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|
//=========================================================
// MusE
// Linux Music Editor
// $Id: app.cpp,v 1.113.2.68 2009/12/21 14:51:51 spamatica Exp $
//
// (C) Copyright 1999-2004 Werner Schweer (ws@seh.de)
//=========================================================
#include <QApplication>
#include <QDir>
#include <QKeyEvent>
#include <QMessageBox>
#include <QLocale>
#include <QSplashScreen>
#include <QTimer>
#include <QTranslator>
#include <QIcon>
#include <sys/mman.h>
#include <alsa/asoundlib.h>
#include "al/dsp.h"
#include "app.h"
#include "audio.h"
#include "audiodev.h"
#include "gconfig.h"
#include "globals.h"
#include "icons.h"
#include "sync.h"
extern bool initDummyAudio();
extern void initIcons();
extern bool initJackAudio();
extern void initMidiController();
extern void initMetronome();
extern void initOSC();
extern void initVST();
extern void initPlugins();
extern void initShortCuts();
extern void initDSSI();
extern void readConfiguration();
static QString locale_override;
#ifdef HAVE_LASH
#include <lash/lash.h>
extern lash_client_t * lash_client;
extern snd_seq_t * alsaSeq;
#endif
//---------------------------------------------------------
// getCapabilities
//---------------------------------------------------------
static void getCapabilities()
{
#ifdef RTCAP
#ifdef __linux__
const char* napp = getenv("GIVERTCAP");
if (napp == 0)
napp = "givertcap";
int pid = fork();
if (pid == 0) {
if (execlp(napp, napp, 0) == -1)
perror("exec givertcap failed");
}
else if (pid == -1) {
perror("fork givertcap failed");
}
else {
waitpid(pid, 0, 0);
}
#endif // __linux__
#endif
}
//---------------------------------------------------------
// printVersion
//---------------------------------------------------------
static void printVersion(const char* prog)
{
fprintf(stderr, "%s: Linux Music Editor; Version %s, (svn revision %s)\n", prog, VERSION, SVNVERSION);
}
//---------------------------------------------------------
// MuseApplication
//---------------------------------------------------------
class MuseApplication : public QApplication {
MusE* muse;
public:
MuseApplication(int& argc, char** argv)
: QApplication(argc, argv)
{
muse = 0;
}
void setMuse(MusE* m) {
muse = m;
#ifdef HAVE_LASH
if(useLASH)
startTimer (300);
#endif
}
bool notify(QObject* receiver, QEvent* event) {
//if (event->type() == QEvent::KeyPress)
// printf("notify key press before app::notify accepted:%d\n", event->isAccepted());
bool flag = QApplication::notify(receiver, event);
if (event->type() == QEvent::KeyPress) {
//printf("notify key press after app::notify accepted:%d\n", event->isAccepted());
QKeyEvent* ke = (QKeyEvent*)event;
///globalKeyState = ke->stateAfter();
globalKeyState = ke->modifiers();
bool accepted = ke->isAccepted();
if (!accepted) {
int key = ke->key();
///if (ke->state() & Qt::ShiftModifier)
//if (globalKeyState & Qt::ShiftModifier)
if (((QInputEvent*)ke)->modifiers() & Qt::ShiftModifier)
key += Qt::SHIFT;
///if (ke->state() & Qt::AltModifier)
//if (globalKeyState & Qt::AltModifier)
if (((QInputEvent*)ke)->modifiers() & Qt::AltModifier)
key += Qt::ALT;
///if (ke->state() & Qt::ControlModifier)
//if (globalKeyState & Qt::ControlModifier)
if (((QInputEvent*)ke)->modifiers() & Qt::ControlModifier)
key+= Qt::CTRL;
muse->kbAccel(key);
return true;
}
}
if (event->type() == QEvent::KeyRelease) {
QKeyEvent* ke = (QKeyEvent*)event;
///globalKeyState = ke->stateAfter();
globalKeyState = ke->modifiers();
}
return flag;
}
#ifdef HAVE_LASH
virtual void timerEvent (QTimerEvent * /* e */) {
if(useLASH)
muse->lash_idle_cb ();
}
#endif /* HAVE_LASH */
};
//---------------------------------------------------------
// localeList
//---------------------------------------------------------
static QString localeList()
{
// Find out what translations are available:
QStringList deliveredLocaleListFiltered;
QString distLocale = museGlobalShare + "/locale";
QFileInfo distLocaleFi(distLocale);
if (distLocaleFi.isDir()) {
QDir dir = QDir(distLocale);
QStringList deliveredLocaleList = dir.entryList();
for(QStringList::iterator it = deliveredLocaleList.begin(); it != deliveredLocaleList.end(); ++it) {
QString item = *it;
if (item.endsWith(".qm")) {
int inipos = item.indexOf("muse_") + 5;
int finpos = item.lastIndexOf(".qm");
deliveredLocaleListFiltered << item.mid(inipos, finpos - inipos);
}
}
return deliveredLocaleListFiltered.join(",");
}
return QString("No translations found!");
}
//---------------------------------------------------------
// usage
//---------------------------------------------------------
static void usage(const char* prog, const char* txt)
{
fprintf(stderr, "%s: %s\nusage: %s flags midifile\n Flags:\n",
prog, txt, prog);
fprintf(stderr, " -h this help\n");
fprintf(stderr, " -v print version\n");
fprintf(stderr, " -d debug mode: no threads, no RT\n");
fprintf(stderr, " -D debug mode: enable some debug messages\n");
fprintf(stderr, " specify twice for lots of debug messages\n");
fprintf(stderr, " this may slow down MusE massively!\n");
fprintf(stderr, " -m debug mode: trace midi Input\n");
fprintf(stderr, " -M debug mode: trace midi Output\n");
fprintf(stderr, " -s debug mode: trace sync\n");
fprintf(stderr, " -a no audio\n");
fprintf(stderr, " -P n set audio driver real time priority to n\n");
fprintf(stderr, " (Dummy only, default 40. Else fixed by Jack.)\n");
fprintf(stderr, " -Y n force midi real time priority to n (default: audio driver prio +2)\n");
fprintf(stderr, " -p don't load LADSPA plugins\n");
#ifdef ENABLE_PYTHON
fprintf(stderr, " -y enable Python control support\n");
#endif
#ifdef VST_SUPPORT
fprintf(stderr, " -V don't load VST plugins\n");
#endif
#ifdef DSSI_SUPPORT
fprintf(stderr, " -I don't load DSSI plugins\n");
#endif
#ifdef HAVE_LASH
fprintf(stderr, " -L don't use LASH\n");
#endif
fprintf(stderr, " -l xx force locale to the given language/country code\n");
fprintf(stderr, " (xx = %s)\n", localeList().toLatin1().constData());
}
//---------------------------------------------------------
// main
//---------------------------------------------------------
int main(int argc, char* argv[])
{
// error = ErrorHandler::create(argv[0]);
ruid = getuid();
euid = geteuid();
undoSetuid();
getCapabilities();
int noAudio = false;
museUser = QString(getenv("HOME"));
museGlobalLib = QString(LIBDIR);
museGlobalShare = QString(SHAREDIR);
museProject = museProjectInitPath; //getcwd(0, 0);
museInstruments = museGlobalShare + QString("/instruments");
// Create config dir if it doesn't exists
QDir cPath = QDir(configPath);
if (! cPath.exists())
cPath.mkpath(".");
#ifdef HAVE_LASH
lash_args_t * lash_args = 0;
if(useLASH)
lash_args = lash_extract_args (&argc, &argv);
#endif
srand(time(0)); // initialize random number generator
// signal(SIGCHLD, catchSignal); // interferes with initVST()
initMidiController();
QApplication::setColorSpec(QApplication::ManyColor);
MuseApplication app(argc, argv);
initShortCuts();
readConfiguration();
museUserInstruments = config.userInstrumentsDir;
if (config.useDenormalBias)
printf("Denormal protection enabled.\n");
// SHOW MUSE SPLASH SCREEN
if (config.showSplashScreen) {
QPixmap splsh(museGlobalShare + "/splash.png");
if (!splsh.isNull()) {
QSplashScreen* muse_splash = new QSplashScreen(splsh,
Qt::WindowStaysOnTopHint);
muse_splash->setAttribute(Qt::WA_DeleteOnClose); // Possibly also Qt::X11BypassWindowManagerHint
muse_splash->show();
QTimer* stimer = new QTimer(0);
muse_splash->connect(stimer, SIGNAL(timeout()), muse_splash, SLOT(close()));
stimer->setSingleShot(true);
stimer->start(6000);
}
}
int i;
QString optstr("ahvdDmMsP:Y:l:py");
#ifdef VST_SUPPORT
optstr += QString("V");
#endif
#ifdef DSSI_SUPPORT
optstr += QString("I");
#endif
#ifdef HAVE_LASH
optstr += QString("L");
#endif
//#ifdef VST_SUPPORT
// while ((i = getopt(argc, argv, "ahvdDmMsVP:py")) != EOF) {
//#else
// while ((i = getopt(argc, argv, "ahvdDmMsP:py")) != EOF) {
//#endif
while ((i = getopt(argc, argv, optstr.toLatin1().constData())) != EOF) {
char c = (char)i;
switch (c) {
case 'v': printVersion(argv[0]); return 0;
case 'd':
debugMode = true;
realTimeScheduling = false;
break;
case 'a':
noAudio = true;
break;
case 'D':
if (!debugMsg)
debugMsg=true;
else
heavyDebugMsg=true;
case 'm': midiInputTrace = true; break;
case 'M': midiOutputTrace = true; break;
case 's': debugSync = true; break;
case 'P': realTimePriority = atoi(optarg); break;
case 'Y': midiRTPrioOverride = atoi(optarg); break;
case 'p': loadPlugins = false; break;
case 'V': loadVST = false; break;
case 'I': loadDSSI = false; break;
case 'L': useLASH = false; break;
case 'y': usePythonBridge = true; break;
case 'l': locale_override = QString(optarg); break;
case 'h': usage(argv[0], argv[1]); return -1;
default: usage(argv[0], "bad argument"); return -1;
}
}
/*
if(!config.styleSheetFile.isEmpty())
{
if(debugMsg)
printf("loading style sheet <%s> \n", qPrintable(config.styleSheetFile));
QFile cf(config.styleSheetFile);
if (cf.open(QIODevice::ReadOnly)) {
QByteArray ss = cf.readAll();
QString sheet(QString::fromUtf8(ss.data()));
app.setStyleSheet(sheet);
cf.close();
}
else
printf("loading style sheet <%s> failed\n", qPrintable(config.styleSheetFile));
}
*/
AL::initDsp();
if (debugMsg)
printf("Start euid: %d ruid: %d, Now euid %d\n",
euid, ruid, geteuid());
if (debugMode) {
initDummyAudio();
realTimeScheduling = false;
}
else if (noAudio) {
initDummyAudio();
realTimeScheduling = true;
//if (debugMode) { // ??
// realTimeScheduling = false;
// }
}
else if (initJackAudio()) {
if (!debugMode)
{
QMessageBox::critical(NULL, "MusE fatal error", "MusE <b>failed</b> to find a <b>Jack audio server</b>.<br><br>"
"<i>MusE will continue without audio support (-a switch)!</i><br><br>"
"If this was not intended check that Jack was started. "
"If Jack <i>was</i> started check that it was\n"
"started as the same user as MusE.\n");
initDummyAudio();
noAudio = true;
realTimeScheduling = true;
if (debugMode) {
realTimeScheduling = false;
}
}
else
{
fprintf(stderr, "fatal error: no JACK audio server found\n");
fprintf(stderr, "no audio functions available\n");
fprintf(stderr, "*** experimental mode -- no play possible ***\n");
initDummyAudio();
//realTimeScheduling = audioDevice->isRealtime();
}
realTimeScheduling = true;
}
else
realTimeScheduling = audioDevice->isRealtime();
// What unreliable nonsense. With Jack2 this reports true even if it is not running realtime.
// Jack says: "Cannot use real-time scheduling (RR/10)(1: Operation not permitted)". The kernel is non-RT.
// I cannot seem to find a reliable answer to the question, even with dummy audio and system calls.
//if (debugMsg)
// printf("realTimeScheduling:%d\n", realTimeScheduling);
useJackTransport.setValue(true);
// setup the prefetch fifo length now that the segmentSize is known
// Changed by Tim. p3.3.17
// Changed to 4 *, JUST FOR TEST!!!
fifoLength = 131072/segmentSize;
//fifoLength = (131072/segmentSize) * 4;
argc -= optind;
++argc;
if (debugMsg) {
printf("global lib: <%s>\n", museGlobalLib.toLatin1().constData());
printf("global share: <%s>\n", museGlobalShare.toLatin1().constData());
printf("muse home: <%s>\n", museUser.toLatin1().constData());
printf("project dir: <%s>\n", museProject.toLatin1().constData());
printf("user instruments: <%s>\n", museUserInstruments.toLatin1().constData());
}
static QTranslator translator(0);
QString locale(QApplication::keyboardInputLocale().name());
if (locale_override.length())
locale = locale_override;
if (locale != "C") {
QString loc("muse_");
loc += locale;
if (translator.load(loc, QString(".")) == false) {
QString lp(museGlobalShare);
lp += QString("/locale");
if (translator.load(loc, lp) == false) {
printf("no locale <%s>/<%s>\n", loc.toLatin1().constData(), lp.toLatin1().constData());
}
}
app.installTranslator(&translator);
}
if (locale == "de") {
printf("locale de\n");
hIsB = false;
}
if (loadPlugins)
initPlugins();
if (loadVST)
initVST();
if(loadDSSI)
initDSSI();
// p3.3.39
initOSC();
initIcons();
initMetronome();
//QApplication::clipboard()->setSelectionMode(false); ddskrjo obsolete even in Qt3
QApplication::addLibraryPath(museGlobalLib + "/qtplugins");
if (debugMsg) {
QStringList list = app.libraryPaths();
QStringList::Iterator it = list.begin();
printf("QtLibraryPath:\n");
while(it != list.end()) {
printf(" <%s>\n", (*it).toLatin1().constData());
++it;
}
}
muse = new MusE(argc, &argv[optind]);
app.setMuse(muse);
muse->setWindowIcon(*museIcon);
// Added by Tim. p3.3.22
if (!debugMode) {
if (mlockall(MCL_CURRENT | MCL_FUTURE))
perror("WARNING: Cannot lock memory:");
}
muse->show();
muse->seqStart();
#ifdef HAVE_LASH
{
lash_client = 0;
if(useLASH)
{
int lash_flags = LASH_Config_File;
const char *muse_name = PACKAGE_NAME;
lash_client = lash_init (lash_args, muse_name, lash_flags, LASH_PROTOCOL(2,0));
lash_alsa_client_id (lash_client, snd_seq_client_id (alsaSeq));
if (!noAudio) {
// p3.3.38
//char *jack_name = ((JackAudioDevice*)audioDevice)->getJackName();
const char *jack_name = audioDevice->clientName();
lash_jack_client_name (lash_client, jack_name);
}
}
}
#endif /* HAVE_LASH */
QTimer::singleShot(100, muse, SLOT(showDidYouKnowDialog()));
int rv = app.exec();
if(debugMsg)
printf("app.exec() returned:%d\nDeleting main MusE object\n", rv);
delete muse;
if(debugMsg)
printf("Finished! Exiting main, return value:%d\n", rv);
return rv;
}
|