ffmpeg-2.8.5

git-svn-id: svn://kolibrios.org@6147 a494cfbc-eb01-0410-851d-a64ba20cac60

contrib/sdk/sources/ffmpeg/ffmpeg-2.8/libavcodec/x86/jpeg2000dsp.asm

@@ -0,0 +1,144 @@
+;******************************************************************************
+;* SIMD-optimized JPEG2000 DSP functions
+;* Copyright (c) 2014 Nicolas Bertrand
+;* Copyright (c) 2015 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
+
+pf_ict0: times 8 dd 1.402
+pf_ict1: times 8 dd 0.34413
+pf_ict2: times 8 dd 0.71414
+pf_ict3: times 8 dd 1.772
+
+SECTION .text
+
+;***********************************************************************
+; ff_ict_float_<opt>(float *src0, float *src1, float *src2, int csize)
+;***********************************************************************
+%macro ICT_FLOAT 1
+cglobal ict_float, 4, 4, %1, src0, src1, src2, csize
+    shl  csized, 2
+    add   src0q, csizeq
+    add   src1q, csizeq
+    add   src2q, csizeq
+    neg  csizeq
+    movaps   m6, [pf_ict0]
+    movaps   m7, [pf_ict1]
+    %define ICT0 m6
+    %define ICT1 m7
+
+%if ARCH_X86_64
+    movaps   m8, [pf_ict2]
+    %define ICT2 m8
+%if cpuflag(avx)
+    movaps   m3, [pf_ict3]
+    %define ICT3 m3
+%else
+    movaps   m9, [pf_ict3]
+    %define ICT3 m9
+%endif
+
+%else ; ARCH_X86_32
+    %define ICT2 [pf_ict2]
+%if cpuflag(avx)
+    movaps   m3, [pf_ict3]
+    %define ICT3 m3
+%else
+    %define ICT3 [pf_ict3]
+%endif
+
+%endif ; ARCH
+
+align 16
+.loop:
+    movaps   m0, [src0q+csizeq]
+    movaps   m1, [src1q+csizeq]
+    movaps   m2, [src2q+csizeq]
+
+%if cpuflag(avx)
+    mulps    m5, m1, ICT1
+    mulps    m4, m2, ICT0
+    mulps    m1, m1, ICT3
+    mulps    m2, m2, ICT2
+    subps    m5, m0, m5
+%else ; sse
+    movaps   m3, m1
+    movaps   m4, m2
+    movaps   m5, m0
+    mulps    m3, ICT1
+    mulps    m4, ICT0
+    mulps    m1, ICT3
+    mulps    m2, ICT2
+    subps    m5, m3
+%endif
+    addps    m4, m4, m0
+    addps    m0, m0, m1
+    subps    m5, m5, m2
+
+    movaps   [src0q+csizeq], m4
+    movaps   [src2q+csizeq], m0
+    movaps   [src1q+csizeq], m5
+    add  csizeq, mmsize
+    jl .loop
+    REP_RET
+%endmacro
+
+INIT_XMM sse
+ICT_FLOAT 10
+INIT_YMM avx
+ICT_FLOAT 9
+
+;***************************************************************************
+; ff_rct_int_<opt>(int32_t *src0, int32_t *src1, int32_t *src2, int csize)
+;***************************************************************************
+%macro RCT_INT 0
+cglobal rct_int, 4, 4, 4, src0, src1, src2, csize
+    shl  csized, 2
+    add   src0q, csizeq
+    add   src1q, csizeq
+    add   src2q, csizeq
+    neg  csizeq
+
+align 16
+.loop:
+    mova   m1, [src1q+csizeq]
+    mova   m2, [src2q+csizeq]
+    mova   m0, [src0q+csizeq]
+    paddd  m3, m1, m2
+    psrad  m3, 2
+    psubd  m0, m3
+    paddd  m1, m0
+    paddd  m2, m0
+    mova   [src1q+csizeq], m0
+    mova   [src2q+csizeq], m1
+    mova   [src0q+csizeq], m2
+    add  csizeq, mmsize
+    jl .loop
+    REP_RET
+%endmacro
+
+INIT_XMM sse2
+RCT_INT
+%if HAVE_AVX2_EXTERNAL
+INIT_YMM avx2
+RCT_INT
+%endif