Method receiveLoop

examples/voip/Server.cpp:117–157

/////////////////////////////////////////////////////// Get audio data from the client until playback is stopped ///////////////////////////////////////////////////////

    ///
    ////////////////////////////////////////////////////////////
    void receiveLoop()
    {
        while (!m_hasFinished)
        {
            // Get waiting audio data from the network
            sf::Packet packet;
            if (m_client.receive(packet) != sf::Socket::Status::Done)
                break;

            // Extract the message ID
            std::uint8_t id = 0;
            packet >> id;

            if (id == serverAudioData)
            {
                // Extract audio samples from the packet, and append it to our samples buffer
                const std::size_t sampleCount = (packet.getDataSize() - 1) / sizeof(std::int16_t);

                // Don't forget that the other thread can access the sample array at any time
                // (so we protect any operation on it with the mutex)
                {
                    const std::lock_guard lock(m_mutex);
                    const auto*           begin = static_cast<const char*>(packet.getData()) + 1;
                    const auto*           end   = begin + sampleCount * sizeof(std::int16_t);
                    m_samples.insert(m_samples.end(), begin, end);
                }
            }
            else if (id == serverEndOfStream)
            {
                // End of stream reached: we stop receiving audio data
                std::cout << "Audio data has been 100% received!" << std::endl;
                m_hasFinished = true;
            }
            else
            {
                // Something's wrong...
                std::cout << "Invalid packet received..." << std::endl;
                m_hasFinished = true;
            }
        }
    }

    ////////////////////////////////////////////////////////////
    // Member data