On the blender side this commit fixes importing video files with audio
and video streams that do not share the same start time and duration.
Differential Revision: https://developer.blender.org/D12353
The duration and start time for audio strips were not correctly read in
audaspace.
Some video files have a "lead in" section of audio that plays before the
video starts playing back. Before this patch, we would play this lead in
audio at the same time as the video started and thus the audio would not
be in sync anymore.
Now the lead in audio is cut off and the duration should be correctly
calculated with this in mind.
If the audio starts after the video, the audio strip is shifted to
account for this, but it will also lead to cut off audio which might not
be wanted. However we don't have a simple way to solve this at this
point.
Differential Revision: http://developer.blender.org/D11917
In some cases, users start video editing work from General template,
where Filmic view transform is chosen by default. Currently, this causes
issue when working with sRGB footage, which are not properly decoded
into linear working space and final render looks miscolored.
When adding first strip, check it's colorspace and if it corresponds to
colorspace for byte images, ensure that view transform is set to
default value, which is Standard.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D11151
This function can be used to create empty meta strip, which is not
straightforward when using operators. Very useful for import/export
scripts.
Reviewed By: ISS
Differential Revision: https://developer.blender.org/D10661
Isolate RNA and operator logic from functions that create strips.
- Operator specific code was removed from `SeqLoadInfo` structure and
`SEQ_add_*` functions.
- Strip loading code was removed from RNA and operator functions.
- `SEQ_add_*` API was unified to work on `SeqLoadData` struct.
Only exception is image strip, which require files to be loaded
separately to strip creation itself. This is not ideal, but I think
it's acceptable.
- Some functions and variables were refactored so the code reads
better.
There are minor functional changes (coincidental bugfixes):
- Operator errors are reported per-strip. Previously they were not
reported at all?
- `new_sound()` RNA API function now create sound with length of 1
if source file does not exist. Previously it created strip with
length of 0.
- Replace selection operator property wasn't working correctly.
Fixed in this patch.
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D9760
