| 1 | /* This file is part of the KDE project
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| 2 | Copyright (C) 2006 Matthias Kretz <kretz@kde.org>
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| 3 | Copyright (C) 2009 Martin Sandsmark <sandsmark@samfundet.no>
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| 4 |
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| 5 | This library is free software; you can redistribute it and/or
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| 6 | modify it under the terms of the GNU Lesser General Public
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| 7 | License as published by the Free Software Foundation; either
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| 8 | version 2.1 of the License, or (at your option) version 3, or any
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| 9 | later version accepted by the membership of KDE e.V. (or its
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| 10 | successor approved by the membership of KDE e.V.), Nokia Corporation
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| 11 | (or its successors, if any) and the KDE Free Qt Foundation, which shall
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| 12 | act as a proxy defined in Section 6 of version 3 of the license.
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| 13 |
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| 14 | This library is distributed in the hope that it will be useful,
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| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 17 | Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public
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| 20 | License along with this library. If not, see <http://www.gnu.org/licenses/>.
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| 21 | */
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| 22 |
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| 23 | #ifndef Phonon_GSTREAMER_AUDIODATAOUTPUT_H
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| 24 | #define Phonon_GSTREAMER_AUDIODATAOUTPUT_H
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| 25 |
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| 26 | #include "abstractaudiooutput.h"
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| 27 | #include "backend.h"
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| 28 | #include "medianode.h"
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| 29 | #include <phonon/audiodataoutput.h>
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| 30 | #include <phonon/audiodataoutputinterface.h>
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| 31 |
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| 32 | QT_BEGIN_HEADER
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| 33 | QT_BEGIN_NAMESPACE
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| 34 |
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| 35 | namespace Phonon
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| 36 | {
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| 37 | namespace Gstreamer
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| 38 | {
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| 39 | /**
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| 40 | * \author Martin Sandsmark <sandsmark@samfundet.no>
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| 41 | */
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| 42 | class AudioDataOutput : public QObject,
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| 43 | public AudioDataOutputInterface,
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| 44 | public MediaNode
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| 45 | {
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| 46 | Q_OBJECT
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| 47 | Q_INTERFACES(Phonon::AudioDataOutputInterface Phonon::Gstreamer::MediaNode)
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| 48 |
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| 49 | public:
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| 50 | AudioDataOutput(Backend *, QObject *);
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| 51 | ~AudioDataOutput();
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| 52 |
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| 53 | public Q_SLOTS:
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| 54 | int dataSize() const;
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| 55 | int sampleRate() const;
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| 56 | void setDataSize(int size);
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| 57 |
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| 58 | public:
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| 59 | /// callback function for handling new audio data
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| 60 | static void processBuffer(GstPad*, GstBuffer*, gpointer);
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| 61 |
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| 62 | Phonon::AudioDataOutput* frontendObject() const { return m_frontend; }
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| 63 | void setFrontendObject(Phonon::AudioDataOutput *frontend) { m_frontend = frontend; }
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| 64 |
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| 65 | GstElement *audioElement() { return m_queue; }
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| 66 |
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| 67 | void mediaNodeEvent(const MediaNodeEvent *event);
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| 68 |
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| 69 |
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| 70 | signals:
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| 71 | void dataReady(const QMap<Phonon::AudioDataOutput::Channel, QVector<qint16> > &data);
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| 72 | void dataReady(const QMap<Phonon::AudioDataOutput::Channel, QVector<float> > &data);
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| 73 | void endOfMedia(int remainingSamples);
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| 74 |
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| 75 | private:
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| 76 | void convertAndEmit(const QVector<qint16>&, const QVector<qint16>&);
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| 77 |
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| 78 | GstElement *m_queue;
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| 79 | int m_dataSize;
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| 80 | QVector<qint16> m_pendingData;
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| 81 | Phonon::AudioDataOutput *m_frontend;
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| 82 | int m_channels;
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| 83 | };
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| 84 | }} //namespace Phonon::Gstreamer
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| 85 |
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| 86 | QT_END_NAMESPACE
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| 87 | QT_END_HEADER
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| 88 |
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| 89 | // vim: sw=4 ts=4 tw=80
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| 90 | #endif // Phonon_FAKE_AUDIODATAOUTPUT_H
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