Adds global signals for when a filter is added to or removed from a
source. These will be helpful for listening for changes to a sources
filters without having to attach and detach a signal handler, which
would be annoying in the context of for example context menus which
change sources rapidly.
To prevent sources from having to take too much extra consideration into
threading, defer the media control functions that directly affect
functionality to the video thread. Getters will still have to take
threading into account, but this should make things much more trivial
for media controls thread-wise.
(Lain note: Context: I noticed that things such as the slide show
require mutexes due to their media controls, and I felt that it was
largely unnecessary and that libobs should mitigate the threading issue
itself and keep it all in the video thread like it should be. Again, the
getters are still going to require *some* consideration into threading
but in terms of threading, for the type of stuff we're doing, querying
state is far more trivial to take into consideration.)
The OBS_SOURCE_CONTROLLABLE_MEDIA flag is required for controllable
media callbacks to be usable. These checks are being added so we can
defer most controllable media callbacks to the video thread.
If there is filter_remove, it is reasonable to expect that there is also
filter_add. filter_add also enables filters to attach signal handlers
on the parent, and disconnect them in filter_remove.
This changes the return type for getting the filter index from a
size_t to an int. This makes it easier for developers to use,
as an invalid index just returns a -1.
Placeholder sources are created when a plugin providing a source type is
unavailable. Since they're not marked as having audio any audio track
settings for them get lost. With this change we retain mixer information
if the source owns its id to avoid that.
New video formats introduced for ProRes 4444 encoding have not been
implemented in function calls used for video decoding, which makes the
switch statements non-exhaustive.
This does not functionally change the status quo (decoding ProRes 4444
files could still be broken because libobs does not explicitly handle
the colour format).
This reverts commit 90a409fe58.
Reverts #7077 for now. This really shouldn't be done so close to
release. This crash technically only happens under very niche scenarios,
and the fix seems to have some other potential issues. Prematurely
merged by Jim.
Only warn when the pointer provided to obs_source_release() is
non-NULL. In some custom usages of libobs, libobs may be freed before
OBS* smart pointers (like OBSSource) are destructed, leading to a
misleading warning if the pointers have already been cleared with
nullptr.
Previous behavior is basically:
- Clear OBS* pointers with nullptr
- Unload libobs
- Those smart pointers that were cleared will still call
obs_source_release() on destruct
- Warning appears
Timestamp of some of audio sources desync over the time and audio glitch
is suspected to be caused when the difference between `timestamp` and
`next_audio_ts_min` exceeds TS_SMOOTHING_THRESHOLD.
When such condition happens, leave a log message to investigate the
glitch of the audio.
HLG output uses MovieLabs-recommended procedure.
- If peak luminance is greater than 1000, use maxRGB EETF to 1000.
- Otherwise, don't tonemap.
- Then use normal HLG conversion procedure with gamma 1.2 (1000 nits).
