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7e18aeed6a
Implement WaylandDMABUFSurfaceImage which is backed by dma buf memory on Wayland and it holds decoded video images produced by ffmpeg va-api decoder. Differential Revision: https://phabricator.services.mozilla.com/D61678 --HG-- extra : moz-landing-system : lando
67 lines
2.1 KiB
C++
67 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef WAYLAND_SURFACE_DMABUF_H
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#define WAYLAND_SURFACE_DMABUF_H
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#include "ImageContainer.h"
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#include "mozilla/widget/WaylandDMABufSurface.h"
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#include "mozilla/gfx/Point.h"
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#include "mozilla/layers/TextureClient.h"
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namespace mozilla {
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namespace layers {
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// An alias for av_buffer_unref(AVBufferRef**)
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typedef void (*AVFrameReleaseCallback)(void** aFrameRef);
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class WaylandDMABUFSurfaceImage : public Image {
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public:
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explicit WaylandDMABUFSurfaceImage(WaylandDMABufSurface* aSurface,
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AVFrameReleaseCallback aReleaseCallback,
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void* aDecoder, void* aFrameRef)
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: Image(nullptr, ImageFormat::WAYLAND_DMABUF),
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mSurface(aSurface),
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mReleaseCallback(aReleaseCallback),
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mFrameRef(aFrameRef) {}
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~WaylandDMABUFSurfaceImage() {
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if (mReleaseCallback) {
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mReleaseCallback(&mFrameRef);
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}
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}
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WaylandDMABufSurface* GetSurface() { return mSurface; }
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gfx::IntSize GetSize() const override {
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return gfx::IntSize::Truncate(mSurface->GetWidth(), mSurface->GetHeight());
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}
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already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override {
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return nullptr;
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}
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TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
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private:
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RefPtr<WaylandDMABufSurface> mSurface;
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RefPtr<TextureClient> mTextureClient;
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// When WaylandDMABUFSurfaceImage is created on top of ffmpeg frame located at
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// GPU memory we need to keep it until painting of the frame is finished.
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// mReleaseCallback points to av_buffer_unref() from libva library.
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AVFrameReleaseCallback mReleaseCallback;
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// AVBufferRef* which points to a frame located at GPU.
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// We own this reference.
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void* mFrameRef;
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};
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} // namespace layers
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} // namespace mozilla
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#endif // WAYLAND_SURFACE_DMABUF_H
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