/* GStreamer

 * Copyright (C)  2005 Wim Taymans <wim@fluendo.com>

 *

 * gstalsasink.h: 

 *

 * 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 __GST_ALSASINK_H__

#define __GST_ALSASINK_H__

#include <gst/gst.h>

#include <gst/audio/audio.h>

#include <alsa/asoundlib.h>

G_BEGIN_DECLS

#define GST_TYPE_ALSA_SINK            (gst_alsasink_get_type())

#define GST_ALSA_SINK(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSA_SINK,GstAlsaSink))

#define GST_ALSA_SINK_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSA_SINK,GstAlsaSinkClass))

#define GST_IS_ALSA_SINK(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSA_SINK))

#define GST_IS_ALSA_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSA_SINK))

#define GST_ALSA_SINK_CAST(obj)       ((GstAlsaSink *) (obj))

typedef struct _GstAlsaSink GstAlsaSink;

typedef struct _GstAlsaSinkClass GstAlsaSinkClass;

#define GST_ALSA_SINK_GET_LOCK(obj)	(&GST_ALSA_SINK_CAST (obj)->alsa_lock)

#define GST_ALSA_SINK_LOCK(obj)	    (g_mutex_lock (GST_ALSA_SINK_GET_LOCK (obj)))

#define GST_ALSA_SINK_UNLOCK(obj)   (g_mutex_unlock (GST_ALSA_SINK_GET_LOCK (obj)))

#define GST_DELAY_SINK_GET_LOCK(obj)	(&GST_ALSA_SINK_CAST (obj)->delay_lock)

#define GST_DELAY_SINK_LOCK(obj)	        (g_mutex_lock (GST_DELAY_SINK_GET_LOCK (obj)))

#define GST_DELAY_SINK_UNLOCK(obj)	(g_mutex_unlock (GST_DELAY_SINK_GET_LOCK (obj)))

/**

 * GstAlsaSink:

 *

 * Opaque data structure

 */

struct _GstAlsaSink {

  GstAudioSink    sink;

  gchar                 *device;

  snd_pcm_t             *handle;

  snd_pcm_access_t access;

  snd_pcm_format_t format;

  guint rate;

  guint channels;

  gint bpf;

  gboolean iec958;

  gboolean need_swap;

  guint buffer_time;

  guint period_time;

  snd_pcm_uframes_t buffer_size;

  snd_pcm_uframes_t period_size;

  GstCaps *cached_caps;

  GMutex alsa_lock;

  GMutex delay_lock;

};

struct _GstAlsaSinkClass {

  GstAudioSinkClass parent_class;

};

GType gst_alsasink_get_type(void);

G_END_DECLS

#endif /* __GST_ALSASINK_H__ */