2 * Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
20 #ifndef __GST_WASAPI_SRC_H__
21 #define __GST_WASAPI_SRC_H__
23 #include "gstwasapiutil.h"
26 #define GST_TYPE_WASAPI_SRC \
27 (gst_wasapi_src_get_type ())
28 #define GST_WASAPI_SRC(obj) \
29 (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WASAPI_SRC, GstWasapiSrc))
30 #define GST_WASAPI_SRC_CLASS(klass) \
31 (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_WASAPI_SRC, GstWasapiSrcClass))
32 #define GST_IS_WASAPI_SRC(obj) \
33 (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WASAPI_SRC))
34 #define GST_IS_WASAPI_SRC_CLASS(klass) \
35 (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_WASAPI_SRC))
36 typedef struct _GstWasapiSrc GstWasapiSrc;
37 typedef struct _GstWasapiSrcClass GstWasapiSrcClass;
45 IAudioClock *client_clock;
46 guint64 client_clock_freq;
47 IAudioCaptureClient *capture_client;
49 HANDLE thread_priority_handle;
51 /* Actual size of the allocated buffer */
52 guint buffer_frame_count;
53 /* The mix format that wasapi prefers in shared mode */
54 WAVEFORMATEX *mix_format;
55 /* The probed caps that we can accept */
57 /* The channel positions in the data read from the device
58 * we will pass this to GstAudioRingbuffer so it can
59 * translate it to the native GStreamer channel layout. */
60 GstAudioChannelPosition *positions;
66 gboolean try_audioclient3;
67 wchar_t *device_strid;
70 struct _GstWasapiSrcClass
72 GstAudioSrcClass parent_class;
75 GType gst_wasapi_src_get_type (void);
78 #endif /* __GST_WASAPI_SRC_H__ */