| // Copyright 2021 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "media/base/bitrate.h" |
| #include "base/check_op.h" |
| #include "base/strings/stringprintf.h" |
| |
| namespace media { |
| |
| // static |
| Bitrate Bitrate::VariableBitrate(uint32_t target_bps, uint32_t peak_bps) { |
| DCHECK_GE(peak_bps, target_bps); |
| return Bitrate(Mode::kVariable, target_bps, peak_bps); |
| } |
| |
| bool Bitrate::operator==(const Bitrate& right) const { |
| return (this->mode_ == right.mode_) && |
| (this->target_bps_ == right.target_bps_) && |
| (this->peak_bps_ == right.peak_bps_); |
| } |
| |
| bool Bitrate::operator!=(const Bitrate& right) const { |
| return !(*this == right); |
| } |
| |
| uint32_t Bitrate::peak_bps() const { |
| DCHECK_EQ(mode_ == Mode::kConstant, peak_bps_ == 0u); |
| return peak_bps_; |
| } |
| |
| std::string Bitrate::ToString() const { |
| switch (mode_) { |
| case Mode::kConstant: |
| return base::StringPrintf("CBR: %d bps", target_bps_); |
| case Mode::kVariable: |
| return base::StringPrintf("VBR: target %d bps, peak %d bps", target_bps_, |
| peak_bps_); |
| } |
| } |
| |
| } // namespace media |