| /* |
| * Copyright 2015 Google Inc. All Rights Reserved. |
| * |
| * 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 COBALT_MEDIA_SHELL_VIDEO_DATA_ALLOCATOR_COMMON_H_ |
| #define COBALT_MEDIA_SHELL_VIDEO_DATA_ALLOCATOR_COMMON_H_ |
| |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "cobalt/render_tree/image.h" |
| #include "cobalt/render_tree/resource_provider.h" |
| #include "media/base/shell_video_data_allocator.h" |
| |
| namespace media { |
| |
| class ShellVideoDataAllocatorCommon : public ShellVideoDataAllocator { |
| public: |
| // When the requested frame size is less than |minimum_allocation_size|, the |
| // class will still allocate |minimum_allocation_size|. The same applies to |
| // |minimum_alignment|. When the requested size is larger than |
| // |maximum_allocation_size|, the allocation will fail and return NULL. |
| ShellVideoDataAllocatorCommon( |
| cobalt::render_tree::ResourceProvider* resource_provider, |
| size_t minimum_allocation_size, size_t maximum_allocation_size, |
| size_t minimum_alignment); |
| |
| scoped_refptr<FrameBuffer> AllocateFrameBuffer(size_t size, |
| size_t alignment) OVERRIDE; |
| scoped_refptr<VideoFrame> CreateYV12Frame( |
| const scoped_refptr<FrameBuffer>& frame_buffer, const YV12Param& param, |
| const base::TimeDelta& timestamp) OVERRIDE; |
| |
| scoped_refptr<VideoFrame> CreateNV12Frame( |
| const scoped_refptr<FrameBuffer>& frame_buffer, const NV12Param& param, |
| const base::TimeDelta& timestamp) OVERRIDE; |
| |
| private: |
| typedef cobalt::render_tree::RawImageMemory RawImageMemory; |
| |
| class FrameBufferCommon : public FrameBuffer { |
| public: |
| explicit FrameBufferCommon(scoped_ptr<RawImageMemory> raw_image_memory); |
| |
| uint8* data() const OVERRIDE { |
| return raw_image_memory_ ? raw_image_memory_->GetMemory() : NULL; |
| } |
| |
| size_t size() const OVERRIDE { |
| return raw_image_memory_ ? raw_image_memory_->GetSizeInBytes() : 0; |
| } |
| |
| // Disown the image_data_. |
| scoped_ptr<RawImageMemory> DetachRawImageMemory(); |
| |
| private: |
| scoped_ptr<RawImageMemory> raw_image_memory_; |
| }; |
| |
| cobalt::render_tree::ResourceProvider* resource_provider_; |
| size_t minimum_allocation_size_; |
| size_t maximum_allocation_size_; |
| size_t minimum_alignment_; |
| }; |
| |
| } // namespace media |
| |
| #endif // COBALT_MEDIA_SHELL_VIDEO_DATA_ALLOCATOR_COMMON_H_ |