/*
 *  Copyright (c) 2017 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 WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_OBJCVIDEOTRACKSOURCE_H_
#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_OBJCVIDEOTRACKSOURCE_H_

#import <WebRTC/RTCVideoFrame.h>

#include "webrtc/base/timestampaligner.h"
#include "webrtc/media/base/adaptedvideotracksource.h"

namespace webrtc {

class ObjcVideoTrackSource : public rtc::AdaptedVideoTrackSource {
 public:
  ObjcVideoTrackSource();

  // This class can not be used for implementing screen casting. Hopefully, this
  // function will be removed before we add that to iOS/Mac.
  bool is_screencast() const override { return false; }

  // Indicates that the encoder should denoise video before encoding it.
  // If it is not set, the default configuration is used which is different
  // depending on video codec.
  rtc::Optional<bool> needs_denoising() const override {
    return rtc::Optional<bool>(false);
  }

  SourceState state() const override { return SourceState::kLive; }

  bool remote() const override { return false; }

  // Called by RTCVideoSource.
  void OnCapturedFrame(RTCVideoFrame* frame);
  void OnOutputFormatRequest(int width, int height, int fps);

 private:
  rtc::VideoBroadcaster broadcaster_;
  rtc::TimestampAligner timestamp_aligner_;
};

}  // namespace webrtc

#endif  // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_OBJCVIDEOTRACKSOURCE_H_