gecko-dev/media/libjpeg/jsimddct.h

75 строки
3.2 KiB
C

/*
* jsimddct.h
*
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
*
* Based on the x86 SIMD extension for IJG JPEG library,
* Copyright (C) 1999-2006, MIYASAKA Masaru.
* For conditions of distribution and use, see copyright notice in jsimdext.inc
*
*/
EXTERN(int) jsimd_can_convsamp (void);
EXTERN(int) jsimd_can_convsamp_float (void);
EXTERN(void) jsimd_convsamp (JSAMPARRAY sample_data, JDIMENSION start_col,
DCTELEM * workspace);
EXTERN(void) jsimd_convsamp_float (JSAMPARRAY sample_data,
JDIMENSION start_col,
FAST_FLOAT * workspace);
EXTERN(int) jsimd_can_fdct_islow (void);
EXTERN(int) jsimd_can_fdct_ifast (void);
EXTERN(int) jsimd_can_fdct_float (void);
EXTERN(void) jsimd_fdct_islow (DCTELEM * data);
EXTERN(void) jsimd_fdct_ifast (DCTELEM * data);
EXTERN(void) jsimd_fdct_float (FAST_FLOAT * data);
EXTERN(int) jsimd_can_quantize (void);
EXTERN(int) jsimd_can_quantize_float (void);
EXTERN(void) jsimd_quantize (JCOEFPTR coef_block, DCTELEM * divisors,
DCTELEM * workspace);
EXTERN(void) jsimd_quantize_float (JCOEFPTR coef_block, FAST_FLOAT * divisors,
FAST_FLOAT * workspace);
EXTERN(int) jsimd_can_idct_2x2 (void);
EXTERN(int) jsimd_can_idct_4x4 (void);
EXTERN(int) jsimd_can_idct_6x6 (void);
EXTERN(int) jsimd_can_idct_12x12 (void);
EXTERN(void) jsimd_idct_2x2 (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);
EXTERN(void) jsimd_idct_4x4 (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);
EXTERN(void) jsimd_idct_6x6 (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);
EXTERN(void) jsimd_idct_12x12 (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);
EXTERN(int) jsimd_can_idct_islow (void);
EXTERN(int) jsimd_can_idct_ifast (void);
EXTERN(int) jsimd_can_idct_float (void);
EXTERN(void) jsimd_idct_islow (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);
EXTERN(void) jsimd_idct_ifast (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);
EXTERN(void) jsimd_idct_float (j_decompress_ptr cinfo,
jpeg_component_info * compptr,
JCOEFPTR coef_block, JSAMPARRAY output_buf,
JDIMENSION output_col);