common/JackAudioAdapterFactory.cpp

   1 /*
   2 Copyright (C) 2008-2012 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 #include "JackAudioAdapter.h"
  21 #include "JackPlatformPlug.h"
  22 #include "JackArgParser.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <assert.h>
  27
  28 #ifdef __APPLE__
  29 #include "JackCoreAudioAdapter.h"
  30 #define JackPlatformAdapter JackCoreAudioAdapter
  31 #endif
  32
  33 #ifdef __linux__
  34 #include "JackAlsaAdapter.h"
  35 #define JackPlatformAdapter JackAlsaAdapter
  36 #endif
  37
  38 #if defined(__sun__) || defined(sun) || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
  39 #include "JackOSSAdapter.h"
  40 #define JackPlatformAdapter JackOSSAdapter
  41 #endif
  42
  43 #ifdef WIN32
  44 #include "JackPortAudioAdapter.h"
  45 #define JackPlatformAdapter JackPortAudioAdapter
  46 #endif
  47
  48 #ifdef __cplusplus
  49 extern "C"
  50 {
  51 #endif
  52
  53     using namespace Jack;
  54
  55     SERVER_EXPORT int jack_internal_initialize(jack_client_t* jack_client, const JSList* params)
  56     {
  57         jack_log("Loading audioadapter");
  58
  59         Jack::JackAudioAdapter* adapter;
  60         jack_nframes_t buffer_size = jack_get_buffer_size(jack_client);
  61         jack_nframes_t sample_rate = jack_get_sample_rate(jack_client);
  62
  63         try {
  64
  65             adapter = new Jack::JackAudioAdapter(jack_client, new Jack::JackPlatformAdapter(buffer_size, sample_rate, params), params);
  66             assert(adapter);
  67
  68             if (adapter->Open() == 0) {
  69                 return 0;
  70             } else {
  71                 delete adapter;
  72                 return 1;
  73             }
  74
  75         } catch (...) {
  76             jack_info("audioadapter allocation error");
  77             return 1;
  78         }
  79     }
  80
  81     SERVER_EXPORT int jack_initialize(jack_client_t* jack_client, const char* load_init)
  82     {
  83         JSList* params = NULL;
  84         bool parse_params = true;
  85         int res = 1;
  86         jack_driver_desc_t* desc = jack_get_descriptor();
  87
  88         Jack::JackArgParser parser(load_init);
  89         if (parser.GetArgc() > 0) {
  90             parse_params = parser.ParseParams(desc, &params);
  91         }
  92
  93         if (parse_params) {
  94             res = jack_internal_initialize(jack_client, params);
  95             parser.FreeParams(params);
  96         }
  97         return res;
  98     }
  99
 100     SERVER_EXPORT void jack_finish(void* arg)
 101     {
 102         Jack::JackAudioAdapter* adapter = static_cast<Jack::JackAudioAdapter*>(arg);
 103
 104         if (adapter) {
 105             jack_log("Unloading audioadapter");
 106             adapter->Close();
 107             delete adapter;
 108         }
 109     }
 110
 111 #ifdef __cplusplus
 112 }
 113 #endif