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Ensure extensions work with huge timestamps, fix AC3 and AAC extension's behavior with huge timestamps

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Vanilagy
2026-04-27 20:58:05 +02:00
parent 0cc564b47a
commit 0f6c374750
12 changed files with 282 additions and 31 deletions
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packages/ac3/src/codec.worker.ts
+12 -12
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@@ -18,23 +18,23 @@ let modulePromise: Promise<ExtendedEmscriptenModule> | null = null;
let initDecoderFn: (codecId: number) => number;
let configureDecodePacket: (ctx: number, size: number) => number;
let decodePacket: (ctx: number, pts: number) => number;
let decodePacket: (ctx: number, pts: bigint) => number;
let getDecodedFormat: (ctx: number) => number;
let getDecodedPlanePtr: (ctx: number, plane: number) => number;
let getDecodedChannels: (ctx: number) => number;
let getDecodedSampleRate: (ctx: number) => number;
let getDecodedSampleCount: (ctx: number) => number;
let getDecodedPts: (ctx: number) => number;
let getDecodedPts: (ctx: number) => bigint;
let flushDecoderFn: (ctx: number) => void;
let closeDecoderFn: (ctx: number) => void;
let initEncoderFn: (codecId: number, channels: number, sampleRate: number, bitrate: number) => number;
let getEncoderFrameSize: (ctx: number) => number;
let getEncodeInputPtr: (ctx: number, size: number) => number;
let encodeFrameFn: (ctx: number, pts: number) => number;
let encodeFrameFn: (ctx: number, pts: bigint) => number;
let flushEncoderFn: (ctx: number) => void;
let getEncodedData: (ctx: number) => number;
let getEncodedPts: (ctx: number) => number;
let getEncodedPts: (ctx: number) => bigint;
let getEncodedDuration: (ctx: number) => number;
let closeEncoderFn: (ctx: number) => void;
@@ -53,23 +53,23 @@ const ensureModule = async () => {
initDecoderFn = module.cwrap('init_decoder', 'number', ['number']);
configureDecodePacket = module.cwrap('configure_decode_packet', 'number', ['number', 'number']);
decodePacket = module.cwrap('decode_packet', 'number', ['number', 'number']);
decodePacket = module.cwrap('decode_packet', 'number', ['number', 'number']) as unknown as typeof decodePacket;
getDecodedFormat = module.cwrap('get_decoded_format', 'number', ['number']);
getDecodedPlanePtr = module.cwrap('get_decoded_plane_ptr', 'number', ['number', 'number']);
getDecodedChannels = module.cwrap('get_decoded_channels', 'number', ['number']);
getDecodedSampleRate = module.cwrap('get_decoded_sample_rate', 'number', ['number']);
getDecodedSampleCount = module.cwrap('get_decoded_sample_count', 'number', ['number']);
getDecodedPts = module.cwrap('get_decoded_pts', 'number', ['number']);
getDecodedPts = module.cwrap('get_decoded_pts', 'number', ['number']) as unknown as typeof getDecodedPts;
flushDecoderFn = module.cwrap('flush_decoder', null, ['number']);
closeDecoderFn = module.cwrap('close_decoder', null, ['number']);
initEncoderFn = module.cwrap('init_encoder', 'number', ['number', 'number', 'number', 'number']);
getEncoderFrameSize = module.cwrap('get_encoder_frame_size', 'number', ['number']);
getEncodeInputPtr = module.cwrap('get_encode_input_ptr', 'number', ['number', 'number']);
encodeFrameFn = module.cwrap('encode_frame', 'number', ['number', 'number']);
encodeFrameFn = module.cwrap('encode_frame', 'number', ['number', 'number']) as unknown as typeof encodeFrameFn;
flushEncoderFn = module.cwrap('flush_encoder', null, ['number']);
getEncodedData = module.cwrap('get_encoded_data', 'number', ['number']);
getEncodedPts = module.cwrap('get_encoded_pts', 'number', ['number']);
getEncodedPts = module.cwrap('get_encoded_pts', 'number', ['number']) as unknown as typeof getEncodedPts;
getEncodedDuration = module.cwrap('get_encoded_duration', 'number', ['number']);
closeEncoderFn = module.cwrap('close_encoder', null, ['number']);
}
@@ -108,7 +108,7 @@ const decode = (ctx: number, encodedData: ArrayBuffer, timestamp: number) => {
module.HEAPU8.set(bytes, dataPtr);
const ret = decodePacket(ctx, timestamp);
const ret = decodePacket(ctx, BigInt(timestamp));
if (ret < 0) {
throw new Error(`Decode failed with error code ${ret}.`);
}
@@ -122,7 +122,7 @@ const decode = (ctx: number, encodedData: ArrayBuffer, timestamp: number) => {
const channels = getDecodedChannels(ctx);
const sampleRate = getDecodedSampleRate(ctx);
const sampleCount = getDecodedSampleCount(ctx);
const pts = getDecodedPts(ctx);
const pts = Number(getDecodedPts(ctx));
let pcmData: ArrayBuffer;
if (info.planar) {
@@ -169,14 +169,14 @@ const encode = (ctx: number, audioData: ArrayBuffer, timestamp: number) => {
}
module.HEAPU8.set(audioBytes, inputPtr);
const bytesWritten = encodeFrameFn(ctx, timestamp);
const bytesWritten = encodeFrameFn(ctx, BigInt(timestamp));
if (bytesWritten < 0) {
throw new Error(`Encode failed with error code ${bytesWritten}.`);
}
const ptr = getEncodedData(ctx);
const encodedData = module.HEAPU8.slice(ptr, ptr + bytesWritten).buffer;
const pts = getEncodedPts(ctx);
const pts = Number(getEncodedPts(ctx));
const duration = getEncodedDuration(ctx);
return { encodedData, pts, duration };