common/JackNetOneDriver.h

   1 /*
   2 Copyright (C) 2001 Paul Davis
   3 Copyright (C) 2008 Romain Moret at Grame
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __JackNetDriver__
  22 #define __JackNetDriver__
  23
  24 #include "JackAudioDriver.h"
  25 #include "netjack.h"
  26 #include "netjack_packet.h"
  27
  28 namespace Jack
  29 {
  30     /**
  31     \Brief This class describes the Net Backend
  32     */
  33
  34     class JackNetOneDriver : public JackAudioDriver
  35     {
  36         private:
  37             netjack_driver_state_t netj;
  38
  39 void
  40 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);
  41 void
  42 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 );
  43 #ifdef HAVE_CELT
  44 void
  45 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);
  46 void
  47 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);
  48 #endif
  49 void
  50 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);
  51 void
  52 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);
  53
  54         public:
  55             JackNetOneDriver ( const char* name, const char* alias, JackLockedEngine* engine, JackSynchro* table,
  56                         int port, int mtu, int capture_ports, int playback_ports, int midi_input_ports, int midi_output_ports,
  57                         int sample_rate, int period_size, int resample_factor,
  58                         const char* net_name, uint transport_sync, int bitdepth, int use_autoconfig,
  59                         int latency, int redundancy, int dont_htonl_floats, int always_deadline, int jitter_val );
  60             ~JackNetOneDriver();
  61
  62             int Open ( jack_nframes_t frames_per_cycle, jack_nframes_t rate, bool capturing, bool playing,
  63                        int inchannels, int outchannels, bool monitor, const char* capture_driver_name,
  64                        const char* playback_driver_name, jack_nframes_t capture_latency, jack_nframes_t playback_latency );
  65
  66             int Close();
  67             int Attach();
  68             int Detach();
  69
  70             int Read();
  71             int Write();
  72
  73             bool Initialize();
  74             int AllocPorts();
  75             void FreePorts();
  76
  77             // BufferSize can't be changed
  78             bool IsFixedBufferSize()
  79             {
  80                 return true;
  81             }
  82
  83             int SetBufferSize ( jack_nframes_t buffer_size )
  84             {
  85                 return -1;
  86             }
  87
  88             int SetSampleRate ( jack_nframes_t sample_rate )
  89             {
  90                 return -1;
  91             }
  92
  93     };
  94 }
  95
  96 #endif