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a303a7971c
It's more accurate and allows cancellation. https://bugzilla.gnome.org/show_bug.cgi?id=773681
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/* GStreamer
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* Copyright (C) 2005 Sebastien Moutte <sebastien@moutte.net>
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* Copyright (C) 2007 Pioneers of the Inevitable <songbird@songbirdnest.com>
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* Copyright (C) 2010 Fluendo S.A. <support@fluendo.com>
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*
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* gstdirectsoundsink.h:
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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* The development of this code was made possible due to the involvement
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* of Pioneers of the Inevitable, the creators of the Songbird Music player
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*
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*
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*/
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#ifndef __GST_DIRECTSOUNDSINK_H__
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#define __GST_DIRECTSOUNDSINK_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <gst/audio/gstaudiosink.h>
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#include <windows.h>
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#include <dsound.h>
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#include <mmreg.h>
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#include <ks.h>
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#include <ksmedia.h>
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G_BEGIN_DECLS
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#define GST_TYPE_DIRECTSOUND_SINK (gst_directsound_sink_get_type())
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#define GST_DIRECTSOUND_SINK(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DIRECTSOUND_SINK,GstDirectSoundSink))
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#define GST_DIRECTSOUND_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DIRECTSOUND_SINK,GstDirectSoundSinkClass))
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#define GST_IS_DIRECTSOUND_SINK(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DIRECTSOUND_SINK))
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#define GST_IS_DIRECTSOUND_SINK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DIRECTSOUND_SINK))
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typedef struct _GstDirectSoundSink GstDirectSoundSink;
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typedef struct _GstDirectSoundSinkClass GstDirectSoundSinkClass;
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#define GST_DSOUND_LOCK(obj) (g_mutex_lock (&obj->dsound_lock))
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#define GST_DSOUND_UNLOCK(obj) (g_mutex_unlock (&obj->dsound_lock))
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struct _GstDirectSoundSink
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{
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GstAudioSink sink;
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/* directsound object interface pointer */
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LPDIRECTSOUND pDS;
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/* directsound sound object interface pointer */
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LPDIRECTSOUNDBUFFER pDSBSecondary;
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/* directSound buffer size */
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guint buffer_size;
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/* offset of the circular buffer where we must write next */
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guint current_circular_offset;
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guint bytes_per_sample;
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/* current volume setup by mixer interface */
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glong volume;
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gboolean mute;
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/* current directsound device ID */
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gchar * device_id;
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GstCaps *cached_caps;
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/* lock used to protect writes and resets */
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GMutex dsound_lock;
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GstClock *system_clock;
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GstClockID write_wait_clock_id;
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gboolean reset_while_sleeping;
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gboolean first_buffer_after_reset;
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GstAudioRingBufferFormatType type;
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};
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struct _GstDirectSoundSinkClass
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{
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GstAudioSinkClass parent_class;
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};
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GType gst_directsound_sink_get_type (void);
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G_END_DECLS
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#endif /* __GST_DIRECTSOUNDSINK_H__ */
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