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package audio
import (
"fmt"
"strings"
)
// RunWithVoiceFallbacks tries the selected Gemini voice first, then the remaining known voices.
func RunWithVoiceFallbacks(initialVoice string, generate func(voice string) error, warnNoAudio func(voice string)) (usedVoice string, err error) {
attempted := make([]string, 0, len(GeminiVoices))
var lastErr error
for _, voice := range GeminiVoiceFallbacks(initialVoice) {
attempted = append(attempted, voice)
err := generate(voice)
if err == nil {
return voice, nil
}
if !IsGeminiNoAudioDataError(err) {
return "", err
}
lastErr = err
if warnNoAudio != nil {
warnNoAudio(voice)
}
}
return "", fmt.Errorf("gemini returned no audio for voices %s: %w", strings.Join(attempted, ", "), lastErr)
}
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