| /* |
| * 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; |
| |
| IMMDevice *device; |
| IAudioClient *client; |
| IAudioClock *client_clock; |
| guint64 client_clock_freq; |
| IAudioCaptureClient *capture_client; |
| HANDLE event_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 read from the device |
| * we will pass this to GstAudioRingbuffer so it can |
| * translate it to the native GStreamer channel layout. */ |
| GstAudioChannelPosition *positions; |
| |
| /* properties */ |
| gint role; |
| gint sharemode; |
| 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__ */ |