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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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1aa9e74aaf
Decoder bounded CUDA memory is allocated by driver and the pool size is fixed. Since we don't know how many buffers would be held by downstream non-CUDA element, we should download such CUDA memory and release it back to decoder. Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4810>
72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
/* GStreamer
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* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#pragma once
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#include <gst/cuda/cuda-prelude.h>
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#include <gst/cuda/cuda-gst.h>
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#include <gst/cuda/gstcudacontext.h>
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#include <gst/cuda/gstcudastream.h>
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#include <gst/video/video.h>
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G_BEGIN_DECLS
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typedef enum
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{
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GST_CUDA_BUFFER_COPY_SYSTEM,
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GST_CUDA_BUFFER_COPY_CUDA,
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GST_CUDA_BUFFER_COPY_GL,
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GST_CUDA_BUFFER_COPY_D3D11,
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GST_CUDA_BUFFER_COPY_NVMM,
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} GstCudaBufferCopyType;
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GST_CUDA_API
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const gchar * gst_cuda_buffer_copy_type_to_string (GstCudaBufferCopyType type);
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GST_CUDA_API
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gboolean gst_cuda_buffer_copy (GstBuffer * dst,
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GstCudaBufferCopyType dst_type,
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const GstVideoInfo * dst_info,
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GstBuffer * src,
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GstCudaBufferCopyType src_type,
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const GstVideoInfo * src_info,
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GstCudaContext * context,
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GstCudaStream * stream);
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GST_CUDA_API
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void gst_cuda_memory_set_from_fixed_pool (GstMemory * mem);
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GST_CUDA_API
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gboolean gst_cuda_memory_is_from_fixed_pool (GstMemory * mem);
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G_END_DECLS
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#ifdef __cplusplus
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#include <mutex>
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#define GST_CUDA_CALL_ONCE_BEGIN \
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static std::once_flag __once_flag; \
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std::call_once (__once_flag, [&]()
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#define GST_CUDA_CALL_ONCE_END )
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#endif /* __cplusplus */
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