Method applyGain

src/fl/audio/audio.cpp.hpp:191–200

void Sample::applyGain(float gain) {
    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);
    }
}

Sample::Sample(fl::span<const fl::i16> span, fl::u32 timestamp) {
    mImpl = fl::Singleton<AudioSamplePool>::instance().getOrCreate();