michael@0: /*
michael@0:  * jsimddct.h
michael@0:  *
michael@0:  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
michael@0:  * 
michael@0:  * Based on the x86 SIMD extension for IJG JPEG library,
michael@0:  * Copyright (C) 1999-2006, MIYASAKA Masaru.
michael@0:  * For conditions of distribution and use, see copyright notice in jsimdext.inc
michael@0:  *
michael@0:  */
michael@0: 
michael@0: /* Short forms of external names for systems with brain-damaged linkers. */
michael@0: 
michael@0: #ifdef NEED_SHORT_EXTERNAL_NAMES
michael@0: #define jsimd_can_convsamp                jSCanConv
michael@0: #define jsimd_can_convsamp_float          jSCanConvF
michael@0: #define jsimd_convsamp                    jSConv
michael@0: #define jsimd_convsamp_float              jSConvF
michael@0: #define jsimd_can_fdct_islow              jSCanFDCTIS
michael@0: #define jsimd_can_fdct_ifast              jSCanFDCTIF
michael@0: #define jsimd_can_fdct_float              jSCanFDCTFl
michael@0: #define jsimd_fdct_islow                  jSFDCTIS
michael@0: #define jsimd_fdct_ifast                  jSFDCTIF
michael@0: #define jsimd_fdct_float                  jSFDCTFl
michael@0: #define jsimd_can_quantize                jSCanQuant
michael@0: #define jsimd_can_quantize_float          jSCanQuantF
michael@0: #define jsimd_quantize                    jSQuant
michael@0: #define jsimd_quantize_float              jSQuantF
michael@0: #define jsimd_can_idct_2x2                jSCanIDCT22
michael@0: #define jsimd_can_idct_4x4                jSCanIDCT44
michael@0: #define jsimd_idct_2x2                    jSIDCT22
michael@0: #define jsimd_idct_4x4                    jSIDCT44
michael@0: #define jsimd_can_idct_islow              jSCanIDCTIS
michael@0: #define jsimd_can_idct_ifast              jSCanIDCTIF
michael@0: #define jsimd_can_idct_float              jSCanIDCTFl
michael@0: #define jsimd_idct_islow                  jSIDCTIS
michael@0: #define jsimd_idct_ifast                  jSIDCTIF
michael@0: #define jsimd_idct_float                  jSIDCTFl
michael@0: #endif /* NEED_SHORT_EXTERNAL_NAMES */
michael@0: 
michael@0: EXTERN(int) jsimd_can_convsamp JPP((void));
michael@0: EXTERN(int) jsimd_can_convsamp_float JPP((void));
michael@0: 
michael@0: EXTERN(void) jsimd_convsamp JPP((JSAMPARRAY sample_data,
michael@0:                                  JDIMENSION start_col,
michael@0:                                  DCTELEM * workspace));
michael@0: EXTERN(void) jsimd_convsamp_float JPP((JSAMPARRAY sample_data,
michael@0:                                        JDIMENSION start_col,
michael@0:                                        FAST_FLOAT * workspace));
michael@0: 
michael@0: EXTERN(int) jsimd_can_fdct_islow JPP((void));
michael@0: EXTERN(int) jsimd_can_fdct_ifast JPP((void));
michael@0: EXTERN(int) jsimd_can_fdct_float JPP((void));
michael@0: 
michael@0: EXTERN(void) jsimd_fdct_islow JPP((DCTELEM * data));
michael@0: EXTERN(void) jsimd_fdct_ifast JPP((DCTELEM * data));
michael@0: EXTERN(void) jsimd_fdct_float JPP((FAST_FLOAT * data));
michael@0: 
michael@0: EXTERN(int) jsimd_can_quantize JPP((void));
michael@0: EXTERN(int) jsimd_can_quantize_float JPP((void));
michael@0: 
michael@0: EXTERN(void) jsimd_quantize JPP((JCOEFPTR coef_block,
michael@0:                                  DCTELEM * divisors,
michael@0:                                  DCTELEM * workspace));
michael@0: EXTERN(void) jsimd_quantize_float JPP((JCOEFPTR coef_block,
michael@0:                                        FAST_FLOAT * divisors,
michael@0:                                        FAST_FLOAT * workspace));
michael@0: 
michael@0: EXTERN(int) jsimd_can_idct_2x2 JPP((void));
michael@0: EXTERN(int) jsimd_can_idct_4x4 JPP((void));
michael@0: 
michael@0: EXTERN(void) jsimd_idct_2x2 JPP((j_decompress_ptr cinfo,
michael@0:                                  jpeg_component_info * compptr,
michael@0:                                  JCOEFPTR coef_block,
michael@0:                                  JSAMPARRAY output_buf,
michael@0:                                  JDIMENSION output_col));
michael@0: EXTERN(void) jsimd_idct_4x4 JPP((j_decompress_ptr cinfo,
michael@0:                                  jpeg_component_info * compptr,
michael@0:                                  JCOEFPTR coef_block,
michael@0:                                  JSAMPARRAY output_buf,
michael@0:                                  JDIMENSION output_col));
michael@0: 
michael@0: EXTERN(int) jsimd_can_idct_islow JPP((void));
michael@0: EXTERN(int) jsimd_can_idct_ifast JPP((void));
michael@0: EXTERN(int) jsimd_can_idct_float JPP((void));
michael@0: 
michael@0: EXTERN(void) jsimd_idct_islow JPP((j_decompress_ptr cinfo,
michael@0:                                    jpeg_component_info * compptr,
michael@0:                                    JCOEFPTR coef_block,
michael@0:                                    JSAMPARRAY output_buf,
michael@0:                                    JDIMENSION output_col));
michael@0: EXTERN(void) jsimd_idct_ifast JPP((j_decompress_ptr cinfo,
michael@0:                                    jpeg_component_info * compptr,
michael@0:                                    JCOEFPTR coef_block,
michael@0:                                    JSAMPARRAY output_buf,
michael@0:                                    JDIMENSION output_col));
michael@0: EXTERN(void) jsimd_idct_float JPP((j_decompress_ptr cinfo,
michael@0:                                    jpeg_component_info * compptr,
michael@0:                                    JCOEFPTR coef_block,
michael@0:                                    JSAMPARRAY output_buf,
michael@0:                                    JDIMENSION output_col));
michael@0: