| /* |
| * Copyright (C) 2016 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef STAGEFRIGHT_CODEC2_ALLOCATOR_GRALLOC_H_ |
| #define STAGEFRIGHT_CODEC2_ALLOCATOR_GRALLOC_H_ |
| |
| #include <functional> |
| |
| #include <C2Buffer.h> |
| |
| namespace android { |
| |
| /** |
| * Unwrap the native handle from a Codec2 handle allocated by C2AllocatorGralloc. |
| * |
| * @param handle a handle allocated by C2AllocatorGralloc. This includes handles returned for a |
| * graphic block allocation handle returned. |
| * |
| * @return a new NON-OWNING native handle that must be deleted using native_handle_delete. |
| */ |
| native_handle_t *UnwrapNativeCodec2GrallocHandle(const C2Handle *const handle); |
| |
| /** |
| * Wrap the gralloc handle and metadata into Codec2 handle recognized by |
| * C2AllocatorGralloc. |
| * |
| * @return a new NON-OWNING C2Handle that must be closed and deleted using native_handle_close and |
| * native_handle_delete. |
| */ |
| C2Handle *WrapNativeCodec2GrallocHandle( |
| const native_handle_t *const handle, |
| uint32_t width, uint32_t height, uint32_t format, uint64_t usage, uint32_t stride, |
| uint32_t generation = 0, uint64_t igbp_id = 0, uint32_t igbp_slot = 0); |
| |
| /** |
| * Extract pixel format from the extra data of gralloc handle. |
| * |
| * @return 0 when no valid pixel format exists. |
| */ |
| uint32_t ExtractFormatFromCodec2GrallocHandle(const C2Handle *const handle); |
| |
| /** |
| * When the gralloc handle is migrated to another bufferqueue, update |
| * bufferqueue information. |
| * |
| * @return {@code true} when native_handle is a wrapped codec2 handle. |
| */ |
| bool MigrateNativeCodec2GrallocHandle( |
| native_handle_t *handle, |
| uint32_t generation, uint64_t igbp_id, uint32_t igbp_slot); |
| |
| /** |
| * \todo Get this from the buffer |
| */ |
| void _UnwrapNativeCodec2GrallocMetadata( |
| const C2Handle *const handle, |
| uint32_t *width, uint32_t *height, uint32_t *format, uint64_t *usage, uint32_t *stride, |
| uint32_t *generation, uint64_t *igbp_id, uint32_t *igbp_slot); |
| |
| /** |
| * Unwrap the native handle from a Codec2 handle allocated by C2AllocatorAhwb. |
| * |
| * @param handle a handle allocated by C2AllocatorAhwb. This includes handles returned for a |
| * graphic block allocation handle based on an AHardwareBuffer. |
| * |
| * @return a new NON-OWNING native handle that must be deleted using native_handle_delete. |
| */ |
| native_handle_t *UnwrapNativeCodec2AhwbHandle(const C2Handle *const handle); |
| |
| /** |
| * Wrap the gralloc handle and metadata based on AHardwareBuffer into Codec2 handle |
| * recognized by C2AllocatorAhwb. |
| * |
| * @return a new NON-OWNING C2Handle that must be closed and deleted using native_handle_close and |
| * native_handle_delete. |
| */ |
| C2Handle *WrapNativeCodec2AhwbHandle( |
| const native_handle_t *const handle, |
| uint32_t width, uint32_t height, uint32_t format, uint64_t usage, uint32_t stride, |
| uint64_t origId); |
| |
| /** |
| * \todo Get this from the buffer |
| */ |
| void _UnwrapNativeCodec2AhwbMetadata( |
| const C2Handle *const handle, |
| uint32_t *width, uint32_t *height, uint32_t *format, uint64_t *usage, uint32_t *stride, |
| uint64_t *origId); |
| |
| class C2AllocatorGralloc : public C2Allocator { |
| public: |
| virtual id_t getId() const override; |
| |
| virtual C2String getName() const override; |
| |
| virtual std::shared_ptr<const Traits> getTraits() const override; |
| |
| virtual c2_status_t newGraphicAllocation( |
| uint32_t width, uint32_t height, uint32_t format, C2MemoryUsage usage, |
| std::shared_ptr<C2GraphicAllocation> *allocation) override; |
| |
| virtual c2_status_t priorGraphicAllocation( |
| const C2Handle *handle, |
| std::shared_ptr<C2GraphicAllocation> *allocation) override; |
| |
| C2AllocatorGralloc(id_t id, bool bufferQueue = false); |
| |
| c2_status_t status() const; |
| |
| virtual ~C2AllocatorGralloc() override; |
| |
| virtual bool checkHandle(const C2Handle* const o) const override { return CheckHandle(o); } |
| |
| static bool CheckHandle(const C2Handle* const o); |
| |
| // deprecated |
| static bool isValid(const C2Handle* const o) { return CheckHandle(o); } |
| |
| private: |
| class Impl; |
| Impl *mImpl; |
| }; |
| |
| /** |
| * C2Allocator for AHardwareBuffer based allocation. |
| * |
| * C2Allocator interface is based on C2Handle, which is actually wrapped |
| * native_handle_t. This is based on extracted handle from AHardwareBuffer. |
| * Trying to recover an AHardwareBuffer from C2GraphicAllocation created by the |
| * allocator will creates a new AHardwareBuffer with a different unique Id, but |
| * it is identical and will use same memory by the handle. |
| * |
| * C2GraphicAllocation does not have the original AHardwareBuffer. But |
| * C2GraphicBlock and C2ConstGraphicBlock has the original AHardwareBuffer, |
| * which can be sent to the other processes. |
| * |
| * TODO: Bundle AHardwareBuffer for C2GraphicAllocation. |
| * TODO: Add support for C2AllocatorBlob. |
| */ |
| class C2AllocatorAhwb : public C2Allocator { |
| public: |
| virtual id_t getId() const override; |
| |
| virtual C2String getName() const override; |
| |
| virtual std::shared_ptr<const Traits> getTraits() const override; |
| |
| virtual c2_status_t newGraphicAllocation( |
| uint32_t width, uint32_t height, uint32_t format, C2MemoryUsage usage, |
| std::shared_ptr<C2GraphicAllocation> *allocation) override; |
| |
| virtual c2_status_t priorGraphicAllocation( |
| const C2Handle *handle, |
| std::shared_ptr<C2GraphicAllocation> *allocation) override; |
| |
| C2AllocatorAhwb(id_t id); |
| |
| c2_status_t status() const; |
| |
| virtual ~C2AllocatorAhwb() override; |
| |
| virtual bool checkHandle(const C2Handle* const o) const override { return CheckHandle(o); } |
| |
| static bool CheckHandle(const C2Handle* const o); |
| |
| private: |
| class Impl; |
| Impl *mImpl; |
| }; |
| |
| } // namespace android |
| |
| #endif // STAGEFRIGHT_CODEC2_ALLOCATOR_GRALLOC_H_ |