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tdemultimedia/noatun/library/engine.cpp

590 lines
13 KiB

// $Id$
#include <noatun/engine.h>
#include <noatun/equalizer.h>
#include <noatun/player.h>
#include <noatun/plugin.h>
#include <noatun/effects.h>
#include "titleproxy.h"
#include <string.h>
#include <tdemessagebox.h>
#include <tdelocale.h>
#include <kstandarddirs.h>
#include <tdeconfig.h>
#include <kdebug.h>
#include <tqfile.h>
#include <tqdir.h>
#include <sys/wait.h>
#include <kplayobject.h>
#include <kplayobjectfactory.h>
#include <dynamicrequest.h>
#include <soundserver.h>
#include <kmedia2.h>
#include <flowsystem.h>
#include <noatunarts.h>
#include <connect.h>
#include <cpuinfo.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <math.h>
static Arts::PlayObject nullPO() { return Arts::PlayObject::null(); }
#define HARDWARE_VOLUME
#if defined(__osf__)
#undef HARDWARE_VOLUME
#elif defined(__linux__)
#include <sys/soundcard.h>
#elif defined(__FreeBSD__)
#include <sys/soundcard.h>
#elif defined(__NetBSD__)
#include <soundcard.h>
#elif defined(___SOMETHING_UNKNOWN__)
#include <sys/soundcard.h>
#elif defined(_UNIXWARE)
#include <sys/soundcard.h>
#else
#undef HARDWARE_VOLUME
#endif
using namespace std;
namespace VolumeControls
{
struct VC
{
virtual ~VC() {}
virtual void setVolume(int percent)=0;
virtual int volume() const =0;
};
#ifdef HARDWARE_VOLUME
struct Hardware : public VC
{
Hardware(Engine *)
{
if ((fd=::open( "/dev/mixer", O_RDWR)) < 0)
{
return;
}
else
{
#define ERROR { fd=-1; return; }
int devmask, recmask, i_recsrc, stereodevs;
// Mixer is open. Now define properties
if (ioctl(fd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) ERROR
if (ioctl(fd, SOUND_MIXER_READ_RECMASK, &recmask) == -1) ERROR
if (ioctl(fd, SOUND_MIXER_READ_RECSRC, &i_recsrc) == -1) ERROR
if (ioctl(fd, SOUND_MIXER_READ_STEREODEVS, &stereodevs) == -1) ERROR
if (!devmask) ERROR
#undef ERROR
}
}
virtual ~Hardware() { ::close(fd); }
virtual void setVolume(int percent)
{
percent=percent+(percent<<8);
ioctl(fd, MIXER_WRITE(4), &percent);
}
virtual int volume() const
{
int volume, left, right;
left=100;
if (ioctl(fd, MIXER_READ(4), &volume) != -1)
{
left=volume & 0x7f;
right=(volume>>8) & 0x7f;
left=(left+right)/2;
}
return left;
}
private:
int fd;
};
#endif
struct SoftwareSSE : public VC
{
SoftwareSSE(Engine *e) : mVolume(100)
{
volumeControl = Arts::DynamicCast(e->server()->createObject("Noatun::StereoVolumeControlSSE"));
if(volumeControl.isNull())
volumeControl = Arts::DynamicCast(e->server()->createObject("Noatun::StereoVolumeControl"));
volumeControl.start();
id=e->globalEffectStack()->insertBottom(volumeControl,"Volume Control");
}
virtual void setVolume(int percent)
{
mVolume=percent;
float vol = pow(2.0, ((400 - (100-percent)*12)/200.0))/4.0;
if (percent == 0) vol = 0.0;
if (!volumeControl.isNull())
volumeControl.percent(vol);
}
virtual int volume() const
{
return mVolume;
}
private:
Noatun::StereoVolumeControlSSE volumeControl;
long id;
int mVolume;
};
struct Software : public VC
{
Software(Engine *e) : mVolume(100)
{
volumeControl = Arts::DynamicCast(e->server()->createObject("Noatun::StereoVolumeControl"));
volumeControl.start();
id=e->globalEffectStack()->insertBottom(volumeControl,"Volume Control");
}
virtual void setVolume(int percent)
{
mVolume=percent;
if (!volumeControl.isNull())
volumeControl.percent((float)percent/100.0);
}
virtual int volume() const
{
return mVolume;
}
private:
Noatun::StereoVolumeControl volumeControl;
long id;
int mVolume;
};
static VC *volumeControl(Engine *e)
{
#ifdef HARDWARE_VOLUME
if (napp->fastMixer())
return new Hardware(e);
else
{
#endif
if (!getenv("NO_SSE") && Arts::CpuInfo::flags()&Arts::CpuInfo::CpuSSE)
return new SoftwareSSE(e);
else
return new Software(e);
#ifdef HARDWARE_VOLUME
}
#endif
}
}
class Engine::EnginePrivate
{
public:
EnginePrivate()
: playobj(0),
server(Arts::SoundServerV2::null()),
globalEffectStack(Noatun::StereoEffectStack::null()),
effectsStack(Noatun::StereoEffectStack::null()),
visStack(Noatun::StereoEffectStack::null()),
volumeControl(0), session(Noatun::Session::null()),
pProxy(0)
{
}
~EnginePrivate()
{
visStack=Noatun::StereoEffectStack::null();
}
KDE::PlayObject *playobj;
Arts::SoundServerV2 server;
Arts::Synth_AMAN_PLAY amanPlay;
// globalEffectStack
// |- effectsStack
// |- Effects...
// |- visStack
// |- Visualizations
// |- Volume Control
//
Noatun::StereoEffectStack globalEffectStack;
Noatun::StereoEffectStack effectsStack;
Noatun::StereoEffectStack visStack;
Noatun::Equalizer equalizer;
int volumeID;
VolumeControls::VC *volumeControl;
Noatun::Session session;
TitleProxy::Proxy *pProxy;
};
Arts::SoundServerV2 *Engine::server() const { return &d->server;}
Arts::PlayObject Engine::playObject() const { return d->playobj ? d->playobj->object() : nullPO(); }
Arts::SoundServerV2 *Engine::simpleSoundServer() const { return &d->server; }
Noatun::StereoEffectStack *Engine::effectStack() const { return &d->effectsStack; }
Noatun::StereoEffectStack *Engine::visualizationStack() const { return &d->visStack; }
Noatun::StereoEffectStack *Engine::globalEffectStack() const { return &d->globalEffectStack; }
Noatun::Equalizer *Engine::equalizer() const { return &d->equalizer; }
Noatun::Session *Engine::session() const { return &d->session; }
Engine::Engine(TQObject *parent) : TQObject(parent, "Engine"), mPlay(false)
{
d=new EnginePrivate;
// Connect to aRts
if (!initArts())
{
KMessageBox::error(0, i18n("There was an error communicating to the aRts daemon."), i18n("aRts error"));
exit(0);
}
}
Engine::~Engine()
{
stop();
delete d->volumeControl;
d->server=Arts::SoundServerV2::null();
delete d;
}
void Engine::setInitialized()
{
mPlay=true;
}
bool Engine::initialized() const
{
return mPlay;
}
bool Engine::open(const PlaylistItem &file)
{
if(!initArts())
return false;
d->playobj = 0;
KDE::PlayObjectFactory factory(d->server);
if (file.isProperty("stream_") && file.url().protocol() == "http")
{
deleteProxy();
d->pProxy = new TitleProxy::Proxy(KURL(file.property("stream_")));
d->playobj = factory.createPlayObject(d->pProxy->proxyUrl(), false);
connect(d->playobj, TQT_SIGNAL(destroyed()), this, TQT_SLOT(deleteProxy()));
connect(
d->pProxy, TQT_SIGNAL(
metaData(
const TQString &, const TQString &,
const TQString &, const TQString &,
const TQString &, const TQString &)),
this, TQT_SIGNAL(
receivedStreamMeta(const TQString &, const TQString &,
const TQString &, const TQString &,
const TQString &, const TQString &))
);
connect(d->pProxy, TQT_SIGNAL(proxyError()), this, TQT_SLOT(slotProxyError()));
}
else
{
d->playobj = factory.createPlayObject(file.url(), false);
}
if (!d->playobj || d->playobj->isNull())
{
kdDebug(66666) << k_funcinfo <<
"No playobject for '" << file.url().prettyURL() << "'" << endl;
delete d->playobj;
d->playobj=0;
emit playingFailed();
return false;
}
if ( !d->playobj->object().isNull() )
{
connectPlayObject();
}
else
{
connect( d->playobj, TQT_SIGNAL( playObjectCreated() ), this, TQT_SLOT( connectPlayObject() ) );
}
if (mPlay)
d->playobj->play();
return true;
}
void Engine::slotProxyError()
{
kdDebug(66666) << k_funcinfo << endl;
emit playingFailed();
deleteProxy();
}
void Engine::deleteProxy()
{
delete d->pProxy;
d->pProxy = 0;
}
void Engine::connectPlayObject()
{
if (d->playobj->object().isNull())
{
emit playingFailed();
return;
}
d->playobj->object()._node()->start();
// TODO: check for existence of left & right streams
Arts::connect(d->playobj->object(),"left",d->globalEffectStack,"inleft");
Arts::connect(d->playobj->object(),"right",d->globalEffectStack,"inright");
emit aboutToPlay();
}
bool Engine::play()
{
if (!mPlay) return true;
if(!d->playobj)
return false;
d->playobj->play();
return true;
}
void Engine::pause()
{
d->playobj->pause();
}
void Engine::stop()
{
if(!d->playobj) return;
d->playobj->halt();
delete d->playobj;
d->playobj=0;
}
void Engine::seek(int msec) // pass time in msecs
{
if(!d->playobj) return;
Arts::poTime t;
t.custom = 0.0;
t.ms = (long) msec % 1000;
t.seconds = (long) (msec - t.ms) / 1000;
if(d->playobj)
d->playobj->seek(t);
}
int Engine::position()
{
if(!d->playobj) return -1;
Arts::poTime time(d->playobj->currentTime());
return (int)(time.ms + (time.seconds*1000)); // return position in milliseconds
}
int Engine::length()
{
if(!d->playobj) return -1;
if (!(d->playobj->capabilities() & Arts::capSeek))
return -1;
Arts::poTime time(d->playobj->overallTime());
return (int)(time.ms + (time.seconds*1000)); // return track-length in milliseconds
}
int Engine::state()
{
if(d->playobj)
return d->playobj->state();
else
return Arts::posIdle;
}
void Engine::setVolume(int percent)
{
if (percent>100)
percent=100;
if (percent<0)
percent=0;
d->volumeControl->setVolume(percent);
}
int Engine::volume() const
{
return d->volumeControl->volume();
}
void Engine::useHardwareMixer(bool)
{
delete d->volumeControl;
d->volumeControl=VolumeControls::volumeControl(this);
}
bool Engine::initArts()
{
if ( d->server.isNull() || d->server.error() )
{
d->server = Arts::Reference("global:Arts_SoundServerV2");
int volume = d->volumeControl ? d->volumeControl->volume() : -1;
delete d->volumeControl;
d->volumeControl=0;
if( d->server.isNull() || d->server.error() )
{
// aRts seems not to be running, let's try to run it
// First, let's read the configuration as in kcmarts
TDEConfig config("kcmartsrc");
TQCString cmdline;
config.setGroup("Arts");
bool rt = config.readBoolEntry("StartRealtime",false);
bool x11Comm = config.readBoolEntry("X11GlobalComm",false);
// put the value of x11Comm into .mcoprc
{
TDEConfig X11CommConfig(TQDir::homeDirPath()+"/.mcoprc");
if(x11Comm)
X11CommConfig.writeEntry("GlobalComm", "Arts::X11GlobalComm");
else
X11CommConfig.writeEntry("GlobalComm", "Arts::TmpGlobalComm");
X11CommConfig.sync();
}
cmdline = TQFile::encodeName(TDEStandardDirs::findExe(TQString::fromLatin1("tdeinit_wrapper")));
cmdline += " ";
if (rt)
cmdline += TQFile::encodeName(TDEStandardDirs::findExe(
TQString::fromLatin1("artswrapper")));
else
cmdline += TQFile::encodeName(TDEStandardDirs::findExe(
TQString::fromLatin1("artsd")));
cmdline += " ";
cmdline += config.readEntry("Arguments","-F 10 -S 4096 -s 60 -m artsmessage -l 3 -f").utf8();
int status=::system(cmdline);
if ( status!=-1 && WIFEXITED(status) )
{
// We could have a race-condition here.
// The correct way to do it is to make artsd fork-and-exit
// after starting to listen to connections (and running artsd
// directly instead of using tdeinit), but this is better
// than nothing.
int time = 0;
do
{
// every time it fails, we should wait a little longer
// between tries
::sleep(1+time/2);
d->server = Arts::Reference("global:Arts_SoundServerV2");
} while(++time < 5 && (d->server.isNull()));
}
}
if ( !d->server.isNull() )
{
d->amanPlay = Arts::DynamicCast(
d->server.createObject("Arts::Synth_AMAN_PLAY")
);
if (d->amanPlay.isNull())
goto crapOut;
d->session = Arts::DynamicCast(
d->server.createObject("Noatun::Session"));
if (d->session.isNull())
{
kdWarning() << "Couldn't instanciate artsobject Noatun::Session. "
<< "(This is normally caused by a broken package or "
<< "compiling tdemultimedia in a --prefix different "
<< "from arts. It may also be from two conflicting "
<< "packages, so uninstall every arts/artsd package "
<< "you have installed and try again." << endl;
goto crapOut;
}
d->amanPlay.title("noatun");
d->amanPlay.autoRestoreID("noatun");
d->amanPlay.start();
d->globalEffectStack=Arts::DynamicCast(
d->server.createObject("Noatun::StereoEffectStack"));;
d->globalEffectStack.start();
Arts::connect(d->globalEffectStack,d->amanPlay);
d->effectsStack=Arts::DynamicCast(
d->server.createObject("Noatun::StereoEffectStack"));
d->effectsStack.start();
d->globalEffectStack.insertBottom(d->effectsStack, "Effects Stack");
d->equalizer=Arts::DynamicCast(d->server.createObject("Noatun::Equalizer"));
d->equalizer.start();
d->globalEffectStack.insertBottom(d->equalizer, "Equalizer");
if (napp->equalizer())
{
napp->equalizer()->update(true);
napp->equalizer()->setPreamp(napp->equalizer()->preamp());
napp->equalizer()->setEnabled(napp->equalizer()->isEnabled());
}
d->visStack=Arts::DynamicCast(
d->server.createObject("Noatun::StereoEffectStack"));
d->visStack.start();
d->globalEffectStack.insertBottom(d->visStack, "Visualization Stack");
d->volumeControl=VolumeControls::volumeControl(this);
if (volume != -1)
d->volumeControl->setVolume(volume);
}
else
{
crapOut:
KMessageBox::error( 0, i18n("Connecting/starting aRts soundserver failed. Make sure that artsd is configured properly."));
exit(1);
}
}
d->playobj=0;
emit artsError();
return true;
}
#include "engine.moc"