[x264-devel] [PATCH 11/29] mathematics: Move LUTs to the common file
Vittorio Giovara
vittorio.giovara at gmail.com
Thu Feb 2 10:05:23 CET 2017
In this way, tables will not be duplicated per bitdepth.
---
common/mathematics.c | 34 ++++++++++++++++++++++++++++++++++
encoder/analyse.c | 34 ----------------------------------
2 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/common/mathematics.c b/common/mathematics.c
index 1bf113d..a07c305 100644
--- a/common/mathematics.c
+++ b/common/mathematics.c
@@ -26,6 +26,40 @@
#include "mathematics.h"
+const uint8_t x264_exp2_lut[64] =
+{
+ 0, 3, 6, 8, 11, 14, 17, 20, 23, 26, 29, 32, 36, 39, 42, 45,
+ 48, 52, 55, 58, 62, 65, 69, 72, 76, 80, 83, 87, 91, 94, 98, 102,
+ 106, 110, 114, 118, 122, 126, 130, 135, 139, 143, 147, 152, 156, 161, 165, 170,
+ 175, 179, 184, 189, 194, 198, 203, 208, 214, 219, 224, 229, 234, 240, 245, 250
+};
+
+const float x264_log2_lut[128] =
+{
+ 0.00000, 0.01123, 0.02237, 0.03342, 0.04439, 0.05528, 0.06609, 0.07682,
+ 0.08746, 0.09803, 0.10852, 0.11894, 0.12928, 0.13955, 0.14975, 0.15987,
+ 0.16993, 0.17991, 0.18982, 0.19967, 0.20945, 0.21917, 0.22882, 0.23840,
+ 0.24793, 0.25739, 0.26679, 0.27612, 0.28540, 0.29462, 0.30378, 0.31288,
+ 0.32193, 0.33092, 0.33985, 0.34873, 0.35755, 0.36632, 0.37504, 0.38370,
+ 0.39232, 0.40088, 0.40939, 0.41785, 0.42626, 0.43463, 0.44294, 0.45121,
+ 0.45943, 0.46761, 0.47573, 0.48382, 0.49185, 0.49985, 0.50779, 0.51570,
+ 0.52356, 0.53138, 0.53916, 0.54689, 0.55459, 0.56224, 0.56986, 0.57743,
+ 0.58496, 0.59246, 0.59991, 0.60733, 0.61471, 0.62205, 0.62936, 0.63662,
+ 0.64386, 0.65105, 0.65821, 0.66534, 0.67243, 0.67948, 0.68650, 0.69349,
+ 0.70044, 0.70736, 0.71425, 0.72110, 0.72792, 0.73471, 0.74147, 0.74819,
+ 0.75489, 0.76155, 0.76818, 0.77479, 0.78136, 0.78790, 0.79442, 0.80090,
+ 0.80735, 0.81378, 0.82018, 0.82655, 0.83289, 0.83920, 0.84549, 0.85175,
+ 0.85798, 0.86419, 0.87036, 0.87652, 0.88264, 0.88874, 0.89482, 0.90087,
+ 0.90689, 0.91289, 0.91886, 0.92481, 0.93074, 0.93664, 0.94251, 0.94837,
+ 0.95420, 0.96000, 0.96578, 0.97154, 0.97728, 0.98299, 0.98868, 0.99435,
+};
+
+/* Avoid an int/float conversion. */
+const float x264_log2_lz_lut[32] =
+{
+ 31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
+};
+
/****************************************************************************
* x264_reduce_fraction:
****************************************************************************/
diff --git a/encoder/analyse.c b/encoder/analyse.c
index 390ac3d..fdb9ccd 100644
--- a/encoder/analyse.c
+++ b/encoder/analyse.c
@@ -167,40 +167,6 @@ const int x264_lambda2_tab[QP_MAX_MAX+1] =
134217727,134217727,134217727,134217727,134217727,134217727, /* 76-81 */
};
-const uint8_t x264_exp2_lut[64] =
-{
- 0, 3, 6, 8, 11, 14, 17, 20, 23, 26, 29, 32, 36, 39, 42, 45,
- 48, 52, 55, 58, 62, 65, 69, 72, 76, 80, 83, 87, 91, 94, 98, 102,
- 106, 110, 114, 118, 122, 126, 130, 135, 139, 143, 147, 152, 156, 161, 165, 170,
- 175, 179, 184, 189, 194, 198, 203, 208, 214, 219, 224, 229, 234, 240, 245, 250
-};
-
-const float x264_log2_lut[128] =
-{
- 0.00000, 0.01123, 0.02237, 0.03342, 0.04439, 0.05528, 0.06609, 0.07682,
- 0.08746, 0.09803, 0.10852, 0.11894, 0.12928, 0.13955, 0.14975, 0.15987,
- 0.16993, 0.17991, 0.18982, 0.19967, 0.20945, 0.21917, 0.22882, 0.23840,
- 0.24793, 0.25739, 0.26679, 0.27612, 0.28540, 0.29462, 0.30378, 0.31288,
- 0.32193, 0.33092, 0.33985, 0.34873, 0.35755, 0.36632, 0.37504, 0.38370,
- 0.39232, 0.40088, 0.40939, 0.41785, 0.42626, 0.43463, 0.44294, 0.45121,
- 0.45943, 0.46761, 0.47573, 0.48382, 0.49185, 0.49985, 0.50779, 0.51570,
- 0.52356, 0.53138, 0.53916, 0.54689, 0.55459, 0.56224, 0.56986, 0.57743,
- 0.58496, 0.59246, 0.59991, 0.60733, 0.61471, 0.62205, 0.62936, 0.63662,
- 0.64386, 0.65105, 0.65821, 0.66534, 0.67243, 0.67948, 0.68650, 0.69349,
- 0.70044, 0.70736, 0.71425, 0.72110, 0.72792, 0.73471, 0.74147, 0.74819,
- 0.75489, 0.76155, 0.76818, 0.77479, 0.78136, 0.78790, 0.79442, 0.80090,
- 0.80735, 0.81378, 0.82018, 0.82655, 0.83289, 0.83920, 0.84549, 0.85175,
- 0.85798, 0.86419, 0.87036, 0.87652, 0.88264, 0.88874, 0.89482, 0.90087,
- 0.90689, 0.91289, 0.91886, 0.92481, 0.93074, 0.93664, 0.94251, 0.94837,
- 0.95420, 0.96000, 0.96578, 0.97154, 0.97728, 0.98299, 0.98868, 0.99435,
-};
-
-/* Avoid an int/float conversion. */
-const float x264_log2_lz_lut[32] =
-{
- 31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
-};
-
// should the intra and inter lambdas be different?
// I'm just matching the behaviour of deadzone quant.
static const int x264_trellis_lambda2_tab[2][QP_MAX_MAX+1] =
--
2.10.0
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