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glvideomixer: fix the default blend modes for unpremultipled alpha

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Alpha in GStreamer is unpremultiplied
This commit is contained in:
Matthew Waters 2018-10-04 23:45:49 +10:00
parent 2f88e2ae16
commit 89c14c955b
1 changed files with 1 additions and 1 deletions
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2
ext/gl/gstglvideomixer.c
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@ -162,7 +162,7 @@ gst_gl_video_mixer_blend_function_get_type (void)
#define DEFAULT_PAD_BLEND_EQUATION_RGB GST_GL_VIDEO_MIXER_BLEND_EQUATION_ADD
#define DEFAULT_PAD_BLEND_EQUATION_ALPHA GST_GL_VIDEO_MIXER_BLEND_EQUATION_ADD
#define DEFAULT_PAD_BLEND_FUNCTION_SRC_RGB GST_GL_VIDEO_MIXER_BLEND_FUNCTION_SRC_ALPHA
#define DEFAULT_PAD_BLEND_FUNCTION_SRC_ALPHA GST_GL_VIDEO_MIXER_BLEND_FUNCTION_SRC_ALPHA
#define DEFAULT_PAD_BLEND_FUNCTION_SRC_ALPHA GST_GL_VIDEO_MIXER_BLEND_FUNCTION_ONE
#define DEFAULT_PAD_BLEND_FUNCTION_DST_RGB GST_GL_VIDEO_MIXER_BLEND_FUNCTION_ONE_MINUS_SRC_ALPHA
#define DEFAULT_PAD_BLEND_FUNCTION_DST_ALPHA GST_GL_VIDEO_MIXER_BLEND_FUNCTION_ONE_MINUS_SRC_ALPHA