LocalAI/api/localai.go
Ettore Di Giacinto a7bb029d23
feat: add tts with go-piper (#649)
Signed-off-by: mudler <mudler@localai.io>
2023-06-22 17:53:10 +02:00

79 lines
1.7 KiB
Go

package api
import (
"fmt"
"os"
"path/filepath"
model "github.com/go-skynet/LocalAI/pkg/model"
"github.com/go-skynet/LocalAI/pkg/tts"
"github.com/go-skynet/LocalAI/pkg/utils"
llama "github.com/go-skynet/go-llama.cpp"
"github.com/gofiber/fiber/v2"
)
type TTSRequest struct {
Model string `json:"model" yaml:"model"`
Input string `json:"input" yaml:"input"`
}
func generateUniqueFileName(dir, baseName, ext string) string {
counter := 1
fileName := baseName + ext
for {
filePath := filepath.Join(dir, fileName)
_, err := os.Stat(filePath)
if os.IsNotExist(err) {
return fileName
}
counter++
fileName = fmt.Sprintf("%s_%d%s", baseName, counter, ext)
}
}
func ttsEndpoint(cm *ConfigMerger, o *Option) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
input := new(TTSRequest)
// Get input data from the request body
if err := c.BodyParser(input); err != nil {
return err
}
piperModel, err := o.loader.BackendLoader(model.PiperBackend, input.Model, []llama.ModelOption{}, uint32(0), o.assetsDestination)
if err != nil {
return err
}
if piperModel == nil {
return fmt.Errorf("could not load piper model")
}
w, ok := piperModel.(*tts.Piper)
if !ok {
return fmt.Errorf("loader returned non-piper object %+v", w)
}
if err := os.MkdirAll(o.audioDir, 0755); err != nil {
return err
}
fileName := generateUniqueFileName(o.audioDir, "piper", ".wav")
filePath := filepath.Join(o.audioDir, fileName)
modelPath := filepath.Join(o.loader.ModelPath, input.Model)
if err := utils.VerifyPath(modelPath, o.loader.ModelPath); err != nil {
return err
}
if err := w.TTS(input.Input, modelPath, filePath); err != nil {
return err
}
return c.Download(filePath)
}
}