h264 cuvid av bsf and rec

zhangmeng

2020-10-22 65eb475b323b3b9c28761b4e3009ab3d269963e1

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

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