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glmixer: Add other-context property

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Sebastian Dröge 2014-10-13 11:53:47 +02:00 committed by Tim-Philipp Müller
parent 6d273084eb
commit 9d1df014fd
2 changed files with 40 additions and 3 deletions
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41
ext/gl/gstglmixer.c
View file

@ -182,7 +182,7 @@ gst_gl_mixer_propose_allocation (GstGLMixer * mix,
if (!mix->context) {
mix->context = gst_gl_context_new (mix->display);
if (!gst_gl_context_create (mix->context, NULL, &error))
if (!gst_gl_context_create (mix->context, mix->other_context, &error))
goto context_error;
}
@ -327,7 +327,8 @@ enum
enum
{
PROP_0
PROP_0,
PROP_OTHER_CONTEXT
};
static GstStaticPadTemplate src_factory = GST_STATIC_PAD_TEMPLATE ("src",
@ -403,6 +404,12 @@ gst_gl_mixer_class_init (GstGLMixerClass * klass)
gobject_class->get_property = gst_gl_mixer_get_property;
gobject_class->set_property = gst_gl_mixer_set_property;
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_static_pad_template_get (&src_factory));
gst_element_class_add_pad_template (element_class,
@ -642,6 +649,16 @@ gst_gl_mixer_decide_allocation (GstGLMixer * mix, GstQuery * query)
}
}
if (mix->other_context) {
if (!other_context) {
other_context = mix->other_context;
} else {
GST_ELEMENT_WARNING (mix, LIBRARY, SETTINGS,
("%s", "Cannot share with more than one GL context"),
("%s", "Cannot share with more than one GL context"));
}
}
if (!mix->context) {
mix->context = gst_gl_context_new (mix->display);
if (!gst_gl_context_create (mix->context, other_context, &error))
@ -998,7 +1015,12 @@ static void
gst_gl_mixer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstGLMixer *mix = GST_GL_MIXER (object);
switch (prop_id) {
case PROP_OTHER_CONTEXT:
g_value_set_object (value, mix->other_context);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1009,7 +1031,16 @@ static void
gst_gl_mixer_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstGLMixer *mix = GST_GL_MIXER (object);
switch (prop_id) {
case PROP_OTHER_CONTEXT:
{
if (mix->other_context)
gst_object_unref (mix->other_context);
mix->other_context = g_value_dup_object (value);
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@ -1110,6 +1141,12 @@ gst_gl_mixer_stop (GstAggregator * agg)
gst_object_unref (mix->context);
mix->context = NULL;
}
if (mix->other_context) {
gst_object_unref (mix->other_context);
mix->other_context = NULL;
}
gst_gl_mixer_reset (mix);
return TRUE;

2
ext/gl/gstglmixer.h
View file

@ -66,7 +66,7 @@ struct _GstGLMixer
GstGLDownload *download;
GstGLDisplay *display;
GstGLContext *context;
GstGLContext *context, *other_context;
GLuint fbo;
GLuint depthbuffer;