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b7abd34285
... and add various device error handling. This loopback implementation is functionally identical to that of wasapisrc. When it's enabled, wasapi2src will read data from render device instead of capture device. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2311>
69 lines
2.5 KiB
C
69 lines
2.5 KiB
C
/* GStreamer
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* Copyright (C) 2020 Seungha Yang <seungha@centricular.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_WASAPI2_UTIL_H__
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#define __GST_WASAPI2_UTIL_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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#include <windows.h>
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#include <initguid.h>
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#include <audioclient.h>
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G_BEGIN_DECLS
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/* Static Caps shared between source, sink, and device provider */
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#define GST_WASAPI2_STATIC_CAPS "audio/x-raw, " \
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"format = (string) " GST_AUDIO_FORMATS_ALL ", " \
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"layout = (string) interleaved, " \
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"rate = " GST_AUDIO_RATE_RANGE ", " \
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"channels = " GST_AUDIO_CHANNELS_RANGE
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#define GST_WASAPI2_CLEAR_COM(obj) G_STMT_START { \
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if (obj) { \
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(obj)->Release (); \
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(obj) = NULL; \
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} \
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} G_STMT_END
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gboolean _gst_wasapi2_result (HRESULT hr,
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GstDebugCategory * cat,
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const gchar * file,
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const gchar * function,
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gint line);
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#define gst_wasapi2_result(result) \
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_gst_wasapi2_result (result, GST_CAT_DEFAULT, __FILE__, GST_FUNCTION, __LINE__)
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guint64 gst_wasapi2_util_waveformatex_to_channel_mask (WAVEFORMATEX * format,
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GstAudioChannelPosition ** out_position);
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const gchar * gst_wasapi2_util_waveformatex_to_audio_format (WAVEFORMATEX * format);
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gboolean gst_wasapi2_util_parse_waveformatex (WAVEFORMATEX * format,
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GstCaps * template_caps,
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GstCaps ** out_caps,
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GstAudioChannelPosition ** out_positions);
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gchar * gst_wasapi2_util_get_error_message (HRESULT hr);
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G_END_DECLS
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#endif /* __GST_WASAPI_UTIL_H__ */
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