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[898/906] glimagesink: add an other-context property

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Allows applications to provide us with an OpenGL context with which
to share with.
This commit is contained in:
Matthew Waters 2014-03-06 18:11:22 +11:00
parent 105cfa62fc
commit ab963a755d
2 changed files with 26 additions and 5 deletions
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29
gst/gl/gstglimagesink.c
View File

@ -183,7 +183,8 @@ enum
PROP_CLIENT_DRAW_CALLBACK, PROP_CLIENT_DRAW_CALLBACK,
PROP_CLIENT_DATA, PROP_CLIENT_DATA,
PROP_FORCE_ASPECT_RATIO, PROP_FORCE_ASPECT_RATIO,
PROP_PIXEL_ASPECT_RATIO PROP_PIXEL_ASPECT_RATIO,
PROP_OTHER_CONTEXT
}; };
#define gst_glimage_sink_parent_class parent_class #define gst_glimage_sink_parent_class parent_class
@ -244,6 +245,12 @@ gst_glimage_sink_class_init (GstGLImageSinkClass * klass)
"Sink/Video", "A videosink based on OpenGL", "Sink/Video", "A videosink based on OpenGL",
"Julien Isorce <julien.isorce@gmail.com>"); "Julien Isorce <julien.isorce@gmail.com>");
g_object_class_install_property (gobject_class, PROP_OTHER_CONTEXT,
g_param_spec_object ("other-context",
"External OpenGL context",
"Give an external OpenGL context with which to share textures",
GST_GL_TYPE_CONTEXT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
gst_element_class_add_pad_template (element_class, gst_element_class_add_pad_template (element_class,
gst_static_pad_template_get (&gst_glimage_sink_template)); gst_static_pad_template_get (&gst_glimage_sink_template));
@ -322,6 +329,13 @@ gst_glimage_sink_set_property (GObject * object, guint prop_id,
glimage_sink->par_d = gst_value_get_fraction_denominator (value); glimage_sink->par_d = gst_value_get_fraction_denominator (value);
break; break;
} }
case PROP_OTHER_CONTEXT:
{
if (glimage_sink->other_context)
gst_object_unref (glimage_sink->other_context);
glimage_sink->other_context = g_value_dup_object (value);
break;
}
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -364,6 +378,9 @@ gst_glimage_sink_get_property (GObject * object, guint prop_id,
case PROP_PIXEL_ASPECT_RATIO: case PROP_PIXEL_ASPECT_RATIO:
gst_value_set_fraction (value, glimage_sink->par_n, glimage_sink->par_d); gst_value_set_fraction (value, glimage_sink->par_n, glimage_sink->par_d);
break; break;
case PROP_OTHER_CONTEXT:
g_value_set_object (value, glimage_sink->other_context);
break;
default: default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break; break;
@ -380,7 +397,8 @@ _ensure_gl_setup (GstGLImageSink * gl_sink)
if (!gl_sink->context) { if (!gl_sink->context) {
gl_sink->context = gst_gl_context_new (gl_sink->display); gl_sink->context = gst_gl_context_new (gl_sink->display);
if (!gst_gl_context_create (gl_sink->context, NULL, &error)) if (!gst_gl_context_create (gl_sink->context, gl_sink->other_context,
&error))
goto context_error; goto context_error;
} }
@ -498,9 +516,10 @@ gst_glimage_sink_change_state (GstElement * element, GstStateChange transition)
gst_gl_window_set_window_handle (window, glimage_sink->window_id); gst_gl_window_set_window_handle (window, glimage_sink->window_id);
} }
if (!gst_gl_context_create (glimage_sink->context, 0, &error)) { if (!gst_gl_context_create (glimage_sink->context,
GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND, glimage_sink->other_context, &error)) {
("%s", error->message), (NULL)); GST_ELEMENT_ERROR (glimage_sink, RESOURCE, NOT_FOUND, ("%s",
error->message), (NULL));
if (glimage_sink->display) { if (glimage_sink->display) {
gst_object_unref (glimage_sink->display); gst_object_unref (glimage_sink->display);

2
gst/gl/gstglimagesink.h
View File

@ -62,6 +62,8 @@ struct _GstGLImageSink
GstGLDisplay *display; GstGLDisplay *display;
GstGLContext *context; GstGLContext *context;
GstGLContext *other_context;
GstGLUpload *upload; GstGLUpload *upload;
GLuint tex_id; GLuint tex_id;