int process_buffer(VFrame *frame, int64_t start_position, double frame_rate);
AffineEngine *affine;
void to_mat(Mat &mat, int mcols, int mrows,
- VFrame *inp, int ix,int iy, BC_CModel mcolor_model);
+ VFrame *inp, int ix,int iy, int mcolor_model);
long prev_position, next_position;