speex_type_find (GstTypeFind * tf, gpointer private)
{
  const guint8 *data = gst_type_find_peek (tf, 0, 80);

  if (data) {
    /* 8 byte string "Speex   "
       24 byte speex version string + int */
    if (memcmp (data, "Speex   ", 8) != 0)
      return;
    data += 32;

    /* 4 byte header size >= 80 */
    if (GST_READ_UINT32_LE (data) < 80)
      return;
    data += 4;

    /* 4 byte sample rate <= 48000 */
    if (GST_READ_UINT32_LE (data) > 48000)
      return;
    data += 4;

    /* currently there are only 3 speex modes. */
    if (GST_READ_UINT32_LE (data) > 3)
      return;
    data += 12;

    gst_type_find_suggest (tf, GST_TYPE_FIND_MAXIMUM, SPEEX_CAPS);
  }
}
Unknown