glviewconvert: wait and set the gl sync meta on buffers
This may be a cause of out-of-place frames when transforming multiview
buffers.
diff --git a/gst-libs/gst/gl/gstglviewconvert.c b/gst-libs/gst/gl/gstglviewconvert.c
index d56714a..9c0dc44 100644
--- a/gst-libs/gst/gl/gstglviewconvert.c
+++ b/gst-libs/gst/gl/gstglviewconvert.c
@@ -37,14 +37,8 @@
#include <gst/video/gstvideoaffinetransformationmeta.h>
-#include "gstglcontext.h"
-#include "gstglframebuffer.h"
-#include "gstglmemory.h"
-#include "gstglshader.h"
-#include "gstglshaderstrings.h"
-#include "gstglsl.h"
+#include "gl.h"
#include "gstglsl_private.h"
-#include "gstglslstage.h"
#include "gstglutils_private.h"
#define USING_OPENGL(context) (gst_gl_context_check_gl_version (context, GST_GL_API_OPENGL, 1, 0))
@@ -2017,6 +2011,7 @@
gint in_views, out_views;
GstVideoMultiviewMode in_mode;
GstVideoMultiviewMode out_mode;
+ GstGLSyncMeta *sync_meta;
out_width = GST_VIDEO_INFO_WIDTH (&viewconvert->out_info);
out_height = GST_VIDEO_INFO_HEIGHT (&viewconvert->out_info);
@@ -2149,6 +2144,18 @@
}
priv->n_out_tex = out_views;
+ if (priv->primary_in) {
+ if ((sync_meta = gst_buffer_get_gl_sync_meta (priv->primary_in))) {
+ gst_gl_sync_meta_wait (sync_meta, context);
+ }
+ }
+
+ if (priv->auxilliary_in) {
+ if ((sync_meta = gst_buffer_get_gl_sync_meta (priv->auxilliary_in))) {
+ gst_gl_sync_meta_wait (sync_meta, context);
+ }
+ }
+
GST_LOG_OBJECT (viewconvert, "multiview splitting to textures:%p,%p,%p,%p "
"dimensions:%ux%u, from textures:%p,%p,%p,%p dimensions:%ux%u",
priv->out_tex[0], priv->out_tex[1],
@@ -2200,6 +2207,17 @@
gst_buffer_replace (&priv->auxilliary_out, NULL);
}
+ if (priv->primary_out) {
+ if ((sync_meta = gst_buffer_add_gl_sync_meta (context, priv->primary_out)))
+ gst_gl_sync_meta_set_sync_point (sync_meta, context);
+ }
+
+ if (priv->auxilliary_out) {
+ if ((sync_meta =
+ gst_buffer_add_gl_sync_meta (context, priv->auxilliary_out)))
+ gst_gl_sync_meta_set_sync_point (sync_meta, context);
+ }
+
priv->result = res;
return;
}