mirror of
https://github.com/mpv-player/mpv
synced 2025-03-25 04:38:01 +00:00
Importing libmpeg2 from mpeg2dec-0.3.1
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9858 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi
parent
4ffd483b48
commit
134008a534
76
libmpeg2/alloc.c
Normal file
76
libmpeg2/alloc.c
Normal file
@ -0,0 +1,76 @@
|
||||
/*
|
||||
* alloc.c
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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
|
||||
}
|
||||
184
libmpeg2/alpha_asm.h
Normal file
184
libmpeg2/alpha_asm.h
Normal file
@ -0,0 +1,184 @@
|
||||
/*
|
||||
* Alpha assembly macros
|
||||
* Copyright (c) 2002 Falk Hueffner <falk@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 */
|
||||
56
libmpeg2/convert.h
Normal file
56
libmpeg2/convert.h
Normal file
@ -0,0 +1,56 @@
|
||||
/*
|
||||
* convert.h
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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 */
|
||||
175
libmpeg2/cpu_accel.c
Normal file
175
libmpeg2/cpu_accel.c
Normal file
@ -0,0 +1,175 @@
|
||||
/*
|
||||
* cpu_accel.c
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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;
|
||||
}
|
||||
119
libmpeg2/cpu_state.c
Normal file
119
libmpeg2/cpu_state.c
Normal file
@ -0,0 +1,119 @@
|
||||
/*
|
||||
* cpu_state.c
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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
|
||||
}
|
||||
439
libmpeg2/decode.c
Normal file
439
libmpeg2/decode.c
Normal file
@ -0,0 +1,439 @@
|
||||
/*
|
||||
* decode.c
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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 <string.h> /* memcmp/memset, try to remove */
|
||||
#include <stdlib.h>
|
||||
#include <inttypes.h>
|
||||
|
||||
#include "mpeg2.h"
|
||||
#include "mpeg2_internal.h"
|
||||
#include "convert.h"
|
||||
|
||||
static int mpeg2_accels = 0;
|
||||
|
||||
#define BUFFER_SIZE (1194 * 1024)
|
||||
|
||||
const mpeg2_info_t * mpeg2_info (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
return &(mpeg2dec->info);
|
||||
}
|
||||
|
||||
static inline int skip_chunk (mpeg2dec_t * mpeg2dec, int bytes)
|
||||
{
|
||||
uint8_t * current;
|
||||
uint32_t shift;
|
||||
uint8_t * chunk_ptr;
|
||||
uint8_t * limit;
|
||||
uint8_t byte;
|
||||
|
||||
if (!bytes)
|
||||
return 0;
|
||||
|
||||
current = mpeg2dec->buf_start;
|
||||
shift = mpeg2dec->shift;
|
||||
chunk_ptr = mpeg2dec->chunk_ptr;
|
||||
limit = current + bytes;
|
||||
|
||||
do {
|
||||
byte = *current++;
|
||||
if (shift == 0x00000100) {
|
||||
int skipped;
|
||||
|
||||
mpeg2dec->shift = 0xffffff00;
|
||||
skipped = current - mpeg2dec->buf_start;
|
||||
mpeg2dec->buf_start = current;
|
||||
return skipped;
|
||||
}
|
||||
shift = (shift | byte) << 8;
|
||||
} while (current < limit);
|
||||
|
||||
mpeg2dec->shift = shift;
|
||||
mpeg2dec->buf_start = current;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static inline int copy_chunk (mpeg2dec_t * mpeg2dec, int bytes)
|
||||
{
|
||||
uint8_t * current;
|
||||
uint32_t shift;
|
||||
uint8_t * chunk_ptr;
|
||||
uint8_t * limit;
|
||||
uint8_t byte;
|
||||
|
||||
if (!bytes)
|
||||
return 0;
|
||||
|
||||
current = mpeg2dec->buf_start;
|
||||
shift = mpeg2dec->shift;
|
||||
chunk_ptr = mpeg2dec->chunk_ptr;
|
||||
limit = current + bytes;
|
||||
|
||||
do {
|
||||
byte = *current++;
|
||||
if (shift == 0x00000100) {
|
||||
int copied;
|
||||
|
||||
mpeg2dec->shift = 0xffffff00;
|
||||
mpeg2dec->chunk_ptr = chunk_ptr + 1;
|
||||
copied = current - mpeg2dec->buf_start;
|
||||
mpeg2dec->buf_start = current;
|
||||
return copied;
|
||||
}
|
||||
shift = (shift | byte) << 8;
|
||||
*chunk_ptr++ = byte;
|
||||
} while (current < limit);
|
||||
|
||||
mpeg2dec->shift = shift;
|
||||
mpeg2dec->buf_start = current;
|
||||
return 0;
|
||||
}
|
||||
|
||||
void mpeg2_buffer (mpeg2dec_t * mpeg2dec, uint8_t * start, uint8_t * end)
|
||||
{
|
||||
mpeg2dec->buf_start = start;
|
||||
mpeg2dec->buf_end = end;
|
||||
}
|
||||
|
||||
static inline int seek_chunk (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
int size, skipped;
|
||||
|
||||
size = mpeg2dec->buf_end - mpeg2dec->buf_start;
|
||||
skipped = skip_chunk (mpeg2dec, size);
|
||||
if (!skipped) {
|
||||
mpeg2dec->bytes_since_pts += size;
|
||||
return -1;
|
||||
}
|
||||
mpeg2dec->bytes_since_pts += skipped;
|
||||
mpeg2dec->code = mpeg2dec->buf_start[-1];
|
||||
return 0;
|
||||
}
|
||||
|
||||
int mpeg2_seek_header (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
while (mpeg2dec->code != 0xb3 &&
|
||||
((mpeg2dec->code != 0xb7 && mpeg2dec->code != 0xb8 &&
|
||||
mpeg2dec->code) || mpeg2dec->sequence.width == -1))
|
||||
if (seek_chunk (mpeg2dec))
|
||||
return -1;
|
||||
mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer;
|
||||
return mpeg2_parse_header (mpeg2dec);
|
||||
}
|
||||
|
||||
int mpeg2_seek_sequence (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
mpeg2dec->sequence.width = -1;
|
||||
return mpeg2_seek_header (mpeg2dec);
|
||||
}
|
||||
|
||||
#define RECEIVED(code,state) (((state) << 8) + (code))
|
||||
|
||||
int mpeg2_parse (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
int size_buffer, size_chunk, copied;
|
||||
|
||||
if (mpeg2dec->action) {
|
||||
int state;
|
||||
|
||||
state = mpeg2dec->action (mpeg2dec);
|
||||
if (state)
|
||||
return state;
|
||||
}
|
||||
|
||||
while (1) {
|
||||
while ((unsigned) (mpeg2dec->code - mpeg2dec->first_decode_slice) <
|
||||
mpeg2dec->nb_decode_slices) {
|
||||
size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start;
|
||||
size_chunk = (mpeg2dec->chunk_buffer + BUFFER_SIZE -
|
||||
mpeg2dec->chunk_ptr);
|
||||
if (size_buffer <= size_chunk) {
|
||||
copied = copy_chunk (mpeg2dec, size_buffer);
|
||||
if (!copied) {
|
||||
mpeg2dec->bytes_since_pts += size_buffer;
|
||||
mpeg2dec->chunk_ptr += size_buffer;
|
||||
return -1;
|
||||
}
|
||||
} else {
|
||||
copied = copy_chunk (mpeg2dec, size_chunk);
|
||||
if (!copied) {
|
||||
/* filled the chunk buffer without finding a start code */
|
||||
mpeg2dec->bytes_since_pts += size_chunk;
|
||||
mpeg2dec->action = seek_chunk;
|
||||
return STATE_INVALID;
|
||||
}
|
||||
}
|
||||
mpeg2dec->bytes_since_pts += copied;
|
||||
|
||||
mpeg2_slice (&(mpeg2dec->decoder), mpeg2dec->code,
|
||||
mpeg2dec->chunk_start);
|
||||
mpeg2dec->code = mpeg2dec->buf_start[-1];
|
||||
mpeg2dec->chunk_ptr = mpeg2dec->chunk_start;
|
||||
}
|
||||
if ((unsigned) (mpeg2dec->code - 1) >= 0xb0 - 1)
|
||||
break;
|
||||
if (seek_chunk (mpeg2dec))
|
||||
return -1;
|
||||
}
|
||||
|
||||
switch (RECEIVED (mpeg2dec->code, mpeg2dec->state)) {
|
||||
case RECEIVED (0x00, STATE_SLICE_1ST):
|
||||
case RECEIVED (0x00, STATE_SLICE):
|
||||
mpeg2dec->action = mpeg2_header_picture_start;
|
||||
break;
|
||||
case RECEIVED (0xb7, STATE_SLICE):
|
||||
mpeg2dec->action = mpeg2_header_end;
|
||||
break;
|
||||
case RECEIVED (0xb3, STATE_SLICE):
|
||||
case RECEIVED (0xb8, STATE_SLICE):
|
||||
mpeg2dec->action = mpeg2_parse_header;
|
||||
break;
|
||||
default:
|
||||
mpeg2dec->action = mpeg2_seek_header;
|
||||
return STATE_INVALID;
|
||||
}
|
||||
return mpeg2dec->state;
|
||||
}
|
||||
|
||||
int mpeg2_parse_header (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
static int (* process_header[]) (mpeg2dec_t * mpeg2dec) = {
|
||||
mpeg2_header_picture, mpeg2_header_extension, mpeg2_header_user_data,
|
||||
mpeg2_header_sequence, NULL, NULL, NULL, NULL, mpeg2_header_gop
|
||||
};
|
||||
int size_buffer, size_chunk, copied;
|
||||
|
||||
mpeg2dec->action = mpeg2_parse_header;
|
||||
while (1) {
|
||||
size_buffer = mpeg2dec->buf_end - mpeg2dec->buf_start;
|
||||
size_chunk = (mpeg2dec->chunk_buffer + BUFFER_SIZE -
|
||||
mpeg2dec->chunk_ptr);
|
||||
if (size_buffer <= size_chunk) {
|
||||
copied = copy_chunk (mpeg2dec, size_buffer);
|
||||
if (!copied) {
|
||||
mpeg2dec->bytes_since_pts += size_buffer;
|
||||
mpeg2dec->chunk_ptr += size_buffer;
|
||||
return -1;
|
||||
}
|
||||
} else {
|
||||
copied = copy_chunk (mpeg2dec, size_chunk);
|
||||
if (!copied) {
|
||||
/* filled the chunk buffer without finding a start code */
|
||||
mpeg2dec->bytes_since_pts += size_chunk;
|
||||
mpeg2dec->code = 0xb4;
|
||||
mpeg2dec->action = mpeg2_seek_header;
|
||||
return STATE_INVALID;
|
||||
}
|
||||
}
|
||||
mpeg2dec->bytes_since_pts += copied;
|
||||
|
||||
if (process_header[mpeg2dec->code & 0x0b] (mpeg2dec)) {
|
||||
mpeg2dec->code = mpeg2dec->buf_start[-1];
|
||||
mpeg2dec->action = mpeg2_seek_header;
|
||||
return STATE_INVALID;
|
||||
}
|
||||
|
||||
mpeg2dec->code = mpeg2dec->buf_start[-1];
|
||||
switch (RECEIVED (mpeg2dec->code, mpeg2dec->state)) {
|
||||
|
||||
/* state transition after a sequence header */
|
||||
case RECEIVED (0x00, STATE_SEQUENCE):
|
||||
mpeg2dec->action = mpeg2_header_picture_start;
|
||||
case RECEIVED (0xb8, STATE_SEQUENCE):
|
||||
mpeg2_header_sequence_finalize (mpeg2dec);
|
||||
break;
|
||||
|
||||
/* other legal state transitions */
|
||||
case RECEIVED (0x00, STATE_GOP):
|
||||
mpeg2dec->action = mpeg2_header_picture_start;
|
||||
break;
|
||||
case RECEIVED (0x01, STATE_PICTURE):
|
||||
case RECEIVED (0x01, STATE_PICTURE_2ND):
|
||||
mpeg2dec->action = mpeg2_header_slice_start;
|
||||
break;
|
||||
|
||||
/* legal headers within a given state */
|
||||
case RECEIVED (0xb2, STATE_SEQUENCE):
|
||||
case RECEIVED (0xb2, STATE_GOP):
|
||||
case RECEIVED (0xb2, STATE_PICTURE):
|
||||
case RECEIVED (0xb2, STATE_PICTURE_2ND):
|
||||
case RECEIVED (0xb5, STATE_SEQUENCE):
|
||||
case RECEIVED (0xb5, STATE_PICTURE):
|
||||
case RECEIVED (0xb5, STATE_PICTURE_2ND):
|
||||
mpeg2dec->chunk_ptr = mpeg2dec->chunk_start;
|
||||
continue;
|
||||
|
||||
default:
|
||||
mpeg2dec->action = mpeg2_seek_header;
|
||||
return STATE_INVALID;
|
||||
}
|
||||
|
||||
mpeg2dec->chunk_start = mpeg2dec->chunk_ptr = mpeg2dec->chunk_buffer;
|
||||
return mpeg2dec->state;
|
||||
}
|
||||
}
|
||||
|
||||
void mpeg2_convert (mpeg2dec_t * mpeg2dec,
|
||||
void (* convert) (int, int, uint32_t, void *,
|
||||
struct convert_init_s *), void * arg)
|
||||
{
|
||||
convert_init_t convert_init;
|
||||
int size;
|
||||
|
||||
convert_init.id = NULL;
|
||||
convert (mpeg2dec->decoder.width, mpeg2dec->decoder.height,
|
||||
mpeg2_accels, arg, &convert_init);
|
||||
if (convert_init.id_size) {
|
||||
convert_init.id = mpeg2dec->convert_id =
|
||||
mpeg2_malloc (convert_init.id_size, ALLOC_CONVERT_ID);
|
||||
convert (mpeg2dec->decoder.width, mpeg2dec->decoder.height,
|
||||
mpeg2_accels, arg, &convert_init);
|
||||
}
|
||||
mpeg2dec->convert_size[0] = size = convert_init.buf_size[0];
|
||||
mpeg2dec->convert_size[1] = size += convert_init.buf_size[1];
|
||||
mpeg2dec->convert_size[2] = size += convert_init.buf_size[2];
|
||||
mpeg2dec->convert_start = convert_init.start;
|
||||
mpeg2dec->convert_copy = convert_init.copy;
|
||||
|
||||
size = mpeg2dec->decoder.width * mpeg2dec->decoder.height >> 2;
|
||||
mpeg2dec->yuv_buf[0][0] = (uint8_t *) mpeg2_malloc (6 * size, ALLOC_YUV);
|
||||
mpeg2dec->yuv_buf[0][1] = mpeg2dec->yuv_buf[0][0] + 4 * size;
|
||||
mpeg2dec->yuv_buf[0][2] = mpeg2dec->yuv_buf[0][0] + 5 * size;
|
||||
mpeg2dec->yuv_buf[1][0] = (uint8_t *) mpeg2_malloc (6 * size, ALLOC_YUV);
|
||||
mpeg2dec->yuv_buf[1][1] = mpeg2dec->yuv_buf[1][0] + 4 * size;
|
||||
mpeg2dec->yuv_buf[1][2] = mpeg2dec->yuv_buf[1][0] + 5 * size;
|
||||
size = mpeg2dec->decoder.width * 8;
|
||||
mpeg2dec->yuv_buf[2][0] = (uint8_t *) mpeg2_malloc (6 * size, ALLOC_YUV);
|
||||
mpeg2dec->yuv_buf[2][1] = mpeg2dec->yuv_buf[2][0] + 4 * size;
|
||||
mpeg2dec->yuv_buf[2][2] = mpeg2dec->yuv_buf[2][0] + 5 * size;
|
||||
}
|
||||
|
||||
void mpeg2_set_buf (mpeg2dec_t * mpeg2dec, uint8_t * buf[3], void * id)
|
||||
{
|
||||
fbuf_t * fbuf;
|
||||
|
||||
if (mpeg2dec->custom_fbuf) {
|
||||
mpeg2_set_fbuf (mpeg2dec, mpeg2dec->decoder.coding_type);
|
||||
fbuf = mpeg2dec->fbuf[0];
|
||||
if (mpeg2dec->state == STATE_SEQUENCE) {
|
||||
mpeg2dec->fbuf[2] = mpeg2dec->fbuf[1];
|
||||
mpeg2dec->fbuf[1] = mpeg2dec->fbuf[0];
|
||||
}
|
||||
} else {
|
||||
fbuf = &(mpeg2dec->fbuf_alloc[mpeg2dec->alloc_index].fbuf);
|
||||
mpeg2dec->alloc_index_user = ++mpeg2dec->alloc_index;
|
||||
}
|
||||
fbuf->buf[0] = buf[0];
|
||||
fbuf->buf[1] = buf[1];
|
||||
fbuf->buf[2] = buf[2];
|
||||
fbuf->id = id;
|
||||
}
|
||||
|
||||
void mpeg2_custom_fbuf (mpeg2dec_t * mpeg2dec, int custom_fbuf)
|
||||
{
|
||||
mpeg2dec->custom_fbuf = custom_fbuf;
|
||||
}
|
||||
|
||||
void mpeg2_skip (mpeg2dec_t * mpeg2dec, int skip)
|
||||
{
|
||||
mpeg2dec->first_decode_slice = 1;
|
||||
mpeg2dec->nb_decode_slices = skip ? 0 : (0xb0 - 1);
|
||||
}
|
||||
|
||||
void mpeg2_slice_region (mpeg2dec_t * mpeg2dec, int start, int end)
|
||||
{
|
||||
start = (start < 1) ? 1 : (start > 0xb0) ? 0xb0 : start;
|
||||
end = (end < start) ? start : (end > 0xb0) ? 0xb0 : end;
|
||||
mpeg2dec->first_decode_slice = start;
|
||||
mpeg2dec->nb_decode_slices = end - start;
|
||||
}
|
||||
|
||||
void mpeg2_pts (mpeg2dec_t * mpeg2dec, uint32_t pts)
|
||||
{
|
||||
mpeg2dec->pts_previous = mpeg2dec->pts_current;
|
||||
mpeg2dec->pts_current = pts;
|
||||
mpeg2dec->num_pts++;
|
||||
mpeg2dec->bytes_since_pts = 0;
|
||||
}
|
||||
|
||||
uint32_t mpeg2_accel (uint32_t accel)
|
||||
{
|
||||
if (!mpeg2_accels) {
|
||||
if (accel & MPEG2_ACCEL_DETECT)
|
||||
accel |= mpeg2_detect_accel ();
|
||||
mpeg2_accels = accel |= MPEG2_ACCEL_DETECT;
|
||||
mpeg2_cpu_state_init (accel);
|
||||
mpeg2_idct_init (accel);
|
||||
mpeg2_mc_init (accel);
|
||||
}
|
||||
return mpeg2_accels & ~MPEG2_ACCEL_DETECT;
|
||||
}
|
||||
|
||||
mpeg2dec_t * mpeg2_init (void)
|
||||
{
|
||||
mpeg2dec_t * mpeg2dec;
|
||||
|
||||
mpeg2_accel (MPEG2_ACCEL_DETECT);
|
||||
|
||||
mpeg2dec = (mpeg2dec_t *) mpeg2_malloc (sizeof (mpeg2dec_t),
|
||||
ALLOC_MPEG2DEC);
|
||||
if (mpeg2dec == NULL)
|
||||
return NULL;
|
||||
|
||||
memset (mpeg2dec, 0, sizeof (mpeg2dec_t));
|
||||
|
||||
mpeg2dec->chunk_buffer = (uint8_t *) mpeg2_malloc (BUFFER_SIZE + 4,
|
||||
ALLOC_CHUNK);
|
||||
|
||||
mpeg2dec->shift = 0xffffff00;
|
||||
mpeg2dec->action = mpeg2_seek_sequence;
|
||||
mpeg2dec->code = 0xb4;
|
||||
mpeg2dec->first_decode_slice = 1;
|
||||
mpeg2dec->nb_decode_slices = 0xb0 - 1;
|
||||
mpeg2dec->convert_id = NULL;
|
||||
|
||||
/* initialize substructures */
|
||||
mpeg2_header_state_init (mpeg2dec);
|
||||
|
||||
return mpeg2dec;
|
||||
}
|
||||
|
||||
void mpeg2_close (mpeg2dec_t * mpeg2dec)
|
||||
{
|
||||
int i;
|
||||
|
||||
/* static uint8_t finalizer[] = {0,0,1,0xb4}; */
|
||||
/* mpeg2_decode_data (mpeg2dec, finalizer, finalizer+4); */
|
||||
|
||||
mpeg2_free (mpeg2dec->chunk_buffer);
|
||||
if (!mpeg2dec->custom_fbuf)
|
||||
for (i = mpeg2dec->alloc_index_user; i < mpeg2dec->alloc_index; i++)
|
||||
mpeg2_free (mpeg2dec->fbuf_alloc[i].fbuf.buf[0]);
|
||||
if (mpeg2dec->convert_start)
|
||||
for (i = 0; i < 3; i++)
|
||||
mpeg2_free (mpeg2dec->yuv_buf[i][0]);
|
||||
if (mpeg2dec->convert_id)
|
||||
mpeg2_free (mpeg2dec->convert_id);
|
||||
mpeg2_free (mpeg2dec);
|
||||
}
|
||||
380
libmpeg2/idct_alpha.c
Normal file
380
libmpeg2/idct_alpha.c
Normal file
@ -0,0 +1,380 @@
|
||||
/*
|
||||
* idct_alpha.c
|
||||
* Copyright (C) 2002 Falk Hueffner <falk@debian.org>
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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 */
|
||||
705
libmpeg2/idct_altivec.c
Normal file
705
libmpeg2/idct_altivec.c
Normal file
@ -0,0 +1,705 @@
|
||||
/*
|
||||
* idct_altivec.c
|
||||
* Copyright (C) 2000-2002 Michel Lespinasse <walken@zoy.org>
|
||||
* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@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@ha \n"
|
||||
" lvx %v1, 0, %r9 \n"
|
||||
" la %r10, constants@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@ha \n"
|
||||
" vspltisw %v3, -1 \n"
|
||||
" la %r10, constants@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__ */
|
||||
253
libmpeg2/motion_comp_alpha.c
Normal file
253
libmpeg2/motion_comp_alpha.c
Normal file
@ -0,0 +1,253 @@
|
||||
/*
|
||||
* motion_comp_alpha.c
|
||||
* Copyright (C) 2002 Falk Hueffner <falk@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
|
||||
2019
libmpeg2/motion_comp_altivec.c
Normal file
2019
libmpeg2/motion_comp_altivec.c
Normal file
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user