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swscale/x86/output: Fix yuv2planeX_16* with unaligned destination

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Reviewed-by: BBB
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer
2016-02-17 00:14:56 +01:00
parent d07f6e5f1c
commit f6492a2ea8
1 changed files with 16 additions and 7 deletions
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23
libswscale/x86/output.asm
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@@ -54,8 +54,8 @@ SECTION .text
; int32_t if $output_size is 16. $filter is 12-bits. $filterSize is a multiple ; int32_t if $output_size is 16. $filter is 12-bits. $filterSize is a multiple
; of 2. $offset is either 0 or 3. $dither holds 8 values. ; of 2. $offset is either 0 or 3. $dither holds 8 values.
;----------------------------------------------------------------------------- ;-----------------------------------------------------------------------------
%macro yuv2planeX_mainloop 1 %macro yuv2planeX_mainloop 2
.pixelloop: .pixelloop_%2:
%assign %%i 0 %assign %%i 0
; the rep here is for the 8bit output mmx case, where dither covers ; the rep here is for the 8bit output mmx case, where dither covers
; 8 pixels but we can only handle 2 pixels per register, and thus 4 ; 8 pixels but we can only handle 2 pixels per register, and thus 4
@@ -82,7 +82,7 @@ SECTION .text
mova m2, m1 mova m2, m1
%endif ; %1 == 8/9/10/16 %endif ; %1 == 8/9/10/16
movsx cntr_reg, fltsizem movsx cntr_reg, fltsizem
.filterloop_ %+ %%i: .filterloop_%2_ %+ %%i:
; input pixels ; input pixels
mov r6, [srcq+gprsize*cntr_reg-2*gprsize] mov r6, [srcq+gprsize*cntr_reg-2*gprsize]
%if %1 == 16 %if %1 == 16
@@ -129,7 +129,7 @@ SECTION .text
%endif ; %1 == 8/9/10/16 %endif ; %1 == 8/9/10/16
sub cntr_reg, 2 sub cntr_reg, 2
jg .filterloop_ %+ %%i jg .filterloop_%2_ %+ %%i
%if %1 == 16 %if %1 == 16
psrad m2, 31 - %1 psrad m2, 31 - %1
@@ -156,7 +156,7 @@ SECTION .text
%endif ; mmxext/sse2/sse4/avx %endif ; mmxext/sse2/sse4/avx
pminsw m2, [yuv2yuvX_%1_upper] pminsw m2, [yuv2yuvX_%1_upper]
%endif ; %1 == 9/10/16 %endif ; %1 == 9/10/16
mova [dstq+r5*2], m2 mov%2 [dstq+r5*2], m2
%endif ; %1 == 8/9/10/16 %endif ; %1 == 8/9/10/16
add r5, mmsize/2 add r5, mmsize/2
@@ -164,7 +164,7 @@ SECTION .text
%assign %%i %%i+2 %assign %%i %%i+2
%endrep %endrep
jg .pixelloop jg .pixelloop_%2
%endmacro %endmacro
%macro yuv2planeX_fn 3 %macro yuv2planeX_fn 3
@@ -235,7 +235,16 @@ cglobal yuv2planeX_%1, %3, 8, %2, filter, fltsize, src, dst, w, dither, offset
xor r5, r5 xor r5, r5
yuv2planeX_mainloop %1 %if mmsize == 8 || %1 == 8
yuv2planeX_mainloop %1, a
%else ; mmsize == 16
test dstq, 15
jnz .unaligned
yuv2planeX_mainloop %1, a
REP_RET
.unaligned:
yuv2planeX_mainloop %1, u
%endif ; mmsize == 8/16
%if %1 == 8 %if %1 == 8
%if ARCH_X86_32 %if ARCH_X86_32