| // Copyright 2021 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "remoting/codec/webrtc_video_encoder.h" |
| |
| #include "base/system/sys_info.h" |
| |
| namespace remoting { |
| |
| WebrtcVideoEncoder::EncodedFrame::EncodedFrame() = default; |
| WebrtcVideoEncoder::EncodedFrame::~EncodedFrame() = default; |
| WebrtcVideoEncoder::EncodedFrame::EncodedFrame( |
| WebrtcVideoEncoder::EncodedFrame&&) = default; |
| WebrtcVideoEncoder::EncodedFrame& WebrtcVideoEncoder::EncodedFrame::operator=( |
| WebrtcVideoEncoder::EncodedFrame&&) = default; |
| |
| // static |
| int WebrtcVideoEncoder::GetEncoderThreadCount(int frame_width) { |
| int thread_num; |
| if (frame_width >= 3840) { |
| thread_num = 16; |
| } else if (frame_width >= 2560) { |
| thread_num = 8; |
| } else if (frame_width >= 1280) { |
| thread_num = 4; |
| } else if (frame_width >= 720) { |
| thread_num = 2; |
| } else { |
| thread_num = 1; |
| } |
| |
| // Allow multiple cores on a system to be used for encoding to increase |
| // performance while at the same time ensuring we don't bog down the system by |
| // taking all of the available cores. |
| return std::min(thread_num, ((base::SysInfo::NumberOfProcessors() + 1) / 2)); |
| } |
| |
| } // namespace remoting |