/
main.go
155 lines (132 loc) · 3.41 KB
/
main.go
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package main
import (
"bytes"
"context"
"encoding/csv"
"encoding/json"
"errors"
"fmt"
"io"
"log/slog"
"net/http"
"net/url"
"os"
"path"
"strconv"
"time"
libapi "github.com/kujilabo/cocotola-1.21/lib/api"
)
func main() {
ctx := context.Background()
inTextPath := "text.csv"
outAudioPath := "audio.csv"
in_file, err := os.Open(inTextPath)
if err != nil {
panic(err)
}
defer in_file.Close()
out_file, err := os.Create(outAudioPath)
if err != nil {
panic(err)
}
defer out_file.Close()
synthesizerClient := synthesizeClient{
endpoint: "http://localhost:8020",
username: "username",
password: "password",
}
reader := NewEnglishSentencesCSVReader(in_file, out_file, &synthesizerClient)
logger := slog.Default()
for {
logger.InfoContext(ctx, "next")
err := reader.Next(ctx)
if errors.Is(err, io.EOF) {
break
}
if err != nil {
panic(err)
}
}
}
type englishSentencesCSVReader struct {
reader1 *csv.Reader
writer1 *csv.Writer
synthesizeClient *synthesizeClient
}
func NewEnglishSentencesCSVReader(reader1 io.Reader, writer1 io.Writer, synthesizeClient *synthesizeClient) *englishSentencesCSVReader {
return &englishSentencesCSVReader{
reader1: csv.NewReader(reader1),
writer1: csv.NewWriter(writer1),
synthesizeClient: synthesizeClient,
}
}
func (r *englishSentencesCSVReader) Next(ctx context.Context) error {
var err error
var text []string
text, err = r.reader1.Read()
if errors.Is(err, io.EOF) {
return err
}
srcText := text[1]
dstText := text[0]
srcAudioContent, srcAudioLength, err := r.synthesizeClient.synthesize(ctx, "ja-JP", "ja-JP-Neural2-C", srcText)
if err != nil {
return err
}
dstAudioContent, dstAudioLength, err := r.synthesizeClient.synthesize(ctx, "en-US", "en-US-Neural2-A", dstText)
if err != nil {
return err
}
if err := r.writer1.Write([]string{srcText, srcAudioContent, strconv.Itoa(int(srcAudioLength.Milliseconds())), dstText, dstAudioContent, strconv.Itoa(int(dstAudioLength.Milliseconds()))}); err != nil {
return err
}
r.writer1.Flush()
return nil
}
type synthesizeClient struct {
endpoint string
username string
password string
}
func (c *synthesizeClient) synthesize(ctx context.Context, lang5, voice, text string) (string, time.Duration, error) {
logger := slog.Default()
logger.InfoContext(ctx, "synthesize")
httpClient := http.Client{}
authEndpoint, err := url.Parse(c.endpoint)
if err != nil {
return "", 0, err
}
u := *authEndpoint
u.Path = path.Join(u.Path, "v1", "synthesize", "synthesize")
param := libapi.SynthesizeParameter{
Lang5: lang5,
Voice: voice,
Text: text,
}
b, err := json.Marshal(param)
if err != nil {
return "", 0, err
}
req, err := http.NewRequestWithContext(ctx, http.MethodPost, u.String(), bytes.NewReader(b))
if err != nil {
return "", 0, err
}
req.SetBasicAuth(c.username, c.password)
resp, err := httpClient.Do(req)
if err != nil {
return "", 0, err
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
respBytes, err := io.ReadAll(resp.Body)
if err != nil {
return "", 0, err
}
return "", 0, fmt.Errorf("%d, %s", resp.StatusCode, string(respBytes))
}
synthesizeResponse := libapi.SynthesizeResponse{}
if err := json.NewDecoder(resp.Body).Decode(&synthesizeResponse); err != nil {
return "", 0, err
}
return synthesizeResponse.AudioContent, time.Duration(synthesizeResponse.AudioLengthMillisecond) * time.Millisecond, nil
}