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gst: Implement SPA_META_VideoTransform support

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Many Gstreamer elements support transforming buffers via the
`image-orientation` tag. Use it to implement support for the new
VideoTransform meta.

In order for Gstreamer pipelines to enable support for these tags
usually the rotate method has to be set to `auto` or `automatic`,
e.g. `videoflip method=automatic`, `glimagesink rotate-method=automatic`
or `waylandsink rotate-method=auto`.
This commit is contained in:
Robert Mader 2022-12-03 23:20:52 +01:00
parent fa799aac86
commit 2ed7afb76c
4 changed files with 52 additions and 2 deletions
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2
src/gst/gstpipewiresrc.h
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@ -95,6 +95,8 @@ struct _GstPipeWireSrc {
GstPipeWirePool *pool;
GstClock *clock;
GstClockTime last_time;
enum spa_meta_videotransform_value transform_value;
};
struct _GstPipeWireSrcClass {