81 lines
1.7 KiB
Go
81 lines
1.7 KiB
Go
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package main
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import (
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"fmt"
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"io"
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"os"
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"time"
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// Package imports
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whisper "github.com/ggerganov/whisper.cpp/bindings/go/pkg/whisper"
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wav "github.com/go-audio/wav"
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)
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func Process(model whisper.Model, path string, lang string, speedup, tokens bool) error {
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var data []float32
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// Create processing context
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context, err := model.NewContext()
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if err != nil {
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return err
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}
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// Open the file
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fh, err := os.Open(path)
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if err != nil {
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return err
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}
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defer fh.Close()
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// Decode the WAV file
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dec := wav.NewDecoder(fh)
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if buf, err := dec.FullPCMBuffer(); err != nil {
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return err
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} else if dec.SampleRate != whisper.SampleRate {
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return fmt.Errorf("unsupported sample rate: %d", dec.SampleRate)
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} else if dec.NumChans != 1 {
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return fmt.Errorf("unsupported number of channels: %d", dec.NumChans)
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} else {
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data = buf.AsFloat32Buffer().Data
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}
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// Set the parameters
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var cb whisper.SegmentCallback
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if lang != "" {
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if err := context.SetLanguage(lang); err != nil {
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return err
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}
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}
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if speedup {
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context.SetSpeedup(true)
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}
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if tokens {
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cb = func(segment whisper.Segment) {
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fmt.Printf("%02d [%6s->%6s] ", segment.Num, segment.Start.Truncate(time.Millisecond), segment.End.Truncate(time.Millisecond))
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for _, token := range segment.Tokens {
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fmt.Printf("%q ", token.Text)
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}
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fmt.Println("")
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}
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}
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// Process the data
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if err := context.Process(data, cb); err != nil {
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return err
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}
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// Print out the results
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for {
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segment, err := context.NextSegment()
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if err == io.EOF {
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break
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} else if err != nil {
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return err
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}
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fmt.Printf("[%6s->%6s] %s\n", segment.Start.Truncate(time.Millisecond), segment.End.Truncate(time.Millisecond), segment.Text)
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}
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// Return success
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return nil
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}
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