common/JackAudioAdapter.h

   1 /*
   2 Copyright (C) 2008 Grame
   3
   4 This program is free software; you can redistribute it and/or modify
   5 it under the terms of the GNU General Public License as published by
   6 the Free Software Foundation; either version 2 of the License, or
   7 (at your option) any later version.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program; if not, write to the Free Software
  16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #ifndef __JackAudioAdapter__
  21 #define __JackAudioAdapter__
  22
  23 #include "JackAudioAdapterInterface.h"
  24 #include "driver_interface.h"
  25
  26 namespace Jack
  27 {
  28
  29     /*!
  30     \brief Audio adapter : Jack client side.
  31     */
  32
  33     class JackAudioAdapter
  34     {
  35         private:
  36
  37             static int Process(jack_nframes_t, void* arg);
  38             static int BufferSize(jack_nframes_t buffer_size, void* arg);
  39             static int SampleRate(jack_nframes_t sample_rate, void* arg);
  40             static void Latency(jack_latency_callback_mode_t mode, void* arg);
  41
  42             jack_port_t** fCapturePortList;
  43             jack_port_t** fPlaybackPortList;
  44
  45             jack_default_audio_sample_t** fInputBufferList;
  46             jack_default_audio_sample_t** fOutputBufferList;
  47
  48             jack_client_t* fClient;
  49             JackAudioAdapterInterface* fAudioAdapter;
  50             bool fAutoConnect;
  51
  52             void FreePorts();
  53             void ConnectPorts();
  54             void Reset();
  55             int ProcessAux(jack_nframes_t frames);
  56
  57         public:
  58
  59             JackAudioAdapter(jack_client_t* client, JackAudioAdapterInterface* audio_io, const JSList* params = NULL);
  60             ~JackAudioAdapter();
  61
  62             int Open();
  63             int Close();
  64     };
  65
  66 }
  67
  68 #define CaptureDriverFlags  static_cast<JackPortFlags>(JackPortIsOutput | JackPortIsPhysical | JackPortIsTerminal)
  69 #define PlaybackDriverFlags static_cast<JackPortFlags>(JackPortIsInput | JackPortIsPhysical | JackPortIsTerminal)
  70
  71 #endif