+/*
+ * SomePlayer - An alternate music player for Maemo 5
+ * Copyright (C) 2010 Nikolay (somebody) Tischenko <niktischenko@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
#include "player.h"
#include <phonon/MediaSource>
+#include <phonon/Effect>
+#include <phonon/BackendCapabilities>
+#include <phonon/EffectParameter>
+#include "../config.h"
+#include <QTime>
+#include <QTimer>
using namespace SomePlayer::Playback;
using namespace SomePlayer::DataObjects;
+using namespace SomePlayer::Storage;
+
+int Randomizer::next() {
+ int res = 0;
+ if (_rand.count() == 0) {
+ _shuffle();
+ res = next();
+ } else {
+ res = _rand.takeFirst();
+ }
+ return res;
+}
+
+void Randomizer::setPlaylist(QList<int> pl) {
+ _playlist = pl;
+ _shuffle();
+ _last = -1;
+}
+
+void Randomizer::_shuffle() {
+ _rand.clear();
+ // Fisher-Yates algorithm:
+ _rand = _playlist;
+ int cnt = _playlist.count();
+ int j = 0;
+ int tmp = 0;
+ for (int i = cnt-1; i > 0; i--) {
+ j = qrand() % (i+1);
+ tmp = _rand[i];
+ _rand[i] = _rand[j];
+ _rand[j] = tmp;
+ }
+ if (cnt > 1 && _last == _rand[0]) {
+ _rand.removeAt(0);
+ _rand.insert(qrand() % (cnt-1) + 1, _last);
+ }
+ if (!_rand.isEmpty())
+ _last = _rand.last();
+ else _last = -1;
+}
+
+void Randomizer::removeId(int id) {
+ _rand.removeOne(id);
+}
Player::Player(QObject *parent) :
QObject(parent)
_player = new Phonon::MediaObject(this);
_output = new Phonon::AudioOutput(Phonon::MusicCategory, this);
_player->setTickInterval(1000);
+ _equalizer = NULL;
+ _equalizer_enabled = false;
connect(_player, SIGNAL(stateChanged(Phonon::State,Phonon::State)), this, SLOT(_stateChanged(Phonon::State,Phonon::State)));
connect(_player, SIGNAL(tick(qint64)), this, SLOT(_tick(qint64)));
- Phonon::createPath(_player, _output);
- int seed = reinterpret_cast<int> (_player);
- srand(seed);
- _random = false;
- _repeat = false;
+ connect(_player, SIGNAL(finished()), this, SLOT(next()));
+ _path = Phonon::createPath(_player, _output);
+ QList<Phonon::EffectDescription> effects = Phonon::BackendCapabilities::availableAudioEffects();
+ foreach (Phonon::EffectDescription desc, effects) {
+ if (desc.name() == "equalizer-10bands") {
+ _equalizer = new Phonon::Effect(desc, this);
+ Config config;
+ if (config.equalizerEnabled()) {
+ for (int i = 0; i < 10; i++) {
+ QVariant var = config.getEqualizerValue(QString("band%1").arg(i));
+ setEqualizerValue(i, var.toDouble());
+ }
+ enableEqualizer();
+ }
+ }
+ }
+ int seed = QTime::currentTime().msec();
+ qsrand(seed);
+ _random = _config.getValue("playback/random").toBool();
+ _repeat = (RepeatRule) _config.getValue("playback/repeat").toInt();
+ _current = -1;
}
void Player::setTrackId(int id) {
+ if (_random) {
+ _randomizer.removeId(id);
+ }
_current = id;
- _history.push(_current);
+ if (!_history.isEmpty() && _history.top() != _current || _history.isEmpty()) {
+ _history.push(_current);
+ }
+ _track = _playlist.tracks().at(_current);
_set_source();
_state = PLAYER_LOADING;
emit stateChanged(_state);
}
-void Player::play() {
- _player->play();
- _state = PLAYER_PLAYING;
- emit stateChanged(_state);
+void Player::toggle() {
+ if (_state == PLAYER_PLAYING) { // pause
+ _player->pause();
+ _state = PLAYER_PAUSED;
+ emit stateChanged(_state);
+ } else { //play
+ play();
+ }
}
void Player::stop() {
emit stateChanged(_state);
}
-void Player::pause() {
- _player->pause();
- _state = PLAYER_PAUSED;
- emit stateChanged(_state);
-}
-
void Player::next() {
- _history.push(_current);
- if (_random) {
- _current = rand() % _playlist.tracks().count();
+ int count = _playlist.tracks().count();
+ if (count == 0) {
+ stop(); // empty playlist
+ return;
+ }
+ if (_repeat == REPEAT_ONE) {
+ _set_source();
+ play();
+ return;
+ }
+ _history.push(_current % count);
+ if (!_queue.isEmpty()) {
+ _current = _queue.dequeue();
+ } else if (!_prev_history.isEmpty()) {
+ _current = _prev_history.pop();
} else {
- _current = (_current + 1) % _playlist.tracks().count();
+ if (_random) {
+ _current = _randomizer.next();
+ } else {
+ _current = _current + 1;
+ }
}
- if (_history.count()-1 == _playlist.tracks().count() && !_repeat) {
+ if (_random && _history.count() >= count && _repeat == REPEAT_NO||
+ _repeat == REPEAT_NO && _current >= count) {
_history.clear();
stop();
} else {
+ _current %= count;
+ _track = _playlist.tracks().at(_current);
_set_source();
play();
}
}
void Player::_set_source() {
- qDebug() << "id: " << _current << " all: " << _playlist.tracks().count();
- Track track = _playlist.tracks().at(_current);
- _player->setCurrentSource(Phonon::MediaSource(track.source()));
- emit trackChanged(track);
+ _player->setCurrentSource(Phonon::MediaSource(_track.source()));
+ emit trackChanged(_track);
}
void Player::prev() {
- if (_history.count() > 0)
+ if (_history.count() > 0) {
+ _prev_history.push(_current);
_current = _history.pop();
+ _track = _playlist.tracks().at(_current);
+ }
_set_source();
play();
}
-void Player::_stateChanged(Phonon::State newState, Phonon::State oldState) {
- qDebug() << "state changed: " << oldState << "->" << newState;
+void Player::_stateChanged(Phonon::State newState, Phonon::State /*oldState*/) {
switch (newState) {
case Phonon::PlayingState:
- if (_state == PLAYER_LOADING) {
- _state = PLAYER_PLAYING;
- emit stateChanged(_state);
- }
- break;
- case Phonon::StoppedState:
- break;
- case Phonon::LoadingState:
- break;
- case Phonon::PausedState:
- if (_state == PLAYER_PLAYING) {
- next();
- } else if (_state == PLAYER_ERROR) {
- play();
- }
- break;
- case Phonon::BufferingState:
+ _state = PLAYER_PLAYING;
+ emit stateChanged(_state);
break;
case Phonon::ErrorState:
- _state = PLAYER_ERROR;
- qDebug() << _player->errorString();
+ play(); // force
+ break;
+ default:
break;
}
}
void Player::_tick(qint64 ticks) {
- emit tick(ticks/1000, _playlist.tracks().at(_current).metadata().length());
+ int done = ticks/1000;
+ int all = _track.metadata().length();
+ emit tick(done, all);
+ if (done+2 == all) {
+ _track.setCount(_track.count()+1);
+ emit trackDone(_track);
+ }
}
void Player::setPlaylist(Playlist playlist) {
_playlist = playlist;
_history.clear();
+ _prev_history.clear();
+ _queue.clear();
+ QList<int> ids;
+ int count = playlist.tracks().count();
+ for (int i = 0; i < count; i++) {
+ ids.append(i);
+ }
+ _randomizer.setPlaylist(ids);
}
void Player::seek(int s) {
- qDebug() << "seeking " << s;
_player->seek(s*1000);
+ if (s >= _track.metadata().length()) {
+ next();
+ }
+}
+
+void Player::play() {
+ if (_playlist.tracks().isEmpty())
+ return;
+ _state = PLAYER_PLAYING;
+ emit stateChanged(_state);
+ if (_current == -1) {
+ _current = 0;
+ _track = _playlist.tracks().at(0);
+ _set_source();
+ }
+ _player->play();
+}
+
+void Player::enqueue(int id) {
+ _queue.enqueue(id);
+}
+
+void Player::toggleRandom() {
+ _random = !_random;
+ _config.setValue("playback/random", _random);
+}
+
+void Player::toggleRepeat() {
+ if (_repeat == REPEAT_NO) {
+ _repeat = REPEAT_ALL;
+ } else if (_repeat == REPEAT_ALL) {
+ _repeat = REPEAT_ONE;
+ } else if (_repeat == REPEAT_ONE) {
+ _repeat = REPEAT_NO;
+ }
+ _config.setValue("playback/repeat", _repeat);
+}
+
+void Player::equalizerValue(int band, double *val) {
+ if (_equalizer == NULL) {
+ *val = 0;
+ return;
+ }
+ if (band < 0 || band > 9) {
+ *val = -24;
+ return;
+ }
+ if (_equalizer_enabled) {
+ QList<Phonon::EffectParameter> plist = _equalizer->parameters();
+ QVariant var = _equalizer->parameterValue(plist[band]);
+ *val = var.toDouble();
+ }
+}
+
+void Player::enableEqualizer() {
+ if (_equalizer == NULL)
+ return;
+ _equalizer_enabled = true;
+ _path.insertEffect(_equalizer);
+ Config config;
+ config.setEqualizerEnabled(true);
+}
+
+void Player::disableEqualizer() {
+ if (_equalizer == NULL)
+ return;
+ _equalizer_enabled = false;
+ _path.removeEffect(_equalizer);
+ Config config;
+ config.setEqualizerEnabled(false);
+}
+
+void Player::setEqualizerValue(int band, double value) {
+ if (_equalizer == NULL)
+ return;
+ if (band < 0 || band > 9 || value < -24 || value > 12) {
+ return;
+ }
+ QList<Phonon::EffectParameter> plist = _equalizer->parameters();
+ _equalizer->setParameterValue(plist[band], QVariant::fromValue(value));
+ Config config;
+ config.setEqualizerValue(QString("band%1").arg(band), value);
+}
+
+QString Player::artist() {
+ if (_current < 0)
+ return "";
+ return _playlist.tracks().at(_current).metadata().artist();
+}
+
+QString Player::album() {
+ if (_current < 0)
+ return "";
+ return _playlist.tracks().at(_current).metadata().album();
+}
+
+QString Player::title() {
+ if (_current < 0)
+ return "";
+ return _playlist.tracks().at(_current).metadata().title();
+}
+
+Track Player::current() {
+ if (_current >= 0 && _current < _playlist.tracks().count()) {
+ return _playlist.tracks().at(_current);
+ } else {
+ return Track();
+ }
+}
+
+void Player::pause() {
+ if (_state == PLAYER_PLAYING) {
+ _player->pause();
+ _state = PLAYER_PAUSED;
+ emit stateChanged(_state);
+ }
+}
+
+void Player::playIfPaused() {
+ if (_state == PLAYER_PAUSED) {
+ play();
+ }
}
projects / someplayer / blobdiff