157 lines
3.6 KiB
C++
157 lines
3.6 KiB
C++
/* This file is part of Strawberry.
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Strawberry is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Strawberry is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <QtGlobal>
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#include <QUrl>
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#include <QTimer>
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#include "phononengine.h"
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#include "core/logging.h"
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#include "core/taskmanager.h"
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PhononEngine::PhononEngine(TaskManager *task_manager)
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: media_object_(new Phonon::MediaObject(this)),
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audio_output_(new Phonon::AudioOutput(Phonon::MusicCategory, this)),
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state_timer_(new QTimer(this)),
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seek_offset_(-1)
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{
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Phonon::createPath(media_object_, audio_output_);
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connect(media_object_, SIGNAL(finished()), SLOT(PhononFinished()));
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connect(media_object_, SIGNAL(stateChanged(Phonon::State,Phonon::State)), SLOT(PhononStateChanged(Phonon::State)));
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state_timer_->setSingleShot(true);
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connect(state_timer_, SIGNAL(timeout()), SLOT(StateTimeoutExpired()));
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}
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PhononEngine::~PhononEngine() {
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delete media_object_;
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delete audio_output_;
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}
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bool PhononEngine::Init() {
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//qLog(Debug) << __PRETTY_FUNCTION__;
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type_ = Engine::Phonon;
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return true;
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}
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bool PhononEngine::CanDecode(const QUrl &url) {
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// TODO
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return true;
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}
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bool PhononEngine::Load(const QUrl &url, Engine::TrackChangeFlags change, bool force_stop_at_end, quint64 beginning_nanosec, qint64 end_nanosec) {
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media_object_->setCurrentSource(Phonon::MediaSource(url));
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return true;
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}
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bool PhononEngine::Play(quint64 offset_nanosec) {
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// The seek happens in PhononStateChanged - phonon doesn't seem to change currentTime() if we seek before we start playing :S
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seek_offset_ = offset_nanosec;
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media_object_->play();
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return true;
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}
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void PhononEngine::Stop(bool stop_after) {
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media_object_->stop();
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}
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void PhononEngine::Pause() {
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media_object_->pause();
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}
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void PhononEngine::Unpause() {
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media_object_->play();
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}
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Engine::State PhononEngine::state() const {
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switch (media_object_->state()) {
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case Phonon::LoadingState:
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case Phonon::PlayingState:
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case Phonon::BufferingState:
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return Engine::Playing;
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case Phonon::PausedState:
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return Engine::Paused;
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case Phonon::StoppedState:
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case Phonon::ErrorState:
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default:
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return Engine::Empty;
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}
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}
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uint PhononEngine::position() const {
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return media_object_->currentTime();
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}
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uint PhononEngine::length() const {
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return media_object_->totalTime();
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}
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void PhononEngine::Seek(quint64 offset_nanosec) {
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media_object_->seek(offset_nanosec);
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}
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void PhononEngine::SetVolumeSW(uint volume) {
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audio_output_->setVolume(volume);
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}
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void PhononEngine::PhononFinished() {
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emit TrackEnded();
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}
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void PhononEngine::PhononStateChanged(Phonon::State new_state) {
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if (new_state == Phonon::ErrorState) {
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emit Error(media_object_->errorString());
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}
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if (new_state == Phonon::PlayingState && seek_offset_ != -1) {
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media_object_->seek(seek_offset_);
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seek_offset_ = -1;
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}
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// Don't emit the state change straight away
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state_timer_->start(100);
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}
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void PhononEngine::StateTimeoutExpired() {
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emit StateChanged(state());
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}
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qint64 PhononEngine::position_nanosec() const {
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return 0;
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}
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qint64 PhononEngine::length_nanosec() const {
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return 0;
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}
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