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/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_ALSASINK_H__
#define __GST_ALSASINK_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiosink.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)))
/**
* GstAlsaSink:
*
* Opaque data structure
*/
struct _GstAlsaSink {
GstAudioSink sink;
gchar *device;
snd_pcm_t *handle;
snd_pcm_hw_params_t *hwparams;
snd_pcm_sw_params_t *swparams;
snd_pcm_access_t access;
snd_pcm_format_t format;
guint rate;
guint channels;
gint bytes_per_sample;
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;
};
struct _GstAlsaSinkClass {
GstAudioSinkClass parent_class;
};
GType gst_alsasink_get_type(void);
G_END_DECLS
#endif /* __GST_ALSASINK_H__ */
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