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/* This file is part of the KDE project.
Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 2.1 or 3 of the License.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "abstractplayer.h"
#include "defs.h"
#include "utils.h"
QT_BEGIN_NAMESPACE
using namespace Phonon;
using namespace Phonon::MMF;
/*! \class MMF::AbstractPlayer
\internal
*/
//-----------------------------------------------------------------------------
// Constructor / destructor
//-----------------------------------------------------------------------------
MMF::AbstractPlayer::AbstractPlayer()
: m_videoOutput(0)
, m_volume(InitialVolume)
, m_state(GroundState)
, m_error(NoError)
, m_tickInterval(DefaultTickInterval)
, m_transitionTime(0)
, m_prefinishMark(0)
{
}
MMF::AbstractPlayer::AbstractPlayer(const AbstractPlayer& player)
: m_videoOutput(player.m_videoOutput)
, m_volume(player.m_volume)
, m_state(GroundState)
, m_error(NoError)
, m_tickInterval(player.tickInterval())
, m_transitionTime(player.transitionTime())
, m_prefinishMark(player.prefinishMark())
{
}
//-----------------------------------------------------------------------------
// MediaObjectInterface
//-----------------------------------------------------------------------------
qint32 MMF::AbstractPlayer::tickInterval() const
{
return m_tickInterval;
}
void MMF::AbstractPlayer::setTickInterval(qint32 interval)
{
m_tickInterval = interval;
doSetTickInterval(interval);
}
qint32 MMF::AbstractPlayer::prefinishMark() const
{
return m_prefinishMark;
}
void MMF::AbstractPlayer::setPrefinishMark(qint32 mark)
{
m_prefinishMark = mark;
}
qint32 MMF::AbstractPlayer::transitionTime() const
{
return m_transitionTime;
}
void MMF::AbstractPlayer::setTransitionTime(qint32 time)
{
m_transitionTime = time;
}
void MMF::AbstractPlayer::volumeChanged(qreal volume)
{
m_volume = volume;
}
//-----------------------------------------------------------------------------
// Video output
//-----------------------------------------------------------------------------
void MMF::AbstractPlayer::setVideoOutput(VideoOutput* videoOutput)
{
m_videoOutput = videoOutput;
videoOutputChanged();
}
void MMF::AbstractPlayer::videoOutputChanged()
{
// Default behaviour is empty - overridden by VideoPlayer
}
void MMF::AbstractPlayer::setError(Phonon::ErrorType error,
const QString &errorMessage)
{
TRACE_CONTEXT(AbstractPlayer::setError, EAudioInternal);
TRACE_ENTRY("state %d error %d", m_state, error);
m_error = error;
m_errorString = errorMessage;
changeState(ErrorState);
TRACE_EXIT_0();
}
Phonon::ErrorType MMF::AbstractPlayer::errorType() const
{
const Phonon::ErrorType result = (ErrorState == m_state)
? m_error : NoError;
return result;
}
QString MMF::AbstractPlayer::errorString() const
{
return m_errorString;
}
Phonon::State MMF::AbstractPlayer::phononState() const
{
return phononState(m_state);
}
Phonon::State MMF::AbstractPlayer::phononState(PrivateState state)
{
const Phonon::State phononState =
GroundState == state
? Phonon::LoadingState
: static_cast<Phonon::State>(state);
return phononState;
}
AbstractPlayer::PrivateState AbstractPlayer::privateState() const
{
return m_state;
}
Phonon::State MMF::AbstractPlayer::state() const
{
return phononState(m_state);
}
void MMF::AbstractPlayer::setState(PrivateState newState)
{
m_state = newState;
}
void MMF::AbstractPlayer::changeState(PrivateState newState)
{
TRACE_CONTEXT(AbstractPlayer::changeState, EAudioInternal);
TRACE_ENTRY("state %d newState %d", privateState(), newState);
// TODO: add some invariants to check that the transition is valid
const Phonon::State oldPhononState = phononState(privateState());
// We need to change the state before we emit stateChanged(), because
// some user code, for instance the mediaplayer, switch on MediaObject's
// state.
setState(newState);
const Phonon::State newPhononState = phononState(newState);
if (oldPhononState != newPhononState) {
TRACE("emit stateChanged(%d, %d)", newPhononState, oldPhononState);
emit stateChanged(newPhononState, oldPhononState);
}
TRACE_EXIT_0();
}
QT_END_NAMESPACE
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