예제 #1
0
cd_info_t *cddb_parse_xmcd(char *xmcd_file)
{
    cd_info_t *cd_info = NULL;
    int length, pos = 0;
    char *ptr, *ptr2;
    unsigned int audiolen;
    if (xmcd_file == NULL)
        return NULL;

    cd_info = cd_info_new();
    if (cd_info == NULL) {
        return NULL;
    }

    length = strlen(xmcd_file);
    ptr = xmcd_file;
    while (ptr != NULL && pos < length) {
        // Read a line
        ptr2 = ptr;
        while(ptr2[0] != '\0' && ptr2[0] != '\r' && ptr2[0] != '\n')
            ptr2++;
        if (ptr2[0] == '\0') {
            break;
        }
        ptr2[0] = '\0';
        // Ignore comments
        if (ptr[0] != '#') {
            // Search for the album title
            if (xmcd_parse_dtitle(cd_info, ptr))
                ;
            // Search for the genre
            else if (xmcd_parse_dgenre(cd_info, ptr))
                ;
            // Search for a track title
            else if (xmcd_parse_ttitle(cd_info, ptr))
                audiolen++;    // <-- audiolen++ to shut up gcc warning
        }
        if (ptr2[1] == '\n')
            ptr2++;
        pos = (ptr2 + 1) - ptr;
        ptr = ptr2 + 1;
    }

    audiolen = cdtoc[cd_info->nb_tracks].frame-cdtoc[0].frame;
    cd_info->min  = (unsigned int)  (audiolen / (60 * 75));
    cd_info->sec  = (unsigned int) ((audiolen / 75) % 60);
    cd_info->msec = (unsigned int)  (audiolen % 75);

    return cd_info;
}
예제 #2
0
static int open_cdda(stream_t *st,int m, void* opts, int* file_format) {
  struct cdda_params* p = (struct cdda_params*)opts;
  int mode = p->paranoia_mode;
  int offset = p->toc_offset;
#ifndef HAVE_LIBCDIO
  cdrom_drive* cdd = NULL;
#else
  cdrom_drive_t* cdd = NULL;
#endif
  cdda_priv* priv;
  cd_info_t *cd_info,*cddb_info = NULL;
  unsigned int audiolen=0;
  int last_track;
  int i;
  char *xmcd_file = NULL;

  if(m != STREAM_READ) {
    m_struct_free(&stream_opts,opts);
    return STREAM_UNSUPORTED;
  }

  if(!p->device) {
    if (cdrom_device)
      p->device = strdup(cdrom_device);
    else
      p->device = strdup(DEFAULT_CDROM_DEVICE);
  }

#ifdef HAVE_CDDB
  // cdd_identify returns -1 if it cannot read the TOC,
  // in which case there is no point in calling cddb_resolve
  if(cdd_identify(p->device) >= 0 && strncmp(st->url,"cddb",4) == 0) {
    i = cddb_resolve(p->device, &xmcd_file);
    if(i == 0) {
      cddb_info = cddb_parse_xmcd(xmcd_file);
      free(xmcd_file);
    }
  }
#endif
  
#ifndef HAVE_LIBCDIO
  if(p->generic_dev)
    cdd = cdda_identify_scsi(p->generic_dev,p->device,0,NULL);
  else
#endif
#if defined(__NetBSD__)
    cdd = cdda_identify_scsi(p->device,p->device,0,NULL);
#else
    cdd = cdda_identify(p->device,0,NULL);
#endif

  if(!cdd) {
    mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_MPDEMUX_CDDA_CantOpenCDDADevice);
    m_struct_free(&stream_opts,opts);
    free(cddb_info);
    return STREAM_ERROR;
  }

  cdda_verbose_set(cdd, CDDA_MESSAGE_FORGETIT, CDDA_MESSAGE_FORGETIT);

  if(p->sector_size) {
    cdd->nsectors = p->sector_size;
#ifndef HAVE_LIBCDIO
    cdd->bigbuff = p->sector_size * CD_FRAMESIZE_RAW;
#endif
  }

  if(cdda_open(cdd) != 0) {
    mp_msg(MSGT_OPEN,MSGL_ERR,MSGTR_MPDEMUX_CDDA_CantOpenDisc);
    cdda_close(cdd);
    m_struct_free(&stream_opts,opts);
    free(cddb_info);
    return STREAM_ERROR;
  }

  cd_info = cd_info_new();
  mp_msg(MSGT_OPEN,MSGL_INFO,MSGTR_MPDEMUX_CDDA_AudioCDFoundWithNTracks,cdda_tracks(cdd));
  for(i=0;i<cdd->tracks;i++) {
	  char track_name[80];
	  long sec=cdda_track_firstsector(cdd,i+1);
	  long off=cdda_track_lastsector(cdd,i+1)-sec+1;

	  sprintf(track_name, "Track %d", i+1);
	  cd_info_add_track(cd_info, track_name, i+1, (unsigned int)(off/(60*75)), (unsigned int)((off/75)%60), (unsigned int)(off%75), sec, off );
	  audiolen += off;
  }
  cd_info->min  = (unsigned int)(audiolen/(60*75));
  cd_info->sec  = (unsigned int)((audiolen/75)%60);
  cd_info->msec = (unsigned int)(audiolen%75);

  priv = malloc(sizeof(cdda_priv));
  memset(priv, 0, sizeof(cdda_priv));
  priv->cd = cdd;
  priv->cd_info = cd_info;

  if(p->toc_bias)
    offset -= cdda_track_firstsector(cdd,1);

  if(offset) {
    int i;
    for(i = 0 ; i < cdd->tracks + 1 ; i++)
      cdd->disc_toc[i].dwStartSector += offset;
  }

  if(p->speed)
    cdda_speed_set(cdd,p->speed);

  last_track = cdda_tracks(cdd);
  if (p->span.start > last_track) p->span.start = last_track;
  if (p->span.end < p->span.start) p->span.end = p->span.start;
  if (p->span.end > last_track) p->span.end = last_track;
  if(p->span.start)
    priv->start_sector = cdda_track_firstsector(cdd,p->span.start);
  else
    priv->start_sector = cdda_disc_firstsector(cdd);

  if(p->span.end) {
    priv->end_sector = cdda_track_lastsector(cdd,p->span.end);
  } else
    priv->end_sector = cdda_disc_lastsector(cdd);

  priv->cdp = paranoia_init(cdd);
  if(priv->cdp == NULL) {
    cdda_close(cdd);
    free(priv);
    cd_info_free(cd_info);
    m_struct_free(&stream_opts,opts);
    free(cddb_info);
    return STREAM_ERROR;
  }

  if(mode == 0)
    mode = PARANOIA_MODE_DISABLE;
  else if(mode == 1)
    mode = PARANOIA_MODE_OVERLAP;
  else
    mode = PARANOIA_MODE_FULL;
  
  if(p->no_skip)
    mode |= PARANOIA_MODE_NEVERSKIP;
#ifndef HAVE_LIBCDIO
  paranoia_modeset(cdd, mode);

  if(p->search_overlap >= 0)
    paranoia_overlapset(cdd,p->search_overlap);
#else
  paranoia_modeset(priv->cdp, mode);

  if(p->search_overlap >= 0)
    paranoia_overlapset(priv->cdp,p->search_overlap);
#endif

  paranoia_seek(priv->cdp,priv->start_sector,SEEK_SET);
  priv->sector = priv->start_sector;

#ifdef HAVE_CDDB
  if(cddb_info) {
    cd_info_free(cd_info);
    priv->cd_info = cddb_info;
    cd_info_debug( cddb_info );
  }
#endif

  st->priv = priv;
  st->start_pos = priv->start_sector*CD_FRAMESIZE_RAW;
  st->end_pos = priv->end_sector*CD_FRAMESIZE_RAW;
  st->type = STREAMTYPE_CDDA;
  st->sector_size = CD_FRAMESIZE_RAW;

  st->fill_buffer = fill_buffer;
  st->seek = seek;
  st->close = close_cdda;

  *file_format = DEMUXER_TYPE_RAWAUDIO;

  m_struct_free(&stream_opts,opts);

  return STREAM_OK;
}