initRms()

void fl::audio::SampleImpl::initRms ( )

inlineprivate

Definition at line 183 of file audio.h.

                               {
        if (mSignedPcm.empty()) {
            mRms = 0.0f;
            return;
        }
        fl::u64 sum_sq = 0;
        const int N = mSignedPcm.size();
        for (int i = 0; i < N; ++i) {
            fl::i32 x32 = fl::i32(mSignedPcm[i]);
            sum_sq += x32 * x32;
        }
        mRms = sqrtf(float(sum_sq) / N);
    }

References FL_NOEXCEPT, mRms, mSignedPcm, and fl::sqrtf().

Referenced by rms().

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