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// Copyright 2018 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/media/android/browser_gpu_video_accelerator_factories.h"
#include "base/functional/bind.h"
#include "base/task/sequenced_task_runner.h"
#include "content/browser/browser_main_loop.h"
#include "content/public/browser/android/gpu_video_accelerator_factories_provider.h"
#include "content/public/common/gpu_stream_constants.h"
#include "gpu/command_buffer/client/shared_memory_limits.h"
#include "gpu/command_buffer/common/context_creation_attribs.h"
#include "gpu/ipc/client/command_buffer_proxy_impl.h"
#include "gpu/ipc/client/gpu_channel_host.h"
#include "media/gpu/gpu_video_accelerator_util.h"
#include "services/viz/public/cpp/gpu/context_provider_command_buffer.h"
namespace content {
namespace {
void OnGpuChannelEstablished(
GpuVideoAcceleratorFactoriesCallback callback,
scoped_refptr<gpu::GpuChannelHost> gpu_channel_host) {
gpu::ContextCreationAttribs attributes;
attributes.bind_generates_resource = false;
attributes.enable_raster_interface = true;
attributes.enable_gpu_rasterization = true;
attributes.enable_gles2_interface = false;
attributes.enable_grcontext = false;
int32_t stream_id = kGpuStreamIdDefault;
gpu::SchedulingPriority stream_priority = kGpuStreamPriorityUI;
constexpr bool automatic_flushes = false;
constexpr bool support_locking = false;
auto context_provider =
base::MakeRefCounted<viz::ContextProviderCommandBuffer>(
std::move(gpu_channel_host), stream_id, stream_priority,
GURL(std::string("chrome://gpu/"
"BrowserGpuVideoAcceleratorFactories::"
"CreateGpuVideoAcceleratorFactories")),
automatic_flushes, support_locking,
gpu::SharedMemoryLimits::ForMailboxContext(), attributes,
viz::command_buffer_metrics::ContextType::UNKNOWN);
context_provider->BindToCurrentSequence();
auto gpu_factories = std::make_unique<BrowserGpuVideoAcceleratorFactories>(
std::move(context_provider));
std::move(callback).Run(std::move(gpu_factories));
}
} // namespace
void CreateGpuVideoAcceleratorFactories(
GpuVideoAcceleratorFactoriesCallback callback) {
BrowserMainLoop::GetInstance()
->gpu_channel_establish_factory()
->EstablishGpuChannel(
base::BindOnce(&OnGpuChannelEstablished, std::move(callback)));
}
BrowserGpuVideoAcceleratorFactories::BrowserGpuVideoAcceleratorFactories(
scoped_refptr<viz::ContextProviderCommandBuffer> context_provider)
: context_provider_(std::move(context_provider)) {}
BrowserGpuVideoAcceleratorFactories::~BrowserGpuVideoAcceleratorFactories() =
default;
bool BrowserGpuVideoAcceleratorFactories::IsGpuVideoDecodeAcceleratorEnabled() {
return false;
}
bool BrowserGpuVideoAcceleratorFactories::IsGpuVideoEncodeAcceleratorEnabled() {
return false;
}
void BrowserGpuVideoAcceleratorFactories::GetChannelToken(
gpu::mojom::GpuChannel::GetChannelTokenCallback cb) {
DCHECK(cb);
if (!channel_token_.is_empty()) {
// Use cached token.
std::move(cb).Run(channel_token_);
return;
}
// Retrieve a channel token if needed.
bool request_channel_token = channel_token_callbacks_.empty();
channel_token_callbacks_.AddUnsafe(std::move(cb));
if (request_channel_token) {
context_provider_->GetCommandBufferProxy()->GetGpuChannel().GetChannelToken(
base::BindOnce(
&BrowserGpuVideoAcceleratorFactories::OnChannelTokenReady,
base::Unretained(this)));
}
}
void BrowserGpuVideoAcceleratorFactories::OnChannelTokenReady(
const base::UnguessableToken& token) {
channel_token_ = token;
channel_token_callbacks_.Notify(channel_token_);
DCHECK(channel_token_callbacks_.empty());
}
int32_t BrowserGpuVideoAcceleratorFactories::GetCommandBufferRouteId() {
return context_provider_->GetCommandBufferProxy()->route_id();
}
media::GpuVideoAcceleratorFactories::Supported
BrowserGpuVideoAcceleratorFactories::IsDecoderConfigSupported(
const media::VideoDecoderConfig& config) {
// Tell the caller to just try it, there are no other decoders to fall back on
// anyway.
return media::GpuVideoAcceleratorFactories::Supported::kTrue;
}
media::VideoDecoderType BrowserGpuVideoAcceleratorFactories::GetDecoderType() {
return media::VideoDecoderType::kMediaCodec;
}
bool BrowserGpuVideoAcceleratorFactories::IsDecoderSupportKnown() {
return true;
}
void BrowserGpuVideoAcceleratorFactories::NotifyDecoderSupportKnown(
base::OnceClosure callback) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(FROM_HERE,
std::move(callback));
}
std::unique_ptr<media::VideoDecoder>
BrowserGpuVideoAcceleratorFactories::CreateVideoDecoder(
media::MediaLog* media_log,
media::RequestOverlayInfoCB request_overlay_info_cb) {
return nullptr;
}
std::unique_ptr<media::VideoEncodeAccelerator>
BrowserGpuVideoAcceleratorFactories::CreateVideoEncodeAccelerator() {
return nullptr;
}
bool BrowserGpuVideoAcceleratorFactories::
ShouldUseGpuMemoryBuffersForVideoFrames(bool for_media_stream) const {
return false;
}
media::GpuVideoAcceleratorFactories::OutputFormat
BrowserGpuVideoAcceleratorFactories::VideoFrameOutputFormat(
media::VideoPixelFormat pixel_format) {
return GpuVideoAcceleratorFactories::OutputFormat::UNDEFINED;
}
gpu::SharedImageInterface*
BrowserGpuVideoAcceleratorFactories::SharedImageInterface() {
NOTREACHED();
}
base::UnsafeSharedMemoryRegion
BrowserGpuVideoAcceleratorFactories::CreateSharedMemoryRegion(size_t size) {
return {};
}
scoped_refptr<base::SequencedTaskRunner>
BrowserGpuVideoAcceleratorFactories::GetTaskRunner() {
return nullptr;
}
std::optional<media::VideoEncodeAccelerator::SupportedProfiles>
BrowserGpuVideoAcceleratorFactories::
GetVideoEncodeAcceleratorSupportedProfiles() {
return media::VideoEncodeAccelerator::SupportedProfiles();
}
std::optional<media::SupportedVideoDecoderConfigs>
BrowserGpuVideoAcceleratorFactories::GetSupportedVideoDecoderConfigs() {
return std::nullopt;
}
bool BrowserGpuVideoAcceleratorFactories::IsEncoderSupportKnown() {
return true;
}
void BrowserGpuVideoAcceleratorFactories::NotifyEncoderSupportKnown(
base::OnceClosure callback) {
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(FROM_HERE,
std::move(callback));
}
viz::RasterContextProvider*
BrowserGpuVideoAcceleratorFactories::GetMediaContextProvider() {
return context_provider_.get();
}
const gpu::Capabilities*
BrowserGpuVideoAcceleratorFactories::ContextCapabilities() {
return context_provider_ ? &(context_provider_->ContextCapabilities())
: nullptr;
}
void BrowserGpuVideoAcceleratorFactories::SetRenderingColorSpace(
const gfx::ColorSpace& color_space) {}
const gfx::ColorSpace&
BrowserGpuVideoAcceleratorFactories::GetRenderingColorSpace() const {
static constexpr gfx::ColorSpace cs = gfx::ColorSpace::CreateSRGB();
return cs;
}
} // namespace content
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