livekit 0.7.36

Rust Client SDK for LiveKit
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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149

// Copyright 2025 LiveKit, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use std::{fmt::Debug, sync::Arc};

use libwebrtc::{prelude::*, stats::RtcStats};
use livekit_protocol as proto;

use super::TrackInner;
use crate::{prelude::*, rtc_engine::lk_runtime::LkRuntime};

#[derive(Clone)]
pub struct LocalVideoTrack {
    inner: Arc<TrackInner>,
    source: RtcVideoSource,
}

impl Debug for LocalVideoTrack {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("LocalVideoTrack")
            .field("sid", &self.sid())
            .field("name", &self.name())
            .field("source", &self.source())
            .finish()
    }
}

impl LocalVideoTrack {
    pub fn new(name: String, rtc_track: RtcVideoTrack, source: RtcVideoSource) -> Self {
        Self {
            inner: Arc::new(super::new_inner(
                "TR_unknown".to_owned().try_into().unwrap(),
                name,
                TrackKind::Video,
                MediaStreamTrack::Video(rtc_track),
            )),
            source,
        }
    }

    pub fn create_video_track(name: &str, source: RtcVideoSource) -> LocalVideoTrack {
        let rtc_track = match source.clone() {
            #[cfg(not(target_arch = "wasm32"))]
            RtcVideoSource::Native(native_source) => {
                use libwebrtc::peer_connection_factory::native::PeerConnectionFactoryExt;
                LkRuntime::instance()
                    .pc_factory()
                    .create_video_track(&libwebrtc::native::create_random_uuid(), native_source)
            }
            _ => panic!("unsupported video source"),
        };

        Self::new(name.to_string(), rtc_track, source)
    }

    pub fn sid(&self) -> TrackSid {
        self.inner.info.read().sid.clone()
    }

    pub fn name(&self) -> String {
        self.inner.info.read().name.clone()
    }

    pub fn kind(&self) -> TrackKind {
        self.inner.info.read().kind
    }

    pub fn source(&self) -> TrackSource {
        self.inner.info.read().source
    }

    pub fn stream_state(&self) -> StreamState {
        self.inner.info.read().stream_state
    }

    pub fn is_enabled(&self) -> bool {
        self.inner.rtc_track.enabled()
    }

    pub fn enable(&self) {
        self.inner.rtc_track.set_enabled(true);
    }

    pub fn disable(&self) {
        self.inner.rtc_track.set_enabled(false);
    }

    pub fn is_muted(&self) -> bool {
        self.inner.info.read().muted
    }

    pub fn mute(&self) {
        super::set_muted(&self.inner, &Track::LocalVideo(self.clone()), true);
    }

    pub fn unmute(&self) {
        super::set_muted(&self.inner, &Track::LocalVideo(self.clone()), false);
    }

    pub fn rtc_track(&self) -> RtcVideoTrack {
        if let MediaStreamTrack::Video(video) = self.inner.rtc_track.clone() {
            return video;
        }
        unreachable!();
    }

    pub fn is_remote(&self) -> bool {
        false
    }

    pub fn rtc_source(&self) -> RtcVideoSource {
        self.source.clone()
    }

    pub async fn get_stats(&self) -> RoomResult<Vec<RtcStats>> {
        super::local_track::get_stats(&self.inner).await
    }

    pub(crate) fn on_muted(&self, f: impl Fn(Track) + Send + 'static) {
        self.inner.events.lock().muted.replace(Box::new(f));
    }

    pub(crate) fn on_unmuted(&self, f: impl Fn(Track) + Send + 'static) {
        self.inner.events.lock().unmuted.replace(Box::new(f));
    }

    pub(crate) fn transceiver(&self) -> Option<RtpTransceiver> {
        self.inner.info.read().transceiver.clone()
    }

    pub(crate) fn set_transceiver(&self, transceiver: Option<RtpTransceiver>) {
        self.inner.info.write().transceiver = transceiver;
    }

    pub(crate) fn update_info(&self, info: proto::TrackInfo) {
        super::update_info(&self.inner, &Track::LocalVideo(self.clone()), info);
    }
}