diff options
Diffstat (limited to 'components/include/v4l2_codec2/components/VideoFramePool.h')
| -rw-r--r-- | components/include/v4l2_codec2/components/VideoFramePool.h | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/components/include/v4l2_codec2/components/VideoFramePool.h b/components/include/v4l2_codec2/components/VideoFramePool.h index 2978eed..6bebc37 100644 --- a/components/include/v4l2_codec2/components/VideoFramePool.h +++ b/components/include/v4l2_codec2/components/VideoFramePool.h @@ -44,12 +44,13 @@ public: private: // |blockPool| is the C2BlockPool that we fetch graphic blocks from. + // |maxBufferCount| maximum number of buffer that should should provide to client // |size| is the resolution size of the required graphic blocks. // |pixelFormat| is the pixel format of the required graphic blocks. // |isSecure| indicates the video stream is encrypted or not. // All public methods and the callbacks should be run on |taskRunner|. - VideoFramePool(std::shared_ptr<C2BlockPool> blockPool, const ui::Size& size, - HalPixelFormat pixelFormat, C2MemoryUsage memoryUsage, + VideoFramePool(std::shared_ptr<C2BlockPool> blockPool, const size_t maxBufferCount, + const ui::Size& size, HalPixelFormat pixelFormat, C2MemoryUsage memoryUsage, scoped_refptr<::base::SequencedTaskRunner> taskRunner); bool initialize(); void destroyTask(); @@ -59,20 +60,20 @@ private: void getVideoFrameTask(); void onVideoFrameReady(std::optional<FrameWithBlockId> frameWithBlockId); - // Ask |blockPool| to allocate the specified number of buffers. - // |bufferCount| is the number of requested buffers. - static c2_status_t requestNewBufferSet(C2BlockPool& blockPool, int32_t bufferCount, - const ui::Size& size, uint32_t format, - C2MemoryUsage usage); + // Returns true if a buffer shall not be handed to client. + bool shouldDropBuffer(uint32_t bufferId); static std::optional<uint32_t> getBufferIdFromGraphicBlock(C2BlockPool& blockPool, const C2Block2D& block); - // Ask |blockPool| to notify when a block is available via |cb|. - // Return true if |blockPool| supports notifying buffer available. - static bool setNotifyBlockAvailableCb(C2BlockPool& blockPool, ::base::OnceClosure cb); - std::shared_ptr<C2BlockPool> mBlockPool; + + // Holds the number of maximum amount of buffers that VideoFramePool + // should provide to client. + size_t mMaxBufferCount; + // Contains known buffer ids that are valid for the pool. + std::set<uint32_t> mBuffers; + const ui::Size mSize; const HalPixelFormat mPixelFormat; const C2MemoryUsage mMemoryUsage; |