[Mplayer-cvslog] CVS: main/libmpeg2 alloc.c,NONE,1.1 alpha_asm.h,NONE,1.1 convert.h,NONE,1.1 cpu_accel.c,NONE,1.1 cpu_state.c,NONE,1.1 decode.c,1.23,1.24 idct_alpha.c,NONE,1.1 idct_altivec.c,NONE,1.1 motion_comp_alpha.c,NONE,1.1 motion_comp_altivec.c,NONE,1.1
Arpi of Ize
arpi at mplayerhq.hu
Sun Apr 6 18:41:52 CEST 2003
Update of /cvsroot/mplayer/main/libmpeg2
In directory mail:/var/tmp.root/cvs-serv12821
Added Files:
alloc.c alpha_asm.h convert.h cpu_accel.c cpu_state.c decode.c
idct_alpha.c idct_altivec.c motion_comp_alpha.c
motion_comp_altivec.c
Log Message:
Importing libmpeg2 from mpeg2dec-0.3.1
--- NEW FILE ---
/*
* alloc.c
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <inttypes.h>
#include "mpeg2.h"
#include "mpeg2_internal.h"
#if defined(HAVE_MEMALIGN) && !defined(__cplusplus)
/* some systems have memalign() but no declaration for it */
void * memalign (size_t align, size_t size);
#endif
void * (* mpeg2_malloc_hook) (int size, int reason) = NULL;
int (* mpeg2_free_hook) (void * buf) = NULL;
void * mpeg2_malloc (int size, int reason)
{
char * buf;
if (mpeg2_malloc_hook) {
buf = (char *) mpeg2_malloc_hook (size, reason);
if (buf)
return buf;
}
#if defined(HAVE_MEMALIGN) && !defined(__cplusplus) && !defined(DEBUG)
return memalign (16, size);
#else
buf = (char *) malloc (size + 15 + sizeof (void **));
if (buf) {
char * align_buf;
align_buf = buf + 15 + sizeof (void **);
align_buf -= (long)align_buf & 15;
*(((void **)align_buf) - 1) = buf;
return align_buf;
}
return NULL;
#endif
}
void mpeg2_free (void * buf)
{
if (mpeg2_free_hook && mpeg2_free_hook (buf))
return;
#if defined(HAVE_MEMALIGN) && !defined(__cplusplus) && !defined(DEBUG)
free (buf);
#else
free (*(((void **)buf) - 1));
#endif
}
--- NEW FILE ---
/*
* Alpha assembly macros
* Copyright (c) 2002 Falk Hueffner <falk at debian.org>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef ALPHA_ASM_H
#define ALPHA_ASM_H
#include <inttypes.h>
#if defined __GNUC__
# define GNUC_PREREQ(maj, min) \
((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
#else
# define GNUC_PREREQ(maj, min) 0
#endif
#define AMASK_BWX (1 << 0)
#define AMASK_FIX (1 << 1)
#define AMASK_CIX (1 << 2)
#define AMASK_MVI (1 << 8)
#ifdef __alpha_bwx__
# define HAVE_BWX() 1
#else
# define HAVE_BWX() (amask(AMASK_BWX) == 0)
#endif
#ifdef __alpha_fix__
# define HAVE_FIX() 1
#else
# define HAVE_FIX() (amask(AMASK_FIX) == 0)
#endif
#ifdef __alpha_max__
# define HAVE_MVI() 1
#else
# define HAVE_MVI() (amask(AMASK_MVI) == 0)
#endif
#ifdef __alpha_cix__
# define HAVE_CIX() 1
#else
# define HAVE_CIX() (amask(AMASK_CIX) == 0)
#endif
inline static uint64_t BYTE_VEC(uint64_t x)
{
x |= x << 8;
x |= x << 16;
x |= x << 32;
return x;
}
inline static uint64_t WORD_VEC(uint64_t x)
{
x |= x << 16;
x |= x << 32;
return x;
}
#define ldq(p) (*(const uint64_t *) (p))
#define ldl(p) (*(const int32_t *) (p))
#define stl(l, p) do { *(uint32_t *) (p) = (l); } while (0)
#define stq(l, p) do { *(uint64_t *) (p) = (l); } while (0)
#define sextw(x) ((int16_t) (x))
#ifdef __GNUC__
struct unaligned_long { uint64_t l; } __attribute__((packed));
#define ldq_u(p) (*(const uint64_t *) (((uint64_t) (p)) & ~7ul))
#define uldq(a) (((const struct unaligned_long *) (a))->l)
#if GNUC_PREREQ(3,0)
/* Unfortunately, __builtin_prefetch is slightly buggy on Alpha. The
defines here are kludged so we still get the right
instruction. This needs to be adapted as soon as gcc is fixed. */
# define prefetch(p) __builtin_prefetch((p), 0, 1)
# define prefetch_en(p) __builtin_prefetch((p), 1, 1)
# define prefetch_m(p) __builtin_prefetch((p), 0, 0)
# define prefetch_men(p) __builtin_prefetch((p), 1, 0)
#else
# define prefetch(p) asm volatile("ldl $31,%0" : : "m"(*(const char *) (p)) : "memory")
# define prefetch_en(p) asm volatile("ldq $31,%0" : : "m"(*(const char *) (p)) : "memory")
# define prefetch_m(p) asm volatile("lds $f31,%0" : : "m"(*(const char *) (p)) : "memory")
# define prefetch_men(p) asm volatile("ldt $f31,%0" : : "m"(*(const char *) (p)) : "memory")
#endif
#if GNUC_PREREQ(3,3)
#define cmpbge __builtin_alpha_cmpbge
/* Avoid warnings. */
#define extql(a, b) __builtin_alpha_extql(a, (uint64_t) (b))
#define extwl(a, b) __builtin_alpha_extwl(a, (uint64_t) (b))
#define extqh(a, b) __builtin_alpha_extqh(a, (uint64_t) (b))
#define zap __builtin_alpha_zap
#define zapnot __builtin_alpha_zapnot
#define amask __builtin_alpha_amask
#define implver __builtin_alpha_implver
#define rpcc __builtin_alpha_rpcc
#define minub8 __builtin_alpha_minub8
#define minsb8 __builtin_alpha_minsb8
#define minuw4 __builtin_alpha_minuw4
#define minsw4 __builtin_alpha_minsw4
#define maxub8 __builtin_alpha_maxub8
#define maxsb8 __builtin_alpha_maxsb8
#define maxuw4 __builtin_alpha_maxuw4
#define maxsw4 __builtin_alpha_maxsw4
#define perr __builtin_alpha_perr
#define pklb __builtin_alpha_pklb
#define pkwb __builtin_alpha_pkwb
#define unpkbl __builtin_alpha_unpkbl
#define unpkbw __builtin_alpha_unpkbw
#else
#define cmpbge(a, b) ({ uint64_t __r; asm ("cmpbge %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
#define extql(a, b) ({ uint64_t __r; asm ("extql %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
#define extwl(a, b) ({ uint64_t __r; asm ("extwl %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
#define extqh(a, b) ({ uint64_t __r; asm ("extqh %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
#define zap(a, b) ({ uint64_t __r; asm ("zap %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
#define zapnot(a, b) ({ uint64_t __r; asm ("zapnot %r1,%2,%0" : "=r" (__r) : "rJ" (a), "rI" (b)); __r; })
#define amask(a) ({ uint64_t __r; asm ("amask %1,%0" : "=r" (__r) : "rI" (a)); __r; })
#define implver() ({ uint64_t __r; asm ("implver %0" : "=r" (__r)); __r; })
#define rpcc() ({ uint64_t __r; asm volatile ("rpcc %0" : "=r" (__r)); __r; })
#define minub8(a, b) ({ uint64_t __r; asm ("minub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define minsb8(a, b) ({ uint64_t __r; asm ("minsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define minuw4(a, b) ({ uint64_t __r; asm ("minuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define minsw4(a, b) ({ uint64_t __r; asm ("minsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define maxub8(a, b) ({ uint64_t __r; asm ("maxub8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define maxsb8(a, b) ({ uint64_t __r; asm ("maxsb8 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define maxuw4(a, b) ({ uint64_t __r; asm ("maxuw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define maxsw4(a, b) ({ uint64_t __r; asm ("maxsw4 %r1,%2,%0" : "=r" (__r) : "%rJ" (a), "rI" (b)); __r; })
#define perr(a, b) ({ uint64_t __r; asm ("perr %r1,%r2,%0" : "=r" (__r) : "%rJ" (a), "rJ" (b)); __r; })
#define pklb(a) ({ uint64_t __r; asm ("pklb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
#define pkwb(a) ({ uint64_t __r; asm ("pkwb %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
#define unpkbl(a) ({ uint64_t __r; asm ("unpkbl %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
#define unpkbw(a) ({ uint64_t __r; asm ("unpkbw %r1,%0" : "=r" (__r) : "rJ" (a)); __r; })
#endif
#define wh64(p) asm volatile("wh64 (%0)" : : "r"(p) : "memory")
#elif defined(__DECC) /* Digital/Compaq/hp "ccc" compiler */
#include <c_asm.h>
#define ldq_u(a) asm ("ldq_u %v0,0(%a0)", a)
#define uldq(a) (*(const __unaligned uint64_t *) (a))
#define cmpbge(a, b) asm ("cmpbge %a0,%a1,%v0", a, b)
#define extql(a, b) asm ("extql %a0,%a1,%v0", a, b)
#define extwl(a, b) asm ("extwl %a0,%a1,%v0", a, b)
#define extqh(a, b) asm ("extqh %a0,%a1,%v0", a, b)
#define zap(a, b) asm ("zap %a0,%a1,%v0", a, b)
#define zapnot(a, b) asm ("zapnot %a0,%a1,%v0", a, b)
#define amask(a) asm ("amask %a0,%v0", a)
#define implver() asm ("implver %v0")
#define rpcc() asm ("rpcc %v0")
#define minub8(a, b) asm ("minub8 %a0,%a1,%v0", a, b)
#define minsb8(a, b) asm ("minsb8 %a0,%a1,%v0", a, b)
#define minuw4(a, b) asm ("minuw4 %a0,%a1,%v0", a, b)
#define minsw4(a, b) asm ("minsw4 %a0,%a1,%v0", a, b)
#define maxub8(a, b) asm ("maxub8 %a0,%a1,%v0", a, b)
#define maxsb8(a, b) asm ("maxsb8 %a0,%a1,%v0", a, b)
#define maxuw4(a, b) asm ("maxuw4 %a0,%a1,%v0", a, b)
#define maxsw4(a, b) asm ("maxsw4 %a0,%a1,%v0", a, b)
#define perr(a, b) asm ("perr %a0,%a1,%v0", a, b)
#define pklb(a) asm ("pklb %a0,%v0", a)
#define pkwb(a) asm ("pkwb %a0,%v0", a)
#define unpkbl(a) asm ("unpkbl %a0,%v0", a)
#define unpkbw(a) asm ("unpkbw %a0,%v0", a)
#define wh64(a) asm ("wh64 %a0", a)
#else
#error "Unknown compiler!"
#endif
#endif /* ALPHA_ASM_H */
--- NEW FILE ---
/*
* convert.h
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef CONVERT_H
#define CONVERT_H
#define CONVERT_FRAME 0
#define CONVERT_TOP_FIELD 1
#define CONVERT_BOTTOM_FIELD 2
#define CONVERT_BOTH_FIELDS 3
typedef struct convert_init_s {
void * id;
int id_size;
int buf_size[3];
void (* start) (void * id, uint8_t * const * dest, int flags);
void (* copy) (void * id, uint8_t * const * src, unsigned int v_offset);
} convert_init_t;
typedef void convert_t (int width, int height, uint32_t accel, void * arg,
convert_init_t * result);
convert_t convert_rgb32;
convert_t convert_rgb24;
convert_t convert_rgb16;
convert_t convert_rgb15;
convert_t convert_bgr32;
convert_t convert_bgr24;
convert_t convert_bgr16;
convert_t convert_bgr15;
#define CONVERT_RGB 0
#define CONVERT_BGR 1
convert_t * convert_rgb (int order, int bpp);
#endif /* CONVERT_H */
--- NEW FILE ---
/*
* cpu_accel.c
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <inttypes.h>
#include "mpeg2.h"
#ifdef ACCEL_DETECT
#ifdef ARCH_X86
static inline uint32_t arch_accel (void)
{
uint32_t eax, ebx, ecx, edx;
int AMD;
uint32_t caps;
#ifndef PIC
#define cpuid(op,eax,ebx,ecx,edx) \
__asm__ ("cpuid" \
: "=a" (eax), \
"=b" (ebx), \
"=c" (ecx), \
"=d" (edx) \
: "a" (op) \
: "cc")
#else /* PIC version : save ebx */
#define cpuid(op,eax,ebx,ecx,edx) \
__asm__ ("push %%ebx\n\t" \
"cpuid\n\t" \
"movl %%ebx,%1\n\t" \
"pop %%ebx" \
: "=a" (eax), \
"=r" (ebx), \
"=c" (ecx), \
"=d" (edx) \
: "a" (op) \
: "cc")
#endif
__asm__ ("pushf\n\t"
"pushf\n\t"
"pop %0\n\t"
"movl %0,%1\n\t"
"xorl $0x200000,%0\n\t"
"push %0\n\t"
"popf\n\t"
"pushf\n\t"
"pop %0\n\t"
"popf"
: "=r" (eax),
"=r" (ebx)
:
: "cc");
if (eax == ebx) /* no cpuid */
return 0;
cpuid (0x00000000, eax, ebx, ecx, edx);
if (!eax) /* vendor string only */
return 0;
AMD = (ebx == 0x68747541) && (ecx == 0x444d4163) && (edx == 0x69746e65);
cpuid (0x00000001, eax, ebx, ecx, edx);
if (! (edx & 0x00800000)) /* no MMX */
return 0;
caps = MPEG2_ACCEL_X86_MMX;
if (edx & 0x02000000) /* SSE - identical to AMD MMX extensions */
caps = MPEG2_ACCEL_X86_MMX | MPEG2_ACCEL_X86_MMXEXT;
cpuid (0x80000000, eax, ebx, ecx, edx);
if (eax < 0x80000001) /* no extended capabilities */
return caps;
cpuid (0x80000001, eax, ebx, ecx, edx);
if (edx & 0x80000000)
caps |= MPEG2_ACCEL_X86_3DNOW;
if (AMD && (edx & 0x00400000)) /* AMD MMX extensions */
caps |= MPEG2_ACCEL_X86_MMXEXT;
return caps;
}
#endif /* ARCH_X86 */
#ifdef ARCH_PPC
#include <signal.h>
#include <setjmp.h>
static sigjmp_buf jmpbuf;
static volatile sig_atomic_t canjump = 0;
static RETSIGTYPE sigill_handler (int sig)
{
if (!canjump) {
signal (sig, SIG_DFL);
raise (sig);
}
canjump = 0;
siglongjmp (jmpbuf, 1);
}
static inline uint32_t arch_accel (void)
{
signal (SIGILL, sigill_handler);
if (sigsetjmp (jmpbuf, 1)) {
signal (SIGILL, SIG_DFL);
return 0;
}
canjump = 1;
asm volatile ("mtspr 256, %0\n\t"
"vand %%v0, %%v0, %%v0"
:
: "r" (-1));
signal (SIGILL, SIG_DFL);
return MPEG2_ACCEL_PPC_ALTIVEC;
}
#endif /* ARCH_PPC */
#ifdef ARCH_ALPHA
static inline uint32_t arch_accel (void)
{
uint64_t no_mvi;
asm volatile ("amask %1, %0"
: "=r" (no_mvi)
: "rI" (256)); /* AMASK_MVI */
return no_mvi ? MPEG2_ACCEL_ALPHA : (MPEG2_ACCEL_ALPHA |
MPEG2_ACCEL_ALPHA_MVI);
}
#endif /* ARCH_ALPHA */
#endif
uint32_t mpeg2_detect_accel (void)
{
uint32_t accel;
accel = 0;
#ifdef ACCEL_DETECT
#ifdef LIBMPEG2_MLIB
accel = MPEG2_ACCEL_MLIB;
#endif
#if defined (ARCH_X86) || defined (ARCH_PPC) || defined (ARCH_ALPHA)
accel |= arch_accel ();
#endif
#endif
return accel;
}
--- NEW FILE ---
/*
* cpu_state.c
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <stdlib.h>
#include <inttypes.h>
#include "mpeg2.h"
#include "mpeg2_internal.h"
#include "attributes.h"
#ifdef ARCH_X86
#include "mmx.h"
#endif
void (* mpeg2_cpu_state_save) (cpu_state_t * state) = NULL;
void (* mpeg2_cpu_state_restore) (cpu_state_t * state) = NULL;
#ifdef ARCH_X86
static void state_restore_mmx (cpu_state_t * state)
{
emms ();
}
#endif
#ifdef ARCH_PPC
static void state_save_altivec (cpu_state_t * state)
{
asm (" \n"
" li %r9, 16 \n"
" stvx %v20, 0, %r3 \n"
" li %r11, 32 \n"
" stvx %v21, %r9, %r3 \n"
" li %r9, 48 \n"
" stvx %v22, %r11, %r3 \n"
" li %r11, 64 \n"
" stvx %v23, %r9, %r3 \n"
" li %r9, 80 \n"
" stvx %v24, %r11, %r3 \n"
" li %r11, 96 \n"
" stvx %v25, %r9, %r3 \n"
" li %r9, 112 \n"
" stvx %v26, %r11, %r3 \n"
" li %r11, 128 \n"
" stvx %v27, %r9, %r3 \n"
" li %r9, 144 \n"
" stvx %v28, %r11, %r3 \n"
" li %r11, 160 \n"
" stvx %v29, %r9, %r3 \n"
" li %r9, 176 \n"
" stvx %v30, %r11, %r3 \n"
" stvx %v31, %r9, %r3 \n"
);
}
static void state_restore_altivec (cpu_state_t * state)
{
asm (" \n"
" li %r9, 16 \n"
" lvx %v20, 0, %r3 \n"
" li %r11, 32 \n"
" lvx %v21, %r9, %r3 \n"
" li %r9, 48 \n"
" lvx %v22, %r11, %r3 \n"
" li %r11, 64 \n"
" lvx %v23, %r9, %r3 \n"
" li %r9, 80 \n"
" lvx %v24, %r11, %r3 \n"
" li %r11, 96 \n"
" lvx %v25, %r9, %r3 \n"
" li %r9, 112 \n"
" lvx %v26, %r11, %r3 \n"
" li %r11, 128 \n"
" lvx %v27, %r9, %r3 \n"
" li %r9, 144 \n"
" lvx %v28, %r11, %r3 \n"
" li %r11, 160 \n"
" lvx %v29, %r9, %r3 \n"
" li %r9, 176 \n"
" lvx %v30, %r11, %r3 \n"
" lvx %v31, %r9, %r3 \n"
);
}
#endif
void mpeg2_cpu_state_init (uint32_t accel)
{
#ifdef ARCH_X86
if (accel & MPEG2_ACCEL_X86_MMX) {
mpeg2_cpu_state_restore = state_restore_mmx;
}
#endif
#ifdef ARCH_PPC
if (accel & MPEG2_ACCEL_PPC_ALTIVEC) {
mpeg2_cpu_state_save = state_save_altivec;
mpeg2_cpu_state_restore = state_restore_altivec;
}
#endif
}
--- NEW FILE ---
/*
* idct_alpha.c
* Copyright (C) 2002 Falk Hueffner <falk at debian.org>
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#ifdef ARCH_ALPHA
#include <stdlib.h>
#include <inttypes.h>
#include "alpha_asm.h"
#include "attributes.h"
#define W1 2841 /* 2048*sqrt (2)*cos (1*pi/16) */
#define W2 2676 /* 2048*sqrt (2)*cos (2*pi/16) */
#define W3 2408 /* 2048*sqrt (2)*cos (3*pi/16) */
#define W5 1609 /* 2048*sqrt (2)*cos (5*pi/16) */
#define W6 1108 /* 2048*sqrt (2)*cos (6*pi/16) */
#define W7 565 /* 2048*sqrt (2)*cos (7*pi/16) */
static uint8_t clip_lut[1024];
#define CLIP(i) ((clip_lut+384)[(i)])
#if 0
#define BUTTERFLY(t0,t1,W0,W1,d0,d1) \
do { \
t0 = W0*d0 + W1*d1; \
t1 = W0*d1 - W1*d0; \
} while (0)
#else
#define BUTTERFLY(t0,t1,W0,W1,d0,d1) \
do { \
int_fast32_t tmp = W0 * (d0 + d1); \
t0 = tmp + (W1 - W0) * d1; \
t1 = tmp - (W1 + W0) * d0; \
} while (0)
#endif
static void inline idct_row (int16_t * const block)
{
uint64_t l, r;
int_fast32_t d0, d1, d2, d3;
int_fast32_t a0, a1, a2, a3, b0, b1, b2, b3;
int_fast32_t t0, t1, t2, t3;
l = ldq (block);
r = ldq (block + 4);
/* shortcut */
if (likely (!((l & ~0xffffUL) | r))) {
uint64_t tmp = (uint16_t) (l << 3);
tmp |= tmp << 16;
tmp |= tmp << 32;
((int32_t *)block)[0] = tmp;
((int32_t *)block)[1] = tmp;
((int32_t *)block)[2] = tmp;
((int32_t *)block)[3] = tmp;
return;
}
d0 = (sextw (l) << 11) + 128;
d1 = sextw (extwl (l, 2));
d2 = sextw (extwl (l, 4)) << 11;
d3 = sextw (extwl (l, 6));
t0 = d0 + d2;
t1 = d0 - d2;
BUTTERFLY (t2, t3, W6, W2, d3, d1);
a0 = t0 + t2;
a1 = t1 + t3;
a2 = t1 - t3;
a3 = t0 - t2;
d0 = sextw (r);
d1 = sextw (extwl (r, 2));
d2 = sextw (extwl (r, 4));
d3 = sextw (extwl (r, 6));
BUTTERFLY (t0, t1, W7, W1, d3, d0);
BUTTERFLY (t2, t3, W3, W5, d1, d2);
b0 = t0 + t2;
b3 = t1 + t3;
t0 -= t2;
t1 -= t3;
b1 = ((t0 + t1) * 181) >> 8;
b2 = ((t0 - t1) * 181) >> 8;
block[0] = (a0 + b0) >> 8;
block[1] = (a1 + b1) >> 8;
block[2] = (a2 + b2) >> 8;
block[3] = (a3 + b3) >> 8;
block[4] = (a3 - b3) >> 8;
block[5] = (a2 - b2) >> 8;
block[6] = (a1 - b1) >> 8;
block[7] = (a0 - b0) >> 8;
}
static void inline idct_col (int16_t * const block)
{
int_fast32_t d0, d1, d2, d3;
int_fast32_t a0, a1, a2, a3, b0, b1, b2, b3;
int_fast32_t t0, t1, t2, t3;
d0 = (block[8*0] << 11) + 65536;
d1 = block[8*1];
d2 = block[8*2] << 11;
d3 = block[8*3];
t0 = d0 + d2;
t1 = d0 - d2;
BUTTERFLY (t2, t3, W6, W2, d3, d1);
a0 = t0 + t2;
a1 = t1 + t3;
a2 = t1 - t3;
a3 = t0 - t2;
d0 = block[8*4];
d1 = block[8*5];
d2 = block[8*6];
d3 = block[8*7];
BUTTERFLY (t0, t1, W7, W1, d3, d0);
BUTTERFLY (t2, t3, W3, W5, d1, d2);
b0 = t0 + t2;
b3 = t1 + t3;
t0 = (t0 - t2) >> 8;
t1 = (t1 - t3) >> 8;
b1 = (t0 + t1) * 181;
b2 = (t0 - t1) * 181;
block[8*0] = (a0 + b0) >> 17;
block[8*1] = (a1 + b1) >> 17;
block[8*2] = (a2 + b2) >> 17;
block[8*3] = (a3 + b3) >> 17;
block[8*4] = (a3 - b3) >> 17;
block[8*5] = (a2 - b2) >> 17;
block[8*6] = (a1 - b1) >> 17;
block[8*7] = (a0 - b0) >> 17;
}
void mpeg2_idct_copy_mvi (int16_t * block, uint8_t * dest, const int stride)
{
uint64_t clampmask;
int i;
for (i = 0; i < 8; i++)
idct_row (block + 8 * i);
for (i = 0; i < 8; i++)
idct_col (block + i);
clampmask = zap (-1, 0xaa); /* 0x00ff00ff00ff00ff */
do {
uint64_t shorts0, shorts1;
shorts0 = ldq (block);
shorts0 = maxsw4 (shorts0, 0);
shorts0 = minsw4 (shorts0, clampmask);
stl (pkwb (shorts0), dest);
shorts1 = ldq (block + 4);
shorts1 = maxsw4 (shorts1, 0);
shorts1 = minsw4 (shorts1, clampmask);
stl (pkwb (shorts1), dest + 4);
stq (0, block);
stq (0, block + 4);
dest += stride;
block += 8;
} while (--i);
}
void mpeg2_idct_add_mvi (const int last, int16_t * block,
uint8_t * dest, const int stride)
{
uint64_t clampmask;
uint64_t signmask;
int i;
if (last != 129 || (block[0] & 7) == 4) {
for (i = 0; i < 8; i++)
idct_row (block + 8 * i);
for (i = 0; i < 8; i++)
idct_col (block + i);
clampmask = zap (-1, 0xaa); /* 0x00ff00ff00ff00ff */
signmask = zap (-1, 0x33);
signmask ^= signmask >> 1; /* 0x8000800080008000 */
do {
uint64_t shorts0, pix0, signs0;
uint64_t shorts1, pix1, signs1;
shorts0 = ldq (block);
shorts1 = ldq (block + 4);
pix0 = unpkbw (ldl (dest));
/* signed subword add (MMX paddw). */
signs0 = shorts0 & signmask;
shorts0 &= ~signmask;
shorts0 += pix0;
shorts0 ^= signs0;
/* clamp. */
shorts0 = maxsw4 (shorts0, 0);
shorts0 = minsw4 (shorts0, clampmask);
/* next 4. */
pix1 = unpkbw (ldl (dest + 4));
signs1 = shorts1 & signmask;
shorts1 &= ~signmask;
shorts1 += pix1;
shorts1 ^= signs1;
shorts1 = maxsw4 (shorts1, 0);
shorts1 = minsw4 (shorts1, clampmask);
stl (pkwb (shorts0), dest);
stl (pkwb (shorts1), dest + 4);
stq (0, block);
stq (0, block + 4);
dest += stride;
block += 8;
} while (--i);
} else {
int DC;
uint64_t p0, p1, p2, p3, p4, p5, p6, p7;
uint64_t DCs;
DC = (block[0] + 4) >> 3;
block[0] = block[63] = 0;
p0 = ldq (dest + 0 * stride);
p1 = ldq (dest + 1 * stride);
p2 = ldq (dest + 2 * stride);
p3 = ldq (dest + 3 * stride);
p4 = ldq (dest + 4 * stride);
p5 = ldq (dest + 5 * stride);
p6 = ldq (dest + 6 * stride);
p7 = ldq (dest + 7 * stride);
if (DC > 0) {
DCs = BYTE_VEC (likely (DC <= 255) ? DC : 255);
p0 += minub8 (DCs, ~p0);
p1 += minub8 (DCs, ~p1);
p2 += minub8 (DCs, ~p2);
p3 += minub8 (DCs, ~p3);
p4 += minub8 (DCs, ~p4);
p5 += minub8 (DCs, ~p5);
p6 += minub8 (DCs, ~p6);
p7 += minub8 (DCs, ~p7);
} else {
DCs = BYTE_VEC (likely (-DC <= 255) ? -DC : 255);
p0 -= minub8 (DCs, p0);
p1 -= minub8 (DCs, p1);
p2 -= minub8 (DCs, p2);
p3 -= minub8 (DCs, p3);
p4 -= minub8 (DCs, p4);
p5 -= minub8 (DCs, p5);
p6 -= minub8 (DCs, p6);
p7 -= minub8 (DCs, p7);
}
stq (p0, dest + 0 * stride);
stq (p1, dest + 1 * stride);
stq (p2, dest + 2 * stride);
stq (p3, dest + 3 * stride);
stq (p4, dest + 4 * stride);
stq (p5, dest + 5 * stride);
stq (p6, dest + 6 * stride);
stq (p7, dest + 7 * stride);
}
}
void mpeg2_idct_copy_alpha (int16_t * block, uint8_t * dest, const int stride)
{
int i;
for (i = 0; i < 8; i++)
idct_row (block + 8 * i);
for (i = 0; i < 8; i++)
idct_col (block + i);
do {
dest[0] = CLIP (block[0]);
dest[1] = CLIP (block[1]);
dest[2] = CLIP (block[2]);
dest[3] = CLIP (block[3]);
dest[4] = CLIP (block[4]);
dest[5] = CLIP (block[5]);
dest[6] = CLIP (block[6]);
dest[7] = CLIP (block[7]);
stq(0, block);
stq(0, block + 4);
dest += stride;
block += 8;
} while (--i);
}
void mpeg2_idct_add_alpha (const int last, int16_t * block,
uint8_t * dest, const int stride)
{
int i;
if (last != 129 || (block[0] & 7) == 4) {
for (i = 0; i < 8; i++)
idct_row (block + 8 * i);
for (i = 0; i < 8; i++)
idct_col (block + i);
do {
dest[0] = CLIP (block[0] + dest[0]);
dest[1] = CLIP (block[1] + dest[1]);
dest[2] = CLIP (block[2] + dest[2]);
dest[3] = CLIP (block[3] + dest[3]);
dest[4] = CLIP (block[4] + dest[4]);
dest[5] = CLIP (block[5] + dest[5]);
dest[6] = CLIP (block[6] + dest[6]);
dest[7] = CLIP (block[7] + dest[7]);
stq(0, block);
stq(0, block + 4);
dest += stride;
block += 8;
} while (--i);
} else {
int DC;
DC = (block[0] + 4) >> 3;
block[0] = block[63] = 0;
i = 8;
do {
dest[0] = CLIP (DC + dest[0]);
dest[1] = CLIP (DC + dest[1]);
dest[2] = CLIP (DC + dest[2]);
dest[3] = CLIP (DC + dest[3]);
dest[4] = CLIP (DC + dest[4]);
dest[5] = CLIP (DC + dest[5]);
dest[6] = CLIP (DC + dest[6]);
dest[7] = CLIP (DC + dest[7]);
dest += stride;
} while (--i);
}
}
void mpeg2_idct_alpha_init(int no_mvi)
{
extern uint8_t mpeg2_scan_norm[64];
extern uint8_t mpeg2_scan_alt[64];
int i, j;
if (no_mvi)
for (i = -384; i < 640; i++)
clip_lut[i + 384] = (i < 0) ? 0 : ((i > 255) ? 255 : i);
for (i = 0; i < 64; i++) {
j = mpeg2_scan_norm[i];
mpeg2_scan_norm[i] = ((j & 0x36) >> 1) | ((j & 0x09) << 2);
j = mpeg2_scan_alt[i];
mpeg2_scan_alt[i] = ((j & 0x36) >> 1) | ((j & 0x09) << 2);
}
}
#endif /* ARCH_ALPHA */
--- NEW FILE ---
/*
* idct_altivec.c
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __ALTIVEC__
#include "config.h"
#ifdef ARCH_PPC
#include <inttypes.h>
#include "mpeg2.h"
#include "mpeg2_internal.h"
#include "attributes.h"
static const int16_t constants[5][8] ATTR_ALIGN(16) = {
{23170, 13573, 6518, 21895, -23170, -21895, 32, 31},
{16384, 22725, 21407, 19266, 16384, 19266, 21407, 22725},
{22725, 31521, 29692, 26722, 22725, 26722, 29692, 31521},
{21407, 29692, 27969, 25172, 21407, 25172, 27969, 29692},
{19266, 26722, 25172, 22654, 19266, 22654, 25172, 26722}
};
/*
* The asm code is generated with:
*
* gcc-2.95 -fvec -D__ALTIVEC__ -O9 -fomit-frame-pointer -mregnames -S
* idct_altivec.c
*
* awk '{args=""; len=split ($2, arg, ",");
* for (i=1; i<=len; i++) { a=arg[i]; if (i<len) a=a",";
* args = args sprintf ("%-6s", a) }
* printf ("\t\"\t%-16s%-24s\\n\"\n", $1, args) }' idct_altivec.s |
* unexpand -a
*
* I then do some simple trimming on the function prolog/trailers
*/
void mpeg2_idct_copy_altivec (int16_t * block, uint8_t * dest, int stride)
{
asm (" \n"
"# stwu %r1, -128(%r1) \n"
"# mflr %r0 \n"
"# stw %r0, 132(%r1) \n"
"# addi %r0, %r1, 128 \n"
"# bl _savev25 \n"
" addi %r9, %r3, 112 \n"
" vspltish %v25, 4 \n"
" vxor %v13, %v13, %v13 \n"
" lis %r10, constants at ha \n"
" lvx %v1, 0, %r9 \n"
" la %r10, constants at l(%r10) \n"
" lvx %v5, 0, %r3 \n"
" addi %r9, %r3, 16 \n"
" lvx %v8, 0, %r10 \n"
" addi %r11, %r10, 32 \n"
" lvx %v12, 0, %r9 \n"
" lvx %v6, 0, %r11 \n"
" addi %r8, %r3, 48 \n"
" vslh %v1, %v1, %v25 \n"
" addi %r9, %r3, 80 \n"
" lvx %v11, 0, %r8 \n"
" vslh %v5, %v5, %v25 \n"
" lvx %v0, 0, %r9 \n"
" addi %r11, %r10, 64 \n"
" vsplth %v3, %v8, 2 \n"
" lvx %v7, 0, %r11 \n"
" addi %r9, %r3, 96 \n"
" vslh %v12, %v12, %v25 \n"
" vmhraddshs %v27, %v1, %v6, %v13 \n"
" addi %r8, %r3, 32 \n"
" vsplth %v2, %v8, 5 \n"
" lvx %v1, 0, %r9 \n"
" vslh %v11, %v11, %v25 \n"
" addi %r3, %r3, 64 \n"
" lvx %v9, 0, %r8 \n"
" addi %r9, %r10, 48 \n"
" vslh %v0, %v0, %v25 \n"
" lvx %v4, 0, %r9 \n"
" vmhraddshs %v31, %v12, %v6, %v13 \n"
" addi %r10, %r10, 16 \n"
" vmhraddshs %v30, %v0, %v7, %v13 \n"
" lvx %v10, 0, %r3 \n"
" vsplth %v19, %v8, 3 \n"
" vmhraddshs %v15, %v11, %v7, %v13 \n"
" lvx %v12, 0, %r10 \n"
" vsplth %v6, %v8, 4 \n"
" vslh %v1, %v1, %v25 \n"
" vsplth %v11, %v8, 1 \n"
" li %r9, 4 \n"
" vslh %v9, %v9, %v25 \n"
" vsplth %v7, %v8, 0 \n"
" vmhraddshs %v18, %v1, %v4, %v13 \n"
" vspltw %v8, %v8, 3 \n"
" vsubshs %v0, %v13, %v27 \n"
" vmhraddshs %v1, %v9, %v4, %v13 \n"
" vmhraddshs %v17, %v3, %v31, %v0 \n"
" vmhraddshs %v4, %v2, %v15, %v30 \n"
" vslh %v10, %v10, %v25 \n"
" vmhraddshs %v9, %v5, %v12, %v13 \n"
" vspltish %v25, 6 \n"
" vmhraddshs %v5, %v10, %v12, %v13 \n"
" vmhraddshs %v28, %v19, %v30, %v15 \n"
" vmhraddshs %v27, %v3, %v27, %v31 \n"
" vsubshs %v0, %v13, %v18 \n"
" vmhraddshs %v18, %v11, %v18, %v1 \n"
" vaddshs %v30, %v17, %v4 \n"
" vmhraddshs %v12, %v11, %v1, %v0 \n"
" vsubshs %v4, %v17, %v4 \n"
" vaddshs %v10, %v9, %v5 \n"
" vsubshs %v17, %v27, %v28 \n"
" vaddshs %v27, %v27, %v28 \n"
" vsubshs %v1, %v9, %v5 \n"
" vaddshs %v28, %v10, %v18 \n"
" vsubshs %v18, %v10, %v18 \n"
" vaddshs %v10, %v1, %v12 \n"
" vsubshs %v1, %v1, %v12 \n"
" vsubshs %v12, %v17, %v4 \n"
" vaddshs %v4, %v17, %v4 \n"
" vmhraddshs %v5, %v7, %v12, %v1 \n"
" vmhraddshs %v26, %v6, %v4, %v10 \n"
" vmhraddshs %v29, %v6, %v12, %v1 \n"
" vmhraddshs %v14, %v7, %v4, %v10 \n"
" vsubshs %v12, %v18, %v30 \n"
" vaddshs %v9, %v28, %v27 \n"
" vaddshs %v16, %v18, %v30 \n"
" vsubshs %v10, %v28, %v27 \n"
" vmrglh %v31, %v9, %v12 \n"
" vmrglh %v30, %v5, %v26 \n"
" vmrglh %v15, %v14, %v29 \n"
" vmrghh %v5, %v5, %v26 \n"
" vmrglh %v27, %v16, %v10 \n"
" vmrghh %v9, %v9, %v12 \n"
" vmrghh %v18, %v16, %v10 \n"
" vmrghh %v1, %v14, %v29 \n"
" vmrglh %v14, %v9, %v5 \n"
" vmrglh %v16, %v31, %v30 \n"
" vmrglh %v10, %v15, %v27 \n"
" vmrghh %v9, %v9, %v5 \n"
" vmrghh %v26, %v15, %v27 \n"
" vmrglh %v27, %v16, %v10 \n"
" vmrghh %v12, %v1, %v18 \n"
" vmrglh %v29, %v1, %v18 \n"
" vsubshs %v0, %v13, %v27 \n"
" vmrghh %v5, %v31, %v30 \n"
" vmrglh %v31, %v9, %v12 \n"
" vmrglh %v30, %v5, %v26 \n"
" vmrglh %v15, %v14, %v29 \n"
" vmhraddshs %v17, %v3, %v31, %v0 \n"
" vmrghh %v18, %v16, %v10 \n"
" vmhraddshs %v27, %v3, %v27, %v31 \n"
" vmhraddshs %v4, %v2, %v15, %v30 \n"
" vmrghh %v1, %v14, %v29 \n"
" vmhraddshs %v28, %v19, %v30, %v15 \n"
" vmrghh %v0, %v9, %v12 \n"
" vsubshs %v13, %v13, %v18 \n"
" vmrghh %v5, %v5, %v26 \n"
" vmhraddshs %v18, %v11, %v18, %v1 \n"
" vaddshs %v9, %v0, %v8 \n"
" vaddshs %v30, %v17, %v4 \n"
" vmhraddshs %v12, %v11, %v1, %v13 \n"
" vsubshs %v4, %v17, %v4 \n"
" vaddshs %v10, %v9, %v5 \n"
" vsubshs %v17, %v27, %v28 \n"
" vaddshs %v27, %v27, %v28 \n"
" vsubshs %v1, %v9, %v5 \n"
" vaddshs %v28, %v10, %v18 \n"
" vsubshs %v18, %v10, %v18 \n"
" vaddshs %v10, %v1, %v12 \n"
" vsubshs %v1, %v1, %v12 \n"
" vsubshs %v12, %v17, %v4 \n"
" vaddshs %v4, %v17, %v4 \n"
" vaddshs %v9, %v28, %v27 \n"
" vmhraddshs %v14, %v7, %v4, %v10 \n"
" vsrah %v9, %v9, %v25 \n"
" vmhraddshs %v5, %v7, %v12, %v1 \n"
" vpkshus %v0, %v9, %v9 \n"
" vmhraddshs %v29, %v6, %v12, %v1 \n"
" stvewx %v0, 0, %r4 \n"
" vaddshs %v16, %v18, %v30 \n"
" vsrah %v31, %v14, %v25 \n"
" stvewx %v0, %r9, %r4 \n"
" add %r4, %r4, %r5 \n"
" vsrah %v15, %v16, %v25 \n"
" vpkshus %v0, %v31, %v31 \n"
" vsrah %v1, %v5, %v25 \n"
" stvewx %v0, 0, %r4 \n"
" vsubshs %v12, %v18, %v30 \n"
" stvewx %v0, %r9, %r4 \n"
" vmhraddshs %v26, %v6, %v4, %v10 \n"
" vpkshus %v0, %v1, %v1 \n"
" add %r4, %r4, %r5 \n"
" vsrah %v5, %v12, %v25 \n"
" stvewx %v0, 0, %r4 \n"
" vsrah %v30, %v29, %v25 \n"
" stvewx %v0, %r9, %r4 \n"
" vsubshs %v10, %v28, %v27 \n"
" vpkshus %v0, %v15, %v15 \n"
" add %r4, %r4, %r5 \n"
" stvewx %v0, 0, %r4 \n"
" vsrah %v18, %v26, %v25 \n"
" stvewx %v0, %r9, %r4 \n"
" vsrah %v27, %v10, %v25 \n"
" vpkshus %v0, %v5, %v5 \n"
" add %r4, %r4, %r5 \n"
" stvewx %v0, 0, %r4 \n"
" stvewx %v0, %r9, %r4 \n"
" vpkshus %v0, %v30, %v30 \n"
" add %r4, %r4, %r5 \n"
" stvewx %v0, 0, %r4 \n"
" stvewx %v0, %r9, %r4 \n"
" vpkshus %v0, %v18, %v18 \n"
" add %r4, %r4, %r5 \n"
" stvewx %v0, 0, %r4 \n"
" stvewx %v0, %r9, %r4 \n"
" add %r4, %r4, %r5 \n"
" vpkshus %v0, %v27, %v27 \n"
" stvewx %v0, 0, %r4 \n"
" stvewx %v0, %r9, %r4 \n"
"# addi %r0, %r1, 128 \n"
"# bl _restv25 \n"
"# lwz %r0, 132(%r1) \n"
"# mtlr %r0 \n"
"# la %r1, 128(%r1) \n"
" vxor %v1, %v1, %v1 \n"
" addi %r9, %r3, 16 \n"
" stvx %v1, 0, %r3 \n"
" stvx %v1, 0, %r9 \n"
" addi %r11, %r3, 32 \n"
" stvx %v1, 0, %r11 \n"
" addi %r9, %r3, 48 \n"
" stvx %v1, 0, %r9 \n"
" addi %r11, %r3, -64 \n"
" stvx %v1, 0, %r11 \n"
" addi %r9, %r3, -48 \n"
" stvx %v1, 0, %r9 \n"
" addi %r11, %r3, -32 \n"
" stvx %v1, 0, %r11 \n"
" addi %r3, %r3, -16 \n"
" stvx %v1, 0, %r3 \n"
);
}
void mpeg2_idct_add_altivec (int last, int16_t * block,
uint8_t * dest, int stride)
{
asm (" \n"
"# stwu %r1, -192(%r1) \n"
"# mflr %r0 \n"
"# stw %r0, 196(%r1) \n"
"# addi %r0, %r1, 192 \n"
"# bl _savev21 \n"
" addi %r9, %r4, 112 \n"
" vspltish %v21, 4 \n"
" vxor %v1, %v1, %v1 \n"
" lvx %v13, 0, %r9 \n"
" lis %r10, constants at ha \n"
" vspltisw %v3, -1 \n"
" la %r10, constants at l(%r10) \n"
" lvx %v5, 0, %r4 \n"
" addi %r9, %r4, 16 \n"
" lvx %v8, 0, %r10 \n"
" lvx %v12, 0, %r9 \n"
" addi %r11, %r10, 32 \n"
" lvx %v6, 0, %r11 \n"
" addi %r8, %r4, 48 \n"
" vslh %v13, %v13, %v21 \n"
" addi %r9, %r4, 80 \n"
" lvx %v11, 0, %r8 \n"
" vslh %v5, %v5, %v21 \n"
" lvx %v0, 0, %r9 \n"
" addi %r11, %r10, 64 \n"
" vsplth %v2, %v8, 2 \n"
" lvx %v7, 0, %r11 \n"
" vslh %v12, %v12, %v21 \n"
" addi %r9, %r4, 96 \n"
" vmhraddshs %v24, %v13, %v6, %v1 \n"
" addi %r8, %r4, 32 \n"
" vsplth %v17, %v8, 5 \n"
" lvx %v13, 0, %r9 \n"
" vslh %v11, %v11, %v21 \n"
" addi %r4, %r4, 64 \n"
" lvx %v10, 0, %r8 \n"
" vslh %v0, %v0, %v21 \n"
" addi %r9, %r10, 48 \n"
" vmhraddshs %v31, %v12, %v6, %v1 \n"
" lvx %v4, 0, %r9 \n"
" addi %r10, %r10, 16 \n"
" vmhraddshs %v26, %v0, %v7, %v1 \n"
" lvx %v9, 0, %r4 \n"
" vsplth %v16, %v8, 3 \n"
" vmhraddshs %v22, %v11, %v7, %v1 \n"
" lvx %v6, 0, %r10 \n"
" lvsl %v19, 0, %r5 \n"
" vsubshs %v12, %v1, %v24 \n"
" lvsl %v0, %r6, %r5 \n"
" vsplth %v11, %v8, 1 \n"
" vslh %v10, %v10, %v21 \n"
" vmrghb %v19, %v3, %v19 \n"
" lvx %v15, 0, %r5 \n"
" vslh %v13, %v13, %v21 \n"
" vmrghb %v3, %v3, %v0 \n"
" li %r9, 4 \n"
" vmhraddshs %v14, %v2, %v31, %v12 \n"
" vsplth %v7, %v8, 0 \n"
" vmhraddshs %v23, %v13, %v4, %v1 \n"
" vsplth %v18, %v8, 4 \n"
" vmhraddshs %v27, %v10, %v4, %v1 \n"
" vspltw %v8, %v8, 3 \n"
" vmhraddshs %v12, %v17, %v22, %v26 \n"
" vperm %v15, %v15, %v1, %v19 \n"
" vslh %v9, %v9, %v21 \n"
" vmhraddshs %v10, %v5, %v6, %v1 \n"
" vspltish %v21, 6 \n"
" vmhraddshs %v30, %v9, %v6, %v1 \n"
" vmhraddshs %v26, %v16, %v26, %v22 \n"
" vmhraddshs %v24, %v2, %v24, %v31 \n"
" vmhraddshs %v31, %v11, %v23, %v27 \n"
" vsubshs %v0, %v1, %v23 \n"
" vaddshs %v23, %v14, %v12 \n"
" vmhraddshs %v9, %v11, %v27, %v0 \n"
" vsubshs %v12, %v14, %v12 \n"
" vaddshs %v6, %v10, %v30 \n"
" vsubshs %v14, %v24, %v26 \n"
" vaddshs %v24, %v24, %v26 \n"
" vsubshs %v13, %v10, %v30 \n"
" vaddshs %v26, %v6, %v31 \n"
" vsubshs %v31, %v6, %v31 \n"
" vaddshs %v6, %v13, %v9 \n"
" vsubshs %v13, %v13, %v9 \n"
" vsubshs %v9, %v14, %v12 \n"
" vaddshs %v12, %v14, %v12 \n"
" vmhraddshs %v30, %v7, %v9, %v13 \n"
" vmhraddshs %v25, %v18, %v12, %v6 \n"
" vmhraddshs %v28, %v18, %v9, %v13 \n"
" vmhraddshs %v29, %v7, %v12, %v6 \n"
" vaddshs %v10, %v26, %v24 \n"
" vsubshs %v5, %v31, %v23 \n"
" vsubshs %v13, %v26, %v24 \n"
" vaddshs %v4, %v31, %v23 \n"
" vmrglh %v26, %v30, %v25 \n"
" vmrglh %v31, %v10, %v5 \n"
" vmrglh %v22, %v29, %v28 \n"
" vmrghh %v30, %v30, %v25 \n"
" vmrglh %v24, %v4, %v13 \n"
" vmrghh %v10, %v10, %v5 \n"
" vmrghh %v23, %v4, %v13 \n"
" vmrghh %v27, %v29, %v28 \n"
" vmrglh %v29, %v10, %v30 \n"
" vmrglh %v4, %v31, %v26 \n"
" vmrglh %v13, %v22, %v24 \n"
" vmrghh %v10, %v10, %v30 \n"
" vmrghh %v25, %v22, %v24 \n"
" vmrglh %v24, %v4, %v13 \n"
" vmrghh %v5, %v27, %v23 \n"
" vmrglh %v28, %v27, %v23 \n"
" vsubshs %v0, %v1, %v24 \n"
" vmrghh %v30, %v31, %v26 \n"
" vmrglh %v31, %v10, %v5 \n"
" vmrglh %v26, %v30, %v25 \n"
" vmrglh %v22, %v29, %v28 \n"
" vmhraddshs %v14, %v2, %v31, %v0 \n"
" vmrghh %v23, %v4, %v13 \n"
" vmhraddshs %v24, %v2, %v24, %v31 \n"
" vmhraddshs %v12, %v17, %v22, %v26 \n"
" vmrghh %v27, %v29, %v28 \n"
" vmhraddshs %v26, %v16, %v26, %v22 \n"
" vmrghh %v0, %v10, %v5 \n"
" vmhraddshs %v31, %v11, %v23, %v27 \n"
" vmrghh %v30, %v30, %v25 \n"
" vsubshs %v13, %v1, %v23 \n"
" vaddshs %v10, %v0, %v8 \n"
" vaddshs %v23, %v14, %v12 \n"
" vsubshs %v12, %v14, %v12 \n"
" vaddshs %v6, %v10, %v30 \n"
" vsubshs %v14, %v24, %v26 \n"
" vmhraddshs %v9, %v11, %v27, %v13 \n"
" vaddshs %v24, %v24, %v26 \n"
" vaddshs %v26, %v6, %v31 \n"
" vsubshs %v13, %v10, %v30 \n"
" vaddshs %v10, %v26, %v24 \n"
" vsubshs %v31, %v6, %v31 \n"
" vaddshs %v6, %v13, %v9 \n"
" vsrah %v10, %v10, %v21 \n"
" vsubshs %v13, %v13, %v9 \n"
" vaddshs %v0, %v15, %v10 \n"
" vsubshs %v9, %v14, %v12 \n"
" vaddshs %v12, %v14, %v12 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" vaddshs %v4, %v31, %v23 \n"
" vmhraddshs %v29, %v7, %v12, %v6 \n"
" stvewx %v15, %r9, %r5 \n"
" add %r5, %r5, %r6 \n"
" vsubshs %v5, %v31, %v23 \n"
" lvx %v15, 0, %r5 \n"
" vmhraddshs %v30, %v7, %v9, %v13 \n"
" vsrah %v22, %v4, %v21 \n"
" vperm %v15, %v15, %v1, %v3 \n"
" vmhraddshs %v28, %v18, %v9, %v13 \n"
" vsrah %v31, %v29, %v21 \n"
" vsubshs %v13, %v26, %v24 \n"
" vaddshs %v0, %v15, %v31 \n"
" vsrah %v27, %v30, %v21 \n"
" vpkshus %v15, %v0, %v0 \n"
" vsrah %v30, %v5, %v21 \n"
" stvewx %v15, 0, %r5 \n"
" vsrah %v26, %v28, %v21 \n"
" stvewx %v15, %r9, %r5 \n"
" vmhraddshs %v25, %v18, %v12, %v6 \n"
" add %r5, %r5, %r6 \n"
" vsrah %v24, %v13, %v21 \n"
" lvx %v15, 0, %r5 \n"
" vperm %v15, %v15, %v1, %v19 \n"
" vsrah %v23, %v25, %v21 \n"
" vaddshs %v0, %v15, %v27 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" stvewx %v15, %r9, %r5 \n"
" add %r5, %r5, %r6 \n"
" lvx %v15, 0, %r5 \n"
" vperm %v15, %v15, %v1, %v3 \n"
" vaddshs %v0, %v15, %v22 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" stvewx %v15, %r9, %r5 \n"
" add %r5, %r5, %r6 \n"
" lvx %v15, 0, %r5 \n"
" vperm %v15, %v15, %v1, %v19 \n"
" vaddshs %v0, %v15, %v30 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" stvewx %v15, %r9, %r5 \n"
" add %r5, %r5, %r6 \n"
" lvx %v15, 0, %r5 \n"
" vperm %v15, %v15, %v1, %v3 \n"
" vaddshs %v0, %v15, %v26 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" stvewx %v15, %r9, %r5 \n"
" add %r5, %r5, %r6 \n"
" lvx %v15, 0, %r5 \n"
" vperm %v15, %v15, %v1, %v19 \n"
" vaddshs %v0, %v15, %v23 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" stvewx %v15, %r9, %r5 \n"
" add %r5, %r5, %r6 \n"
" lvx %v15, 0, %r5 \n"
" vperm %v15, %v15, %v1, %v3 \n"
" vaddshs %v0, %v15, %v24 \n"
" vpkshus %v15, %v0, %v0 \n"
" stvewx %v15, 0, %r5 \n"
" stvewx %v15, %r9, %r5 \n"
"# addi %r0, %r1, 192 \n"
"# bl _restv21 \n"
"# lwz %r0, 196(%r1) \n"
"# mtlr %r0 \n"
"# la %r1, 192(%r1) \n"
" addi %r9, %r4, 16 \n"
" stvx %v1, 0, %r4 \n"
" stvx %v1, 0, %r9 \n"
" addi %r11, %r4, 32 \n"
" stvx %v1, 0, %r11 \n"
" addi %r9, %r4, 48 \n"
" stvx %v1, 0, %r9 \n"
" addi %r11, %r4, -64 \n"
" stvx %v1, 0, %r11 \n"
" addi %r9, %r4, -48 \n"
" stvx %v1, 0, %r9 \n"
" addi %r11, %r4, -32 \n"
" stvx %v1, 0, %r11 \n"
" addi %r4, %r4, -16 \n"
" stvx %v1, 0, %r4 \n"
);
}
void mpeg2_idct_altivec_init (void)
{
extern uint8_t mpeg2_scan_norm[64];
extern uint8_t mpeg2_scan_alt[64];
int i, j;
i = constants[0][0]; /* just pretending - keeps gcc happy */
/* the altivec idct uses a transposed input, so we patch scan tables */
for (i = 0; i < 64; i++) {
j = mpeg2_scan_norm[i];
mpeg2_scan_norm[i] = (j >> 3) | ((j & 7) << 3);
j = mpeg2_scan_alt[i];
mpeg2_scan_alt[i] = (j >> 3) | ((j & 7) << 3);
}
}
#endif /* ARCH_PPC */
#else /* __ALTIVEC__ */
#define vector_s16_t vector signed short
#define vector_u16_t vector unsigned short
#define vector_s8_t vector signed char
#define vector_u8_t vector unsigned char
#define vector_s32_t vector signed int
#define vector_u32_t vector unsigned int
#define IDCT_HALF \
/* 1st stage */ \
t1 = vec_mradds (a1, vx7, vx1 ); \
t8 = vec_mradds (a1, vx1, vec_subs (zero, vx7)); \
t7 = vec_mradds (a2, vx5, vx3); \
t3 = vec_mradds (ma2, vx3, vx5); \
\
/* 2nd stage */ \
t5 = vec_adds (vx0, vx4); \
t0 = vec_subs (vx0, vx4); \
t2 = vec_mradds (a0, vx6, vx2); \
t4 = vec_mradds (a0, vx2, vec_subs (zero, vx6)); \
t6 = vec_adds (t8, t3); \
t3 = vec_subs (t8, t3); \
t8 = vec_subs (t1, t7); \
t1 = vec_adds (t1, t7); \
\
/* 3rd stage */ \
t7 = vec_adds (t5, t2); \
t2 = vec_subs (t5, t2); \
t5 = vec_adds (t0, t4); \
t0 = vec_subs (t0, t4); \
t4 = vec_subs (t8, t3); \
t3 = vec_adds (t8, t3); \
\
/* 4th stage */ \
vy0 = vec_adds (t7, t1); \
vy7 = vec_subs (t7, t1); \
vy1 = vec_mradds (c4, t3, t5); \
vy6 = vec_mradds (mc4, t3, t5); \
vy2 = vec_mradds (c4, t4, t0); \
vy5 = vec_mradds (mc4, t4, t0); \
vy3 = vec_adds (t2, t6); \
vy4 = vec_subs (t2, t6);
#define IDCT \
vector_s16_t vx0, vx1, vx2, vx3, vx4, vx5, vx6, vx7; \
vector_s16_t vy0, vy1, vy2, vy3, vy4, vy5, vy6, vy7; \
vector_s16_t a0, a1, a2, ma2, c4, mc4, zero, bias; \
vector_s16_t t0, t1, t2, t3, t4, t5, t6, t7, t8; \
vector_u16_t shift; \
\
c4 = vec_splat (constants[0], 0); \
a0 = vec_splat (constants[0], 1); \
a1 = vec_splat (constants[0], 2); \
a2 = vec_splat (constants[0], 3); \
mc4 = vec_splat (constants[0], 4); \
ma2 = vec_splat (constants[0], 5); \
bias = (vector_s16_t)vec_splat ((vector_s32_t)constants[0], 3); \
\
zero = vec_splat_s16 (0); \
shift = vec_splat_u16 (4); \
\
vx0 = vec_mradds (vec_sl (block[0], shift), constants[1], zero); \
vx1 = vec_mradds (vec_sl (block[1], shift), constants[2], zero); \
vx2 = vec_mradds (vec_sl (block[2], shift), constants[3], zero); \
vx3 = vec_mradds (vec_sl (block[3], shift), constants[4], zero); \
vx4 = vec_mradds (vec_sl (block[4], shift), constants[1], zero); \
vx5 = vec_mradds (vec_sl (block[5], shift), constants[4], zero); \
vx6 = vec_mradds (vec_sl (block[6], shift), constants[3], zero); \
vx7 = vec_mradds (vec_sl (block[7], shift), constants[2], zero); \
\
IDCT_HALF \
\
vx0 = vec_mergeh (vy0, vy4); \
vx1 = vec_mergel (vy0, vy4); \
vx2 = vec_mergeh (vy1, vy5); \
vx3 = vec_mergel (vy1, vy5); \
vx4 = vec_mergeh (vy2, vy6); \
vx5 = vec_mergel (vy2, vy6); \
vx6 = vec_mergeh (vy3, vy7); \
vx7 = vec_mergel (vy3, vy7); \
\
vy0 = vec_mergeh (vx0, vx4); \
vy1 = vec_mergel (vx0, vx4); \
vy2 = vec_mergeh (vx1, vx5); \
vy3 = vec_mergel (vx1, vx5); \
vy4 = vec_mergeh (vx2, vx6); \
vy5 = vec_mergel (vx2, vx6); \
vy6 = vec_mergeh (vx3, vx7); \
vy7 = vec_mergel (vx3, vx7); \
\
vx0 = vec_adds (vec_mergeh (vy0, vy4), bias); \
vx1 = vec_mergel (vy0, vy4); \
vx2 = vec_mergeh (vy1, vy5); \
vx3 = vec_mergel (vy1, vy5); \
vx4 = vec_mergeh (vy2, vy6); \
vx5 = vec_mergel (vy2, vy6); \
vx6 = vec_mergeh (vy3, vy7); \
vx7 = vec_mergel (vy3, vy7); \
\
IDCT_HALF \
\
shift = vec_splat_u16 (6); \
vx0 = vec_sra (vy0, shift); \
vx1 = vec_sra (vy1, shift); \
vx2 = vec_sra (vy2, shift); \
vx3 = vec_sra (vy3, shift); \
vx4 = vec_sra (vy4, shift); \
vx5 = vec_sra (vy5, shift); \
vx6 = vec_sra (vy6, shift); \
vx7 = vec_sra (vy7, shift);
static const vector_s16_t constants[5] = {
(vector_s16_t)(23170, 13573, 6518, 21895, -23170, -21895, 32, 31),
(vector_s16_t)(16384, 22725, 21407, 19266, 16384, 19266, 21407, 22725),
(vector_s16_t)(22725, 31521, 29692, 26722, 22725, 26722, 29692, 31521),
(vector_s16_t)(21407, 29692, 27969, 25172, 21407, 25172, 27969, 29692),
(vector_s16_t)(19266, 26722, 25172, 22654, 19266, 22654, 25172, 26722)
};
void mpeg2_idct_copy_altivec (vector_s16_t * const block, unsigned char * dest,
const int stride)
{
vector_u8_t tmp;
IDCT
#define COPY(dest,src) \
tmp = vec_packsu (src, src); \
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest); \
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
COPY (dest, vx0) dest += stride;
COPY (dest, vx1) dest += stride;
COPY (dest, vx2) dest += stride;
COPY (dest, vx3) dest += stride;
COPY (dest, vx4) dest += stride;
COPY (dest, vx5) dest += stride;
COPY (dest, vx6) dest += stride;
COPY (dest, vx7)
memset (block, 0, 64 * sizeof (signed short));
}
void mpeg2_idct_add_altivec (const int last, vector_s16_t * const block,
unsigned char * dest, const int stride)
{
vector_u8_t tmp;
vector_s16_t tmp2, tmp3;
vector_u8_t perm0;
vector_u8_t perm1;
vector_u8_t p0, p1, p;
IDCT
p0 = vec_lvsl (0, dest);
p1 = vec_lvsl (stride, dest);
p = vec_splat_u8 (-1);
perm0 = vec_mergeh (p, p0);
perm1 = vec_mergeh (p, p1);
#define ADD(dest,src,perm) \
/* *(uint64_t *)&tmp = *(uint64_t *)dest; */ \
tmp = vec_ld (0, dest); \
tmp2 = (vector_s16_t)vec_perm (tmp, (vector_u8_t)zero, perm); \
tmp3 = vec_adds (tmp2, src); \
tmp = vec_packsu (tmp3, tmp3); \
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest); \
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
ADD (dest, vx0, perm0) dest += stride;
ADD (dest, vx1, perm1) dest += stride;
ADD (dest, vx2, perm0) dest += stride;
ADD (dest, vx3, perm1) dest += stride;
ADD (dest, vx4, perm0) dest += stride;
ADD (dest, vx5, perm1) dest += stride;
ADD (dest, vx6, perm0) dest += stride;
ADD (dest, vx7, perm1)
memset (block, 0, 64 * sizeof (signed short));
}
#endif /* __ALTIVEC__ */
--- NEW FILE ---
/*
* motion_comp_alpha.c
* Copyright (C) 2002 Falk Hueffner <falk at debian.org>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#ifdef ARCH_ALPHA
#include <inttypes.h>
#include "mpeg2.h"
#include "mpeg2_internal.h"
#include "alpha_asm.h"
static inline uint64_t avg2(uint64_t a, uint64_t b)
{
return (a | b) - (((a ^ b) & BYTE_VEC(0xfe)) >> 1);
}
// Load two unaligned quadwords from addr. This macro only works if
// addr is actually unaligned.
#define ULOAD16(ret_l, ret_r, addr) \
do { \
uint64_t _l = ldq_u(addr + 0); \
uint64_t _m = ldq_u(addr + 8); \
uint64_t _r = ldq_u(addr + 16); \
ret_l = extql(_l, addr) | extqh(_m, addr); \
ret_r = extql(_m, addr) | extqh(_r, addr); \
} while (0)
// Load two aligned quadwords from addr.
#define ALOAD16(ret_l, ret_r, addr) \
do { \
ret_l = ldq(addr); \
ret_r = ldq(addr + 8); \
} while (0)
#define OP8(LOAD, LOAD16, STORE) \
do { \
STORE(LOAD(pixels), block); \
pixels += line_size; \
block += line_size; \
} while (--h)
#define OP16(LOAD, LOAD16, STORE) \
do { \
uint64_t l, r; \
LOAD16(l, r, pixels); \
STORE(l, block); \
STORE(r, block + 8); \
pixels += line_size; \
block += line_size; \
} while (--h)
#define OP8_X2(LOAD, LOAD16, STORE) \
do { \
uint64_t p0, p1; \
\
p0 = LOAD(pixels); \
p1 = p0 >> 8 | ((uint64_t) pixels[8] << 56); \
STORE(avg2(p0, p1), block); \
pixels += line_size; \
block += line_size; \
} while (--h)
#define OP16_X2(LOAD, LOAD16, STORE) \
do { \
uint64_t p0, p1; \
\
LOAD16(p0, p1, pixels); \
STORE(avg2(p0, p0 >> 8 | p1 << 56), block); \
STORE(avg2(p1, p1 >> 8 | (uint64_t) pixels[16] << 56), \
block + 8); \
pixels += line_size; \
block += line_size; \
} while (--h)
#define OP8_Y2(LOAD, LOAD16, STORE) \
do { \
uint64_t p0, p1; \
p0 = LOAD(pixels); \
pixels += line_size; \
p1 = LOAD(pixels); \
do { \
uint64_t av = avg2(p0, p1); \
if (--h == 0) line_size = 0; \
pixels += line_size; \
p0 = p1; \
p1 = LOAD(pixels); \
STORE(av, block); \
block += line_size; \
} while (h); \
} while (0)
#define OP16_Y2(LOAD, LOAD16, STORE) \
do { \
uint64_t p0l, p0r, p1l, p1r; \
LOAD16(p0l, p0r, pixels); \
pixels += line_size; \
LOAD16(p1l, p1r, pixels); \
do { \
uint64_t avl, avr; \
if (--h == 0) line_size = 0; \
avl = avg2(p0l, p1l); \
avr = avg2(p0r, p1r); \
p0l = p1l; \
p0r = p1r; \
pixels += line_size; \
LOAD16(p1l, p1r, pixels); \
STORE(avl, block); \
STORE(avr, block + 8); \
block += line_size; \
} while (h); \
} while (0)
#define OP8_XY2(LOAD, LOAD16, STORE) \
do { \
uint64_t pl, ph; \
uint64_t p1 = LOAD(pixels); \
uint64_t p2 = p1 >> 8 | ((uint64_t) pixels[8] << 56); \
\
ph = ((p1 & ~BYTE_VEC(0x03)) >> 2) \
+ ((p2 & ~BYTE_VEC(0x03)) >> 2); \
pl = (p1 & BYTE_VEC(0x03)) \
+ (p2 & BYTE_VEC(0x03)); \
\
do { \
uint64_t npl, nph; \
\
pixels += line_size; \
p1 = LOAD(pixels); \
p2 = (p1 >> 8) | ((uint64_t) pixels[8] << 56); \
nph = ((p1 & ~BYTE_VEC(0x03)) >> 2) \
+ ((p2 & ~BYTE_VEC(0x03)) >> 2); \
npl = (p1 & BYTE_VEC(0x03)) \
+ (p2 & BYTE_VEC(0x03)); \
\
STORE(ph + nph \
+ (((pl + npl + BYTE_VEC(0x02)) >> 2) \
& BYTE_VEC(0x03)), block); \
\
block += line_size; \
pl = npl; \
ph = nph; \
} while (--h); \
} while (0)
#define OP16_XY2(LOAD, LOAD16, STORE) \
do { \
uint64_t p0, p1, p2, p3, pl_l, ph_l, pl_r, ph_r; \
LOAD16(p0, p2, pixels); \
p1 = p0 >> 8 | (p2 << 56); \
p3 = p2 >> 8 | ((uint64_t) pixels[16] << 56); \
\
ph_l = ((p0 & ~BYTE_VEC(0x03)) >> 2) \
+ ((p1 & ~BYTE_VEC(0x03)) >> 2); \
pl_l = (p0 & BYTE_VEC(0x03)) \
+ (p1 & BYTE_VEC(0x03)); \
ph_r = ((p2 & ~BYTE_VEC(0x03)) >> 2) \
+ ((p3 & ~BYTE_VEC(0x03)) >> 2); \
pl_r = (p2 & BYTE_VEC(0x03)) \
+ (p3 & BYTE_VEC(0x03)); \
\
do { \
uint64_t npl_l, nph_l, npl_r, nph_r; \
\
pixels += line_size; \
LOAD16(p0, p2, pixels); \
p1 = p0 >> 8 | (p2 << 56); \
p3 = p2 >> 8 | ((uint64_t) pixels[16] << 56); \
nph_l = ((p0 & ~BYTE_VEC(0x03)) >> 2) \
+ ((p1 & ~BYTE_VEC(0x03)) >> 2); \
npl_l = (p0 & BYTE_VEC(0x03)) \
+ (p1 & BYTE_VEC(0x03)); \
nph_r = ((p2 & ~BYTE_VEC(0x03)) >> 2) \
+ ((p3 & ~BYTE_VEC(0x03)) >> 2); \
npl_r = (p2 & BYTE_VEC(0x03)) \
+ (p3 & BYTE_VEC(0x03)); \
\
STORE(ph_l + nph_l \
+ (((pl_l + npl_l + BYTE_VEC(0x02)) >> 2) \
& BYTE_VEC(0x03)), block); \
STORE(ph_r + nph_r \
+ (((pl_r + npl_r + BYTE_VEC(0x02)) >> 2) \
& BYTE_VEC(0x03)), block + 8); \
\
block += line_size; \
pl_l = npl_l; \
ph_l = nph_l; \
pl_r = npl_r; \
ph_r = nph_r; \
} while (--h); \
} while (0)
#define MAKE_OP(OPNAME, SIZE, SUFF, OPKIND, STORE) \
static void MC_ ## OPNAME ## _ ## SUFF ## _ ## SIZE ## _alpha \
(uint8_t *restrict block, const uint8_t *restrict pixels, \
int line_size, int h) \
{ \
if ((uint64_t) pixels & 0x7) { \
OPKIND(uldq, ULOAD16, STORE); \
} else { \
OPKIND(ldq, ALOAD16, STORE); \
} \
}
#define PIXOP(OPNAME, STORE) \
MAKE_OP(OPNAME, 8, o, OP8, STORE); \
MAKE_OP(OPNAME, 8, x, OP8_X2, STORE); \
MAKE_OP(OPNAME, 8, y, OP8_Y2, STORE); \
MAKE_OP(OPNAME, 8, xy, OP8_XY2, STORE); \
MAKE_OP(OPNAME, 16, o, OP16, STORE); \
MAKE_OP(OPNAME, 16, x, OP16_X2, STORE); \
MAKE_OP(OPNAME, 16, y, OP16_Y2, STORE); \
MAKE_OP(OPNAME, 16, xy, OP16_XY2, STORE);
#define STORE(l, b) stq(l, b)
PIXOP(put, STORE);
#undef STORE
#define STORE(l, b) stq(avg2(l, ldq(b)), b);
PIXOP(avg, STORE);
mpeg2_mc_t mpeg2_mc_alpha = {
{ MC_put_o_16_alpha, MC_put_x_16_alpha,
MC_put_y_16_alpha, MC_put_xy_16_alpha,
MC_put_o_8_alpha, MC_put_x_8_alpha,
MC_put_y_8_alpha, MC_put_xy_8_alpha },
{ MC_avg_o_16_alpha, MC_avg_x_16_alpha,
MC_avg_y_16_alpha, MC_avg_xy_16_alpha,
MC_avg_o_8_alpha, MC_avg_x_8_alpha,
MC_avg_y_8_alpha, MC_avg_xy_8_alpha }
};
#endif
--- NEW FILE ---
/*
* motion_comp_altivec.c
* Copyright (C) 2000-2002 Michel Lespinasse <walken at zoy.org>
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma at ess.engr.uvic.ca>
*
* This file is part of mpeg2dec, a free MPEG-2 video stream decoder.
* See http://libmpeg2.sourceforge.net/ for updates.
*
* mpeg2dec is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* mpeg2dec 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
[...1980 lines suppressed...]
} while (--height);
ref0 = vec_ld (0, ref);
ref1 = vec_ld (8, ref);
prev = vec_ld (stride, dest);
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
dest += stride;
A = vec_perm (ref0, ref1, perm0A);
B = vec_perm (ref0, ref1, perm0B);
avg0 = vec_avg (A, B);
xor0 = vec_xor (A, B);
tmp = vec_avg (prev, vec_sub (vec_avg (avg0, avg1),
vec_and (vec_and (ones, vec_or (xor0, xor1)),
vec_xor (avg0, avg1))));
vec_ste ((vector_u32_t)tmp, 0, (unsigned int *)dest);
vec_ste ((vector_u32_t)tmp, 4, (unsigned int *)dest);
}
#endif /* __ALTIVEC__ */
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