ffmpeg_next/util/color/
range.rs

1use std::ffi::CStr;
2use std::str::from_utf8_unchecked;
3
4use crate::ffi::AVColorRange::*;
5use crate::ffi::*;
6
7#[derive(Eq, PartialEq, Clone, Copy, Debug)]
8pub enum Range {
9    Unspecified,
10    MPEG,
11    JPEG,
12}
13
14impl Range {
15    pub fn name(&self) -> Option<&'static str> {
16        if *self == Range::Unspecified {
17            return None;
18        }
19        unsafe {
20            let ptr = av_color_range_name((*self).into());
21            ptr.as_ref()
22                .map(|ptr| from_utf8_unchecked(CStr::from_ptr(ptr).to_bytes()))
23        }
24    }
25}
26
27impl From<AVColorRange> for Range {
28    fn from(value: AVColorRange) -> Self {
29        match value {
30            AVCOL_RANGE_UNSPECIFIED => Range::Unspecified,
31            AVCOL_RANGE_MPEG => Range::MPEG,
32            AVCOL_RANGE_JPEG => Range::JPEG,
33            AVCOL_RANGE_NB => Range::Unspecified,
34
35            #[cfg(feature = "non-exhaustive-enums")]
36            _ => unimplemented!(),
37        }
38    }
39}
40
41impl From<Range> for AVColorRange {
42    fn from(value: Range) -> AVColorRange {
43        match value {
44            Range::Unspecified => AVCOL_RANGE_UNSPECIFIED,
45            Range::MPEG => AVCOL_RANGE_MPEG,
46            Range::JPEG => AVCOL_RANGE_JPEG,
47        }
48    }
49}
ffmpeg_next/util/color/range.rs

ffmpeg_next/util/color/
range.rs
