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/* GStreamer
*
* Copyright (C) 2014-2015 Sebastian Dröge <sebastian@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.
*/
/**
* SECTION:gstplayer-videooverlayvideorenderer
* @short_description: Player Video Overlay Video Renderer
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstplayer-video-overlay-video-renderer.h"
#include "gstplayer.h"
#include <gst/video/video.h>
struct _GstPlayerVideoOverlayVideoRenderer
{
GObject parent;
GstVideoOverlay *video_overlay;
gpointer window_handle;
};
struct _GstPlayerVideoOverlayVideoRendererClass
{
GObjectClass parent_class;
};
static void
gst_player_video_overlay_video_renderer_interface_init
(GstPlayerVideoRendererInterface * iface);
enum
{
VIDEO_OVERLAY_VIDEO_RENDERER_PROP_0,
VIDEO_OVERLAY_VIDEO_RENDERER_PROP_WINDOW_HANDLE,
VIDEO_OVERLAY_VIDEO_RENDERER_PROP_LAST
};
G_DEFINE_TYPE_WITH_CODE (GstPlayerVideoOverlayVideoRenderer,
gst_player_video_overlay_video_renderer, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (GST_TYPE_PLAYER_VIDEO_RENDERER,
gst_player_video_overlay_video_renderer_interface_init));
static GParamSpec
* video_overlay_video_renderer_param_specs
[VIDEO_OVERLAY_VIDEO_RENDERER_PROP_LAST] = { NULL, };
static void
gst_player_video_overlay_video_renderer_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec)
{
GstPlayerVideoOverlayVideoRenderer *self =
GST_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER (object);
switch (prop_id) {
case VIDEO_OVERLAY_VIDEO_RENDERER_PROP_WINDOW_HANDLE:
self->window_handle = g_value_get_pointer (value);
if (self->video_overlay)
gst_video_overlay_set_window_handle (self->video_overlay,
(guintptr) self->window_handle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_player_video_overlay_video_renderer_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec)
{
GstPlayerVideoOverlayVideoRenderer *self =
GST_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER (object);
switch (prop_id) {
case VIDEO_OVERLAY_VIDEO_RENDERER_PROP_WINDOW_HANDLE:
g_value_set_pointer (value, self->window_handle);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_player_video_overlay_video_renderer_finalize (GObject * object)
{
GstPlayerVideoOverlayVideoRenderer *self =
GST_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER (object);
if (self->video_overlay)
gst_object_unref (self->video_overlay);
G_OBJECT_CLASS
(gst_player_video_overlay_video_renderer_parent_class)->finalize (object);
}
static void
gst_player_video_overlay_video_renderer_class_init
(GstPlayerVideoOverlayVideoRendererClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property =
gst_player_video_overlay_video_renderer_set_property;
gobject_class->get_property =
gst_player_video_overlay_video_renderer_get_property;
gobject_class->finalize = gst_player_video_overlay_video_renderer_finalize;
video_overlay_video_renderer_param_specs
[VIDEO_OVERLAY_VIDEO_RENDERER_PROP_WINDOW_HANDLE] =
g_param_spec_pointer ("window-handle", "Window Handle",
"Window handle to embed the video into",
G_PARAM_READWRITE | G_PARAM_CONSTRUCT | G_PARAM_STATIC_STRINGS);
g_object_class_install_properties (gobject_class,
VIDEO_OVERLAY_VIDEO_RENDERER_PROP_LAST,
video_overlay_video_renderer_param_specs);
}
static void
gst_player_video_overlay_video_renderer_init
(G_GNUC_UNUSED GstPlayerVideoOverlayVideoRenderer * self)
{
}
static GstElement *gst_player_video_overlay_video_renderer_create_video_sink
(GstPlayerVideoRenderer * iface, GstPlayer * player)
{
GstElement *video_overlay;
GstPlayerVideoOverlayVideoRenderer *self =
GST_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER (iface);
if (self->video_overlay)
gst_object_unref (self->video_overlay);
video_overlay = gst_player_get_pipeline (player);
g_return_val_if_fail (GST_IS_VIDEO_OVERLAY (video_overlay), NULL);
self->video_overlay = GST_VIDEO_OVERLAY (video_overlay);
gst_video_overlay_set_window_handle (self->video_overlay,
(guintptr) self->window_handle);
return NULL;
}
static void
gst_player_video_overlay_video_renderer_interface_init
(GstPlayerVideoRendererInterface * iface)
{
iface->create_video_sink =
gst_player_video_overlay_video_renderer_create_video_sink;
}
/**
* gst_player_video_overlay_video_renderer_new:
* @window_handle: (allow-none): Window handle to use or %NULL
*
* Returns: (transfer full):
*/
GstPlayerVideoRenderer *
gst_player_video_overlay_video_renderer_new (gpointer window_handle)
{
return g_object_new (GST_TYPE_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER,
"window-handle", window_handle, NULL);
}
/**
* gst_player_video_overlay_video_renderer_set_window_handle:
* @self: #GstPlayerVideoRenderer instance
* @window_handle: handle referencing to the platform specific window
*
* Sets the platform specific window handle into which the video
* should be rendered
**/
void gst_player_video_overlay_video_renderer_set_window_handle
(GstPlayerVideoOverlayVideoRenderer * self, gpointer window_handle)
{
g_return_if_fail (GST_IS_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER (self));
g_object_set (self, "window-handle", window_handle, NULL);
}
/**
* gst_player_video_overlay_video_renderer_get_window_handle:
* @self: #GstPlayerVideoRenderer instance
*
* Returns: (transfer none): The currently set, platform specific window
* handle
*/
gpointer
gst_player_video_overlay_video_renderer_get_window_handle
(GstPlayerVideoOverlayVideoRenderer * self) {
gpointer window_handle;
g_return_val_if_fail (GST_IS_PLAYER_VIDEO_OVERLAY_VIDEO_RENDERER (self),
NULL);
g_object_get (self, "window-handle", &window_handle, NULL);
return window_handle;
}
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