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compat/cuda: make cuvidGetDecoderCaps optional

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This commit is contained in:
Timo Rothenpieler 2017-06-01 12:33:54 +02:00
parent cb3358b68f
commit f890a6d712
1 changed files with 10 additions and 1 deletions
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11
compat/cuda/dynlink_loader.h
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@ -76,6 +76,15 @@
av_log(NULL, AV_LOG_TRACE, "Loaded sym: %s\n", symbol); \
} while (0)
#define LOAD_SYMBOL_OPT(fun, tp, symbol) \
do { \
if (!((f->fun) = (tp*)dlsym(f->lib, symbol))) { \
av_log(NULL, AV_LOG_DEBUG, "Cannot load optional %s\n", symbol); \
} else { \
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; \
@ -205,7 +214,7 @@ static inline int cuvid_load_functions(CuvidFunctions **functions)
{
GENERIC_LOAD_FUNC_PREAMBLE(CuvidFunctions, cuvid, NVCUVID_LIBNAME);
LOAD_SYMBOL(cuvidGetDecoderCaps, tcuvidGetDecoderCaps, "cuvidGetDecoderCaps");
LOAD_SYMBOL_OPT(cuvidGetDecoderCaps, tcuvidGetDecoderCaps, "cuvidGetDecoderCaps");
LOAD_SYMBOL(cuvidCreateDecoder, tcuvidCreateDecoder, "cuvidCreateDecoder");
LOAD_SYMBOL(cuvidDestroyDecoder, tcuvidDestroyDecoder, "cuvidDestroyDecoder");
LOAD_SYMBOL(cuvidDecodePicture, tcuvidDecodePicture, "cuvidDecodePicture");