media/libjpeg/jsimddct.h

   1 /*
   2  * jsimddct.h
   3  *
   4  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
   5  *
   6  * Based on the x86 SIMD extension for IJG JPEG library,
   7  * Copyright (C) 1999-2006, MIYASAKA Masaru.
   8  * For conditions of distribution and use, see copyright notice in jsimdext.inc
   9  *
  10  */
  11
  12 EXTERN(int) jsimd_can_convsamp(void);
  13 EXTERN(int) jsimd_can_convsamp_float(void);
  14
  15 EXTERN(void) jsimd_convsamp(JSAMPARRAY sample_data, JDIMENSION start_col,
  16                             DCTELEM *workspace);
  17 EXTERN(void) jsimd_convsamp_float(JSAMPARRAY sample_data, JDIMENSION start_col,
  18                                   FAST_FLOAT *workspace);
  19
  20 EXTERN(int) jsimd_can_fdct_islow(void);
  21 EXTERN(int) jsimd_can_fdct_ifast(void);
  22 EXTERN(int) jsimd_can_fdct_float(void);
  23
  24 EXTERN(void) jsimd_fdct_islow(DCTELEM *data);
  25 EXTERN(void) jsimd_fdct_ifast(DCTELEM *data);
  26 EXTERN(void) jsimd_fdct_float(FAST_FLOAT *data);
  27
  28 EXTERN(int) jsimd_can_quantize(void);
  29 EXTERN(int) jsimd_can_quantize_float(void);
  30
  31 EXTERN(void) jsimd_quantize(JCOEFPTR coef_block, DCTELEM *divisors,
  32                             DCTELEM *workspace);
  33 EXTERN(void) jsimd_quantize_float(JCOEFPTR coef_block, FAST_FLOAT *divisors,
  34                                   FAST_FLOAT *workspace);
  35
  36 EXTERN(int) jsimd_can_idct_2x2(void);
  37 EXTERN(int) jsimd_can_idct_4x4(void);
  38 EXTERN(int) jsimd_can_idct_6x6(void);
  39 EXTERN(int) jsimd_can_idct_12x12(void);
  40
  41 EXTERN(void) jsimd_idct_2x2(j_decompress_ptr cinfo,
  42                             jpeg_component_info *compptr, JCOEFPTR coef_block,
  43                             JSAMPARRAY output_buf, JDIMENSION output_col);
  44 EXTERN(void) jsimd_idct_4x4(j_decompress_ptr cinfo,
  45                             jpeg_component_info *compptr, JCOEFPTR coef_block,
  46                             JSAMPARRAY output_buf, JDIMENSION output_col);
  47 EXTERN(void) jsimd_idct_6x6(j_decompress_ptr cinfo,
  48                             jpeg_component_info *compptr, JCOEFPTR coef_block,
  49                             JSAMPARRAY output_buf, JDIMENSION output_col);
  50 EXTERN(void) jsimd_idct_12x12(j_decompress_ptr cinfo,
  51                               jpeg_component_info *compptr,
  52                               JCOEFPTR coef_block, JSAMPARRAY output_buf,
  53                               JDIMENSION output_col);
  54
  55 EXTERN(int) jsimd_can_idct_islow(void);
  56 EXTERN(int) jsimd_can_idct_ifast(void);
  57 EXTERN(int) jsimd_can_idct_float(void);
  58
  59 EXTERN(void) jsimd_idct_islow(j_decompress_ptr cinfo,
  60                               jpeg_component_info *compptr,
  61                               JCOEFPTR coef_block, JSAMPARRAY output_buf,
  62                               JDIMENSION output_col);
  63 EXTERN(void) jsimd_idct_ifast(j_decompress_ptr cinfo,
  64                               jpeg_component_info *compptr,
  65                               JCOEFPTR coef_block, JSAMPARRAY output_buf,
  66                               JDIMENSION output_col);
  67 EXTERN(void) jsimd_idct_float(j_decompress_ptr cinfo,
  68                               jpeg_component_info *compptr,
  69                               JCOEFPTR coef_block, JSAMPARRAY output_buf,
  70                               JDIMENSION output_col);