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video: add define for video formats supported by the overlay blending code

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For use in template caps by overlay elements that use
video_overlay_composition_blend().

API: GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS

https://bugzilla.gnome.org/show_bug.cgi?id=665751
This commit is contained in:
Tim-Philipp Müller 2013-02-19 12:46:14 +00:00
parent 20d2a60977
commit 0b329f2c22
3 changed files with 19 additions and 0 deletions
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2
docs/libs/gst-plugins-base-libs-sections.txt
View file

@ -2293,6 +2293,8 @@ gst_video_overlay_composition_get_rectangle
gst_video_overlay_composition_get_seqnum
gst_video_overlay_composition_copy
gst_video_overlay_composition_make_writable
GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS
gst_video_overlay_composition_blend
<SUBSECTION composition-set-get>

4
gst-libs/gst/video/video-overlay-composition.c
View file

@ -438,6 +438,10 @@ gst_video_overlay_rectangle_needs_scaling (GstVideoOverlayRectangle * r)
* contained in @video_buf. The data in @video_buf must be writable and
* mapped appropriately.
*/
/* FIXME: formats with more than 8 bit per component which get unpacked into
* ARGB64 or AYUV64 (such as v210, v216, UYVP, GRAY16_LE and GRAY16_BE)
* are not supported yet by the code in video-blend.c.
*/
gboolean
gst_video_overlay_composition_blend (GstVideoOverlayComposition * comp,
GstVideoFrame * video_buf)

13
gst-libs/gst/video/video-overlay-composition.h
View file

@ -119,6 +119,19 @@ typedef enum {
*/
#define GST_VIDEO_OVERLAY_COMPOSITION_FORMAT_YUV GST_VIDEO_FORMAT_AYUV
/**
* GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS:
*
* Video formats supported by gst_video_overlay_composition_blend(), for
* use in overlay elements' pad template caps.
*
* Since: 1.2
*/
#define GST_VIDEO_OVERLAY_COMPOSITION_BLEND_FORMATS \
"{ BGRx, RGBx, xRGB, xBGR, RGBA, BGRA, ARGB, ABGR, RGB, BGR," \
" I420, YV12, AYUV, YUY2, UYVY, v308, Y41B, Y42B, Y444," \
" NV12, NV21, A420, YUV9, YVU9, IYU1, GRAY8 }"
GType gst_video_overlay_rectangle_get_type (void);
GstVideoOverlayRectangle * gst_video_overlay_rectangle_new_raw (GstBuffer * pixels,