62b6224e37
This is particularly important when running in exclusive mode because any delays will immediately cause glitching. The MinGW version in Cerbero is too old, so we can only enable this when building with MSVC or when people build GStreamer for MSYS2 or other MinGW-based distributions. To force-enable this code when building with MinGW, build with CFLAGS="-DGST_FORCE_WIN_AVRT -lavrt". https://bugzilla.gnome.org/show_bug.cgi?id=793289
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*
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* Copyright (C) 2008 Ole André Vadla Ravnås <ole.andre.ravnas@tandberg.com>
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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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#ifndef __GST_WASAPI_SINK_H__
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#define __GST_WASAPI_SINK_H__
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#include "gstwasapiutil.h"
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G_BEGIN_DECLS
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#define GST_TYPE_WASAPI_SINK \
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(gst_wasapi_sink_get_type ())
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#define GST_WASAPI_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WASAPI_SINK, GstWasapiSink))
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#define GST_WASAPI_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_WASAPI_SINK, GstWasapiSinkClass))
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#define GST_IS_WASAPI_SINK(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WASAPI_SINK))
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#define GST_IS_WASAPI_SINK_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_WASAPI_SINK))
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typedef struct _GstWasapiSink GstWasapiSink;
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typedef struct _GstWasapiSinkClass GstWasapiSinkClass;
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struct _GstWasapiSink
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{
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GstAudioSink parent;
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IMMDevice *device;
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IAudioClient *client;
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IAudioRenderClient *render_client;
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HANDLE event_handle;
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HANDLE thread_priority_handle;
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/* Actual size of the allocated buffer */
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guint buffer_frame_count;
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/* The mix format that wasapi prefers in shared mode */
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WAVEFORMATEX *mix_format;
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/* The probed caps that we can accept */
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GstCaps *cached_caps;
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/* The channel positions in the data to be written to the device we
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* will pass this to GstAudioRingbuffer so it can to it translate
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* from the native GStreamer channel layout. */
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GstAudioChannelPosition *positions;
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/* properties */
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gint role;
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gint sharemode;
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gboolean mute;
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wchar_t *device_strid;
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};
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struct _GstWasapiSinkClass
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{
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GstAudioSinkClass parent_class;
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};
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GType gst_wasapi_sink_get_type (void);
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G_END_DECLS
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#endif /* __GST_WASAPI_SINK_H__ */
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