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x86: hpeldsp: avg_pixels_xy2 for mmx2&3dnow

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This is a port of the inline assembly of the mmx version to use the
pavg(us|)b instruction.

        8    16
mmx   1498  4355
mmx2  1242  3509

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
pull/68/merge
Christophe Gisquet 11 years ago committed by Michael Niedermayer
parent 17ac998055
commit c081ca851c
2 changed files with 86 additions and 0 deletions
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  1. 77
      libavcodec/x86/hpeldsp.asm
  2. 9
      libavcodec/x86/hpeldsp_init.c

77
libavcodec/x86/hpeldsp.asm
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@ -29,6 +29,7 @@
SECTION_RODATA
cextern pb_1
cextern pw_2
SECTION_TEXT
@ -494,3 +495,79 @@ INIT_MMX mmxext
AVG_APPROX_PIXELS8_XY2
INIT_MMX 3dnow
AVG_APPROX_PIXELS8_XY2
; void ff_avg_pixels16_xy2(uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
%macro AVG_PIXELS_XY2 0
%if cpuflag(sse2)
cglobal avg_pixels16_xy2, 4,5,8
%else
cglobal avg_pixels8_xy2, 4,5
%endif
pxor m7, m7
mova m6, [pw_2]
movu m0, [r1]
movu m4, [r1+1]
mova m1, m0
mova m5, m4
punpcklbw m0, m7
punpcklbw m4, m7
punpckhbw m1, m7
punpckhbw m5, m7
paddusw m4, m0
paddusw m5, m1
xor r4, r4
add r1, r2
.loop:
movu m0, [r1+r4]
movu m2, [r1+r4+1]
mova m1, m0
mova m3, m2
punpcklbw m0, m7
punpcklbw m2, m7
punpckhbw m1, m7
punpckhbw m3, m7
paddusw m0, m2
paddusw m1, m3
paddusw m4, m6
paddusw m5, m6
paddusw m4, m0
paddusw m5, m1
psrlw m4, 2
psrlw m5, 2
mova m3, [r0+r4]
packuswb m4, m5
PAVGB m4, m3
mova [r0+r4], m4
add r4, r2
movu m2, [r1+r4]
movu m4, [r1+r4+1]
mova m3, m2
mova m5, m4
punpcklbw m2, m7
punpcklbw m4, m7
punpckhbw m3, m7
punpckhbw m5, m7
paddusw m4, m2
paddusw m5, m3
paddusw m0, m6
paddusw m1, m6
paddusw m0, m4
paddusw m1, m5
psrlw m0, 2
psrlw m1, 2
mova m3, [r0+r4]
packuswb m0, m1
PAVGB m0, m3
mova [r0+r4], m0
add r4, r2
sub r3d, 2
jnz .loop
REP_RET
%endmacro
INIT_MMX mmxext
AVG_PIXELS_XY2
INIT_MMX 3dnow
AVG_PIXELS_XY2

9
libavcodec/x86/hpeldsp_init.c
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@ -74,6 +74,10 @@ void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_approx_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_approx_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
@ -156,6 +160,7 @@ CALL_2X_PIXELS_EXPORT(ff_put_pixels16_xy2_mmx, ff_put_pixels8_xy2_mmx, 8)
CALL_2X_PIXELS(avg_pixels16 ## CPUEXT, ff_avg_pixels8 ## CPUEXT, 8) \
CALL_2X_PIXELS(avg_pixels16_x2 ## CPUEXT, ff_avg_pixels8_x2 ## CPUEXT, 8) \
CALL_2X_PIXELS(avg_pixels16_y2 ## CPUEXT, ff_avg_pixels8_y2 ## CPUEXT, 8) \
CALL_2X_PIXELS(avg_pixels16_xy2 ## CPUEXT, ff_avg_pixels8_xy2 ## CPUEXT, 8) \
CALL_2X_PIXELS(avg_approx_pixels16_xy2## CPUEXT, ff_avg_approx_pixels8_xy2## CPUEXT, 8)
HPELDSP_AVG_PIXELS16(_3dnow)
@ -209,6 +214,7 @@ static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;
c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;
c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;
c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
@ -216,6 +222,7 @@ static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
if (!(flags & CODEC_FLAG_BITEXACT)) {
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
@ -243,6 +250,7 @@ static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;
c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;
c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;
c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;
@ -250,6 +258,7 @@ static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;
c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
if (!(flags & CODEC_FLAG_BITEXACT)){
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;

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