/* 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__ */