1 /**************************************************************************** |
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2 ** |
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3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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4 ** All rights reserved. |
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5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
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6 ** |
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7 ** This file is part of the Qt Mobility Components. |
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8 ** |
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9 ** $QT_BEGIN_LICENSE:LGPL$ |
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10 ** No Commercial Usage |
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11 ** This file contains pre-release code and may not be distributed. |
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12 ** You may use this file in accordance with the terms and conditions |
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13 ** contained in the Technology Preview License Agreement accompanying |
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14 ** this package. |
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15 ** |
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16 ** GNU Lesser General Public License Usage |
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17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
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18 ** General Public License version 2.1 as published by the Free Software |
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19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
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20 ** packaging of this file. Please review the following information to |
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21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
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22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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23 ** |
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24 ** In addition, as a special exception, Nokia gives you certain additional |
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25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
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26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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27 ** |
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28 ** If you have questions regarding the use of this file, please contact |
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29 ** Nokia at qt-info@nokia.com. |
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30 ** |
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31 ** |
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32 ** |
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33 ** |
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34 ** |
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35 ** |
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36 ** |
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37 ** |
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38 ** $QT_END_LICENSE$ |
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39 ** |
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40 ****************************************************************************/ |
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41 |
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42 // |
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43 // W A R N I N G |
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44 // ------------- |
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45 // |
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46 // This file is not part of the Qt API. It exists purely as an |
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47 // implementation detail. This header file may change from version to |
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48 // version without notice, or even be removed. |
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49 // |
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50 // We mean it. |
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51 // |
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52 |
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53 #include <QtCore/qcoreapplication.h> |
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54 #include <QtCore/qtimer.h> |
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55 #include <QtCore/qfile.h> |
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56 #include <QtGui/qsound.h> |
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57 #include <QtMultimedia/qaudioformat.h> |
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58 #include <QDebug> |
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59 |
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60 #include "qmediacontent.h" |
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61 #include "qmediaplayer.h" |
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62 #include "qsoundeffect_p.h" |
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63 |
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64 #include "wavedecoder.h" |
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65 |
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66 #include "qsoundeffect_qsound_p.h" |
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67 |
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68 |
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69 QSoundEffectPrivate::QSoundEffectPrivate(QObject* parent): |
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70 QObject(parent), |
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71 m_queued(false), |
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72 m_muted(false), |
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73 m_state(QMediaPlayer::StoppedState), |
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74 m_status(QMediaPlayer::NoMedia), |
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75 m_file(0), |
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76 m_sound(0) |
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77 { |
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78 m_timer = new QTimer(this); |
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79 connect(m_timer,SIGNAL(timeout()),SLOT(checkPlayTime())); |
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80 m_media = QMediaContent(); |
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81 } |
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82 |
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83 QSoundEffectPrivate::~QSoundEffectPrivate() |
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84 { |
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85 if (m_sound) delete m_sound; |
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86 if (m_waveDecoder) delete m_waveDecoder; |
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87 m_file->close(); |
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88 } |
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89 |
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90 qint64 QSoundEffectPrivate::duration() const |
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91 { |
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92 if (m_waveDecoder) |
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93 return m_waveDecoder->size(); |
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94 |
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95 return 0; |
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96 } |
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97 |
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98 int QSoundEffectPrivate::volume() const |
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99 { |
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100 return 100; |
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101 } |
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102 |
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103 bool QSoundEffectPrivate::isMuted() const |
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104 { |
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105 return m_muted; |
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106 } |
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107 |
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108 QMediaContent QSoundEffectPrivate::media() const |
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109 { |
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110 return m_media; |
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111 } |
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112 |
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113 QMediaPlayer::State QSoundEffectPrivate::state() const |
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114 { |
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115 return m_state; |
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116 } |
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117 |
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118 QMediaPlayer::MediaStatus QSoundEffectPrivate::mediaStatus() const |
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119 { |
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120 return m_status; |
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121 } |
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122 |
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123 void QSoundEffectPrivate::play() |
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124 { |
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125 if (m_sound && !m_muted) { |
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126 m_queued = false; |
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127 m_timer->start(20); |
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128 m_playbackTime.start(); |
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129 m_sound->play(); |
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130 emit stateChanged(m_state = QMediaPlayer::PlayingState); |
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131 } else if (m_status == QMediaPlayer::LoadingMedia) |
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132 m_queued = true; |
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133 } |
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134 |
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135 void QSoundEffectPrivate::stop() |
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136 { |
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137 m_timer->stop(); |
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138 |
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139 if (m_sound) { |
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140 m_sound->stop(); |
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141 emit stateChanged(m_state = QMediaPlayer::StoppedState); |
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142 } |
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143 } |
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144 |
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145 void QSoundEffectPrivate::setVolume(int volume) |
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146 { |
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147 Q_UNUSED(volume) |
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148 } |
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149 |
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150 void QSoundEffectPrivate::setMuted(bool muted) |
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151 { |
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152 m_muted = muted; |
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153 } |
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154 |
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155 void QSoundEffectPrivate::setMedia(const QMediaContent &media) |
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156 { |
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157 m_queued = false; |
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158 |
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159 if (media.isNull() || media.canonicalUrl().scheme() != "file") { |
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160 m_media = QMediaContent(); |
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161 return; |
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162 } |
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163 if (m_media == media) |
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164 return; |
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165 |
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166 m_media = media; |
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167 m_file = new QFile(m_media.canonicalUrl().toLocalFile()); |
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168 m_file->open(QIODevice::ReadOnly|QIODevice::Unbuffered); |
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169 |
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170 unloadSample(); |
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171 loadSample(); |
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172 |
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173 emit mediaChanged(m_media); |
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174 } |
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175 |
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176 void QSoundEffectPrivate::decoderReady() |
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177 { |
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178 m_file->close(); |
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179 m_sound = new QSound(m_media.canonicalUrl().toLocalFile()); |
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180 emit mediaStatusChanged(m_status = QMediaPlayer::LoadedMedia); |
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181 |
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182 if (m_queued) |
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183 play(); |
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184 } |
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185 |
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186 void QSoundEffectPrivate::decoderError() |
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187 { |
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188 m_file->close(); |
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189 emit mediaStatusChanged(m_status = QMediaPlayer::InvalidMedia); |
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190 } |
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191 |
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192 void QSoundEffectPrivate::checkPlayTime() |
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193 { |
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194 if (m_sound->isFinished()) { |
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195 m_timer->stop(); |
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196 m_state = QMediaPlayer::StoppedState; |
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197 emit stateChanged(m_state); |
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198 } |
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199 } |
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200 |
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201 void QSoundEffectPrivate::loadSample() |
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202 { |
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203 m_waveDecoder = new WaveDecoder(m_file); |
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204 connect(m_waveDecoder, SIGNAL(formatKnown()), SLOT(decoderReady())); |
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205 connect(m_waveDecoder, SIGNAL(invalidFormat()), SLOT(decoderError())); |
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206 |
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207 m_status = QMediaPlayer::LoadingMedia; |
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208 emit mediaStatusChanged(m_status); |
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209 } |
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210 |
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211 void QSoundEffectPrivate::unloadSample() |
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212 { |
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213 if (m_sound == 0) |
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214 return; |
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215 |
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216 m_status = QMediaPlayer::NoMedia; |
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217 |
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218 if (m_sound) |
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219 delete m_sound; |
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220 |
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221 m_sound = 0; |
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222 } |
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223 |
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