diff options
Diffstat (limited to 'src/3rdparty/libjpeg/src/jdct.h')
| -rw-r--r-- | src/3rdparty/libjpeg/src/jdct.h | 135 |
1 files changed, 74 insertions, 61 deletions
diff --git a/src/3rdparty/libjpeg/src/jdct.h b/src/3rdparty/libjpeg/src/jdct.h index 66d1718b77..0411a79bc0 100644 --- a/src/3rdparty/libjpeg/src/jdct.h +++ b/src/3rdparty/libjpeg/src/jdct.h @@ -4,7 +4,7 @@ * This file was part of the Independent JPEG Group's software: * Copyright (C) 1994-1996, Thomas G. Lane. * libjpeg-turbo Modifications: - * Copyright (C) 2015, D. R. Commander. + * Copyright (C) 2015, 2022, D. R. Commander. * For conditions of distribution and use, see the accompanying README.ijg * file. * @@ -15,13 +15,15 @@ * machine-dependent tuning (e.g., assembly coding). */ +#include "jsamplecomp.h" + /* * A forward DCT routine is given a pointer to a work area of type DCTELEM[]; * the DCT is to be performed in-place in that buffer. Type DCTELEM is int * for 8-bit samples, JLONG for 12-bit samples. (NOTE: Floating-point DCT * implementations use an array of type FAST_FLOAT, instead.) - * The DCT inputs are expected to be signed (range +-CENTERJSAMPLE). + * The DCT inputs are expected to be signed (range +-_CENTERJSAMPLE). * The DCT outputs are returned scaled up by a factor of 8; they therefore * have a range of +-8K for 8-bit data, +-128K for 12-bit data. This * convention improves accuracy in integer implementations and saves some @@ -76,78 +78,89 @@ typedef FAST_FLOAT FLOAT_MULT_TYPE; /* preferred floating type */ /* * Each IDCT routine is responsible for range-limiting its results and - * converting them to unsigned form (0..MAXJSAMPLE). The raw outputs could + * converting them to unsigned form (0.._MAXJSAMPLE). The raw outputs could * be quite far out of range if the input data is corrupt, so a bulletproof * range-limiting step is required. We use a mask-and-table-lookup method * to do the combined operations quickly. See the comments with * prepare_range_limit_table (in jdmaster.c) for more info. */ -#define IDCT_range_limit(cinfo) ((cinfo)->sample_range_limit + CENTERJSAMPLE) +#define IDCT_range_limit(cinfo) \ + ((_JSAMPLE *)((cinfo)->sample_range_limit) + _CENTERJSAMPLE) -#define RANGE_MASK (MAXJSAMPLE * 4 + 3) /* 2 bits wider than legal samples */ +#define RANGE_MASK (_MAXJSAMPLE * 4 + 3) /* 2 bits wider than legal samples */ /* Extern declarations for the forward and inverse DCT routines. */ -EXTERN(void) jpeg_fdct_islow(DCTELEM *data); -EXTERN(void) jpeg_fdct_ifast(DCTELEM *data); +EXTERN(void) _jpeg_fdct_islow(DCTELEM *data); +EXTERN(void) _jpeg_fdct_ifast(DCTELEM *data); EXTERN(void) jpeg_fdct_float(FAST_FLOAT *data); -EXTERN(void) jpeg_idct_islow(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_ifast(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_float(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_7x7(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_6x6(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_5x5(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_4x4(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_3x3(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_2x2(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_1x1(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_9x9(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_10x10(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_11x11(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_12x12(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_13x13(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_14x14(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_15x15(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); -EXTERN(void) jpeg_idct_16x16(j_decompress_ptr cinfo, - jpeg_component_info *compptr, JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_islow(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_ifast(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_float(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_7x7(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_6x6(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_5x5(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_4x4(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_3x3(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_2x2(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_1x1(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_9x9(j_decompress_ptr cinfo, + jpeg_component_info *compptr, JCOEFPTR coef_block, + _JSAMPARRAY output_buf, JDIMENSION output_col); +EXTERN(void) _jpeg_idct_10x10(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_11x11(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_12x12(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_13x13(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_14x14(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_15x15(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); +EXTERN(void) _jpeg_idct_16x16(j_decompress_ptr cinfo, + jpeg_component_info *compptr, + JCOEFPTR coef_block, _JSAMPARRAY output_buf, + JDIMENSION output_col); /* |