source: roaraudio/libroareio/driver.c @ 5381:430b1d26e12d

//driver.c:

/*
 *      Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2009-2012
 *
 *  This file is part of roarclients a part of RoarAudio,
 *  a cross-platform sound system for both, home and professional use.
 *  See README for details.
 *
 *  This file is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License version 3
 *  as published by the Free Software Foundation.
 *
 *  RoarAudio is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this software; see the file COPYING.  If not, write to
 *  the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 */

#include <roaraudio.h>
#include "driver.h"
#include "autodetected.h"

#ifdef ROAR_HAVE_AD_ESDFW
#include "driver_esdfw.h"
#endif

int roar_cdriver_null(struct roar_vio_calls * calls, const char * name, const char * dev, struct roar_audio_info * info, int dir) {
 ROAR_DBG("roar_cdriver_null(calls=%p, name='%s', dev='%s', info=%p{...}, dir=%i(?)) = ?", calls, name, dev, info, dir);

 (void)name, (void)dev, (void)info, (void)dir;

 memset(calls, 0, sizeof(struct roar_vio_calls));
 calls->read  = roar_vio_null_rw;
 calls->write = roar_vio_null_rw;

 ROAR_DBG("roar_cdriver_null(calls=%p, name='%s', dev='%s', info=%p{...}, dir=%i(?)) = 0", calls, name, dev, info, dir);
 return 0;
}

struct roar_cdriver _g_roar_cdriver[] = {
 {"null", roar_cdriver_null},
 {"roar", roar_cdriver_roar},
#if defined(ROAR_HAVE_OSS_BSD) || defined(ROAR_HAVE_OSS)
 {"oss",  roar_cdriver_oss},
#endif
#ifdef ROAR_HAVE_AD_ESDFW
#include "driver_esdfw.c"
#endif
 {NULL, NULL}
};


static int roar_cdriver_open_default(struct roar_vio_calls * calls, const char * dev, struct roar_audio_info * info, int dir) {
 const char * names[] = {
  // native APIs:
  "oss",
  // Virtual APIs:
  "roar",
  // Dummys:
  "null"
 };
 size_t i;
 int ret;

 if ( dev != NULL ) {
  ROAR_WARN("roar_cdriver_open_default(calls=%p, dev='%s', info=%p, dir=%i): Try to open given device without driver name is a bad thing to do. This is normaly a Application error.", calls, dev, info, dir);
 }

 for (i = 0; i < (sizeof(names)/sizeof(*names)); i++) {
  ret = roar_cdriver_open(calls, names[i], dev, info, dir);
  if ( ret != -1 )
   return ret;
 }

 return -1;
}

int roar_cdriver_open(struct roar_vio_calls * calls, const char * name, const char * dev, struct roar_audio_info * info, int dir) {
 int i;
 char *delm;

 if ( name == NULL )
  return roar_cdriver_open_default(calls, dev, info, dir);

 for (i = 0; _g_roar_cdriver[i].name != NULL; i++) {
  ROAR_DBG("roar_cdriver_open(*): _g_roar_cdriver[i].name='%s' <cmp> name='%s'", _g_roar_cdriver[i].name, name);

  if ( !strcmp(_g_roar_cdriver[i].name, name) )
   return _g_roar_cdriver[i].open(calls, name, dev, info, dir);

  if ( (delm = strstr(_g_roar_cdriver[i].name, ":")) != NULL ) {
   ROAR_DBG("roar_cdriver_open(*): delm+1='%s' <cmp> name='%s'", delm+1, name);
   if ( !strcmp(delm+1, name) )
    return _g_roar_cdriver[i].open(calls, name, dev, info, dir);
  }

 }

 return -1;
}

//ll