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/*
* Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
*
* 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.
*/
#ifndef __GST_WASAPI_SINK_H__
#define __GST_WASAPI_SINK_H__
#include "gstwasapiutil.h"
G_BEGIN_DECLS
#define GST_TYPE_WASAPI_SINK \
(gst_wasapi_sink_get_type ())
#define GST_WASAPI_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WASAPI_SINK, GstWasapiSink))
#define GST_WASAPI_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_WASAPI_SINK, GstWasapiSinkClass))
#define GST_IS_WASAPI_SINK(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WASAPI_SINK))
#define GST_IS_WASAPI_SINK_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_WASAPI_SINK))
typedef struct _GstWasapiSink GstWasapiSink;
typedef struct _GstWasapiSinkClass GstWasapiSinkClass;
struct _GstWasapiSink
{
GstAudioSink parent;
GstMMDeviceEnumerator *enumerator;
IMMDevice *device;
IAudioClient *client;
IAudioRenderClient *render_client;
HANDLE event_handle;
HANDLE cancellable;
/* Client was reset, so it needs to be started again */
gboolean client_needs_restart;
/* Actual size of the allocated buffer */
guint buffer_frame_count;
/* The mix format that wasapi prefers in shared mode */
WAVEFORMATEX *mix_format;
/* The probed caps that we can accept */
GstCaps *cached_caps;
/* The channel positions in the data to be written to the device we
* will pass this to GstAudioRingbuffer so it can to it translate
* from the native GStreamer channel layout. */
GstAudioChannelPosition *positions;
/* properties */
gint role;
gint sharemode;
gboolean mute;
gboolean low_latency;
gboolean try_audioclient3;
wchar_t *device_strid;
};
struct _GstWasapiSinkClass
{
GstAudioSinkClass parent_class;
};
GType gst_wasapi_sink_get_type (void);
G_END_DECLS
#endif /* __GST_WASAPI_SINK_H__ */
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