chromium/content/browser/renderer_host/media/audio_output_authorization_handler.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_OUTPUT_AUTHORIZATION_HANDLER_H_
#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_OUTPUT_AUTHORIZATION_HANDLER_H_

#include <memory>
#include <string>
#include <utility>

#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "content/browser/media/media_devices_util.h"
#include "content/browser/renderer_host/media/media_stream_manager.h"
#include "content/common/content_export.h"
#include "media/audio/audio_device_description.h"
#include "media/base/audio_parameters.h"
#include "media/base/output_device_info.h"

namespace media {
class AudioSystem;
}

namespace content {

// This class, which lives on the IO thread, handles the logic of an IPC device
// request from the renderer. It checks which device to use (in case of using
// |session_id| to select device), verifies that the renderer is authorized to
// use the device, and gets the default device parameters for the selected audio
// device.
class CONTENT_EXPORT AudioOutputAuthorizationHandler { … };

}  // namespace content

#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_AUDIO_OUTPUT_AUTHORIZATION_HANDLER_H_