Function resolve_voice_state_cache_slots

src/models/pocket_tts/session.cpp:386–398

                    + ":" + std::to_string(hash_audio_samples(audio))
                    + (plan.truncate_clone_audio ? ":truncate" : ":full");
            }
            return "clone:" + plan.clone_audio_path.string() + (plan.truncate_clone_audio ? ":truncate" : ":full");
    }
    throw std::runtime_error("PocketTTS voice state cache key received unknown voice source");
}

std::size_t resolve_voice_state_cache_slots(const runtime::SessionOptions & options) {
    const int64_t slots = runtime::parse_i64_option(
        options.options,
        {"pocket_tts.voice_state_cache_slots", "voice_state_cache_slots"})
        .value_or(kDefaultVoiceStateCacheSlots);
    if (slots < 0) {
        throw std::runtime_error("pocket_tts.voice_state_cache_slots must be non-negative");
    }
    if (static_cast<std::uint64_t>(slots) > static_cast<std::uint64_t>(std::numeric_limits<std::size_t>::max())) {
        throw std::runtime_error("pocket_tts.voice_state_cache_slots is too large");