +01:00
Tim-Philipp Müller
0eecc49c13 gst: add GST_DEPRECATED_FOR() and also export deprecated symbols
Can't use a #ifndef GST_DISABLE_DEPRECATED guard around deprecated
functions any more, as they won't get exported then. Besides, we
get a nicer error message from the compiler telling us what function
to use instead this way.
2017-05-15 23:14:20 +01:00
Seungha Yang
15f2898e87 segment: Modifiy inside segment condition
There is a special case that segment_start == segment_stop == start.
It's inside of segment

https://bugzilla.gnome.org/show_bug.cgi?id=764707
2017-01-31 15:55:12 +01:00
Thibault Saunier
a87b4551a6 Port gtk-doc comments to their equivalent markdown syntax
Modernizing our documentation and preparing a possible move to hotdoc.
This commits also adds missing @title metadatas to all SECTIONs
2017-01-27 16:36:38 -03:00
Sebastian Dröge
66c0879908 segment: Return -1 if gst_segment_to_stream_time_full() considers the position not inside the segment
Fixes GstPipeline unit test.

https://bugzilla.gnome.org/show_bug.cgi?id=756564
2015-10-26 10:53:35 +02:00
Sebastian Dröge
9402f9786d segment: Remove leftover debug g_print() 2015-10-23 20:04:42 +03:00
Vivia Nikolaidou
6ff8fdfc47 segment: Add _full variants of all stream/running_time from/to segment position functions
See formula clarifications in design docs for calculation details.

https://bugzilla.gnome.org/show_bug.cgi?id=756564
2015-10-23 15:50:38 +03:00
Vivia Nikolaidou
45f0f354ac segment: Correct stream_time calc for negative applied rate
Updated gst_segment_position_from_stream_time and gst_segment_to_stream_time to reflect correct calculations for the case when the applied rate is negative.

Pasting from design docs:

===============================
Stream time is calculated using the buffer times and the preceding SEGMENT
event as follows:

    stream_time = (B.timestamp - S.start) * ABS (S.applied_rate) + S.time

For negative rates, B.timestamp will go backwards from S.stop to S.start,
making the stream time go backwards.
===============================

Therefore, the calculation for applied_rate < 0 should be:

    stream_time = (S.stop - B.timestamp) * ABS (S.applied_rate) + S.time

and the reverse:

    B.timestamp = S.stop - (stream_time - S.time) / ABS (S.applied_rate)

https://bugzilla.gnome.org/show_bug.cgi?id=756810
2015-10-20 10:43:07 +03:00
Vivia Nikolaidou
44ba1565d9 segment: Replaced gst_segment_to_position with gst_segment_position_from_running_time
gst_segment_to_position might cause confusion, especially with the addition of
gst_segment_position_from_stream_time . Deprecated gst_segment_to_position
now, and replaced it with gst_segment_position_from_running_time.

Also added unit tests.
2015-09-26 00:00:08 +02:00
Vivia Nikolaidou
26ef44f17c segment: gst_segment_to_stream_time: Renamed 'result' to 'stream_time'
Renamed the "result" variable to "stream_time" for better readability.
2015-09-25 23:59:59 +02:00
Vivia Nikolaidou
c0d4b1b646 segment: Added gst_segment_position_from_stream_time()
gst_segment_position_from_stream_time() will convert stream time into a
position in the segment so that gst_segment_to_stream_time() with that
position returns the same stream time. It will return -1 if the stream time
given is not inside the segment.
2015-09-25 23:59:53 +02:00
Vincent Penquerc'h
d6ae9c0feb segment: add gst_segment_is_equal
It beats memcmp due to the 'reserved' fields.

API: gst_segment_is_equal()

Found via, but probably not directly linked to,
https://bugzilla.gnome.org/show_bug.cgi?id=738216
2015-04-03 12:10:33 +01:00
Wim Taymans
bc282da83c segment: remove the bounds check from _to_running_time_full()
Do not do any checks for the start/stop in the new
gst_segment_to_running_time_full() method, we can let this be done by
the more capable gst_segment_clip() method. This allows us to remove the
enum of results and only return the sign of the calculated running-time.
We need to put the old clipping checks in the old
gst_segment_to_running_time() still because they work slightly
differently than the _clip methods.

See https://bugzilla.gnome.org/show_bug.cgi?id=740575
2015-03-20 09:00:47 +01:00
Wim Taymans
edf484ab6b segment: add option to disable clipping
Add a clip argument to gst_segment_to_running_time_full() to disable
the checks against the segment boundaries. This makes it possible to
generate an extrapolated running-time for timestamps outside of the
segment.

See https://bugzilla.gnome.org/show_bug.cgi?id=740575
2015-03-19 17:36:36 +01:00
Wim Taymans
8c8b3818e4 segment: add helper to get negative running-time
Add a helper method to get a running-time with a little more features
such as detecting if the value was before or after the segment and
negative running-time.

API: gst_segment_to_running_time_full()

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=740575
2015-03-18 11:35:42 +01:00
Wim Taymans
6e67ad7675 segment: fix offset handling with non 0 start
The position in the segment is relative to the start but the offset
isn't, so subtract the start from the position when setting the offset.
Add unit test for this as well.
2015-03-18 11:35:42 +01:00
Jan Schmidt
f3756af07b segment: Add new skip flags for clarifying trick mode playback.
Add GST_SEEK_FLAG_TRICKMODE_KEY_UNITS and
GST_SEEK_FLAG_TRICKMODE_NO_AUDIO, and rename GST_SEEK_FLAG_SKIP
to GST_SEEK_FLAG_TRICKMODE (with backwards compat define).

Do the same for the corresponding SEGMENT flags.

https://bugzilla.gnome.org/show_bug.cgi?id=735666
2015-01-27 01:51:58 +11:00
Evan Nemerson
e10266e3f3 docs: convert NULL, TRUE, and FALSE to %NULL, %TRUE, and %FALSE
This should help improve documentation generated for
languages other than C.

https://bugzilla.gnome.org/show_bug.cgi?id=730961
2014-05-30 00:20:27 +01:00
Tim-Philipp Müller
6eb6d9ec38 docs: remove outdated and pointless 'Last reviewed' lines from docs
They are very confusing for people, and more often than not
also just not very accurate. Seeing 'last reviewed: 2005' in
your docs is not very confidence-inspiring. Let's just remove
those comments.
2014-04-26 21:21:51 +01:00
Sebastian Dröge
1d6136b930 segment: gst_segment_offset_running_time() will be available in 1.2.3 2014-01-15 11:13:00 +01:00
Wim Taymans
f664fbd198 segment: take offset into account in _to_position()
Take the offset into account when converting between running-time and
segment positions.
2014-01-08 15:23:00 +01:00
Wim Taymans
dc0176e4a0 segment: add method to offset the segment running-time
Add a method that can apply an offset to the calculated running-time of
a segment.
2014-01-08 15:04:00 +01:00
Sebastian Rasmussen
53ae1b2c9c docs: Fix typos in function/object descriptions
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=720029
2013-12-07 17:11:12 +00:00
Mark Nauwelaerts
ebca6aa84f segment: resurrect sanitizing start and stop for seeking 2013-11-02 16:13:27 +01:00
Wim Taymans
95c6cd37a8 segment: don't WARN, just DEBUG
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=696911
2013-04-04 10:17:30 +02:00
Nicolas Dufresne
ab44e14c52 segment: Fix seeking when position is slightly outside the segment
Very often, when the end of a segment is detected by demuxer, the position
is slightly outside the segment boundaries. Currently, if that is the case
the base will be set to NONE instead of normal accumulation. This would
break non-flushing seeks in oggdemux and most likely other demuxers.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=696899
2013-04-04 10:10:24 +02:00
Stefan Sauer
82f7bdd7bb seeking: add more logging for seeking
Especially add logging to error code paths.
2013-02-27 22:17:17 +01:00
Tim-Philipp Müller
666c8c11c6 Fix FSF address
https://bugzilla.gnome.org/show_bug.cgi?id=687520
2012-11-03 20:44:48 +00:00
Jan Schmidt
1f1e4fc30c GstSegment: Fix doc description string last_stop->position 2012-08-31 06:25:37 -07:00
Wim Taymans
c8840b8270 segment: add offset field
Add an offset field that is used to track at what position the segment was
updated. This is used to set the running time to 0 when we do a flushing
seek that doesn't update the position.

See https://bugzilla.gnome.org/show_bug.cgi?id=680306
2012-07-27 17:09:45 +02:00
Wim Taymans
f05b0e222f Update for new seeking variable name
When seeking, the start value and type are now called start and start_type.
2012-07-27 15:24:52 +02:00
Wim Taymans
104ef4e7e0 segment: small cleanup
Move the code to update the segment at the end of the function.
2012-07-27 15:24:51 +02:00
Wim Taymans
90e32338c8 segment: remove redundant checks
We don't need to check the segment format anymore because we asserted on them
being equal before.
2012-07-27 13:02:52 +02:00
Wim Taymans
5360ba56f7 basesink: handle -1 step amounts
Define a 0 and -1 step amount. They used to almost do the same thing but now, 0
cancels/stops the current step and -1 keeps on stepping until the end of the
segment.

See https://bugzilla.gnome.org/show_bug.cgi?id=679378
2012-07-18 17:49:32 +02:00
Stefan Sauer
30c30ed171 segment: remove removed api from the docs. 2012-07-11 12:51:30 +02:00
Edward Hervey
d3ffa82639 Remove 0.10-related documentation and "Since" markers 2012-07-10 12:03:27 +02:00
Stefan Sauer
f165a77fdc segment: also copy the segment flag
Fixes segmented seeks (as tested e.g. in the adder tests in base).
2012-07-09 22:16:46 +02:00
Tim-Philipp Müller
49ea16e041 segment: make sure we don't have unmapped seek flags littering out segment flags
Make GstSeekFlag to GstSegmentFlag conversion explicit, and
set only those seek flags in the segment flags which are
mapped. This makes sure we don't have extraneous flags
littering our segment flag field, which also fixes the
debug printing/serialisation of segment events in the
debug log.
2012-07-04 16:16:04 +01:00
Wim Taymans
ce67b0e539 docs: update more documentation 2012-03-29 13:34:50 +02:00
Wim Taymans
afba547722 segment: don't use duration in clipping
Don't use the duration in the segment for calculating clipping values.
The duration is expressed in stream time and clipping is done on unrelated
timestamp values.
This used to be interesting for elements that used the segment structure to
implement seeking because then they would use stream-time for the segment
start/stop values and the duration could be used as a fallback when the stop
position was not set. Now that the complete segment event is passed between
elements we cannot do this anymore because some elements might store the
duration and start/stop values with different time bases in the segment.
2012-02-20 14:39:26 +01:00
Olivier Crête
e234a10c63 Use macros to register boxed types thread safely 2012-01-28 16:42:38 +00:00