Initial commit.

src/engine/phononengine.cpp

@@ -0,0 +1,159 @@
+/* This file is part of Strawberry.
+
+   Strawberry 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 3 of the License, or
+   (at your option) any later version.
+
+   Strawberry 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 Strawberry.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "config.h"
+
+#include <QTimer>
+
+#include "phononengine.h"
+
+#include "core/logging.h"
+#include "core/taskmanager.h"
+
+PhononEngine::PhononEngine(TaskManager *task_manager)
+  : media_object_(new Phonon::MediaObject(this)),
+    audio_output_(new Phonon::AudioOutput(Phonon::MusicCategory, this)),
+    state_timer_(new QTimer(this)),
+    seek_offset_(-1)
+{
+
+  Phonon::createPath(media_object_, audio_output_);
+
+  connect(media_object_, SIGNAL(finished()), SLOT(PhononFinished()));
+  connect(media_object_, SIGNAL(stateChanged(Phonon::State,Phonon::State)), SLOT(PhononStateChanged(Phonon::State)));
+
+  state_timer_->setSingleShot(true);
+  connect(state_timer_, SIGNAL(timeout()), SLOT(StateTimeoutExpired()));
+
+}
+
+PhononEngine::~PhononEngine() {
+  delete media_object_;
+  delete audio_output_;
+}
+
+bool PhononEngine::Init() {
+  //qLog(Debug) << __PRETTY_FUNCTION__;
+  type_ = Engine::Phonon;
+  return true;
+}
+
+bool PhononEngine::CanDecode(const QUrl &url) {
+  // TODO
+  return true;
+}
+
+bool PhononEngine::Load(const QUrl &url, Engine::TrackChangeFlags change, bool force_stop_at_end, quint64 beginning_nanosec, qint64 end_nanosec) {
+  media_object_->setCurrentSource(Phonon::MediaSource(url));
+  return true;
+}
+
+bool PhononEngine::Play(quint64 offset_nanosec) {
+
+  // The seek happens in PhononStateChanged - phonon doesn't seem to change
+  // currentTime() if we seek before we start playing :S
+  seek_offset_ = offset_nanosec;
+
+  media_object_->play();
+  return true;
+
+}
+
+void PhononEngine::Stop(bool stop_after) {
+  media_object_->stop();
+}
+
+void PhononEngine::Pause() {
+  media_object_->pause();
+}
+
+void PhononEngine::Unpause() {
+  media_object_->play();
+}
+
+Engine::State PhononEngine::state() const {
+
+  switch (media_object_->state()) {
+    case Phonon::LoadingState:
+    case Phonon::PlayingState:
+    case Phonon::BufferingState:
+      return Engine::Playing;
+
+    case Phonon::PausedState:
+      return Engine::Paused;
+
+    case Phonon::StoppedState:
+    case Phonon::ErrorState:
+    default:
+      return Engine::Empty;
+  }
+
+}
+
+uint PhononEngine::position() const {
+  return media_object_->currentTime();
+}
+
+uint PhononEngine::length() const {
+  return media_object_->totalTime();
+}
+
+void PhononEngine::Seek(quint64 offset_nanosec) {
+  media_object_->seek(offset_nanosec);
+}
+
+void PhononEngine::SetVolumeSW(uint volume) {
+  audio_output_->setVolume(volume);
+}
+
+void PhononEngine::PhononFinished() {
+  emit TrackEnded();
+}
+
+void PhononEngine::PhononStateChanged(Phonon::State new_state) {
+
+  if (new_state == Phonon::ErrorState) {
+    emit Error(media_object_->errorString());
+  }
+  if (new_state == Phonon::PlayingState && seek_offset_ != -1) {
+    media_object_->seek(seek_offset_);
+    seek_offset_ = -1;
+  }
+
+  // Don't emit the state change straight away
+  state_timer_->start(100);
+
+}
+
+void PhononEngine::StateTimeoutExpired() {
+  emit StateChanged(state());
+}
+
+qint64 PhononEngine::position_nanosec() const {
+    
+  //qLog(Debug) << __PRETTY_FUNCTION__;
+    
+  return 0;
+
+}
+
+qint64 PhononEngine::length_nanosec() const {
+    
+  //qLog(Debug) << __PRETTY_FUNCTION__;
+    
+  return 0;
+
+}