Initialize module and dependencies

vendor/github.com/sashabaranov/go-openai/speech.go

@@ -0,0 +1,65 @@
+package openai
+
+import (
+	"context"
+	"net/http"
+)
+
+type SpeechModel string
+
+const (
+	TTSModel1         SpeechModel = "tts-1"
+	TTSModel1HD       SpeechModel = "tts-1-hd"
+	TTSModelCanary    SpeechModel = "canary-tts"
+	TTSModelGPT4oMini SpeechModel = "gpt-4o-mini-tts"
+)
+
+type SpeechVoice string
+
+const (
+	VoiceAlloy   SpeechVoice = "alloy"
+	VoiceAsh     SpeechVoice = "ash"
+	VoiceBallad  SpeechVoice = "ballad"
+	VoiceCoral   SpeechVoice = "coral"
+	VoiceEcho    SpeechVoice = "echo"
+	VoiceFable   SpeechVoice = "fable"
+	VoiceOnyx    SpeechVoice = "onyx"
+	VoiceNova    SpeechVoice = "nova"
+	VoiceShimmer SpeechVoice = "shimmer"
+	VoiceVerse   SpeechVoice = "verse"
+)
+
+type SpeechResponseFormat string
+
+const (
+	SpeechResponseFormatMp3  SpeechResponseFormat = "mp3"
+	SpeechResponseFormatOpus SpeechResponseFormat = "opus"
+	SpeechResponseFormatAac  SpeechResponseFormat = "aac"
+	SpeechResponseFormatFlac SpeechResponseFormat = "flac"
+	SpeechResponseFormatWav  SpeechResponseFormat = "wav"
+	SpeechResponseFormatPcm  SpeechResponseFormat = "pcm"
+)
+
+type CreateSpeechRequest struct {
+	Model          SpeechModel          `json:"model"`
+	Input          string               `json:"input"`
+	Voice          SpeechVoice          `json:"voice"`
+	Instructions   string               `json:"instructions,omitempty"`    // Optional, Doesnt work with tts-1 or tts-1-hd.
+	ResponseFormat SpeechResponseFormat `json:"response_format,omitempty"` // Optional, default to mp3
+	Speed          float64              `json:"speed,omitempty"`           // Optional, default to 1.0
+}
+
+func (c *Client) CreateSpeech(ctx context.Context, request CreateSpeechRequest) (response RawResponse, err error) {
+	req, err := c.newRequest(
+		ctx,
+		http.MethodPost,
+		c.fullURL("/audio/speech", withModel(string(request.Model))),
+		withBody(request),
+		withContentType("application/json"),
+	)
+	if err != nil {
+		return
+	}
+
+	return c.sendRequestRaw(req)
+}