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9e56d20279
In case of UWP, documentation from MS is saying that ActivateAudioInterfaceAsync() method should be called from UI thread. And the resulting callback might not happen until user interaction has been made. So we cannot wait the activation result on constructed() method. and therefore we should return gst_wasapi2_client_new() immediately without waiting the result if wasapi2 elements are running on UWP application. In addition to async operation fix, this commit includes COM object reference counting issue around ActivateAudioInterfaceAsync() call. Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/1466>
85 lines
3.2 KiB
C
85 lines
3.2 KiB
C
/*
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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_CLIENT_H__
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#define __GST_WASAPI2_CLIENT_H__
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#include <gst/gst.h>
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#include <gst/audio/audio.h>
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G_BEGIN_DECLS
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typedef enum
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{
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GST_WASAPI2_CLIENT_DEVICE_CLASS_CAPTURE = 0,
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GST_WASAPI2_CLIENT_DEVICE_CLASS_RENDER,
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} GstWasapi2ClientDeviceClass;
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#define GST_TYPE_WASAPI2_CLIENT_DEVICE_CLASS (gst_wasapi2_client_device_class_get_type())
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GType gst_wasapi2_client_device_class_get_type (void);
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#define GST_TYPE_WASAPI2_CLIENT (gst_wasapi2_client_get_type())
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G_DECLARE_FINAL_TYPE (GstWasapi2Client,
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gst_wasapi2_client, GST, WASAPI2_CLIENT, GstObject);
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GstCaps * gst_wasapi2_client_get_caps (GstWasapi2Client * client);
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gboolean gst_wasapi2_client_open (GstWasapi2Client * client,
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GstAudioRingBufferSpec * spec,
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GstAudioRingBuffer * buf);
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gboolean gst_wasapi2_client_start (GstWasapi2Client * client);
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gboolean gst_wasapi2_client_stop (GstWasapi2Client * client);
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gint gst_wasapi2_client_read (GstWasapi2Client * client,
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gpointer data,
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guint length);
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gint gst_wasapi2_client_write (GstWasapi2Client * client,
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gpointer data,
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guint length);
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guint gst_wasapi2_client_delay (GstWasapi2Client * client);
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gboolean gst_wasapi2_client_set_mute (GstWasapi2Client * client,
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gboolean mute);
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gboolean gst_wasapi2_client_get_mute (GstWasapi2Client * client,
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gboolean * mute);
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gboolean gst_wasapi2_client_set_volume (GstWasapi2Client * client,
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gfloat volume);
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gboolean gst_wasapi2_client_get_volume (GstWasapi2Client * client,
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gfloat * volume);
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gboolean gst_wasapi2_client_ensure_activation (GstWasapi2Client * client);
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GstWasapi2Client * gst_wasapi2_client_new (GstWasapi2ClientDeviceClass device_class,
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gboolean low_latency,
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gint device_index,
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const gchar * device_id,
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gpointer dispatcher);
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G_DEFINE_AUTOPTR_CLEANUP_FUNC (GstWasapi2Client, gst_object_unref)
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G_END_DECLS
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#endif /* __GST_WASAPI2_CLIENT_H__ */
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