[x265] [PATCH 2 of 4] testbench(quant): the qBits value must be more than or equal to 8

[Min Chen]

# HG changeset patch
# User Min Chen <chenm003 at 163.com>
# Date 1410230336 25200
# Node ID 0f1f42504d2d9fdfdf062033252958bd60d682b4
# Parent  b00181813b3c2cdd4b13bacfd9600a4626b90baf
testbench(quant): the qBits value must be more than or equal to 8

diff -r b00181813b3c -r 0f1f42504d2d source/common/dct.cpp
--- a/source/common/dct.cpp	Mon Sep 08 19:38:41 2014 -0700
+++ b/source/common/dct.cpp	Mon Sep 08 19:38:56 2014 -0700
@@ -772,6 +772,7 @@
 
 uint32_t quant_c(int32_t* coef, int32_t* quantCoeff, int32_t* deltaU, int16_t* qCoef, int qBits, int add, int numCoeff)
 {
+    X265_CHECK(qBits >= 8, "qBits less than 8\n");
     int qBits8 = qBits - 8;
     uint32_t numSig = 0;
 
diff -r b00181813b3c -r 0f1f42504d2d source/test/mbdstharness.cpp
--- a/source/test/mbdstharness.cpp	Mon Sep 08 19:38:41 2014 -0700
+++ b/source/test/mbdstharness.cpp	Mon Sep 08 19:38:56 2014 -0700
@@ -211,7 +211,7 @@
         uint32_t optReturnValue = 0;
         uint32_t refReturnValue = 0;
 
-        int bits = rand() % 32;
+        int bits = (rand() % 24) + 8;
         int valueToAdd = rand() % (1 << bits);
         int cmp_size = sizeof(int) * height * width;
         int cmp_size1 = sizeof(short) * height * width;