[atrac3] 0.83/0.16 M/S bitrate separation for joint stereo coding

support of encoding mono source for joint stereo mode

1 files changed, 4 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index a6c7b20..01162e4 100644
--- a/src/util.h
+++ b/src/util.h
@@ -61,6 +61,10 @@ inline uint16_t GetFirstSetBit(uint32_t x) {
     return multiplyDeBruijnBitPosition[(uint32_t)(x * 0x07C4ACDDU) >> 27];
 }
 
+inline uint32_t Div8Ceil(uint32_t in) {
+    return 1 + (in - 1) / 8;
+}
+
 template<class T>
 inline T CalcMedian(T* in, uint32_t len) {
     std::vector<T> tmp(in, in+len);