mirror of https://git.ffmpeg.org/ffmpeg.git
157 lines
4.1 KiB
C
157 lines
4.1 KiB
C
#ifndef DSPUTIL_H
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#define DSPUTIL_H
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#include "common.h"
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#include "avcodec.h"
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//#define DEBUG
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/* dct code */
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typedef short DCTELEM;
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void jpeg_fdct_ifast (DCTELEM *data);
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void j_rev_dct (DCTELEM *data);
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void fdct_mmx(DCTELEM *block);
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void (*av_fdct)(DCTELEM *block);
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/* encoding scans */
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extern UINT8 ff_alternate_horizontal_scan[64];
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extern UINT8 ff_alternate_vertical_scan[64];
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extern UINT8 zigzag_direct[64];
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/* permutation table */
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extern UINT8 permutation[64];
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/* pixel operations */
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#define MAX_NEG_CROP 384
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/* temporary */
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extern UINT32 squareTbl[512];
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extern UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
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void dsputil_init(void);
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/* pixel ops : interface with DCT */
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extern void (*ff_idct)(DCTELEM *block);
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extern void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
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extern void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
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extern void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
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extern void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
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extern void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
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extern void (*clear_blocks)(DCTELEM *blocks);
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void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size);
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void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
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void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
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void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size);
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void clear_blocks_c(DCTELEM *blocks);
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/* add and put pixel (decoding) */
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typedef void (*op_pixels_func)(UINT8 *block, const UINT8 *pixels, int line_size, int h);
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typedef void (*qpel_mc_func)(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my);
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extern op_pixels_func put_pixels_tab[4];
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extern op_pixels_func avg_pixels_tab[4];
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extern op_pixels_func put_no_rnd_pixels_tab[4];
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extern op_pixels_func avg_no_rnd_pixels_tab[4];
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extern qpel_mc_func qpel_mc_rnd_tab[16];
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extern qpel_mc_func qpel_mc_no_rnd_tab[16];
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/* motion estimation */
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typedef int (*op_pixels_abs_func)(UINT8 *blk1, UINT8 *blk2, int line_size);
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extern op_pixels_abs_func pix_abs16x16;
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extern op_pixels_abs_func pix_abs16x16_x2;
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extern op_pixels_abs_func pix_abs16x16_y2;
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extern op_pixels_abs_func pix_abs16x16_xy2;
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extern op_pixels_abs_func pix_abs8x8;
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extern op_pixels_abs_func pix_abs8x8_x2;
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extern op_pixels_abs_func pix_abs8x8_y2;
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extern op_pixels_abs_func pix_abs8x8_xy2;
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int pix_abs16x16_c(UINT8 *blk1, UINT8 *blk2, int lx);
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int pix_abs16x16_x2_c(UINT8 *blk1, UINT8 *blk2, int lx);
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int pix_abs16x16_y2_c(UINT8 *blk1, UINT8 *blk2, int lx);
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int pix_abs16x16_xy2_c(UINT8 *blk1, UINT8 *blk2, int lx);
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static inline int block_permute_op(int j)
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{
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return permutation[j];
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}
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void block_permute(INT16 *block);
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#if defined(HAVE_MMX)
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#define MM_MMX 0x0001 /* standard MMX */
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#define MM_3DNOW 0x0004 /* AMD 3DNOW */
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#define MM_MMXEXT 0x0002 /* SSE integer functions or AMD MMX ext */
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#define MM_SSE 0x0008 /* SSE functions */
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#define MM_SSE2 0x0010 /* PIV SSE2 functions */
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extern int mm_flags;
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int mm_support(void);
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static inline void emms(void)
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{
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__asm __volatile ("emms;":::"memory");
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}
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#define emms_c() \
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{\
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if (mm_flags & MM_MMX)\
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emms();\
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}
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#define __align8 __attribute__ ((aligned (8)))
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void dsputil_init_mmx(void);
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void dsputil_set_bit_exact_mmx(void);
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#elif defined(ARCH_ARMV4L)
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#define emms_c()
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/* This is to use 4 bytes read to the IDCT pointers for some 'zero'
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line ptimizations */
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#define __align8 __attribute__ ((aligned (4)))
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void dsputil_init_armv4l(void);
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#elif defined(HAVE_MLIB)
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#define emms_c()
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/* SPARC/VIS IDCT needs 8-byte aligned DCT blocks */
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#define __align8 __attribute__ ((aligned (8)))
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void dsputil_init_mlib(void);
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#elif defined(ARCH_ALPHA)
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#define emms_c()
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#define __align8 __attribute__ ((aligned (8)))
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void dsputil_init_alpha(void);
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#else
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#define emms_c()
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#define __align8
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#endif
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/* PSNR */
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void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
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int orig_linesize[3], int coded_linesize,
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AVCodecContext *avctx);
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#endif
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