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
  25 namespace Jack
  26 {
  27
  28     /*!
  29     \brief Audio adapter : Jack client side.
  30     */
  31
  32     class JackAudioAdapter
  33     {
  34         private:
  35
  36             static int Process ( jack_nframes_t, void* arg );
  37             static int BufferSize ( jack_nframes_t buffer_size, void *arg );
  38             static int SampleRate ( jack_nframes_t sample_rate, void *arg );
  39
  40             int fCaptureChannels;
  41             int fPlaybackChannels;
  42
  43             JackResampler** fCaptureRingBuffer;
  44             JackResampler** fPlaybackRingBuffer;
  45
  46             jack_port_t** fCapturePortList;
  47             jack_port_t** fPlaybackPortList;
  48
  49             jack_client_t* fJackClient;
  50             JackAudioAdapterInterface* fAudioAdapter;
  51
  52             void FreePorts();
  53             void Reset();
  54
  55         public:
  56
  57             JackAudioAdapter ( jack_client_t* jack_client, JackAudioAdapterInterface* audio_io ) :
  58                     fJackClient ( jack_client ), fAudioAdapter ( audio_io )
  59             {}
  60             ~JackAudioAdapter();
  61
  62             int Open();
  63             int Close();
  64     };
  65
  66 }
  67
  68 #endif