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Use WritableStream for StreamTarget & integrate backpressure concepts

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Vanilagy
2024-11-28 22:06:49 +01:00
parent 527108f44e
commit 266fcd473e
19 changed files with 1078 additions and 741 deletions
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src/muxer.ts
+7 -5
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@@ -1,18 +1,20 @@
import { AsyncMutex } from "./misc";
import { Output, OutputAudioTrack, OutputSubtitleTrack, OutputTrack, OutputVideoTrack } from "./output";
import { SubtitleCue, SubtitleMetadata } from "./subtitles";
export abstract class Muxer {
output: Output;
mutex = new AsyncMutex();
constructor(output: Output) {
this.output = output;
}
abstract start(): void;
abstract addEncodedVideoChunk(track: OutputVideoTrack, chunk: EncodedVideoChunk, meta?: EncodedVideoChunkMetadata): void;
abstract addEncodedAudioChunk(track: OutputAudioTrack, chunk: EncodedAudioChunk, meta?: EncodedAudioChunkMetadata): void;
abstract addSubtitleCue(track: OutputSubtitleTrack, cue: SubtitleCue, meta?: SubtitleMetadata): void;
abstract finalize(): void;
abstract start(): Promise<void>;
abstract addEncodedVideoChunk(track: OutputVideoTrack, chunk: EncodedVideoChunk, meta?: EncodedVideoChunkMetadata): Promise<void>;
abstract addEncodedAudioChunk(track: OutputAudioTrack, chunk: EncodedAudioChunk, meta?: EncodedAudioChunkMetadata): Promise<void>;
abstract addSubtitleCue(track: OutputSubtitleTrack, cue: SubtitleCue, meta?: SubtitleMetadata): Promise<void>;
abstract finalize(): Promise<void>;
beforeTrackAdd(track: OutputTrack) {}
onTrackClose(track: OutputTrack) {}