[FFmpeg-devel] [PATCH NV HEADERS] Add cuCtxGetDevice

[Steve Lhomme]

This is for this repo: 
https://git.videolan.org/?p=ffmpeg/nv-codec-headers.git

On 2019-09-12 15:19, Steve Lhomme wrote:
> It can be useful to determine if the decoder context is the same as the display
> context.
> 
> It's used in some samples at https://github.com/NVIDIA/video-sdk-samples
> ---
>   include/ffnvcodec/dynlink_cuda.h   | 1 +
>   include/ffnvcodec/dynlink_loader.h | 2 ++
>   2 files changed, 3 insertions(+)
> 
> diff --git a/include/ffnvcodec/dynlink_cuda.h b/include/ffnvcodec/dynlink_cuda.h
> index ad5da7c..cc1cc00 100644
> --- a/include/ffnvcodec/dynlink_cuda.h
> +++ b/include/ffnvcodec/dynlink_cuda.h
> @@ -329,6 +329,7 @@ typedef CUresult CUDAAPI tcuMemcpy2D_v2(const CUDA_MEMCPY2D *pcopy);
>   typedef CUresult CUDAAPI tcuMemcpy2DAsync_v2(const CUDA_MEMCPY2D *pcopy, CUstream hStream);
>   typedef CUresult CUDAAPI tcuGetErrorName(CUresult error, const char** pstr);
>   typedef CUresult CUDAAPI tcuGetErrorString(CUresult error, const char** pstr);
> +typedef CUresult CUDAAPI tcuCtxGetDevice(CUdevice *device);
>   
>   typedef CUresult CUDAAPI tcuStreamCreate(CUstream *phStream, unsigned int flags);
>   typedef CUresult CUDAAPI tcuStreamQuery(CUstream hStream);
> diff --git a/include/ffnvcodec/dynlink_loader.h b/include/ffnvcodec/dynlink_loader.h
> index 358acd5..a1fa323 100644
> --- a/include/ffnvcodec/dynlink_loader.h
> +++ b/include/ffnvcodec/dynlink_loader.h
> @@ -156,6 +156,7 @@ typedef struct CudaFunctions {
>       tcuMemcpy2DAsync_v2 *cuMemcpy2DAsync;
>       tcuGetErrorName *cuGetErrorName;
>       tcuGetErrorString *cuGetErrorString;
> +    tcuCtxGetDevice *cuCtxGetDevice;
>   
>       tcuStreamCreate *cuStreamCreate;
>       tcuStreamQuery *cuStreamQuery;
> @@ -280,6 +281,7 @@ static inline int cuda_load_functions(CudaFunctions **functions, void *logctx)
>       LOAD_SYMBOL(cuMemcpy2DAsync, tcuMemcpy2DAsync_v2, "cuMemcpy2DAsync_v2");
>       LOAD_SYMBOL(cuGetErrorName, tcuGetErrorName, "cuGetErrorName");
>       LOAD_SYMBOL(cuGetErrorString, tcuGetErrorString, "cuGetErrorString");
> +    LOAD_SYMBOL(cuCtxGetDevice, tcuCtxGetDevice, "cuCtxGetDevice");
>   
>       LOAD_SYMBOL(cuStreamCreate, tcuStreamCreate, "cuStreamCreate");
>       LOAD_SYMBOL(cuStreamQuery, tcuStreamQuery, "cuStreamQuery");
> -- 
> 2.17.1
> 
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