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gtkglsink: expose the created display and context correctly

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1. Propagate the GstGLDisplay we create
2. Add the created GstGLContext to the propagated GstGLDisplay

Otherwise with multi-branch GL pipelines involving gtkglsink, things
will fall apart and errors will be genarated somewhere.
This commit is contained in:
Matthew Waters 2017-09-01 15:00:12 +10:00 committed by Tim-Philipp Müller
parent b9a2c64d8d
commit 143f9abf49
2 changed files with 7 additions and 3 deletions
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7
gst-libs/gst/gl/gstglutils.c
View file

@ -218,8 +218,9 @@ gst_gl_context_query (GstElement * element)
/* 4) Create a context by itself and post a GST_MESSAGE_HAVE_CONTEXT /* 4) Create a context by itself and post a GST_MESSAGE_HAVE_CONTEXT
* message. * message.
*/ */
static void void
gst_gl_display_context_propagate (GstElement * element, GstGLDisplay * display) gst_gl_element_propagate_display_context (GstElement * element,
GstGLDisplay * display)
{ {
GstContext *context; GstContext *context;
GstMessage *msg; GstMessage *msg;
@ -295,7 +296,7 @@ gst_gl_ensure_element_data (gpointer element, GstGLDisplay ** display_ptr,
*display_ptr = display; *display_ptr = display;
gst_gl_display_context_propagate (element, display); gst_gl_element_propagate_display_context (element, display);
get_gl_context: get_gl_context:
if (*other_context_ptr) if (*other_context_ptr)

3
gst-libs/gst/gl/gstglutils.h
View file

@ -41,6 +41,9 @@ GST_EXPORT
gboolean gst_gl_query_local_gl_context (GstElement * element, GstPadDirection direction, gboolean gst_gl_query_local_gl_context (GstElement * element, GstPadDirection direction,
GstGLContext ** context_ptr); GstGLContext ** context_ptr);
GST_EXPORT
void gst_gl_element_propagate_display_context (GstElement * element, GstGLDisplay * display);
GST_EXPORT GST_EXPORT
gsize gst_gl_get_plane_data_size (GstVideoInfo * info, GstVideoAlignment * align, gsize gst_gl_get_plane_data_size (GstVideoInfo * info, GstVideoAlignment * align,
guint plane); guint plane);