[x265] fix lossless

[chen]

He just modify shift=0 path, shif-left and shift-righ is equal in that time

At 2014-08-25 10:06:23,"Steve Borho" <steve at borho.org> wrote:
>On 08/23, Satoshi Nakagawa wrote:
>> # HG changeset patch
>> # User Satoshi Nakagawa <nakagawa424 at oki.com>
>> # Date 1408803114 -32400
>> #      Sat Aug 23 23:11:54 2014 +0900
>> # Node ID 218b9ddfe148c55afccc2c5a073858692e09f5c6
>> # Parent  6e6756f94b27c3ef30f6159f1880112a7ff978e3
>> fix lossless
>
>do you have a repro case that this fixes?  I tried Main and Main10
>encodes with --lossless --hash 1 and they were both fine prior to this
>patch.
>
>> diff -r 6e6756f94b27 -r 218b9ddfe148 source/common/quant.cpp
>> --- a/source/common/quant.cpp	Fri Aug 22 15:53:34 2014 -0500
>> +++ b/source/common/quant.cpp	Sat Aug 23 23:11:54 2014 +0900
>> @@ -399,7 +399,7 @@
>>  {
>>      if (transQuantBypass)
>>      {
>> -        primitives.cvt32to16_shr(residual, coeff, stride, 0, 1 << log2TrSize);
>> +        primitives.cvt32to16_shl[log2TrSize - 2](residual, coeff, stride, 0);
>>          return;
>>      }
>>  
>> @@ -430,7 +430,7 @@
>>  #if X265_DEPTH <= 10
>>          primitives.cvt32to16_shr(residual, m_resiDctCoeff, stride, shift, trSize);
>>  #else
>> -        if (shift >= 0)
>> +        if (shift > 0)
>>              primitives.cvt32to16_shr(residual, m_resiDctCoeff, stride, shift, trSize);
>>          else
>>              primitives.cvt32to16_shl[log2TrSize - 2](residual, m_resiDctCoeff, stride, -shift);
>> _______________________________________________
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>> x265-devel at videolan.org
>> https://mailman.videolan.org/listinfo/x265-devel
>
>-- 
>Steve Borho
>_______________________________________________
>x265-devel mailing list
>x265-devel at videolan.org
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