/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this file,
 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _ENCODING_CONSTRAINTS_H_
#define _ENCODING_CONSTRAINTS_H_

#include <algorithm>
#include "mozilla/Maybe.h"

namespace mozilla {
class EncodingConstraints {
 public:
  EncodingConstraints()
      : maxWidth(0),
        maxHeight(0),
        maxFs(0),
        maxBr(0),
        maxPps(0),
        maxMbps(0),
        maxCpb(0),
        maxDpb(0),
        scaleDownBy(1.0) {}

  bool operator==(const EncodingConstraints& constraints) const {
    return maxWidth == constraints.maxWidth &&
           maxHeight == constraints.maxHeight && maxFps == constraints.maxFps &&
           maxFs == constraints.maxFs && maxBr == constraints.maxBr &&
           maxPps == constraints.maxPps && maxMbps == constraints.maxMbps &&
           maxCpb == constraints.maxCpb && maxDpb == constraints.maxDpb &&
           scaleDownBy == constraints.scaleDownBy;
  }

  /**
   * This returns true if the constraints affecting resolution are equal.
   */
  bool ResolutionEquals(const EncodingConstraints& constraints) const {
    return maxWidth == constraints.maxWidth &&
           maxHeight == constraints.maxHeight && maxFs == constraints.maxFs &&
           scaleDownBy == constraints.scaleDownBy;
  }

  uint32_t maxWidth;
  uint32_t maxHeight;
  Maybe<double> maxFps;
  uint32_t maxFs;
  uint32_t maxBr;
  uint32_t maxPps;
  uint32_t maxMbps;    // macroblocks per second
  uint32_t maxCpb;     // coded picture buffer size
  uint32_t maxDpb;     // decoded picture buffer size
  double scaleDownBy;  // To preserve resolution
};
}  // namespace mozilla

#endif  // _ENCODING_CONSTRAINTS_H_