[x265] Many more warnings by GCC 4.8.2

[Mario Rohkrämer]

No panic; I know that many reasons for warnings are less than serious.  
Just reporting.

__


h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp: In  
member function 'void  
x265::TComWeightPrediction::getWpScaling(x265::TComDataCU*, int, int,  
x265::WeightParam*&, x265::WeightParam*&)':
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:518:62:  
warning: suggest braces around empty body in an 'else' statement  
[-Wempty-body]
          X265_CHECK(0, "unexpected wpScaling configuration\n");
                                                               ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp: In  
member function 'void  
x265::TComWeightPrediction::xWeightedPredictionBi(x265::TComDataCU*,  
x265::TComYuv*, x265::TComYuv*, int, int, uint32_t, int, int,  
x265::TComYuv*, bool, bool)':
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:537:45:  
warning: 'pwp1' may be used uninitialized in this function  
[-Wmaybe-uninitialized]
              wp1[yuv].round  = wp0[yuv].round;
                                              ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:567:26:  
note: 'pwp1' was declared here
      WeightParam  *pwp0, *pwp1;
                           ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:530:51:  
warning: 'pwp0' may be used uninitialized in this function  
[-Wmaybe-uninitialized]
              wp0[yuv].w      = wp0[yuv].inputWeight;
                                                    ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:567:19:  
note: 'pwp0' was declared here
      WeightParam  *pwp0, *pwp1;
                    ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp: In  
member function 'void  
x265::TComWeightPrediction::xWeightedPredictionBi(x265::TComDataCU*,  
x265::ShortYuv*, x265::ShortYuv*, int, int, uint32_t, int, int,  
x265::TComYuv*, bool, bool)':
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:537:45:  
warning: 'pwp1' may be used uninitialized in this function  
[-Wmaybe-uninitialized]
              wp1[yuv].round  = wp0[yuv].round;
                                              ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:603:26:  
note: 'pwp1' was declared here
      WeightParam  *pwp0, *pwp1;
                           ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:530:51:  
warning: 'pwp0' may be used uninitialized in this function  
[-Wmaybe-uninitialized]
              wp0[yuv].w      = wp0[yuv].inputWeight;
                                                    ^
h:/MSYS/home/LigH/x265/source/Lib/TLibCommon/TComWeightPrediction.cpp:603:19:  
note: 'pwp0' was declared here
      WeightParam  *pwp0, *pwp1;
                    ^
__


h:/MSYS/home/LigH/x265/source/encoder/level.cpp: In function 'void  
x265::determineLevel(const x265_param&, x265::Profile::Name&,  
x265::Level::Name&, x265::Level::Tier&)':
h:/MSYS/home/LigH/x265/source/encoder/level.cpp:143:24: warning: array  
subscript is above array bounds [-Warray-bounds]
          while (levels[i].levelIdc < param.levelIdc && levels[i].levelIdc)
                         ^
h:/MSYS/home/LigH/x265/source/encoder/level.cpp:143:24: warning: array  
subscript is above array bounds [-Warray-bounds]

__


h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp: In member function  
'bool x265::RateControl::initPass2()':
h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp:728:6: warning:  
'minVal' may be used uninitialized in this function [-Wmaybe-uninitialized]
  bool RateControl::initPass2()
       ^
h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp:728:6: warning:  
'maxVal' may be used uninitialized in this function [-Wmaybe-uninitialized]
h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp:728:6: warning: 'a'  
may be used uninitialized in this function [-Wmaybe-uninitialized]
h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp:728:6: warning:  
'minVal' may be used uninitialized in this function [-Wmaybe-uninitialized]
h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp:728:6: warning:  
'maxVal' may be used uninitialized in this function [-Wmaybe-uninitialized]
h:/MSYS/home/LigH/x265/source/encoder/ratecontrol.cpp:728:6: warning: 'a'  
may be used uninitialized in this function [-Wmaybe-uninitialized]

-- 

Fun and success!
Mario *LigH* Rohkrämer
mailto:contact at ligh.de