video_capture_options.h

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/*

 *  Copyright (c) 2022 The WebRTC project authors. All Rights Reserved.

 *  Use of this source code is governed by a BSD-style license

 *  that can be found in the LICENSE file in the root of the source

 *  tree. An additional intellectual property rights grant can be found

 *  in the file PATENTS.  All contributing project authors may

 *  be found in the AUTHORS file in the root of the source tree.

*/

#ifndef MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_OPTIONS_H_

#define MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_OPTIONS_H_

#include "api/scoped_refptr.h"

#include "rtc_base/system/rtc_export.h"

#if defined(WEBRTC_USE_PIPEWIRE)

#include "modules/portal/pipewire_utils.h"

#endif

namespace webrtc {

#if defined(WEBRTC_USE_PIPEWIRE)

namespace videocapturemodule {

class PipeWireSession;

#endif

// An object that stores initialization parameters for video capturers

class RTC_EXPORT VideoCaptureOptions {

 public:

  VideoCaptureOptions();

  VideoCaptureOptions(const VideoCaptureOptions& options);

  VideoCaptureOptions(VideoCaptureOptions&& options);

  ~VideoCaptureOptions();

  VideoCaptureOptions& operator=(const VideoCaptureOptions& options);

  VideoCaptureOptions& operator=(VideoCaptureOptions&& options);

  enum class Status {

    SUCCESS,

    UNINITIALIZED,

    UNAVAILABLE,

    DENIED,

    ERROR,

    MAX_VALUE = ERROR

};

  class Callback {

   public:

    virtual void OnInitialized(Status status) = 0;

   protected:

    virtual ~Callback() = default;

};

  void Init(Callback* callback);

#if defined(WEBRTC_LINUX) || defined(WEBRTC_BSD)

  bool allow_v4l2() const { return allow_v4l2_; }

  void set_allow_v4l2(bool allow) { allow_v4l2_ = allow; }

#endif

#if defined(WEBRTC_USE_PIPEWIRE)

  bool allow_pipewire() const { return allow_pipewire_; }

  void set_allow_pipewire(bool allow) { allow_pipewire_ = allow; }

  void set_pipewire_fd(int fd) { pipewire_fd_ = fd; }

  rtc::scoped_refptr<videocapturemodule::PipeWireSession> pipewire_session();

#endif

 private:

#if defined(WEBRTC_LINUX) || defined(WEBRTC_BSD)

  bool allow_v4l2_ = false;

#endif

#if defined(WEBRTC_USE_PIPEWIRE)

  bool allow_pipewire_ = false;

  int pipewire_fd_ = kInvalidPipeWireFd;

  rtc::scoped_refptr<videocapturemodule::PipeWireSession> pipewire_session_;

#endif

};

}  // namespace webrtc

#endif  // MODULES_VIDEO_CAPTURE_VIDEO_CAPTURE_OPTIONS_H_