studiocontrol.cpp

LINUX下的混音软件

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */

/*
    Rosegarden
    A MIDI and audio sequencer and musical notation editor.
 
    This program is Copyright 2000-2007
        Guillaume Laurent   <[e-mail]>,
        Chris Cannam        <[e-mail]>,
        Richard Bown        <[e-mail]>
 
    The moral rights of Guillaume Laurent, Chris Cannam, and Richard
    Bown to claim authorship of this work have been asserted.
 
    Other copyrights also apply to some parts of this work.  Please
    see the AUTHORS file and individual file headers for details.
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/


#include "StudioControl.h"

#include "sound/Midi.h"
#include "misc/Debug.h"
#include "base/MidiProgram.h"
#include "base/Profiler.h"
#include "base/RealTime.h"
#include "gui/application/RosegardenApplication.h"
#include "sound/MappedCommon.h"
#include "sound/MappedComposition.h"
#include "sound/MappedEvent.h"
#include "sound/MappedInstrument.h"
#include "sound/MappedStudio.h"
#include <qcstring.h>
#include <qdatastream.h>
#include <qstring.h>


namespace Rosegarden
{

MappedObjectId
StudioControl::createStudioObject(MappedObject::MappedObjectType type)
{
Profiler profiler("StudioControl::createStudioObject", true);

int value = -1;
QByteArray data;
QCString replyType;
QByteArray replyData;
QDataStream streamOut(data, IO_WriteOnly);

streamOut << (int)type;

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

return value;
}

bool
StudioControl::destroyStudioObject(MappedObjectId id)
{
    Profiler profiler("StudioControl::destroyStudioObject", true);

    int value = 0;
    QByteArray data;
    QCString replyType;
    QByteArray replyData;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << int(id);

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

    if (value == 1)
        return true;
    else
        return false;
}

MappedObjectPropertyList
StudioControl::getStudioObjectProperty(MappedObjectId id,
                                       const MappedObjectProperty &property)
{
    Profiler profiler("StudioControl::getStudioObjectProperty", true);

    MappedObjectPropertyList list;

    QByteArray data;
    QCString replyType;
    QByteArray replyData;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;
    streamOut << QString(property);

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

    return list;
}

bool
StudioControl::setStudioObjectProperty(MappedObjectId id,
                                       const MappedObjectProperty &property,
                                       MappedObjectValue value)
{
    Profiler profiler("StudioControl::setStudioObjectProperty(float)", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;
    streamOut << (QString)property;
    streamOut << (float)value;

    rgapp->sequencerSend("setMappedProperty(int, QString, float)", data);

    return true;
}

bool
StudioControl::setStudioObjectProperties(const MappedObjectIdList &ids,
        const MappedObjectPropertyList &properties,
        const MappedObjectValueList &values)
{
    Profiler profiler("StudioControl::setStudioObjectProperties(floats)", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << ids;
    streamOut << properties;
    streamOut << values;

    rgapp->sequencerSend("setMappedProperties(MappedObjectIdList, MappedObjectPropertyList, MappedObjectValueList)", data);

    return true;
}

bool
StudioControl::setStudioObjectProperty(MappedObjectId id,
                                       const MappedObjectProperty &property,
                                       const QString &value)
{
    Profiler profiler("StudioControl::setStudioObjectProperty(string)", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;
    streamOut << (QString)property;
    streamOut << (QString)value;

    rgapp->sequencerSend("setMappedProperty(int, QString, QString)", data);

    return true;
}

bool
StudioControl::setStudioObjectPropertyList(MappedObjectId id,
        const MappedObjectProperty &property,
        const MappedObjectPropertyList &values)
{
    Profiler profiler("StudioControl::setStudioObjectPropertyList", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)id;
    streamOut << (QString)property;
    streamOut << values;

    RG_DEBUG << "StudioControl::setStudioObjectPropertyList: " << values.size() << " values for property " << property << endl;

    rgapp->sequencerSend("setMappedPropertyList(int, QString, MappedObjectPropertyList)",
                         data);

    return true;
}

MappedObjectId
StudioControl::getStudioObjectByType(MappedObject::MappedObjectType type)
{
    Profiler profiler("StudioControl::getStudioObjectByType", true);

    int value = -1;
    QByteArray data;
    QCString replyType;
    QByteArray replyData;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)type;

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

    return value;
}

void
StudioControl::setStudioPluginPort(MappedObjectId pluginId,
                                   unsigned long portId,
                                   MappedObjectValue value)
{
    Profiler profiler("StudioControl::setStudioPluginPort", true);

    QByteArray data;
    QDataStream streamOut(data, IO_WriteOnly);

    // Use new MappedEvent interface
    //
    streamOut << (int)pluginId;
    streamOut << (unsigned long)portId;
    streamOut << (float)value;

    rgapp->sequencerSend("setMappedPort(int, unsigned long int, float)", data);
}

MappedObjectValue
StudioControl::getStudioPluginPort(MappedObjectId pluginId,
                                   unsigned long portId)
{
    Profiler profiler("StudioControl::getStudioPluginPort", true);

    float value = 0.0;
    QByteArray data;
    QCString replyType;
    QByteArray replyData;
    QDataStream streamOut(data, IO_WriteOnly);

    streamOut << (int)pluginId;
    streamOut << (unsigned long)portId;

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

    return value;
}

MappedObjectPropertyList
StudioControl::getPluginInformation()
{
    MappedObjectPropertyList list;

    QByteArray data;
    QCString replyType;
    QByteArray replyData;