28db7fce02
per context DCT selection Originally committed as revision 878 to svn://svn.ffmpeg.org/ffmpeg/trunk
205 lines
5.7 KiB
C
205 lines
5.7 KiB
C
/*
|
|
* 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 ff_jpeg_fdct_islow (DCTELEM *data);
|
|
|
|
void j_rev_dct (DCTELEM *data);
|
|
|
|
void fdct_mmx(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);
|
|
extern int (*pix_sum)(UINT8 * pix, int line_size);
|
|
extern int (*pix_norm1)(UINT8 * pix, int line_size);
|
|
|
|
|
|
|
|
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);
|
|
|
|
#elif defined(ARCH_POWERPC)
|
|
|
|
#define emms_c()
|
|
#define __align8 __attribute__ ((aligned (16)))
|
|
|
|
void dsputil_init_altivec(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
|