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gl: move control binding proxy implementation from glvideomixer
Other elements may need to use it's functionality
This commit is contained in:
Matthew Waters
parent
afdc81fe4d
commit
adec074d7e
1 changed files with 32 additions and 168 deletions
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@ -137,151 +137,6 @@ gst_gl_video_mixer_blend_function_get_type (void)
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return mixer_blend_function_type;
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}
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typedef struct _GstGLMixerControlBindingProxy GstGLMixerControlBindingProxy;
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typedef struct _GstGLMixerControlBindingProxyClass
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GstGLMixerControlBindingProxyClass;
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struct _GstGLMixerControlBindingProxy
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{
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GstControlBinding parent;
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GstObject *ref_object;
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const gchar *property_name;
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};
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struct _GstGLMixerControlBindingProxyClass
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{
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GstControlBindingClass parent_class;
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};
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GType gst_gl_mixer_control_binding_proxy_get_type (void);
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#define GST_TYPE_GL_MIXER_CONTROL_BINDING \
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(gst_gl_mixer_control_binding_proxy_get_type())
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G_DEFINE_TYPE (GstGLMixerControlBindingProxy,
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gst_gl_mixer_control_binding_proxy, GST_TYPE_CONTROL_BINDING);
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static void
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gst_gl_mixer_control_binding_proxy_init (GstGLMixerControlBindingProxy * self)
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{
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}
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static gboolean
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gst_gl_mixer_control_binding_proxy_sync_values (GstControlBinding * binding,
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GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
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{
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GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
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binding;
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GstControlBinding *ref_binding;
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gboolean ret = TRUE;
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ref_binding = gst_object_get_control_binding (self->ref_object,
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self->property_name);
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if (ref_binding) {
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ret = gst_control_binding_sync_values (ref_binding, self->ref_object,
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timestamp, last_sync);
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gst_object_unref (ref_binding);
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}
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return ret;
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}
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static GValue *
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gst_gl_mixer_control_binding_proxy_get_value (GstControlBinding * binding,
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GstClockTime timestamp)
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{
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GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
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binding;
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GstControlBinding *ref_binding;
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GValue *ret = NULL;
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ref_binding = gst_object_get_control_binding (self->ref_object,
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self->property_name);
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if (ref_binding) {
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ret = gst_control_binding_get_value (ref_binding, timestamp);
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gst_object_unref (ref_binding);
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}
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return ret;
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}
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static gboolean
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gst_gl_mixer_control_binding_proxy_get_value_array (GstControlBinding * binding,
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GstClockTime timestamp, GstClockTime interval, guint n_values,
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gpointer values)
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{
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GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
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binding;
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GstControlBinding *ref_binding;
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gboolean ret = FALSE;
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ref_binding = gst_object_get_control_binding (self->ref_object,
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self->property_name);
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if (ref_binding) {
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ret = gst_control_binding_get_value_array (ref_binding, timestamp,
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interval, n_values, values);
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gst_object_unref (ref_binding);
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}
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return ret;
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}
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static gboolean
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gst_gl_mixer_control_binding_proxy_get_g_value_array (GstControlBinding *
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binding, GstClockTime timestamp, GstClockTime interval, guint n_values,
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GValue * values)
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{
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GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
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binding;
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GstControlBinding *ref_binding;
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gboolean ret = FALSE;
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ref_binding = gst_object_get_control_binding (self->ref_object,
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self->property_name);
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if (ref_binding) {
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ret = gst_control_binding_get_g_value_array (ref_binding, timestamp,
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interval, n_values, values);
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gst_object_unref (ref_binding);
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}
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return ret;
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}
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static void
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gst_gl_mixer_control_binding_proxy_class_init
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(GstGLMixerControlBindingProxyClass * klass)
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{
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GstControlBindingClass *cb_class = GST_CONTROL_BINDING_CLASS (klass);
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cb_class->sync_values = gst_gl_mixer_control_binding_proxy_sync_values;
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cb_class->get_value = gst_gl_mixer_control_binding_proxy_get_value;
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cb_class->get_value_array =
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gst_gl_mixer_control_binding_proxy_get_value_array;
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cb_class->get_g_value_array =
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gst_gl_mixer_control_binding_proxy_get_g_value_array;
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}
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static GstControlBinding *
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gst_gl_mixer_control_binding_proxy_new (GstObject * object,
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const gchar * property_name, GstObject * ref_object,
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const gchar * ref_property_name)
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{
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GstGLMixerControlBindingProxy *self =
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g_object_new (GST_TYPE_GL_MIXER_CONTROL_BINDING, "object", object,
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"name", property_name, NULL);
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self->ref_object = ref_object;
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self->property_name = ref_property_name;
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return (GstControlBinding *) self;
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}
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#define DEFAULT_PAD_XPOS 0
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#define DEFAULT_PAD_YPOS 0
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#define DEFAULT_PAD_WIDTH 0
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@ -475,35 +330,44 @@ _create_video_mixer_input (GstGLMixerBin * self, GstPad * mixer_pad)
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g_object_new (gst_gl_video_mixer_input_get_type (), "name",
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GST_OBJECT_NAME (mixer_pad), "direction", GST_PAD_DIRECTION (mixer_pad),
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NULL);
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GstControlBinding *cb;
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if (!gst_ghost_pad_construct (GST_GHOST_PAD (input))) {
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gst_object_unref (input);
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return NULL;
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}
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#define ADD_PROXY_CONTROL_BINDING(prop) \
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cb = gst_gl_mixer_control_binding_proxy_new (GST_OBJECT (mixer_pad), \
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prop, GST_OBJECT (input), prop); \
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gst_object_add_control_binding (GST_OBJECT (mixer_pad), cb)
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ADD_PROXY_CONTROL_BINDING ("zorder");
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ADD_PROXY_CONTROL_BINDING ("xpos");
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ADD_PROXY_CONTROL_BINDING ("ypos");
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ADD_PROXY_CONTROL_BINDING ("width");
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ADD_PROXY_CONTROL_BINDING ("height");
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ADD_PROXY_CONTROL_BINDING ("alpha");
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ADD_PROXY_CONTROL_BINDING ("blend-equation-rgb");
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ADD_PROXY_CONTROL_BINDING ("blend-equation-alpha");
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ADD_PROXY_CONTROL_BINDING ("blend-function-src-rgb");
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ADD_PROXY_CONTROL_BINDING ("blend-function-src-alpha");
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ADD_PROXY_CONTROL_BINDING ("blend-function-dst-rgb");
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ADD_PROXY_CONTROL_BINDING ("blend-function-dst-alpha");
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ADD_PROXY_CONTROL_BINDING ("blend-constant-color-red");
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ADD_PROXY_CONTROL_BINDING ("blend-constant-color-green");
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ADD_PROXY_CONTROL_BINDING ("blend-constant-color-blue");
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ADD_PROXY_CONTROL_BINDING ("blend-constant-color-alpha");
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#undef ADD_PROXY_CONTROL_BINDING
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "zorder");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "xpos");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "ypos");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "width");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "height");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "alpha");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-equation-rgb");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-equation-alpha");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-function-src-rgb");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-function-src-alpha");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-function-dst-rgb");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-function-dst-alpha");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-constant-color-red");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-constant-color-green");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-constant-color-blue");
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gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
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GST_OBJECT (input), "blend-constant-color-alpha");
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input->mixer_pad = mixer_pad;
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