1 files changed, 113 insertions, 0 deletions
diff --git a/sys/dxr3/dxr3audiosink.h b/sys/dxr3/dxr3audiosink.h
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+++ b/sys/dxr3/dxr3audiosink.h
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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__ */