bug fixed gb28181 capture picture

zhangmeng

2021-05-25 48c8a8ce082ebdb992cb52cdd766298e8ca19011

 csrc/thirdparty/ffmpeg/include/libavutil/hwcontext_cuda.h

@@ -41,6 +41,7 @@
 */
typedef struct AVCUDADeviceContext {
    CUcontext cuda_ctx;
    CUstream stream;
    AVCUDADeviceContextInternal *internal;
} AVCUDADeviceContext;