mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-12 10:15:22 +00:00
255 lines
9.1 KiB
C
255 lines
9.1 KiB
C
/*
|
|
* This copyright notice applies to this header file only:
|
|
*
|
|
* Copyright (c) 2016
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use,
|
|
* copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the software, and to permit persons to whom the
|
|
* software is furnished to do so, subject to the following
|
|
* conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
|
|
#ifndef AV_COMPAT_CUDA_DYNLINK_LOADER_H
|
|
#define AV_COMPAT_CUDA_DYNLINK_LOADER_H
|
|
|
|
#include "compat/cuda/dynlink_cuda.h"
|
|
#include "compat/cuda/dynlink_nvcuvid.h"
|
|
#include "compat/nvenc/nvEncodeAPI.h"
|
|
#include "compat/w32dlfcn.h"
|
|
|
|
#include "libavutil/log.h"
|
|
#include "libavutil/error.h"
|
|
|
|
#if defined(_WIN32)
|
|
# define LIB_HANDLE HMODULE
|
|
#else
|
|
# define LIB_HANDLE void*
|
|
#endif
|
|
|
|
#if defined(_WIN32) || defined(__CYGWIN__)
|
|
# define CUDA_LIBNAME "nvcuda.dll"
|
|
# define NVCUVID_LIBNAME "nvcuvid.dll"
|
|
# if ARCH_X86_64
|
|
# define NVENC_LIBNAME "nvEncodeAPI64.dll"
|
|
# else
|
|
# define NVENC_LIBNAME "nvEncodeAPI.dll"
|
|
# endif
|
|
#else
|
|
# define CUDA_LIBNAME "libcuda.so.1"
|
|
# define NVCUVID_LIBNAME "libnvcuvid.so.1"
|
|
# define NVENC_LIBNAME "libnvidia-encode.so.1"
|
|
#endif
|
|
|
|
#define LOAD_LIBRARY(l, path) \
|
|
do { \
|
|
if (!((l) = dlopen(path, RTLD_LAZY))) { \
|
|
av_log(NULL, AV_LOG_ERROR, "Cannot load %s\n", path); \
|
|
ret = AVERROR_UNKNOWN; \
|
|
goto error; \
|
|
} \
|
|
av_log(NULL, AV_LOG_TRACE, "Loaded lib: %s\n", path); \
|
|
} while (0)
|
|
|
|
#define LOAD_SYMBOL(fun, symbol) \
|
|
do { \
|
|
if (!((f->fun) = dlsym(f->lib, symbol))) { \
|
|
av_log(NULL, AV_LOG_ERROR, "Cannot load %s\n", symbol); \
|
|
ret = AVERROR_UNKNOWN; \
|
|
goto error; \
|
|
} \
|
|
av_log(NULL, AV_LOG_TRACE, "Loaded sym: %s\n", symbol); \
|
|
} while (0)
|
|
|
|
#define GENERIC_LOAD_FUNC_PREAMBLE(T, n, N) \
|
|
T *f; \
|
|
int ret; \
|
|
\
|
|
n##_free_functions(functions); \
|
|
\
|
|
f = *functions = av_mallocz(sizeof(*f)); \
|
|
if (!f) \
|
|
return AVERROR(ENOMEM); \
|
|
\
|
|
LOAD_LIBRARY(f->lib, N);
|
|
|
|
#define GENERIC_LOAD_FUNC_FINALE(n) \
|
|
return 0; \
|
|
error: \
|
|
n##_free_functions(functions); \
|
|
return ret;
|
|
|
|
#define GENERIC_FREE_FUNC() \
|
|
if (!functions) \
|
|
return; \
|
|
if (*functions && (*functions)->lib) \
|
|
dlclose((*functions)->lib); \
|
|
av_freep(functions);
|
|
|
|
#ifdef AV_COMPAT_DYNLINK_CUDA_H
|
|
typedef struct CudaFunctions {
|
|
tcuInit *cuInit;
|
|
tcuDeviceGetCount *cuDeviceGetCount;
|
|
tcuDeviceGet *cuDeviceGet;
|
|
tcuDeviceGetName *cuDeviceGetName;
|
|
tcuDeviceComputeCapability *cuDeviceComputeCapability;
|
|
tcuCtxCreate_v2 *cuCtxCreate;
|
|
tcuCtxPushCurrent_v2 *cuCtxPushCurrent;
|
|
tcuCtxPopCurrent_v2 *cuCtxPopCurrent;
|
|
tcuCtxDestroy_v2 *cuCtxDestroy;
|
|
tcuMemAlloc_v2 *cuMemAlloc;
|
|
tcuMemFree_v2 *cuMemFree;
|
|
tcuMemcpy2D_v2 *cuMemcpy2D;
|
|
tcuGetErrorName *cuGetErrorName;
|
|
tcuGetErrorString *cuGetErrorString;
|
|
|
|
LIB_HANDLE lib;
|
|
} CudaFunctions;
|
|
#else
|
|
typedef struct CudaFunctions CudaFunctions;
|
|
#endif
|
|
|
|
typedef struct CuvidFunctions {
|
|
tcuvidCreateDecoder *cuvidCreateDecoder;
|
|
tcuvidDestroyDecoder *cuvidDestroyDecoder;
|
|
tcuvidDecodePicture *cuvidDecodePicture;
|
|
tcuvidMapVideoFrame *cuvidMapVideoFrame;
|
|
tcuvidUnmapVideoFrame *cuvidUnmapVideoFrame;
|
|
tcuvidCtxLockCreate *cuvidCtxLockCreate;
|
|
tcuvidCtxLockDestroy *cuvidCtxLockDestroy;
|
|
tcuvidCtxLock *cuvidCtxLock;
|
|
tcuvidCtxUnlock *cuvidCtxUnlock;
|
|
|
|
tcuvidCreateVideoSource *cuvidCreateVideoSource;
|
|
tcuvidCreateVideoSourceW *cuvidCreateVideoSourceW;
|
|
tcuvidDestroyVideoSource *cuvidDestroyVideoSource;
|
|
tcuvidSetVideoSourceState *cuvidSetVideoSourceState;
|
|
tcuvidGetVideoSourceState *cuvidGetVideoSourceState;
|
|
tcuvidGetSourceVideoFormat *cuvidGetSourceVideoFormat;
|
|
tcuvidGetSourceAudioFormat *cuvidGetSourceAudioFormat;
|
|
tcuvidCreateVideoParser *cuvidCreateVideoParser;
|
|
tcuvidParseVideoData *cuvidParseVideoData;
|
|
tcuvidDestroyVideoParser *cuvidDestroyVideoParser;
|
|
|
|
LIB_HANDLE lib;
|
|
} CuvidFunctions;
|
|
|
|
typedef struct NvencFunctions {
|
|
NVENCSTATUS (NVENCAPI *NvEncodeAPICreateInstance)(NV_ENCODE_API_FUNCTION_LIST *functionList);
|
|
NVENCSTATUS (NVENCAPI *NvEncodeAPIGetMaxSupportedVersion)(uint32_t* version);
|
|
|
|
LIB_HANDLE lib;
|
|
} NvencFunctions;
|
|
|
|
#ifdef AV_COMPAT_DYNLINK_CUDA_H
|
|
static inline void cuda_free_functions(CudaFunctions **functions)
|
|
{
|
|
GENERIC_FREE_FUNC();
|
|
}
|
|
#endif
|
|
|
|
static inline void cuvid_free_functions(CuvidFunctions **functions)
|
|
{
|
|
GENERIC_FREE_FUNC();
|
|
}
|
|
|
|
static inline void nvenc_free_functions(NvencFunctions **functions)
|
|
{
|
|
GENERIC_FREE_FUNC();
|
|
}
|
|
|
|
#ifdef AV_COMPAT_DYNLINK_CUDA_H
|
|
static inline int cuda_load_functions(CudaFunctions **functions)
|
|
{
|
|
GENERIC_LOAD_FUNC_PREAMBLE(CudaFunctions, cuda, CUDA_LIBNAME);
|
|
|
|
LOAD_SYMBOL(cuInit, "cuInit");
|
|
LOAD_SYMBOL(cuDeviceGetCount, "cuDeviceGetCount");
|
|
LOAD_SYMBOL(cuDeviceGet, "cuDeviceGet");
|
|
LOAD_SYMBOL(cuDeviceGetName, "cuDeviceGetName");
|
|
LOAD_SYMBOL(cuDeviceComputeCapability, "cuDeviceComputeCapability");
|
|
LOAD_SYMBOL(cuCtxCreate, "cuCtxCreate_v2");
|
|
LOAD_SYMBOL(cuCtxPushCurrent, "cuCtxPushCurrent_v2");
|
|
LOAD_SYMBOL(cuCtxPopCurrent, "cuCtxPopCurrent_v2");
|
|
LOAD_SYMBOL(cuCtxDestroy, "cuCtxDestroy_v2");
|
|
LOAD_SYMBOL(cuMemAlloc, "cuMemAlloc_v2");
|
|
LOAD_SYMBOL(cuMemFree, "cuMemFree_v2");
|
|
LOAD_SYMBOL(cuMemcpy2D, "cuMemcpy2D_v2");
|
|
LOAD_SYMBOL(cuGetErrorName, "cuGetErrorName");
|
|
LOAD_SYMBOL(cuGetErrorString, "cuGetErrorString");
|
|
|
|
GENERIC_LOAD_FUNC_FINALE(cuda);
|
|
}
|
|
#endif
|
|
|
|
static inline int cuvid_load_functions(CuvidFunctions **functions)
|
|
{
|
|
GENERIC_LOAD_FUNC_PREAMBLE(CuvidFunctions, cuvid, NVCUVID_LIBNAME);
|
|
|
|
LOAD_SYMBOL(cuvidCreateDecoder, "cuvidCreateDecoder");
|
|
LOAD_SYMBOL(cuvidDestroyDecoder, "cuvidDestroyDecoder");
|
|
LOAD_SYMBOL(cuvidDecodePicture, "cuvidDecodePicture");
|
|
#ifdef __CUVID_DEVPTR64
|
|
LOAD_SYMBOL(cuvidMapVideoFrame, "cuvidMapVideoFrame64");
|
|
LOAD_SYMBOL(cuvidUnmapVideoFrame, "cuvidUnmapVideoFrame64");
|
|
#else
|
|
LOAD_SYMBOL(cuvidMapVideoFrame, "cuvidMapVideoFrame");
|
|
LOAD_SYMBOL(cuvidUnmapVideoFrame, "cuvidUnmapVideoFrame");
|
|
#endif
|
|
LOAD_SYMBOL(cuvidCtxLockCreate, "cuvidCtxLockCreate");
|
|
LOAD_SYMBOL(cuvidCtxLockDestroy, "cuvidCtxLockDestroy");
|
|
LOAD_SYMBOL(cuvidCtxLock, "cuvidCtxLock");
|
|
LOAD_SYMBOL(cuvidCtxUnlock, "cuvidCtxUnlock");
|
|
|
|
LOAD_SYMBOL(cuvidCreateVideoSource, "cuvidCreateVideoSource");
|
|
LOAD_SYMBOL(cuvidCreateVideoSourceW, "cuvidCreateVideoSourceW");
|
|
LOAD_SYMBOL(cuvidDestroyVideoSource, "cuvidDestroyVideoSource");
|
|
LOAD_SYMBOL(cuvidSetVideoSourceState, "cuvidSetVideoSourceState");
|
|
LOAD_SYMBOL(cuvidGetVideoSourceState, "cuvidGetVideoSourceState");
|
|
LOAD_SYMBOL(cuvidGetSourceVideoFormat, "cuvidGetSourceVideoFormat");
|
|
LOAD_SYMBOL(cuvidGetSourceAudioFormat, "cuvidGetSourceAudioFormat");
|
|
LOAD_SYMBOL(cuvidCreateVideoParser, "cuvidCreateVideoParser");
|
|
LOAD_SYMBOL(cuvidParseVideoData, "cuvidParseVideoData");
|
|
LOAD_SYMBOL(cuvidDestroyVideoParser, "cuvidDestroyVideoParser");
|
|
|
|
GENERIC_LOAD_FUNC_FINALE(cuvid);
|
|
}
|
|
|
|
static inline int nvenc_load_functions(NvencFunctions **functions)
|
|
{
|
|
GENERIC_LOAD_FUNC_PREAMBLE(NvencFunctions, nvenc, NVENC_LIBNAME);
|
|
|
|
LOAD_SYMBOL(NvEncodeAPICreateInstance, "NvEncodeAPICreateInstance");
|
|
LOAD_SYMBOL(NvEncodeAPIGetMaxSupportedVersion, "NvEncodeAPIGetMaxSupportedVersion");
|
|
|
|
GENERIC_LOAD_FUNC_FINALE(nvenc);
|
|
}
|
|
|
|
#undef GENERIC_LOAD_FUNC_PREAMBLE
|
|
#undef LOAD_LIBRARY
|
|
#undef LOAD_SYMBOL
|
|
#undef GENERIC_LOAD_FUNC_FINALE
|
|
#undef GENERIC_FREE_FUNC
|
|
#undef CUDA_LIBNAME
|
|
#undef NVCUVID_LIBNAME
|
|
#undef NVENC_LIBNAME
|
|
#undef LIB_HANDLE
|
|
|
|
#endif
|
|
|