Function writeSegmentsToFile

api/service/recording_transcoder.go:225–249

(outputPath string, segments [][]byte)

}

func writeSegmentsToFile(outputPath string, segments [][]byte) error {
	if len(segments) == 0 {
		return errors.New("录音分段为空")
	}
	if err := os.MkdirAll(filepath.Dir(outputPath), 0o755); err != nil {
		return fmt.Errorf("创建输入目录失败: %w", err)
	}
	if err := ensureRecordingWritableFile(outputPath, recordingLocalArtifactMode); err != nil {
		return err
	}
	f, err := os.OpenFile(outputPath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0o600)
	if err != nil {
		return fmt.Errorf("创建输入文件失败: %w", err)
	}
	defer f.Close()
	for i, segment := range segments {
		if len(segment) == 0 {
			continue
		}
		if _, err := f.Write(segment); err != nil {
			return fmt.Errorf("写入分段 %d 失败: %w", i, err)
		}
	}
	return ensureRecordingFileMode(outputPath, recordingLocalArtifactMode)
}

func normalizeRecordingTargetFormat(targetFormat string) string {
	targetFormat = strings.ToLower(strings.TrimSpace(strings.TrimPrefix(targetFormat, ".")))