Method flush

tools/mtmd/mtmd-audio.cpp:806–836

}

std::vector<float> mtmd_audio_streaming_istft::flush() {
    std::vector<float> output;

    // Extract remaining samples from overlap buffer
    // Continue until we've extracted all meaningful samples
    int remaining = n_fft - hop_length;
    while (remaining > 0) {
        int chunk_size = std::min(remaining, hop_length);

        for (int i = 0; i < chunk_size; i++) {
            float sample;
            if (window_sum_buffer[i] > 1e-8f) {
                sample = overlap_buffer[i] / window_sum_buffer[i];
            } else {
                sample = overlap_buffer[i];
            }
            output.push_back(sample);
        }

        // Shift buffers
        std::copy(overlap_buffer.begin() + chunk_size, overlap_buffer.end(), overlap_buffer.begin());
        std::fill(overlap_buffer.end() - chunk_size, overlap_buffer.end(), 0.0f);

        std::copy(window_sum_buffer.begin() + chunk_size, window_sum_buffer.end(), window_sum_buffer.begin());
        std::fill(window_sum_buffer.end() - chunk_size, window_sum_buffer.end(), 0.0f);

        remaining -= chunk_size;
    }

    return output;
}