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Code Issues Releases Activity

avcodec/x86/dsp: add_int16_mmx / add_int16_sse2

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-20 03:51:21 +01:00
parent da0684820a
commit a493f8541d
3 changed files with 70 additions and 0 deletions
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65
libavcodec/x86/dsputil.asm
View File

@ -465,6 +465,71 @@ cglobal add_hfyu_left_prediction, 3,3,7, dst, src, w, left
.src_unaligned:
ADD_HFYU_LEFT_LOOP 0, 0
%macro ADD_INT16_LOOP 1 ; %1 = is_aligned
movd m4, maskq
punpcklwd m4, m4
punpcklwd m4, m4
punpcklwd m4, m4
add wq, wq
test wq, 2*mmsize - 1
jz %%.tomainloop
%%.wordloop:
sub wq, 2
mov ax, [srcq+wq]
add ax, [dstq+wq]
and ax, maskw
mov [dstq+wq], ax
test wq, 2*mmsize - 1
jnz %%.wordloop
%%.tomainloop:
add srcq, wq
add dstq, wq
neg wq
jz %%.end
%%.loop:
%if %1
mova m0, [srcq+wq]
mova m1, [dstq+wq]
mova m2, [srcq+wq+mmsize]
mova m3, [dstq+wq+mmsize]
%else
movu m0, [srcq+wq]
movu m1, [dstq+wq]
movu m2, [srcq+wq+mmsize]
movu m3, [dstq+wq+mmsize]
%endif
paddw m0, m1
paddw m2, m3
pand m0, m4
pand m2, m4
%if %1
mova [dstq+wq] , m0
mova [dstq+wq+mmsize], m2
%else
movu [dstq+wq] , m0
movu [dstq+wq+mmsize], m2
%endif
add wq, 2*mmsize
jl %%.loop
%%.end:
RET
%endmacro
INIT_MMX mmx
cglobal add_int16, 4,4,5, dst, src, mask, w
ADD_INT16_LOOP 1
INIT_XMM sse2
cglobal add_int16, 4,4,5, dst, src, mask, w
test srcq, mmsize-1
jnz .unaligned
test dstq, mmsize-1
jnz .unaligned
ADD_INT16_LOOP 1
.unaligned:
ADD_INT16_LOOP 0
;-----------------------------------------------------------------------------
; void ff_vector_clip_int32(int32_t *dst, const int32_t *src, int32_t min,
; int32_t max, unsigned int len)

3
libavcodec/x86/dsputil_init.c
View File

@ -542,6 +542,7 @@ static av_cold void dsputil_init_mmx(DSPContext *c, AVCodecContext *avctx,
#endif /* HAVE_MMX_INLINE */
#if HAVE_MMX_EXTERNAL
c->add_int16 = ff_add_int16_mmx;
c->vector_clip_int32 = ff_vector_clip_int32_mmx;
#endif /* HAVE_MMX_EXTERNAL */
}
@ -625,6 +626,8 @@ static av_cold void dsputil_init_sse2(DSPContext *c, AVCodecContext *avctx,
c->vector_clip_int32 = ff_vector_clip_int32_sse2;
}
c->bswap_buf = ff_bswap32_buf_sse2;
c->add_int16 = ff_add_int16_sse2;
#endif /* HAVE_SSE2_EXTERNAL */
}

2
libavcodec/x86/dsputil_x86.h
View File

@ -116,6 +116,8 @@ void ff_clear_blocks_mmx(int16_t *blocks);
void ff_clear_blocks_sse(int16_t *blocks);
void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w);
void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
void ff_add_hfyu_median_prediction_cmov(uint8_t *dst, const uint8_t *top,
const uint8_t *diff, int w,