mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-27 04:01:08 +00:00
109 lines
3 KiB
C
109 lines
3 KiB
C
/* GStreamer Editing Services
|
|
* Copyright (C) <2013> Thibault Saunier <thibault.saunier@collabora.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: ges-audio-track:
|
|
* @short_description: A standard GESTrack for raw audio
|
|
*/
|
|
|
|
#define DEFAULT_CAPS "audio/x-raw"
|
|
|
|
#include "ges-smart-adder.h"
|
|
#include "ges-audio-track.h"
|
|
|
|
struct _GESAudioTrackPrivate
|
|
{
|
|
gpointer nothing;
|
|
};
|
|
|
|
G_DEFINE_TYPE (GESAudioTrack, ges_audio_track, GES_TYPE_TRACK);
|
|
|
|
/****************************************************
|
|
* Private methods and utils *
|
|
****************************************************/
|
|
static GstElement *
|
|
create_element_for_raw_audio_gap (GESTrack * track)
|
|
{
|
|
GstElement *elem;
|
|
|
|
elem = gst_element_factory_make ("audiotestsrc", NULL);
|
|
g_object_set (elem, "wave", 4, NULL);
|
|
|
|
return elem;
|
|
}
|
|
|
|
|
|
/****************************************************
|
|
* GObject vmethods implementations *
|
|
****************************************************/
|
|
|
|
static void
|
|
ges_audio_track_init (GESAudioTrack * self)
|
|
{
|
|
self->priv = G_TYPE_INSTANCE_GET_PRIVATE ((self), GES_TYPE_AUDIO_TRACK,
|
|
GESAudioTrackPrivate);
|
|
}
|
|
|
|
static void
|
|
ges_audio_track_finalize (GObject * object)
|
|
{
|
|
/* TODO: Add deinitalization code here */
|
|
|
|
G_OBJECT_CLASS (ges_audio_track_parent_class)->finalize (object);
|
|
}
|
|
|
|
static void
|
|
ges_audio_track_class_init (GESAudioTrackClass * klass)
|
|
{
|
|
GObjectClass *object_class = G_OBJECT_CLASS (klass);
|
|
/* GESTrackClass *parent_class = GES_TRACK_CLASS (klass);
|
|
*/
|
|
|
|
g_type_class_add_private (klass, sizeof (GESAudioTrackPrivate));
|
|
|
|
object_class->finalize = ges_audio_track_finalize;
|
|
|
|
GES_TRACK_CLASS (klass)->get_mixing_element = ges_smart_adder_new;
|
|
}
|
|
|
|
/****************************************************
|
|
* API implementation *
|
|
****************************************************/
|
|
/**
|
|
* ges_audio_track_new:
|
|
*
|
|
* Creates a new #GESAudioTrack of type #GES_TRACK_TYPE_AUDIO and with generic
|
|
* raw audio caps ("audio/x-raw");
|
|
*
|
|
* Returns: A new #GESTrack
|
|
*/
|
|
GESAudioTrack *
|
|
ges_audio_track_new (void)
|
|
{
|
|
GESAudioTrack *ret;
|
|
GstCaps *caps = gst_caps_from_string (DEFAULT_CAPS);
|
|
|
|
ret = g_object_new (GES_TYPE_AUDIO_TRACK, "caps", caps,
|
|
"track-type", GES_TRACK_TYPE_AUDIO, NULL);
|
|
|
|
ges_track_set_create_element_for_gap_func (GES_TRACK (ret),
|
|
create_element_for_raw_audio_gap);
|
|
|
|
return ret;
|
|
}
|