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1 /* This file is part of the KDE project. |
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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 Copyright (C) 2008 Matthias Kretz <kretz@kde.org> |
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5 |
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6 This library is free software: you can redistribute it and/or modify |
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7 it under the terms of the GNU Lesser General Public License as published by |
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8 the Free Software Foundation, either version 2.1 or 3 of the License. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 GNU Lesser General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Lesser General Public License |
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16 along with this library. If not, see <http://www.gnu.org/licenses/>. |
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17 */ |
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18 |
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19 #ifndef Phonon_GSTREAMER_AUDIOOUTPUT_H |
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20 #define Phonon_GSTREAMER_AUDIOOUTPUT_H |
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21 |
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22 #include "common.h" |
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23 #include "medianode.h" |
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24 |
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25 #include <phonon/audiooutputinterface.h> |
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26 #include <phonon/phononnamespace.h> |
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27 |
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28 #include <QtCore/QFile> |
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29 |
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30 #include <gst/gst.h> |
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31 |
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32 QT_BEGIN_NAMESPACE |
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33 |
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34 namespace Phonon |
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35 { |
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36 namespace Gstreamer |
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37 { |
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38 class AudioOutput : public QObject, public AudioOutputInterface, public MediaNode |
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39 { |
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40 Q_OBJECT |
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41 Q_INTERFACES(Phonon::AudioOutputInterface Phonon::Gstreamer::MediaNode) |
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42 public: |
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43 AudioOutput(Backend *backend, QObject *parent); |
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44 ~AudioOutput(); |
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45 |
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46 qreal volume() const; |
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47 int outputDevice() const; |
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48 void setVolume(qreal newVolume); |
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49 bool setOutputDevice(int newDevice); |
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50 #if (PHONON_VERSION >= PHONON_VERSION_CHECK(4, 2, 0)) |
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51 bool setOutputDevice(const AudioOutputDevice &newDevice); |
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52 #endif |
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53 |
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54 public: |
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55 GstElement *audioElement() |
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56 { |
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57 Q_ASSERT(m_audioBin); |
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58 return m_audioBin; |
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59 } |
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60 |
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61 void mediaNodeEvent(const MediaNodeEvent *event); |
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62 |
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63 Q_SIGNALS: |
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64 void volumeChanged(qreal newVolume); |
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65 void audioDeviceFailed(); |
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66 |
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67 private: |
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68 |
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69 qreal m_volumeLevel; |
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70 int m_device; |
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71 |
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72 GstElement *m_volumeElement; |
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73 GstElement *m_audioBin; |
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74 GstElement *m_audioSink; |
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75 GstElement *m_conv; |
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76 }; |
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77 } |
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78 } //namespace Phonon::Gstreamer |
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79 |
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80 QT_END_NAMESPACE |
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81 |
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82 #endif // Phonon_GSTREAMER_AUDIOOUTPUT_H |