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authorSébastien Moutte <sebastien@moutte.net>2006-01-05 23:17:44 +0000
committerSébastien Moutte <sebastien@moutte.net>2006-01-05 23:17:44 +0000
commitce77e3b44bc291c54039918f2136dff8b44a4c9f (patch)
tree3b864c966f590ca4c7b5fb36d304b4943d83eee5 /sys/directsound
parent18378238d823fc5712e0d8605531ad5f7f5d6c1c (diff)
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added sys/directdraw added sys/directsound added win32/vs6/gst_plugins_bad.dsw added win32/vs6/libgstdirectsound.dsp ...
Original commit message from CVS: 2006-01-05 Sebastien Moutte <sebastien@moutte.net> * added sys/directdraw * added sys/directsound * added win32/vs6/gst_plugins_bad.dsw * added win32/vs6/libgstdirectsound.dsp * added win32/vs6/libgstdirectdraw.dsp * added win32/common/config.h
Diffstat (limited to 'sys/directsound')
-rw-r--r--sys/directsound/gstdirectsoundplugin.c43
-rw-r--r--sys/directsound/gstdirectsoundsink.c421
-rw-r--r--sys/directsound/gstdirectsoundsink.h68
3 files changed, 532 insertions, 0 deletions
diff --git a/sys/directsound/gstdirectsoundplugin.c b/sys/directsound/gstdirectsoundplugin.c
new file mode 100644
index 00000000..c789b2bf
--- /dev/null
+++ b/sys/directsound/gstdirectsoundplugin.c
@@ -0,0 +1,43 @@
+/* GStreamer
+* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
+*
+* gstdirectsoundplugin.c:
+*
+* 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.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstdirectsoundsink.h"
+
+
+static gboolean
+plugin_init (GstPlugin * plugin)
+{
+ if (!gst_element_register (plugin, "directsoundsink", GST_RANK_NONE,
+ GST_TYPE_DIRECTSOUND_SINK))
+ return FALSE;
+
+ return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "directsound",
+ "DIRECTSOUND plugin library",
+ plugin_init, VERSION, "LGPL", GST_PACKAGE, GST_ORIGIN)
diff --git a/sys/directsound/gstdirectsoundsink.c b/sys/directsound/gstdirectsoundsink.c
new file mode 100644
index 00000000..3d7ab997
--- /dev/null
+++ b/sys/directsound/gstdirectsoundsink.c
@@ -0,0 +1,421 @@
+/* GStreamer
+* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
+*
+* gstdirectsoundsink.c:
+*
+* 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.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "gstdirectsoundsink.h"
+
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <string.h>
+
+GST_DEBUG_CATEGORY_STATIC (directsoundsink_debug);
+#define GST_CAT_DEFAULT directsoundsink_debug
+
+/* elementfactory information */
+static GstElementDetails gst_directsoundsink_details =
+GST_ELEMENT_DETAILS ("Audio Sink (DIRECTSOUND)",
+ "Sink/Audio",
+ "Output to a sound card via DIRECTSOUND",
+ "Sebastien Moutte <sebastien@moutte.net>");
+
+static void gst_directsoundsink_base_init (gpointer g_class);
+static void gst_directsoundsink_class_init (GstDirectSoundSinkClass * klass);
+static void gst_directsoundsink_init (GstDirectSoundSink * alsasink);
+static void gst_directsoundsink_dispose (GObject * object);
+static void gst_directsoundsink_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_directsoundsink_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+
+static GstCaps *gst_directsoundsink_getcaps (GstBaseSink * bsink);
+
+static gboolean gst_directsoundsink_prepare (GstAudioSink * asink,
+ GstRingBufferSpec * spec);
+static gboolean gst_directsoundsink_unprepare (GstAudioSink * asink);
+
+static gboolean gst_directsoundsink_open (GstAudioSink * asink);
+static gboolean gst_directsoundsink_close (GstAudioSink * asink);
+static guint gst_directsoundsink_write (GstAudioSink * asink, gpointer data,
+ guint length);
+static guint gst_directsoundsink_delay (GstAudioSink * asink);
+static void gst_directsoundsink_reset (GstAudioSink * asink);
+
+
+static GstStaticPadTemplate directsoundsink_sink_factory =
+ GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS ("audio/x-raw-int, "
+ "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, "
+ "signed = (boolean) { TRUE, FALSE }, "
+ "width = (int) 16, "
+ "depth = (int) 16, "
+ "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]; "
+ "audio/x-raw-int, "
+ "signed = (boolean) { TRUE, FALSE }, "
+ "width = (int) 8, "
+ "depth = (int) 8, "
+ "rate = (int) [ 1, MAX ], " "channels = (int) [ 1, 2 ]"));
+
+static void
+_do_init (GType directsoundsink_type)
+{
+ GST_DEBUG_CATEGORY_INIT (directsoundsink_debug, "directsoundsink", 0,
+ "DirectSound sink");
+}
+
+GST_BOILERPLATE_FULL (GstDirectSoundSink, gst_directsoundsink, GstAudioSink,
+ GST_TYPE_AUDIO_SINK, _do_init);
+
+static void
+gst_directsoundsink_dispose (GObject * object)
+{
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+gst_directsoundsink_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+
+ gst_element_class_set_details (element_class, &gst_directsoundsink_details);
+
+ gst_element_class_add_pad_template (element_class,
+ gst_static_pad_template_get (&directsoundsink_sink_factory));
+}
+
+static void
+gst_directsoundsink_class_init (GstDirectSoundSinkClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSinkClass *gstbasesink_class;
+ GstBaseAudioSinkClass *gstbaseaudiosink_class;
+ GstAudioSinkClass *gstaudiosink_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesink_class = (GstBaseSinkClass *) klass;
+ gstbaseaudiosink_class = (GstBaseAudioSinkClass *) klass;
+ gstaudiosink_class = (GstAudioSinkClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_DIRECTSOUND_SINK);
+
+ gobject_class->dispose = GST_DEBUG_FUNCPTR (gst_directsoundsink_dispose);
+ gobject_class->get_property =
+ GST_DEBUG_FUNCPTR (gst_directsoundsink_get_property);
+ gobject_class->set_property =
+ GST_DEBUG_FUNCPTR (gst_directsoundsink_set_property);
+
+ gstbasesink_class->get_caps = GST_DEBUG_FUNCPTR (gst_directsoundsink_getcaps);
+
+ gstaudiosink_class->prepare = GST_DEBUG_FUNCPTR (gst_directsoundsink_prepare);
+ gstaudiosink_class->unprepare =
+ GST_DEBUG_FUNCPTR (gst_directsoundsink_unprepare);
+ gstaudiosink_class->open = GST_DEBUG_FUNCPTR (gst_directsoundsink_open);
+ gstaudiosink_class->close = GST_DEBUG_FUNCPTR (gst_directsoundsink_close);
+ gstaudiosink_class->write = GST_DEBUG_FUNCPTR (gst_directsoundsink_write);
+
+ gstaudiosink_class->delay = GST_DEBUG_FUNCPTR (gst_directsoundsink_delay);
+ gstaudiosink_class->reset = GST_DEBUG_FUNCPTR (gst_directsoundsink_reset);
+}
+
+static void
+gst_directsoundsink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstDirectSoundSink *dsoundsink;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_directsoundsink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstDirectSoundSink *dsoundsink;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (object);
+
+ switch (prop_id) {
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_directsoundsink_init (GstDirectSoundSink * dsoundsink,
+ GstDirectSoundSinkClass g_class)
+{
+ GST_DEBUG ("initializing directsoundsink");
+
+ dsoundsink->pDS = NULL;
+ dsoundsink->pDSBSecondary = NULL;
+ dsoundsink->current_circular_offset = 0;
+ dsoundsink->buffer_size = DSBSIZE_MIN;
+}
+
+static GstCaps *
+gst_directsoundsink_getcaps (GstBaseSink * bsink)
+{
+ GstDirectSoundSink *dsoundsink;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (bsink);
+
+ return
+ gst_caps_copy (gst_pad_get_pad_template_caps (GST_BASE_SINK_PAD
+ (dsoundsink)));
+}
+
+static gboolean
+gst_directsoundsink_open (GstAudioSink * asink)
+{
+ GstDirectSoundSink *dsoundsink;
+ HRESULT hRes;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ /* create and initialize a DirecSound object */
+ if (FAILED (hRes = DirectSoundCreate (NULL, &dsoundsink->pDS, NULL))) {
+ GST_ELEMENT_ERROR (dsoundsink, RESOURCE, OPEN_READ,
+ ("gst_directsoundsink_open: DirectSoundCreate: %s",
+ DXGetErrorString9 (hRes)), (NULL));
+ return FALSE;
+ }
+
+ if (FAILED (hRes =
+ IDirectSound_SetCooperativeLevel (dsoundsink->pDS,
+ GetDesktopWindow (), DSSCL_PRIORITY))) {
+ GST_ELEMENT_ERROR (dsoundsink, RESOURCE, OPEN_READ,
+ ("gst_directsoundsink_open: IDirectSound_SetCooperativeLevel: %s",
+ DXGetErrorString9 (hRes)), (NULL));
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_directsoundsink_prepare (GstAudioSink * asink, GstRingBufferSpec * spec)
+{
+ GstDirectSoundSink *dsoundsink;
+ HRESULT hRes;
+ DSBUFFERDESC descSecondary;
+ WAVEFORMATEX wfx;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ /*save number of bytes per sample */
+ dsoundsink->bytes_per_sample = spec->bytes_per_sample;
+
+ /* fill the WAVEFORMATEX struture with spec params */
+ memset (&wfx, 0, sizeof (wfx));
+ wfx.cbSize = sizeof (wfx);
+ wfx.wFormatTag = WAVE_FORMAT_PCM;
+ wfx.nChannels = spec->channels;
+ wfx.nSamplesPerSec = spec->rate;
+ wfx.wBitsPerSample = (spec->bytes_per_sample * 8) / wfx.nChannels;
+ wfx.nBlockAlign = spec->bytes_per_sample;
+ wfx.nAvgBytesPerSec = wfx.nSamplesPerSec * wfx.nBlockAlign;
+
+
+ GST_DEBUG
+ ("GstRingBufferSpec->channels: %d, GstRingBufferSpec->rate: %d, GstRingBufferSpec->bytes_per_sample: %d\n"
+ "WAVEFORMATEX.nSamplesPerSec: %ld, WAVEFORMATEX.wBitsPerSample: %d, WAVEFORMATEX.nBlockAlign: %d, WAVEFORMATEX.nAvgBytesPerSec: %ld\n",
+ spec->channels, spec->rate, spec->bytes_per_sample, wfx.nSamplesPerSec,
+ wfx.wBitsPerSample, wfx.nBlockAlign, wfx.nAvgBytesPerSec);
+
+ /* directsound buffer size can handle 2 secs of the stream */
+ dsoundsink->buffer_size = wfx.nAvgBytesPerSec / 2;
+
+ /* create a secondary directsound buffer */
+ memset (&descSecondary, 0, sizeof (DSBUFFERDESC));
+ descSecondary.dwSize = sizeof (DSBUFFERDESC);
+ descSecondary.dwFlags = DSBCAPS_GETCURRENTPOSITION2 |
+ DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLVOLUME;
+
+ descSecondary.dwBufferBytes = dsoundsink->buffer_size;
+ descSecondary.lpwfxFormat = (WAVEFORMATEX *) & wfx;
+
+ hRes = IDirectSound_CreateSoundBuffer (dsoundsink->pDS, &descSecondary,
+ &dsoundsink->pDSBSecondary, NULL);
+ if (FAILED (hRes)) {
+ GST_ELEMENT_ERROR (dsoundsink, RESOURCE, OPEN_READ,
+ ("gst_directsoundsink_prepare: IDirectSound_CreateSoundBuffer: %s",
+ DXGetErrorString9 (hRes)), (NULL));
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+gst_directsoundsink_unprepare (GstAudioSink * asink)
+{
+ GstDirectSoundSink *dsoundsink;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ /* release secondary DirectSound buffer */
+ if (dsoundsink->pDSBSecondary)
+ IDirectSoundBuffer_Release (dsoundsink->pDSBSecondary);
+
+ return TRUE;
+}
+
+static gboolean
+gst_directsoundsink_close (GstAudioSink * asink)
+{
+ GstDirectSoundSink *dsoundsink = NULL;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ /* release DirectSound object */
+ g_return_val_if_fail (dsoundsink->pDS != NULL, FALSE);
+ IDirectSound_Release (dsoundsink->pDS);
+
+ return TRUE;
+}
+
+
+static guint
+gst_directsoundsink_write (GstAudioSink * asink, gpointer data, guint length)
+{
+ GstDirectSoundSink *dsoundsink;
+ DWORD dwStatus;
+ HRESULT hRes;
+ LPVOID pLockedBuffer1 = NULL, pLockedBuffer2 = NULL;
+ DWORD dwSizeBuffer1, dwSizeBuffer2;
+ DWORD dwCurrentPlayCursor;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ /* get current buffer status */
+ hRes = IDirectSoundBuffer_GetStatus (dsoundsink->pDSBSecondary, &dwStatus);
+
+ /* get current play cursor position */
+ hRes = IDirectSoundBuffer_GetCurrentPosition (dsoundsink->pDSBSecondary,
+ &dwCurrentPlayCursor, NULL);
+ if (SUCCEEDED (hRes) && (dwStatus & DSBSTATUS_PLAYING)) {
+ DWORD dwFreeBufferSize;
+
+ calculate_freesize:
+ /* calculate the free size of the circular buffer */
+ if (dwCurrentPlayCursor < dsoundsink->current_circular_offset)
+ dwFreeBufferSize =
+ dsoundsink->buffer_size - (dsoundsink->current_circular_offset -
+ dwCurrentPlayCursor);
+ else
+ dwFreeBufferSize =
+ dwCurrentPlayCursor - dsoundsink->current_circular_offset;
+
+ if (length >= dwFreeBufferSize) {
+ Sleep (100);
+ hRes = IDirectSoundBuffer_GetCurrentPosition (dsoundsink->pDSBSecondary,
+ &dwCurrentPlayCursor, NULL);
+ goto calculate_freesize;
+ }
+ }
+
+ if (dwStatus & DSBSTATUS_BUFFERLOST) {
+ hRes = IDirectSoundBuffer_Restore (dsoundsink->pDSBSecondary); /*need a loop waiting the buffer is restored?? */
+
+ dsoundsink->current_circular_offset = 0;
+ }
+
+ hRes = IDirectSoundBuffer_Lock (dsoundsink->pDSBSecondary,
+ dsoundsink->current_circular_offset, length, &pLockedBuffer1,
+ &dwSizeBuffer1, &pLockedBuffer2, &dwSizeBuffer2, 0L);
+
+ if (SUCCEEDED (hRes)) {
+ // Write to pointers without reordering.
+ memcpy (pLockedBuffer1, data, dwSizeBuffer1);
+ if (pLockedBuffer2 != NULL)
+ memcpy (pLockedBuffer2, (LPBYTE) data + dwSizeBuffer1, dwSizeBuffer2);
+
+ // Update where the buffer will lock (for next time)
+ dsoundsink->current_circular_offset += dwSizeBuffer1 + dwSizeBuffer2;
+ dsoundsink->current_circular_offset %= dsoundsink->buffer_size; /* Circular buffer */
+
+ hRes = IDirectSoundBuffer_Unlock (dsoundsink->pDSBSecondary, pLockedBuffer1,
+ dwSizeBuffer1, pLockedBuffer2, dwSizeBuffer2);
+ }
+
+ /* if the buffer was not in playing state yet, call play on the buffer */
+ if (!(dwStatus & DSBSTATUS_PLAYING)) {
+ hRes = IDirectSoundBuffer_Play (dsoundsink->pDSBSecondary, 0, 0,
+ DSBPLAY_LOOPING);
+ }
+
+ return length;
+}
+
+static guint
+gst_directsoundsink_delay (GstAudioSink * asink)
+{
+ GstDirectSoundSink *dsoundsink;
+ HRESULT hRes;
+ DWORD dwCurrentPlayCursor;
+ DWORD dwBytesInQueue = 0;
+ gint nNbSamplesInQueue = 0;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ /*evaluate the number of samples in queue in the circular buffer */
+ hRes = IDirectSoundBuffer_GetCurrentPosition (dsoundsink->pDSBSecondary,
+ &dwCurrentPlayCursor, NULL);
+
+ if (hRes == S_OK) {
+ if (dwCurrentPlayCursor < dsoundsink->current_circular_offset)
+ dwBytesInQueue =
+ dsoundsink->current_circular_offset - dwCurrentPlayCursor;
+ else
+ dwBytesInQueue =
+ dsoundsink->current_circular_offset + (dsoundsink->buffer_size -
+ dwCurrentPlayCursor);
+
+ nNbSamplesInQueue = dwBytesInQueue / dsoundsink->bytes_per_sample;
+ }
+
+ return nNbSamplesInQueue;
+}
+
+static void
+gst_directsoundsink_reset (GstAudioSink * asink)
+{
+ /*not tested for seeking */
+ GstDirectSoundSink *dsoundsink;
+
+ dsoundsink = GST_DIRECTSOUND_SINK (asink);
+
+ IDirectSoundBuffer_Stop (dsoundsink->pDSBSecondary);
+}
diff --git a/sys/directsound/gstdirectsoundsink.h b/sys/directsound/gstdirectsoundsink.h
new file mode 100644
index 00000000..54f7148e
--- /dev/null
+++ b/sys/directsound/gstdirectsoundsink.h
@@ -0,0 +1,68 @@
+/* GStreamer
+ * Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
+ *
+ * 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.
+ */
+
+
+#ifndef __GST_DIRECTSOUNDSINK_H__
+#define __GST_DIRECTSOUNDSINK_H__
+
+#include <gst/gst.h>
+#include <gst/audio/gstaudiosink.h>
+
+#include <windows.h>
+#include <dxerr9.h>
+#include <dsound.h>
+
+
+G_BEGIN_DECLS
+#define GST_TYPE_DIRECTSOUND_SINK (gst_directsoundsink_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(obj) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRECTSOUND_SINK))
+typedef struct _GstDirectSoundSink GstDirectSoundSink;
+typedef struct _GstDirectSoundSinkClass GstDirectSoundSinkClass;
+
+struct _GstDirectSoundSink
+{
+ GstAudioSink sink;
+
+ LPDIRECTSOUND pDS;
+
+ 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;
+};
+
+struct _GstDirectSoundSinkClass
+{
+ GstAudioSinkClass parent_class;
+};
+
+GType gst_directsoundsink_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_DIRECTSOUNDSINK_H__ */