arcodange/mediabunny
1
0
Fork 0
mirror of https://github.com/arcodange-org/mediabunny.git synced 2026-09-27 10:53:50 +02:00
Code Issues Packages Projects Releases Wiki Activity

Make FLAC encoder bit depth depend on input sample format, add sampleFormat audio transformation option, fix incorrect bitrate validation for FLAC (closes #357)

Browse Source
This commit is contained in:
Vanilagy
2026-04-29 16:27:20 +02:00
parent 2d49122277
commit f3dec587fd
15 changed files with 384 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files
packages/flac-encoder/src/encode.worker.ts
+5 -4
View File
@@ -16,7 +16,7 @@ type ExtendedEmscriptenModule = EmscriptenModule & {
let module: ExtendedEmscriptenModule;
let modulePromise: Promise<ExtendedEmscriptenModule> | null = null;
let initEncoderFn: (channels: number, sampleRate: number) => number;
let initEncoderFn: (channels: number, sampleRate: number, bitsPerSample: number) => number;
let getEncodeInputPtr: (ctx: number, size: number) => number;
let sendSamplesFn: (ctx: number, numSamples: number) => number;
let getOutputData: (ctx: number) => number;
@@ -37,7 +37,7 @@ const ensureModule = async () => {
module = await modulePromise;
modulePromise = null;
initEncoderFn = module.cwrap('init_encoder', 'number', ['number', 'number']);
initEncoderFn = module.cwrap('init_encoder', 'number', ['number', 'number', 'number']);
getEncodeInputPtr = module.cwrap('get_encode_input_ptr', 'number', ['number', 'number']);
sendSamplesFn = module.cwrap('send_samples', 'number', ['number', 'number']);
getOutputData = module.cwrap('get_output_data', 'number', ['number']);
@@ -50,10 +50,10 @@ const ensureModule = async () => {
}
};
const initEncoder = async (numberOfChannels: number, sampleRate: number) => {
const initEncoder = async (numberOfChannels: number, sampleRate: number, bitsPerSample: 16 | 24) => {
await ensureModule();
const ctx = initEncoderFn(numberOfChannels, sampleRate);
const ctx = initEncoderFn(numberOfChannels, sampleRate, bitsPerSample);
if (ctx === 0) {
throw new Error('Failed to initialize FLAC encoder.');
}
@@ -121,6 +121,7 @@ const onMessage = (data: { id: number; command: WorkerCommand }) => {
const { ctx, header } = await initEncoder(
command.data.numberOfChannels,
command.data.sampleRate,
command.data.bitsPerSample,
);
result = { type: command.type, ctx, header };
transferables.push(header);