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/*
* DSP utils
* Copyright (c) 2000, 2001, 2002 Fabrice Bellard.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef DSPUTIL_H
#define DSPUTIL_H
#include "common.h"
#include "avcodec.h"
//#define DEBUG
/* dct code */
typedef short DCTELEM;
void fdct_ifast (DCTELEM *data);
void j_rev_dct (DCTELEM *data);
void fdct_mmx(DCTELEM *block);
extern void (*av_fdct)(DCTELEM *block);
/* encoding scans */
extern UINT8 ff_alternate_horizontal_scan[64];
extern UINT8 ff_alternate_vertical_scan[64];
extern UINT8 zigzag_direct[64];
/* permutation table */
extern UINT8 permutation[64];
/* pixel operations */
#define MAX_NEG_CROP 384
/* temporary */
extern UINT32 squareTbl[512];
extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
void dsputil_init(void);
/* pixel ops : interface with DCT */
extern void (*ff_idct)(DCTELEM *block);
extern void (*ff_idct_put)(UINT8 *dest, int line_size, DCTELEM *block);
extern void (*ff_idct_add)(UINT8 *dest, int line_size, DCTELEM *block);
extern void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
extern void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
extern void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
extern void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
extern void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
extern void (*clear_blocks)(DCTELEM *blocks);
void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
void clear_blocks_c(DCTELEM *blocks);
/* add and put pixel (decoding) */
typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
typedef void (*qpel_mc_func)(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my);
extern op_pixels_func put_pixels_tab[4];
extern op_pixels_func avg_pixels_tab[4];
extern op_pixels_func put_no_rnd_pixels_tab[4];
extern op_pixels_func avg_no_rnd_pixels_tab[4];
extern qpel_mc_func qpel_mc_rnd_tab[16];
extern qpel_mc_func qpel_mc_no_rnd_tab[16];
/* motion estimation */
typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size);
extern op_pixels_abs_func pix_abs16x16;
extern op_pixels_abs_func pix_abs16x16_x2;
extern op_pixels_abs_func pix_abs16x16_y2;
extern op_pixels_abs_func pix_abs16x16_xy2;
extern op_pixels_abs_func pix_abs8x8;
extern op_pixels_abs_func pix_abs8x8_x2;
extern op_pixels_abs_func pix_abs8x8_y2;
extern op_pixels_abs_func pix_abs8x8_xy2;
int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx);
int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx);
static inline int block_permute_op(int j)
{
return permutation[j];
}
void block_permute(INT16 *block);
#if defined(HAVE_MMX)
#define MM_MMX 0x0001 /* standard MMX */
#define MM_3DNOW 0x0004 /* AMD 3DNOW */
#define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
#define MM_SSE 0x0008 /* SSE functions */
#define MM_SSE2 0x0010 /* PIV SSE2 functions */
extern int mm_flags;
int mm_support(void);
static inline void emms(void)
{
__asm __volatile ("emms;":::"memory");
}
#define emms_c() \
{\
if (mm_flags & MM_MMX)\
emms();\
}
#define __align8 __attribute__ ((aligned (8)))
void dsputil_init_mmx(void);
void dsputil_set_bit_exact_mmx(void);
#elif defined(ARCH_ARMV4L)
#define emms_c()
/* This is to use 4 bytes read to the IDCT pointers for some 'zero'
line ptimizations */
#define __align8 __attribute__ ((aligned (4)))
void dsputil_init_armv4l(void);
#elif defined(HAVE_MLIB)
#define emms_c()
/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
#define __align8 __attribute__ ((aligned (8)))
void dsputil_init_mlib(void);
#elif defined(ARCH_ALPHA)
#define emms_c()
#define __align8 __attribute__ ((aligned (8)))
void dsputil_init_alpha(void);
#else
#define emms_c()
#define __align8
#endif
#ifdef __GNUC__
struct unaligned_64 { uint64_t l; } __attribute__((packed));
struct unaligned_32 { uint32_t l; } __attribute__((packed));
#define LD32(a) (((const struct unaligned_32 *) (a))->l)
#define LD64(a) (((const struct unaligned_64 *) (a))->l)
#define ST32(a, b) (((struct unaligned_32 *) (a))->l) = (b)
#else /* __GNUC__ */
#define LD32(a) (*((uint32_t*)(a)))
#define LD64(a) (*((uint64_t*)(a)))
#define ST32(a, b) *((uint32_t*)(a)) = (b)
#endif /* !__GNUC__ */
/* PSNR */
void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
int orig_linesize[3], int coded_linesize,
AVCodecContext *avctx);
#endif
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