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/*
* 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>
#include <mmdeviceapi.h>
#include <audioclient.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
/* 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 */
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);
#endif /* __GST_WASAPI_UTIL_H__ */
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