1
use std::collections::VecDeque;
2
use std::time::Duration;
3
 
4
use str0m::format::Codec;
5
use str0m::media::MediaKind;
6
use str0m::rtp::{ExtensionValues, RtpWrite, Ssrc};
7
use str0m::{Event, RtcError};
8
 
9
mod common;
10
use common::{connect_l_r, init_crypto_default, init_log, progress};
11
 
12
#[test]
13
pub fn rtp_direct_mid() -> Result<(), RtcError> {
14
    init_log();
15
    init_crypto_default();
16
 
17
    let (mut l, mut r) = connect_l_r();
18
 
19
    let mid = "aud".into();
20
 
21
    // In this example we are using MID only (no RID) to identify the incoming media.
22
    let ssrc_tx: Ssrc = 42.into();
23
 
24
    l.direct_api().declare_media(mid, MediaKind::Audio);
25
 
26
    l.direct_api().declare_stream_tx(ssrc_tx, None, mid, None);
27
 
28
    r.direct_api().declare_media(mid, MediaKind::Audio);
29
 
30
    let max = l.last.max(r.last);
31
    l.last = max;
32
    r.last = max;
33
 
34
    let params = l.params_opus();
35
    let ssrc = l.direct_api().stream_tx_by_mid(mid, None).unwrap().ssrc();
36
    assert_eq!(params.spec().codec, Codec::Opus);
37
    let pt = params.pt();
38
 
39
    let to_write: Vec<&[u8]> = vec![
40
        // 1
41
        &[0x1, 0x2, 0x3, 0x4],
42
        // 3
43
        &[0x9, 0xa, 0xb, 0xc],
44
        // 2
45
        &[0x5, 0x6, 0x7, 0x8],
46
    ];
47
 
48
    let mut to_write: VecDeque<_> = to_write.into();
49
 
50
    let mut write_at = l.last + Duration::from_millis(300);
51
 
52
    let mut counts: Vec<u64> = vec![0, 3, 1];
53
 
54
    loop {
55
        if l.start + l.duration() > write_at {
56
            write_at = l.last + Duration::from_millis(300);
57
            if let Some(packet) = to_write.pop_front() {
58
                let wallclock = l.start + l.duration();
59
 
60
                let mut direct = l.direct_api();
61
                let stream = direct.stream_tx(&ssrc).unwrap();
62
 
63
                let count = counts.remove(0);
64
                let time = (count * 1000 + 47_000_000) as u32;
65
                let seq_no = (47_000 + count).into();
66
 
67
                let exts = ExtensionValues {
68
                    audio_level: Some(-42 - count as i8),
69
                    voice_activity: Some(false),
70
                    ..Default::default()
71
                };
72
 
73
                stream.write_rtp(RtpWrite::new(pt, seq_no, time, wallclock, packet).ext_vals(exts));
74
            }
75
        }
76
 
77
        progress(&mut l, &mut r)?;
78
 
79
        if l.duration() > Duration::from_secs(10) {
80
            break;
81
        }
82
    }
83
 
84
    let media: Vec<_> = r
85
        .events
86
        .iter()
87
        .filter_map(|(_, e)| {
88
            if let Event::RtpPacket(v) = e {
89
                Some(v)
90
            } else {
91
                None
92
            }
93
        })
94
        .collect();
95
 
96
    assert_eq!(media.len(), 3);
97
 
98
    assert!(l.media(mid).is_some());
99
    assert!(l.direct_api().stream_tx_by_mid(mid, None).is_some());
100
    l.direct_api().remove_media(mid);
101
    assert!(l.media(mid).is_none());
102
    assert!(l.direct_api().stream_tx_by_mid(mid, None).is_none());
103
 
104
    assert!(r.media(mid).is_some());
105
    assert!(r.direct_api().stream_rx_by_mid(mid, None).is_some());
106
    r.direct_api().remove_media(mid);
107
    assert!(r.media(mid).is_none());
108
    assert!(r.direct_api().stream_rx_by_mid(mid, None).is_none());
109
 
110
    Ok(())
111
}