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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef MEDIA_GPU_ANDROID_DIRECT_SHARED_IMAGE_VIDEO_PROVIDER_H_
#define MEDIA_GPU_ANDROID_DIRECT_SHARED_IMAGE_VIDEO_PROVIDER_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/sequence_bound.h"
#include "gpu/command_buffer/service/gles2_cmd_decoder.h"
#include "gpu/command_buffer/service/ref_counted_lock.h"
#include "gpu/command_buffer/service/shared_image/shared_image_representation.h"
#include "gpu/command_buffer/service/texture_manager.h"
#include "gpu/command_buffer/service/texture_owner.h"
#include "gpu/ipc/common/vulkan_ycbcr_info.h"
#include "gpu/ipc/service/command_buffer_stub.h"
#include "media/base/video_frame.h"
#include "media/gpu/android/codec_image.h"
#include "media/gpu/android/maybe_render_early_manager.h"
#include "media/gpu/android/shared_image_video_provider.h"
#include "media/gpu/android/video_frame_factory.h"
#include "media/gpu/gles2_decoder_helper.h"
#include "media/gpu/media_gpu_export.h"
#include "ui/gl/gl_bindings.h"
namespace media {
class GpuSharedImageVideoFactory;
// SharedImageVideoProvider implementation that lives on the thread that it's
// created on, but hops to the GPU thread to create new shared images on demand.
class MEDIA_GPU_EXPORT DirectSharedImageVideoProvider
: public SharedImageVideoProvider,
public gpu::RefCountedLockHelperDrDc {
public:
DirectSharedImageVideoProvider(
scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner,
GetStubCB get_stub_cb,
scoped_refptr<gpu::RefCountedLock> drdc_lock);
DirectSharedImageVideoProvider(const DirectSharedImageVideoProvider&) =
delete;
DirectSharedImageVideoProvider& operator=(
const DirectSharedImageVideoProvider&) = delete;
~DirectSharedImageVideoProvider() override;
// SharedImageVideoProvider
void Initialize(GpuInitCB get_stub_cb) override;
void RequestImage(ImageReadyCB cb, const ImageSpec& spec) override;
private:
base::SequenceBound<GpuSharedImageVideoFactory> gpu_factory_;
scoped_refptr<base::SingleThreadTaskRunner> gpu_task_runner_;
};
// GpuSharedImageVideoFactory creates SharedImageVideo objects. It must be run
// on the gpu main thread.
//
// GpuSharedImageVideoFactory is an implementation detail of
// DirectSharedImageVideoProvider. It's here since we'll likely re-use it for
// the pool.
class GpuSharedImageVideoFactory
: public gpu::CommandBufferStub::DestructionObserver {
public:
explicit GpuSharedImageVideoFactory(
SharedImageVideoProvider::GetStubCB get_stub_cb);
GpuSharedImageVideoFactory(const GpuSharedImageVideoFactory&) = delete;
GpuSharedImageVideoFactory& operator=(const GpuSharedImageVideoFactory&) =
delete;
~GpuSharedImageVideoFactory() override;
// Will run |init_cb| with the shared context current. |init_cb| should not
// post, else the context won't be current.
void Initialize(SharedImageVideoProvider::GpuInitCB init_cb);
// Similar to SharedImageVideoProvider::ImageReadyCB, but provides additional
// details for the provider that's using us.
using FactoryImageReadyCB = SharedImageVideoProvider::ImageReadyCB;
// Creates a SharedImage for |spec|, and returns it via the callback.
// TODO(liberato): |texture_owner| is only needed to get the service id, to
// create the per-frame texture. All of that is only needed for legacy
// mailbox support, where we have to have one texture per CodecImage.
void CreateImage(FactoryImageReadyCB cb,
const SharedImageVideoProvider::ImageSpec& spec,
scoped_refptr<gpu::RefCountedLock> drdc_lock);
private:
// Creates a SharedImage for |mailbox|, and returns success or failure.
bool CreateImageInternal(const SharedImageVideoProvider::ImageSpec& spec,
gpu::Mailbox mailbox,
scoped_refptr<CodecImage> image,
scoped_refptr<gpu::RefCountedLock>);
void OnWillDestroyStub(bool have_context) override;
raw_ptr<gpu::CommandBufferStub> stub_ = nullptr;
bool is_vulkan_ = false;
THREAD_CHECKER(thread_checker_);
base::WeakPtrFactory<GpuSharedImageVideoFactory> weak_factory_{this};
};
} // namespace media
#endif // MEDIA_GPU_ANDROID_DIRECT_SHARED_IMAGE_VIDEO_PROVIDER_H_
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