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/* GStreamer
* Copyright (C) 2003 Martin Soto <martinsoto@users.sourceforge.net>
*
* dxr3audiosink.h: Audio sink for em8300 based DVD cards.
*
* 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 __DXR3AUDIOSINK_H__
#define __DXR3AUDIOSINK_H__
#include <gst/gst.h>
#include "ac3_padder.h"
G_BEGIN_DECLS
#define GST_TYPE_DXR3AUDIOSINK \
(dxr3audiosink_get_type())
#define DXR3AUDIOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DXR3AUDIOSINK,Dxr3AudioSink))
#define DXR3AUDIOSINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DXR3AUDIOSINK,Dxr3AudioSinkClass))
#define GST_IS_DXR3AUDIOSINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DXR3AUDIOSINK))
#define GST_IS_DXR3AUDIOSINK_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DXR3AUDIOSINK))
typedef struct _Dxr3AudioSink Dxr3AudioSink;
typedef struct _Dxr3AudioSinkClass Dxr3AudioSinkClass;
typedef enum {
DXR3AUDIOSINK_OPEN = GST_ELEMENT_FLAG_LAST,
DXR3AUDIOSINK_FLAG_LAST = GST_ELEMENT_FLAG_LAST + 2,
} Dxr3AudioSinkFlags;
/* PCM or AC3? */
typedef enum {
DXR3AUDIOSINK_MODE_NONE, /* No mode set. */
DXR3AUDIOSINK_MODE_AC3, /* AC3 out. */
DXR3AUDIOSINK_MODE_PCM, /* PCM out. */
} Dxr3AudioSinkMode;
/* Information for a delayed SCR set operation. */
typedef struct {
struct _Dxr3AudioSink *sink;
guint32 scr;
} Dxr3AudioSinkDelayedSCR;
struct _Dxr3AudioSink {
GstElement element;
GstPad *pcm_sinkpad; /* The AC3 audio sink pad. */
GstPad *ac3_sinkpad; /* The PCM audio sink pad. */
int card_number; /* The number of the card to open. */
gchar *audio_filename; /* File name for the audio device. */
int audio_fd; /* File descriptor for the audio device. */
gchar *control_filename; /* File name for the control device. */
int control_fd; /* File descriptor for the control
device. */
guint64 scr; /* The current System Reference Clock value
for the audio stream. */
gboolean digital_pcm; /* Should PCM use the digital or the
analog output? */
Dxr3AudioSinkMode mode; /* The current sound output mode. */
gint rate; /* The sampling rate for PCM sound. */
ac3_padder *padder; /* AC3 to SPDIF padder object. */
GstClock *clock; /* The clock for this element. */
};
struct _Dxr3AudioSinkClass {
GstElementClass parent_class;
/* signals */
void (*flushed) (Dxr3AudioSink *sink);
};
extern GType dxr3audiosink_get_type (void);
extern gboolean dxr3audiosink_factory_init (GstPlugin *plugin);
G_END_DECLS
#endif /* __DXR3AUDIOINK_H__ */
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