This spits out a javascript file that can be used in the browser to convert PCM audio data to compressed ogg vorbis audio.
bower install libvorbis.js
See releases.
Requirements
- emscripten compiler
- TypeScript 1.5+ compiler (
npm install -g typescript) - uglifyjs (
npm install -g uglifyjs)
Instructions
git submodule init
git submodule update
./build.shdeclare module libvorbis {
interface OggVbrEncoderOptions {
channels: number;
sampleRate: number;
quality: number;
}
class OggVbrEncoder {
constructor(module: OggVbrModule, options: OggVbrEncoderOptions);
static create(options: OggVbrEncoderOptions): Promise<OggVbrEncoder>;
/**
* Performs a encoding step on the provided PCM channel data.
* It may or may not produce an output ArrayBuffer.
*
* @param channelData An array of PCM data buffers (one for each channel).
*/
encode(channelData: Float32Array[]): ArrayBuffer;
/**
* Finalizes the OGG Vorbis stream.
* It may or may not produce an output ArrayBuffer.
*/
finish(): ArrayBuffer;
}
interface OggVbrAsyncEncoderOptions {
workerURL: string;
moduleURL: string;
encoderOptions: OggVbrEncoderOptions;
}
class OggVbrAsyncEncoder {
/**
* Call static method create() to instantiate this class!
*/
constructor(worker: Worker, onData: (data: ArrayBuffer) => void, onFinished: () => void);
static create(options: OggVbrAsyncEncoderOptions,
onData: (data: ArrayBuffer) => void,
onFinished: () => void): Promise<OggVbrAsyncEncoder>;
/**
* Performs a encoding step on the provided PCM channel data.
*
* @param channelData An array of PCM data buffers (one for each channel).
*/
encode(channelData: Float32Array[]): void;
/**
* Performs a encoding step on the provided PCM channel data.
* Warning: passed buffers will be transferred to the Worker, rendering
* them unusable from this thread.
*
* @param channelData An array of PCM data buffers (one for each channel).
*/
encodeTransfer(channelData: Float32Array[]): void;
/**
* Finalizes the OGG Vorbis stream.
*/
finish(): void;
}
}