gstreamer/ges/ges-audio-source.h

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/* GStreamer Editing Services
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _GES_AUDIO_SOURCE
#define _GES_AUDIO_SOURCE
#include <glib-object.h>
#include <gst/gst.h>
#include <ges/ges-types.h>
#include <ges/ges-track-element.h>
#include <ges/ges-source.h>
G_BEGIN_DECLS
#define GES_TYPE_AUDIO_SOURCE ges_audio_source_get_type()
#define GES_AUDIO_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_AUDIO_SOURCE, GESAudioSource))
#define GES_AUDIO_SOURCE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_AUDIO_SOURCE, GESAudioSourceClass))
#define GES_IS_AUDIO_SOURCE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_AUDIO_SOURCE))
#define GES_IS_AUDIO_SOURCE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_AUDIO_SOURCE))
#define GES_AUDIO_SOURCE_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_AUDIO_SOURCE, GESAudioSourceClass))
typedef struct _GESAudioSourcePrivate GESAudioSourcePrivate;
/**
* GESAudioSource:
*
* Base class for audio sources
*/
struct _GESAudioSource {
/*< private >*/
GESSource parent;
GESAudioSourcePrivate *priv;
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING];
};
/**
* GESAudioSourceClass:
* @create_source: method to return the GstElement to put in the source topbin.
* Other elements will be queued, like a volume.
* In the case of a AudioUriSource, for example, the subclass will return a decodebin,
* and we will append a volume.
*/
struct _GESAudioSourceClass {
/*< private >*/
GESSourceClass parent_class;
/*< public >*/
GstElement* (*create_source) (GESTrackElement * object);
/*< private >*/
/* Padding for API extension */
gpointer _ges_reserved[GES_PADDING];
};
GST_EXPORT
GType ges_audio_source_get_type (void);
G_END_DECLS
#endif /* _GES_AUDIO_SOURCE */