Esempi in C++ (Cpp) per gst_vcdsrc_recalculate

Esempio n. 1

File: vcdsrc.c Progetto: lubing521/gst-embedded-builder

static void
gst_vcdsrc_set_property (GObject * object, guint prop_id, const GValue * value,
    GParamSpec * pspec)
{
  GstVCDSrc *src;

  src = GST_VCDSRC (object);

  switch (prop_id) {
    case PROP_DEVICE:
      g_free (src->device);
      src->device = g_value_dup_string (value);
      break;
    case PROP_TRACK:
      if (g_value_get_int (value) >= 1 &&
          g_value_get_int (value) < src->numtracks) {
        src->track = g_value_get_int (value);
        gst_vcdsrc_recalculate (src);
      }
      break;
    case PROP_MAX_ERRORS:
      src->max_errors = g_value_get_int (value);
      break;
    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
      break;
  }
}

Esempio n. 2

File: vcdsrc.c Progetto: bilboed/gst-plugins-bad

/* open the file, necessary to go to RUNNING state */
static gboolean
gst_vcdsrc_start (GstBaseSrc * bsrc)
{
  int i;
  GstVCDSrc *src = GST_VCDSRC (bsrc);

  /* open the device */
  src->fd = open (src->device, O_RDONLY);
  if (src->fd < 0)
    goto open_failed;

  /* read the table of contents */
  if (ioctl (src->fd, CDROMREADTOCHDR, &src->tochdr))
    goto toc_failed;

  /* allocate enough track structs for disk */
  src->numtracks = (src->tochdr.cdth_trk1 - src->tochdr.cdth_trk0) + 1;
  src->tracks = g_new (struct cdrom_tocentry, src->numtracks + 1);

  /* read each track entry */
  for (i = 0; i <= src->numtracks; i++) {
    src->tracks[i].cdte_track = i == src->numtracks ? CDROM_LEADOUT : i + 1;
    src->tracks[i].cdte_format = CDROM_MSF;
    if (ioctl (src->fd, CDROMREADTOCENTRY, &src->tracks[i]))
      goto toc_entry_failed;

    GST_DEBUG ("track %d begins at %d:%02d.%02d", i,
        src->tracks[i].cdte_addr.msf.minute,
        src->tracks[i].cdte_addr.msf.second,
        src->tracks[i].cdte_addr.msf.frame);
  }

  src->curoffset = 0;

  gst_vcdsrc_recalculate (src);

  return TRUE;

  /* ERRORS */
open_failed:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
    return FALSE;
  }
toc_failed:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
    close (src->fd);
    return FALSE;
  }
toc_entry_failed:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
    g_free (src->tracks);
    close (src->fd);
    return FALSE;
  }
}

Esempio n. 3

File: vcdsrc.c Progetto: lubing521/gst-embedded-builder

/* open the file, necessary to go to RUNNING state */
static gboolean
gst_vcdsrc_start (GstBaseSrc * bsrc)
{
  int i;
  GstVCDSrc *src = GST_VCDSRC (bsrc);
  struct stat buf;

  /* open the device */
  src->fd = open (src->device, O_RDONLY);
  if (src->fd < 0)
    goto open_failed;

  if (fstat (src->fd, &buf) < 0)
    goto toc_failed;
  /* If it's not a block device, then we need to try and
   * parse the cue file if there is one
   * FIXME implement */
  if (!S_ISBLK (buf.st_mode)) {
    GST_DEBUG ("Reading CUE files not handled yet, cannot process %s",
        GST_STR_NULL (src->device));
    goto toc_failed;
  }

  /* read the table of contents */
  if (ioctl (src->fd, CDROMREADTOCHDR, &src->tochdr))
    goto toc_failed;

  /* allocate enough track structs for disk */
  src->numtracks = (src->tochdr.cdth_trk1 - src->tochdr.cdth_trk0) + 1;
  src->tracks = g_new (struct cdrom_tocentry, src->numtracks + 1);

  /* read each track entry */
  for (i = 0; i <= src->numtracks; i++) {
    src->tracks[i].cdte_track = i == src->numtracks ? CDROM_LEADOUT : i + 1;
    src->tracks[i].cdte_format = CDROM_MSF;
    if (ioctl (src->fd, CDROMREADTOCENTRY, &src->tracks[i]))
      goto toc_entry_failed;

    GST_DEBUG ("track %d begins at %d:%02d.%02d", i,
        src->tracks[i].cdte_addr.msf.minute,
        src->tracks[i].cdte_addr.msf.second,
        src->tracks[i].cdte_addr.msf.frame);
  }

  src->curoffset = 0;

  gst_vcdsrc_recalculate (src);

  return TRUE;

  /* ERRORS */
open_failed:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
    return FALSE;
  }
toc_failed:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
    close (src->fd);
    return FALSE;
  }
toc_entry_failed:
  {
    GST_ELEMENT_ERROR (src, RESOURCE, OPEN_READ, (NULL), GST_ERROR_SYSTEM);
    g_free (src->tracks);
    close (src->fd);
    return FALSE;
  }
}