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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 "components/chromeos_camera/gpu_mjpeg_decode_accelerator_factory.h"
- #include "base/bind.h"
- #include "base/command_line.h"
- #include "base/task/single_thread_task_runner.h"
- #include "base/threading/thread_task_runner_handle.h"
- #include "build/build_config.h"
- #include "components/chromeos_camera/fake_mjpeg_decode_accelerator.h"
- #include "media/base/media_switches.h"
- #include "media/gpu/buildflags.h"
- #if BUILDFLAG(USE_V4L2_CODEC) && defined(ARCH_CPU_ARM_FAMILY)
- #define USE_V4L2_MJPEG_DECODE_ACCELERATOR
- #endif
- #if BUILDFLAG(USE_VAAPI)
- #include "media/gpu/vaapi/vaapi_mjpeg_decode_accelerator.h"
- #endif
- #if defined(USE_V4L2_MJPEG_DECODE_ACCELERATOR)
- #include "media/gpu/v4l2/v4l2_device.h"
- #include "media/gpu/v4l2/v4l2_mjpeg_decode_accelerator.h"
- #endif
- namespace chromeos_camera {
- namespace {
- #if defined(USE_V4L2_MJPEG_DECODE_ACCELERATOR)
- std::unique_ptr<MjpegDecodeAccelerator> CreateV4L2MjpegDecodeAccelerator(
- scoped_refptr<base::SingleThreadTaskRunner> io_task_runner) {
- std::unique_ptr<MjpegDecodeAccelerator> decoder;
- scoped_refptr<media::V4L2Device> device = media::V4L2Device::Create();
- if (device) {
- decoder.reset(new media::V4L2MjpegDecodeAccelerator(
- device, std::move(io_task_runner)));
- }
- return decoder;
- }
- #endif
- #if BUILDFLAG(USE_VAAPI)
- std::unique_ptr<MjpegDecodeAccelerator> CreateVaapiMjpegDecodeAccelerator(
- scoped_refptr<base::SingleThreadTaskRunner> io_task_runner) {
- return std::make_unique<media::VaapiMjpegDecodeAccelerator>(
- std::move(io_task_runner));
- }
- #endif
- std::unique_ptr<MjpegDecodeAccelerator> CreateFakeMjpegDecodeAccelerator(
- scoped_refptr<base::SingleThreadTaskRunner> io_task_runner) {
- return std::make_unique<FakeMjpegDecodeAccelerator>(
- std::move(io_task_runner));
- }
- } // namespace
- // static
- bool GpuMjpegDecodeAcceleratorFactory::IsAcceleratedJpegDecodeSupported() {
- auto accelerator_factory_functions = GetAcceleratorFactories();
- for (auto& factory_function : accelerator_factory_functions) {
- std::unique_ptr<MjpegDecodeAccelerator> accelerator =
- std::move(factory_function).Run(base::ThreadTaskRunnerHandle::Get());
- if (accelerator && accelerator->IsSupported())
- return true;
- }
- return false;
- }
- // static
- std::vector<GpuMjpegDecodeAcceleratorFactory::CreateAcceleratorCB>
- GpuMjpegDecodeAcceleratorFactory::GetAcceleratorFactories() {
- if (base::CommandLine::ForCurrentProcess()->HasSwitch(
- switches::kUseFakeMjpegDecodeAccelerator)) {
- std::vector<CreateAcceleratorCB> result;
- result.push_back(base::BindOnce(&CreateFakeMjpegDecodeAccelerator));
- return result;
- }
- // This list is ordered by priority of use.
- std::vector<CreateAcceleratorCB> result;
- #if defined(USE_V4L2_MJPEG_DECODE_ACCELERATOR)
- result.push_back(base::BindOnce(&CreateV4L2MjpegDecodeAccelerator));
- #endif
- #if BUILDFLAG(USE_VAAPI)
- result.push_back(base::BindOnce(&CreateVaapiMjpegDecodeAccelerator));
- #endif
- return result;
- }
- } // namespace chromeos_camera
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