libavcodec/ppc/dsputil_altivec.h

   1 /*
   2  * Copyright (c) 2002 Brian Foley
   3  * Copyright (c) 2002 Dieter Shirley
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #ifndef _DSPUTIL_ALTIVEC_
  21 #define _DSPUTIL_ALTIVEC_
  22
  23 #include "dsputil_ppc.h"
  24
  25 #ifdef HAVE_ALTIVEC
  26
  27 extern int pix_abs16x16_x2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
  28 extern int pix_abs16x16_y2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
  29 extern int pix_abs16x16_xy2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
  30 extern int pix_abs16x16_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
  31 extern int pix_abs8x8_altivec(uint8_t *pix1, uint8_t *pix2, int line_size);
  32 extern int sad16x16_altivec(void *s, uint8_t *a, uint8_t *b, int stride);
  33 extern int sad8x8_altivec(void *s, uint8_t *a, uint8_t *b, int stride);
  34 extern int pix_norm1_altivec(uint8_t *pix, int line_size);
  35 extern int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size);
  36 extern int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size);
  37 extern int pix_sum_altivec(UINT8 * pix, int line_size);
  38 extern void diff_pixels_altivec(DCTELEM* block, const UINT8* s1, const UINT8* s2, int stride);
  39 extern void get_pixels_altivec(DCTELEM* block, const UINT8 * pixels, int line_size);
  40
  41 extern void add_bytes_altivec(uint8_t *dst, uint8_t *src, int w);
  42 extern void put_pixels_clamped_altivec(const DCTELEM *block, UINT8 *restrict pixels, int line_size);
  43 extern void put_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  44 extern void avg_pixels16_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  45 extern void avg_pixels8_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
  46 extern void put_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  47 extern void put_no_rnd_pixels8_xy2_altivec(uint8_t *block, const uint8_t *pixels, int line_size, int h);
  48 extern void put_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
  49 extern void put_no_rnd_pixels16_xy2_altivec(uint8_t * block, const uint8_t * pixels, int line_size, int h);
  50
  51 extern void gmc1_altivec(UINT8 *dst, UINT8 *src, int stride, int h, int x16, int y16, int rounder);
  52
  53 extern int has_altivec(void);
  54
  55 // used to build registers permutation vectors (vcprm)
  56 // the 's' are for words in the _s_econd vector
  57 #define WORD_0 0x00,0x01,0x02,0x03
  58 #define WORD_1 0x04,0x05,0x06,0x07
  59 #define WORD_2 0x08,0x09,0x0a,0x0b
  60 #define WORD_3 0x0c,0x0d,0x0e,0x0f
  61 #define WORD_s0 0x10,0x11,0x12,0x13
  62 #define WORD_s1 0x14,0x15,0x16,0x17
  63 #define WORD_s2 0x18,0x19,0x1a,0x1b
  64 #define WORD_s3 0x1c,0x1d,0x1e,0x1f
  65
  66 #ifdef CONFIG_DARWIN
  67 #define vcprm(a,b,c,d) (const vector unsigned char)(WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d)
  68 #else
  69 #define vcprm(a,b,c,d) (const vector unsigned char){WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d}
  70 #endif
  71
  72 // vcprmle is used to keep the same index as in the SSE version.
  73 // it's the same as vcprm, with the index inversed
  74 // ('le' is Little Endian)
  75 #define vcprmle(a,b,c,d) vcprm(d,c,b,a)
  76
  77 // used to build inverse/identity vectors (vcii)
  78 // n is _n_egative, p is _p_ositive
  79 #define FLOAT_n -1.
  80 #define FLOAT_p 1.
  81
  82
  83 #ifdef CONFIG_DARWIN
  84 #define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d)
  85 #else
  86 #define vcii(a,b,c,d) (const vector float){FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d}
  87 #endif
  88
  89 #else /* HAVE_ALTIVEC */
  90 #ifdef ALTIVEC_USE_REFERENCE_C_CODE
  91 #error "I can't use ALTIVEC_USE_REFERENCE_C_CODE if I don't use HAVE_ALTIVEC"
  92 #endif /* ALTIVEC_USE_REFERENCE_C_CODE */
  93 #endif /* HAVE_ALTIVEC */
  94
  95 #endif /* _DSPUTIL_ALTIVEC_ */