cpp/inflect_tts_sdk/src/tts_encoder.cpp

#include "inflect_tts.hpp"
#include "ax_engine.h"
#include <cstring>
#include <stdexcept>

TTSEngine::TTSEngine(const std::string& enc, const std::string& dec) {
    // Initialize AX engine
    auto* eng = ax_engine_init();
    enc_engine_ = ax_engine_load_model(eng, enc.c_str());
    dec_engine_ = ax_engine_load_model(eng, dec.c_str());
    if (!enc_engine_ || !dec_engine_)
        throw std::runtime_error("Failed to load AX models");
}

TTSEngine::~TTSEngine() {
    if (enc_context_) ax_engine_destroy_context(enc_context_);
    if (dec_context_) ax_engine_destroy_context(dec_context_);
}

std::vector<float> TTSEngine::synthesize(const std::string& text,
                                          float speed, float variation) {
    // TODO: Full pipeline implementation
    // 1. Text preprocessing (CPU)
    // 2. Tokenize + Embedding (CPU)
    // 3. Encoder NPU inference
    // 4. Duration + alignment (CPU)
    // 5. Decoder NPU inference
    return {};
}