FCL/sf/mw/qt: src/3rdparty/phonon/mmf/abstractaudioeffect.cpp@f7bc934e204c (annotated)

0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	1	/* This file is part of the KDE project.
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	2
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	3	Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	4
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	5	This library is free software: you can redistribute it and/or modify
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	6	it under the terms of the GNU Lesser General Public License as published by
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	7	the Free Software Foundation, either version 2.1 or 3 of the License.
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	8
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	9	This library is distributed in the hope that it will be useful,
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	10	but WITHOUT ANY WARRANTY; without even the implied warranty of
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	11	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	12	GNU Lesser General Public License for more details.
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	13
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	14	You should have received a copy of the GNU Lesser General Public License
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	15	along with this library. If not, see <http://www.gnu.org/licenses/>.
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	16
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	17	*/
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	18
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	19	#include "mediaobject.h"
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	20
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	21	#include "abstractaudioeffect.h"
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	22	#include "audioplayer.h"
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	23
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	24	QT_BEGIN_NAMESPACE
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	25
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	26	using namespace Phonon;
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	27	using namespace Phonon::MMF;
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	28
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	29	/*! \class MMF::AbstractAudioEffect
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	30	\internal
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	31	*/
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	32
3 41300fa6a67c Revision: 201003 Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> parents: 0 diff changeset	33	/*! \namespace Phonon::MMF
41300fa6a67c Revision: 201003 Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> parents: 0 diff changeset	34	\internal
41300fa6a67c Revision: 201003 Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> parents: 0 diff changeset	35	*/
41300fa6a67c Revision: 201003 Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> parents: 0 diff changeset	36
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	37	AbstractAudioEffect::AbstractAudioEffect(QObject *parent,
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	38	const QList<EffectParameter> &params)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	39	: MediaNode(parent)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	40	, m_params(params)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	41	, m_player(0)
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	42	{
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	43
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	44	}
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	45
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	46	QList<Phonon::EffectParameter> AbstractAudioEffect::parameters() const
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	47	{
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	48	// Convert from QList<MMF::EffectParameter> to QList<Phonon::EffectParameter>
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	49	QList<Phonon::EffectParameter> result;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	50	EffectParameter param;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	51	foreach (param, m_params)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	52	result += param;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	53	return result;
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	54	}
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	55
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	56	QVariant AbstractAudioEffect::parameterValue(const Phonon::EffectParameter &queriedParam) const
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	57	{
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	58	const QVariant &val = m_values.value(queriedParam.id());
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	59
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	60	if (val.isNull())
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	61	return queriedParam.defaultValue();
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	62	else
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	63	return val;
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	64	}
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	65
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	66	void AbstractAudioEffect::setParameterValue(const Phonon::EffectParameter &param,
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	67	const QVariant &newValue)
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	68	{
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	69	m_values.insert(param.id(), newValue);
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	70
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	71	if (m_effect.data()) {
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	72	const EffectParameter& internalParam = internalParameter(param.id());
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	73	int err = parameterChanged(internalParam, newValue);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	74	// TODO: handle audio effect errors
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	75	Q_UNUSED(err);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	76	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	77	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	78
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	79	void AbstractAudioEffect::abstractPlayerChanged(AbstractPlayer *player)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	80	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	81	m_player = qobject_cast<AbstractMediaPlayer *>(player);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	82	m_effect.reset();
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	83	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	84
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	85	void AbstractAudioEffect::stateChanged(Phonon::State newState,
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	86	Phonon::State oldState)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	87	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	88	if (Phonon::LoadingState == oldState
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	89	&& Phonon::LoadingState != newState)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	90	createEffect();
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	91	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	92
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	93	void AbstractAudioEffect::connectMediaObject(MediaObject *mediaObject)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	94	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	95	Q_ASSERT_X(!m_player, Q_FUNC_INFO, "Player already connected");
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	96	Q_ASSERT_X(!m_effect.data(), Q_FUNC_INFO, "Effect already created");
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	97
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	98	abstractPlayerChanged(mediaObject->abstractPlayer());
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	99
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	100	connect(mediaObject, SIGNAL(stateChanged(Phonon::State, Phonon::State)),
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	101	SLOT(stateChanged(Phonon::State, Phonon::State)));
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	102
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	103	connect(mediaObject, SIGNAL(abstractPlayerChanged(AbstractPlayer *)),
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	104	SLOT(abstractPlayerChanged(AbstractPlayer *)));
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	105
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	106	if (mediaObject->state() != Phonon::LoadingState)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	107	createEffect();
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	108	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	109
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	110	void AbstractAudioEffect::disconnectMediaObject(MediaObject *mediaObject)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	111	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	112	mediaObject->disconnect(this);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	113	abstractPlayerChanged(0);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	114	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	115
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	116	void AbstractAudioEffect::setEnabled(bool enabled)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	117	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	118	TInt err = KErrNone;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	119
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	120	if (enabled)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	121	// TODO: handle audio effect errors
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	122	TRAP(err, m_effect->EnableL())
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	123	else
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	124	// TODO: handle audio effect errors
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	125	TRAP(err, m_effect->DisableL())
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	126
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	127	Q_UNUSED(err);
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	128	}
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	129
7 f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	130	void AbstractAudioEffect::createEffect()
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	131	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	132	Q_ASSERT_X(m_player, Q_FUNC_INFO, "Invalid media player pointer");
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	133
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	134	if (AudioPlayer audioPlayer = qobject_cast<AudioPlayer >(m_player)) {
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	135	createEffect(audioPlayer->nativePlayer());
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	136	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	137
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	138	if (m_effect.data()) {
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	139	EffectParameter param;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	140	int err = 0;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	141	foreach (param, m_params) {
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	142	const QVariant value = parameterValue(param);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	143	err = parameterChanged(param, value);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	144	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	145	Q_UNUSED(err)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	146	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	147	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	148
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	149	const MMF::EffectParameter& AbstractAudioEffect::internalParameter(int id) const
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	150	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	151	const EffectParameter *result = 0;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	152	for (int i=0; i<m_params.count() && !result; ++i) {
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	153	if (m_params[i].id() == id)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	154	result = &m_params[i];
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	155	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	156	Q_ASSERT_X(result, Q_FUNC_INFO, "Parameter not found");
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	157	return *result;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	158	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	159
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	160	int AbstractAudioEffect::parameterChanged(const EffectParameter &param,
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	161	const QVariant &value)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	162	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	163	int err = 0;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	164
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	165	switch (param.id()) {
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	166	case ParameterEnable:
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	167	setEnabled(value.toBool());
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	168	break;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	169	default:
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	170	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	171	const EffectParameter& internalParam = internalParameter(param.id());
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	172	err = effectParameterChanged(internalParam, value);
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	173	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	174	break;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	175	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	176
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	177	if (!err)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	178	TRAP(err, m_effect->ApplyL());
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	179
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	180	return err;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	181	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	182
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	183	int AbstractAudioEffect::effectParameterChanged(
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	184	const EffectParameter &param, const QVariant &value)
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	185	{
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	186	// Default implementation
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	187	Q_ASSERT_X(false, Q_FUNC_INFO, "Effect has no parameters");
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	188	return 0;
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	189	}
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	190
f7bc934e204c 5cabc75a39ca2f064f70b40f72ed93c74c4dc19b eckhart.koppen@nokia.com parents: 3 diff changeset	191
0 1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	192	QT_END_NAMESPACE
1918ee327afb Revision: 200952 Alex Gilkes <alex.gilkes@nokia.com> parents: diff changeset	193

author	eckhart.koppen@nokia.com
	Wed, 31 Mar 2010 11:06:36 +0300
changeset 7	f7bc934e204c
parent 3	41300fa6a67c
permissions	-rw-r--r--