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/* Based on a plugin from Martin Soto's Seamless DVD Player.
* Copyright (C) 2003, 2004 Martin Soto <martinsoto@users.sourceforge.net>
* 2005-6 Michael Smith <msmith@fluendo.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __ALSASPDIFSINK_H__
#define __ALSASPDIFSINK_H__
#include <gst/gst.h>
#define ALSA_PCM_NEW_HW_PARAMS_API
#define ALSA_PCM_NEW_SW_PARAMS_API
#include <alsa/asoundlib.h>
G_BEGIN_DECLS
#define GST_TYPE_ALSASPDIFSINK \
(alsaspdifsink_get_type())
#define ALSASPDIFSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_ALSASPDIFSINK,AlsaSPDIFSink))
#define ALSASPDIFSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_ALSASPDIFSINK,AlsaSPDIFSinkClass))
#define GST_IS_ALSASPDIFSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_ALSASPDIFSINK))
#define GST_IS_ALSASPDIFSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_ALSASPDIFSINK))
#define GST_TYPE_ALSASPDIFSINK (alsaspdifsink_get_type())
typedef struct _AlsaSPDIFSink AlsaSPDIFSink;
typedef struct _AlsaSPDIFSinkClass AlsaSPDIFSinkClass;
typedef enum {
ALSASPDIFSINK_OPEN = GST_ELEMENT_FLAG_LAST,
ALSASPDIFSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
} AlsaSPDIFSinkFlags;
/* ALSA spdif types. */
enum {
SPDIF_NONE = 0,
SPDIF_CON,
SPDIF_PRO,
SPDIF_PCM
};
struct _AlsaSPDIFSink {
GstBaseSink basesink;
GstClockTime cur_ts; /* Current time stamp. */
snd_pcm_t *pcm; /* ALSA output device. */
gint card; /* ALSA card number to use */
char *device; /* ALSA device name */
GstClock *clock; /* The clock for this element. */
guint64 frames; /* Number of complete frames written */
gboolean need_swap; /* Whether to byte swap outgoing data */
gint rate; /* Sampling rate of data */
};
struct _AlsaSPDIFSinkClass {
GstBaseSinkClass parent_class;
};
extern GType alsaspdifsink_get_type (void);
G_END_DECLS
#endif /* __DXR3AUDIOINK_H__ */
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