summaryrefslogtreecommitdiff
path: root/drivers/theora/huffman.h
diff options
context:
space:
mode:
authorJuan Linietsky <reduzio@gmail.com>2014-02-09 22:10:30 -0300
committerJuan Linietsky <reduzio@gmail.com>2014-02-09 22:10:30 -0300
commit0b806ee0fc9097fa7bda7ac0109191c9c5e0a1ac (patch)
tree276c4d099e178eb67fbd14f61d77b05e3808e9e3 /drivers/theora/huffman.h
parent0e49da1687bc8192ed210947da52c9e5c5f301bb (diff)
GODOT IS OPEN SOURCE
Diffstat (limited to 'drivers/theora/huffman.h')
-rw-r--r--drivers/theora/huffman.h70
1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/theora/huffman.h b/drivers/theora/huffman.h
new file mode 100644
index 0000000000..36cf7572e5
--- /dev/null
+++ b/drivers/theora/huffman.h
@@ -0,0 +1,70 @@
+/********************************************************************
+ * *
+ * THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
+ * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
+ * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
+ * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
+ * *
+ * THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
+ * by the Xiph.Org Foundation and contributors http://www.xiph.org/ *
+ * *
+ ********************************************************************
+
+ function:
+ last mod: $Id: huffman.h 16503 2009-08-22 18:14:02Z giles $
+
+ ********************************************************************/
+
+#if !defined(_huffman_H)
+# define _hufffman_H (1)
+# include "theora/codec.h"
+# include "ocintrin.h"
+
+/*The range of valid quantized DCT coefficient values.
+ VP3 used 511 in the encoder, but the bitstream is capable of 580.*/
+#define OC_DCT_VAL_RANGE (580)
+
+#define OC_NDCT_TOKEN_BITS (5)
+
+#define OC_DCT_EOB1_TOKEN (0)
+#define OC_DCT_EOB2_TOKEN (1)
+#define OC_DCT_EOB3_TOKEN (2)
+#define OC_DCT_REPEAT_RUN0_TOKEN (3)
+#define OC_DCT_REPEAT_RUN1_TOKEN (4)
+#define OC_DCT_REPEAT_RUN2_TOKEN (5)
+#define OC_DCT_REPEAT_RUN3_TOKEN (6)
+
+#define OC_DCT_SHORT_ZRL_TOKEN (7)
+#define OC_DCT_ZRL_TOKEN (8)
+
+#define OC_ONE_TOKEN (9)
+#define OC_MINUS_ONE_TOKEN (10)
+#define OC_TWO_TOKEN (11)
+#define OC_MINUS_TWO_TOKEN (12)
+
+#define OC_DCT_VAL_CAT2 (13)
+#define OC_DCT_VAL_CAT3 (17)
+#define OC_DCT_VAL_CAT4 (18)
+#define OC_DCT_VAL_CAT5 (19)
+#define OC_DCT_VAL_CAT6 (20)
+#define OC_DCT_VAL_CAT7 (21)
+#define OC_DCT_VAL_CAT8 (22)
+
+#define OC_DCT_RUN_CAT1A (23)
+#define OC_DCT_RUN_CAT1B (28)
+#define OC_DCT_RUN_CAT1C (29)
+#define OC_DCT_RUN_CAT2A (30)
+#define OC_DCT_RUN_CAT2B (31)
+
+#define OC_NDCT_EOB_TOKEN_MAX (7)
+#define OC_NDCT_ZRL_TOKEN_MAX (9)
+#define OC_NDCT_VAL_MAX (23)
+#define OC_NDCT_VAL_CAT1_MAX (13)
+#define OC_NDCT_VAL_CAT2_MAX (17)
+#define OC_NDCT_VAL_CAT2_SIZE (OC_NDCT_VAL_CAT2_MAX-OC_DCT_VAL_CAT2)
+#define OC_NDCT_RUN_MAX (32)
+#define OC_NDCT_RUN_CAT1A_MAX (28)
+
+extern const unsigned char OC_DCT_TOKEN_EXTRA_BITS[TH_NDCT_TOKENS];
+
+#endif