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these should have been checked in before

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Brandon Lewis 2010-06-15 17:09:31 +02:00 committed by Edward Hervey
parent 643bcb7bcc
commit 0dac374785
2 changed files with 255 additions and 0 deletions
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175
ges/ges-track-video-title-source.c Normal file
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/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
* 2010 Nokia Corporation
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:ges-track-source
* @short_description: Base Class for single-media sources
*/
#include "ges-internal.h"
#include "ges-track-object.h"
#include "ges-track-video-title-source.h"
G_DEFINE_TYPE (GESTrackVideoTitleSource, ges_track_video_title_src,
GES_TYPE_TRACK_TITLE_SOURCE);
enum
{
PROP_0,
};
static void ges_track_video_title_src_dispose (GObject * object);
static void ges_track_video_title_src_finalize (GObject * object);
static void ges_track_video_title_src_get_property (GObject * object, guint
property_id, GValue * value, GParamSpec * pspec);
static void ges_track_video_title_src_set_property (GObject * object, guint
property_id, const GValue * value, GParamSpec * pspec);
static GstElement *ges_track_video_title_src_create_element (GESTrackTitleSource
* self);
static void
ges_track_video_title_src_class_init (GESTrackVideoTitleSourceClass * klass)
{
GObjectClass *object_class;
GESTrackTitleSourceClass *bg_class;
object_class = G_OBJECT_CLASS (klass);
bg_class = GES_TRACK_TITLE_SOURCE_CLASS (klass);
object_class->get_property = ges_track_video_title_src_get_property;
object_class->set_property = ges_track_video_title_src_set_property;
object_class->dispose = ges_track_video_title_src_dispose;
object_class->finalize = ges_track_video_title_src_finalize;
bg_class->create_element = ges_track_video_title_src_create_element;
}
static void
ges_track_video_title_src_init (GESTrackVideoTitleSource * self)
{
self->text = NULL;
self->text_el = NULL;
self->background_el = NULL;
}
static void
ges_track_video_title_src_dispose (GObject * object)
{
GESTrackVideoTitleSource *self = GES_TRACK_VIDEO_TITLE_SOURCE (object);
if (self->text) {
g_free (self->text);
}
if (self->text_el) {
g_object_unref (self->text_el);
self->text_el = NULL;
}
if (self->text_el) {
g_object_unref (self->text_el);
self->background_el = NULL;
}
G_OBJECT_CLASS (ges_track_video_title_src_parent_class)->dispose (object);
}
static void
ges_track_video_title_src_finalize (GObject * object)
{
G_OBJECT_CLASS (ges_track_video_title_src_parent_class)->finalize (object);
}
static void
ges_track_video_title_src_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_track_video_title_src_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static GstElement *
ges_track_video_title_src_create_element (GESTrackTitleSource * object)
{
GESTrackVideoTitleSource *self = GES_TRACK_VIDEO_TITLE_SOURCE (object);
GstElement *topbin, *background, *text;
GstPad *src;
topbin = gst_bin_new ("titlesrc-bin");
background = gst_element_factory_make ("videotestsrc", "titlesrc-bg");
text = gst_element_factory_make ("textoverlay", "titlsrc-text");
if (self->text) {
g_object_set (text, "text", self->text, NULL);
}
gst_bin_add_many (GST_BIN (topbin), background, text, NULL);
gst_element_link (background, text);
src = gst_ghost_pad_new ("src", gst_element_get_static_pad (text, "src"));
gst_element_add_pad (topbin, src);
g_object_ref (text);
g_object_ref (background);
self->text_el = text;
self->background_el = background;
return topbin;
}
/**
* ges_track_video_title_source_set_text:
* @self: the #GESTrackVideoTitleSource* to set text on
* @text: the text to render. an internal copy of this text will be
* made.
*
* Sets the text this track object will render.
*
*/
void
ges_track_video_title_source_set_text (GESTrackVideoTitleSource * self,
const gchar * text)
{
self->text = g_strdup (text);
g_object_set (self->text_el, "text", text, NULL);
}
GESTrackVideoTitleSource *
ges_track_video_title_source_new (void)
{
return g_object_new (GES_TYPE_TRACK_VIDEO_TITLE_SOURCE, NULL);
}

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ges/ges-track-video-title-source.h Normal file
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/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
* 2010 Nokia Corporation
*
* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef _GES_TRACK_VIDEO_TITLE_SOURCE
#define _GES_TRACK_VIDEO_TITLE_SOURCE
#include <glib-object.h>
#include <ges/ges-types.h>
#include <ges/ges-track-title-source.h>
G_BEGIN_DECLS
#define GES_TYPE_TRACK_VIDEO_TITLE_SOURCE ges_track_video_title_src_get_type()
#define GES_TRACK_VIDEO_TITLE_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_VIDEO_TITLE_SOURCE, GESTrackVideoTitleSource))
#define GES_TRACK_VIDEO_TITLE_SOURCE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_VIDEO_TITLE_SOURCE, GESTrackVideoTitleSourceClass))
#define GES_IS_TRACK_VIDEO_TITLE_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_VIDEO_TITLE_SOURCE))
#define GES_IS_TRACK_VIDEO_TITLE_SOURCE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_VIDEO_TITLE_SOURCE))
#define GES_TRACK_VIDEO_TITLE_SOURCE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_VIDEO_TITLE_SOURCE, GESTrackVideoTitleSourceClass))
/**
* GESTrackVideoTitleSource:
* @parent: parent
*
*/
struct _GESTrackVideoTitleSource {
GESTrackTitleSource parent;
/*< private >*/
gchar *text;
GstElement *text_el;
GstElement *background_el;
};
/**
* GESTrackVideoTitleSourceClass:
* @parent_class: parent class
*/
struct _GESTrackVideoTitleSourceClass {
GESTrackTitleSourceClass parent_class;
/*< private >*/
};
GType ges_track_video_title_src_get_type (void);
void ges_track_video_title_source_set_text(GESTrackVideoTitleSource *, const gchar *);
GESTrackVideoTitleSource* ges_track_video_title_source_new (void);
G_END_DECLS
#endif /* _GES_TRACK_VIDEO_TITLE_SOURCE */