By default, video track output full HD@30fps, this makes the behaviour
of clip position much more understandable and guarantess that we
always have a framerate.
The user can modify the values whenever he wants
Basically we were advertising that the source size would be the
size of the track if it hadn't been defined by end user, but since
we started to let scaling happen in the compositor, this is not true
as the source size is now the natural size of the underlying video
stream.
Remove the unit test and reimplemented using a validate scenario which
make the test much simpler to read :=)
Basically we know that if we are using mixing, compositor will be
able to do video conversion and scaling for us, so avoid adding those
usless elements.
This optimizes a lot caps negotiation for deeply nested timelines.
In general, brought the behaviour of the `start`, `duration` and
`inpoint` setters in line with each other. In particular:
1. fixed return value the GESSourceClip `duration` setter
2. changed the GESClip `start` setter
3. fixed the inpoint callback for GESContainer
4. changed the type of `res` in GESTimelineElement to be gint to
emphasise that the GES library is using the hack that a return of -1
from klass->set_duration means no notify signal should be sent out.
Also added a new test for clips to ensure that the setters work for
clips within and outside of timelines, and that the `start`, `inpoint`
and `duration` of a clip will match its children.
By passing NULL to `g_signal_new` instead of a marshaller, GLib will
actually internally optimize the signal (if the marshaller is available
in GLib itself) by also setting the valist marshaller. This makes the
signal emission a bit more performant than the regular marshalling,
which still needs to box into `GValue` and call libffi in case of a
generic marshaller.
Note that for custom marshallers, one would use
`g_signal_set_va_marshaller()` with the valist marshaller instead.
We clearly uniquely identify assets by both their IDs and their
extractable type, and we should make sure that you can have a
TrackElement and a Clip with the same ID.
There is one exception in our implementation which is GESFormatter
because we treat their subclasses as 1 type with different IDs.
Corrected typo that attached project_loaded_cb, rather than error_loading_asset_cb, to ::error-loading-asset, which meant data.error would be left unset if an error occurred in loading.
ges-xml-formatter.c: In function ‘_parse_asset’:
ges-xml-formatter.c:357:7: error: ‘gst_uri_construct’ is deprecated: Use 'gst_uri_new' instead [-Werror=deprecated-declarations]
357 | id = gst_uri_construct ("file", subproj_data->filename);
| ^~
ges-uri-asset.c: In function ‘create_discoverer’:
ges-uri-asset.c:53:1: error: old-style function definition [-Werror=old-style-definition]
53 | create_discoverer ()
| ^~~~~~~~~~~~~~~~~
ges-uri-asset.c: In function ‘get_discoverer’:
ges-uri-asset.c:67:1: error: old-style function definition [-Werror=old-style-definition]
67 | get_discoverer ()
| ^~~~~~~~~~~~~~
CC libges_1.0_la-ges-auto-transition.lo
ges-asset.c: In function ‘_get_type_entries’:
ges-asset.c:489:1: error: old-style function definition [-Werror=old-style-definition]
489 | _get_type_entries ()
| ^~~~~~~~~~~~~~~~~
