moosicbox_opus 0.3.0

MoosicBox Opus codec decoder implementation for Symphonia
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
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
96
97
98
99
100

#![cfg_attr(feature = "fail-on-warnings", deny(warnings))]

use moosicbox_opus::OpusDecoder;
use symphonia::core::{
    audio::Channels,
    codecs::{CODEC_TYPE_OPUS, CodecParameters, Decoder, DecoderOptions},
};

#[test]
fn test_decoder_creation_mono() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(48000)
        .with_channels(Channels::FRONT_LEFT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default());
    assert!(decoder.is_ok());
}

#[test]
fn test_decoder_creation_stereo() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(48000)
        .with_channels(Channels::FRONT_LEFT | Channels::FRONT_RIGHT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default());
    assert!(decoder.is_ok());
}

#[test]
fn test_decoder_creation_8khz() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(8000)
        .with_channels(Channels::FRONT_LEFT | Channels::FRONT_RIGHT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default());
    assert!(decoder.is_ok());
}

#[test]
fn test_decoder_creation_16khz() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(16000)
        .with_channels(Channels::FRONT_LEFT | Channels::FRONT_RIGHT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default());
    assert!(decoder.is_ok());
}

#[test]
fn test_decoder_creation_24khz() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(24000)
        .with_channels(Channels::FRONT_LEFT | Channels::FRONT_RIGHT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default());
    assert!(decoder.is_ok());
}

#[test]
fn test_decoder_creation_unsupported_sample_rate() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(22050)
        .with_channels(Channels::FRONT_LEFT | Channels::FRONT_RIGHT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default());
    assert!(decoder.is_err());
}

#[test]
fn test_decoder_supported_codecs() {
    let codecs = OpusDecoder::supported_codecs();
    assert_eq!(codecs.len(), 1);
    assert_eq!(codecs[0].codec, CODEC_TYPE_OPUS);
}

#[test]
fn test_decoder_codec_params() {
    let mut params = CodecParameters::new();
    params
        .for_codec(CODEC_TYPE_OPUS)
        .with_sample_rate(48000)
        .with_channels(Channels::FRONT_LEFT | Channels::FRONT_RIGHT);

    let decoder = OpusDecoder::try_new(&params, &DecoderOptions::default()).unwrap();
    let retrieved_params = decoder.codec_params();

    assert_eq!(retrieved_params.sample_rate, Some(48000));
}