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AudioMixing.tsx
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AudioMixing.tsx
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import {
AudioMixingReasonType,
AudioMixingStateType,
ClientRoleType,
} from 'agora-electron-sdk';
import React, { ReactElement, useCallback, useEffect, useState } from 'react';
import {
AgoraButton,
AgoraDivider,
AgoraSwitch,
AgoraTextInput,
} from '../../../components/ui';
import { getResourcePath } from '../../../utils';
import * as log from '../../../utils/log';
import { BaseComponent } from '../components/BaseComponent';
import BaseRenderChannel from '../components/BaseRenderChannel';
import useInitRtcEngine from '../hooks/useInitRtcEngine';
export default function AudioMixing() {
const [enableVideo] = useState<boolean>(false);
const { channelId, setChannelId, token, uid, joinChannelSuccess, engine } =
/**
* Step 1: initRtcEngine
*/
useInitRtcEngine(enableVideo);
const [filePath, setFilePath] = useState<string>(
getResourcePath('effect.mp3')
);
const [loopback, setLoopback] = useState<boolean>(false);
const [cycle, setCycle] = useState<number>(-1);
const [startPos, setStartPos] = useState<number>(0);
const [startAudioMixing, setStartAudioMixing] = useState<boolean>(false);
const [pauseAudioMixing, setPauseAudioMixing] = useState<boolean>(false);
/**
* Step 2: joinChannel
*/
const joinChannel = () => {
if (!channelId) {
log.error('channelId is invalid');
return;
}
if (uid < 0) {
log.error('uid is invalid');
return;
}
// start joining channel
// 1. Users can only see each other after they join the
// same channel successfully using the same app id.
// 2. If app certificate is turned on at dashboard, token is needed
// when joining channel. The channel name and uid used to calculate
// the token has to match the ones used for channel join
engine.current.joinChannel(token, channelId, uid, {
// Make myself as the broadcaster to send stream to remote
clientRoleType: ClientRoleType.ClientRoleBroadcaster,
});
};
/**
* Step 3-1: startAudioMixing
*/
const _startAudioMixing = () => {
if (!filePath) {
log.error('filePath is invalid');
return;
}
if (cycle < -1) {
log.error('cycle is invalid');
return;
}
if (startPos < 0) {
log.error('startPos is invalid');
return;
}
engine.current.startAudioMixing(filePath, loopback, cycle, startPos);
};
/**
* Step 3-2 (Optional): pauseAudioMixing
*/
const _pauseAudioMixing = () => {
engine.current.pauseAudioMixing();
};
/**
* Step 3-3 (Optional): resumeAudioMixing
*/
const resumeAudioMixing = () => {
engine.current.resumeAudioMixing();
};
/**
* Step 3-4 (Optional): getAudioMixingCurrentPosition
*/
const getAudioMixingCurrentPosition = () => {
const position = engine.current.getAudioMixingCurrentPosition();
const duration = engine.current.getAudioMixingDuration();
log.debug(
'getAudioMixingCurrentPosition',
'position',
position,
'duration',
duration
);
};
/**
* Step 3-5: stopAudioMixing
*/
const stopAudioMixing = () => {
engine.current.stopAudioMixing();
};
/**
* Step 4: leaveChannel
*/
const leaveChannel = () => {
engine.current.leaveChannel();
};
const onAudioMixingStateChanged = useCallback(
(state: AudioMixingStateType, reason: AudioMixingReasonType) => {
log.info('onAudioMixingStateChanged', 'state', state, 'reason', reason);
switch (state) {
case AudioMixingStateType.AudioMixingStatePlaying:
setStartAudioMixing(true);
setPauseAudioMixing(false);
break;
case AudioMixingStateType.AudioMixingStatePaused:
setPauseAudioMixing(true);
break;
case AudioMixingStateType.AudioMixingStateStopped:
case AudioMixingStateType.AudioMixingStateFailed:
setStartAudioMixing(false);
break;
}
},
[]
);
const onAudioMixingFinished = useCallback(() => {
log.info('AudioMixingFinished');
}, []);
const onAudioRoutingChanged = useCallback((routing: number) => {
log.info('onAudioRoutingChanged', 'routing', routing);
}, []);
useEffect(() => {
engine.current.addListener(
'onAudioMixingStateChanged',
onAudioMixingStateChanged
);
engine.current.addListener('onAudioMixingFinished', onAudioMixingFinished);
engine.current.addListener('onAudioRoutingChanged', onAudioRoutingChanged);
const engineCopy = engine.current;
return () => {
engineCopy.removeListener(
'onAudioMixingStateChanged',
onAudioMixingStateChanged
);
engineCopy.removeListener('onAudioMixingFinished', onAudioMixingFinished);
engineCopy.removeListener('onAudioRoutingChanged', onAudioRoutingChanged);
};
}, [
engine,
onAudioMixingFinished,
onAudioMixingStateChanged,
onAudioRoutingChanged,
]);
return (
<BaseComponent
name={'AudioMixing'}
renderConfiguration={renderConfiguration}
renderChannel={() => (
<BaseRenderChannel
channelId={channelId}
joinChannel={joinChannel}
leaveChannel={leaveChannel}
joinChannelSuccess={joinChannelSuccess}
onChannelIdChange={setChannelId}
/>
)}
renderAction={renderAction}
/>
);
function renderConfiguration(): ReactElement | undefined {
return (
<>
<AgoraTextInput
onChangeText={(text) => {
setFilePath(text);
}}
placeholder={'filePath'}
value={filePath}
/>
<AgoraSwitch
title={'loopback'}
value={loopback}
onValueChange={(value) => {
setLoopback(value);
}}
/>
<AgoraDivider />
<AgoraTextInput
onChangeText={(text) => {
if (isNaN(+text)) return;
setCycle((prev) => (text === '' ? prev : +text));
}}
numberKeyboard={true}
placeholder={`cycle (defaults: ${cycle})`}
/>
<AgoraTextInput
onChangeText={(text) => {
if (isNaN(+text)) return;
setStartPos((prev) => (text === '' ? prev : +text));
}}
numberKeyboard={true}
placeholder={`startPos (defaults: ${startPos})`}
/>
</>
);
}
function renderAction(): ReactElement | undefined {
return (
<>
<AgoraButton
title={`${startAudioMixing ? 'stop' : 'start'} Audio Mixing`}
onPress={startAudioMixing ? stopAudioMixing : _startAudioMixing}
/>
<AgoraButton
disabled={!startAudioMixing}
title={`${pauseAudioMixing ? 'resume' : 'pause'} Audio Mixing`}
onPress={pauseAudioMixing ? resumeAudioMixing : _pauseAudioMixing}
/>
<AgoraButton
disabled={!startAudioMixing}
title={`get Audio Mixing Current Position`}
onPress={getAudioMixingCurrentPosition}
/>
</>
);
}
}