jack2/common/JackNetOneDriver.h

/*
Copyright (C) 2001 Paul Davis
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 __JackNetDriver__
#define __JackNetDriver__

#include "JackAudioDriver.h"
#include "netjack.h"
#include "netjack_packet.h"

namespace Jack
{
    /**
    \Brief This class describes the Net Backend
    */

    class JackNetOneDriver : public JackAudioDriver
    {
        private:

            netjack_driver_state_t netj;

            void
            render_payload_to_jack_ports_float ( void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes, int dont_htonl_floats);
            void
            render_jack_ports_to_payload_float (JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up, int dont_htonl_floats );
            #ifdef HAVE_CELT
            void
            render_payload_to_jack_ports_celt (void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes);
            void
            render_jack_ports_to_payload_celt (JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up);
            #endif
            void
            render_payload_to_jack_ports (int bitdepth, void *packet_payload, jack_nframes_t net_period_down, JSList *capture_ports, JSList *capture_srcs, jack_nframes_t nframes, int dont_htonl_floats);
            void
            render_jack_ports_to_payload (int bitdepth, JSList *playback_ports, JSList *playback_srcs, jack_nframes_t nframes, void *packet_payload, jack_nframes_t net_period_up, int dont_htonl_floats);

        public:

            JackNetOneDriver ( const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table,
                int port, int mtu, int capture_ports, int playback_ports, int midi_input_ports, int midi_output_ports,
                int sample_rate, int period_size, int resample_factor,
                const char* net_name, uint transport_sync, int bitdepth, int use_autoconfig,
                int latency, int redundancy, int dont_htonl_floats, int always_deadline, int jitter_val );
                ~JackNetOneDriver();

            int Open ( jack_nframes_t frames_per_cycle, jack_nframes_t rate, bool capturing, bool playing,
                       int inchannels, int outchannels, bool monitor, const char* capture_driver_name,
                       const char* playback_driver_name, jack_nframes_t capture_latency, jack_nframes_t playback_latency );

            int Close();
            int Attach();
            int Detach();

            int Read();
            int Write();

            bool Initialize();
            int AllocPorts();
            void FreePorts();

            // BufferSize can't be changed
            bool IsFixedBufferSize()
            {
                return true;
            }

            int SetBufferSize ( jack_nframes_t buffer_size )
            {
                return -1;
            }

            int SetSampleRate ( jack_nframes_t sample_rate )
            {
                return -1;
            }

    };
}

#endif