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// Copyright 2017 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 "media/capture/video/chromeos/video_capture_device_factory_chromeos.h"
#include <utility>
#include "base/memory/ptr_util.h"
#include "media/base/bind_to_current_loop.h"
#include "media/capture/video/chromeos/camera_app_device_bridge_impl.h"
#if BUILDFLAG(IS_CHROMEOS_ASH)
#include "media/capture/video/chromeos/ash/camera_hal_dispatcher_impl.h"
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
namespace media {
namespace {
gpu::GpuMemoryBufferManager* g_gpu_buffer_manager = nullptr;
} // namespace
VideoCaptureDeviceFactoryChromeOS::VideoCaptureDeviceFactoryChromeOS(
scoped_refptr<base::SingleThreadTaskRunner> task_runner_for_screen_observer)
: task_runner_for_screen_observer_(task_runner_for_screen_observer),
camera_hal_ipc_thread_("CameraHalIpcThread"),
initialized_(Init()) {}
VideoCaptureDeviceFactoryChromeOS::~VideoCaptureDeviceFactoryChromeOS() {
CameraAppDeviceBridgeImpl::GetInstance()->UnsetCameraInfoGetter();
auto* camera_app_device_bridge = CameraAppDeviceBridgeImpl::GetInstance();
camera_app_device_bridge->UnsetCameraInfoGetter();
camera_app_device_bridge->UnsetVirtualDeviceController();
camera_hal_delegate_->Reset();
camera_hal_ipc_thread_.Stop();
}
std::unique_ptr<VideoCaptureDevice>
VideoCaptureDeviceFactoryChromeOS::CreateDevice(
const VideoCaptureDeviceDescriptor& device_descriptor) {
DCHECK(thread_checker_.CalledOnValidThread());
if (!initialized_) {
return std::unique_ptr<VideoCaptureDevice>();
}
return camera_hal_delegate_->CreateDevice(task_runner_for_screen_observer_,
device_descriptor);
}
void VideoCaptureDeviceFactoryChromeOS::GetDevicesInfo(
GetDevicesInfoCallback callback) {
DCHECK(thread_checker_.CalledOnValidThread());
if (!initialized_) {
std::move(callback).Run({});
return;
}
camera_hal_delegate_->GetDevicesInfo(std::move(callback));
}
// static
gpu::GpuMemoryBufferManager*
VideoCaptureDeviceFactoryChromeOS::GetBufferManager() {
return g_gpu_buffer_manager;
}
// static
void VideoCaptureDeviceFactoryChromeOS::SetGpuBufferManager(
gpu::GpuMemoryBufferManager* buffer_manager) {
g_gpu_buffer_manager = buffer_manager;
}
bool VideoCaptureDeviceFactoryChromeOS::Init() {
if (!camera_hal_ipc_thread_.Start()) {
LOG(ERROR) << "Module thread failed to start";
return false;
}
#if BUILDFLAG(IS_CHROMEOS_ASH)
if (!CameraHalDispatcherImpl::GetInstance()->IsStarted()) {
LOG(ERROR) << "CameraHalDispatcherImpl is not started";
return false;
}
#endif // BUILDFLAG(IS_CHROMEOS_ASH)
camera_hal_delegate_ =
new CameraHalDelegate(camera_hal_ipc_thread_.task_runner());
if (!camera_hal_delegate_->RegisterCameraClient()) {
LOG(ERROR) << "Failed to register camera client";
return false;
}
// Since we will unset camera info getter and virtual device controller before
// invalidate |camera_hal_delegate_| in the destructor, it should be safe to
// use base::Unretained() here.
auto* camera_app_device_bridge = CameraAppDeviceBridgeImpl::GetInstance();
camera_app_device_bridge->SetCameraInfoGetter(
base::BindRepeating(&CameraHalDelegate::GetCameraInfoFromDeviceId,
base::Unretained(camera_hal_delegate_.get())));
camera_app_device_bridge->SetVirtualDeviceController(
base::BindRepeating(&CameraHalDelegate::EnableVirtualDevice,
base::Unretained(camera_hal_delegate_.get())));
return true;
}
} // namespace media
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