53 lines
2.1 KiB
C++
53 lines
2.1 KiB
C++
/******************************************************************************
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QtAV: Multimedia framework based on Qt and FFmpeg
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Copyright (C) 2012-2016 Wang Bin <wbsecg1@gmail.com>
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* This file is part of QtAV (from 2015)
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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******************************************************************************/
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#include "AudioOutputBackend.h"
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#include "mkid.h"
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#include "factory.h"
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namespace FAV {
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//TODO: block internally
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static const char kName[] = "null";
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class AudioOutputNull : public AudioOutputBackend
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{
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public:
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AudioOutputNull(QObject *parent = 0);
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QString name() const Q_DECL_OVERRIDE { return QLatin1String(kName);}
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QString status() const Q_DECL_OVERRIDE {return "";};
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bool open() Q_DECL_OVERRIDE { return true;}
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bool close() Q_DECL_OVERRIDE { return true;}
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// TODO: check channel layout. Null supports channels>2
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BufferControl bufferControl() const Q_DECL_OVERRIDE { return Blocking;}
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bool write(const QByteArray&) Q_DECL_OVERRIDE { return true;}
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bool play() Q_DECL_OVERRIDE { return true;}
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};
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typedef AudioOutputNull AudioOutputBackendNull;
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static const AudioOutputBackendId AudioOutputBackendId_Null = mkid::id32base36_4<'n', 'u', 'l', 'l'>::value;
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FACTORY_REGISTER(AudioOutputBackend, Null, kName)
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AudioOutputNull::AudioOutputNull(QObject *parent)
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: AudioOutputBackend(AudioOutput::DeviceFeatures(), parent)
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{}
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} //namespace FAV
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