ref: 42f8ff432b68d90bdd981394a582a86a528b6482
parent: 3b1bd3aab4f4e150607603fb3ab2c050a5d2364c
author: cbagwell <cbagwell>
date: Mon Jul 9 22:18:47 EDT 2007
Allow supporting user specified endian on reads.
--- a/src/au.c
+++ b/src/au.c
@@ -161,22 +161,28 @@
/* Check the magic word */
sox_readdw(ft, &magic);
if (magic == DEC_INV_MAGIC) {- /* Inverted headers are not standard. Code was probably
- * left over from pre-standardize period of testing for
- * endianess. Its not hurting though.
- */
- ft->signal.reverse_bytes = !ft->signal.reverse_bytes;
- sox_debug("Found inverted DEC magic word. Swapping bytes.");+ sox_debug("Found inverted DEC magic word.");+ /* Inverted headers are not standard. Code was probably
+ * left over from pre-standardize period of testing for
+ * endianess. Its not hurting though.
+ */
+ if (ft->signal.reverse_bytes == SOX_OPTION_DEFAULT)
+ ft->signal.reverse_bytes = SOX_IS_BIGENDIAN;
}
else if (magic == SUN_INV_MAGIC) {- ft->signal.reverse_bytes = !ft->signal.reverse_bytes;
- sox_debug("Found inverted Sun/NeXT magic word. Swapping bytes.");+ sox_debug("Found inverted Sun/NeXT magic word.");+ if (ft->signal.reverse_bytes == SOX_OPTION_DEFAULT)
+ ft->signal.reverse_bytes = SOX_IS_BIGENDIAN;
}
else if (magic == SUN_MAGIC) {- sox_debug("Found Sun/NeXT magic word");+ sox_debug("Found Sun/NeXT magic word");+ if (ft->signal.reverse_bytes == SOX_OPTION_DEFAULT)
+ ft->signal.reverse_bytes = SOX_IS_LITTLEENDIAN;
}
else if (magic == DEC_MAGIC) {- sox_debug("Found DEC magic word");+ sox_debug("Found DEC magic word");+ if (ft->signal.reverse_bytes == SOX_OPTION_DEFAULT)
+ ft->signal.reverse_bytes = SOX_IS_LITTLEENDIAN;
}
else
{@@ -480,9 +486,14 @@
NULL
};
+/* Purposely did not specify format as big endian because
+ * it can handle both. This means we must set our own
+ * default values for reverse_bytes when not specified
+ * since we didn't give the hint to soxio.
+ */
static sox_format_handler_t sox_au_format = {aunames,
- SOX_FILE_SEEK | SOX_FILE_BIG_END,
+ SOX_FILE_SEEK,
sox_austartread,
sox_auread,
sox_rawstopread,
--
⑨