applyGain()

void fl::audio::Sample::applyGain

(

float

gain

)

Apply a digital gain multiplier to all PCM samples in-place.

Clamps to i16 range to prevent overflow.

Definition at line 200 of file audio.cpp.hpp.

                                              {
    if (!isValid() || gain == 1.0f) return;
    auto& samples = mImpl->pcm_mutable();
    for (fl::size i = 0; i < samples.size(); ++i) {
        fl::i32 val = static_cast<fl::i32>(static_cast<float>(samples[i]) * gain);
        if (val > 32767) val = 32767;
        if (val < -32768) val = -32768;
        samples[i] = static_cast<fl::i16>(val);
    }
    mImpl->pcmDidChange();
}

References fl::FL_NO_EXCEPT, isValid(), and mImpl.

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