| // Copyright 2020 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. |
| |
| #ifndef MEDIA_CAPTURE_VIDEO_MAC_GPU_MEMORY_BUFFER_TRACKER_MAC_H_ |
| #define MEDIA_CAPTURE_VIDEO_MAC_GPU_MEMORY_BUFFER_TRACKER_MAC_H_ |
| |
| #include "media/capture/video/video_capture_buffer_tracker.h" |
| #include "ui/gfx/geometry/size.h" |
| #include "ui/gfx/mac/io_surface.h" |
| |
| namespace media { |
| |
| class CAPTURE_EXPORT GpuMemoryBufferTrackerMac final |
| : public VideoCaptureBufferTracker { |
| public: |
| GpuMemoryBufferTrackerMac(); |
| explicit GpuMemoryBufferTrackerMac( |
| base::ScopedCFTypeRef<IOSurfaceRef> io_surface); |
| |
| GpuMemoryBufferTrackerMac(const GpuMemoryBufferTrackerMac&) = delete; |
| GpuMemoryBufferTrackerMac& operator=(const GpuMemoryBufferTrackerMac&) = |
| delete; |
| |
| ~GpuMemoryBufferTrackerMac() override; |
| |
| // VideoCaptureBufferTracker |
| bool Init(const gfx::Size& dimensions, |
| VideoPixelFormat format, |
| const mojom::PlaneStridesPtr& strides) override; |
| bool IsSameGpuMemoryBuffer( |
| const gfx::GpuMemoryBufferHandle& handle) const override; |
| bool IsReusableForFormat(const gfx::Size& dimensions, |
| VideoPixelFormat format, |
| const mojom::PlaneStridesPtr& strides) override; |
| uint32_t GetMemorySizeInBytes() override; |
| std::unique_ptr<VideoCaptureBufferHandle> GetMemoryMappedAccess() override; |
| base::UnsafeSharedMemoryRegion DuplicateAsUnsafeRegion() override; |
| mojo::ScopedSharedBufferHandle DuplicateAsMojoBuffer() override; |
| gfx::GpuMemoryBufferHandle GetGpuMemoryBufferHandle() override; |
| void OnHeldByConsumersChanged(bool is_held_by_consumers) override; |
| |
| private: |
| bool is_external_io_surface_ = false; |
| gfx::ScopedIOSurface io_surface_; |
| |
| // External IOSurfaces come from a CVPixelBufferPool. An IOSurface in a |
| // CVPixelBufferPool will be reused by the pool as soon IOSurfaceIsInUse is |
| // false. To prevent reuse while consumers are accessing the IOSurface, use |
| // |in_use_for_consumers_| to maintain IOSurfaceIsInUse as true. |
| gfx::ScopedInUseIOSurface in_use_for_consumers_; |
| }; |
| |
| } // namespace media |
| |
| #endif // MEDIA_CAPTURE_VIDEO_MAC_GPU_MEMORY_BUFFER_TRACKER_MAC_H_ |