media_stream_request.h | Explore in Territory

// Copyright 2012 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_PUBLIC_COMMON_MEDIASTREAM_MEDIA_STREAM_REQUEST_H_
#define THIRD_PARTY_BLINK_PUBLIC_COMMON_MEDIASTREAM_MEDIA_STREAM_REQUEST_H_

#include <stddef.h>

#include <memory>
#include <optional>
#include <string>
#include <vector>

#include "base/unguessable_token.h"
#include "media/base/audio_parameters.h"
#include "media/base/video_facing.h"
#include "media/capture/video/video_capture_device_descriptor.h"
#include "media/mojo/mojom/display_media_information.mojom.h"
#include "third_party/blink/public/common/common_export.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-forward.h"
#include "third_party/blink/public/mojom/mediastream/media_stream.mojom-shared.h"
#include "ui/display/types/display_constants.h"

namespace blink {

// Types of media stream requests that can be made to the media controller.
enum MediaStreamRequestType { … };

// Convenience predicates to determine whether the given type represents some
// audio or some video device.
BLINK_COMMON_EXPORT bool IsAudioInputMediaType(mojom::MediaStreamType type);
BLINK_COMMON_EXPORT bool IsVideoInputMediaType(mojom::MediaStreamType type);
BLINK_COMMON_EXPORT bool IsScreenCaptureMediaType(mojom::MediaStreamType type);
// Whether the |type| captures anything on the screen.
BLINK_COMMON_EXPORT bool IsVideoScreenCaptureMediaType(
    mojom::MediaStreamType type);
BLINK_COMMON_EXPORT bool IsDesktopCaptureMediaType(mojom::MediaStreamType type);
BLINK_COMMON_EXPORT bool IsVideoDesktopCaptureMediaType(
    mojom::MediaStreamType type);
BLINK_COMMON_EXPORT bool IsTabCaptureMediaType(mojom::MediaStreamType type);
BLINK_COMMON_EXPORT bool IsDeviceMediaType(mojom::MediaStreamType type);

// TODO(xians): Change the structs to classes.
// Represents one device in a request for media stream(s).
struct BLINK_COMMON_EXPORT MediaStreamDevice { … };

MediaStreamDevices;

// TODO(crbug.com/1313021): Remove this function and use
// blink::mojom::StreamDevicesSet directly everywhere.
// Takes a mojom::StreamDevicesSet and returns all contained MediaStreamDevices.
BLINK_COMMON_EXPORT MediaStreamDevices
ToMediaStreamDevicesList(const mojom::StreamDevicesSet& stream_devices_set);

BLINK_COMMON_EXPORT size_t CountDevices(const mojom::StreamDevices& devices);
BLINK_COMMON_EXPORT bool IsMediaStreamDeviceTransferrable(
    const MediaStreamDevice& device);

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_PUBLIC_COMMON_MEDIASTREAM_MEDIA_STREAM_REQUEST_H_
chromium/third_party/blink/public/common/mediastream/media_stream_request.h
