Convert Tremor to use libogg instead of its own internal libogg2.

This makes it easier to use Tremor as a drop-in replacement for libvorbis and
 reduces code size and overhead for those who don't want to use its built-in
 Ogg demuxer.
This commit also backports all of the changes that have accumulated in
 libvorbis's vorbisfile implementation, with the exception of halfrate decoding
 and cross-lapped seeking.
Those should not be too hard to add if someone really wants them.


git-svn-id: https://svn.xiph.org/trunk/Tremor@17375 0101bb08-14d6-0310-b084-bc0e0c8e3800

1 files changed, 8 insertions, 0 deletions

diff --git a/misc.h b/misc.h
index a4bc82f..1ae4d2e 100644
--- a/misc.h
+++ b/misc.h
@@ -20,6 +20,14 @@
 #include "ivorbiscodec.h"
 #include "os.h"
 
+#ifdef _LOW_ACCURACY_
+#  define X(n) (((((n)>>22)+1)>>1) - ((((n)>>22)+1)>>9))
+#  define LOOKUP_T const unsigned char
+#else
+#  define X(n) (n)
+#  define LOOKUP_T const ogg_int32_t
+#endif
+
 #include "asm_arm.h"
 #include <stdlib.h> /* for abs() */