mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 06:16:36 +00:00
112 lines
3.3 KiB
C
112 lines
3.3 KiB
C
/* 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., 51 Franklin St, Fifth Floor,
|
|
* Boston, MA 02110-1301, 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(klass) \
|
|
(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 << 0),
|
|
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);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __DXR3AUDIOINK_H__ */
|