mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
#ifndef DSPUTIL_H
|
|
#define DSPUTIL_H
|
|
|
|
#include "common.h"
|
|
|
|
/* dct code */
|
|
typedef short DCTELEM;
|
|
|
|
void jpeg_fdct_ifast (DCTELEM *data);
|
|
|
|
void j_rev_dct (DCTELEM *data);
|
|
|
|
void fdct_mmx(DCTELEM *block);
|
|
|
|
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];
|
|
|
|
/* 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 (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
|
|
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);
|
|
|
|
void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
|
|
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);
|
|
|
|
/* add and put pixel (decoding) */
|
|
typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
|
|
|
|
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];
|
|
|
|
/* sub pixel (encoding) */
|
|
extern void (*sub_pixels_tab[4])(DCTELEM *block, const UINT8 *pixels, int line_size, int h);
|
|
|
|
#define sub_pixels_2(block, pixels, line_size, dxy) \
|
|
sub_pixels_tab[dxy](block, pixels, line_size, 8)
|
|
|
|
/* motion estimation */
|
|
|
|
typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size, int h);
|
|
|
|
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;
|
|
|
|
int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
|
|
int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
|
|
int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
|
|
int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx, int h);
|
|
|
|
static inline int block_permute_op(int j)
|
|
{
|
|
return (j & 0x38) | ((j & 6) >> 1) | ((j & 1) << 2);
|
|
}
|
|
|
|
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);
|
|
|
|
#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);
|
|
|
|
#else
|
|
|
|
#define emms_c()
|
|
|
|
#define __align8
|
|
|
|
#endif
|
|
|
|
#endif
|