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// Copyright 2016 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/gpu/gpu_video_decode_accelerator_factory.h"
#include <memory>
#include "base/memory/ptr_util.h"
#include "base/threading/thread_task_runner_handle.h"
#include "build/build_config.h"
#include "gpu/config/gpu_preferences.h"
#include "media/base/media_switches.h"
#include "media/gpu/buildflags.h"
#include "media/gpu/gpu_video_accelerator_util.h"
#include "media/gpu/macros.h"
#include "media/gpu/media_gpu_export.h"
#include "media/media_buildflags.h"
#if defined(OS_WIN)
#include "base/win/windows_version.h"
#include "media/gpu/windows/dxva_video_decode_accelerator_win.h"
#endif
#if defined(OS_MAC)
#include "media/gpu/mac/vt_video_decode_accelerator_mac.h"
#endif
#if BUILDFLAG(USE_V4L2_CODEC)
#include "media/gpu/v4l2/v4l2_device.h"
#include "media/gpu/v4l2/v4l2_slice_video_decode_accelerator.h"
#include "media/gpu/v4l2/v4l2_video_decode_accelerator.h"
#include "ui/gl/gl_surface_egl.h"
#endif
#if BUILDFLAG(USE_VAAPI)
#include "media/gpu/vaapi/vaapi_video_decode_accelerator.h"
#include "ui/gl/gl_implementation.h"
#endif
namespace media {
namespace {
gpu::VideoDecodeAcceleratorCapabilities GetDecoderCapabilitiesInternal(
const gpu::GpuPreferences& gpu_preferences,
const gpu::GpuDriverBugWorkarounds& workarounds) {
if (gpu_preferences.disable_accelerated_video_decode)
return gpu::VideoDecodeAcceleratorCapabilities();
// Query VDAs for their capabilities and construct a set of supported
// profiles for current platform. This must be done in the same order as in
// CreateVDA(), as we currently preserve additional capabilities (such as
// resolutions supported) only for the first VDA supporting the given codec
// profile (instead of calculating a superset).
// TODO(posciak,henryhsu): improve this so that we choose a superset of
// resolutions and other supported profile parameters.
VideoDecodeAccelerator::Capabilities capabilities;
#if defined(OS_WIN)
capabilities.supported_profiles =
DXVAVideoDecodeAccelerator::GetSupportedProfiles(gpu_preferences,
workarounds);
#elif BUILDFLAG(USE_CHROMEOS_MEDIA_ACCELERATION)
VideoDecodeAccelerator::SupportedProfiles vda_profiles;
#if BUILDFLAG(USE_V4L2_CODEC)
vda_profiles = V4L2VideoDecodeAccelerator::GetSupportedProfiles();
GpuVideoAcceleratorUtil::InsertUniqueDecodeProfiles(
vda_profiles, &capabilities.supported_profiles);
vda_profiles = V4L2SliceVideoDecodeAccelerator::GetSupportedProfiles();
GpuVideoAcceleratorUtil::InsertUniqueDecodeProfiles(
vda_profiles, &capabilities.supported_profiles);
#endif
#if BUILDFLAG(USE_VAAPI)
vda_profiles = VaapiVideoDecodeAccelerator::GetSupportedProfiles(workarounds);
GpuVideoAcceleratorUtil::InsertUniqueDecodeProfiles(
vda_profiles, &capabilities.supported_profiles);
#endif
#elif defined(OS_MAC)
capabilities.supported_profiles =
VTVideoDecodeAccelerator::GetSupportedProfiles(workarounds);
#endif
return GpuVideoAcceleratorUtil::ConvertMediaToGpuDecodeCapabilities(
capabilities);
}
} // namespace
// static
MEDIA_GPU_EXPORT std::unique_ptr<GpuVideoDecodeAcceleratorFactory>
GpuVideoDecodeAcceleratorFactory::Create(
const GpuVideoDecodeGLClient& gl_client) {
return base::WrapUnique(new GpuVideoDecodeAcceleratorFactory(gl_client));
}
// static
MEDIA_GPU_EXPORT gpu::VideoDecodeAcceleratorCapabilities
GpuVideoDecodeAcceleratorFactory::GetDecoderCapabilities(
const gpu::GpuPreferences& gpu_preferences,
const gpu::GpuDriverBugWorkarounds& workarounds) {
// Cache the capabilities so that they will not be computed more than once per
// GPU process. It is assumed that |gpu_preferences| and |workarounds| do not
// change between calls.
// TODO(sandersd): Move cache to GpuMojoMediaClient once
// |video_decode_accelerator_capabilities| is removed from GPUInfo.
static gpu::VideoDecodeAcceleratorCapabilities capabilities =
GetDecoderCapabilitiesInternal(gpu_preferences, workarounds);
#if BUILDFLAG(USE_V4L2_CODEC)
// V4L2-only: the decoder devices may not be visible at the time the GPU
// process is starting. If the capabilities vector is empty, try to query the
// devices again in the hope that they will have appeared in the meantime.
// TODO(crbug.com/948147): trigger query when an device add/remove event
// (e.g. via udev) has happened instead.
if (capabilities.supported_profiles.empty()) {
VLOGF(1) << "Capabilities empty, querying again...";
capabilities = GetDecoderCapabilitiesInternal(gpu_preferences, workarounds);
}
#endif
return capabilities;
}
MEDIA_GPU_EXPORT std::unique_ptr<VideoDecodeAccelerator>
GpuVideoDecodeAcceleratorFactory::CreateVDA(
VideoDecodeAccelerator::Client* client,
const VideoDecodeAccelerator::Config& config,
const gpu::GpuDriverBugWorkarounds& workarounds,
const gpu::GpuPreferences& gpu_preferences,
MediaLog* media_log) {
DCHECK(thread_checker_.CalledOnValidThread());
if (gpu_preferences.disable_accelerated_video_decode)
return nullptr;
// Array of Create..VDA() function pointers, potentially usable on current
// platform. This list is ordered by priority, from most to least preferred,
// if applicable. This list must be in the same order as the querying order
// in GetDecoderCapabilities() above.
using CreateVDAFp = std::unique_ptr<VideoDecodeAccelerator> (
GpuVideoDecodeAcceleratorFactory::*)(const gpu::GpuDriverBugWorkarounds&,
const gpu::GpuPreferences&,
MediaLog* media_log) const;
const CreateVDAFp create_vda_fps[] = {
#if defined(OS_WIN)
&GpuVideoDecodeAcceleratorFactory::CreateDXVAVDA,
#endif
#if BUILDFLAG(USE_VAAPI)
&GpuVideoDecodeAcceleratorFactory::CreateVaapiVDA,
#endif
#if BUILDFLAG(USE_V4L2_CODEC)
&GpuVideoDecodeAcceleratorFactory::CreateV4L2VDA,
&GpuVideoDecodeAcceleratorFactory::CreateV4L2SVDA,
#endif
#if defined(OS_MAC)
&GpuVideoDecodeAcceleratorFactory::CreateVTVDA,
#endif
};
std::unique_ptr<VideoDecodeAccelerator> vda;
for (const auto& create_vda_function : create_vda_fps) {
vda = (this->*create_vda_function)(workarounds, gpu_preferences, media_log);
if (vda && vda->Initialize(config, client))
return vda;
}
return nullptr;
}
#if defined(OS_WIN)
std::unique_ptr<VideoDecodeAccelerator>
GpuVideoDecodeAcceleratorFactory::CreateDXVAVDA(
const gpu::GpuDriverBugWorkarounds& workarounds,
const gpu::GpuPreferences& gpu_preferences,
MediaLog* media_log) const {
std::unique_ptr<VideoDecodeAccelerator> decoder;
DVLOG(0) << "Initializing DXVA HW decoder for windows.";
decoder.reset(new DXVAVideoDecodeAccelerator(
gl_client_.get_context, gl_client_.make_context_current,
gl_client_.bind_image, workarounds, gpu_preferences, media_log));
return decoder;
}
#endif
#if BUILDFLAG(USE_V4L2_CODEC)
std::unique_ptr<VideoDecodeAccelerator>
GpuVideoDecodeAcceleratorFactory::CreateV4L2VDA(
const gpu::GpuDriverBugWorkarounds& workarounds,
const gpu::GpuPreferences& gpu_preferences,
MediaLog* media_log) const {
std::unique_ptr<VideoDecodeAccelerator> decoder;
scoped_refptr<V4L2Device> device = V4L2Device::Create();
if (device.get()) {
decoder.reset(new V4L2VideoDecodeAccelerator(
gl::GLSurfaceEGL::GetHardwareDisplay(), gl_client_.get_context,
gl_client_.make_context_current, device));
}
return decoder;
}
std::unique_ptr<VideoDecodeAccelerator>
GpuVideoDecodeAcceleratorFactory::CreateV4L2SVDA(
const gpu::GpuDriverBugWorkarounds& workarounds,
const gpu::GpuPreferences& gpu_preferences,
MediaLog* media_log) const {
std::unique_ptr<VideoDecodeAccelerator> decoder;
scoped_refptr<V4L2Device> device = V4L2Device::Create();
if (device.get()) {
decoder.reset(new V4L2SliceVideoDecodeAccelerator(
device, gl::GLSurfaceEGL::GetHardwareDisplay(), gl_client_.bind_image,
gl_client_.make_context_current));
}
return decoder;
}
#endif
#if BUILDFLAG(USE_VAAPI)
std::unique_ptr<VideoDecodeAccelerator>
GpuVideoDecodeAcceleratorFactory::CreateVaapiVDA(
const gpu::GpuDriverBugWorkarounds& workarounds,
const gpu::GpuPreferences& gpu_preferences,
MediaLog* media_log) const {
std::unique_ptr<VideoDecodeAccelerator> decoder;
decoder.reset(new VaapiVideoDecodeAccelerator(gl_client_.make_context_current,
gl_client_.bind_image));
return decoder;
}
#endif
#if defined(OS_MAC)
std::unique_ptr<VideoDecodeAccelerator>
GpuVideoDecodeAcceleratorFactory::CreateVTVDA(
const gpu::GpuDriverBugWorkarounds& workarounds,
const gpu::GpuPreferences& gpu_preferences,
MediaLog* media_log) const {
std::unique_ptr<VideoDecodeAccelerator> decoder;
decoder.reset(
new VTVideoDecodeAccelerator(gl_client_, workarounds, media_log));
return decoder;
}
#endif
GpuVideoDecodeAcceleratorFactory::GpuVideoDecodeAcceleratorFactory(
const GpuVideoDecodeGLClient& gl_client)
: gl_client_(gl_client) {}
GpuVideoDecodeAcceleratorFactory::~GpuVideoDecodeAcceleratorFactory() = default;
} // namespace media
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