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// 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 "remoting/protocol/webrtc_video_encoder_factory.h"
#include "base/check.h"
#include "base/task/single_thread_task_runner.h"
#include "base/task/thread_pool.h"
#include "remoting/protocol/video_channel_state_observer.h"
#include "remoting/protocol/webrtc_video_encoder_wrapper.h"
#include "third_party/webrtc/api/video_codecs/video_codec.h"
#if defined(USE_H264_ENCODER)
#include "remoting/codec/webrtc_video_encoder_gpu.h"
#endif
namespace remoting::protocol {
WebrtcVideoEncoderFactory::WebrtcVideoEncoderFactory()
: main_task_runner_(base::SingleThreadTaskRunner::GetCurrentDefault()) {
#if defined(USE_H264_ENCODER)
// This call will query the underlying media classes to determine whether
// hardware encoding is supported or not. We use a default resolution and
// framerate so the call doesn't fail due to invalid params.
if (WebrtcVideoEncoderGpu::IsSupportedByH264({{1920, 1080}, 30})) {
supported_formats_.emplace_back("H264");
}
#endif
}
WebrtcVideoEncoderFactory::~WebrtcVideoEncoderFactory() = default;
std::unique_ptr<webrtc::VideoEncoder> WebrtcVideoEncoderFactory::Create(
const webrtc::Environment& /*env*/,
const webrtc::SdpVideoFormat& format) {
return std::make_unique<WebrtcVideoEncoderWrapper>(
format, session_options_, main_task_runner_,
base::ThreadPool::CreateSingleThreadTaskRunner(
{base::TaskPriority::HIGHEST},
base::SingleThreadTaskRunnerThreadMode::DEDICATED),
event_router_.GetWeakPtr());
}
std::vector<webrtc::SdpVideoFormat>
WebrtcVideoEncoderFactory::GetSupportedFormats() const {
return supported_formats_;
}
void WebrtcVideoEncoderFactory::ApplySessionOptions(
const SessionOptions& options) {
DCHECK(main_task_runner_->BelongsToCurrentThread());
session_options_ = options;
}
} // namespace remoting::protocol
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