gstreamer/subprojects/gst-plugins-bad/gst-libs/gst/cuda/gstcuda-private.h
Seungha Yang 1aa9e74aaf cudadownload: Always download CUDA memory if it's bound to decoder
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>
2023-06-08 22:27:06 +00:00

71 lines
2.2 KiB
C++

/* GStreamer
* Copyright (C) 2022 Seungha Yang <seungha@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <gst/cuda/cuda-prelude.h>
#include <gst/cuda/cuda-gst.h>
#include <gst/cuda/gstcudacontext.h>
#include <gst/cuda/gstcudastream.h>
#include <gst/video/video.h>
G_BEGIN_DECLS
typedef enum
{
GST_CUDA_BUFFER_COPY_SYSTEM,
GST_CUDA_BUFFER_COPY_CUDA,
GST_CUDA_BUFFER_COPY_GL,
GST_CUDA_BUFFER_COPY_D3D11,
GST_CUDA_BUFFER_COPY_NVMM,
} GstCudaBufferCopyType;
GST_CUDA_API
const gchar * gst_cuda_buffer_copy_type_to_string (GstCudaBufferCopyType type);
GST_CUDA_API
gboolean gst_cuda_buffer_copy (GstBuffer * dst,
GstCudaBufferCopyType dst_type,
const GstVideoInfo * dst_info,
GstBuffer * src,
GstCudaBufferCopyType src_type,
const GstVideoInfo * src_info,
GstCudaContext * context,
GstCudaStream * stream);
GST_CUDA_API
void gst_cuda_memory_set_from_fixed_pool (GstMemory * mem);
GST_CUDA_API
gboolean gst_cuda_memory_is_from_fixed_pool (GstMemory * mem);
G_END_DECLS
#ifdef __cplusplus
#include <mutex>
#define GST_CUDA_CALL_ONCE_BEGIN \
static std::once_flag __once_flag; \
std::call_once (__once_flag, [&]()
#define GST_CUDA_CALL_ONCE_END )
#endif /* __cplusplus */