Files
mozjpeg/jsimd.h
DRC bd49803f92 Use consistent/modern code formatting for pointers
The convention used by libjpeg:

    type * variable;

is not very common anymore, because it looks too much like
multiplication.  Some (particularly C++ programmers) prefer to tuck the
pointer symbol against the type:

    type* variable;

to emphasize that a pointer to a type is effectively a new type.
However, this can also be confusing, since defining multiple variables
on the same line would not work properly:

    type* variable1, variable2;  /* Only variable1 is actually a
                                    pointer. */

This commit reformats the entirety of the libjpeg-turbo code base so
that it uses the same code formatting convention for pointers that the
TurboJPEG API code uses:

    type *variable1, *variable2;

This seems to be the most common convention among C programmers, and
it is the convention used by other codec libraries, such as libpng and
libtiff.
2016-02-19 09:10:07 -06:00

94 lines
3.6 KiB
C

/*
* jsimd.h
*
* Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
* Copyright 2011, 2014 D. R. Commander
* Copyright 2015 Matthieu Darbois
*
* 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
*
*/
#include "jchuff.h" /* Declarations shared with jcphuff.c */
EXTERN(int) jsimd_can_rgb_ycc (void);
EXTERN(int) jsimd_can_rgb_gray (void);
EXTERN(int) jsimd_can_ycc_rgb (void);
EXTERN(int) jsimd_can_ycc_rgb565 (void);
EXTERN(int) jsimd_c_can_null_convert (void);
EXTERN(void) jsimd_rgb_ycc_convert
(j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
JDIMENSION output_row, int num_rows);
EXTERN(void) jsimd_rgb_gray_convert
(j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
JDIMENSION output_row, int num_rows);
EXTERN(void) jsimd_ycc_rgb_convert
(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row,
JSAMPARRAY output_buf, int num_rows);
EXTERN(void) jsimd_ycc_rgb565_convert
(j_decompress_ptr cinfo, JSAMPIMAGE input_buf, JDIMENSION input_row,
JSAMPARRAY output_buf, int num_rows);
EXTERN(void) jsimd_c_null_convert
(j_compress_ptr cinfo, JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
JDIMENSION output_row, int num_rows);
EXTERN(int) jsimd_can_h2v2_downsample (void);
EXTERN(int) jsimd_can_h2v1_downsample (void);
EXTERN(void) jsimd_h2v2_downsample
(j_compress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data);
EXTERN(int) jsimd_can_h2v2_smooth_downsample (void);
EXTERN(void) jsimd_h2v2_smooth_downsample
(j_compress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data);
EXTERN(void) jsimd_h2v1_downsample
(j_compress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY output_data);
EXTERN(int) jsimd_can_h2v2_upsample (void);
EXTERN(int) jsimd_can_h2v1_upsample (void);
EXTERN(int) jsimd_can_int_upsample (void);
EXTERN(void) jsimd_h2v2_upsample
(j_decompress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr);
EXTERN(void) jsimd_h2v1_upsample
(j_decompress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr);
EXTERN(void) jsimd_int_upsample
(j_decompress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr);
EXTERN(int) jsimd_can_h2v2_fancy_upsample (void);
EXTERN(int) jsimd_can_h2v1_fancy_upsample (void);
EXTERN(void) jsimd_h2v2_fancy_upsample
(j_decompress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr);
EXTERN(void) jsimd_h2v1_fancy_upsample
(j_decompress_ptr cinfo, jpeg_component_info *compptr,
JSAMPARRAY input_data, JSAMPARRAY *output_data_ptr);
EXTERN(int) jsimd_can_h2v2_merged_upsample (void);
EXTERN(int) jsimd_can_h2v1_merged_upsample (void);
EXTERN(void) jsimd_h2v2_merged_upsample
(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf);
EXTERN(void) jsimd_h2v1_merged_upsample
(j_decompress_ptr cinfo, JSAMPIMAGE input_buf,
JDIMENSION in_row_group_ctr, JSAMPARRAY output_buf);
EXTERN(int) jsimd_can_huff_encode_one_block (void);
EXTERN(JOCTET*) jsimd_huff_encode_one_block
(void *state, JOCTET *buffer, JCOEFPTR block, int last_dc_val,
c_derived_tbl *dctbl, c_derived_tbl *actbl);