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avcodec/x86/hevc: add avx2 dc idct

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
plepere 2014-06-16 14:47:21 +02:00 committed by Michael Niedermayer
parent a30f1b15c7
commit 942e22c651
3 changed files with 72 additions and 3 deletions
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51
libavcodec/x86/hevc_idct.asm
View File

@ -20,12 +20,12 @@
; */
%include "libavutil/x86/x86util.asm"
SECTION_RODATA
max_pixels_10: times 8 dw ((1 << 10)-1)
SECTION_RODATA 32
max_pixels_10: times 16 dw ((1 << 10)-1)
dc_add_10: times 4 dd ((1 << 14-10) + 1)
SECTION .text
SECTION_TEXT 32
;the idct_dc_add macros and functions were largely inspired by x264 project's code in the h264_idct.asm file
@ -41,6 +41,18 @@ SECTION .text
packuswb m1, m1
%endmacro
%macro DC_ADD_INIT_AVX2 2
add %1w, ((1 << 14-8) + 1)
sar %1w, (15-8)
movd xm0, %1d
vpbroadcastw m0, xm0 ;SPLATW
lea %1, [%2*3]
pxor m1, m1
psubw m1, m0
packuswb m0, m0
packuswb m1, m1
%endmacro
%macro DC_ADD_OP 4
%1 m2, [%2 ]
%1 m3, [%2+%3 ]
@ -112,6 +124,19 @@ cglobal hevc_idct16_dc_add_8, 3, 4, 0
DC_ADD_OP mova, r0, r2, r3
RET
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
; void ff_hevc_idct32_dc_add_8_avx2(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride)
cglobal hevc_idct32_dc_add_8, 3, 4, 6
movsx r3, word [r1]
DC_ADD_INIT_AVX2 r3, r2
DC_ADD_OP mova, r0, r2, r3,
%rep 7
lea r0, [r0+r2*4]
DC_ADD_OP mova, r0, r2, r3
%endrep
RET
%endif ;HAVE_AVX2_EXTERNAL
;-----------------------------------------------------------------------------
; void ff_hevc_idct_dc_add_10(pixel *dst, int16_t *block, int stride)
;-----------------------------------------------------------------------------
@ -178,3 +203,23 @@ IDCT8_DC_ADD
INIT_XMM avx
IDCT8_DC_ADD
%endif
%if HAVE_AVX2_EXTERNAL
INIT_YMM avx2
cglobal hevc_idct16_dc_add_10,3,4,7
mov r1w, [r1]
add r1w, ((1 << 4) + 1)
sar r1w, 5
movd xm0, r1d
lea r1, [r2*3]
vpbroadcastw m0, xm0 ;SPLATW
mova m6, [max_pixels_10]
IDCT_DC_ADD_OP_10 r0, r2, r1
lea r0, [r0+r2*4]
IDCT_DC_ADD_OP_10 r0, r2, r1
lea r0, [r0+r2*4]
IDCT_DC_ADD_OP_10 r0, r2, r1
lea r0, [r0+r2*4]
IDCT_DC_ADD_OP_10 r0, r2, r1
RET
%endif ;HAVE_AVX_EXTERNAL

6
libavcodec/x86/hevcdsp.h
View File

@ -133,6 +133,8 @@ idct_dc_proto(8, 8,mmxext);
idct_dc_proto(16,8, sse2);
idct_dc_proto(32,8, sse2);
idct_dc_proto(32,8, avx2);
idct_dc_proto(4, 10,mmxext);
idct_dc_proto(8, 10, sse2);
@ -142,6 +144,10 @@ idct_dc_proto(8, 10, avx);
idct_dc_proto(16,10, avx);
idct_dc_proto(32,10, avx);
idct_dc_proto(16,10, avx2);
idct_dc_proto(32,10, avx2);

18
libavcodec/x86/hevcdsp_init.c
View File

@ -92,6 +92,17 @@ void ff_hevc_idct32_dc_add_10_avx(uint8_t *dst, int16_t *coeffs, ptrdiff_t strid
}
#endif //HAVE_AVX_EXTERNAL
#if HAVE_AVX2_EXTERNAL
void ff_hevc_idct32_dc_add_10_avx2(uint8_t *dst, int16_t *coeffs, ptrdiff_t stride)
{
ff_hevc_idct16_dc_add_10_avx2(dst, coeffs, stride);
ff_hevc_idct16_dc_add_10_avx2(dst+32, coeffs, stride);
ff_hevc_idct16_dc_add_10_avx2(dst+16*stride, coeffs, stride);
ff_hevc_idct16_dc_add_10_avx2(dst+16*stride+32, coeffs, stride);
}
#endif //HAVE_AVX2_EXTERNAL
#define mc_rep_func(name, bitd, step, W, opt) \
void ff_hevc_put_hevc_##name##W##_##bitd##_##opt(int16_t *_dst, ptrdiff_t dststride, \
uint8_t *_src, ptrdiff_t _srcstride, int height, \
@ -438,6 +449,9 @@ void ff_hevcdsp_init_x86(HEVCDSPContext *c, const int bit_depth)
QPEL_LINKS(c->put_hevc_qpel, 1, 0, qpel_v, 8, sse4);
QPEL_LINKS(c->put_hevc_qpel, 1, 1, qpel_hv, 8, sse4);
}
if (EXTERNAL_AVX2(mm_flags)) {
c->transform_dc_add[3] = ff_hevc_idct32_dc_add_8_avx2;
}
} else if (bit_depth == 10) {
if (EXTERNAL_MMXEXT(mm_flags)) {
c->transform_dc_add[0] = ff_hevc_idct4_dc_add_10_mmxext;
@ -473,6 +487,10 @@ void ff_hevcdsp_init_x86(HEVCDSPContext *c, const int bit_depth)
c->transform_dc_add[2] = ff_hevc_idct16_dc_add_10_avx;
c->transform_dc_add[3] = ff_hevc_idct32_dc_add_10_avx;
}
if (EXTERNAL_AVX2(mm_flags)) {
c->transform_dc_add[2] = ff_hevc_idct16_dc_add_10_avx2;
c->transform_dc_add[3] = ff_hevc_idct32_dc_add_10_avx2;
}
}
}