Method GetWaveDuration

engine/PoseidonOpenAL/SoundSystemOAL.cpp:254–268

}

float SoundSystemOAL::GetWaveDuration(const char* filename)
{
    // SoundLoadFile dispatches by extension (.ogg/.wav, else .wss); WSSLoadFile alone returned
    // null for .ogg, so any OGG duration query (speech/dialog clips, soundLength) read as 0.
    WaveStream* s = SoundLoadFile(filename);
    if (!s)
        return 0.f;
    WAVEFORMATEX fmt;
    s->GetFormat(fmt);
    float dur = fmt.nAvgBytesPerSec > 0
                    ? static_cast<float>(s->GetUncompressedSize()) / static_cast<float>(fmt.nAvgBytesPerSec)
                    : 0.f;
    s->Release();
    return dur;
}

IWave* SoundSystemOAL::CreateEmptyWave(float duration)
{