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FFmpeg/libavcodec/x86/cavsdsp.c
Ronald S. Bultje 2f0591cfa3 cavs: add a sse2 idct implementation. 
This makes using the function pointer ff_add_pixels_clamped() unnecessary,
since we always know what the best implementation is at compile-time.
2017-04-06 10:03:28 -04:00

465 lines
18 KiB
C
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/*
* Chinese AVS video (AVS1-P2, JiZhun profile) decoder.
* Copyright (c) 2006 Stefan Gehrer <stefan.gehrer@gmx.de>
*
* MMX-optimized DSP functions, based on H.264 optimizations by
* Michael Niedermayer and Loren Merritt
*
* 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/common.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/asm.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/cavsdsp.h"
#include "libavcodec/idctdsp.h"
#include "libavcodec/x86/idctdsp.h"
#include "constants.h"
#include "fpel.h"
#include "idctdsp.h"
#include "config.h"
#if HAVE_MMX_EXTERNAL
void ff_cavs_idct8_mmx(int16_t *out, const int16_t *in);
static void cavs_idct8_add_mmx(uint8_t *dst, int16_t *block, ptrdiff_t stride)
{
LOCAL_ALIGNED(16, int16_t, b2, [64]);
ff_cavs_idct8_mmx(b2, block);
ff_add_pixels_clamped_mmx(b2, dst, stride);
}
void ff_cavs_idct8_sse2(int16_t *out, const int16_t *in);
static void cavs_idct8_add_sse2(uint8_t *dst, int16_t *block, ptrdiff_t stride)
{
LOCAL_ALIGNED(16, int16_t, b2, [64]);
ff_cavs_idct8_sse2(b2, block);
ff_add_pixels_clamped_sse2(b2, dst, stride);
}
#endif /* HAVE_MMX_EXTERNAL */
#if (HAVE_MMXEXT_INLINE || HAVE_AMD3DNOW_INLINE)
/*****************************************************************************
*
* motion compensation
*
****************************************************************************/
/* vertical filter [-1 -2 96 42 -7 0] */
#define QPEL_CAVSV1(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
"movd (%0), "#F" \n\t"\
"movq "#C", %%mm6 \n\t"\
"pmullw "MANGLE(MUL1)", %%mm6\n\t"\
"movq "#D", %%mm7 \n\t"\
"pmullw "MANGLE(MUL2)", %%mm7\n\t"\
"psllw $3, "#E" \n\t"\
"psubw "#E", %%mm6 \n\t"\
"psraw $3, "#E" \n\t"\
"paddw %%mm7, %%mm6 \n\t"\
"paddw "#E", %%mm6 \n\t"\
"paddw "#B", "#B" \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"add %2, %0 \n\t"\
"punpcklbw %%mm7, "#F" \n\t"\
"psubw "#B", %%mm6 \n\t"\
"psraw $1, "#B" \n\t"\
"psubw "#A", %%mm6 \n\t"\
"paddw "MANGLE(ADD)", %%mm6 \n\t"\
"psraw $7, %%mm6 \n\t"\
"packuswb %%mm6, %%mm6 \n\t"\
OP(%%mm6, (%1), A, d) \
"add %3, %1 \n\t"
/* vertical filter [ 0 -1 5 5 -1 0] */
#define QPEL_CAVSV2(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
"movd (%0), "#F" \n\t"\
"movq "#C", %%mm6 \n\t"\
"paddw "#D", %%mm6 \n\t"\
"pmullw "MANGLE(MUL1)", %%mm6\n\t"\
"add %2, %0 \n\t"\
"punpcklbw %%mm7, "#F" \n\t"\
"psubw "#B", %%mm6 \n\t"\
"psubw "#E", %%mm6 \n\t"\
"paddw "MANGLE(ADD)", %%mm6 \n\t"\
"psraw $3, %%mm6 \n\t"\
"packuswb %%mm6, %%mm6 \n\t"\
OP(%%mm6, (%1), A, d) \
"add %3, %1 \n\t"
/* vertical filter [ 0 -7 42 96 -2 -1] */
#define QPEL_CAVSV3(A,B,C,D,E,F,OP,ADD, MUL1, MUL2) \
"movd (%0), "#F" \n\t"\
"movq "#C", %%mm6 \n\t"\
"pmullw "MANGLE(MUL2)", %%mm6\n\t"\
"movq "#D", %%mm7 \n\t"\
"pmullw "MANGLE(MUL1)", %%mm7\n\t"\
"psllw $3, "#B" \n\t"\
"psubw "#B", %%mm6 \n\t"\
"psraw $3, "#B" \n\t"\
"paddw %%mm7, %%mm6 \n\t"\
"paddw "#B", %%mm6 \n\t"\
"paddw "#E", "#E" \n\t"\
"pxor %%mm7, %%mm7 \n\t"\
"add %2, %0 \n\t"\
"punpcklbw %%mm7, "#F" \n\t"\
"psubw "#E", %%mm6 \n\t"\
"psraw $1, "#E" \n\t"\
"psubw "#F", %%mm6 \n\t"\
"paddw "MANGLE(ADD)", %%mm6 \n\t"\
"psraw $7, %%mm6 \n\t"\
"packuswb %%mm6, %%mm6 \n\t"\
OP(%%mm6, (%1), A, d) \
"add %3, %1 \n\t"
#define QPEL_CAVSVNUM(VOP,OP,ADD,MUL1,MUL2)\
int w= 2;\
src -= 2*srcStride;\
\
while(w--){\
__asm__ volatile(\
"pxor %%mm7, %%mm7 \n\t"\
"movd (%0), %%mm0 \n\t"\
"add %2, %0 \n\t"\
"movd (%0), %%mm1 \n\t"\
"add %2, %0 \n\t"\
"movd (%0), %%mm2 \n\t"\
"add %2, %0 \n\t"\
"movd (%0), %%mm3 \n\t"\
"add %2, %0 \n\t"\
"movd (%0), %%mm4 \n\t"\
"add %2, %0 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"punpcklbw %%mm7, %%mm1 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpcklbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm4 \n\t"\
VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
VOP(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP, ADD, MUL1, MUL2)\
VOP(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP, ADD, MUL1, MUL2)\
VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
\
: "+a"(src), "+c"(dst)\
: "S"((x86_reg)srcStride), "r"((x86_reg)dstStride)\
NAMED_CONSTRAINTS_ADD(ADD,MUL1,MUL2)\
: "memory"\
);\
if(h==16){\
__asm__ volatile(\
VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
VOP(%%mm4, %%mm5, %%mm0, %%mm1, %%mm2, %%mm3, OP, ADD, MUL1, MUL2)\
VOP(%%mm5, %%mm0, %%mm1, %%mm2, %%mm3, %%mm4, OP, ADD, MUL1, MUL2)\
VOP(%%mm0, %%mm1, %%mm2, %%mm3, %%mm4, %%mm5, OP, ADD, MUL1, MUL2)\
VOP(%%mm1, %%mm2, %%mm3, %%mm4, %%mm5, %%mm0, OP, ADD, MUL1, MUL2)\
VOP(%%mm2, %%mm3, %%mm4, %%mm5, %%mm0, %%mm1, OP, ADD, MUL1, MUL2)\
VOP(%%mm3, %%mm4, %%mm5, %%mm0, %%mm1, %%mm2, OP, ADD, MUL1, MUL2)\
\
: "+a"(src), "+c"(dst)\
: "S"((x86_reg)srcStride), "r"((x86_reg)dstStride)\
NAMED_CONSTRAINTS_ADD(ADD,MUL1,MUL2)\
: "memory"\
);\
}\
src += 4-(h+5)*srcStride;\
dst += 4-h*dstStride;\
}
#define QPEL_CAVS(OPNAME, OP, MMX)\
static void OPNAME ## cavs_qpel8_h_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{\
int h=8;\
__asm__ volatile(\
"pxor %%mm7, %%mm7 \n\t"\
"movq "MANGLE(ff_pw_5)", %%mm6\n\t"\
"1: \n\t"\
"movq (%0), %%mm0 \n\t"\
"movq 1(%0), %%mm2 \n\t"\
"movq %%mm0, %%mm1 \n\t"\
"movq %%mm2, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm0 \n\t"\
"punpckhbw %%mm7, %%mm1 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm3 \n\t"\
"paddw %%mm2, %%mm0 \n\t"\
"paddw %%mm3, %%mm1 \n\t"\
"pmullw %%mm6, %%mm0 \n\t"\
"pmullw %%mm6, %%mm1 \n\t"\
"movq -1(%0), %%mm2 \n\t"\
"movq 2(%0), %%mm4 \n\t"\
"movq %%mm2, %%mm3 \n\t"\
"movq %%mm4, %%mm5 \n\t"\
"punpcklbw %%mm7, %%mm2 \n\t"\
"punpckhbw %%mm7, %%mm3 \n\t"\
"punpcklbw %%mm7, %%mm4 \n\t"\
"punpckhbw %%mm7, %%mm5 \n\t"\
"paddw %%mm4, %%mm2 \n\t"\
"paddw %%mm3, %%mm5 \n\t"\
"psubw %%mm2, %%mm0 \n\t"\
"psubw %%mm5, %%mm1 \n\t"\
"movq "MANGLE(ff_pw_4)", %%mm5\n\t"\
"paddw %%mm5, %%mm0 \n\t"\
"paddw %%mm5, %%mm1 \n\t"\
"psraw $3, %%mm0 \n\t"\
"psraw $3, %%mm1 \n\t"\
"packuswb %%mm1, %%mm0 \n\t"\
OP(%%mm0, (%1),%%mm5, q) \
"add %3, %0 \n\t"\
"add %4, %1 \n\t"\
"decl %2 \n\t"\
" jnz 1b \n\t"\
: "+a"(src), "+c"(dst), "+m"(h)\
: "d"((x86_reg)srcStride), "S"((x86_reg)dstStride)\
NAMED_CONSTRAINTS_ADD(ff_pw_4,ff_pw_5)\
: "memory"\
);\
}\
\
static inline void OPNAME ## cavs_qpel8or16_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
{ \
QPEL_CAVSVNUM(QPEL_CAVSV1,OP,ff_pw_64,ff_pw_96,ff_pw_42) \
}\
\
static inline void OPNAME ## cavs_qpel8or16_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
{ \
QPEL_CAVSVNUM(QPEL_CAVSV2,OP,ff_pw_4,ff_pw_5,ff_pw_42) \
}\
\
static inline void OPNAME ## cavs_qpel8or16_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride, int h)\
{ \
QPEL_CAVSVNUM(QPEL_CAVSV3,OP,ff_pw_64,ff_pw_96,ff_pw_42) \
}\
\
static void OPNAME ## cavs_qpel8_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst , src , dstStride, srcStride, 8);\
}\
static void OPNAME ## cavs_qpel16_v1_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst , src , dstStride, srcStride, 16);\
OPNAME ## cavs_qpel8or16_v1_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
}\
\
static void OPNAME ## cavs_qpel8_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst , src , dstStride, srcStride, 8);\
}\
static void OPNAME ## cavs_qpel16_v2_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst , src , dstStride, srcStride, 16);\
OPNAME ## cavs_qpel8or16_v2_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
}\
\
static void OPNAME ## cavs_qpel8_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst , src , dstStride, srcStride, 8);\
}\
static void OPNAME ## cavs_qpel16_v3_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst , src , dstStride, srcStride, 16);\
OPNAME ## cavs_qpel8or16_v3_ ## MMX(dst+8, src+8, dstStride, srcStride, 16);\
}\
\
static void OPNAME ## cavs_qpel16_h_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t dstStride, ptrdiff_t srcStride)\
{ \
OPNAME ## cavs_qpel8_h_ ## MMX(dst , src , dstStride, srcStride);\
OPNAME ## cavs_qpel8_h_ ## MMX(dst+8, src+8, dstStride, srcStride);\
src += 8*srcStride;\
dst += 8*dstStride;\
OPNAME ## cavs_qpel8_h_ ## MMX(dst , src , dstStride, srcStride);\
OPNAME ## cavs_qpel8_h_ ## MMX(dst+8, src+8, dstStride, srcStride);\
}\
#define CAVS_MC(OPNAME, SIZE, MMX) \
static void OPNAME ## cavs_qpel ## SIZE ## _mc20_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## cavs_qpel ## SIZE ## _h_ ## MMX(dst, src, stride, stride);\
}\
\
static void OPNAME ## cavs_qpel ## SIZE ## _mc01_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## cavs_qpel ## SIZE ## _v1_ ## MMX(dst, src, stride, stride);\
}\
\
static void OPNAME ## cavs_qpel ## SIZE ## _mc02_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## cavs_qpel ## SIZE ## _v2_ ## MMX(dst, src, stride, stride);\
}\
\
static void OPNAME ## cavs_qpel ## SIZE ## _mc03_ ## MMX(uint8_t *dst, const uint8_t *src, ptrdiff_t stride)\
{\
OPNAME ## cavs_qpel ## SIZE ## _v3_ ## MMX(dst, src, stride, stride);\
}\
#define PUT_OP(a,b,temp, size) "mov" #size " " #a ", " #b " \n\t"
#define AVG_3DNOW_OP(a,b,temp, size) \
"mov" #size " " #b ", " #temp " \n\t"\
"pavgusb " #temp ", " #a " \n\t"\
"mov" #size " " #a ", " #b " \n\t"
#define AVG_MMXEXT_OP(a, b, temp, size) \
"mov" #size " " #b ", " #temp " \n\t"\
"pavgb " #temp ", " #a " \n\t"\
"mov" #size " " #a ", " #b " \n\t"
#endif /* (HAVE_MMXEXT_INLINE || HAVE_AMD3DNOW_INLINE) */
#if HAVE_MMX_EXTERNAL
static void put_cavs_qpel8_mc00_mmx(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_put_pixels8_mmx(dst, src, stride, 8);
}
static void avg_cavs_qpel8_mc00_mmx(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_avg_pixels8_mmx(dst, src, stride, 8);
}
static void avg_cavs_qpel8_mc00_mmxext(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_avg_pixels8_mmxext(dst, src, stride, 8);
}
static void put_cavs_qpel16_mc00_mmx(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_put_pixels16_mmx(dst, src, stride, 16);
}
static void avg_cavs_qpel16_mc00_mmx(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_avg_pixels16_mmx(dst, src, stride, 16);
}
static void avg_cavs_qpel16_mc00_mmxext(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_avg_pixels16_mmxext(dst, src, stride, 16);
}
static void put_cavs_qpel16_mc00_sse2(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_put_pixels16_sse2(dst, src, stride, 16);
}
static void avg_cavs_qpel16_mc00_sse2(uint8_t *dst, const uint8_t *src,
ptrdiff_t stride)
{
ff_avg_pixels16_sse2(dst, src, stride, 16);
}
#endif
static av_cold void cavsdsp_init_mmx(CAVSDSPContext *c,
AVCodecContext *avctx)
{
#if HAVE_MMX_EXTERNAL
c->put_cavs_qpel_pixels_tab[0][0] = put_cavs_qpel16_mc00_mmx;
c->put_cavs_qpel_pixels_tab[1][0] = put_cavs_qpel8_mc00_mmx;
c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_mmx;
c->avg_cavs_qpel_pixels_tab[1][0] = avg_cavs_qpel8_mc00_mmx;
c->cavs_idct8_add = cavs_idct8_add_mmx;
c->idct_perm = FF_IDCT_PERM_TRANSPOSE;
#endif /* HAVE_MMX_EXTERNAL */
}
#define DSPFUNC(PFX, IDX, NUM, EXT) \
c->PFX ## _cavs_qpel_pixels_tab[IDX][ 2] = PFX ## _cavs_qpel ## NUM ## _mc20_ ## EXT; \
c->PFX ## _cavs_qpel_pixels_tab[IDX][ 4] = PFX ## _cavs_qpel ## NUM ## _mc01_ ## EXT; \
c->PFX ## _cavs_qpel_pixels_tab[IDX][ 8] = PFX ## _cavs_qpel ## NUM ## _mc02_ ## EXT; \
c->PFX ## _cavs_qpel_pixels_tab[IDX][12] = PFX ## _cavs_qpel ## NUM ## _mc03_ ## EXT; \
#if HAVE_MMXEXT_INLINE
QPEL_CAVS(put_, PUT_OP, mmxext)
QPEL_CAVS(avg_, AVG_MMXEXT_OP, mmxext)
CAVS_MC(put_, 8, mmxext)
CAVS_MC(put_, 16, mmxext)
CAVS_MC(avg_, 8, mmxext)
CAVS_MC(avg_, 16, mmxext)
#endif /* HAVE_MMXEXT_INLINE */
#if HAVE_AMD3DNOW_INLINE
QPEL_CAVS(put_, PUT_OP, 3dnow)
QPEL_CAVS(avg_, AVG_3DNOW_OP, 3dnow)
CAVS_MC(put_, 8, 3dnow)
CAVS_MC(put_, 16,3dnow)
CAVS_MC(avg_, 8, 3dnow)
CAVS_MC(avg_, 16,3dnow)
static av_cold void cavsdsp_init_3dnow(CAVSDSPContext *c,
AVCodecContext *avctx)
{
DSPFUNC(put, 0, 16, 3dnow);
DSPFUNC(put, 1, 8, 3dnow);
DSPFUNC(avg, 0, 16, 3dnow);
DSPFUNC(avg, 1, 8, 3dnow);
}
#endif /* HAVE_AMD3DNOW_INLINE */
av_cold void ff_cavsdsp_init_x86(CAVSDSPContext *c, AVCodecContext *avctx)
{
av_unused int cpu_flags = av_get_cpu_flags();
if (X86_MMX(cpu_flags))
cavsdsp_init_mmx(c, avctx);
#if HAVE_AMD3DNOW_INLINE
if (INLINE_AMD3DNOW(cpu_flags))
cavsdsp_init_3dnow(c, avctx);
#endif /* HAVE_AMD3DNOW_INLINE */
#if HAVE_MMXEXT_INLINE
if (INLINE_MMXEXT(cpu_flags)) {
DSPFUNC(put, 0, 16, mmxext);
DSPFUNC(put, 1, 8, mmxext);
DSPFUNC(avg, 0, 16, mmxext);
DSPFUNC(avg, 1, 8, mmxext);
}
#endif
#if HAVE_MMX_EXTERNAL
if (EXTERNAL_MMXEXT(cpu_flags)) {
c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_mmxext;
c->avg_cavs_qpel_pixels_tab[1][0] = avg_cavs_qpel8_mc00_mmxext;
}
#endif
#if HAVE_SSE2_EXTERNAL
if (EXTERNAL_SSE2(cpu_flags)) {
c->put_cavs_qpel_pixels_tab[0][0] = put_cavs_qpel16_mc00_sse2;
c->avg_cavs_qpel_pixels_tab[0][0] = avg_cavs_qpel16_mc00_sse2;
c->cavs_idct8_add = cavs_idct8_add_sse2;
c->idct_perm = FF_IDCT_PERM_TRANSPOSE;
}
#endif
}
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