/* * Copyright (C) 2008 Ole André Vadla Ravnås * * 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; IMMDevice *device; IAudioClient *client; IAudioRenderClient *render_client; HANDLE event_handle; HANDLE thread_priority_handle; /* 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__ */