summaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/hevc_sao_10bit.asm
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/x86/hevc_sao_10bit.asm')
-rw-r--r--libavcodec/x86/hevc_sao_10bit.asm370
1 files changed, 370 insertions, 0 deletions
diff --git a/libavcodec/x86/hevc_sao_10bit.asm b/libavcodec/x86/hevc_sao_10bit.asm
new file mode 100644
index 0000000..b30583d
--- /dev/null
+++ b/libavcodec/x86/hevc_sao_10bit.asm
@@ -0,0 +1,370 @@
+;******************************************************************************
+;* SIMD optimized SAO functions for HEVC 10/12bit decoding
+;*
+;* Copyright (c) 2013 Pierre-Edouard LEPERE
+;* Copyright (c) 2014 James Almer
+;*
+;* This file is part of FFmpeg.
+;*
+;* FFmpeg is free software; you can redistribute it and/or
+;* modify it under the terms of the GNU Lesser General Public
+;* License as published by the Free Software Foundation; either
+;* version 2.1 of the License, or (at your option) any later version.
+;*
+;* FFmpeg is distributed in the hope that it will be useful,
+;* but WITHOUT ANY WARRANTY; without even the implied warranty of
+;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+;* Lesser General Public License for more details.
+;*
+;* You should have received a copy of the GNU Lesser General Public
+;* License along with FFmpeg; if not, write to the Free Software
+;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+;******************************************************************************
+
+%include "libavutil/x86/x86util.asm"
+
+SECTION_RODATA 32
+
+pw_m2: times 16 dw -2
+pw_mask10: times 16 dw 0x03FF
+pw_mask12: times 16 dw 0x0FFF
+pb_eo: db -1, 0, 1, 0, 0, -1, 0, 1, -1, -1, 1, 1, 1, -1, -1, 1
+cextern pw_m1
+cextern pw_1
+cextern pw_2
+
+SECTION .text
+
+;******************************************************************************
+;SAO Band Filter
+;******************************************************************************
+
+%macro HEVC_SAO_BAND_FILTER_INIT 1
+ and leftq, 31
+ movd xm0, leftd
+ add leftq, 1
+ and leftq, 31
+ movd xm1, leftd
+ add leftq, 1
+ and leftq, 31
+ movd xm2, leftd
+ add leftq, 1
+ and leftq, 31
+ movd xm3, leftd
+
+ SPLATW m0, xm0
+ SPLATW m1, xm1
+ SPLATW m2, xm2
+ SPLATW m3, xm3
+%if mmsize > 16
+ SPLATW m4, [offsetq + 2]
+ SPLATW m5, [offsetq + 4]
+ SPLATW m6, [offsetq + 6]
+ SPLATW m7, [offsetq + 8]
+%else
+ movq m7, [offsetq + 2]
+ SPLATW m4, m7, 0
+ SPLATW m5, m7, 1
+ SPLATW m6, m7, 2
+ SPLATW m7, m7, 3
+%endif
+
+%if ARCH_X86_64
+ mova m13, [pw_mask %+ %1]
+ pxor m14, m14
+
+%else ; ARCH_X86_32
+ mova [rsp+mmsize*0], m0
+ mova [rsp+mmsize*1], m1
+ mova [rsp+mmsize*2], m2
+ mova [rsp+mmsize*3], m3
+ mova [rsp+mmsize*4], m4
+ mova [rsp+mmsize*5], m5
+ mova [rsp+mmsize*6], m6
+ mova m1, [pw_mask %+ %1]
+ pxor m0, m0
+ %define m14 m0
+ %define m13 m1
+ %define m9 m2
+ %define m8 m3
+%endif ; ARCH
+DEFINE_ARGS dst, src, dststride, srcstride, offset, height
+ mov heightd, r7m
+%endmacro
+
+;void ff_hevc_sao_band_filter_<width>_<depth>_<opt>(uint8_t *_dst, uint8_t *_src, ptrdiff_t _stride_dst, ptrdiff_t _stride_src,
+; int16_t *sao_offset_val, int sao_left_class, int width, int height);
+%macro HEVC_SAO_BAND_FILTER 3
+cglobal hevc_sao_band_filter_%2_%1, 6, 6, 15, 7*mmsize*ARCH_X86_32, dst, src, dststride, srcstride, offset, left
+ HEVC_SAO_BAND_FILTER_INIT %1
+
+align 16
+.loop:
+
+%assign i 0
+%assign j 0
+%rep %3
+%assign k 8+(j&1)
+%assign l 9-(j&1)
+ mova m %+ k, [srcq + i]
+ psraw m %+ l, m %+ k, %1-5
+%if ARCH_X86_64
+ pcmpeqw m10, m %+ l, m0
+ pcmpeqw m11, m %+ l, m1
+ pcmpeqw m12, m %+ l, m2
+ pcmpeqw m %+ l, m3
+ pand m10, m4
+ pand m11, m5
+ pand m12, m6
+ pand m %+ l, m7
+ por m10, m11
+ por m12, m %+ l
+ por m10, m12
+ paddw m %+ k, m10
+%else ; ARCH_X86_32
+ pcmpeqw m4, m %+ l, [rsp+mmsize*0]
+ pcmpeqw m5, m %+ l, [rsp+mmsize*1]
+ pcmpeqw m6, m %+ l, [rsp+mmsize*2]
+ pcmpeqw m %+ l, [rsp+mmsize*3]
+ pand m4, [rsp+mmsize*4]
+ pand m5, [rsp+mmsize*5]
+ pand m6, [rsp+mmsize*6]
+ pand m %+ l, m7
+ por m4, m5
+ por m6, m %+ l
+ por m4, m6
+ paddw m %+ k, m4
+%endif ; ARCH
+ CLIPW m %+ k, m14, m13
+ mova [dstq + i], m %+ k
+%assign i i+mmsize
+%assign j j+1
+%endrep
+
+ add dstq, dststrideq
+ add srcq, srcstrideq
+ dec heightd
+ jg .loop
+ REP_RET
+%endmacro
+
+%macro HEVC_SAO_BAND_FILTER_FUNCS 0
+HEVC_SAO_BAND_FILTER 10, 8, 1
+HEVC_SAO_BAND_FILTER 10, 16, 2
+HEVC_SAO_BAND_FILTER 10, 32, 4
+HEVC_SAO_BAND_FILTER 10, 48, 6
+HEVC_SAO_BAND_FILTER 10, 64, 8
+
+HEVC_SAO_BAND_FILTER 12, 8, 1
+HEVC_SAO_BAND_FILTER 12, 16, 2
+HEVC_SAO_BAND_FILTER 12, 32, 4
+HEVC_SAO_BAND_FILTER 12, 48, 6
+HEVC_SAO_BAND_FILTER 12, 64, 8
+%endmacro
+
+INIT_XMM sse2
+HEVC_SAO_BAND_FILTER_FUNCS
+INIT_XMM avx
+HEVC_SAO_BAND_FILTER_FUNCS
+
+%if HAVE_AVX2_EXTERNAL
+INIT_XMM avx2
+HEVC_SAO_BAND_FILTER 10, 8, 1
+INIT_YMM avx2
+HEVC_SAO_BAND_FILTER 10, 16, 1
+HEVC_SAO_BAND_FILTER 10, 32, 2
+HEVC_SAO_BAND_FILTER 10, 48, 3
+HEVC_SAO_BAND_FILTER 10, 64, 4
+
+INIT_XMM avx2
+HEVC_SAO_BAND_FILTER 12, 8, 1
+INIT_YMM avx2
+HEVC_SAO_BAND_FILTER 12, 16, 1
+HEVC_SAO_BAND_FILTER 12, 32, 2
+HEVC_SAO_BAND_FILTER 12, 48, 3
+HEVC_SAO_BAND_FILTER 12, 64, 4
+%endif
+
+;******************************************************************************
+;SAO Edge Filter
+;******************************************************************************
+
+%define MAX_PB_SIZE 64
+%define PADDING_SIZE 64 ; AV_INPUT_BUFFER_PADDING_SIZE
+%define EDGE_SRCSTRIDE 2 * MAX_PB_SIZE + PADDING_SIZE
+
+%macro PMINUW 4
+%if cpuflag(sse4)
+ pminuw %1, %2, %3
+%else
+ psubusw %4, %2, %3
+ psubw %1, %2, %4
+%endif
+%endmacro
+
+%macro HEVC_SAO_EDGE_FILTER_INIT 0
+%if WIN64
+ movsxd eoq, dword eom
+%elif ARCH_X86_64
+ movsxd eoq, eod
+%else
+ mov eoq, r4m
+%endif
+ lea tmp2q, [pb_eo]
+ movsx a_strideq, byte [tmp2q+eoq*4+1]
+ movsx b_strideq, byte [tmp2q+eoq*4+3]
+ imul a_strideq, EDGE_SRCSTRIDE >> 1
+ imul b_strideq, EDGE_SRCSTRIDE >> 1
+ movsx tmpq, byte [tmp2q+eoq*4]
+ add a_strideq, tmpq
+ movsx tmpq, byte [tmp2q+eoq*4+2]
+ add b_strideq, tmpq
+%endmacro
+
+;void ff_hevc_sao_edge_filter_<width>_<depth>_<opt>(uint8_t *_dst, uint8_t *_src, ptrdiff_t stride_dst, int16_t *sao_offset_val,
+; int eo, int width, int height);
+%macro HEVC_SAO_EDGE_FILTER 3
+%if ARCH_X86_64
+cglobal hevc_sao_edge_filter_%2_%1, 4, 9, 16, dst, src, dststride, offset, eo, a_stride, b_stride, height, tmp
+%define tmp2q heightq
+ HEVC_SAO_EDGE_FILTER_INIT
+ mov heightd, r6m
+ add a_strideq, a_strideq
+ add b_strideq, b_strideq
+
+%else ; ARCH_X86_32
+cglobal hevc_sao_edge_filter_%2_%1, 1, 6, 8, 5*mmsize, dst, src, dststride, a_stride, b_stride, height
+%define eoq srcq
+%define tmpq heightq
+%define tmp2q dststrideq
+%define offsetq heightq
+%define m8 m1
+%define m9 m2
+%define m10 m3
+%define m11 m4
+%define m12 m5
+ HEVC_SAO_EDGE_FILTER_INIT
+ mov srcq, srcm
+ mov offsetq, r3m
+ mov dststrideq, dststridem
+ add a_strideq, a_strideq
+ add b_strideq, b_strideq
+
+%endif ; ARCH
+
+%if mmsize > 16
+ SPLATW m8, [offsetq+2]
+ SPLATW m9, [offsetq+4]
+ SPLATW m10, [offsetq+0]
+ SPLATW m11, [offsetq+6]
+ SPLATW m12, [offsetq+8]
+%else
+ movq m10, [offsetq+0]
+ movd m12, [offsetq+6]
+ SPLATW m8, xm10, 1
+ SPLATW m9, xm10, 2
+ SPLATW m10, xm10, 0
+ SPLATW m11, xm12, 0
+ SPLATW m12, xm12, 1
+%endif
+ pxor m0, m0
+%if ARCH_X86_64
+ mova m13, [pw_m1]
+ mova m14, [pw_1]
+ mova m15, [pw_2]
+%else
+ mov heightd, r6m
+ mova [rsp+mmsize*0], m8
+ mova [rsp+mmsize*1], m9
+ mova [rsp+mmsize*2], m10
+ mova [rsp+mmsize*3], m11
+ mova [rsp+mmsize*4], m12
+%endif
+
+align 16
+.loop:
+
+%assign i 0
+%rep %3
+ mova m1, [srcq + i]
+ movu m2, [srcq+a_strideq + i]
+ movu m3, [srcq+b_strideq + i]
+ PMINUW m4, m1, m2, m6
+ PMINUW m5, m1, m3, m7
+ pcmpeqw m2, m4
+ pcmpeqw m3, m5
+ pcmpeqw m4, m1
+ pcmpeqw m5, m1
+ psubw m4, m2
+ psubw m5, m3
+
+ paddw m4, m5
+ pcmpeqw m2, m4, [pw_m2]
+%if ARCH_X86_64
+ pcmpeqw m3, m4, m13
+ pcmpeqw m5, m4, m0
+ pcmpeqw m6, m4, m14
+ pcmpeqw m7, m4, m15
+ pand m2, m8
+ pand m3, m9
+ pand m5, m10
+ pand m6, m11
+ pand m7, m12
+%else
+ pcmpeqw m3, m4, [pw_m1]
+ pcmpeqw m5, m4, m0
+ pcmpeqw m6, m4, [pw_1]
+ pcmpeqw m7, m4, [pw_2]
+ pand m2, [rsp+mmsize*0]
+ pand m3, [rsp+mmsize*1]
+ pand m5, [rsp+mmsize*2]
+ pand m6, [rsp+mmsize*3]
+ pand m7, [rsp+mmsize*4]
+%endif
+ paddw m2, m3
+ paddw m5, m6
+ paddw m2, m7
+ paddw m2, m1
+ paddw m2, m5
+ CLIPW m2, m0, [pw_mask %+ %1]
+ mova [dstq + i], m2
+%assign i i+mmsize
+%endrep
+
+ add dstq, dststrideq
+ add srcq, EDGE_SRCSTRIDE
+ dec heightd
+ jg .loop
+ RET
+%endmacro
+
+INIT_XMM sse2
+HEVC_SAO_EDGE_FILTER 10, 8, 1
+HEVC_SAO_EDGE_FILTER 10, 16, 2
+HEVC_SAO_EDGE_FILTER 10, 32, 4
+HEVC_SAO_EDGE_FILTER 10, 48, 6
+HEVC_SAO_EDGE_FILTER 10, 64, 8
+
+HEVC_SAO_EDGE_FILTER 12, 8, 1
+HEVC_SAO_EDGE_FILTER 12, 16, 2
+HEVC_SAO_EDGE_FILTER 12, 32, 4
+HEVC_SAO_EDGE_FILTER 12, 48, 6
+HEVC_SAO_EDGE_FILTER 12, 64, 8
+
+%if HAVE_AVX2_EXTERNAL
+INIT_XMM avx2
+HEVC_SAO_EDGE_FILTER 10, 8, 1
+INIT_YMM avx2
+HEVC_SAO_EDGE_FILTER 10, 16, 1
+HEVC_SAO_EDGE_FILTER 10, 32, 2
+HEVC_SAO_EDGE_FILTER 10, 48, 3
+HEVC_SAO_EDGE_FILTER 10, 64, 4
+
+INIT_XMM avx2
+HEVC_SAO_EDGE_FILTER 12, 8, 1
+INIT_YMM avx2
+HEVC_SAO_EDGE_FILTER 12, 16, 1
+HEVC_SAO_EDGE_FILTER 12, 32, 2
+HEVC_SAO_EDGE_FILTER 12, 48, 3
+HEVC_SAO_EDGE_FILTER 12, 64, 4
+%endif
OpenPOWER on IntegriCloud