src/fluid_adriver.c

00001 /* FluidSynth - A Software Synthesizer
00002  *
00003  * Copyright (C) 2003  Peter Hanappe and others.
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public License
00007  * as published by the Free Software Foundation; either version 2 of
00008  * the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful, but
00011  * WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public
00016  * License along with this library; if not, write to the Free
00017  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018  * 02111-1307, USA
00019  */
00020 
00021 #include "fluid_adriver.h"
00022 #include "fluid_settings.h"
00023 
00024 /*
00025  * fluid_adriver_definition_t
00026  */
00027 
00028 typedef struct _fluid_audriver_definition_t
00029 {
00030   char* name;
00031   fluid_audio_driver_t* (*new)(fluid_settings_t* settings, fluid_synth_t* synth);
00032   fluid_audio_driver_t* (*new2)(fluid_settings_t* settings,
00033                                 fluid_audio_func_t func,
00034                                 void* data);
00035   int (*free)(fluid_audio_driver_t* driver);
00036   void (*settings)(fluid_settings_t* settings);
00037 } fluid_audriver_definition_t;
00038 
00039 
00040 
00041 #if ALSA_SUPPORT
00042 fluid_audio_driver_t* new_fluid_alsa_audio_driver(fluid_settings_t* settings,
00043                                                   fluid_synth_t* synth);
00044 fluid_audio_driver_t* new_fluid_alsa_audio_driver2(fluid_settings_t* settings,
00045                                                  fluid_audio_func_t func, void* data);
00046 int delete_fluid_alsa_audio_driver(fluid_audio_driver_t* p);
00047 void fluid_alsa_audio_driver_settings(fluid_settings_t* settings);
00048 #endif
00049 
00050 #if OSS_SUPPORT
00051 fluid_audio_driver_t* new_fluid_oss_audio_driver(fluid_settings_t* settings,
00052                                                  fluid_synth_t* synth);
00053 fluid_audio_driver_t* new_fluid_oss_audio_driver2(fluid_settings_t* settings,
00054                                                 fluid_audio_func_t func, void* data);
00055 int delete_fluid_oss_audio_driver(fluid_audio_driver_t* p);
00056 void fluid_oss_audio_driver_settings(fluid_settings_t* settings);
00057 #endif
00058 
00059 #if COREAUDIO_SUPPORT
00060 fluid_audio_driver_t* new_fluid_core_audio_driver(fluid_settings_t* settings,
00061                                                   fluid_synth_t* synth);
00062 fluid_audio_driver_t* new_fluid_core_audio_driver2(fluid_settings_t* settings,
00063                                                       fluid_audio_func_t func,
00064                                                       void* data);
00065 int delete_fluid_core_audio_driver(fluid_audio_driver_t* p);
00066 void fluid_core_audio_driver_settings(fluid_settings_t* settings);
00067 #endif
00068 
00069 #if DSOUND_SUPPORT
00070 fluid_audio_driver_t* new_fluid_dsound_audio_driver(fluid_settings_t* settings,
00071                                                   fluid_synth_t* synth);
00072 int delete_fluid_dsound_audio_driver(fluid_audio_driver_t* p);
00073 void fluid_dsound_audio_driver_settings(fluid_settings_t* settings);
00074 #endif
00075 
00076 #if PORTAUDIO_SUPPORT
00077 fluid_audio_driver_t* new_fluid_portaudio_driver(fluid_settings_t* settings,
00078                                                  fluid_synth_t* synth);
00079 int delete_fluid_portaudio_driver(fluid_audio_driver_t* p);
00080 #endif
00081 
00082 #if JACK_SUPPORT
00083 fluid_audio_driver_t* new_fluid_jack_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth);
00084 fluid_audio_driver_t* new_fluid_jack_audio_driver2(fluid_settings_t* settings,
00085                                                  fluid_audio_func_t func, void* data);
00086 int delete_fluid_jack_audio_driver(fluid_audio_driver_t* p);
00087 void fluid_jack_audio_driver_settings(fluid_settings_t* settings);
00088 #endif
00089 
00090 #if SNDMAN_SUPPORT
00091 fluid_audio_driver_t* new_fluid_sndmgr_audio_driver(fluid_settings_t* settings,
00092                                                   fluid_synth_t* synth);
00093 fluid_audio_driver_t* new_fluid_sndmgr_audio_driver2(fluid_settings_t* settings,
00094                                                    fluid_audio_func_t func,
00095                                                    void* data);
00096 int delete_fluid_sndmgr_audio_driver(fluid_audio_driver_t* p);
00097 #endif
00098 
00099 #define AUFILE_SUPPORT 1
00100 #if AUFILE_SUPPORT
00101 fluid_audio_driver_t* new_fluid_file_audio_driver(fluid_settings_t* settings,
00102                                                   fluid_synth_t* synth);
00103 int delete_fluid_file_audio_driver(fluid_audio_driver_t* p);
00104 void fluid_file_audio_driver_settings(fluid_settings_t* settings);
00105 #endif
00106 
00107 fluid_audriver_definition_t fluid_audio_drivers[] = {
00108 #if OSS_SUPPORT
00109   { "oss",
00110     new_fluid_oss_audio_driver,
00111     new_fluid_oss_audio_driver2,
00112     delete_fluid_oss_audio_driver,
00113     fluid_oss_audio_driver_settings },
00114 #endif
00115 #if ALSA_SUPPORT
00116   { "alsa",
00117     new_fluid_alsa_audio_driver,
00118     new_fluid_alsa_audio_driver2,
00119     delete_fluid_alsa_audio_driver,
00120     fluid_alsa_audio_driver_settings },
00121 #endif
00122 #if COREAUDIO_SUPPORT
00123   { "coreaudio",
00124     new_fluid_core_audio_driver,
00125     new_fluid_core_audio_driver2,
00126     delete_fluid_core_audio_driver,
00127     fluid_core_audio_driver_settings },
00128 #endif
00129 #if DSOUND_SUPPORT
00130   { "dsound",
00131     new_fluid_dsound_audio_driver,
00132     NULL,
00133     delete_fluid_dsound_audio_driver,
00134     fluid_dsound_audio_driver_settings },
00135 #endif
00136 #if PORTAUDIO_SUPPORT
00137   { "portaudio",
00138     new_fluid_portaudio_driver,
00139     NULL,
00140     delete_fluid_portaudio_driver,
00141     NULL },
00142 #endif
00143 #if SNDMAN_SUPPORT
00144   { "sndman",
00145     new_fluid_sndmgr_audio_driver,
00146     new_fluid_sndmgr_audio_driver2,
00147     delete_fluid_sndmgr_audio_driver,
00148     NULL },
00149 #endif
00150 #if JACK_SUPPORT
00151   { "jack",
00152     new_fluid_jack_audio_driver,
00153     new_fluid_jack_audio_driver2,
00154     delete_fluid_jack_audio_driver,
00155     fluid_jack_audio_driver_settings },
00156 #endif
00157 #if AUFILE_SUPPORT
00158   { "file",
00159     new_fluid_file_audio_driver,
00160     NULL,
00161     delete_fluid_file_audio_driver,
00162     fluid_file_audio_driver_settings },
00163 #endif
00164   { NULL, NULL, NULL, NULL, NULL }
00165 };
00166 
00167 
00168 
00169 
00170 void fluid_audio_driver_settings(fluid_settings_t* settings)
00171 {
00172   int i;
00173 
00174   fluid_settings_register_str(settings, "audio.sample-format", "16bits", 0, NULL, NULL);
00175   fluid_settings_add_option(settings, "audio.sample-format", "16bits");
00176   fluid_settings_add_option(settings, "audio.sample-format", "float");
00177 
00178   fluid_settings_register_int(settings, "audio.output-channels", 2, 2, 32, 0, NULL, NULL);
00179   fluid_settings_register_int(settings, "audio.input-channels", 0, 0, 2, 0, NULL, NULL);
00180 
00181 
00182 #if defined(WIN32)
00183   fluid_settings_register_int(settings, "audio.period-size", 512, 64, 8192, 0, NULL, NULL);
00184   fluid_settings_register_int(settings, "audio.periods", 8, 2, 64, 0, NULL, NULL);
00185 #elif defined(MACOS9)
00186   fluid_settings_register_int(settings, "audio.period-size", 64, 64, 8192, 0, NULL, NULL);
00187   fluid_settings_register_int(settings, "audio.periods", 8, 2, 64, 0, NULL, NULL);
00188 #else
00189   fluid_settings_register_int(settings, "audio.period-size", 64, 64, 8192, 0, NULL, NULL);
00190   fluid_settings_register_int(settings, "audio.periods", 16, 2, 64, 0, NULL, NULL);
00191 #endif
00192 
00193   /* Set the default driver */
00194 #if ALSA_SUPPORT
00195   fluid_settings_register_str(settings, "audio.driver", "alsa", 0, NULL, NULL);
00196 #elif OSS_SUPPORT
00197   fluid_settings_register_str(settings, "audio.driver", "oss", 0, NULL, NULL);
00198 #elif COREAUDIO_SUPPORT
00199   fluid_settings_register_str(settings, "audio.driver", "coreaudio", 0, NULL, NULL);
00200 #elif DSOUND_SUPPORT
00201   fluid_settings_register_str(settings, "audio.driver", "dsound", 0, NULL, NULL);
00202 #elif SNDMAN_SUPPORT
00203   fluid_settings_register_str(settings, "audio.driver", "sndman", 0, NULL, NULL);
00204 #elif PORTAUDIO_SUPPORT
00205   fluid_settings_register_str(settings, "audio.driver", "portaudio", 0, NULL, NULL);
00206 #elif JACK_SUPPORT
00207   fluid_settings_register_str(settings, "audio.driver", "jack", 0, NULL, NULL);
00208 #elif AUFILE_SUPPORT
00209   fluid_settings_register_str(settings, "audio.driver", "file", 0, NULL, NULL);
00210 #else
00211   fluid_settings_register_str(settings, "audio.driver", "", 0, NULL, NULL);
00212 #endif
00213 
00214   /* Add all drivers to the list of options */
00215 #if ALSA_SUPPORT
00216   fluid_settings_add_option(settings, "audio.driver", "alsa");
00217 #endif
00218 #if OSS_SUPPORT
00219   fluid_settings_add_option(settings, "audio.driver", "oss");
00220 #endif
00221 #if COREAUDIO_SUPPORT
00222   fluid_settings_add_option(settings, "audio.driver", "coreaudio");
00223 #endif
00224 #if DSOUND_SUPPORT
00225   fluid_settings_add_option(settings, "audio.driver", "dsound");
00226 #endif
00227 #if SNDMAN_SUPPORT
00228   fluid_settings_add_option(settings, "audio.driver", "sndman");
00229 #endif
00230 #if PORTAUDIO_SUPPORT
00231   fluid_settings_add_option(settings, "audio.driver", "portaudio");
00232 #endif
00233 #if JACK_SUPPORT
00234   fluid_settings_add_option(settings, "audio.driver", "jack");
00235 #endif
00236 #if AUFILE_SUPPORT
00237   fluid_settings_add_option(settings, "audio.driver", "file");
00238 #endif
00239 
00240   for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
00241     if (fluid_audio_drivers[i].settings != NULL) {
00242       fluid_audio_drivers[i].settings(settings);
00243     }
00244   }
00245 }
00246 
00247 
00258 fluid_audio_driver_t*
00259 new_fluid_audio_driver(fluid_settings_t* settings, fluid_synth_t* synth)
00260 {
00261   int i;
00262   fluid_audio_driver_t* driver = NULL;
00263   char* name;
00264 
00265   fluid_settings_getstr(settings, "audio.driver", &name);
00266 
00267   for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
00268     if (fluid_settings_str_equal(settings, "audio.driver", fluid_audio_drivers[i].name)) {
00269       FLUID_LOG(FLUID_DBG, "Using '%s' audio driver", fluid_audio_drivers[i].name);
00270       driver = (*fluid_audio_drivers[i].new)(settings, synth);
00271       if (driver) {
00272         driver->name = fluid_audio_drivers[i].name;
00273       }
00274       return driver;
00275     }
00276   }
00277 
00278   FLUID_LOG(FLUID_ERR, "Couldn't find the requested audio driver: %s", name);
00279   return NULL;
00280 }
00281 
00295 fluid_audio_driver_t*
00296 new_fluid_audio_driver2(fluid_settings_t* settings, fluid_audio_func_t func, void* data)
00297 {
00298   int i;
00299   fluid_audio_driver_t* driver = NULL;
00300   char* name;
00301 
00302   fluid_settings_getstr(settings, "audio.driver", &name);
00303 
00304   for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
00305     if (fluid_settings_str_equal(settings, "audio.driver", fluid_audio_drivers[i].name) &&
00306         (fluid_audio_drivers[i].new2 != NULL)) {
00307       FLUID_LOG(FLUID_DBG, "Using '%s' audio driver", fluid_audio_drivers[i].name);
00308       driver = (*fluid_audio_drivers[i].new2)(settings, func, data);
00309       if (driver) {
00310         driver->name = fluid_audio_drivers[i].name;
00311       }
00312       return driver;
00313     }
00314   }
00315 
00316   FLUID_LOG(FLUID_ERR, "Couldn't find the requested audio driver: %s", name);
00317   return NULL;
00318 }
00319 
00326 void
00327 delete_fluid_audio_driver(fluid_audio_driver_t* driver)
00328 {
00329   int i;
00330 
00331   for (i = 0; fluid_audio_drivers[i].name != NULL; i++) {
00332     if (fluid_audio_drivers[i].name == driver->name) {
00333       fluid_audio_drivers[i].free(driver);
00334       return;
00335     }
00336   }
00337 }

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