mirror of
https://github.com/mollyim/webrtc.git
synced 2025-05-13 13:50:40 +01:00
802e8e5fdb
git ls-files | grep -e "\(\.h\|\.cc\)$" | grep -e "^rtc_base/" | xargs clang-format -i ; git cl format after landing: add to .git-blame-ignore-revs Bug: webrtc:15082 Change-Id: I152228f7c7926adf95d2f3fbbe4178556fd75d0d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/302061 Reviewed-by: Florent Castelli <orphis@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39914}
64 lines
2 KiB
C++
64 lines
2 KiB
C++
/*
|
|
* Copyright 2018 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 RTC_BASE_EXPERIMENTS_CPU_SPEED_EXPERIMENT_H_
|
|
#define RTC_BASE_EXPERIMENTS_CPU_SPEED_EXPERIMENT_H_
|
|
|
|
#include <vector>
|
|
|
|
#include "absl/types/optional.h"
|
|
#include "rtc_base/experiments/field_trial_parser.h"
|
|
|
|
namespace webrtc {
|
|
|
|
class CpuSpeedExperiment {
|
|
public:
|
|
CpuSpeedExperiment();
|
|
~CpuSpeedExperiment();
|
|
|
|
// Example:
|
|
// WebRTC-VP8-CpuSpeed-Arm/pixels:100|200|300,cpu_speed:-1|-2|-3/
|
|
// pixels <= 100 -> cpu speed: -1
|
|
// pixels <= 200 -> cpu speed: -2
|
|
// pixels <= 300 -> cpu speed: -3
|
|
|
|
// WebRTC-VP8-CpuSpeed-Arm/pixels:100|200|300,cpu_speed:-1|-2|-3/,
|
|
// cpu_speed_le_cores:-4|-5|-6,cores:3/
|
|
// If `num_cores` > 3
|
|
// pixels <= 100 -> cpu speed: -1
|
|
// pixels <= 200 -> cpu speed: -2
|
|
// pixels <= 300 -> cpu speed: -3
|
|
// else
|
|
// pixels <= 100 -> cpu speed: -4
|
|
// pixels <= 200 -> cpu speed: -5
|
|
// pixels <= 300 -> cpu speed: -6
|
|
|
|
struct Config {
|
|
int pixels = 0; // The video frame size.
|
|
int cpu_speed = 0; // The `cpu_speed` to be used if the frame size is less
|
|
// than or equal to `pixels`.
|
|
// Optional.
|
|
int cpu_speed_le_cores = 0; // Same as `cpu_speed` above but only used if
|
|
// `num_cores` <= `cores_`.
|
|
};
|
|
|
|
// Gets the cpu speed based on `pixels` and `num_cores`.
|
|
absl::optional<int> GetValue(int pixels, int num_cores) const;
|
|
|
|
private:
|
|
std::vector<Config> configs_;
|
|
|
|
// Threshold for when to use `cpu_speed_le_cores`.
|
|
FieldTrialOptional<int> cores_;
|
|
};
|
|
|
|
} // namespace webrtc
|
|
|
|
#endif // RTC_BASE_EXPERIMENTS_CPU_SPEED_EXPERIMENT_H_
|