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prevent SoundMeter from being initialized if stream has no audio tracks available

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This commit is contained in:
Hanusiak Piotr
2022-02-03 12:58:31 +01:00
parent e0f5529fa7
commit 4424c7cce1
3 changed files with 63 additions and 69 deletions
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front/src/Stores/MediaStore.ts
+38 -41
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@@ -397,47 +397,6 @@ async function toggleConstraints(track: MediaStreamTrack, constraints: MediaTrac
}
}
export const localVolumeStore = readable<number | null>(null, (set) => {
let timeout: ReturnType<typeof setTimeout>;
const unsubscribe = localStreamStore.subscribe((localStreamStoreValue) => {
console.log('LOCAL VOLUME STORE SUBSCRIBE TO LOCAL STREAM STORE');
if (localStreamStoreValue.type === "error") {
console.log('D1');
set(null);
return;
}
const soundMeter = new SoundMeter();
const mediaStream = localStreamStoreValue.stream;
if (mediaStream === null) {
console.log('D2');
set(null);
return;
}
console.log('D3');
console.log(localStreamStoreValue);
soundMeter.connectToSource(mediaStream, new AudioContext());
let error = false;
timeout = setInterval(() => {
console.log('local time interval');
try {
set(soundMeter.getVolume());
} catch (err) {
if (!error) {
console.error(err);
error = true;
}
}
}, 100);
});
return () => {
console.log('UNSUBSCRIBE FROM LOCAL STREAM STORE');
unsubscribe();
clearInterval(timeout);
}
});
/**
* A store containing the MediaStream object (or null if nothing requested, or Error if an error occurred)
*/
@@ -584,6 +543,44 @@ export const obtainedMediaConstraintStore = derived<Readable<MediaStreamConstrai
}
);
export const localVolumeStore = readable<number | null>(null, (set) => {
let timeout: ReturnType<typeof setTimeout>;
const unsubscribe = localStreamStore.subscribe((localStreamStoreValue) => {
console.log('LOCAL VOLUME STORE SUBSCRIBE TO LOCAL STREAM STORE');
if (localStreamStoreValue.type === "error") {
console.log('D1');
set(null);
return;
}
const soundMeter = new SoundMeter();
const mediaStream = localStreamStoreValue.stream;
if (mediaStream !== null && mediaStream.getAudioTracks().length > 0) {
console.log('D3');
console.log(localStreamStoreValue);
soundMeter.connectToSource(mediaStream, new AudioContext());
let error = false;
timeout = setInterval(() => {
console.log('local time interval');
try {
set(soundMeter.getVolume());
} catch (err) {
if (!error) {
console.error(err);
error = true;
}
}
}, 100);
}
});
return () => {
console.log('UNSUBSCRIBE FROM LOCAL STREAM STORE');
unsubscribe();
clearInterval(timeout);
}
});
/**
* Device list
*/