| /* |
| * 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_UTIL_H__ |
| #define __GST_WASAPI_UTIL_H__ |
| |
| #include <gst/gst.h> |
| #include <gst/audio/audio.h> |
| #include <gst/audio/gstaudiosrc.h> |
| #include <gst/audio/gstaudiosink.h> |
| |
| #ifdef _MSC_VER |
| #include <initguid.h> |
| #endif |
| #include <mmdeviceapi.h> |
| #include <audioclient.h> |
| |
| #include "gstaudioclient3.h" |
| |
| /* Static Caps shared between source, sink, and device provider */ |
| #define GST_WASAPI_STATIC_CAPS "audio/x-raw, " \ |
| "format = (string) " GST_AUDIO_FORMATS_ALL ", " \ |
| "layout = (string) interleaved, " \ |
| "rate = " GST_AUDIO_RATE_RANGE ", " \ |
| "channels = " GST_AUDIO_CHANNELS_RANGE |
| |
| /* Standard error path */ |
| #define HR_FAILED_AND(hr,func,and) \ |
| do { \ |
| if (FAILED (hr)) { \ |
| gchar *msg = gst_wasapi_util_hresult_to_string (hr); \ |
| GST_ERROR_OBJECT (self, #func " failed (%x): %s", (guint) hr, msg); \ |
| g_free (msg); \ |
| and; \ |
| } \ |
| } while (0) |
| |
| #define HR_FAILED_RET(hr,func,ret) HR_FAILED_AND(hr,func,return ret) |
| |
| #define HR_FAILED_GOTO(hr,func,where) HR_FAILED_AND(hr,func,res = FALSE; goto where) |
| |
| /* Device role enum property */ |
| typedef enum |
| { |
| GST_WASAPI_DEVICE_ROLE_CONSOLE, |
| GST_WASAPI_DEVICE_ROLE_MULTIMEDIA, |
| GST_WASAPI_DEVICE_ROLE_COMMS |
| } GstWasapiDeviceRole; |
| #define GST_WASAPI_DEVICE_TYPE_ROLE (gst_wasapi_device_role_get_type()) |
| GType gst_wasapi_device_role_get_type (void); |
| |
| /* Utilities */ |
| |
| gboolean gst_wasapi_util_have_audioclient3 (void); |
| |
| gint gst_wasapi_device_role_to_erole (gint role); |
| |
| gint gst_wasapi_erole_to_device_role (gint erole); |
| |
| gchar *gst_wasapi_util_hresult_to_string (HRESULT hr); |
| |
| gboolean gst_wasapi_util_get_devices (GstElement * element, gboolean active, |
| GList ** devices); |
| |
| gboolean gst_wasapi_util_get_device_client (GstElement * element, |
| gboolean capture, gint role, const wchar_t * device_strid, |
| IMMDevice ** ret_device, IAudioClient ** ret_client); |
| |
| gboolean gst_wasapi_util_get_device_format (GstElement * element, |
| gint device_mode, IMMDevice * device, IAudioClient * client, |
| WAVEFORMATEX ** ret_format); |
| |
| gboolean gst_wasapi_util_get_render_client (GstElement * element, |
| IAudioClient * client, IAudioRenderClient ** ret_render_client); |
| |
| gboolean gst_wasapi_util_get_capture_client (GstElement * element, |
| IAudioClient * client, IAudioCaptureClient ** ret_capture_client); |
| |
| gboolean gst_wasapi_util_get_clock (GstElement * element, |
| IAudioClient * client, IAudioClock ** ret_clock); |
| |
| gboolean gst_wasapi_util_parse_waveformatex (WAVEFORMATEXTENSIBLE * format, |
| GstCaps * template_caps, GstCaps ** out_caps, |
| GstAudioChannelPosition ** out_positions); |
| |
| void gst_wasapi_util_get_best_buffer_sizes (GstAudioRingBufferSpec * spec, |
| gboolean exclusive, REFERENCE_TIME default_period, |
| REFERENCE_TIME min_period, REFERENCE_TIME * ret_period, |
| REFERENCE_TIME * ret_buffer_duration); |
| |
| gboolean gst_wasapi_util_initialize_audioclient (GstElement * element, |
| GstAudioRingBufferSpec * spec, IAudioClient * client, |
| WAVEFORMATEX * format, guint sharemode, gboolean low_latency, |
| guint * ret_devicep_frames); |
| |
| gboolean gst_wasapi_util_initialize_audioclient3 (GstElement * element, |
| GstAudioRingBufferSpec * spec, IAudioClient3 * client, |
| WAVEFORMATEX * format, gboolean low_latency, guint * ret_devicep_frames); |
| |
| HANDLE gst_wasapi_util_set_thread_characteristics (void); |
| |
| void gst_wasapi_util_revert_thread_characteristics (HANDLE handle); |
| |
| #endif /* __GST_WASAPI_UTIL_H__ */ |