avcodec/jpeg200dsp: add ff_ict_float_{sse,avx}

Original intrinsics version by Nicolas Bertrand.
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

libavcodec/jpeg2000.c

@@ -215,6 +215,7 @@ int ff_jpeg2000_init_component(Jpeg2000Component *comp,
             (comp->coord[1][1] - comp->coord[1][0]);
 
     if (codsty->transform == FF_DWT97) {
+        csize += FF_INPUT_BUFFER_PADDING_SIZE / sizeof(*comp->f_data);
         comp->i_data = NULL;
         comp->f_data = av_mallocz_array(csize, sizeof(*comp->f_data));
         if (!comp->f_data)

libavcodec/jpeg2000dsp.c

@@ -95,4 +95,7 @@ av_cold void ff_jpeg2000dsp_init(Jpeg2000DSPContext *c)
     c->mct_decode[FF_DWT97]     = ict_float;
     c->mct_decode[FF_DWT53]     = rct_int;
     c->mct_decode[FF_DWT97_INT] = ict_int;
+
+    if (ARCH_X86)
+        ff_jpeg2000dsp_init_x86(c);
 }

libavcodec/jpeg2000dsp.h

@@ -31,5 +31,6 @@ typedef struct Jpeg2000DSPContext {
 } Jpeg2000DSPContext;
 
 void ff_jpeg2000dsp_init(Jpeg2000DSPContext *c);
+void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c);
 
 #endif /* AVCODEC_JPEG2000DSP_H */

libavcodec/x86/Makefile

@@ -44,6 +44,7 @@ OBJS-$(CONFIG_CAVS_DECODER)            += x86/cavsdsp.o
 OBJS-$(CONFIG_DCA_DECODER)             += x86/dcadsp_init.o
 OBJS-$(CONFIG_DNXHD_ENCODER)           += x86/dnxhdenc_init.o
 OBJS-$(CONFIG_HEVC_DECODER)            += x86/hevcdsp_init.o
+OBJS-$(CONFIG_JPEG2000_DECODER)        += x86/jpeg2000dsp_init.o
 OBJS-$(CONFIG_MLP_DECODER)             += x86/mlpdsp_init.o
 OBJS-$(CONFIG_MPEG4_DECODER)           += x86/xvididct_init.o
 OBJS-$(CONFIG_PNG_DECODER)             += x86/pngdsp_init.o
@@ -138,6 +139,7 @@ YASM-OBJS-$(CONFIG_HEVC_DECODER)       += x86/hevc_mc.o                 \
                                           x86/hevc_idct.o               \
                                           x86/hevc_res_add.o            \
                                           x86/hevc_sao.o
+YASM-OBJS-$(CONFIG_JPEG2000_DECODER)   += x86/jpeg2000dsp.o
 YASM-OBJS-$(CONFIG_MLP_DECODER)        += x86/mlpdsp.o
 YASM-OBJS-$(CONFIG_MPEG4_DECODER)      += x86/xvididct.o
 YASM-OBJS-$(CONFIG_PNG_DECODER)        += x86/pngdsp.o

libavcodec/x86/jpeg2000dsp.asm

+;******************************************************************************
+;* 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

libavcodec/x86/jpeg2000dsp_init.c

+/*
+ * SIMD optimized JPEG 2000 DSP functions
+ * 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/attributes.h"
+#include "libavutil/cpu.h"
+#include "libavutil/x86/cpu.h"
+#include "libavcodec/jpeg2000dsp.h"
+
+void ff_ict_float_sse(void *src0, void *src1, void *src2, int csize);
+void ff_ict_float_avx(void *src0, void *src1, void *src2, int csize);
+
+av_cold void ff_jpeg2000dsp_init_x86(Jpeg2000DSPContext *c)
+{
+    int cpu_flags = av_get_cpu_flags();
+    if (EXTERNAL_SSE(cpu_flags)) {
+        c->mct_decode[FF_DWT97] = ff_ict_float_sse;
+    }
+
+    if (EXTERNAL_AVX_FAST(cpu_flags)) {
+        c->mct_decode[FF_DWT97] = ff_ict_float_avx;
+    }
+}