* sws_32bit_integration:
regtests/sws: update checksums for recent changes
sws: dont mess with XInc when the code needing it isnt used
sws: Fix chroma init for 32bit buffers.
swscale: error dithering for 16/9/10-bit to 8-bit.
swscale: fix overflow in 16-bit vertical scaling.
swscale: fix crash in 8-bpc bilinear output without alpha.
swscale: fix 16-bit scaling when output is 8-bits.
sws: fix non native endian 9-15 bit input with 16bit out
sws: disable scale16 when int32 is used
sws: fix rgb -> 16bit
sws: fix uv overwrite in 32bt
sws: fix gray16_1
sws:ix yuv2rgb48_1_c_template()
sws: fix 16/32 bug from merge
swscale: for >8bit scaling, read in native bit-depth.
swscale: fix another yuv range conversion overflow in 16bit scaling. (cherry picked from commit 81cc7d0bd1)
swscale: fix yuv range correction when using 16-bit scaling. (cherry picked from commit e0b8fff6c7)
swscale: implement >8bit scaling support.
Merged-by: Michael Niedermayer <michaelni@gmx.at>