FFmpeg 5.1.4
hwcontext_cuda.h
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1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19
20#ifndef AVUTIL_HWCONTEXT_CUDA_H
21#define AVUTIL_HWCONTEXT_CUDA_H
22
23#ifndef CUDA_VERSION
24#include <cuda.h>
25#endif
26
27#include "pixfmt.h"
28
29/**
30 * @file
31 * An API-specific header for AV_HWDEVICE_TYPE_CUDA.
32 *
33 * This API supports dynamic frame pools. AVHWFramesContext.pool must return
34 * AVBufferRefs whose data pointer is a CUdeviceptr.
35 */
36
38
39/**
40 * This struct is allocated as AVHWDeviceContext.hwctx
41 */
42typedef struct AVCUDADeviceContext {
43 CUcontext cuda_ctx;
44 CUstream stream;
47
48/**
49 * AVHWFramesContext.hwctx is currently not used
50 */
51
52/**
53 * @defgroup hwcontext_cuda Device context creation flags
54 *
55 * Flags for av_hwdevice_ctx_create.
56 *
57 * @{
58 */
59
60/**
61 * Use primary device context instead of creating a new one.
62 */
63#define AV_CUDA_USE_PRIMARY_CONTEXT (1 << 0)
64
65/**
66 * @}
67 */
68
69#endif /* AVUTIL_HWCONTEXT_CUDA_H */
struct AVCUDADeviceContextInternal AVCUDADeviceContextInternal
pixel format definitions
This struct is allocated as AVHWDeviceContext.hwctx.
AVCUDADeviceContextInternal * internal