jack2/common/JackNetAdapter.h

/*
Copyright (C) 2008 Romain Moret at Grame

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __JackNetAdapter__
#define __JackNetAdapter__

#include <assert.h>
#include "JackAudioAdapterInterface.h"
#include "JackPlatformPlug.h"
#include "JackNetInterface.h"

namespace Jack
{

    /*!
    \brief Net adapter.
    */

    class JackNetAdapter : public JackAudioAdapterInterface, public JackNetSlaveInterface, public JackRunnableInterface
    {
    private:
        //jack data
        jack_client_t* fJackClient;

        //transport data
        int fLastTransportState;
        int fLastTimebaseMaster;
        net_transport_data_t fSendTransportData;
        net_transport_data_t fReturnTransportData;

        //sample buffers
        sample_t** fSoftCaptureBuffer;
        sample_t** fSoftPlaybackBuffer;

        //adapter thread
        JackThread fThread;

        //transport
        int EncodeTransportData();
        int DecodeTransportData();

        //sync packet
        int EncodeSyncPacket();
        int DecodeSyncPacket();

    public:

        JackNetAdapter ( jack_client_t* jack_client, jack_nframes_t buffer_size, jack_nframes_t sample_rate, const JSList* params );
        ~JackNetAdapter();

        int Open();
        int Close();

        int SetBufferSize ( jack_nframes_t buffer_size );

        bool Init();
        bool Execute();

        int Read();
        int Write();

        int Process();
    };
}

#endif