/* GStreamer

 * Copyright (C)  2005 Sebastien Moutte <sebastien@moutte.net>

 * Copyright (C) 2007 Pioneers of the Inevitable <songbird@songbirdnest.com>

 * Copyright (C) 2010 Fluendo S.A. <support@fluendo.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., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, 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/audio.h>

#include <gst/audio/gstaudiosink.h>

#include <windows.h>

#include <dsound.h>

#include <mmreg.h> 

#include <ks.h> 

#include <ksmedia.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;

  gboolean mute;

  /* current directsound device ID */

  gchar * device_id;

  GstCaps *cached_caps;

  /* lock used to protect writes and resets */

  GMutex dsound_lock;

  GstClock *system_clock;

  GstClockID write_wait_clock_id;

  gboolean reset_while_sleeping;

  gboolean first_buffer_after_reset;

  GstAudioRingBufferFormatType type;

};

struct _GstDirectSoundSinkClass

{

  GstAudioSinkClass parent_class;

};

GType gst_directsound_sink_get_type (void);

#define GST_DIRECTSOUND_SINK_CAPS "audio/x-raw, " \

        "format = (string) S16LE, " \

        "layout = (string) interleaved, " \

        "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; " \

        "audio/x-raw, " \

        "format = (string) U8, " \

        "layout = (string) interleaved, " \

        "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ];" \

        "audio/x-ac3, framed = (boolean) true;" \

        "audio/x-dts, framed = (boolean) true;"

G_END_DECLS

#endif /* __GST_DIRECTSOUNDSINK_H__ */