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92 lines
2.2 KiB
92 lines
2.2 KiB
1 year ago
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package openai
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import (
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"fmt"
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"io"
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"net/http"
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"os"
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"path"
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"path/filepath"
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"github.com/ggerganov/whisper.cpp/bindings/go/pkg/whisper"
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config "github.com/go-skynet/LocalAI/api/config"
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"github.com/go-skynet/LocalAI/api/options"
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model "github.com/go-skynet/LocalAI/pkg/model"
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whisperutil "github.com/go-skynet/LocalAI/pkg/whisper"
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"github.com/gofiber/fiber/v2"
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"github.com/rs/zerolog/log"
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)
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// https://platform.openai.com/docs/api-reference/audio/create
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func TranscriptEndpoint(cm *config.ConfigLoader, o *options.Option) func(c *fiber.Ctx) error {
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return func(c *fiber.Ctx) error {
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m, input, err := readInput(c, o.Loader, false)
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if err != nil {
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return fmt.Errorf("failed reading parameters from request:%w", err)
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}
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config, input, err := readConfig(m, input, cm, o.Loader, o.Debug, o.Threads, o.ContextSize, o.F16)
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if err != nil {
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return fmt.Errorf("failed reading parameters from request:%w", err)
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}
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// retrieve the file data from the request
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file, err := c.FormFile("file")
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if err != nil {
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return err
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}
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f, err := file.Open()
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if err != nil {
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return err
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}
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defer f.Close()
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dir, err := os.MkdirTemp("", "whisper")
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if err != nil {
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return err
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}
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defer os.RemoveAll(dir)
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dst := filepath.Join(dir, path.Base(file.Filename))
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dstFile, err := os.Create(dst)
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if err != nil {
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return err
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}
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if _, err := io.Copy(dstFile, f); err != nil {
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log.Debug().Msgf("Audio file copying error %+v - %+v - err %+v", file.Filename, dst, err)
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return err
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}
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log.Debug().Msgf("Audio file copied to: %+v", dst)
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whisperModel, err := o.Loader.BackendLoader(
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model.WithBackendString(model.WhisperBackend),
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model.WithModelFile(config.Model),
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model.WithThreads(uint32(config.Threads)),
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model.WithAssetDir(o.AssetsDestination))
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if err != nil {
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return err
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}
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if whisperModel == nil {
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return fmt.Errorf("could not load whisper model")
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}
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w, ok := whisperModel.(whisper.Model)
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if !ok {
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return fmt.Errorf("loader returned non-whisper object")
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}
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tr, err := whisperutil.Transcript(w, dst, input.Language, uint(config.Threads))
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if err != nil {
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return err
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}
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log.Debug().Msgf("Trascribed: %+v", tr)
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// TODO: handle different outputs here
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return c.Status(http.StatusOK).JSON(fiber.Map{"text": tr})
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}
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}
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