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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 #include "qgstreamerrecordercontrol_maemo.h" |
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43 #include "qgstreameraudioencode_maemo.h" |
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44 #include "qgstreamervideoencode_maemo.h" |
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45 #include "qgstreamermediacontainercontrol_maemo.h" |
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46 #include <QtCore/QDebug> |
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47 |
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48 QGstreamerRecorderControl::QGstreamerRecorderControl(QGstreamerCaptureSession *session) |
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49 :QMediaRecorderControl(session), m_session(session), m_state(QMediaRecorder::StoppedState) |
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50 { |
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51 connect(m_session, SIGNAL(stateChanged(QGstreamerCaptureSession::State)), SLOT(updateState())); |
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52 connect(m_session, SIGNAL(error(int,QString)), SIGNAL(error(int,QString))); |
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53 connect(m_session, SIGNAL(durationChanged(qint64)), SIGNAL(durationChanged(qint64))); |
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54 m_hasPreviewState = m_session->captureMode() != QGstreamerCaptureSession::Audio; |
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55 } |
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56 |
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57 QGstreamerRecorderControl::~QGstreamerRecorderControl() |
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58 { |
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59 } |
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60 |
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61 QUrl QGstreamerRecorderControl::outputLocation() const |
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62 { |
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63 return m_session->outputLocation(); |
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64 } |
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65 |
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66 bool QGstreamerRecorderControl::setOutputLocation(const QUrl &sink) |
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67 { |
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68 m_session->setOutputLocation(sink); |
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69 return true; |
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70 } |
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71 |
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72 |
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73 QMediaRecorder::State QGstreamerRecorderControl::state() const |
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74 { |
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75 switch ( m_session->state() ) { |
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76 case QGstreamerCaptureSession::RecordingState: |
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77 return QMediaRecorder::RecordingState; |
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78 case QGstreamerCaptureSession::PausedState: |
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79 return QMediaRecorder::PausedState; |
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80 case QGstreamerCaptureSession::PreviewState: |
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81 case QGstreamerCaptureSession::StoppedState: |
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82 return QMediaRecorder::StoppedState; |
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83 } |
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84 |
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85 return QMediaRecorder::StoppedState; |
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86 |
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87 } |
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88 |
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89 void QGstreamerRecorderControl::updateState() |
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90 { |
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91 QMediaRecorder::State newState = state(); |
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92 if (m_state != newState) { |
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93 m_state = newState; |
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94 emit stateChanged(m_state); |
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95 } |
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96 } |
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97 |
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98 qint64 QGstreamerRecorderControl::duration() const |
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99 { |
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100 return m_session->duration(); |
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101 } |
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102 |
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103 void QGstreamerRecorderControl::record() |
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104 { |
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105 if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) { |
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106 m_session->setState(QGstreamerCaptureSession::RecordingState); |
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107 } else |
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108 emit error(QMediaRecorder::ResourceError, tr("Service has not been started")); |
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109 } |
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110 |
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111 void QGstreamerRecorderControl::pause() |
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112 { |
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113 if (!m_hasPreviewState || m_session->state() != QGstreamerCaptureSession::StoppedState) { |
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114 m_session->setState(QGstreamerCaptureSession::PausedState); |
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115 } else |
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116 emit error(QMediaRecorder::ResourceError, tr("Service has not been started")); |
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117 } |
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118 |
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119 void QGstreamerRecorderControl::stop() |
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120 { |
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121 if (!m_hasPreviewState) { |
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122 m_session->setState(QGstreamerCaptureSession::StoppedState); |
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123 } else { |
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124 if (m_session->state() != QGstreamerCaptureSession::StoppedState) |
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125 m_session->setState(QGstreamerCaptureSession::PreviewState); |
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126 } |
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127 } |
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128 |
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129 void QGstreamerRecorderControl::applySettings() |
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130 { |
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131 //Check the codecs are compatible with container, |
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132 //and choose the compatible codecs/container if omitted |
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133 QGstreamerAudioEncode *audioEncodeControl = m_session->audioEncodeControl(); |
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134 QGstreamerVideoEncode *videoEncodeControl = m_session->videoEncodeControl(); |
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135 QGstreamerMediaContainerControl *mediaContainerControl = m_session->mediaContainerControl(); |
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136 |
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137 bool needAudio = m_session->captureMode() & QGstreamerCaptureSession::Audio; |
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138 bool needVideo = m_session->captureMode() & QGstreamerCaptureSession::Video; |
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139 |
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140 QStringList containerCandidates; |
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141 if (mediaContainerControl->containerMimeType().isEmpty()) |
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142 containerCandidates = mediaContainerControl->supportedContainers(); |
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143 else |
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144 containerCandidates << mediaContainerControl->containerMimeType(); |
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145 |
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146 |
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147 QStringList audioCandidates; |
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148 if (needAudio) { |
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149 QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings(); |
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150 if (audioSettings.codec().isEmpty()) |
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151 audioCandidates = audioEncodeControl->supportedAudioCodecs(); |
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152 else |
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153 audioCandidates << audioSettings.codec(); |
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154 } |
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155 |
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156 QStringList videoCandidates; |
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157 if (needVideo) { |
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158 QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings(); |
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159 if (videoSettings.codec().isEmpty()) |
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160 videoCandidates = videoEncodeControl->supportedVideoCodecs(); |
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161 else |
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162 videoCandidates << videoSettings.codec(); |
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163 } |
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164 |
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165 QString container; |
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166 QString audioCodec; |
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167 QString videoCodec; |
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168 |
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169 foreach (const QString &containerCandidate, containerCandidates) { |
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170 QSet<QString> supportedTypes = mediaContainerControl->supportedStreamTypes(containerCandidate); |
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171 |
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172 audioCodec.clear(); |
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173 videoCodec.clear(); |
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174 |
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175 if (needAudio) { |
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176 bool found = false; |
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177 foreach (const QString &audioCandidate, audioCandidates) { |
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178 QSet<QString> audioTypes = audioEncodeControl->supportedStreamTypes(audioCandidate); |
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179 if (!audioTypes.intersect(supportedTypes).isEmpty()) { |
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180 found = true; |
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181 audioCodec = audioCandidate; |
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182 break; |
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183 } |
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184 } |
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185 if (!found) |
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186 continue; |
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187 } |
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188 |
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189 if (needVideo) { |
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190 bool found = false; |
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191 foreach (const QString &videoCandidate, videoCandidates) { |
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192 QSet<QString> videoTypes = videoEncodeControl->supportedStreamTypes(videoCandidate); |
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193 if (!videoTypes.intersect(supportedTypes).isEmpty()) { |
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194 found = true; |
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195 videoCodec = videoCandidate; |
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196 break; |
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197 } |
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198 } |
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199 if (!found) |
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200 continue; |
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201 } |
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202 |
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203 container = containerCandidate; |
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204 break; |
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205 } |
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206 |
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207 if (container.isEmpty()) { |
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208 emit error(QMediaRecorder::FormatError, tr("Not compatible codecs and container format.")); |
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209 } else { |
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210 mediaContainerControl->setContainerMimeType(container); |
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211 |
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212 if (needAudio) { |
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213 QAudioEncoderSettings audioSettings = audioEncodeControl->audioSettings(); |
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214 audioSettings.setCodec(audioCodec); |
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215 audioEncodeControl->setAudioSettings(audioSettings); |
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216 } |
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217 |
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218 if (needVideo) { |
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219 QVideoEncoderSettings videoSettings = videoEncodeControl->videoSettings(); |
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220 videoSettings.setCodec(videoCodec); |
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221 videoEncodeControl->setVideoSettings(videoSettings); |
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222 } |
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223 } |
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224 } |