89 lines
2.1 KiB
Go
89 lines
2.1 KiB
Go
package openai
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import (
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"context"
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"errors"
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"io"
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"net/http"
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)
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type SpeechModel string
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const (
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TTSModel1 SpeechModel = "tts-1"
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TTSModel1HD SpeechModel = "tts-1-hd"
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TTSModelCanary SpeechModel = "canary-tts"
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)
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type SpeechVoice string
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const (
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VoiceAlloy SpeechVoice = "alloy"
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VoiceEcho SpeechVoice = "echo"
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VoiceFable SpeechVoice = "fable"
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VoiceOnyx SpeechVoice = "onyx"
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VoiceNova SpeechVoice = "nova"
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VoiceShimmer SpeechVoice = "shimmer"
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)
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type SpeechResponseFormat string
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const (
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SpeechResponseFormatMp3 SpeechResponseFormat = "mp3"
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SpeechResponseFormatOpus SpeechResponseFormat = "opus"
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SpeechResponseFormatAac SpeechResponseFormat = "aac"
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SpeechResponseFormatFlac SpeechResponseFormat = "flac"
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)
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var (
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ErrInvalidSpeechModel = errors.New("invalid speech model")
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ErrInvalidVoice = errors.New("invalid voice")
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)
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type CreateSpeechRequest struct {
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Model SpeechModel `json:"model"`
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Input string `json:"input"`
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Voice SpeechVoice `json:"voice"`
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ResponseFormat SpeechResponseFormat `json:"response_format,omitempty"` // Optional, default to mp3
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Speed float64 `json:"speed,omitempty"` // Optional, default to 1.0
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}
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func contains[T comparable](s []T, e T) bool {
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for _, v := range s {
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if v == e {
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return true
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}
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}
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return false
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}
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func isValidSpeechModel(model SpeechModel) bool {
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return contains([]SpeechModel{TTSModel1, TTSModel1HD, TTSModelCanary}, model)
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}
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func isValidVoice(voice SpeechVoice) bool {
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return contains([]SpeechVoice{VoiceAlloy, VoiceEcho, VoiceFable, VoiceOnyx, VoiceNova, VoiceShimmer}, voice)
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}
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func (c *Client) CreateSpeech(ctx context.Context, request CreateSpeechRequest) (response io.ReadCloser, err error) {
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if !isValidSpeechModel(request.Model) {
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err = ErrInvalidSpeechModel
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return
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}
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if !isValidVoice(request.Voice) {
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err = ErrInvalidVoice
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return
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}
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req, err := c.newRequest(ctx, http.MethodPost, c.fullURL("/audio/speech", request.Model),
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withBody(request),
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withContentType("application/json; charset=utf-8"),
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)
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if err != nil {
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return
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}
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response, err = c.sendRequestRaw(req)
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return
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}
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