Method initialize

src/SFML/Audio/MiniaudioUtils.cpp:142–195

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void MiniaudioUtils::SoundBase::initialize(ma_sound_end_proc endCallback)
{
    // Initialize the sound
    auto* engine = AudioDevice::getEngine();

    if (engine == nullptr)
    {
        err() << "Failed to initialize sound: No engine available" << std::endl;
        return;
    }

    ma_sound_config soundConfig;

    soundConfig                      = ma_sound_config_init();
    soundConfig.pDataSource          = this;
    soundConfig.pEndCallbackUserData = this;
    soundConfig.endCallback          = endCallback;

    if (const ma_result result = ma_sound_init_ex(engine, &soundConfig, &sound); result != MA_SUCCESS)
    {
        err() << "Failed to initialize sound: " << ma_result_description(result) << std::endl;
        return;
    }

    // Initialize the custom effect node
    effectNodeVTable.onProcess =
        [](ma_node* node, const float** framesIn, std::uint32_t* frameCountIn, float** framesOut, std::uint32_t* frameCountOut)
    { static_cast<EffectNode*>(node)->impl->processEffect(framesIn, *frameCountIn, framesOut, *frameCountOut); };
    effectNodeVTable.onGetRequiredInputFrameCount = nullptr;
    effectNodeVTable.inputBusCount                = 1;
    effectNodeVTable.outputBusCount               = 1;
    effectNodeVTable.flags                        = MA_NODE_FLAG_CONTINUOUS_PROCESSING | MA_NODE_FLAG_ALLOW_NULL_INPUT;

    const auto     nodeChannelCount = ma_engine_get_channels(engine);
    ma_node_config nodeConfig       = ma_node_config_init();
    nodeConfig.vtable               = &effectNodeVTable;
    nodeConfig.pInputChannels       = &nodeChannelCount;
    nodeConfig.pOutputChannels      = &nodeChannelCount;

    if (const ma_result result = ma_node_init(ma_engine_get_node_graph(engine), &nodeConfig, nullptr, &effectNode);
        result != MA_SUCCESS)
    {
        err() << "Failed to initialize effect node: " << ma_result_description(result) << std::endl;
        return;
    }

    effectNode.impl         = this;
    effectNode.channelCount = nodeChannelCount;

    // Route the sound through the effect node depending on whether an effect processor is set
    connectEffect(bool{effectProcessor});

    applySettings(sound, savedSettings);
}


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