mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-24 02:31:03 +00:00
125 lines
3.9 KiB
C
125 lines
3.9 KiB
C
/* 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.
|
|
*/
|
|
|
|
/* TODO: this class is nearly identical to the corresponding background
|
|
* source. Maybe we chould have a "GESTrackSilentAudioSource" that's shared
|
|
* among several timeline objects. There's no particular reason why the track
|
|
* object hierarchy has to be exactly parallel to the timeline object
|
|
* hierarchy. If anything, that's the motivation for separating them.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:ges-track-audio-title-source
|
|
* @short_description: silent audio source associated with stand-alone title
|
|
*/
|
|
|
|
#include "ges-internal.h"
|
|
#include "ges-track-object.h"
|
|
#include "ges-track-audio-title-source.h"
|
|
|
|
G_DEFINE_TYPE (GESTrackAudioTitleSource, ges_track_audio_title_src,
|
|
GES_TYPE_TRACK_TITLE_SOURCE);
|
|
|
|
enum
|
|
{
|
|
PROP_0,
|
|
};
|
|
|
|
static void ges_track_audio_title_src_dispose (GObject * object);
|
|
|
|
static void ges_track_audio_title_src_finalize (GObject * object);
|
|
|
|
static void ges_track_audio_title_src_get_property (GObject * object, guint
|
|
property_id, GValue * value, GParamSpec * pspec);
|
|
|
|
static void ges_track_audio_title_src_set_property (GObject * object, guint
|
|
property_id, const GValue * value, GParamSpec * pspec);
|
|
|
|
static GstElement *ges_track_audio_title_src_create_element (GESTrackTitleSource
|
|
* self);
|
|
|
|
static void
|
|
ges_track_audio_title_src_class_init (GESTrackAudioTitleSourceClass * 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_audio_title_src_get_property;
|
|
object_class->set_property = ges_track_audio_title_src_set_property;
|
|
object_class->dispose = ges_track_audio_title_src_dispose;
|
|
object_class->finalize = ges_track_audio_title_src_finalize;
|
|
|
|
bg_class->create_element = ges_track_audio_title_src_create_element;
|
|
}
|
|
|
|
static void
|
|
ges_track_audio_title_src_init (GESTrackAudioTitleSource * self)
|
|
{
|
|
}
|
|
|
|
static void
|
|
ges_track_audio_title_src_dispose (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (ges_track_audio_title_src_parent_class)->dispose (object);
|
|
}
|
|
|
|
static void
|
|
ges_track_audio_title_src_finalize (GObject * object)
|
|
{
|
|
G_OBJECT_CLASS (ges_track_audio_title_src_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
ges_track_audio_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_audio_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_audio_title_src_create_element (GESTrackTitleSource * self)
|
|
{
|
|
GstElement *ret;
|
|
ret = gst_element_factory_make ("audiotestsrc", NULL);
|
|
g_object_set (ret, "volume", (gdouble) 0, NULL);
|
|
return ret;
|
|
}
|
|
|
|
GESTrackAudioTitleSource *
|
|
ges_track_audio_title_source_new (void)
|
|
{
|
|
return g_object_new (GES_TYPE_TRACK_AUDIO_TITLE_SOURCE, NULL);
|
|
}
|