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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/renderer_host/media/fake_video_capture_device_launcher.h"
#include <memory>
#include <optional>
#include "base/functional/bind.h"
#include "base/functional/callback_forward.h"
#include "base/memory/scoped_refptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/token.h"
#include "content/public/browser/browser_context.h"
#include "media/capture/mojom/video_capture_types.mojom.h"
#include "media/capture/video/video_capture_buffer_pool_impl.h"
#include "media/capture/video/video_capture_buffer_tracker_factory_impl.h"
#include "media/capture/video/video_capture_device_client.h"
#include "media/capture/video/video_frame_receiver_on_task_runner.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "media/capture/video/chromeos/video_capture_jpeg_decoder.h"
#endif // BUILDFLAG(IS_CHROMEOS)
namespace {
class FakeLaunchedVideoCaptureDevice
: public content::LaunchedVideoCaptureDevice {
public:
explicit FakeLaunchedVideoCaptureDevice(
std::unique_ptr<media::VideoCaptureDevice> device)
: device_(std::move(device)) {}
~FakeLaunchedVideoCaptureDevice() override { device_->StopAndDeAllocate(); }
void GetPhotoState(
media::VideoCaptureDevice::GetPhotoStateCallback callback) override {
device_->GetPhotoState(std::move(callback));
}
void SetPhotoOptions(
media::mojom::PhotoSettingsPtr settings,
media::VideoCaptureDevice::SetPhotoOptionsCallback callback) override {
device_->SetPhotoOptions(std::move(settings), std::move(callback));
}
void TakePhoto(
media::VideoCaptureDevice::TakePhotoCallback callback) override {
device_->TakePhoto(std::move(callback));
}
void MaybeSuspendDevice() override { device_->MaybeSuspend(); }
void ResumeDevice() override { device_->Resume(); }
void ApplySubCaptureTarget(
media::mojom::SubCaptureTargetType type,
const base::Token& target,
uint32_t sub_capture_target_version,
base::OnceCallback<void(media::mojom::ApplySubCaptureTargetResult)>
callback) override {
device_->ApplySubCaptureTarget(type, target, sub_capture_target_version,
std::move(callback));
}
void RequestRefreshFrame() override { device_->RequestRefreshFrame(); }
void SetDesktopCaptureWindowIdAsync(gfx::NativeViewId window_id,
base::OnceClosure done_cb) override {
// Do nothing.
}
void OnUtilizationReport(media::VideoCaptureFeedback feedback) override {
device_->OnUtilizationReport(feedback);
}
private:
std::unique_ptr<media::VideoCaptureDevice> device_;
};
} // anonymous namespace
namespace content {
FakeVideoCaptureDeviceLauncher::FakeVideoCaptureDeviceLauncher(
media::VideoCaptureSystem* system)
: system_(system) {
DCHECK(system_);
}
FakeVideoCaptureDeviceLauncher::~FakeVideoCaptureDeviceLauncher() = default;
void FakeVideoCaptureDeviceLauncher::LaunchDeviceAsync(
const std::string& device_id,
blink::mojom::MediaStreamType stream_type,
const media::VideoCaptureParams& params,
base::WeakPtr<media::VideoFrameReceiver> receiver,
base::OnceClosure connection_lost_cb,
Callbacks* callbacks,
base::OnceClosure done_cb) {
auto device = system_->CreateDevice(device_id).ReleaseDevice();
#if BUILDFLAG(IS_WIN)
auto buffer_pool = base::MakeRefCounted<media::VideoCaptureBufferPoolImpl>(
params.buffer_type, 10,
std::make_unique<media::VideoCaptureBufferTrackerFactoryImpl>(
system_->GetFactory()->GetDxgiDeviceManager()));
#else
auto buffer_pool = base::MakeRefCounted<media::VideoCaptureBufferPoolImpl>(
media::VideoCaptureBufferType::kSharedMemory);
#endif // BUILDFLAG(IS_WIN)
#if BUILDFLAG(IS_CHROMEOS)
auto device_client = std::make_unique<media::VideoCaptureDeviceClient>(
std::make_unique<media::VideoFrameReceiverOnTaskRunner>(
receiver, base::SingleThreadTaskRunner::GetCurrentDefault()),
std::move(buffer_pool), base::BindRepeating([]() {
return std::unique_ptr<media::VideoCaptureJpegDecoder>();
}));
#else
auto device_client = std::make_unique<media::VideoCaptureDeviceClient>(
std::make_unique<media::VideoFrameReceiverOnTaskRunner>(
receiver, base::SingleThreadTaskRunner::GetCurrentDefault()),
std::move(buffer_pool));
#endif // BUILDFLAG(IS_CHROMEOS)
device->AllocateAndStart(params, std::move(device_client));
auto launched_device =
std::make_unique<FakeLaunchedVideoCaptureDevice>(std::move(device));
callbacks->OnDeviceLaunched(std::move(launched_device));
}
void FakeVideoCaptureDeviceLauncher::AbortLaunch() {
// Do nothing.
}
} // namespace content
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