62 lines
2.0 KiB
C++
62 lines
2.0 KiB
C++
/*
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* Author: Gerald Mwangi 2016
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* gerald.mwangi@gmx.de
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef JACKSENDRETURN_H
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#define JACKSENDRETURN_H
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#include "buffers.hxx"
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#include "audioprocessor.hxx"
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#include <jack/jack.h>
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/// JackSendReturn: This class provides per track send and return jack ports
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/// The send port always sends the output of the previous AudioProcesser
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/// The content of the return channel depends on whether the return jack port is connected:
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/// If it is connected it receives what ever audio comes into it.
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/// If it is not connected, it receives the output of the previous AudioProcessor (it gets what goes into the send port)
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class JackSendReturn: public AudioProcessor
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{
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public:
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//Constructor: the registration of the jack send/return is done here
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JackSendReturn(int trackid,AudioProcessor* prev,jack_client_t* client);
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//The process callback
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virtual void process(unsigned int nframes, Buffers* buffers);
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//Activate the return chain. When _active=true then Buffers::RETURN_TRACK_0+_trackid gets the data
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//from the return port. The send port always send the incoming data
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void activate(bool act);
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void sendVolume(float vol);
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private:
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bool _active;
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float _activeLag;
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float _sendVol;
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float _sendVolLag;
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jack_port_t* _sendPortL;
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jack_port_t* _sendPortR;
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jack_port_t* _returnPortL;
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jack_port_t* _returnPortR;
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int _trackId;
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AudioProcessor* _previousProcessor;
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int _counter;
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};
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#endif
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