chromium/media/base/video_bitrate_allocation.cc

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "video_bitrate_allocation.h"

#include <cstring>
#include <limits>
#include <numeric>
#include <sstream>

#include "base/check_op.h"
#include "base/numerics/checked_math.h"
#include "media/base/bitrate.h"

namespace {

static media::Bitrate MakeReplacementBitrate(const media::Bitrate& old,
                                             uint32_t target_bps,
                                             uint32_t peak_bps) { … }

}  // namespace

namespace media {

constexpr size_t VideoBitrateAllocation::kMaxSpatialLayers;
constexpr size_t VideoBitrateAllocation::kMaxTemporalLayers;

VideoBitrateAllocation::VideoBitrateAllocation(Bitrate::Mode mode) { … }

bool VideoBitrateAllocation::SetPeakBps(uint32_t peak_bps) { … }

bool VideoBitrateAllocation::SetBitrate(size_t spatial_index,
                                        size_t temporal_index,
                                        uint32_t bitrate_bps) { … }

uint32_t VideoBitrateAllocation::GetBitrateBps(size_t spatial_index,
                                               size_t temporal_index) const { … }

uint32_t VideoBitrateAllocation::GetSumBps() const { … }

uint32_t VideoBitrateAllocation::GetPeakBps() const { … }

const Bitrate VideoBitrateAllocation::GetSumBitrate() const { … }

Bitrate::Mode VideoBitrateAllocation::GetMode() const { … }

std::string VideoBitrateAllocation::ToString() const { … }

bool VideoBitrateAllocation::operator==(
    const VideoBitrateAllocation& other) const { … }

}  // namespace media