Source code

Revision control

Copy as Markdown

Other Tools

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef GFX_D311_TEXTURE_IMF_SAMPLE_IMAGE_H
#define GFX_D311_TEXTURE_IMF_SAMPLE_IMAGE_H
#include "ImageContainer.h"
#include "mozilla/RefPtr.h"
#include "mozilla/gfx/Types.h"
#include "mozilla/layers/TextureClient.h"
#include "mozilla/layers/TextureD3D11.h"
#include "mozilla/ThreadSafeWeakPtr.h"
struct ID3D11Texture2D;
struct IMFSample;
namespace mozilla {
namespace gl {
class GLBlitHelper;
}
namespace layers {
class IMFSampleWrapper : public SupportsThreadSafeWeakPtr<IMFSampleWrapper> {
public:
MOZ_DECLARE_REFCOUNTED_TYPENAME(IMFSampleWrapper)
static RefPtr<IMFSampleWrapper> Create(IMFSample* aVideoSample);
virtual ~IMFSampleWrapper();
void ClearVideoSample();
protected:
explicit IMFSampleWrapper(IMFSample* aVideoSample);
RefPtr<IMFSample> mVideoSample;
};
class IMFSampleUsageInfo final {
public:
NS_INLINE_DECL_THREADSAFE_REFCOUNTING(IMFSampleUsageInfo)
IMFSampleUsageInfo() = default;
bool SupportsZeroCopyNV12Texture() { return mSupportsZeroCopyNV12Texture; }
void DisableZeroCopyNV12Texture() { mSupportsZeroCopyNV12Texture = false; }
protected:
~IMFSampleUsageInfo() = default;
Atomic<bool> mSupportsZeroCopyNV12Texture{true};
};
// Image class that wraps ID3D11Texture2D of IMFSample
// Expected to be used in GPU process.
class D3D11TextureIMFSampleImage final : public Image {
public:
D3D11TextureIMFSampleImage(IMFSample* aVideoSample, ID3D11Texture2D* aTexture,
uint32_t aArrayIndex, const gfx::IntSize& aSize,
const gfx::IntRect& aRect,
gfx::YUVColorSpace aColorSpace,
gfx::ColorRange aColorRange);
virtual ~D3D11TextureIMFSampleImage() = default;
void AllocateTextureClient(KnowsCompositor* aKnowsCompositor,
RefPtr<IMFSampleUsageInfo> aUsageInfo);
gfx::IntSize GetSize() const override;
already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
gfx::IntRect GetPictureRect() const override { return mPictureRect; }
ID3D11Texture2D* GetTexture() const;
RefPtr<IMFSampleWrapper> GetIMFSampleWrapper();
gfx::YUVColorSpace GetYUVColorSpace() const { return mYUVColorSpace; }
gfx::ColorRange GetColorRange() const { return mColorRange; }
private:
friend class gl::GLBlitHelper;
D3D11TextureData* GetData() const {
if (!mTextureClient) {
return nullptr;
}
return mTextureClient->GetInternalData()->AsD3D11TextureData();
}
// When ref of IMFSample is held, its ID3D11Texture2D is not reused by
// IMFTransform.
RefPtr<IMFSampleWrapper> mVideoSample;
RefPtr<ID3D11Texture2D> mTexture;
const uint32_t mArrayIndex;
const gfx::IntSize mSize;
const gfx::IntRect mPictureRect;
const gfx::YUVColorSpace mYUVColorSpace;
const gfx::ColorRange mColorRange;
RefPtr<TextureClient> mTextureClient;
};
} // namespace layers
} // namespace mozilla
#endif // GFX_D311_TEXTURE_IMF_SAMPLE_IMAGE_H