0bb354c540
This change moves ScopedComInitializer out of core_audio_utility and into rtc_base/win so it can be reused elsewhere more easily. It also adds HSTRING and GetActivationFactory functionality to rtc_base/win. These two were heavily based on what is already present base/win. All of these are necessary for the new window capturer based on the Windows.Graphics.Capture API. You can see how these APIs will be used in this CL: 186603: Implement WgcCaptureSession | https://webrtc-review.googlesource.com/c/src/+/186603 Bug: webrtc:9273 Change-Id: I0a36373aac98be779ccbabe1053bb8d6e234f6a3 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/188523 Commit-Queue: Tommi <tommi@webrtc.org> Reviewed-by: Tommi <tommi@webrtc.org> Cr-Commit-Position: refs/heads/master@{#32522}
60 lines
2.2 KiB
C++
60 lines
2.2 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_FACTORY_H_
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#define MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_FACTORY_H_
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#include <memory>
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#include "api/task_queue/task_queue_factory.h"
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#include "modules/audio_device/include/audio_device.h"
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namespace webrtc {
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// Creates an AudioDeviceModule (ADM) for Windows based on the Core Audio API.
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// The creating thread must be a COM thread; otherwise nullptr will be returned.
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// By default |automatic_restart| is set to true and it results in support for
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// automatic restart of audio if e.g. the existing device is removed. If set to
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// false, no attempt to restart audio is performed under these conditions.
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//
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// Example (assuming webrtc namespace):
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//
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// public:
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// rtc::scoped_refptr<AudioDeviceModule> CreateAudioDevice() {
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// task_queue_factory_ = CreateDefaultTaskQueueFactory();
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// // Tell COM that this thread shall live in the MTA.
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// com_initializer_ = std::make_unique<ScopedCOMInitializer>(
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// ScopedCOMInitializer::kMTA);
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// if (!com_initializer_->Succeeded()) {
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// return nullptr;
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// }
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// // Create the ADM with support for automatic restart if devices are
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// // unplugged.
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// return CreateWindowsCoreAudioAudioDeviceModule(
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// task_queue_factory_.get());
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// }
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//
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// private:
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// std::unique_ptr<ScopedCOMInitializer> com_initializer_;
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// std::unique_ptr<TaskQueueFactory> task_queue_factory_;
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//
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rtc::scoped_refptr<AudioDeviceModule> CreateWindowsCoreAudioAudioDeviceModule(
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TaskQueueFactory* task_queue_factory,
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bool automatic_restart = true);
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rtc::scoped_refptr<AudioDeviceModuleForTest>
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CreateWindowsCoreAudioAudioDeviceModuleForTest(
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TaskQueueFactory* task_queue_factory,
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bool automatic_restart = true);
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} // namespace webrtc
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#endif // MODULES_AUDIO_DEVICE_INCLUDE_AUDIO_DEVICE_FACTORY_H_
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