text: /*
   * FILE:    audio/capture/none.h
   * AUTHORS: Martin Benes     <martinbenesh@gmail.com>
   *          Lukas Hejtmanek  <xhejtman@ics.muni.cz>
   *          Petr Holub       <hopet@ics.muni.cz>
   *          Milos Liska      <xliska@fi.muni.cz>
   *          Jiri Matela      <matela@ics.muni.cz>
   *          Dalibor Matura   <255899@mail.muni.cz>
   *          Ian Wesley-Smith <iwsmith@cct.lsu.edu>
   *
   * Copyright (c) 2005-2010 CESNET z.s.p.o.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, is permitted provided that the following conditions
   * are met:
   * 
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   * 
   *      This product includes software developed by CESNET z.s.p.o.
   * 
   * 4. Neither the name of CESNET nor the names of its contributors may be used 
   *    to endorse or promote products derived from this software without specific
   *    prior written permission.
   * 
   * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
   * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
   * EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
   * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   *
   */
  
  #ifdef HAVE_CONFIG_H
  #include "config.h"
  #include "config_unix.h"
  #include "config_win32.h"
  #endif
  
  #include "audio/audio_capture.h"
  #include "debug.h"
  #include "lib_common.h"
  #include <assert.h>
  #include <stdlib.h>
  #include <string.h>
  
  #define AUDIO_CAPTURE_NONE_MAGIC 0x43fb99ccu
  
  struct state_audio_capture_none {
          uint32_t magic;
  };
  
  static void audio_cap_none_probe(struct device_info **available_devices, int *count)
  {
          *available_devices = NULL;
          *count = 0;
  }
  
  static void audio_cap_none_help(const char *driver_name)
  {
          UNUSED(driver_name);
  }
  
  static void * audio_cap_none_init(const char *cfg)
  {
          struct state_audio_capture_none *s;
  
          s = (struct state_audio_capture_none *) malloc(sizeof(struct state_audio_capture_none));
          s->magic = AUDIO_CAPTURE_NONE_MAGIC;
          assert(s != 0);
          UNUSED(cfg);
          return s;
  }
  
  static struct audio_frame *audio_cap_none_read(void *state)
  {
          UNUSED(state);
          return NULL;
  }
  
  static void audio_cap_none_done(void *state)
  {
          struct state_audio_capture_none *s = (struct state_audio_capture_none *) state;
  
          assert(s->magic == AUDIO_CAPTURE_NONE_MAGIC);
          free(s);
  }
  
  static const struct audio_capture_info acap_none_info = {
          audio_cap_none_probe,
          audio_cap_none_help,
          audio_cap_none_init,
          audio_cap_none_read,
          audio_cap_none_done
  };
  
  REGISTER_MODULE(none, &acap_none_info, LIBRARY_CLASS_AUDIO_CAPTURE, AUDIO_CAPTURE_ABI_VERSION);
  
  