chromium/third_party/blink/renderer/modules/mediastream/user_media_processor.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_USER_MEDIA_PROCESSOR_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_USER_MEDIA_PROCESSOR_H_

#include <memory>
#include <utility>

#include "base/functional/callback_forward.h"
#include "base/gtest_prod_util.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "build/build_config.h"
#include "third_party/blink/public/common/mediastream/media_stream_request.h"
#include "third_party/blink/public/mojom/mediastream/media_devices.mojom-blink.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-blink.h"
#include "third_party/blink/public/platform/modules/mediastream/web_platform_media_stream_source.h"
#include "third_party/blink/renderer/modules/mediastream/media_stream_constraints_util_audio.h"
#include "third_party/blink/renderer/modules/mediastream/user_media_request.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/heap/collection_support/heap_vector.h"
#include "third_party/blink/renderer/platform/heap/prefinalizer.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_descriptor.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_remote.h"
#include "third_party/blink/renderer/platform/mojo/heap_mojo_wrapper_mode.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"

namespace blink {

class AudioCaptureSettings;
class LocalFrame;
class MediaStreamAudioSource;
class MediaStreamVideoSource;
class VideoCaptureSettings;
class WebMediaStreamDeviceObserver;
class WebMediaStreamSource;
class WebString;

// UserMediaProcessor is responsible for processing getUserMedia() requests.
// It also keeps tracks of all sources used by streams created with
// getUserMedia().
// It communicates with the browser via MediaStreamDispatcherHost.
// Only one MediaStream at a time can be in the process of being created.
// UserMediaProcessor must be created, called and destroyed on the main
// render thread. There should be only one UserMediaProcessor per frame.
class MODULES_EXPORT UserMediaProcessor
    : public GarbageCollected<UserMediaProcessor> { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_USER_MEDIA_PROCESSOR_H_