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ASR debugging
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This commit is contained in:
Zakary Timson
2025-12-13 22:02:13 -05:00
parent af42506174
commit 07f9593b6a
1 changed files with 19 additions and 14 deletions
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33
src/ai.ts
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@@ -21,7 +21,7 @@ export type AiOptions = LLMOptions & {
export type WhisperModel = 'tiny' | 'base' | 'small' | 'medium' | 'large';
export class Ai {
private downloads: {[key: string]: Promise<void>} = {};
private downloads: {[key: string]: Promise<string>} = {};
private whisperModel!: string;
/** Large Language Models */
@@ -43,11 +43,11 @@ export class Ai {
*/
async asr(path: string, model?: WhisperModel): Promise<string | null> {
if(!this.options.whisper?.binary) throw new Error('Whisper not configured');
if(!model) model = this.options.whisper.model;
await this.downloadAsrModel();
await this.downloadAsrModel(model);
const name = Math.random().toString(36).substring(2, 10) + '-' + path.split('/').pop() + '.txt';
const output = Path.join(this.options.whisper.temp || '/tmp', name);
await $`rm -f ${output} && ${this.options.whisper.binary} -nt -np -m ${this.whisperModel} -f ${path} -otxt -of ${output}`;
console.log(`rm -f ${output} && ${this.options.whisper.binary} -nt -np -m ${model ? Path.join(this.options.whisper.path, model) : this.whisperModel} -f ${path} -otxt -of ${output}`);
await $`rm -f ${output} && ${this.options.whisper.binary} -nt -np -m ${model ? Path.join(this.options.whisper.path, model) : this.whisperModel} -f ${path} -otxt -of ${output}`;
return fs.readFile(output, 'utf-8').then(text => text?.trim() || null)
.finally(() => fs.rm(output, {force: true}).catch(() => {}));
}
@@ -56,19 +56,24 @@ export class Ai {
* Downloads the specified Whisper model if it is not already present locally.
*
* @param {string} model Whisper model that will be downloaded
* @return {Promise<void>} A promise that resolves once the model is downloaded and saved locally.
* @return {Promise<string>} Absolute path to model file, resolves once downloaded
*/
async downloadAsrModel(): Promise<void> {
async downloadAsrModel(model?: string): Promise<string> {
if(!this.options.whisper?.binary) throw new Error('Whisper not configured');
if(await fs.stat(this.whisperModel).then(() => true).catch(() => false)) return;
const model = <string>this.whisperModel.split('/').at(-1);
if(!!this.downloads[model]) return this.downloads[model];
this.downloads[model] = fetch(`https://huggingface.co/ggerganov/whisper.cpp/resolve/main/${model}`)
.then(resp => resp.arrayBuffer()).then(arr => Buffer.from(arr)).then(async buffer => {
await fs.writeFile(this.whisperModel, buffer);
delete this.downloads[model];
let m;
if(model) m = model?.endsWith('.bin') ? model : model + '.bin';
else m = <string>this.whisperModel.split('/').at(-1);
const p = Path.join(this.options.whisper.path, m);
if(await fs.stat(p).then(() => true).catch(() => false)) return p;
if(!!this.downloads[m]) return this.downloads[m];
this.downloads[m] = fetch(`https://huggingface.co/ggerganov/whisper.cpp/resolve/main/${m}`)
.then(resp => resp.arrayBuffer())
.then(arr => Buffer.from(arr)).then(async buffer => {
await fs.writeFile(Path.join((<any>this.options.whisper).path, m), buffer);
delete this.downloads[m];
return p;
});
return this.downloads[model];
return this.downloads[m];
}
/**