RepoMirrors/ffmpeg
1
0
Fork 0
mirror of https://git.ffmpeg.org/ffmpeg.git synced 2025-01-02 04:52:09 +00:00
Code Issues Projects Releases Wiki Activity

swr-x86-SIMD: 3 instructions less for stereo planar->packed s32/flt->s16

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-05-06 12:59:59 +02:00
parent d1ac8e1034
commit adfa53b91f
1 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
libswresample/x86/audio_convert.asm
View File

@ -52,6 +52,7 @@ pack_2ch_%2_to_%1_u_int %+ SUFFIX
neg lenq neg lenq
%7 %7
.next: .next:
%if %4 >= %5
mov%3 m0, [ srcq +(1<<%5)*lenq] mov%3 m0, [ srcq +(1<<%5)*lenq]
mova m1, m0 mova m1, m0
mov%3 m2, [ src2q+(1<<%5)*lenq] mov%3 m2, [ src2q+(1<<%5)*lenq]
@ -61,15 +62,19 @@ pack_2ch_%2_to_%1_u_int %+ SUFFIX
%else %else
punpckldq m0, m2 punpckldq m0, m2
punpckhdq m1, m2 punpckhdq m1, m2
%endif
%if %4 < %5
mov%3 m2, [mmsize + srcq +(1<<%5)*lenq]
mova m3, m2
mov%3 m4, [mmsize + src2q+(1<<%5)*lenq]
punpckldq m2, m4
punpckhdq m3, m4
%endif %endif
%6 %6
%else
mov%3 m0, [ srcq +(1<<%5)*lenq]
mov%3 m1, [mmsize + srcq +(1<<%5)*lenq]
mov%3 m2, [ src2q+(1<<%5)*lenq]
mov%3 m3, [mmsize + src2q+(1<<%5)*lenq]
%6
mova m2, m0
punpcklwd m0, m1
punpckhwd m2, m1
SWAP 1,2
%endif
mov%3 [ dstq+(2<<%4)*lenq], m0 mov%3 [ dstq+(2<<%4)*lenq], m0
mov%3 [ mmsize + dstq+(2<<%4)*lenq], m1 mov%3 [ mmsize + dstq+(2<<%4)*lenq], m1
%if %4 > %5 %if %4 > %5