studiocontrol.cpp

LINUX下的混音软件

    if (!rgapp->sequencerCall("getPluginInformation()",
                              replyType, replyData, data)) {
        SEQMAN_DEBUG << "getPluginInformation - "
        << "failed to contact Rosegarden sequencer"
        << endl;
    } else {
        QDataStream streamIn(replyData, IO_ReadOnly);
        streamIn >> list;
    }

    return list;
}

QString
StudioControl::getPluginProgram(MappedObjectId id, int bank, int program)
{
    QByteArray data;
    QCString replyType;
    QByteArray replyData;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;
    streamOut << (int)bank;
    streamOut << (int)program;

    QString programName;

    if (!rgapp->sequencerCall("getPluginProgram(int, int, int)",
                              replyType, replyData, data)) {
        SEQMAN_DEBUG << "getPluginProgram - "
        << "failed to contact Rosegarden sequencer"
        << endl;
    } else {
        QDataStream streamIn(replyData, IO_ReadOnly);
        streamIn >> programName;
    }

    return programName;
}

unsigned long
StudioControl::getPluginProgram(MappedObjectId id, QString name)
{
    QByteArray data;
    QCString replyType;
    QByteArray replyData;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;
    streamOut << name;

    unsigned long rv;

    if (!rgapp->sequencerCall("getPluginProgram(int, QString)",
                              replyType, replyData, data)) {
        SEQMAN_DEBUG << "getPluginProgram - "
        << "failed to contact Rosegarden sequencer"
        << endl;
    } else {
        QDataStream streamIn(replyData, IO_ReadOnly);
        streamIn >> rv;
    }

    return rv;
}

void
StudioControl::connectStudioObjects(MappedObjectId id1,
                                    MappedObjectId id2)
{
    Profiler profiler("StudioControl::connectStudioObjects", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id1;
    streamOut << (int)id2;

    if (!rgapp->sequencerSend("connectMappedObjects(int, int)", data)) {
        SEQMAN_DEBUG << "connectStudioObjects - "
        << "failed to contact Rosegarden sequencer"
        << endl;
    }

    return ;
}

void
StudioControl::disconnectStudioObjects(MappedObjectId id1,
                                       MappedObjectId id2)
{
    Profiler profiler("StudioControl::disconnectStudioObjects", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id1;
    streamOut << (int)id2;

    if (!rgapp->sequencerSend("disconnectMappedObjects(int, int)", data)) {
        SEQMAN_DEBUG << "disconnectStudioObjects - "
        << "failed to contact Rosegarden sequencer"
        << endl;
    }

    return ;
}

void
StudioControl::disconnectStudioObject(MappedObjectId id)
{
    Profiler profiler("StudioControl::disconnectStudioObject", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;

    if (!rgapp->sequencerSend("disconnectMappedObject(int)", data)) {
        SEQMAN_DEBUG << "disconnectStudioObject - "
        << "failed to contact Rosegarden sequencer"
        << endl;
    }

    return ;
}

void
StudioControl::sendMappedEvent(const MappedEvent &mE)
{
    Profiler profiler("StudioControl::sendMappedEvent", true);

    static MappedEvent mEs;

    mEs = mE; // just in case the passed mapped event has dubious
    // origins and taking its address isn't safe

    mEs.setPersistent(true); // to avoid that MappedComposition dtor try to free it

    MappedComposition mC;
    mC.insert(&mEs);
    StudioControl::sendMappedComposition(mC);
}

void
StudioControl::sendMappedComposition(const MappedComposition &mC)
{
    Profiler profiler("StudioControl::sendMappedComposition", true);

    if (mC.size() == 0)
        return ;

    QCString replyType;
    QByteArray replyData;

    MappedComposition::const_iterator it = mC.begin();

    for (; it != mC.end(); it++) {
        QByteArray data;
        QDataStream streamOut(data, IO_WriteOnly);

        streamOut << (*it);
        rgapp->sequencerSend("processMappedEvent(MappedEvent)", data);
    }
}

void
StudioControl::sendMappedInstrument(const MappedInstrument &mI)
{
    Profiler profiler("StudioControl::sendMappedInstrument", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)mI.getType();
    streamOut << (unsigned char)mI.getChannel();
    streamOut << (unsigned int)mI.getId();

    rgapp->sequencerSend("setMappedInstrument(int, unsigned char, unsigned int)", data);
}

void
StudioControl::sendQuarterNoteLength(const RealTime &length)
{
    Profiler profiler("StudioControl::sendQuarterNoteLength", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (long)length.sec;
    streamOut << (long)length.nsec;

    rgapp->sequencerSend("setQuarterNoteLength(long int, long int)", data);
}

void
StudioControl::sendRPN(InstrumentId instrumentId,
                       MidiByte paramMSB,
                       MidiByte paramLSB,
                       MidiByte /* controller */,
                       MidiByte value)
{
    Profiler profiler("StudioControl::sendRPN", true);

    MappedComposition mC;
    MappedEvent *mE =
        new MappedEvent(instrumentId,
                        MappedEvent::MidiController,
                        MIDI_CONTROLLER_RPN_2,
                        paramMSB);
    mC.insert(mE);

    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         MIDI_CONTROLLER_RPN_1,
                         paramLSB);
    mC.insert(mE);

    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         6,  // data value changed
                         value);
    mC.insert(mE);


    // Null the controller using - this is "best practice"
    //
    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         MIDI_CONTROLLER_RPN_2,
                         MidiMaxValue); // null
    mC.insert(mE);

    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         MIDI_CONTROLLER_RPN_1,
                         MidiMaxValue); // null
    mC.insert(mE);


    StudioControl::sendMappedComposition(mC);
}

void
StudioControl::sendNRPN(InstrumentId instrumentId,
                        MidiByte paramMSB,
                        MidiByte paramLSB,
                        MidiByte /* controller */,
                        MidiByte value)
{
    Profiler profiler("StudioControl::sendNRPN", true);

    MappedComposition mC;
    MappedEvent *mE =
        new MappedEvent(instrumentId,
                        MappedEvent::MidiController,
                        MIDI_CONTROLLER_NRPN_2,
                        paramMSB);
    mC.insert(mE);

    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         MIDI_CONTROLLER_NRPN_1,
                         paramLSB);
    mC.insert(mE);

    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         6,  // data value changed
                         value);
    mC.insert(mE);


    // Null the controller using - this is "best practice"
    //
    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         MIDI_CONTROLLER_RPN_2,
                         MidiMaxValue); // null
    mC.insert(mE);

    mE = new MappedEvent(instrumentId,
                         MappedEvent::MidiController,
                         MIDI_CONTROLLER_RPN_1,
                         MidiMaxValue); // null
    mC.insert(mE);
}

}