FFTContext()

fl::FFTContext::FFTContext ( int samples, int bands, float fmin, float fmax, int sample_rate )

inline

Definition at line 40 of file fft_impl.cpp.

        : m_fftr_cfg(nullptr), m_kernels(nullptr) {
        memset(&m_cq_cfg, 0, sizeof(m_cq_cfg));
        m_cq_cfg.samples = samples;
        m_cq_cfg.bands = bands;
        m_cq_cfg.fmin = fmin;
        m_cq_cfg.fmax = fmax;
        m_cq_cfg.fs = sample_rate;
        m_cq_cfg.min_val = MIN_VAL;
        m_fftr_cfg = kiss_fftr_alloc(samples, 0, NULL, NULL);
        if (!m_fftr_cfg) {
            FASTLED_WARN("Failed to allocate FFTImpl context");
            return;
        }
        m_kernels = generate_kernels(m_cq_cfg);
    }

References FASTLED_WARN, generate_kernels(), kiss_fftr_alloc(), m_cq_cfg, m_fftr_cfg, m_kernels, and MIN_VAL.

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