mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-09 13:48:55 +00:00
90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
|
|
* 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_SRC_H__
|
|
#define __GST_WASAPI_SRC_H__
|
|
|
|
#include "gstwasapiutil.h"
|
|
|
|
G_BEGIN_DECLS
|
|
#define GST_TYPE_WASAPI_SRC \
|
|
(gst_wasapi_src_get_type ())
|
|
#define GST_WASAPI_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WASAPI_SRC, GstWasapiSrc))
|
|
#define GST_WASAPI_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_WASAPI_SRC, GstWasapiSrcClass))
|
|
#define GST_IS_WASAPI_SRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WASAPI_SRC))
|
|
#define GST_IS_WASAPI_SRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_WASAPI_SRC))
|
|
typedef struct _GstWasapiSrc GstWasapiSrc;
|
|
typedef struct _GstWasapiSrcClass GstWasapiSrcClass;
|
|
|
|
struct _GstWasapiSrc
|
|
{
|
|
GstAudioSrc parent;
|
|
|
|
GstMMDeviceEnumerator *enumerator;
|
|
|
|
IMMDevice *device;
|
|
IAudioClient *client;
|
|
IAudioClock *client_clock;
|
|
guint64 client_clock_freq;
|
|
IAudioCaptureClient *capture_client;
|
|
HANDLE event_handle;
|
|
HANDLE cancellable;
|
|
/* Smooth frames captured from WASAPI, which can be irregular sometimes */
|
|
GstAdapter *adapter;
|
|
/* Client was reset, so it needs to be started again */
|
|
gboolean client_needs_restart;
|
|
|
|
/* 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 read from the device
|
|
* we will pass this to GstAudioRingbuffer so it can
|
|
* translate it to the native GStreamer channel layout. */
|
|
GstAudioChannelPosition *positions;
|
|
|
|
/* Used for loopback use case in order to keep feeding silence into client */
|
|
IAudioClient *loopback_client;
|
|
IAudioRenderClient *loopback_render_client;
|
|
GThread *loopback_thread;
|
|
HANDLE loopback_event_handle;
|
|
HANDLE loopback_cancellable;
|
|
|
|
/* properties */
|
|
gint role;
|
|
gint sharemode;
|
|
gboolean loopback;
|
|
gboolean low_latency;
|
|
gboolean try_audioclient3;
|
|
wchar_t *device_strid;
|
|
};
|
|
|
|
struct _GstWasapiSrcClass
|
|
{
|
|
GstAudioSrcClass parent_class;
|
|
};
|
|
|
|
GType gst_wasapi_src_get_type (void);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_WASAPI_SRC_H__ */
|