Method read

src/SFML/Audio/SoundFileReaderOgg.cpp:206–230

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std::uint64_t SoundFileReaderOgg::read(std::int16_t* samples, std::uint64_t maxCount)
{
    assert(m_vorbis.datasource && "Vorbis datasource is missing. Call SoundFileReaderOgg::open() to initialize it.");

    // Try to read the requested number of samples, stop only on error or end of file
    std::uint64_t count = 0;
    while (count < maxCount)
    {
        const int bytesToRead = static_cast<int>(maxCount - count) * static_cast<int>(sizeof(std::int16_t));
        const long bytesRead = ov_read(&m_vorbis, reinterpret_cast<char*>(samples), bytesToRead, SFML_IS_BIG_ENDIAN, 2, 1, nullptr);
        if (bytesRead > 0)
        {
            const long samplesRead = bytesRead / static_cast<long>(sizeof(std::int16_t));
            count += static_cast<std::uint64_t>(samplesRead);
            samples += samplesRead;
        }
        else
        {
            // error or end of file
            break;
        }
    }

    return count;
}


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