rkaiq 5.0.6

Rockchip RKAIQ bindings for Rust
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95

use super::ffi::{self, XCamReturn};
use super::sysctl;
use super::types::WorkingMode;

use std::borrow::Cow;
use std::ffi::CString;
use std::io;
use std::ptr::NonNull;

#[derive(Debug)]
pub struct Context {
    pub(crate) internal: NonNull<ffi::rk_aiq_sys_ctx_t>,
}

unsafe impl Send for Context {}
unsafe impl Sync for Context {}

impl Context {
    pub fn new(sns_ent_name: &str, iq_file_dir: &str) -> Result<Self, io::Error> {
        let sns_ent_name = CString::new(sns_ent_name).unwrap();
        let iq_file_dir = CString::new(iq_file_dir).unwrap();
        let ptr = unsafe {
            ffi::rk_aiq_uapi2_sysctl_init(
                sns_ent_name.as_ptr(),
                iq_file_dir.as_ptr(),
                Some(default_error_callback),
                Some(default_metas_callback),
            )
        };
        assert!(!ptr.is_null());
        NonNull::new(ptr).map_or_else(
            || Err(io::Error::last_os_error()),
            |v| Ok(Self { internal: v }),
        )
    }

    pub fn with_force_iq_file(
        sns_ent_name: &str,
        iq_file_dir: &str,
        iq_file: &str,
        mode: WorkingMode,
    ) -> Result<Self, io::Error> {
        sysctl::pre_init(sns_ent_name, mode, iq_file)
            .map_err(|x| io::Error::new(io::ErrorKind::Other, format!("{}", x)))?;
        Self::new(sns_ent_name, iq_file_dir)
    }
}

impl Drop for Context {
    fn drop(&mut self) {
        unsafe {
            ffi::rk_aiq_uapi2_sysctl_deinit(self.internal.as_ptr());
        }
    }
}

pub struct ContextBuilder<'a> {
    sns_ent_name: Option<Cow<'a, str>>,
    iq_file_dir: Option<Cow<'a, str>>,
}

impl<'a> ContextBuilder<'a> {
    pub fn new() -> Self {
        Self {
            sns_ent_name: None,
            iq_file_dir: None,
        }
    }

    pub fn sns_ent_name<T: Into<Cow<'a, str>>>(mut self, val: T) -> Self {
        self.sns_ent_name = Some(val.into());
        self
    }

    pub fn iq_file_dir<T: Into<Cow<'a, str>>>(mut self, val: T) -> Self {
        self.iq_file_dir = Some(val.into());
        self
    }
}

impl<'a> Default for ContextBuilder<'a> {
    fn default() -> Self {
        Self::new()
    }
}

unsafe extern "C" fn default_error_callback(_err_msg: *mut ffi::rk_aiq_err_msg_t) -> XCamReturn {
    // println!("err_msg={:p}", err_msg);
    XCamReturn::XCAM_RETURN_NO_ERROR
}

unsafe extern "C" fn default_metas_callback(_metas: *mut ffi::rk_aiq_metas_t) -> XCamReturn {
    // println!("metas={:p}", metas);
    XCamReturn::XCAM_RETURN_NO_ERROR
}