Changeset 700

Timestamp:

2005-01-21 21:12:24 (4 years ago)

Author:

conrad

Message:

add parsing of fisbone headers to oggz_auto

Files:

• liboggz/trunk/src/liboggz/oggz_auto.c (modified) (3 diffs)

liboggz/trunk/src/liboggz/oggz_auto.c

@@ -57 +57 @@
-#define INT64_LE_AT(x) _le_64((*(ogg_int64_t *)(x)))
-
-
+
-
-#define OGGZ_AUTO_MULT 1000
@@ -273 +273 @@
-}
-
+#if 0
+static int
+auto_fishead (OGGZ * oggz, ogg_packet * op, long serialno, void * user_data)
+{
+  unsigned char * header = op->packet;
+
+  if (op->bytes < 8) return 0;
+
+  if (strncmp ((char *)header, "fishead", 8)) return 0;
+  if (!op->b_o_s) return 0;
+
+  /* Yeah ... set it up with a "linear" metric with numerator 0 :) */
+  oggz_set_metric_linear (oggz, serialno, 0, 1);
+
+  return 1;
+}
+#endif
+
+static int
+auto_fisbone (OGGZ * oggz, ogg_packet * op, long serialno, void * user_data)
+{
+  unsigned char * header = op->packet;
+  long fisbone_serialno;
+  ogg_int64_t granule_rate_numerator = 0, granule_rate_denominator = 0;
+
+  if (op->bytes < 48) return 0;
+
+  if (strncmp ((char *)header, "fisbone", 7)) return 0;
+
+  fisbone_serialno = (long) INT32_LE_AT(&header[12]);
+
+  granule_rate_numerator = INT64_LE_AT(&header[20]);
+  granule_rate_denominator = INT64_LE_AT(&header[28]);
+#ifdef DEBUG
+  printf ("Got fisbone granulerate %lld/%lld for serialno %010ld\n",
+          granule_rate_numerator, granule_rate_denominator,
+          fisbone_serialno);
+#endif
+
+  oggz_set_metric_linear (oggz, fisbone_serialno,
+                          granule_rate_numerator,
+                          OGGZ_AUTO_MULT * granule_rate_denominator);
+
+  return 1;
+}
+
-static const OggzReadPacket auto_readers[] = {
-  auto_speex,
@@ -281 +327 @@
-  auto_flac,
-  auto_cmml,
+  /* XXX: don't set a metric on the fishead, so the fisbones are inspected */
+  /*auto_fishead,*/
+  auto_fisbone,
-  NULL
-};