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musicplayer.cpp
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musicplayer.cpp
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// ANSI C includes
#include <cstdlib>
// qt
#include <QApplication>
#include <QWidget>
#include <QFile>
#include <QList>
// mythtv
#include <mythcontext.h>
#include <audiooutput.h>
#include <mythdb.h>
// mythmusic
#include "musicplayer.h"
#include "decoder.h"
#include "decoderhandler.h"
#include "cddecoder.h"
#include "constants.h"
#include "mainvisual.h"
#include "miniplayer.h"
#include "playlistcontainer.h"
// how long to wait before updating the lastplay and playcount fields
#define LASTPLAY_DELAY 15
MusicPlayer *gPlayer = NULL;
////////////////////////////////////////////////////////////////
QEvent::Type MusicPlayerEvent::TrackChangeEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::VolumeChangeEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::TrackAddedEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::TrackRemovedEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::AllTracksRemovedEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::MetadataChangedEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::TrackStatsChangedEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::AlbumArtChangedEvent = (QEvent::Type) QEvent::registerEventType();
QEvent::Type MusicPlayerEvent::CDChangedEvent = (QEvent::Type) QEvent::registerEventType();
MusicPlayer::MusicPlayer(QObject *parent, const QString &dev)
:QObject(parent)
{
setObjectName("MusicPlayer");
m_CDdevice = dev;
m_output = NULL;
m_decoderHandler = NULL;
m_playlistTree = NULL;
m_currentNode = NULL;
m_currentMetadata = NULL;
m_isAutoplay = false;
m_isPlaying = false;
m_canShowPlayer = true;
m_wasPlaying = true;
m_updatedLastplay = false;
m_playSpeed = 1.0;
QString playmode = gCoreContext->GetSetting("PlayMode", "none");
if (playmode.toLower() == "random")
setShuffleMode(SHUFFLE_RANDOM);
else if (playmode.toLower() == "intelligent")
setShuffleMode(SHUFFLE_INTELLIGENT);
else if (playmode.toLower() == "album")
setShuffleMode(SHUFFLE_ALBUM);
else if (playmode.toLower() == "artist")
setShuffleMode(SHUFFLE_ARTIST);
else
setShuffleMode(SHUFFLE_OFF);
QString repeatmode = gCoreContext->GetSetting("RepeatMode", "all");
if (repeatmode.toLower() == "track")
setRepeatMode(REPEAT_TRACK);
else if (repeatmode.toLower() == "all")
setRepeatMode(REPEAT_ALL);
else
setRepeatMode(REPEAT_OFF);
QString resumestring = gCoreContext->GetSetting("ResumeMode", "off");
if (resumestring.toLower() == "off")
m_resumeMode = RESUME_OFF;
else if (resumestring.toLower() == "track")
m_resumeMode = RESUME_TRACK;
else
m_resumeMode = RESUME_EXACT;
m_lastplayDelay = gCoreContext->GetNumSetting("MusicLastPlayDelay",
LASTPLAY_DELAY);
m_autoShowPlayer = (gCoreContext->GetNumSetting("MusicAutoShowPlayer", 1) > 0);
gCoreContext->addListener(this);
}
MusicPlayer::~MusicPlayer()
{
if (!hasClient())
savePosition();
gCoreContext->removeListener(this);
stop(true);
if (m_playlistTree)
delete m_playlistTree;
if (m_decoderHandler)
{
m_decoderHandler->removeListener(this);
m_decoderHandler->deleteLater();
m_decoderHandler = NULL;
}
if (m_shuffleMode == SHUFFLE_INTELLIGENT)
gCoreContext->SaveSetting("PlayMode", "intelligent");
else if (m_shuffleMode == SHUFFLE_RANDOM)
gCoreContext->SaveSetting("PlayMode", "random");
else if (m_shuffleMode == SHUFFLE_ALBUM)
gCoreContext->SaveSetting("PlayMode", "album");
else if (m_shuffleMode == SHUFFLE_ARTIST)
gCoreContext->SaveSetting("PlayMode", "artist");
else
gCoreContext->SaveSetting("PlayMode", "none");
if (m_repeatMode == REPEAT_TRACK)
gCoreContext->SaveSetting("RepeatMode", "track");
else if (m_repeatMode == REPEAT_ALL)
gCoreContext->SaveSetting("RepeatMode", "all");
else
gCoreContext->SaveSetting("RepeatMode", "none");
gCoreContext->SaveSetting("MusicAutoShowPlayer",
(m_autoShowPlayer ? "1" : "0"));
}
void MusicPlayer::addListener(QObject *listener)
{
if (listener && m_output)
m_output->addListener(listener);
if (listener && getDecoder())
getDecoder()->addListener(listener);
if (listener && m_decoderHandler)
m_decoderHandler->addListener(listener);
MythObservable::addListener(listener);
m_isAutoplay = !hasListeners();
}
void MusicPlayer::removeListener(QObject *listener)
{
if (listener && m_output)
m_output->removeListener(listener);
if (listener && getDecoder())
getDecoder()->removeListener(listener);
if (listener && m_decoderHandler)
m_decoderHandler->removeListener(listener);
MythObservable::removeListener(listener);
m_isAutoplay = !hasListeners();
}
void MusicPlayer::addVisual(MainVisual *visual)
{
if (visual)
{
if (m_output)
{
m_output->addListener(visual);
m_output->addVisual(visual);
}
m_visualisers.insert(visual);
}
}
void MusicPlayer::removeVisual(MainVisual *visual)
{
if (visual)
{
if (m_output)
{
m_output->removeListener(visual);
m_output->removeVisual(visual);
}
m_visualisers.remove(visual);
}
}
void MusicPlayer::playFile(const Metadata &meta)
{
m_currentMetadata = new Metadata(meta);
play();
m_currentNode = NULL;
}
void MusicPlayer::stop(bool stopAll)
{
stopDecoder();
if (m_output)
{
if (m_output->IsPaused())
pause();
m_output->Reset();
}
m_isPlaying = false;
if (stopAll && getDecoder())
{
getDecoder()->removeListener(this);
// remove any listeners from the decoder
{
QMutexLocker locker(m_lock);
QSet<QObject*>::const_iterator it = m_listeners.begin();
for (; it != m_listeners.end() ; ++it)
{
getDecoder()->removeListener(*it);
}
}
}
if (stopAll && m_output)
{
m_output->removeListener(this);
delete m_output;
m_output = NULL;
}
// because we don't actually stop the audio output we have to fake a Stopped
// event so any listeners can act on it
OutputEvent oe(OutputEvent::Stopped);
dispatch(oe);
}
void MusicPlayer::pause(void)
{
if (m_output)
{
m_isPlaying = !m_isPlaying;
m_output->Pause(!m_isPlaying);
}
// wake up threads
if (getDecoder())
{
getDecoder()->lock();
getDecoder()->cond()->wakeAll();
getDecoder()->unlock();
}
}
void MusicPlayer::play(void)
{
Metadata *meta = getCurrentMetadata();
if (!meta)
return;
stopDecoder();
if (!m_output)
openOutputDevice();
if (!getDecoderHandler())
setupDecoderHandler();
getDecoderHandler()->start(meta);
}
void MusicPlayer::stopDecoder(void)
{
if (m_currentMetadata)
{
if (m_currentMetadata->hasChanged())
{
m_currentMetadata->persist();
if (getDecoder())
getDecoder()->commitVolatileMetadata(m_currentMetadata);
}
}
if (getDecoderHandler())
getDecoderHandler()->stop();
m_currentMetadata = NULL;
}
void MusicPlayer::openOutputDevice(void)
{
QString adevice, pdevice;
if (gCoreContext->GetSetting("MusicAudioDevice") == "default")
adevice = gCoreContext->GetSetting("AudioOutputDevice");
else
adevice = gCoreContext->GetSetting("MusicAudioDevice");
pdevice = gCoreContext->GetNumSetting("PassThruDeviceOverride", false) ?
gCoreContext->GetSetting("PassThruOutputDevice") : "auto";
// TODO: Error checking that device is opened correctly!
m_output = AudioOutput::OpenAudio(
adevice, pdevice, FORMAT_S16, 2, 0, 44100,
AUDIOOUTPUT_MUSIC, true, false,
gCoreContext->GetNumSetting("MusicDefaultUpmix", 0) + 1);
m_output->setBufferSize(256 * 1024);
m_output->addListener(this);
// add any visuals to the audio output
QSet<QObject*>::const_iterator it = m_visualisers.begin();
for (; it != m_visualisers.end() ; ++it)
{
m_output->addVisual((MythTV::Visual*)(*it));
}
// add any listeners to the audio output
QMutexLocker locker(m_lock);
it = m_listeners.begin();
for (; it != m_listeners.end() ; ++it)
{
m_output->addListener(*it);
}
}
void MusicPlayer::next(void)
{
if (!m_currentNode)
return;
GenericTree *node =
m_currentNode->nextSibling(1, ((int) m_shuffleMode) + 1);
if (node)
m_currentNode = node;
else
{
if (m_repeatMode == REPEAT_ALL)
{
// start playing again from first track
GenericTree *parent = m_currentNode->getParent();
if (parent)
{
node = parent->getChildAt(0, ((int) m_shuffleMode) + 1);
if (node)
m_currentNode = node;
else
return; // stop()
}
else
return; // stop()
}
else
return; // stop()
}
m_currentMetadata = gMusicData->all_music->getMetadata(node->getInt());
if (m_currentMetadata)
play();
else
stop();
}
void MusicPlayer::previous(void)
{
if (!m_currentNode)
return;
GenericTree *node
= m_currentNode->prevSibling(1, ((int) m_shuffleMode) + 1);
if (node)
{
m_currentNode = node;
m_currentMetadata = gMusicData->all_music->getMetadata(node->getInt());
if (m_currentMetadata)
play();
else
return;//stop();
}
else
{
// FIXME take repeat mode into account
return; //stop();
}
}
void MusicPlayer::nextAuto(void)
{
if (!m_isAutoplay)
return;
if (!m_currentNode)
return;
if (m_repeatMode == REPEAT_TRACK)
{
play();
return;
}
else
{
if (!m_decoderHandler->next())
next();
}
if (m_canShowPlayer && m_autoShowPlayer)
{
MythScreenStack *popupStack =
GetMythMainWindow()->GetStack("popup stack");
MiniPlayer *miniplayer = new MiniPlayer(popupStack);
if (miniplayer->Create())
popupStack->AddScreen(miniplayer);
else
delete miniplayer;
}
}
void MusicPlayer::customEvent(QEvent *event)
{
if (event->type() == DecoderHandlerEvent::Ready)
{
decoderHandlerReady();
}
else if (event->type() == DecoderEvent::Decoding)
{
if (getCurrentMetadata())
m_displayMetadata = *getCurrentMetadata();
}
else if (event->type() == DecoderHandlerEvent::Info)
{
DecoderHandlerEvent *dxe = (DecoderHandlerEvent*)event;
if (getCurrentMetadata())
m_displayMetadata = *getCurrentMetadata();
m_displayMetadata.setArtist("");
m_displayMetadata.setTitle(*dxe->getMessage());
}
else if (event->type() == DecoderHandlerEvent::Meta)
{
DecoderHandlerEvent *dxe = (DecoderHandlerEvent*)event;
m_displayMetadata = *dxe->getMetadata();
}
else if (event->type() == MythEvent::MythEventMessage)
{
MythEvent *me = (MythEvent*) event;
if (me->Message().left(14) == "PLAYBACK_START")
{
m_wasPlaying = m_isPlaying;
QString hostname = me->Message().mid(15);
if (hostname == gCoreContext->GetHostName())
{
if (m_isPlaying)
savePosition();
stop(true);
}
}
else if (me->Message().left(12) == "PLAYBACK_END")
{
if (m_wasPlaying)
{
QString hostname = me->Message().mid(13);
if (hostname == gCoreContext->GetHostName())
{
play();
seek(gCoreContext->GetNumSetting(
"MusicBookmarkPosition", 0));
gCoreContext->SaveSetting("MusicBookmark", "");
gCoreContext->SaveSetting("MusicBookmarkPosition", 0);
}
m_wasPlaying = false;
}
}
else if (me->Message().left(13) == "MUSIC_COMMAND")
{
QStringList list = me->Message().simplified().split(' ');
if (list.size() >= 3 && list[1] == gCoreContext->GetHostName())
{
if (list[2] == "PLAY")
play();
else if (list[2] == "STOP")
stop();
else if (list[2] == "PAUSE")
pause();
else if (list[2] == "SET_VOLUME")
{
if (list.size() >= 3)
{
int volume = list[3].toInt();
if (volume >= 0 && volume <= 100)
setVolume(volume);
}
}
else if (list[2] == "GET_VOLUME")
{
QString message = QString("MUSIC_CONTROL ANSWER %1 %2")
.arg(gCoreContext->GetHostName()).arg(getVolume());
MythEvent me(message);
gCoreContext->dispatch(me);
}
else if (list[2] == "PLAY_FILE")
{
int start = me->Message().indexOf("'");
int end = me->Message().lastIndexOf("'");
if (start != -1 && end != -1 && start != end)
{
QString filename = me->Message().mid(start + 1, end - start - 1);
Metadata mdata;
mdata.setFilename(filename);
playFile(mdata);
}
else
VERBOSE(VB_IMPORTANT, QString("MusicPlayer: got invalid MUSIC_COMMAND PLAY_FILE - %1").arg(me->Message()));
}
else if (list[2] == "PLAY_URL")
{
if (list.size() == 4)
{
QString filename = list[3];
Metadata mdata;
mdata.setFilename(filename);
playFile(mdata);
}
else
VERBOSE(VB_IMPORTANT, QString("MusicPlayer: got invalid MUSIC_COMMAND PLAY_URL - %1").arg(me->Message()));
}
else if (list[2] == "PLAY_TRACK")
{
if (list.size() == 4)
{
int trackID = list[3].toInt();
Metadata *mdata = gMusicData->all_music->getMetadata(trackID);
if (mdata)
playFile(*mdata);
}
else
VERBOSE(VB_IMPORTANT, QString("MusicPlayer: got invalid MUSIC_COMMAND PLAY_TRACK - %1").arg(me->Message()));
}
else if (list[2] == "GET_METADATA")
{
QString mdataStr;
Metadata *mdata = getCurrentMetadata();
if (mdata)
mdataStr = QString("%1 by %2 from %3").arg(mdata->Title()).arg(mdata->Artist()).arg(mdata->Album());
else
mdataStr = "Unknown Track2";
QString message = QString("MUSIC_CONTROL ANSWER %1 %2")
.arg(gCoreContext->GetHostName()).arg(mdataStr);
MythEvent me(message);
gCoreContext->dispatch(me);
}
}
else
VERBOSE(VB_IMPORTANT, QString("MusicPlayer: got unknown/invalid MUSIC_COMMAND - %1").arg(me->Message()));
}
}
if (m_isAutoplay)
{
if (event->type() == OutputEvent::Error)
{
OutputEvent *aoe = (OutputEvent *) event;
VERBOSE(VB_IMPORTANT, QString("Output Error - %1")
.arg(*aoe->errorMessage()));
MythPopupBox::showOkPopup(
GetMythMainWindow(),
"Output Error:",
QString("MythMusic has encountered"
" the following error:\n%1")
.arg(*aoe->errorMessage()));
stop(true);
}
else if (event->type() == DecoderEvent::Finished)
{
nextAuto();
}
else if (event->type() == DecoderEvent::Error)
{
stop(true);
QApplication::sendPostedEvents();
DecoderEvent *dxe = (DecoderEvent *) event;
VERBOSE(VB_IMPORTANT, QString("Decoder Error - %1")
.arg(*dxe->errorMessage()));
MythPopupBox::showOkPopup(
GetMythMainWindow(), "Decoder Error",
QString("MythMusic has encountered the following error:\n%1")
.arg(*dxe->errorMessage()));
}
}
if (event->type() == OutputEvent::Info)
{
OutputEvent *oe = (OutputEvent *) event;
m_currentTime = oe->elapsedSeconds();
if (!m_updatedLastplay)
{
// we update the lastplay and playcount after playing
// for m_lastplayDelay seconds or half the total track time
if ((m_currentMetadata && m_currentTime >
(m_currentMetadata->Length() / 1000) / 2) ||
m_currentTime >= m_lastplayDelay)
{
updateLastplay();
}
}
}
QObject::customEvent(event);
}
QString MusicPlayer::getFilenameFromID(int id)
{
QString filename;
if (id > 0)
{
QString aquery = "SELECT CONCAT_WS('/', "
"music_directories.path, music_songs.filename) AS filename "
"FROM music_songs "
"LEFT JOIN music_directories"
" ON music_songs.directory_id=music_directories.directory_id "
"WHERE music_songs.song_id = :ID";
MSqlQuery query(MSqlQuery::InitCon());
query.prepare(aquery);
query.bindValue(":ID", id);
if (!query.exec() || query.size() < 1)
MythDB::DBError("get filename", query);
if (query.isActive() && query.size() > 0)
{
query.first();
filename = query.value(0).toString();
if (!filename.contains("://"))
filename = Metadata::GetStartdir() + filename;
}
}
else
{
// cd track
CdDecoder *cddecoder = dynamic_cast<CdDecoder*>(getDecoder());
if (cddecoder)
{
Metadata *meta = cddecoder->getMetadata(-id);
if (meta)
filename = meta->Filename();
}
}
return filename;
}
void MusicPlayer::loadPlaylist(void)
{
// wait for loading to complete
while (!gMusicData->all_playlists->doneLoading() || !gMusicData->all_music->doneLoading())
{
usleep(500);
}
m_currentPlaylist = gMusicData->all_playlists->getActive();
setCurrentTrackPos(0);
}
void MusicPlayer::setCurrentNode(GenericTree *node)
{
m_currentNode = node;
refreshMetadata();
}
GenericTree *MusicPlayer::constructPlaylist(void)
{
QString position;
if (m_playlistTree)
{
position = getRouteToCurrent();
delete m_playlistTree;
}
m_playlistTree = new GenericTree(tr("playlist root"), 0);
m_playlistTree->setAttribute(0, 0);
m_playlistTree->setAttribute(1, 0);
m_playlistTree->setAttribute(2, 0);
m_playlistTree->setAttribute(3, 0);
m_playlistTree->setAttribute(4, 0);
GenericTree *active_playlist_node =
gMusicData->all_playlists->writeTree(m_playlistTree);
if (!position.isEmpty()) //|| m_currentNode == NULL)
restorePosition(position);
m_currentPlaylist = gMusicData->all_playlists->getActive();
return active_playlist_node;
}
QString MusicPlayer::getRouteToCurrent(void)
{
QStringList route;
if (m_currentNode)
{
GenericTree *climber = m_currentNode;
route.push_front(QString::number(climber->getInt()));
while((climber = climber->getParent()))
{
route.push_front(QString::number(climber->getInt()));
}
}
return route.join(",");
}
void MusicPlayer::setCurrentTrackPos(int pos)
{
if (pos < 0 || pos >= m_currentPlaylist->getSongs().size())
return;
m_currentTrack = pos;
m_currentMetadata = gMusicData->all_music->getMetadata(m_currentPlaylist->getSongAt(m_currentTrack)->getValue());
play();
}
void MusicPlayer::savePosition(void)
{
if (m_resumeMode != RESUME_OFF)
{
gCoreContext->SaveSetting("MusicBookmark", getRouteToCurrent());
if (m_resumeMode == RESUME_EXACT)
gCoreContext->SaveSetting("MusicBookmarkPosition", m_currentTime);
}
}
#if 0
void MusicPlayer::savePosition(void)
{
if (m_resumeMode != RESUME_OFF)
{
gContext->SaveSetting("MusicBookmark", m_currentTrack);
if (m_resumeMode == RESUME_EXACT)
gContext->SaveSetting("MusicBookmarkPosition", m_currentTime);
}
}
#endif
void MusicPlayer::restorePosition(const QString &position)
{
QList<int> branches_to_current_node;
if (!position.isEmpty())
{
QStringList list = position.split(",", QString::SkipEmptyParts);
for (QStringList::Iterator it = list.begin(); it != list.end(); ++it)
branches_to_current_node.append((*it).toInt());
//try to restore the position
m_currentNode = m_playlistTree->findNode(branches_to_current_node);
if (m_currentNode)
return;
}
// failed to find the position so go to the first track in the playlist
branches_to_current_node.clear();
branches_to_current_node.append(0);
branches_to_current_node.append(1);
branches_to_current_node.append(0);
m_currentNode = m_playlistTree->findNode(branches_to_current_node);
if (m_currentNode)
{
m_currentNode = m_currentNode->getChildAt(0, -1);
if (m_currentNode)
{
m_currentMetadata = gMusicData->all_music->getMetadata(m_currentNode->getInt());
play();
}
}
}
void MusicPlayer::restorePosition(int position)
{
if (position < 0 || position >= m_currentPlaylist->getSongs().size())
{
// cannot find the track so move to first track
m_currentTrack = 0;
}
else
{
m_currentTrack = position;
}
Track *track = m_currentPlaylist->getSongAt(m_currentTrack);
if (track)
m_currentMetadata = gMusicData->all_music->getMetadata(track->getValue());
play();
}
void MusicPlayer::seek(int pos)
{
if (m_output)
{
if (getDecoder() && getDecoder()->isRunning())
getDecoder()->seek(pos);
m_output->SetTimecode(pos*1000);
}
}
void MusicPlayer::showMiniPlayer(void)
{
if (m_canShowPlayer)
{
MythScreenStack *popupStack =
GetMythMainWindow()->GetStack("popup stack");
MiniPlayer *miniplayer = new MiniPlayer(popupStack);
if (miniplayer->Create())
popupStack->AddScreen(miniplayer);
else
delete miniplayer;
}
}
Metadata *MusicPlayer::getCurrentMetadata(void)
{
if (m_currentMetadata)
return m_currentMetadata;
if (!m_currentNode)
return NULL;
m_currentMetadata = gMusicData->all_music->getMetadata(m_currentNode->getInt());
return m_currentMetadata;
}
void MusicPlayer::refreshMetadata(void)
{
if (m_currentMetadata)
m_currentMetadata = NULL;
getCurrentMetadata();
}
MusicPlayer::RepeatMode MusicPlayer::toggleRepeatMode(void)
{
switch (m_repeatMode)
{
case REPEAT_OFF:
m_repeatMode = REPEAT_TRACK;
break;
case REPEAT_TRACK:
m_repeatMode = REPEAT_ALL;
break;
case REPEAT_ALL:
m_repeatMode = REPEAT_OFF;
break;
default:
m_repeatMode = REPEAT_OFF;
break;
}
return m_repeatMode;
}
MusicPlayer::ShuffleMode MusicPlayer::toggleShuffleMode(void)
{
switch (m_shuffleMode)
{
case SHUFFLE_OFF:
m_shuffleMode = SHUFFLE_RANDOM;
break;
case SHUFFLE_RANDOM:
m_shuffleMode = SHUFFLE_INTELLIGENT;
break;
case SHUFFLE_INTELLIGENT:
m_shuffleMode = SHUFFLE_ALBUM;
break;
case SHUFFLE_ALBUM:
m_shuffleMode = SHUFFLE_ARTIST;
break;
case SHUFFLE_ARTIST:
m_shuffleMode = SHUFFLE_OFF;
break;
default:
m_shuffleMode = SHUFFLE_OFF;
break;
}
return m_shuffleMode;
}
void MusicPlayer::updateLastplay()
{
if (m_currentMetadata)
{
m_currentMetadata->incPlayCount();
m_currentMetadata->setLastPlay();
sendTrackStatsChangedEvent(m_currentMetadata->ID());
}
m_updatedLastplay = true;
}
void MusicPlayer::setSpeed(float newspeed)
{
if (m_output)
{
m_playSpeed = newspeed;
m_output->SetStretchFactor(m_playSpeed);
}
}
void MusicPlayer::incSpeed()
{
m_playSpeed += 0.05;
setSpeed(m_playSpeed);
}
void MusicPlayer::decSpeed()
{
m_playSpeed -= 0.05;
setSpeed(m_playSpeed);
}
void MusicPlayer::sendVolumeChangedEvent(void)
{
MusicPlayerEvent me(MusicPlayerEvent::VolumeChangeEvent, getVolume(), isMuted());
dispatch(me);
}
void MusicPlayer::sendMetadataChangedEvent(int trackID)
{
MusicPlayerEvent me(MusicPlayerEvent::MetadataChangedEvent, trackID);
dispatch(me);
}
void MusicPlayer::sendTrackStatsChangedEvent(int trackID)
{
MusicPlayerEvent me(MusicPlayerEvent::TrackStatsChangedEvent, trackID);
dispatch(me);
}
void MusicPlayer::sendAlbumArtChangedEvent(int trackID)
{
MusicPlayerEvent me(MusicPlayerEvent::AlbumArtChangedEvent, trackID);
dispatch(me);
}
void MusicPlayer::sendCDChangedEvent(void)
{
MusicPlayerEvent me(MusicPlayerEvent::CDChangedEvent, -1);
dispatch(me);
}
void MusicPlayer::incVolume()
{
if (getOutput())
{
getOutput()->AdjustCurrentVolume(2);
sendVolumeChangedEvent();
}
}
void MusicPlayer::decVolume()
{
if (getOutput())
{
getOutput()->AdjustCurrentVolume(-2);
sendVolumeChangedEvent();
}
}