Imported Upstream version 1.4+222+hg5f9f7194267b

[deb_x265.git] / source / common / constants.cpp

diff --git a/source/common/constants.cpp b/source/common/constants.cpp
index 4252cb40df9dc9b71e6ae44bc2464aefde99ffac..749d888c28dda2351a5e4db081e516cac3e1ed4d 100644 (file)
--- a/source/common/constants.cpp
+++ b/source/common/constants.cpp
@@ -27,21 +27,46 @@
 
 namespace x265 {
 
-static int initialized /* = 0 */;
-
-// initialize ROM variables
-void initROM()
+#if HIGH_BIT_DEPTH
+// lambda = pow(2, (double)q / 6 - 2) * (1 << (X265_DEPTH - 8));
+double x265_lambda_tab[QP_MAX_MAX + 1] =
 {
-    if (ATOMIC_CAS32(&initialized, 0, 1) == 1)
-        return;
-}
+    1.0000, 1.1225, 1.2599, 1.4142, 1.5874, 
+    1.7818, 2.0000, 2.2449, 2.5198, 2.8284, 
+    3.1748, 3.5636, 4.0000, 4.4898, 5.0397, 
+    5.6569, 6.3496, 7.1272, 8.0000, 8.9797, 
+    10.0794, 11.3137, 12.6992, 14.2544, 16.0000, 
+    17.9594, 20.1587, 22.6274, 25.3984, 28.5088, 
+    32.0000, 35.9188, 40.3175, 45.2548, 50.7968, 
+    57.0175, 64.0000, 71.8376, 80.6349, 90.5097, 
+    101.5937, 114.0350, 128.0000, 143.6751, 161.2699, 
+    181.0193, 203.1873, 228.0701, 256.0000, 287.3503, 
+    322.5398, 362.0387, 406.3747, 456.1401, 512.0000, 
+    574.7006, 645.0796, 724.0773, 812.7493, 912.2803, 
+    1024.0000, 1149.4011, 1290.1592, 1448.1547, 1625.4987, 
+    1824.5606, 2048.0000, 2298.8023, 2580.3183, 2896.3094,
+};
 
-void destroyROM()
+// lambda2 = pow(lambda, 2) * scale (0.85);
+double x265_lambda2_tab[QP_MAX_MAX + 1] =
 {
-    if (ATOMIC_CAS32(&initialized, 1, 0) == 0)
-        return;
-}
+    0.8500, 1.0709, 1.3493, 1.7000, 2.1419, 
+    2.6986, 3.4000, 4.2837, 5.3972, 6.8000, 
+    8.5675, 10.7943, 13.6000, 17.1349, 21.5887, 
+    27.2000, 34.2699, 43.1773, 54.4000, 68.5397, 
+    86.3546, 108.8000, 137.0794, 172.7092, 217.6000, 
+    274.1588, 345.4185, 435.2000, 548.3176, 690.8369, 
+    870.4000, 1096.6353, 1381.6739, 1740.8000, 2193.2706, 
+    2763.3478, 3481.6000, 4386.5411, 5526.6955, 6963.2000, 
+    8773.0823, 11053.3910, 13926.4000, 17546.1645, 22106.7820, 
+    27852.8000, 35092.3290, 44213.5640, 55705.6000, 70184.6580, 
+    88427.1280, 111411.2000, 140369.3161, 176854.2561, 222822.4000, 
+    280738.6321, 353708.5122, 445644.8000, 561477.2643, 707417.0243, 
+    891289.6000, 1122954.5286, 1414834.0486, 1782579.2000, 2245909.0572, 
+    2829668.0973, 3565158.4000, 4491818.1144, 5659336.1946, 7130316.8000, 
+};
 
+#else /* !HIGH_BIT_DEPTH */
 
 // lambda = pow(2, (double)q / 6 - 2);
 double x265_lambda_tab[QP_MAX_MAX + 1] =
@@ -81,6 +106,8 @@ double x265_lambda2_tab[QP_MAX_MAX + 1] =
     176854.2222, 222822.4000, 280738.6627, 353708.5368, 445644.7459
 };
 
+#endif
+
 const uint16_t x265_chroma_lambda2_offset_tab[MAX_CHROMA_LAMBDA_OFFSET+1] =
 {
        16,    20,    25,    32,    40,    50,