126 lines
3.9 KiB
TypeScript
126 lines
3.9 KiB
TypeScript
/*
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Copyright 2022 New Vector Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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import { useState, useEffect } from "react";
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import { CallFeed, CallFeedEvent } from "matrix-js-sdk/src/webrtc/callFeed";
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import { SDPStreamMetadataPurpose } from "matrix-js-sdk/src/webrtc/callEventTypes";
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const DEBUG_INFO_INTERVAL = 1000; // ms
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export interface CallFeedDebugInfo {
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width: number | undefined;
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height: number | undefined;
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}
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interface CallFeedState {
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callFeed: CallFeed | undefined;
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isLocal: boolean;
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speaking: boolean;
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videoMuted: boolean;
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audioMuted: boolean;
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localVolume: number;
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hasAudio: boolean;
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disposed: boolean | undefined;
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stream: MediaStream | undefined;
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purpose: SDPStreamMetadataPurpose | undefined;
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debugInfo: CallFeedDebugInfo;
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}
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function getDebugInfo(callFeed: CallFeed | undefined): CallFeedDebugInfo {
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return {
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width: callFeed?.stream?.getVideoTracks()?.[0]?.getSettings()?.width,
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height: callFeed?.stream?.getVideoTracks()?.[0]?.getSettings()?.height,
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};
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}
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function getCallFeedState(callFeed: CallFeed | undefined): CallFeedState {
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return {
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callFeed,
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isLocal: callFeed ? callFeed.isLocal() : false,
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speaking: callFeed ? callFeed.isSpeaking() : false,
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videoMuted: callFeed ? callFeed.isVideoMuted() : true,
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audioMuted: callFeed ? callFeed.isAudioMuted() : true,
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localVolume: callFeed ? callFeed.getLocalVolume() : 0,
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hasAudio:
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callFeed && callFeed.stream
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? callFeed.stream.getAudioTracks().length >= 1
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: false,
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disposed: callFeed ? callFeed.disposed : undefined,
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stream: callFeed ? callFeed.stream : undefined,
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purpose: callFeed ? callFeed.purpose : undefined,
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debugInfo: getDebugInfo(callFeed),
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};
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}
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export function useCallFeed(callFeed: CallFeed | undefined): CallFeedState {
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const [state, setState] = useState<CallFeedState>(() =>
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getCallFeedState(callFeed)
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);
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useEffect(() => {
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function onSpeaking(speaking: boolean) {
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setState((prevState) => ({ ...prevState, speaking }));
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}
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function onMuteStateChanged(audioMuted: boolean, videoMuted: boolean) {
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setState((prevState) => ({ ...prevState, audioMuted, videoMuted }));
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}
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function onLocalVolumeChanged(localVolume: number) {
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setState((prevState) => ({ ...prevState, localVolume }));
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}
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function onUpdateCallFeed() {
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setState(getCallFeedState(callFeed));
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}
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if (callFeed) {
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callFeed.on(CallFeedEvent.Speaking, onSpeaking);
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callFeed.on(CallFeedEvent.MuteStateChanged, onMuteStateChanged);
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callFeed.on(CallFeedEvent.LocalVolumeChanged, onLocalVolumeChanged);
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callFeed.on(CallFeedEvent.NewStream, onUpdateCallFeed);
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callFeed.on(CallFeedEvent.Disposed, onUpdateCallFeed);
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}
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onUpdateCallFeed();
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const debugInfoInterval = setInterval(() => {
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setState((prevState) => ({
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...prevState,
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debugInfo: getDebugInfo(callFeed),
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}));
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}, DEBUG_INFO_INTERVAL);
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return () => {
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clearInterval(debugInfoInterval);
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if (callFeed) {
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callFeed.removeListener(CallFeedEvent.Speaking, onSpeaking);
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callFeed.removeListener(
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CallFeedEvent.MuteStateChanged,
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onMuteStateChanged
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);
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callFeed.removeListener(
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CallFeedEvent.LocalVolumeChanged,
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onLocalVolumeChanged
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);
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callFeed.removeListener(CallFeedEvent.NewStream, onUpdateCallFeed);
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}
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};
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}, [callFeed]);
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return state;
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}
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