video_bitrate_allocator.h

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/*

 *  Copyright (c) 2016 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 API_VIDEO_VIDEO_BITRATE_ALLOCATOR_H_

#define API_VIDEO_VIDEO_BITRATE_ALLOCATOR_H_

#include <cstdint>

#include "api/units/data_rate.h"

#include "api/video/video_bitrate_allocation.h"

namespace webrtc {

struct VideoBitrateAllocationParameters {

  VideoBitrateAllocationParameters(uint32_t total_bitrate_bps,

                                   uint32_t framerate);

  VideoBitrateAllocationParameters(DataRate total_bitrate, double framerate);

  VideoBitrateAllocationParameters(DataRate total_bitrate,

                                   DataRate stable_bitrate,

                                   double framerate);

  ~VideoBitrateAllocationParameters();

  DataRate total_bitrate;

  DataRate stable_bitrate;

  double framerate;

};

class VideoBitrateAllocator {

 public:

  VideoBitrateAllocator() {}

  virtual ~VideoBitrateAllocator() {}

  virtual VideoBitrateAllocation GetAllocation(uint32_t total_bitrate_bps,

                                               uint32_t framerate);

  virtual VideoBitrateAllocation Allocate(

      VideoBitrateAllocationParameters parameters);

  // Deprecated: Only used to work around issues with the legacy conference

  // screenshare mode and shouldn't be needed by any subclasses.

  virtual void SetLegacyConferenceMode(bool enabled);

};

class VideoBitrateAllocationObserver {

 public:

  VideoBitrateAllocationObserver() {}

  virtual ~VideoBitrateAllocationObserver() {}

  virtual void OnBitrateAllocationUpdated(

      const VideoBitrateAllocation& allocation) = 0;

};

}  // namespace webrtc

#endif  // API_VIDEO_VIDEO_BITRATE_ALLOCATOR_H_