LocalAI/core/http/endpoints/localai/tts.go
Chakib Benziane b99182c8d4
TTS API improvements (#2308)
* update doc on COQUI_LANGUAGE env variable

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* return errors from tts gRPC backend

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* handle speaker_id and language in coqui TTS backend

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* TTS endpoint: add optional language paramter

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* tts fix: empty language string breaks non-multilingual models

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* allow tts param definition in config file

- consolidate TTS options under `tts` config entry

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* tts: update doc

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---------

Signed-off-by: blob42 <contact@blob42.xyz>
Co-authored-by: Ettore Di Giacinto <mudler@users.noreply.github.com>
2024-06-01 18:26:27 +00:00

73 lines
2.0 KiB
Go

package localai
import (
"github.com/go-skynet/LocalAI/core/backend"
"github.com/go-skynet/LocalAI/core/config"
fiberContext "github.com/go-skynet/LocalAI/core/http/ctx"
"github.com/go-skynet/LocalAI/pkg/model"
"github.com/go-skynet/LocalAI/core/schema"
"github.com/gofiber/fiber/v2"
"github.com/rs/zerolog/log"
)
// TTSEndpoint is the OpenAI Speech API endpoint https://platform.openai.com/docs/api-reference/audio/createSpeech
// @Summary Generates audio from the input text.
// @Accept json
// @Produce audio/x-wav
// @Param request body schema.TTSRequest true "query params"
// @Success 200 {string} binary "generated audio/wav file"
// @Router /v1/audio/speech [post]
// @Router /tts [post]
func TTSEndpoint(cl *config.BackendConfigLoader, ml *model.ModelLoader, appConfig *config.ApplicationConfig) func(c *fiber.Ctx) error {
return func(c *fiber.Ctx) error {
input := new(schema.TTSRequest)
// Get input data from the request body
if err := c.BodyParser(input); err != nil {
return err
}
modelFile, err := fiberContext.ModelFromContext(c, ml, input.Model, false)
if err != nil {
modelFile = input.Model
log.Warn().Msgf("Model not found in context: %s", input.Model)
}
cfg, err := cl.LoadBackendConfigFileByName(modelFile, appConfig.ModelPath,
config.LoadOptionDebug(appConfig.Debug),
config.LoadOptionThreads(appConfig.Threads),
config.LoadOptionContextSize(appConfig.ContextSize),
config.LoadOptionF16(appConfig.F16),
)
if err != nil {
log.Err(err)
modelFile = input.Model
log.Warn().Msgf("Model not found in context: %s", input.Model)
} else {
modelFile = cfg.Model
}
log.Debug().Msgf("Request for model: %s", modelFile)
if input.Backend != "" {
cfg.Backend = input.Backend
}
if input.Language != "" {
cfg.Language = input.Language
}
if input.Voice != "" {
cfg.Voice = input.Voice
}
filePath, _, err := backend.ModelTTS(cfg.Backend, input.Input, modelFile, cfg.Voice, cfg.Language, ml, appConfig, *cfg)
if err != nil {
return err
}
return c.Download(filePath)
}
}