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/* GStreamer
* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
* Copyright (C) 2007 Pioneers of the Inevitable <songbird@songbirdnest.com>
*
* gstdirectsoundsink.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.
*
* The development of this code was made possible due to the involvement
* of Pioneers of the Inevitable, the creators of the Songbird Music player
*
*
*/
#ifndef __GST_DIRECTSOUNDSINK_H__
#define __GST_DIRECTSOUNDSINK_H__
#include <gst/gst.h>
#include <gst/audio/gstaudiosink.h>
#include <gst/interfaces/mixer.h>
#include <windows.h>
#include <dxerr9.h>
#include <dsound.h>
G_BEGIN_DECLS
#define GST_TYPE_DIRECTSOUND_SINK (gst_directsound_sink_get_type())
#define GST_DIRECTSOUND_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRECTSOUND_SINK,GstDirectSoundSink))
#define GST_DIRECTSOUND_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRECTSOUND_SINK,GstDirectSoundSinkClass))
#define GST_IS_DIRECTSOUND_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRECTSOUND_SINK))
#define GST_IS_DIRECTSOUND_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRECTSOUND_SINK))
typedef struct _GstDirectSoundSink GstDirectSoundSink;
typedef struct _GstDirectSoundSinkClass GstDirectSoundSinkClass;
#define GST_DSOUND_LOCK(obj) (g_mutex_lock (obj->dsound_lock))
#define GST_DSOUND_UNLOCK(obj) (g_mutex_unlock (obj->dsound_lock))
struct _GstDirectSoundSink
{
GstAudioSink sink;
/* directsound object interface pointer */
LPDIRECTSOUND pDS;
/* directsound sound object interface pointer */
LPDIRECTSOUNDBUFFER pDSBSecondary;
/* directSound buffer size */
guint buffer_size;
/* offset of the circular buffer where we must write next */
guint current_circular_offset;
guint bytes_per_sample;
/* current volume setup by mixer interface */
glong volume;
/* tracks list of our mixer interface implementation */
GList *tracks;
/* lock used to protect writes and resets */
GMutex *dsound_lock;
gboolean first_buffer_after_reset;
};
struct _GstDirectSoundSinkClass
{
GstAudioSinkClass parent_class;
};
GType gst_directsound_sink_get_type (void);
G_END_DECLS
#endif /* __GST_DIRECTSOUNDSINK_H__ */
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