hang 0.15.2

Media over QUIC
Documentation 
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

use super::*;

use std::str::FromStr;

use derive_more::{Display, From};

use crate::Error;

/// Supported video codec mimetypes.
// TODO implement serde for convience
#[derive(Debug, Clone, PartialEq, Eq, Display, From)]
#[non_exhaustive]
pub enum VideoCodec {
	/// H.264/AVC codec with profile and level information
	H264(H264),
	/// H.265/HEVC codec with profile and level information
	H265(H265),
	/// VP9 codec with profile and color information
	VP9(VP9),
	/// AV1 codec with profile and level information
	AV1(AV1),

	/// VP8 codec (no additional parameters)
	#[display("vp8")]
	VP8,

	/// Unknown or unsupported codec with original string
	#[display("{_0}")]
	Unknown(String),
}

impl FromStr for VideoCodec {
	type Err = Error;

	fn from_str(s: &str) -> Result<Self, Self::Err> {
		if s.starts_with("avc1.") || s.starts_with("avc3.") {
			return H264::from_str(s).map(Into::into);
		} else if s.starts_with("hvc1.") || s.starts_with("hev1.") {
			return H265::from_str(s).map(Into::into);
		} else if s == "vp8" {
			return Ok(Self::VP8);
		} else if s.starts_with("vp09.") {
			return VP9::from_str(s).map(Into::into);
		} else if s.starts_with("av01.") {
			return AV1::from_str(s).map(Into::into);
		}

		Ok(Self::Unknown(s.to_string()))
	}
}

#[cfg(test)]
mod test {
	use super::*;

	#[test]
	fn test_vp8() {
		let encoded = "vp8";
		let decoded = VideoCodec::from_str(encoded).expect("failed to parse");
		assert_eq!(decoded, VideoCodec::VP8);

		let output = decoded.to_string();
		assert_eq!(output, encoded);
	}
}