821 int y4m_input_fetch_frame(y4m_input *_y4m,FILE *_fin,vpx_image_t *_img){  in y4m_input_fetch_frame()  argument
861   memset(_img,0,sizeof(*_img));  in y4m_input_fetch_frame()
863   _img->fmt=IMG_FMT_I420;  in y4m_input_fetch_frame()
864   _img->w=_img->d_w=_y4m->pic_w;  in y4m_input_fetch_frame()
865   _img->h=_img->d_h=_y4m->pic_h;  in y4m_input_fetch_frame()
867   _img->x_chroma_shift=1;  in y4m_input_fetch_frame()
868   _img->y_chroma_shift=1;  in y4m_input_fetch_frame()
869   _img->bps=12;  in y4m_input_fetch_frame()
875   _img->stride[PLANE_Y]=_y4m->pic_w;  in y4m_input_fetch_frame()
876   _img->stride[PLANE_U]=_img->stride[PLANE_V]=c_w;  in y4m_input_fetch_frame()
877   _img->planes[PLANE_Y]=_y4m->dst_buf;  in y4m_input_fetch_frame()
878   _img->planes[PLANE_U]=_y4m->dst_buf+pic_sz;  in y4m_input_fetch_frame()
879   _img->planes[PLANE_V]=_y4m->dst_buf+pic_sz+c_sz;  in y4m_input_fetch_frame()