Ejemplo n.º 1
0
static void
gst_cd_foo_src_class_init (GstCdFooSrcClass * klass)
{
  GstAudioCdSrcClass *audiocdsrc_class = GST_AUDIO_CD_SRC_CLASS (klass);
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);

  gst_element_class_set_metadata (element_class,
      "CD Audio (cdda) Source, FooBar", "Source/File",
      "Read audio from CD", "Foo Bar <*****@*****.**>");

  audiocdsrc_class->open = gst_cd_foo_src_open;
  audiocdsrc_class->close = gst_cd_foo_src_close;
  audiocdsrc_class->read_sector = gst_cd_foo_src_read_sector;
}
static void
gst_cd_paranoia_src_class_init (GstCdParanoiaSrcClass * klass)
{
  GstAudioCdSrcClass *audiocdsrc_class = GST_AUDIO_CD_SRC_CLASS (klass);
  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);

  gobject_class->set_property = gst_cd_paranoia_src_set_property;
  gobject_class->get_property = gst_cd_paranoia_src_get_property;
  gobject_class->finalize = gst_cd_paranoia_src_finalize;

  gst_element_class_set_static_metadata (element_class,
      "CD Audio (cdda) Source, Paranoia IV", "Source/File",
      "Read audio from CD in paranoid mode",
      "Erik Walthinsen <*****@*****.**>, Wim Taymans <*****@*****.**>");

  audiocdsrc_class->open = gst_cd_paranoia_src_open;
  audiocdsrc_class->close = gst_cd_paranoia_src_close;
  audiocdsrc_class->read_sector = gst_cd_paranoia_src_read_sector;

  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_GENERIC_DEVICE,
      g_param_spec_string ("generic-device", "Generic device",
          "Use specified generic scsi device", DEFAULT_GENERIC_DEVICE,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_READ_SPEED,
      g_param_spec_int ("read-speed", "Read speed",
          "Read from device at specified speed (-1 and 0 = full speed)",
          -1, G_MAXINT, DEFAULT_READ_SPEED,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_PARANOIA_MODE,
      g_param_spec_flags ("paranoia-mode", "Paranoia mode",
          "Type of checking to perform", GST_TYPE_CD_PARANOIA_MODE,
          DEFAULT_PARANOIA_MODE, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_SEARCH_OVERLAP,
      g_param_spec_int ("search-overlap", "Search overlap",
          "Force minimum overlap search during verification to n sectors", -1,
          75, DEFAULT_SEARCH_OVERLAP,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
  /**
   * GstCdParanoiaSrc:cache-size:
   *
   * Set CD cache size to n sectors (-1 = auto)
   */
  g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_CACHE_SIZE,
      g_param_spec_int ("cache-size", "Cache size",
          "Set CD cache size to n sectors (-1 = auto)", -1,
          G_MAXINT, DEFAULT_CACHE_SIZE,
          G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));

  /* FIXME: we don't really want signals for this, but messages on the bus,
   * but then we can't check any longer whether anyone is interested in them */
  /**
   * GstCdParanoiaSrc::transport-error:
   * @cdparanoia: The CdParanoia instance
   * @sector: The sector number at which the error was encountered.
   *
   * This signal is emitted whenever an error occurs while reading.
   * CdParanoia will attempt to recover the data.
   */
  cdpsrc_signals[TRANSPORT_ERROR] =
      g_signal_new ("transport-error", G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST,
      G_STRUCT_OFFSET (GstCdParanoiaSrcClass, transport_error),
      NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
  /**
   * GstCdParanoiaSrc::uncorrected-error:
   * @cdparanoia: The CdParanoia instance
   * @sector: The sector number at which the error was encountered.
   *
   * This signal is emitted whenever an uncorrectable error occurs while
   * reading. The data could not be read.
   */
  cdpsrc_signals[UNCORRECTED_ERROR] =
      g_signal_new ("uncorrected-error", G_TYPE_FROM_CLASS (klass),
      G_SIGNAL_RUN_LAST,
      G_STRUCT_OFFSET (GstCdParanoiaSrcClass, uncorrected_error),
      NULL, NULL, g_cclosure_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
}