protected function isPercussionChannel(Song $song, $channelId)
{
$channels = $song->getChannels();
foreach ($channels as $channel) {
if ($channel->getChannelId() == $channelId) {
return $channel->isPercussionChannel();
}
}
return false;
}
public function __construct(Song $song)
{
parent::__construct();
# Build sequence
$channelRouter = new ChannelRouter();
$channelRouterConfigurator = new ChannelRouterConfigurator($channelRouter);
$channelRouterConfigurator->configureRouter($song->getChannels());
$settings = (new MidiSettings())->getdefaults();
$midiSequenceParser = new MidiSequenceParser($song, self::ADD_FIRST_TICK_MOVE | self::ADD_DEFAULT_CONTROLS | self::ADD_MIXER_MESSAGES);
$midiSequenceParser->setTranspose($settings->getTranspose());
$midiSequenceParser->parse(new MidiSequenceHandler($song->countTracks() + 1, $channelRouter, $this));
}
/**
* Reads meta informations about tablature
*
* @param Song $song
*/
public function readInformations(Song $song)
{
$song->setName($this->reader->readStringByteSizeOfInteger());
$this->reader->readStringByteSizeOfInteger();
$song->setArtist($this->reader->readStringByteSizeOfInteger());
$song->setAlbum($this->reader->readStringByteSizeOfInteger());
$song->setAuthor($this->reader->readStringByteSizeOfInteger());
$song->setCopyright($this->reader->readStringByteSizeOfInteger());
$song->setWriter($this->reader->readStringByteSizeOfInteger());
$song->setDate($this->reader->readStringByteSizeOfInteger());
$comments = $this->reader->readInt();
for ($i = 0; $i < $comments; $i++) {
$song->setComments($song->getComments() . $this->reader->readStringByteSizeOfInteger());
}
}
public function __construct(Song $song, $sHeader, $eHeader)
{
$this->song = $song;
$this->sHeader = $sHeader;
$this->eHeader = $eHeader;
$this->count = $song->countMeasureHeaders();
$this->index = 0;
$this->lastIndex = -1;
$this->shouldPlay = true;
$this->repeatOpen = true;
$this->repeatAlternative = 0;
$this->repeatStart = Duration::QUARTER_TIME;
$this->repeatEnd = 0;
$this->repeatMove = 0;
$this->repeatStartIndex = 0;
$this->repeatNumber = 0;
}
/**
* Loops on mesures to read
*
* @param Song $song
* @param integer $measures
* @param integer $tracks
* @param integer $tempoValue
*/
public function readMeasures(Song $song, $measures, $tracks, $tempoValue)
{
$tempo = new Tempo();
$tempo->setValue($tempoValue);
$start = Duration::QUARTER_TIME;
for ($i = 0; $i < $measures; $i++) {
$header = $song->getMeasureHeader($i);
$header->setStart($start);
for ($j = 0; $j < $tracks; $j++) {
$track = $song->getTrack($j);
$measure = new Measure($header);
$track->addMeasure($measure);
$this->reader->factory('GuitarPro3Measure')->readMeasure($measure, $track, $tempo);
}
$header->getTempo()->copyFrom($tempo);
$start += $header->getLength();
}
}
/**
* Parses repeat alternative
*
* @param Song $song
* @param integer $measure
*
* @return integer Number of repeat alternatives
*/
public function parseRepeatAlternative(Song $song, $measure)
{
$value = $this->reader->readUnsignedByte();
$repeatAlternative = 0;
$existentAlternatives = 0;
$headers = $song->getMeasureHeaders();
foreach ($headers as $header) {
if ($header->getNumber() == $measure) {
break;
}
if ($header->isRepeatOpen()) {
$existentAlternatives = 0;
}
$existentAlternatives |= $header->getRepeatAlternative();
}
for ($i = 0; $i < 8; $i++) {
if ($value > $i && ($existentAlternatives & 1 << $i) == 0) {
$repeatAlternative |= 1 << $i;
}
}
return $repeatAlternative;
}
/**
* Loops on mesure headers to read
*
* @param Song $song
* @param integer $count
*/
private function readMeasureHeaders(Song $song, $count)
{
$timeSignature = new TimeSignature();
for ($i = 0; $i < $count; $i++) {
$song->addMeasureHeader($this->factory('GuitarPro3MeasureHeader')->readMeasureHeader($i + 1, $song, $timeSignature));
}
}
private function writeTracks(Song $song)
{
for ($i = 0; $i < $song->countTracks(); $i++) {
$track = $song->getTrack($i);
$this->writeTrack($track);
}
}
public function addDefaultMessages(MidiSequenceHelper $sHelper, Song $song)
{
if (($this->flags & MidiWriter::ADD_DEFAULT_CONTROLS) != 0) {
$channels = $song->getChannels();
foreach ($channels as $channel) {
$channelId = $channel->getChannelId();
$sHelper->getSequence()->addControlChange($this->getTick(Duration::QUARTER_TIME), $this->getInfoTrack(), $channelId, MidiWriter::RPN_MSB, 0);
$sHelper->getSequence()->addControlChange($this->getTick(Duration::QUARTER_TIME), $this->getInfoTrack(), $channelId, MidiWriter::RPN_LSB, 0);
$sHelper->getSequence()->addControlChange($this->getTick(Duration::QUARTER_TIME), $this->getInfoTrack(), $channelId, MidiWriter::DATA_ENTRY_MSB, 12);
$sHelper->getSequence()->addControlChange($this->getTick(Duration::QUARTER_TIME), $this->getInfoTrack(), $channelId, MidiWriter::DATA_ENTRY_LSB, 0);
}
}
}
protected function configureChannelRouter(Song $song)
{
$this->channelRouter = new ChannelRouter();
$routerConfigurator = new ChannelRouterConfigurator($this->channelRouter);
$routerConfigurator->configureRouter($song->getChannels());
}
/**
* Loops on tracks to read
*
* @param Song $song
* @param int $count
* @param array $channels Current array of channels
*/
private function readTracks(Song $song, $count, array $channels)
{
for ($number = 1; $number <= $count; $number++) {
$song->addTrack($this->factory('GuitarPro3Track')->readTrack($song, $number, $channels));
}
}
/**
* Checks if a channel is still defined
*
* @param Song $song
* @param string $name
* @return boolean Result of the search
*/
protected function findChannelsByName(Song $song, $name)
{
$channels = $song->getChannels();
foreach ($channels as $v) {
if ($v->getName() == $name) {
return true;
}
}
return false;
}
