libjulius/src/m_adin.c

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/*
 * Copyright (c) 1991-2007 Kawahara Lab., Kyoto University
 * Copyright (c) 2000-2005 Shikano Lab., Nara Institute of Science and Technology
 * Copyright (c) 2005-2007 Julius project team, Nagoya Institute of Technology
 * All rights reserved
 */

#include <julius/julius.h>


static boolean
adin_select(ADIn *a, int source, int dev)
{
  switch(source) {
  case SP_RAWFILE:
#ifdef HAVE_LIBSNDFILE
    /* libsndfile interface */
    a->ad_standby          = adin_sndfile_standby;
    a->ad_begin            = adin_sndfile_begin;
    a->ad_end              = adin_sndfile_end;
    a->ad_resume           = NULL;
    a->ad_pause            = NULL;
    a->ad_terminate        = NULL;
    a->ad_read             = adin_sndfile_read;
    a->silence_cut_default = FALSE;
    a->enable_thread       = FALSE;
#else  /* ~HAVE_LIBSNDFILE */
    /* built-in RAW/WAV reader */
    a->ad_standby          = adin_file_standby;
    a->ad_begin            = adin_file_begin;
    a->ad_end              = adin_file_end;
    a->ad_resume           = NULL;
    a->ad_pause            = NULL;
    a->ad_terminate        = NULL;
    a->ad_read             = adin_file_read;
    a->silence_cut_default = FALSE;
    a->enable_thread       = FALSE;
#endif
    break;
#ifdef USE_MIC
  case SP_MIC:
    /* microphone input */
    a->ad_resume           = NULL;
    a->ad_pause            = NULL;
    a->ad_terminate        = NULL;
    a->silence_cut_default = TRUE;
    a->enable_thread       = TRUE;
    switch(dev) {
    case SP_INPUT_DEFAULT:
      a->ad_standby          = adin_mic_standby;
      a->ad_begin            = adin_mic_begin;
      a->ad_end              = adin_mic_end;
      a->ad_read             = adin_mic_read;
      break;
#ifdef HAS_ALSA
    case SP_INPUT_ALSA:
      a->ad_standby          = adin_alsa_standby;
      a->ad_begin            = adin_alsa_begin;
      a->ad_end              = adin_alsa_end;
      a->ad_read             = adin_alsa_read;
      break;
#endif
#ifdef HAS_OSS
    case SP_INPUT_OSS:
      a->ad_standby          = adin_oss_standby;
      a->ad_begin            = adin_oss_begin;
      a->ad_end              = adin_oss_end;
      a->ad_read             = adin_oss_read;
      break;
#endif
#ifdef HAS_ESD
    case SP_INPUT_ESD:
      a->ad_standby          = adin_esd_standby;
      a->ad_begin            = adin_esd_begin;
      a->ad_end              = adin_esd_end;
      a->ad_read             = adin_esd_read;
      break;
#endif
    default:
      jlog("ERROR: m_adin: invalid input device specified\n");
    }
    break;
#endif
#ifdef USE_NETAUDIO
  case SP_NETAUDIO:
    /* DatLink/NetAudio input */
    a->ad_standby          = adin_netaudio_standby;
    a->ad_begin            = adin_netaudio_begin;
    a->ad_end              = adin_netaudio_end;
    a->ad_resume           = NULL;
    a->ad_pause            = NULL;
    a->ad_terminate        = NULL;
    a->ad_read             = adin_netaudio_read;
    a->silence_cut_default = TRUE;
    a->enable_thread       = TRUE;
    break;
#endif
  case SP_ADINNET:
    /* adinnet network input */
    a->ad_standby          = adin_tcpip_standby;
    a->ad_begin            = adin_tcpip_begin;
    a->ad_end              = adin_tcpip_end;
    a->ad_resume           = adin_tcpip_send_resume;
    a->ad_pause            = adin_tcpip_send_pause;
    a->ad_terminate        = adin_tcpip_send_terminate;
    a->ad_read             = adin_tcpip_read;
    a->silence_cut_default = FALSE;
    a->enable_thread       = FALSE;
    break;
  case SP_STDIN:
    /* standard input */
    a->ad_standby          = adin_stdin_standby;
    a->ad_begin            = adin_stdin_begin;
    a->ad_end              = NULL;
    a->ad_resume           = NULL;
    a->ad_pause            = NULL;
    a->ad_terminate        = NULL;
    a->ad_read             = adin_stdin_read;
    a->silence_cut_default = FALSE;
    a->enable_thread       = FALSE;
    break;
  case SP_MFCFILE:
    /* MFC_FILE is not waveform, so special handling on main routine should be done */
    break;
  default:
    return FALSE;
  }

  return TRUE;
}


static boolean
adin_setup_all(ADIn *adin, Jconf *jconf, void *arg)
{

  if (jconf->input.use_ds48to16) {
    if (jconf->input.use_ds48to16 && jconf->input.sfreq != 16000) {
      jlog("ERROR: m_adin: in 48kHz input mode, target sampling rate should be 16k!\n");
      return FALSE;
    }
    /* setup for 1/3 down sampling */
    adin->ds = ds48to16_new();
    adin->down_sample = TRUE;
    /* set device sampling rate to 48kHz */
    if (adin_standby(adin, 48000, arg) == FALSE) { /* fail */
      jlog("ERROR: m_adin: failed to ready input device\n");
      return FALSE;
    }
  } else {
    adin->ds = NULL;
    adin->down_sample = FALSE;
    if (adin_standby(adin, jconf->input.sfreq, arg) == FALSE) { /* fail */
      jlog("ERROR: m_adin: failed to ready input device\n");
      return FALSE;
    }
  }

  /* set parameter for recording/silence detection */
  if (adin_setup_param(adin, jconf) == FALSE) {
    jlog("ERROR: m_adin: failed to set parameter for input device\n");
    return FALSE;
  }

  adin->input_side_segment = FALSE;

  return TRUE;
}

boolean
adin_initialize(Recog *recog)
{
  char *arg = NULL;
  ADIn *adin;
  Jconf *jconf;
#ifdef ENABLE_PLUGIN
  FUNC_INT func;
  int sid;
#endif

  adin = recog->adin;
  jconf = recog->jconf;

  jlog("STAT: ###### initialize input device\n");

  /* select input device: file, mic, netaudio, etc... */
#ifdef ENABLE_PLUGIN
  sid = jconf->input.plugin_source;
  if (sid >= 0) {
    /* set plugin properties and functions to adin */
    func = (FUNC_INT) plugin_get_func(sid, "adin_get_configuration");
    if (func == NULL) {
      jlog("ERROR: invalid plugin: adin_get_configuration() not exist\n");
      return FALSE;
    }
    adin->silence_cut_default = (*func)(1);
    adin->enable_thread = (*func)(2);

    adin->ad_standby       = (boolean (*)(int, void *)) plugin_get_func(sid, "adin_standby");
    adin->ad_begin         = (boolean (*)()) plugin_get_func(sid, "adin_open");
    adin->ad_end           = (boolean (*)()) plugin_get_func(sid, "adin_close");
    adin->ad_resume        = (boolean (*)()) plugin_get_func(sid, "adin_resume");
    adin->ad_pause         = (boolean (*)()) plugin_get_func(sid, "adin_pause");
    adin->ad_terminate     = (boolean (*)()) plugin_get_func(sid, "adin_terminate");
    adin->ad_read          = (int (*)(SP16 *, int)) plugin_get_func(sid, "adin_read");
    if (adin->ad_read == NULL) {
      jlog("ERROR: m_adin: selected plugin has no function adin_read()\n");
      return FALSE;
    }
  } else {
#endif
    /* built-in */
    if (adin_select(adin, jconf->input.speech_input, jconf->input.device) == FALSE) {
      jlog("ERROR: m_adin: failed to select input device\n");
      return FALSE;
    }

    /* set sampling frequency and device-dependent configuration
       (argument is device-dependent) */
    switch(jconf->input.speech_input) {
    case SP_ADINNET:            /* arg: port number */
      arg = mymalloc(100);
      sprintf(arg, "%d", jconf->input.adinnet_port);
      break;
    case SP_RAWFILE:            /* arg: filename of file list (if any) */
      if (jconf->input.inputlist_filename != NULL) {
        arg = mymalloc(strlen(jconf->input.inputlist_filename)+1);
        strcpy(arg, jconf->input.inputlist_filename);
      } else {
        arg = NULL;
      }
      break;
    case SP_STDIN:
      arg = NULL;
      break;
#ifdef USE_NETAUDIO
    case SP_NETAUDIO:           /* netaudio server/port name */
      arg = mymalloc(strlen(jconf->input.netaudio_devname)+1);
      strcpy(arg, jconf->input.netaudio_devname);
      break;
#endif
    }
#ifdef ENABLE_PLUGIN
  }
#endif

  if (adin_setup_all(adin, jconf, arg) == FALSE) {
    return FALSE;
  }

  if (arg != NULL) free(arg);

  return TRUE;
}

/* end of file */

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