Method write

src/SFML/Audio/SoundFileWriterOgg.cpp:198–229

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void SoundFileWriterOgg::write(const std::int16_t* samples, std::uint64_t count)
{
    // Vorbis has issues with buffers that are too large, so we ask for 64K
    constexpr int bufferSize = 65536;

    // A frame contains a sample from each channel
    int frameCount = static_cast<int>(count / m_channelCount);

    while (frameCount > 0)
    {
        // Prepare a buffer to hold our samples
        float** buffer = vorbis_analysis_buffer(&m_state, bufferSize);
        assert(buffer && "Vorbis buffer failed to allocate");

        // Write the samples to the buffer, converted to float and remapped to target channels
        for (int i = 0; i < std::min(frameCount, bufferSize); ++i)
        {
            for (unsigned int j = 0; j < m_channelCount; ++j)
                buffer[j][i] = samples[m_remapTable[j]] / 32767.0f;

            samples += m_channelCount;
        }

        // Tell the library how many samples we've written
        vorbis_analysis_wrote(&m_state, std::min(frameCount, bufferSize));

        frameCount -= bufferSize;

        // Flush any produced block
        flushBlocks();
    }
}


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