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72 lines
1.7 KiB
72 lines
1.7 KiB
package backend
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"github.com/go-skynet/LocalAI/api/options"
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"github.com/go-skynet/LocalAI/pkg/grpc/proto"
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model "github.com/go-skynet/LocalAI/pkg/model"
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"github.com/go-skynet/LocalAI/pkg/utils"
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)
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func generateUniqueFileName(dir, baseName, ext string) string {
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counter := 1
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fileName := baseName + ext
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for {
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filePath := filepath.Join(dir, fileName)
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_, err := os.Stat(filePath)
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if os.IsNotExist(err) {
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return fileName
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}
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counter++
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fileName = fmt.Sprintf("%s_%d%s", baseName, counter, ext)
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}
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}
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func ModelTTS(text, modelFile string, loader *model.ModelLoader, o *options.Option) (string, *proto.Result, error) {
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opts := []model.Option{
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model.WithBackendString(model.PiperBackend),
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model.WithModelFile(modelFile),
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model.WithContext(o.Context),
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model.WithAssetDir(o.AssetsDestination),
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}
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for k, v := range o.ExternalGRPCBackends {
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opts = append(opts, model.WithExternalBackend(k, v))
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}
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piperModel, err := o.Loader.BackendLoader(opts...)
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if err != nil {
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return "", nil, err
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}
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if piperModel == nil {
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return "", nil, fmt.Errorf("could not load piper model")
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}
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if err := os.MkdirAll(o.AudioDir, 0755); err != nil {
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return "", nil, fmt.Errorf("failed creating audio directory: %s", err)
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}
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fileName := generateUniqueFileName(o.AudioDir, "piper", ".wav")
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filePath := filepath.Join(o.AudioDir, fileName)
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modelPath := filepath.Join(o.Loader.ModelPath, modelFile)
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if err := utils.VerifyPath(modelPath, o.Loader.ModelPath); err != nil {
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return "", nil, err
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}
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res, err := piperModel.TTS(context.Background(), &proto.TTSRequest{
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Text: text,
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Model: modelPath,
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Dst: filePath,
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})
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return filePath, res, err
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}
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