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By the creators of AsyncMutex3

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This commit is contained in:
Vanilagy
2025-12-14 23:32:55 +01:00
parent 0f015d8e98
commit fbcb4dcb95
2 changed files with 41 additions and 45 deletions
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src/cursors.ts
+11 -16
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@@ -4,7 +4,7 @@
import { PCM_AUDIO_CODECS } from './codec';
import { InputAudioTrack, InputTrack, InputVideoTrack } from './input-track';
import { AudioDecoderWrapper, DecoderWrapper, PacketRetrievalOptions, PcmAudioDecoderWrapper, validatePacketRetrievalOptions, validateTimestamp, VideoDecoderWrapper } from './media-sink';
import { assert, AsyncMutex3, AsyncMutexLock, CallSerializer2, defer, insertSorted, isFirefox, last, MaybePromise, polyfillSymbolDispose, promiseWithResolvers, ResultValue, Rotation, Yo } from './misc';
import { assert, AsyncMutex4, AsyncMutexLock, CallSerializer2, defer, insertSorted, isFirefox, last, MaybePromise, polyfillSymbolDispose, promiseWithResolvers, ResultValue, Rotation, Yo } from './misc';
import { EncodedPacket } from './packet';
import { AudioSample, clampCropRectangle, CropRectangle, validateCropRectangle, VideoSample } from './sample';
@@ -377,9 +377,9 @@ export abstract class SampleCursor<
decodedTimestamps: number[] = [];
maxDecodedSequenceNumber = -1;
pumpTarget: EncodedPacket | null = null;
pumpMutex = new AsyncMutex3();
pumpMutex = new AsyncMutex4();
_closed = false;
otherMutex = new AsyncMutex3(); // TODO: THIS IS STILL A BUGGED MUTEX! ASYNC MUTEX 4
otherMutex = new AsyncMutex4();
error: unknown = null;
errorSet = false;
@@ -419,9 +419,8 @@ export abstract class SampleCursor<
return this.onDecoderError(new Error('Fake decoder error!'));
}
const mutexPromise = this.otherMutex.request();
if (mutexPromise) await mutexPromise;
using _ = this.otherMutex.lock();
using lock = this.otherMutex.lock();
if (lock.pending) await lock.ready;
while (this.decodedTimestamps.length > 0 && this.decodedTimestamps[0]! <= sample.timestamp) {
this.decodedTimestamps.shift();
@@ -474,9 +473,8 @@ export abstract class SampleCursor<
}
async onDecoderError(error: unknown) {
const mutexPromise = this.otherMutex.request();
if (mutexPromise) await mutexPromise;
using _ = this.otherMutex.lock();
using lock = this.otherMutex.lock();
if (lock.pending) await lock.ready;
await this.closeWithError(error);
}
@@ -519,9 +517,8 @@ export abstract class SampleCursor<
this.predictedRequests++;
if (!lock) {
const mutexPromise = this.pumpMutex.request();
if (mutexPromise) await mutexPromise;
lock = this.pumpMutex.lock();
if (lock.pending) await lock.ready;
}
this._ensureNotClosed();
@@ -698,9 +695,8 @@ export abstract class SampleCursor<
}
async _nextInternal(res: ResultValue<TransformedSample | null>): Promise<Yo> {
const mutexPromise = this.pumpMutex.request();
if (mutexPromise) await mutexPromise;
using lock = this.pumpMutex.lock();
if (lock.pending) await lock.ready;
this._ensureNotClosed();
@@ -850,9 +846,8 @@ export abstract class SampleCursor<
this.predictedRequests++;
this.packetReader.track.input._openSampleCursors.delete(this);
const mutexPromise = this.pumpMutex.request();
if (mutexPromise) await mutexPromise;
using _ = this.pumpMutex.lock();
using lock = this.pumpMutex.lock();
if (lock.pending) await lock.ready;
this._closed = true;