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d17e8707c9
Add new property to support application allocated GstCudaMemory. CUDA memory alloc/free is a global device synchronization point as if launching CUDA kernel on default CUDA stream. To avoid the global synchronization, we added stream-ordered allocation support which allocates CUDA memory asynchronously. However, NVENC does not allow registering the stream-ordered allocated memory. Thus encoder was allocating normal CUDA memory in case that input CUDA memory is stream-ordered type. In this commit, newly introduced property will allow application to provide encoder with GstCudaBufferPool. Application can preallocate sufficient amount of CUDA memory in advance to avoid global device synchronization while pipeline is running. For now, this pool is used only if input CUDA memory is allocated via stream-ordered-allocation Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8516> |
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