gl: move control binding proxy implementation from glvideomixer

Other elements may need to use it's functionality
This commit is contained in:
Matthew Waters 2016-01-27 19:56:36 +11:00 committed by Tim-Philipp Müller
parent e3f53deb32
commit 2cef90184e
5 changed files with 248 additions and 168 deletions

View file

@ -137,151 +137,6 @@ gst_gl_video_mixer_blend_function_get_type (void)
return mixer_blend_function_type;
}
typedef struct _GstGLMixerControlBindingProxy GstGLMixerControlBindingProxy;
typedef struct _GstGLMixerControlBindingProxyClass
GstGLMixerControlBindingProxyClass;
struct _GstGLMixerControlBindingProxy
{
GstControlBinding parent;
GstObject *ref_object;
const gchar *property_name;
};
struct _GstGLMixerControlBindingProxyClass
{
GstControlBindingClass parent_class;
};
GType gst_gl_mixer_control_binding_proxy_get_type (void);
#define GST_TYPE_GL_MIXER_CONTROL_BINDING \
(gst_gl_mixer_control_binding_proxy_get_type())
G_DEFINE_TYPE (GstGLMixerControlBindingProxy,
gst_gl_mixer_control_binding_proxy, GST_TYPE_CONTROL_BINDING);
static void
gst_gl_mixer_control_binding_proxy_init (GstGLMixerControlBindingProxy * self)
{
}
static gboolean
gst_gl_mixer_control_binding_proxy_sync_values (GstControlBinding * binding,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
{
GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
gboolean ret = TRUE;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_sync_values (ref_binding, self->ref_object,
timestamp, last_sync);
gst_object_unref (ref_binding);
}
return ret;
}
static GValue *
gst_gl_mixer_control_binding_proxy_get_value (GstControlBinding * binding,
GstClockTime timestamp)
{
GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
GValue *ret = NULL;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_get_value (ref_binding, timestamp);
gst_object_unref (ref_binding);
}
return ret;
}
static gboolean
gst_gl_mixer_control_binding_proxy_get_value_array (GstControlBinding * binding,
GstClockTime timestamp, GstClockTime interval, guint n_values,
gpointer values)
{
GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
gboolean ret = FALSE;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_get_value_array (ref_binding, timestamp,
interval, n_values, values);
gst_object_unref (ref_binding);
}
return ret;
}
static gboolean
gst_gl_mixer_control_binding_proxy_get_g_value_array (GstControlBinding *
binding, GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
GstGLMixerControlBindingProxy *self = (GstGLMixerControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
gboolean ret = FALSE;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_get_g_value_array (ref_binding, timestamp,
interval, n_values, values);
gst_object_unref (ref_binding);
}
return ret;
}
static void
gst_gl_mixer_control_binding_proxy_class_init
(GstGLMixerControlBindingProxyClass * klass)
{
GstControlBindingClass *cb_class = GST_CONTROL_BINDING_CLASS (klass);
cb_class->sync_values = gst_gl_mixer_control_binding_proxy_sync_values;
cb_class->get_value = gst_gl_mixer_control_binding_proxy_get_value;
cb_class->get_value_array =
gst_gl_mixer_control_binding_proxy_get_value_array;
cb_class->get_g_value_array =
gst_gl_mixer_control_binding_proxy_get_g_value_array;
}
static GstControlBinding *
gst_gl_mixer_control_binding_proxy_new (GstObject * object,
const gchar * property_name, GstObject * ref_object,
const gchar * ref_property_name)
{
GstGLMixerControlBindingProxy *self =
g_object_new (GST_TYPE_GL_MIXER_CONTROL_BINDING, "object", object,
"name", property_name, NULL);
self->ref_object = ref_object;
self->property_name = ref_property_name;
return (GstControlBinding *) self;
}
#define DEFAULT_PAD_XPOS 0
#define DEFAULT_PAD_YPOS 0
#define DEFAULT_PAD_WIDTH 0
@ -475,35 +330,44 @@ _create_video_mixer_input (GstGLMixerBin * self, GstPad * mixer_pad)
g_object_new (gst_gl_video_mixer_input_get_type (), "name",
GST_OBJECT_NAME (mixer_pad), "direction", GST_PAD_DIRECTION (mixer_pad),
NULL);
GstControlBinding *cb;
if (!gst_ghost_pad_construct (GST_GHOST_PAD (input))) {
gst_object_unref (input);
return NULL;
}
#define ADD_PROXY_CONTROL_BINDING(prop) \
cb = gst_gl_mixer_control_binding_proxy_new (GST_OBJECT (mixer_pad), \
prop, GST_OBJECT (input), prop); \
gst_object_add_control_binding (GST_OBJECT (mixer_pad), cb)
ADD_PROXY_CONTROL_BINDING ("zorder");
ADD_PROXY_CONTROL_BINDING ("xpos");
ADD_PROXY_CONTROL_BINDING ("ypos");
ADD_PROXY_CONTROL_BINDING ("width");
ADD_PROXY_CONTROL_BINDING ("height");
ADD_PROXY_CONTROL_BINDING ("alpha");
ADD_PROXY_CONTROL_BINDING ("blend-equation-rgb");
ADD_PROXY_CONTROL_BINDING ("blend-equation-alpha");
ADD_PROXY_CONTROL_BINDING ("blend-function-src-rgb");
ADD_PROXY_CONTROL_BINDING ("blend-function-src-alpha");
ADD_PROXY_CONTROL_BINDING ("blend-function-dst-rgb");
ADD_PROXY_CONTROL_BINDING ("blend-function-dst-alpha");
ADD_PROXY_CONTROL_BINDING ("blend-constant-color-red");
ADD_PROXY_CONTROL_BINDING ("blend-constant-color-green");
ADD_PROXY_CONTROL_BINDING ("blend-constant-color-blue");
ADD_PROXY_CONTROL_BINDING ("blend-constant-color-alpha");
#undef ADD_PROXY_CONTROL_BINDING
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "zorder");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "xpos");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "ypos");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "width");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "height");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "alpha");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-equation-rgb");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-equation-alpha");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-function-src-rgb");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-function-src-alpha");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-function-dst-rgb");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-function-dst-alpha");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-constant-color-red");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-constant-color-green");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-constant-color-blue");
gst_gl_object_add_control_binding_proxy (GST_OBJECT (mixer_pad),
GST_OBJECT (input), "blend-constant-color-alpha");
input->mixer_pad = mixer_pad;

View file

@ -35,6 +35,7 @@ libgstgl_@GST_API_VERSION@_la_SOURCES = \
gstglviewconvert.c \
gstgloverlaycompositor.c \
gstglquery.c \
gstglcontrolbindingproxy.c \
gstglsl_private.h \
utils/opengl_versions.h
@ -66,6 +67,7 @@ libgstgl_@GST_API_VERSION@include_HEADERS = \
gstglviewconvert.h \
gstgloverlaycompositor.h \
gstglquery.h \
gstglcontrolbindingproxy.h \
gstgl_fwd.h \
gstgl_enums.h \
gl.h

View file

@ -53,5 +53,6 @@
#include <gst/gl/gstglsyncmeta.h>
#include <gst/gl/gstgloverlaycompositor.h>
#include <gst/gl/gstglquery.h>
#include <gst/gl/gstglcontrolbindingproxy.h>
#endif /* __GST_GL_H__ */

View file

@ -0,0 +1,155 @@
/*
* GStreamer
* Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstglcontrolbindingproxy.h"
G_DEFINE_TYPE (GstGLControlBindingProxy,
gst_gl_control_binding_proxy, GST_TYPE_CONTROL_BINDING);
static void
gst_gl_control_binding_proxy_init (GstGLControlBindingProxy * self)
{
}
static gboolean
gst_gl_control_binding_proxy_sync_values (GstControlBinding * binding,
GstObject * object, GstClockTime timestamp, GstClockTime last_sync)
{
GstGLControlBindingProxy *self = (GstGLControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
gboolean ret = TRUE;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_sync_values (ref_binding, self->ref_object,
timestamp, last_sync);
gst_object_unref (ref_binding);
}
return ret;
}
static GValue *
gst_gl_control_binding_proxy_get_value (GstControlBinding * binding,
GstClockTime timestamp)
{
GstGLControlBindingProxy *self = (GstGLControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
GValue *ret = NULL;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_get_value (ref_binding, timestamp);
gst_object_unref (ref_binding);
}
return ret;
}
static gboolean
gst_gl_control_binding_proxy_get_value_array (GstControlBinding * binding,
GstClockTime timestamp, GstClockTime interval, guint n_values,
gpointer values)
{
GstGLControlBindingProxy *self = (GstGLControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
gboolean ret = FALSE;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_get_value_array (ref_binding, timestamp,
interval, n_values, values);
gst_object_unref (ref_binding);
}
return ret;
}
static gboolean
gst_gl_control_binding_proxy_get_g_value_array (GstControlBinding *
binding, GstClockTime timestamp, GstClockTime interval, guint n_values,
GValue * values)
{
GstGLControlBindingProxy *self = (GstGLControlBindingProxy *)
binding;
GstControlBinding *ref_binding;
gboolean ret = FALSE;
ref_binding = gst_object_get_control_binding (self->ref_object,
self->property_name);
if (ref_binding) {
ret = gst_control_binding_get_g_value_array (ref_binding, timestamp,
interval, n_values, values);
gst_object_unref (ref_binding);
}
return ret;
}
static void
gst_gl_control_binding_proxy_class_init
(GstGLControlBindingProxyClass * klass)
{
GstControlBindingClass *cb_class = GST_CONTROL_BINDING_CLASS (klass);
cb_class->sync_values = gst_gl_control_binding_proxy_sync_values;
cb_class->get_value = gst_gl_control_binding_proxy_get_value;
cb_class->get_value_array = gst_gl_control_binding_proxy_get_value_array;
cb_class->get_g_value_array = gst_gl_control_binding_proxy_get_g_value_array;
}
GstControlBinding *
gst_gl_control_binding_proxy_new (GstObject * object,
const gchar * property_name, GstObject * ref_object,
const gchar * ref_property_name)
{
GstGLControlBindingProxy *self =
g_object_new (GST_TYPE_GL_CONTROL_BINDING_PROXY, "object", object,
"name", property_name, NULL);
self->ref_object = ref_object;
self->property_name = ref_property_name;
return (GstControlBinding *) self;
}
void
gst_gl_object_add_control_binding_proxy (GstObject * object,
GstObject * ref_object, const gchar * prop)
{
GstControlBinding *cb;
cb = gst_gl_control_binding_proxy_new (object, prop, ref_object, prop);
gst_object_add_control_binding (object, cb);
}

View file

@ -0,0 +1,58 @@
/*
* GStreamer
* Copyright (C) 2016 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_GL_PROXY_CONTROL_BINDING_H__
#define __GST_GL_PROXY_CONTROL_BINDING_H__
#include <gst/gl/gl.h>
G_BEGIN_DECLS
GType gst_gl_control_binding_proxy_get_type (void);
#define GST_TYPE_GL_CONTROL_BINDING_PROXY (gst_gl_control_binding_proxy_get_type())
typedef struct _GstGLControlBindingProxy GstGLControlBindingProxy;
typedef struct _GstGLControlBindingProxyClass GstGLControlBindingProxyClass;
struct _GstGLControlBindingProxy
{
GstControlBinding parent;
GstObject *ref_object;
const gchar *property_name;
};
struct _GstGLControlBindingProxyClass
{
GstControlBindingClass parent_class;
};
GstControlBinding * gst_gl_control_binding_proxy_new (GstObject * object,
const gchar * property_name,
GstObject * ref_object,
const gchar * ref_property_name);
void gst_gl_object_add_control_binding_proxy (GstObject * object,
GstObject * ref_object,
const gchar * prop);
G_END_DECLS
#endif /* __GST_GL_PROXY_CONTROL_BINDING_H__ */