recording_manager.h

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/*
 * Copyright (C) 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#pragma once
 
#include <condition_variable>
#include <map>
#include <memory>
#include <mutex>
#include <string>
 
#include "cuttlefish/host/frontend/webrtc/libdevice/local_recorder.h"
 
namespace webrtc {
class VideoTrackSourceInterface;
}
 
namespace cuttlefish {
namespace webrtc_streaming {
 
class Source {
 public:
  size_t width_;
  size_t height_;
  std::shared_ptr<::webrtc::VideoTrackSourceInterface> video_;
};
 
class RecordingManager {
 public:
  RecordingManager();
 
  void AddSource(size_t width, size_t height,
                 std::shared_ptr<::webrtc::VideoTrackSourceInterface> video,
                 const std::string& label);
  void RemoveSource(const std::string& label);
  void Start();
  void Stop();
  void WaitForSources(size_t num_sources);
 
 private:
  bool recording_;
  std::string recording_directory_;
  std::string instance_name_;
  std::mutex mutex_;
  std::condition_variable video_source_ready_signal_;
  std::map<std::string, std::unique_ptr<Source>> sources_;
  std::map<std::string,
           std::unique_ptr<cuttlefish::webrtc_streaming::LocalRecorder>>
      local_recorders_;
 
  void StartSingleRecorder(const std::string& label);
};
 
}  // namespace webrtc_streaming
}  // namespace cuttlefish