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

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This commit is contained in:
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/aac-encoder/src/bridge.c
+4 -3
View File
@@ -7,6 +7,7 @@
*/
#include <emscripten.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "libavcodec/avcodec.h"
@@ -20,7 +21,7 @@ typedef struct {
AVFrame *frame;
float *input_buffer;
int input_buffer_size;
int encoded_pts;
int64_t encoded_pts;
int encoded_duration;
} EncoderContext;
@@ -123,7 +124,7 @@ float *get_encode_input_ptr(EncoderContext *ctx, int size) {
}
EMSCRIPTEN_KEEPALIVE
int send_frame(EncoderContext *ctx, int pts) {
int send_frame(EncoderContext *ctx, int64_t pts) {
int channels = ctx->codec_ctx->ch_layout.nb_channels;
int frame_size = ctx->frame->nb_samples;
@@ -171,7 +172,7 @@ uint8_t *get_encoded_data(EncoderContext *ctx) {
}
EMSCRIPTEN_KEEPALIVE
int get_encoded_pts(EncoderContext *ctx) {
int64_t get_encoded_pts(EncoderContext *ctx) {
return ctx->encoded_pts;
}
packages/aac-encoder/src/encode.worker.ts
+6 -6
View File
@@ -21,12 +21,12 @@ let getEncoderFrameSize: (ctx: number) => number;
let getEncoderExtradata: (ctx: number) => number;
let getEncoderExtradataSize: (ctx: number) => number;
let getEncodeInputPtr: (ctx: number, size: number) => number;
let sendFrameFn: (ctx: number, pts: number) => number;
let sendFrameFn: (ctx: number, pts: bigint) => number;
let receivePacketFn: (ctx: number) => number;
let flushEncoderStartFn: (ctx: number) => void;
let resetEncoderFn: (ctx: number) => void;
let getEncodedData: (ctx: number) => number;
let getEncodedPts: (ctx: number) => number;
let getEncodedPts: (ctx: number) => bigint;
let getEncodedDuration: (ctx: number) => number;
const ensureModule = async () => {
if (!module) {
@@ -43,12 +43,12 @@ const ensureModule = async () => {
getEncoderExtradata = module.cwrap('get_encoder_extradata', 'number', ['number']);
getEncoderExtradataSize = module.cwrap('get_encoder_extradata_size', 'number', ['number']);
getEncodeInputPtr = module.cwrap('get_encode_input_ptr', 'number', ['number', 'number']);
sendFrameFn = module.cwrap('send_frame', 'number', ['number', 'number']);
sendFrameFn = module.cwrap('send_frame', 'number', ['number', 'number']) as unknown as typeof sendFrameFn;
receivePacketFn = module.cwrap('receive_packet', 'number', ['number']);
flushEncoderStartFn = module.cwrap('flush_encoder_start', null, ['number']);
resetEncoderFn = module.cwrap('reset_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']);
}
};
@@ -81,7 +81,7 @@ const drainPackets = (ctx: number) => {
while ((size = receivePacketFn(ctx)) > 0) {
const ptr = getEncodedData(ctx);
const encodedData = module.HEAPU8.slice(ptr, ptr + size).buffer;
const pts = getEncodedPts(ctx);
const pts = Number(getEncodedPts(ctx));
const duration = getEncodedDuration(ctx);
packets.push({ encodedData, pts, duration });
}
@@ -98,7 +98,7 @@ const encode = (ctx: number, audioData: ArrayBuffer, timestamp: number) => {
}
module.HEAPU8.set(audioBytes, inputPtr);
const ret = sendFrameFn(ctx, timestamp);
const ret = sendFrameFn(ctx, BigInt(timestamp));
if (ret < 0) {
throw new Error(`Encode failed with error code ${ret}.`);
}