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glimagesink: make multiview none equivalent to mono

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Fixes the internal viewconvert to not scale buffers for output with the
following pipeline:

gltestsrc ! glimagesink

It also fixes overlay composition with a resized output with an OpenGL
upstream:

gltestsrc ! timeoverlay ! glimagesink
This commit is contained in:
Matthew Waters 2018-10-05 00:48:58 +10:00
parent 452d90a88c
commit 6e591403a7
1 changed files with 14 additions and 1 deletions
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15
ext/gl/gstglimagesink.c
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@ -1378,6 +1378,19 @@ configure_display_from_info (GstGLImageSink * glimage_sink,
return TRUE;
}
static gboolean
_mview_modes_are_equal (GstVideoMultiviewMode a, GstVideoMultiviewMode b)
{
if (a == b)
return TRUE;
if (a == GST_VIDEO_MULTIVIEW_MODE_NONE && b == GST_VIDEO_MULTIVIEW_MODE_MONO)
return TRUE;
if (a == GST_VIDEO_MULTIVIEW_MODE_MONO && b == GST_VIDEO_MULTIVIEW_MODE_NONE)
return TRUE;
return FALSE;
}
/* Called with GST_GLIMAGE_SINK lock held, to
* copy in_info to out_info and update out_caps */
static gboolean
@ -1397,7 +1410,7 @@ update_output_format (GstGLImageSink * glimage_sink)
mv_mode = GST_VIDEO_INFO_MULTIVIEW_MODE (&glimage_sink->in_info);
if (glimage_sink->mview_output_mode != mv_mode) {
if (!_mview_modes_are_equal (glimage_sink->mview_output_mode, mv_mode)) {
/* Input is multiview, and output wants a conversion - configure 3d converter now,
* otherwise defer it until either the caps or the 3D output mode changes */
gst_video_multiview_video_info_change_mode (out_info,