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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 "components/chromeos_camera/gpu_mjpeg_decode_accelerator_factory.h"
#include <memory>
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/task/single_thread_task_runner.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 "base/memory/scoped_refptr.h"
#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) {
return std::make_unique<media::V4L2MjpegDecodeAccelerator>(
base::MakeRefCounted<media::V4L2Device>(), std::move(io_task_runner));
}
#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::SingleThreadTaskRunner::GetCurrentDefault());
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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