/**
* Reads Channel informations
*
* @param Song $song
* @param Track $track
* @param array $channels
*/
public function readChannel(Song $song, Track $track, $channels)
{
$gChannel1 = $this->reader->readInt() - 1;
$gChannel2 = $this->reader->readInt() - 1;
if ($gChannel1 >= 0 && $gChannel1 < count($channels)) {
$channel = new Channel();
$gChannel1Param = new ChannelParameter();
$gChannel2Param = new ChannelParameter();
$gChannel1Param->setKey("channel-1");
$gChannel1Param->setValue("{$gChannel1}");
$gChannel2Param->setKey("channel-2");
$gChannel2Param->setValue($gChannel1 != 9 ? "{$gChannel2}" : "{$gChannel1}");
$channel->copyFrom($channels[$gChannel1]);
for ($i = 0; $i < $song->countChannels(); $i++) {
$channelAux = $song->getChannel($i);
for ($n = 0; $n < $channelAux->countParameters(); $n++) {
$channelParameter = $channelAux->getParameter($n);
if ($channelParameter->getKey() == "{$gChannel1}") {
if ("{$gChannel1}" == $channelParameter->getValue()) {
$channel->setChannelId($channelAux->getChannelId());
}
}
}
}
if ($channel->getChannelId() <= 0) {
$channel->setChannelId($song->countChannels() + 1);
$channel->setName($this->createChannelNameFromProgram($song, $channel));
$channel->addParameter($gChannel1Param);
$channel->addParameter($gChannel2Param);
$song->addChannel($channel);
}
$track->setChannelId($channel->getChannelId());
}
}
private function makeChannel(MidiSequenceHelper $sHelper, Channel $channel, $track)
{
if (($this->flags & MidiWriter::ADD_MIXER_MESSAGES) != 0) {
$channelId = $channel->getChannelId();
$tick = $this->getTick(Duration::QUARTER_TIME);
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::VOLUME, $this->fix($channel->getVolume()));
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::BALANCE, $this->fix($channel->getBalance()));
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::CHORUS, $this->fix($channel->getChorus()));
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::REVERB, $this->fix($channel->getReverb()));
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::PHASER, $this->fix($channel->getPhaser()));
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::TREMOLO, $this->fix($channel->getTremolo()));
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::EXPRESSION, 127);
if (!$channel->isPercussionChannel()) {
$sHelper->getSequence()->addControlChange($tick, $track, $channelId, MidiWriter::BANK_SELECT, $this->fix($channel->getBank()));
}
$sHelper->getSequence()->addProgramChange($tick, $track, $channelId, $this->fix($channel->getProgram()));
}
}
private function checkChannels()
{
for ($tc = 0; $tc < count($this->tempChannels); $tc++) {
$tempChannel = $this->tempChannels[$tc];
if ($tempChannel->getTrack() > 0) {
$channelExists = false;
for ($c = 0; $c < count($this->channels); $c++) {
$channel = $this->channels[$c];
$channelRoute = $this->channelRouter->getRoute($channel->getChannelId());
if ($channelRoute !== null) {
if ($channelRoute->getChannel1() == $tempChannel->getChannel() || $channelRoute->getChannel2() == $tempChannel->getChannel()) {
$channelExists = true;
}
}
}
if (!$channelExists) {
$channel = new Channel();
$channel->setChannelId(count($this->channels) + 1);
$channel->setProgram($tempChannel->getInstrument());
$channel->setVolume($tempChannel->getVolume());
$channel->setBalance($tempChannel->getBalance());
$channel->setName('#' . $channel->getChannelId());
$channel->setBank($tempChannel->getChannel() == 9 ? Channel::DEFAULT_PERCUSSION_BANK : Channel::DEFAULT_BANK);
$channelRoute = new ChannelRoute($channel->getChannelId());
$channelRoute->setChannel1($tempChannel->getChannel());
$channelRoute->setChannel2($tempChannel->getChannel());
for ($tcAux = $tc + 1; $tcAux < count($this->tempChannels); $tcAux++) {
$tempChannelAux = $this->tempChannels[$tcAux];
if ($tempChannel->getTrack() == $tempChannelAux->getTrack()) {
if ($channelRoute->getChannel2() == $channelRoute->getChannel1()) {
$channelRoute->setChannel2($tempChannelAux->getChannel());
} else {
$tempChannelAux->setTrack(-1);
}
}
}
$this->channelRouter->configureRoutes($channelRoute, $tempChannel->getChannel() == 9);
$this->channels[] = $channel;
}
}
}
}
