webrtc_sys/
rtp_transceiver.rs

1// Copyright 2025 LiveKit, Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use crate::impl_thread_safety;
16
17#[cxx::bridge(namespace = "livekit")]
18pub mod ffi {
19
20    #[derive(Debug)]
21    pub struct RtpTransceiverInit {
22        pub direction: RtpTransceiverDirection,
23        pub stream_ids: Vec<String>,
24        pub send_encodings: Vec<RtpEncodingParameters>,
25    }
26
27    extern "C++" {
28        include!("livekit/webrtc.h");
29        include!("livekit/rtp_parameters.h");
30        include!("livekit/rtp_sender.h");
31        include!("livekit/rtp_receiver.h");
32
33        type MediaType = crate::webrtc::ffi::MediaType;
34        type RtpTransceiverDirection = crate::webrtc::ffi::RtpTransceiverDirection;
35        type RtpEncodingParameters = crate::rtp_parameters::ffi::RtpEncodingParameters;
36        type RtpCodecCapability = crate::rtp_parameters::ffi::RtpCodecCapability;
37        type RtpHeaderExtensionCapability =
38            crate::rtp_parameters::ffi::RtpHeaderExtensionCapability;
39        type RtpSender = crate::rtp_sender::ffi::RtpSender;
40        type RtpReceiver = crate::rtp_receiver::ffi::RtpReceiver;
41        type RtcError = crate::rtc_error::ffi::RtcError;
42    }
43
44    unsafe extern "C++" {
45        include!("livekit/rtp_transceiver.h");
46
47        type RtpTransceiver;
48
49        fn media_type(self: &RtpTransceiver) -> MediaType;
50        fn mid(self: &RtpTransceiver) -> Result<String>;
51        fn sender(self: &RtpTransceiver) -> SharedPtr<RtpSender>;
52        fn receiver(self: &RtpTransceiver) -> SharedPtr<RtpReceiver>;
53        fn stopped(self: &RtpTransceiver) -> bool;
54        fn stopping(self: &RtpTransceiver) -> bool;
55        fn direction(self: &RtpTransceiver) -> RtpTransceiverDirection;
56        fn set_direction(self: &RtpTransceiver, direction: RtpTransceiverDirection) -> Result<()>;
57        fn current_direction(self: &RtpTransceiver) -> Result<RtpTransceiverDirection>;
58        fn fired_direction(self: &RtpTransceiver) -> Result<RtpTransceiverDirection>;
59        fn stop_standard(self: &RtpTransceiver) -> Result<()>;
60        fn set_codec_preferences(
61            self: &RtpTransceiver,
62            codecs: Vec<RtpCodecCapability>,
63        ) -> Result<()>;
64        fn codec_preferences(self: &RtpTransceiver) -> Vec<RtpCodecCapability>;
65        fn header_extensions_to_negotiate(
66            self: &RtpTransceiver,
67        ) -> Vec<RtpHeaderExtensionCapability>;
68        fn negotiated_header_extensions(self: &RtpTransceiver)
69            -> Vec<RtpHeaderExtensionCapability>;
70        fn set_header_extensions_to_negotiate(
71            self: &RtpTransceiver,
72            headers: Vec<RtpHeaderExtensionCapability>,
73        ) -> Result<()>;
74
75        fn _shared_rtp_transceiver() -> SharedPtr<RtpTransceiver>;
76    }
77}
78
79impl_thread_safety!(ffi::RtpTransceiver, Send + Sync);
webrtc_sys/rtp_transceiver.rs

webrtc_sys/
rtp_transceiver.rs
