1 /*  This file is part of the KDE project.

     2 

     3     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

     4 

     5     This library is free software: you can redistribute it and/or modify

     6     it under the terms of the GNU Lesser General Public License as published by

     7     the Free Software Foundation, either version 2.1 or 3 of the License.

     8 

     9     This library is distributed in the hope that it will be useful,

    10     but WITHOUT ANY WARRANTY; without even the implied warranty of

    11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    12     GNU Lesser General Public License for more details.

    13 

    14     You should have received a copy of the GNU Lesser General Public License

    15     along with this library.  If not, see <http://www.gnu.org/licenses/>.

    16 */

    17 

    18 #ifndef Phonon_QT7_AudioConnection_H

    19 #define Phonon_QT7_AudioConnection_H

    20 

    21 #include <QtCore/QObject>

    22 #include "backendheader.h"

    23 

    24 #include <AudioToolbox/AudioToolbox.h>

    25 #include <AudioUnit/AudioUnit.h>

    26 

    27 QT_BEGIN_NAMESPACE

    28 

    29 namespace Phonon

    30 {

    31 namespace QT7

    32 {

    33     class MediaNode;

    34     class AudioNode;

    35     class AudioGraph;

    36 

    37     class AudioConnection {

    38     public:

    39         AudioConnection();

    40         AudioConnection(MediaNode *sink);

    41         AudioConnection(MediaNode *source, int output, MediaNode *sink, int input);

    42 

    43         AudioConnection(AudioNode *sink);

    44         AudioConnection(AudioNode *source, int output, AudioNode *sink, int input);

    45 

    46         ~AudioConnection();

    47 

    48         bool connect(AudioGraph *graph);

    49         bool disconnect(AudioGraph *graph);

    50 

    51         bool updateStreamSpecification();

    52         bool isBetween(MediaNode *source, MediaNode *sink);

    53         bool isValid();

    54         bool isSinkOnly();

    55         void freeMemoryAllocations();

    56         void invalidate();

    57         

    58         MediaNode *m_source;

    59         AudioNode *m_sourceAudioNode;

    60         int m_sourceOutputBus;

    61 

    62         MediaNode *m_sink;

    63         AudioNode *m_sinkAudioNode;

    64         int m_sinkInputBus;

    65 

    66         AudioChannelLayout *m_sourceChannelLayout;

    67     	UInt32 m_sourceChannelLayoutSize;

    68 

    69         AudioChannelLayout *m_sinkChannelLayout;

    70     	UInt32 m_sinkChannelLayoutSize;

    71 

    72         AudioStreamBasicDescription m_sourceStreamDescription;

    73         AudioStreamBasicDescription m_sinkStreamDescription;

    74 

    75         bool m_hasSourceSpecification;

    76         bool m_hasSinkSpecification;

    77         bool m_connected;

    78     };

    79 

    80 }} // namespace Phonon::QT7

    81 

    82 QT_END_NAMESPACE

    83 

    84 #endif // Phonon_QT7_AudioConnection_H