diff options
author | Tom Hudson <tomhudson@google.com> | 2016-05-04 13:22:56 -0400 |
---|---|---|
committer | Tom Hudson <tomhudson@google.com> | 2016-05-04 13:22:56 -0400 |
commit | 0d47d2d3a728e78676a15b1d818cc668cb7e5a9c (patch) | |
tree | 044a430eeaa2dec4d6de7b624da15fda1b8ed25f /jidctint.c | |
parent | 9d35298a6223278a66423f828a949d93d94d5911 (diff) |
Update to libjpeg_turbo 1.4.90
(Duplicate of https://codereview.chromium.org/1939823002/ for landing.)
TBR=noel@chromium.org,thakis@chromium.org
BUG=608347, 398235, 591927
Review URL: https://codereview.chromium.org/1953443002 .
Diffstat (limited to 'jidctint.c')
-rw-r--r-- | jidctint.c | 1238 |
1 files changed, 621 insertions, 617 deletions
@@ -1,10 +1,13 @@ /* * jidctint.c * + * This file was part of the Independent JPEG Group's software. * Copyright (C) 1991-1998, Thomas G. Lane. * Modification developed 2002-2009 by Guido Vollbeding. - * This file is part of the Independent JPEG Group's software. - * For conditions of distribution and use, see the accompanying README file. + * libjpeg-turbo Modifications: + * Copyright (C) 2015, D. R. Commander + * For conditions of distribution and use, see the accompanying README.ijg + * file. * * This file contains a slow-but-accurate integer implementation of the * inverse DCT (Discrete Cosine Transform). In the IJG code, this routine @@ -50,7 +53,7 @@ #define JPEG_INTERNALS #include "jinclude.h" #include "jpeglib.h" -#include "jdct.h" /* Private declarations for DCT subsystem */ +#include "jdct.h" /* Private declarations for DCT subsystem */ #ifdef DCT_ISLOW_SUPPORTED @@ -89,7 +92,7 @@ * they are represented to better-than-integral precision. These outputs * require BITS_IN_JSAMPLE + PASS1_BITS + 3 bits; this fits in a 16-bit word * with the recommended scaling. (To scale up 12-bit sample data further, an - * intermediate INT32 array would be needed.) + * intermediate JLONG array would be needed.) * * To avoid overflow of the 32-bit intermediate results in pass 2, we must * have BITS_IN_JSAMPLE + CONST_BITS + PASS1_BITS <= 26. Error analysis @@ -101,7 +104,7 @@ #define PASS1_BITS 2 #else #define CONST_BITS 13 -#define PASS1_BITS 1 /* lose a little precision to avoid overflow */ +#define PASS1_BITS 1 /* lose a little precision to avoid overflow */ #endif /* Some C compilers fail to reduce "FIX(constant)" at compile time, thus @@ -112,18 +115,18 @@ */ #if CONST_BITS == 13 -#define FIX_0_298631336 ((INT32) 2446) /* FIX(0.298631336) */ -#define FIX_0_390180644 ((INT32) 3196) /* FIX(0.390180644) */ -#define FIX_0_541196100 ((INT32) 4433) /* FIX(0.541196100) */ -#define FIX_0_765366865 ((INT32) 6270) /* FIX(0.765366865) */ -#define FIX_0_899976223 ((INT32) 7373) /* FIX(0.899976223) */ -#define FIX_1_175875602 ((INT32) 9633) /* FIX(1.175875602) */ -#define FIX_1_501321110 ((INT32) 12299) /* FIX(1.501321110) */ -#define FIX_1_847759065 ((INT32) 15137) /* FIX(1.847759065) */ -#define FIX_1_961570560 ((INT32) 16069) /* FIX(1.961570560) */ -#define FIX_2_053119869 ((INT32) 16819) /* FIX(2.053119869) */ -#define FIX_2_562915447 ((INT32) 20995) /* FIX(2.562915447) */ -#define FIX_3_072711026 ((INT32) 25172) /* FIX(3.072711026) */ +#define FIX_0_298631336 ((JLONG) 2446) /* FIX(0.298631336) */ +#define FIX_0_390180644 ((JLONG) 3196) /* FIX(0.390180644) */ +#define FIX_0_541196100 ((JLONG) 4433) /* FIX(0.541196100) */ +#define FIX_0_765366865 ((JLONG) 6270) /* FIX(0.765366865) */ +#define FIX_0_899976223 ((JLONG) 7373) /* FIX(0.899976223) */ +#define FIX_1_175875602 ((JLONG) 9633) /* FIX(1.175875602) */ +#define FIX_1_501321110 ((JLONG) 12299) /* FIX(1.501321110) */ +#define FIX_1_847759065 ((JLONG) 15137) /* FIX(1.847759065) */ +#define FIX_1_961570560 ((JLONG) 16069) /* FIX(1.961570560) */ +#define FIX_2_053119869 ((JLONG) 16819) /* FIX(2.053119869) */ +#define FIX_2_562915447 ((JLONG) 20995) /* FIX(2.562915447) */ +#define FIX_3_072711026 ((JLONG) 25172) /* FIX(3.072711026) */ #else #define FIX_0_298631336 FIX(0.298631336) #define FIX_0_390180644 FIX(0.390180644) @@ -140,7 +143,7 @@ #endif -/* Multiply an INT32 variable by an INT32 constant to yield an INT32 result. +/* Multiply an JLONG variable by an JLONG constant to yield an JLONG result. * For 8-bit samples with the recommended scaling, all the variable * and constant values involved are no more than 16 bits wide, so a * 16x16->32 bit multiply can be used instead of a full 32x32 multiply. @@ -167,20 +170,20 @@ */ GLOBAL(void) -jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp1, tmp2, tmp3; - INT32 tmp10, tmp11, tmp12, tmp13; - INT32 z1, z2, z3, z4, z5; + JLONG tmp0, tmp1, tmp2, tmp3; + JLONG tmp10, tmp11, tmp12, tmp13; + JLONG z1, z2, z3, z4, z5; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[DCTSIZE2]; /* buffers data between passes */ + int workspace[DCTSIZE2]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -199,14 +202,15 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, * With typical images and quantization tables, half or more of the * column DCT calculations can be simplified this way. */ - + if (inptr[DCTSIZE*1] == 0 && inptr[DCTSIZE*2] == 0 && - inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*4] == 0 && - inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*6] == 0 && - inptr[DCTSIZE*7] == 0) { + inptr[DCTSIZE*3] == 0 && inptr[DCTSIZE*4] == 0 && + inptr[DCTSIZE*5] == 0 && inptr[DCTSIZE*6] == 0 && + inptr[DCTSIZE*7] == 0) { /* AC terms all zero */ - int dcval = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]) << PASS1_BITS; - + int dcval = LEFT_SHIFT(DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]), + PASS1_BITS); + wsptr[DCTSIZE*0] = dcval; wsptr[DCTSIZE*1] = dcval; wsptr[DCTSIZE*2] = dcval; @@ -215,49 +219,49 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, wsptr[DCTSIZE*5] = dcval; wsptr[DCTSIZE*6] = dcval; wsptr[DCTSIZE*7] = dcval; - - inptr++; /* advance pointers to next column */ + + inptr++; /* advance pointers to next column */ quantptr++; wsptr++; continue; } - + /* Even part: reverse the even part of the forward DCT. */ /* The rotator is sqrt(2)*c(-6). */ - + z2 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); z3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); - + z1 = MULTIPLY(z2 + z3, FIX_0_541196100); tmp2 = z1 + MULTIPLY(z3, - FIX_1_847759065); tmp3 = z1 + MULTIPLY(z2, FIX_0_765366865); - + z2 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); z3 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); - tmp0 = (z2 + z3) << CONST_BITS; - tmp1 = (z2 - z3) << CONST_BITS; - + tmp0 = LEFT_SHIFT(z2 + z3, CONST_BITS); + tmp1 = LEFT_SHIFT(z2 - z3, CONST_BITS); + tmp10 = tmp0 + tmp3; tmp13 = tmp0 - tmp3; tmp11 = tmp1 + tmp2; tmp12 = tmp1 - tmp2; - + /* Odd part per figure 8; the matrix is unitary and hence its * transpose is its inverse. i0..i3 are y7,y5,y3,y1 respectively. */ - + tmp0 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); tmp1 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); tmp2 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); tmp3 = DEQUANTIZE(inptr[DCTSIZE*1], quantptr[DCTSIZE*1]); - + z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; z3 = tmp0 + tmp2; z4 = tmp1 + tmp3; z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */ - + tmp0 = MULTIPLY(tmp0, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */ tmp1 = MULTIPLY(tmp1, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */ tmp2 = MULTIPLY(tmp2, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */ @@ -266,17 +270,17 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */ z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */ z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */ - + z3 += z5; z4 += z5; - + tmp0 += z1 + z3; tmp1 += z2 + z4; tmp2 += z2 + z3; tmp3 += z1 + z4; - + /* Final output stage: inputs are tmp10..tmp13, tmp0..tmp3 */ - + wsptr[DCTSIZE*0] = (int) DESCALE(tmp10 + tmp3, CONST_BITS-PASS1_BITS); wsptr[DCTSIZE*7] = (int) DESCALE(tmp10 - tmp3, CONST_BITS-PASS1_BITS); wsptr[DCTSIZE*1] = (int) DESCALE(tmp11 + tmp2, CONST_BITS-PASS1_BITS); @@ -285,12 +289,12 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, wsptr[DCTSIZE*5] = (int) DESCALE(tmp12 - tmp1, CONST_BITS-PASS1_BITS); wsptr[DCTSIZE*3] = (int) DESCALE(tmp13 + tmp0, CONST_BITS-PASS1_BITS); wsptr[DCTSIZE*4] = (int) DESCALE(tmp13 - tmp0, CONST_BITS-PASS1_BITS); - - inptr++; /* advance pointers to next column */ + + inptr++; /* advance pointers to next column */ quantptr++; wsptr++; } - + /* Pass 2: process rows from work array, store into output array. */ /* Note that we must descale the results by a factor of 8 == 2**3, */ /* and also undo the PASS1_BITS scaling. */ @@ -305,14 +309,14 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, * test takes more time than it's worth. In that case this section * may be commented out. */ - + #ifndef NO_ZERO_ROW_TEST if (wsptr[1] == 0 && wsptr[2] == 0 && wsptr[3] == 0 && wsptr[4] == 0 && - wsptr[5] == 0 && wsptr[6] == 0 && wsptr[7] == 0) { + wsptr[5] == 0 && wsptr[6] == 0 && wsptr[7] == 0) { /* AC terms all zero */ - JSAMPLE dcval = range_limit[(int) DESCALE((INT32) wsptr[0], PASS1_BITS+3) - & RANGE_MASK]; - + JSAMPLE dcval = range_limit[(int) DESCALE((JLONG) wsptr[0], PASS1_BITS+3) + & RANGE_MASK]; + outptr[0] = dcval; outptr[1] = dcval; outptr[2] = dcval; @@ -322,44 +326,44 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, outptr[6] = dcval; outptr[7] = dcval; - wsptr += DCTSIZE; /* advance pointer to next row */ + wsptr += DCTSIZE; /* advance pointer to next row */ continue; } #endif - + /* Even part: reverse the even part of the forward DCT. */ /* The rotator is sqrt(2)*c(-6). */ - - z2 = (INT32) wsptr[2]; - z3 = (INT32) wsptr[6]; - + + z2 = (JLONG) wsptr[2]; + z3 = (JLONG) wsptr[6]; + z1 = MULTIPLY(z2 + z3, FIX_0_541196100); tmp2 = z1 + MULTIPLY(z3, - FIX_1_847759065); tmp3 = z1 + MULTIPLY(z2, FIX_0_765366865); - - tmp0 = ((INT32) wsptr[0] + (INT32) wsptr[4]) << CONST_BITS; - tmp1 = ((INT32) wsptr[0] - (INT32) wsptr[4]) << CONST_BITS; - + + tmp0 = LEFT_SHIFT((JLONG) wsptr[0] + (JLONG) wsptr[4], CONST_BITS); + tmp1 = LEFT_SHIFT((JLONG) wsptr[0] - (JLONG) wsptr[4], CONST_BITS); + tmp10 = tmp0 + tmp3; tmp13 = tmp0 - tmp3; tmp11 = tmp1 + tmp2; tmp12 = tmp1 - tmp2; - + /* Odd part per figure 8; the matrix is unitary and hence its * transpose is its inverse. i0..i3 are y7,y5,y3,y1 respectively. */ - - tmp0 = (INT32) wsptr[7]; - tmp1 = (INT32) wsptr[5]; - tmp2 = (INT32) wsptr[3]; - tmp3 = (INT32) wsptr[1]; - + + tmp0 = (JLONG) wsptr[7]; + tmp1 = (JLONG) wsptr[5]; + tmp2 = (JLONG) wsptr[3]; + tmp3 = (JLONG) wsptr[1]; + z1 = tmp0 + tmp3; z2 = tmp1 + tmp2; z3 = tmp0 + tmp2; z4 = tmp1 + tmp3; z5 = MULTIPLY(z3 + z4, FIX_1_175875602); /* sqrt(2) * c3 */ - + tmp0 = MULTIPLY(tmp0, FIX_0_298631336); /* sqrt(2) * (-c1+c3+c5-c7) */ tmp1 = MULTIPLY(tmp1, FIX_2_053119869); /* sqrt(2) * ( c1+c3-c5+c7) */ tmp2 = MULTIPLY(tmp2, FIX_3_072711026); /* sqrt(2) * ( c1+c3+c5-c7) */ @@ -368,43 +372,43 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, z2 = MULTIPLY(z2, - FIX_2_562915447); /* sqrt(2) * (-c1-c3) */ z3 = MULTIPLY(z3, - FIX_1_961570560); /* sqrt(2) * (-c3-c5) */ z4 = MULTIPLY(z4, - FIX_0_390180644); /* sqrt(2) * (c5-c3) */ - + z3 += z5; z4 += z5; - + tmp0 += z1 + z3; tmp1 += z2 + z4; tmp2 += z2 + z3; tmp3 += z1 + z4; - + /* Final output stage: inputs are tmp10..tmp13, tmp0..tmp3 */ - + outptr[0] = range_limit[(int) DESCALE(tmp10 + tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) DESCALE(tmp10 - tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) DESCALE(tmp11 + tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) DESCALE(tmp11 - tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) DESCALE(tmp12 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) DESCALE(tmp12 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) DESCALE(tmp13 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) DESCALE(tmp13 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; - - wsptr += DCTSIZE; /* advance pointer to next row */ + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; + + wsptr += DCTSIZE; /* advance pointer to next row */ } } @@ -420,19 +424,19 @@ jpeg_idct_islow (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp1, tmp2, tmp10, tmp11, tmp12, tmp13; - INT32 z1, z2, z3; + JLONG tmp0, tmp1, tmp2, tmp10, tmp11, tmp12, tmp13; + JLONG z1, z2, z3; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[7*7]; /* buffers data between passes */ + int workspace[7*7]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -444,7 +448,7 @@ jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp13 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp13 <<= CONST_BITS; + tmp13 = LEFT_SHIFT(tmp13, CONST_BITS); /* Add fudge factor here for final descale. */ tmp13 += ONE << (CONST_BITS-PASS1_BITS-1); @@ -498,12 +502,12 @@ jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp13 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp13 <<= CONST_BITS; + tmp13 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp13 = LEFT_SHIFT(tmp13, CONST_BITS); - z1 = (INT32) wsptr[2]; - z2 = (INT32) wsptr[4]; - z3 = (INT32) wsptr[6]; + z1 = (JLONG) wsptr[2]; + z2 = (JLONG) wsptr[4]; + z3 = (JLONG) wsptr[6]; tmp10 = MULTIPLY(z2 - z3, FIX(0.881747734)); /* c4 */ tmp12 = MULTIPLY(z1 - z2, FIX(0.314692123)); /* c6 */ @@ -517,9 +521,9 @@ jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; tmp1 = MULTIPLY(z1 + z2, FIX(0.935414347)); /* (c3+c1-c5)/2 */ tmp2 = MULTIPLY(z1 - z2, FIX(0.170262339)); /* (c3+c5-c1)/2 */ @@ -534,28 +538,28 @@ jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp10 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp10 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp11 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp11 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp12 + tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp12 - tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 7; /* advance pointer to next row */ + wsptr += 7; /* advance pointer to next row */ } } @@ -569,19 +573,19 @@ jpeg_idct_7x7 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_6x6 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_6x6 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp1, tmp2, tmp10, tmp11, tmp12; - INT32 z1, z2, z3; + JLONG tmp0, tmp1, tmp2, tmp10, tmp11, tmp12; + JLONG z1, z2, z3; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[6*6]; /* buffers data between passes */ + int workspace[6*6]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -593,7 +597,7 @@ jpeg_idct_6x6 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp0 <<= CONST_BITS; + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); /* Add fudge factor here for final descale. */ tmp0 += ONE << (CONST_BITS-PASS1_BITS-1); tmp2 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); @@ -611,9 +615,9 @@ jpeg_idct_6x6 (j_decompress_ptr cinfo, jpeg_component_info * compptr, z2 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); z3 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); tmp1 = MULTIPLY(z1 + z3, FIX(0.366025404)); /* c5 */ - tmp0 = tmp1 + ((z1 + z2) << CONST_BITS); - tmp2 = tmp1 + ((z3 - z2) << CONST_BITS); - tmp1 = (z1 - z2 - z3) << PASS1_BITS; + tmp0 = tmp1 + LEFT_SHIFT(z1 + z2, CONST_BITS); + tmp2 = tmp1 + LEFT_SHIFT(z3 - z2, CONST_BITS); + tmp1 = LEFT_SHIFT(z1 - z2 - z3, PASS1_BITS); /* Final output stage */ @@ -634,49 +638,49 @@ jpeg_idct_6x6 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp0 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp0 <<= CONST_BITS; - tmp2 = (INT32) wsptr[4]; + tmp0 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); + tmp2 = (JLONG) wsptr[4]; tmp10 = MULTIPLY(tmp2, FIX(0.707106781)); /* c4 */ tmp1 = tmp0 + tmp10; tmp11 = tmp0 - tmp10 - tmp10; - tmp10 = (INT32) wsptr[2]; + tmp10 = (JLONG) wsptr[2]; tmp0 = MULTIPLY(tmp10, FIX(1.224744871)); /* c2 */ tmp10 = tmp1 + tmp0; tmp12 = tmp1 - tmp0; /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; tmp1 = MULTIPLY(z1 + z3, FIX(0.366025404)); /* c5 */ - tmp0 = tmp1 + ((z1 + z2) << CONST_BITS); - tmp2 = tmp1 + ((z3 - z2) << CONST_BITS); - tmp1 = (z1 - z2 - z3) << CONST_BITS; + tmp0 = tmp1 + LEFT_SHIFT(z1 + z2, CONST_BITS); + tmp2 = tmp1 + LEFT_SHIFT(z3 - z2, CONST_BITS); + tmp1 = LEFT_SHIFT(z1 - z2 - z3, CONST_BITS); /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp10 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp10 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp11 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp11 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp12 + tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp12 - tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 6; /* advance pointer to next row */ + wsptr += 6; /* advance pointer to next row */ } } @@ -690,19 +694,19 @@ jpeg_idct_6x6 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp1, tmp10, tmp11, tmp12; - INT32 z1, z2, z3; + JLONG tmp0, tmp1, tmp10, tmp11, tmp12; + JLONG z1, z2, z3; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[5*5]; /* buffers data between passes */ + int workspace[5*5]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -714,7 +718,7 @@ jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp12 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp12 <<= CONST_BITS; + tmp12 = LEFT_SHIFT(tmp12, CONST_BITS); /* Add fudge factor here for final descale. */ tmp12 += ONE << (CONST_BITS-PASS1_BITS-1); tmp0 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); @@ -724,7 +728,7 @@ jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info * compptr, z3 = tmp12 + z2; tmp10 = z3 + z1; tmp11 = z3 - z1; - tmp12 -= z2 << 2; + tmp12 -= LEFT_SHIFT(z2, 2); /* Odd part */ @@ -753,21 +757,21 @@ jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp12 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp12 <<= CONST_BITS; - tmp0 = (INT32) wsptr[2]; - tmp1 = (INT32) wsptr[4]; + tmp12 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp12 = LEFT_SHIFT(tmp12, CONST_BITS); + tmp0 = (JLONG) wsptr[2]; + tmp1 = (JLONG) wsptr[4]; z1 = MULTIPLY(tmp0 + tmp1, FIX(0.790569415)); /* (c2+c4)/2 */ z2 = MULTIPLY(tmp0 - tmp1, FIX(0.353553391)); /* (c2-c4)/2 */ z3 = tmp12 + z2; tmp10 = z3 + z1; tmp11 = z3 - z1; - tmp12 -= z2 << 2; + tmp12 -= LEFT_SHIFT(z2, 2); /* Odd part */ - z2 = (INT32) wsptr[1]; - z3 = (INT32) wsptr[3]; + z2 = (JLONG) wsptr[1]; + z3 = (JLONG) wsptr[3]; z1 = MULTIPLY(z2 + z3, FIX(0.831253876)); /* c3 */ tmp0 = z1 + MULTIPLY(z2, FIX(0.513743148)); /* c1-c3 */ @@ -776,22 +780,22 @@ jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp10 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp10 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp11 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp11 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 5; /* advance pointer to next row */ + wsptr += 5; /* advance pointer to next row */ } } @@ -805,18 +809,18 @@ jpeg_idct_5x5 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_3x3 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_3x3 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp2, tmp10, tmp12; + JLONG tmp0, tmp2, tmp10, tmp12; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[3*3]; /* buffers data between passes */ + int workspace[3*3]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -828,7 +832,7 @@ jpeg_idct_3x3 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp0 <<= CONST_BITS; + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); /* Add fudge factor here for final descale. */ tmp0 += ONE << (CONST_BITS-PASS1_BITS-1); tmp2 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); @@ -857,31 +861,31 @@ jpeg_idct_3x3 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp0 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp0 <<= CONST_BITS; - tmp2 = (INT32) wsptr[2]; + tmp0 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); + tmp2 = (JLONG) wsptr[2]; tmp12 = MULTIPLY(tmp2, FIX(0.707106781)); /* c2 */ tmp10 = tmp0 + tmp12; tmp2 = tmp0 - tmp12 - tmp12; /* Odd part */ - tmp12 = (INT32) wsptr[1]; + tmp12 = (JLONG) wsptr[1]; tmp0 = MULTIPLY(tmp12, FIX(1.224744871)); /* c1 */ /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp10 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp10 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 3; /* advance pointer to next row */ + wsptr += 3; /* advance pointer to next row */ } } @@ -895,19 +899,19 @@ jpeg_idct_3x3 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp1, tmp2, tmp3, tmp10, tmp11, tmp12, tmp13, tmp14; - INT32 z1, z2, z3, z4; + JLONG tmp0, tmp1, tmp2, tmp3, tmp10, tmp11, tmp12, tmp13, tmp14; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*9]; /* buffers data between passes */ + int workspace[8*9]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -919,7 +923,7 @@ jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp0 <<= CONST_BITS; + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); /* Add fudge factor here for final descale. */ tmp0 += ONE << (CONST_BITS-PASS1_BITS-1); @@ -982,12 +986,12 @@ jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp0 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp0 <<= CONST_BITS; + tmp0 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); - z1 = (INT32) wsptr[2]; - z2 = (INT32) wsptr[4]; - z3 = (INT32) wsptr[6]; + z1 = (JLONG) wsptr[2]; + z2 = (JLONG) wsptr[4]; + z3 = (JLONG) wsptr[6]; tmp3 = MULTIPLY(z3, FIX(0.707106781)); /* c6 */ tmp1 = tmp0 + tmp3; @@ -1007,10 +1011,10 @@ jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z4 = (INT32) wsptr[7]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z4 = (JLONG) wsptr[7]; z2 = MULTIPLY(z2, - FIX(1.224744871)); /* -c3 */ @@ -1025,34 +1029,34 @@ jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp10 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp10 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp11 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp11 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp12 + tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp12 - tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp13 + tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp13 - tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -1066,20 +1070,20 @@ jpeg_idct_9x9 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp10, tmp11, tmp12, tmp13, tmp14; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24; - INT32 z1, z2, z3, z4, z5; + JLONG tmp10, tmp11, tmp12, tmp13, tmp14; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24; + JLONG z1, z2, z3, z4, z5; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*10]; /* buffers data between passes */ + int workspace[8*10]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -1091,7 +1095,7 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ z3 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - z3 <<= CONST_BITS; + z3 = LEFT_SHIFT(z3, CONST_BITS); /* Add fudge factor here for final descale. */ z3 += ONE << (CONST_BITS-PASS1_BITS-1); z4 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); @@ -1100,8 +1104,8 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp10 = z3 + z1; tmp11 = z3 - z2; - tmp22 = RIGHT_SHIFT(z3 - ((z1 - z2) << 1), /* c0 = (c4-c8)*2 */ - CONST_BITS-PASS1_BITS); + tmp22 = RIGHT_SHIFT(z3 - LEFT_SHIFT(z1 - z2, 1), + CONST_BITS-PASS1_BITS); /* c0 = (c4-c8)*2 */ z2 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); z3 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); @@ -1126,7 +1130,7 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp13 = z2 - z4; tmp12 = MULTIPLY(tmp13, FIX(0.309016994)); /* (c3-c7)/2 */ - z5 = z3 << CONST_BITS; + z5 = LEFT_SHIFT(z3, CONST_BITS); z2 = MULTIPLY(tmp11, FIX(0.951056516)); /* (c3+c7)/2 */ z4 = z5 + tmp12; @@ -1135,9 +1139,9 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp14 = MULTIPLY(z1, FIX(0.221231742)) - z2 + z4; /* c9 */ z2 = MULTIPLY(tmp11, FIX(0.587785252)); /* (c1-c9)/2 */ - z4 = z5 - tmp12 - (tmp13 << (CONST_BITS - 1)); + z4 = z5 - tmp12 - LEFT_SHIFT(tmp13, CONST_BITS - 1); - tmp12 = (z1 - tmp13 - z3) << PASS1_BITS; + tmp12 = LEFT_SHIFT(z1 - tmp13 - z3, PASS1_BITS); tmp11 = MULTIPLY(z1, FIX(1.260073511)) - z2 - z4; /* c3 */ tmp13 = MULTIPLY(z1, FIX(0.642039522)) - z2 + z4; /* c7 */ @@ -1165,18 +1169,18 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - z3 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - z3 <<= CONST_BITS; - z4 = (INT32) wsptr[4]; + z3 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + z3 = LEFT_SHIFT(z3, CONST_BITS); + z4 = (JLONG) wsptr[4]; z1 = MULTIPLY(z4, FIX(1.144122806)); /* c4 */ z2 = MULTIPLY(z4, FIX(0.437016024)); /* c8 */ tmp10 = z3 + z1; tmp11 = z3 - z2; - tmp22 = z3 - ((z1 - z2) << 1); /* c0 = (c4-c8)*2 */ + tmp22 = z3 - LEFT_SHIFT(z1 - z2, 1); /* c0 = (c4-c8)*2 */ - z2 = (INT32) wsptr[2]; - z3 = (INT32) wsptr[6]; + z2 = (JLONG) wsptr[2]; + z3 = (JLONG) wsptr[6]; z1 = MULTIPLY(z2 + z3, FIX(0.831253876)); /* c6 */ tmp12 = z1 + MULTIPLY(z2, FIX(0.513743148)); /* c2-c6 */ @@ -1189,11 +1193,11 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z3 <<= CONST_BITS; - z4 = (INT32) wsptr[7]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z3 = LEFT_SHIFT(z3, CONST_BITS); + z4 = (JLONG) wsptr[7]; tmp11 = z2 + z4; tmp13 = z2 - z4; @@ -1207,9 +1211,9 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp14 = MULTIPLY(z1, FIX(0.221231742)) - z2 + z4; /* c9 */ z2 = MULTIPLY(tmp11, FIX(0.587785252)); /* (c1-c9)/2 */ - z4 = z3 - tmp12 - (tmp13 << (CONST_BITS - 1)); + z4 = z3 - tmp12 - LEFT_SHIFT(tmp13, CONST_BITS - 1); - tmp12 = ((z1 - tmp13) << CONST_BITS) - z3; + tmp12 = LEFT_SHIFT(z1 - tmp13, CONST_BITS) - z3; tmp11 = MULTIPLY(z1, FIX(1.260073511)) - z2 - z4; /* c3 */ tmp13 = MULTIPLY(z1, FIX(0.642039522)) - z2 + z4; /* c7 */ @@ -1217,37 +1221,37 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -1261,20 +1265,20 @@ jpeg_idct_10x10 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp10, tmp11, tmp12, tmp13, tmp14; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24, tmp25; - INT32 z1, z2, z3, z4; + JLONG tmp10, tmp11, tmp12, tmp13, tmp14; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24, tmp25; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*11]; /* buffers data between passes */ + int workspace[8*11]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -1286,7 +1290,7 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp10 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp10 <<= CONST_BITS; + tmp10 = LEFT_SHIFT(tmp10, CONST_BITS); /* Add fudge factor here for final descale. */ tmp10 += ONE << (CONST_BITS-PASS1_BITS-1); @@ -1301,13 +1305,13 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, z4 -= z2; tmp25 = tmp10 + MULTIPLY(z4, FIX(1.356927976)); /* c2 */ tmp21 = tmp20 + tmp23 + tmp25 - - MULTIPLY(z2, FIX(1.821790775)); /* c2+c4+c10-c6 */ + MULTIPLY(z2, FIX(1.821790775)); /* c2+c4+c10-c6 */ tmp20 += tmp25 + MULTIPLY(z3, FIX(2.115825087)); /* c4+c6 */ tmp23 += tmp25 - MULTIPLY(z1, FIX(1.513598477)); /* c6+c8 */ tmp24 += tmp25; tmp22 = tmp24 - MULTIPLY(z3, FIX(0.788749120)); /* c8+c10 */ tmp24 += MULTIPLY(z2, FIX(1.944413522)) - /* c2+c8 */ - MULTIPLY(z1, FIX(1.390975730)); /* c4+c10 */ + MULTIPLY(z1, FIX(1.390975730)); /* c4+c10 */ tmp25 = tmp10 - MULTIPLY(z4, FIX(1.414213562)); /* c0 */ /* Odd part */ @@ -1323,7 +1327,7 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp12 = MULTIPLY(z1 + z3, FIX(0.670361295)); /* c5-c9 */ tmp13 = tmp14 + MULTIPLY(z1 + z4, FIX(0.366151574)); /* c7-c9 */ tmp10 = tmp11 + tmp12 + tmp13 - - MULTIPLY(z1, FIX(0.923107866)); /* c7+c5+c3-c1-2*c9 */ + MULTIPLY(z1, FIX(0.923107866)); /* c7+c5+c3-c1-2*c9 */ z1 = tmp14 - MULTIPLY(z2 + z3, FIX(1.163011579)); /* c7+c9 */ tmp11 += z1 + MULTIPLY(z2, FIX(2.073276588)); /* c1+c7+3*c9-c3 */ tmp12 += z1 - MULTIPLY(z3, FIX(1.192193623)); /* c3+c5-c7-c9 */ @@ -1331,8 +1335,8 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp11 += z1; tmp13 += z1 + MULTIPLY(z4, FIX(2.102458632)); /* c1+c5+c9-c7 */ tmp14 += MULTIPLY(z2, - FIX(1.467221301)) + /* -(c5+c9) */ - MULTIPLY(z3, FIX(1.001388905)) - /* c1-c9 */ - MULTIPLY(z4, FIX(1.684843907)); /* c3+c9 */ + MULTIPLY(z3, FIX(1.001388905)) - /* c1-c9 */ + MULTIPLY(z4, FIX(1.684843907)); /* c3+c9 */ /* Final output stage */ @@ -1358,12 +1362,12 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp10 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp10 <<= CONST_BITS; + tmp10 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp10 = LEFT_SHIFT(tmp10, CONST_BITS); - z1 = (INT32) wsptr[2]; - z2 = (INT32) wsptr[4]; - z3 = (INT32) wsptr[6]; + z1 = (JLONG) wsptr[2]; + z2 = (JLONG) wsptr[4]; + z3 = (JLONG) wsptr[6]; tmp20 = MULTIPLY(z2 - z3, FIX(2.546640132)); /* c2+c4 */ tmp23 = MULTIPLY(z2 - z1, FIX(0.430815045)); /* c2-c6 */ @@ -1372,21 +1376,21 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, z4 -= z2; tmp25 = tmp10 + MULTIPLY(z4, FIX(1.356927976)); /* c2 */ tmp21 = tmp20 + tmp23 + tmp25 - - MULTIPLY(z2, FIX(1.821790775)); /* c2+c4+c10-c6 */ + MULTIPLY(z2, FIX(1.821790775)); /* c2+c4+c10-c6 */ tmp20 += tmp25 + MULTIPLY(z3, FIX(2.115825087)); /* c4+c6 */ tmp23 += tmp25 - MULTIPLY(z1, FIX(1.513598477)); /* c6+c8 */ tmp24 += tmp25; tmp22 = tmp24 - MULTIPLY(z3, FIX(0.788749120)); /* c8+c10 */ tmp24 += MULTIPLY(z2, FIX(1.944413522)) - /* c2+c8 */ - MULTIPLY(z1, FIX(1.390975730)); /* c4+c10 */ + MULTIPLY(z1, FIX(1.390975730)); /* c4+c10 */ tmp25 = tmp10 - MULTIPLY(z4, FIX(1.414213562)); /* c0 */ /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z4 = (INT32) wsptr[7]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z4 = (JLONG) wsptr[7]; tmp11 = z1 + z2; tmp14 = MULTIPLY(tmp11 + z3 + z4, FIX(0.398430003)); /* c9 */ @@ -1394,7 +1398,7 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp12 = MULTIPLY(z1 + z3, FIX(0.670361295)); /* c5-c9 */ tmp13 = tmp14 + MULTIPLY(z1 + z4, FIX(0.366151574)); /* c7-c9 */ tmp10 = tmp11 + tmp12 + tmp13 - - MULTIPLY(z1, FIX(0.923107866)); /* c7+c5+c3-c1-2*c9 */ + MULTIPLY(z1, FIX(0.923107866)); /* c7+c5+c3-c1-2*c9 */ z1 = tmp14 - MULTIPLY(z2 + z3, FIX(1.163011579)); /* c7+c9 */ tmp11 += z1 + MULTIPLY(z2, FIX(2.073276588)); /* c1+c7+3*c9-c3 */ tmp12 += z1 - MULTIPLY(z3, FIX(1.192193623)); /* c3+c5-c7-c9 */ @@ -1402,46 +1406,46 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp11 += z1; tmp13 += z1 + MULTIPLY(z4, FIX(2.102458632)); /* c1+c5+c9-c7 */ tmp14 += MULTIPLY(z2, - FIX(1.467221301)) + /* -(c5+c9) */ - MULTIPLY(z3, FIX(1.001388905)) - /* c1-c9 */ - MULTIPLY(z4, FIX(1.684843907)); /* c3+c9 */ + MULTIPLY(z3, FIX(1.001388905)) - /* c1-c9 */ + MULTIPLY(z4, FIX(1.684843907)); /* c3+c9 */ /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[10] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp25, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -1455,20 +1459,20 @@ jpeg_idct_11x11 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp10, tmp11, tmp12, tmp13, tmp14, tmp15; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24, tmp25; - INT32 z1, z2, z3, z4; + JLONG tmp10, tmp11, tmp12, tmp13, tmp14, tmp15; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24, tmp25; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*12]; /* buffers data between passes */ + int workspace[8*12]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -1480,7 +1484,7 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ z3 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - z3 <<= CONST_BITS; + z3 = LEFT_SHIFT(z3, CONST_BITS); /* Add fudge factor here for final descale. */ z3 += ONE << (CONST_BITS-PASS1_BITS-1); @@ -1492,9 +1496,9 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, z1 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); z4 = MULTIPLY(z1, FIX(1.366025404)); /* c2 */ - z1 <<= CONST_BITS; + z1 = LEFT_SHIFT(z1, CONST_BITS); z2 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); - z2 <<= CONST_BITS; + z2 = LEFT_SHIFT(z2, CONST_BITS); tmp12 = z1 - z2; @@ -1529,7 +1533,7 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp12 += tmp13 + tmp14 - MULTIPLY(z3, FIX(1.478575242)); /* c1+c5-c7-c11 */ tmp13 += tmp15 - tmp11 + MULTIPLY(z4, FIX(1.586706681)); /* c1+c11 */ tmp15 += tmp14 - MULTIPLY(z1, FIX(0.676326758)) - /* c7-c11 */ - MULTIPLY(z4, FIX(1.982889723)); /* c5+c7 */ + MULTIPLY(z4, FIX(1.982889723)); /* c5+c7 */ z1 -= z4; z2 -= z3; @@ -1562,20 +1566,20 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - z3 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - z3 <<= CONST_BITS; + z3 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + z3 = LEFT_SHIFT(z3, CONST_BITS); - z4 = (INT32) wsptr[4]; + z4 = (JLONG) wsptr[4]; z4 = MULTIPLY(z4, FIX(1.224744871)); /* c4 */ tmp10 = z3 + z4; tmp11 = z3 - z4; - z1 = (INT32) wsptr[2]; + z1 = (JLONG) wsptr[2]; z4 = MULTIPLY(z1, FIX(1.366025404)); /* c2 */ - z1 <<= CONST_BITS; - z2 = (INT32) wsptr[6]; - z2 <<= CONST_BITS; + z1 = LEFT_SHIFT(z1, CONST_BITS); + z2 = (JLONG) wsptr[6]; + z2 = LEFT_SHIFT(z2, CONST_BITS); tmp12 = z1 - z2; @@ -1594,10 +1598,10 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z4 = (INT32) wsptr[7]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z4 = (JLONG) wsptr[7]; tmp11 = MULTIPLY(z2, FIX(1.306562965)); /* c3 */ tmp14 = MULTIPLY(z2, - FIX_0_541196100); /* -c9 */ @@ -1610,7 +1614,7 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp12 += tmp13 + tmp14 - MULTIPLY(z3, FIX(1.478575242)); /* c1+c5-c7-c11 */ tmp13 += tmp15 - tmp11 + MULTIPLY(z4, FIX(1.586706681)); /* c1+c11 */ tmp15 += tmp14 - MULTIPLY(z1, FIX(0.676326758)) - /* c7-c11 */ - MULTIPLY(z4, FIX(1.982889723)); /* c5+c7 */ + MULTIPLY(z4, FIX(1.982889723)); /* c5+c7 */ z1 -= z4; z2 -= z3; @@ -1621,43 +1625,43 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[11] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[10] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp25 + tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp25 - tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -1671,20 +1675,20 @@ jpeg_idct_12x12 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp10, tmp11, tmp12, tmp13, tmp14, tmp15; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26; - INT32 z1, z2, z3, z4; + JLONG tmp10, tmp11, tmp12, tmp13, tmp14, tmp15; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*13]; /* buffers data between passes */ + int workspace[8*13]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -1696,7 +1700,7 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ z1 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - z1 <<= CONST_BITS; + z1 = LEFT_SHIFT(z1, CONST_BITS); /* Add fudge factor here for final descale. */ z1 += ONE << (CONST_BITS-PASS1_BITS-1); @@ -1739,7 +1743,7 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp15 = z1 + z4; tmp13 = MULTIPLY(tmp15, FIX(0.937797057)); /* c7 */ tmp10 = tmp11 + tmp12 + tmp13 - - MULTIPLY(z1, FIX(2.020082300)); /* c7+c5+c3-c1 */ + MULTIPLY(z1, FIX(2.020082300)); /* c7+c5+c3-c1 */ tmp14 = MULTIPLY(z2 + z3, - FIX(0.338443458)); /* -c11 */ tmp11 += tmp14 + MULTIPLY(z2, FIX(0.837223564)); /* c5+c9+c11-c3 */ tmp12 += tmp14 - MULTIPLY(z3, FIX(1.572116027)); /* c1+c5-c9-c11 */ @@ -1751,11 +1755,11 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp13 += tmp14; tmp15 = MULTIPLY(tmp15, FIX(0.338443458)); /* c11 */ tmp14 = tmp15 + MULTIPLY(z1, FIX(0.318774355)) - /* c9-c11 */ - MULTIPLY(z2, FIX(0.466105296)); /* c1-c7 */ + MULTIPLY(z2, FIX(0.466105296)); /* c1-c7 */ z1 = MULTIPLY(z3 - z2, FIX(0.937797057)); /* c7 */ tmp14 += z1; tmp15 += z1 + MULTIPLY(z3, FIX(0.384515595)) - /* c3-c7 */ - MULTIPLY(z4, FIX(1.742345811)); /* c1+c11 */ + MULTIPLY(z4, FIX(1.742345811)); /* c1+c11 */ /* Final output stage */ @@ -1783,12 +1787,12 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - z1 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - z1 <<= CONST_BITS; + z1 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + z1 = LEFT_SHIFT(z1, CONST_BITS); - z2 = (INT32) wsptr[2]; - z3 = (INT32) wsptr[4]; - z4 = (INT32) wsptr[6]; + z2 = (JLONG) wsptr[2]; + z3 = (JLONG) wsptr[4]; + z4 = (JLONG) wsptr[6]; tmp10 = z3 + z4; tmp11 = z3 - z4; @@ -1815,17 +1819,17 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z4 = (INT32) wsptr[7]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z4 = (JLONG) wsptr[7]; tmp11 = MULTIPLY(z1 + z2, FIX(1.322312651)); /* c3 */ tmp12 = MULTIPLY(z1 + z3, FIX(1.163874945)); /* c5 */ tmp15 = z1 + z4; tmp13 = MULTIPLY(tmp15, FIX(0.937797057)); /* c7 */ tmp10 = tmp11 + tmp12 + tmp13 - - MULTIPLY(z1, FIX(2.020082300)); /* c7+c5+c3-c1 */ + MULTIPLY(z1, FIX(2.020082300)); /* c7+c5+c3-c1 */ tmp14 = MULTIPLY(z2 + z3, - FIX(0.338443458)); /* -c11 */ tmp11 += tmp14 + MULTIPLY(z2, FIX(0.837223564)); /* c5+c9+c11-c3 */ tmp12 += tmp14 - MULTIPLY(z3, FIX(1.572116027)); /* c1+c5-c9-c11 */ @@ -1837,55 +1841,55 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp13 += tmp14; tmp15 = MULTIPLY(tmp15, FIX(0.338443458)); /* c11 */ tmp14 = tmp15 + MULTIPLY(z1, FIX(0.318774355)) - /* c9-c11 */ - MULTIPLY(z2, FIX(0.466105296)); /* c1-c7 */ + MULTIPLY(z2, FIX(0.466105296)); /* c1-c7 */ z1 = MULTIPLY(z3 - z2, FIX(0.937797057)); /* c7 */ tmp14 += z1; tmp15 += z1 + MULTIPLY(z3, FIX(0.384515595)) - /* c3-c7 */ - MULTIPLY(z4, FIX(1.742345811)); /* c1+c11 */ + MULTIPLY(z4, FIX(1.742345811)); /* c1+c11 */ /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[12] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[11] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[10] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp25 + tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp25 - tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp26, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -1899,20 +1903,20 @@ jpeg_idct_13x13 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26; - INT32 z1, z2, z3, z4; + JLONG tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*14]; /* buffers data between passes */ + int workspace[8*14]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -1924,7 +1928,7 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ z1 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - z1 <<= CONST_BITS; + z1 = LEFT_SHIFT(z1, CONST_BITS); /* Add fudge factor here for final descale. */ z1 += ONE << (CONST_BITS-PASS1_BITS-1); z4 = DEQUANTIZE(inptr[DCTSIZE*4], quantptr[DCTSIZE*4]); @@ -1936,8 +1940,8 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp11 = z1 + z3; tmp12 = z1 - z4; - tmp23 = RIGHT_SHIFT(z1 - ((z2 + z3 - z4) << 1), /* c0 = (c4+c12-c8)*2 */ - CONST_BITS-PASS1_BITS); + tmp23 = RIGHT_SHIFT(z1 - LEFT_SHIFT(z2 + z3 - z4, 1), + CONST_BITS-PASS1_BITS); /* c0 = (c4+c12-c8)*2 */ z1 = DEQUANTIZE(inptr[DCTSIZE*2], quantptr[DCTSIZE*2]); z2 = DEQUANTIZE(inptr[DCTSIZE*6], quantptr[DCTSIZE*6]); @@ -1947,7 +1951,7 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp13 = z3 + MULTIPLY(z1, FIX(0.273079590)); /* c2-c6 */ tmp14 = z3 - MULTIPLY(z2, FIX(1.719280954)); /* c6+c10 */ tmp15 = MULTIPLY(z1, FIX(0.613604268)) - /* c10 */ - MULTIPLY(z2, FIX(1.378756276)); /* c2 */ + MULTIPLY(z2, FIX(1.378756276)); /* c2 */ tmp20 = tmp10 + tmp13; tmp26 = tmp10 - tmp13; @@ -1962,7 +1966,7 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, z2 = DEQUANTIZE(inptr[DCTSIZE*3], quantptr[DCTSIZE*3]); z3 = DEQUANTIZE(inptr[DCTSIZE*5], quantptr[DCTSIZE*5]); z4 = DEQUANTIZE(inptr[DCTSIZE*7], quantptr[DCTSIZE*7]); - tmp13 = z4 << CONST_BITS; + tmp13 = LEFT_SHIFT(z4, CONST_BITS); tmp14 = z1 + z3; tmp11 = MULTIPLY(z1 + z2, FIX(1.334852607)); /* c3 */ @@ -1981,7 +1985,7 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp14 += z4 + tmp13 - MULTIPLY(z3, FIX(1.6906431334)); /* c1+c9-c11 */ tmp15 += z4 + MULTIPLY(z2, FIX(0.674957567)); /* c1+c11-c5 */ - tmp13 = (z1 - z3) << PASS1_BITS; + tmp13 = LEFT_SHIFT(z1 - z3, PASS1_BITS); /* Final output stage */ @@ -2010,9 +2014,9 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - z1 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - z1 <<= CONST_BITS; - z4 = (INT32) wsptr[4]; + z1 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + z1 = LEFT_SHIFT(z1, CONST_BITS); + z4 = (JLONG) wsptr[4]; z2 = MULTIPLY(z4, FIX(1.274162392)); /* c4 */ z3 = MULTIPLY(z4, FIX(0.314692123)); /* c12 */ z4 = MULTIPLY(z4, FIX(0.881747734)); /* c8 */ @@ -2021,17 +2025,17 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp11 = z1 + z3; tmp12 = z1 - z4; - tmp23 = z1 - ((z2 + z3 - z4) << 1); /* c0 = (c4+c12-c8)*2 */ + tmp23 = z1 - LEFT_SHIFT(z2 + z3 - z4, 1); /* c0 = (c4+c12-c8)*2 */ - z1 = (INT32) wsptr[2]; - z2 = (INT32) wsptr[6]; + z1 = (JLONG) wsptr[2]; + z2 = (JLONG) wsptr[6]; z3 = MULTIPLY(z1 + z2, FIX(1.105676686)); /* c6 */ tmp13 = z3 + MULTIPLY(z1, FIX(0.273079590)); /* c2-c6 */ tmp14 = z3 - MULTIPLY(z2, FIX(1.719280954)); /* c6+c10 */ tmp15 = MULTIPLY(z1, FIX(0.613604268)) - /* c10 */ - MULTIPLY(z2, FIX(1.378756276)); /* c2 */ + MULTIPLY(z2, FIX(1.378756276)); /* c2 */ tmp20 = tmp10 + tmp13; tmp26 = tmp10 - tmp13; @@ -2042,11 +2046,11 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z4 = (INT32) wsptr[7]; - z4 <<= CONST_BITS; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z4 = (JLONG) wsptr[7]; + z4 = LEFT_SHIFT(z4, CONST_BITS); tmp14 = z1 + z3; tmp11 = MULTIPLY(z1 + z2, FIX(1.334852607)); /* c3 */ @@ -2064,54 +2068,54 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp14 += tmp13 + z4 - MULTIPLY(z3, FIX(1.6906431334)); /* c1+c9-c11 */ tmp15 += tmp13 + MULTIPLY(z2, FIX(0.674957567)); /* c1+c11-c5 */ - tmp13 = ((z1 - z3) << CONST_BITS) + z4; + tmp13 = LEFT_SHIFT(z1 - z3, CONST_BITS) + z4; /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[13] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[12] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[11] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[10] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp25 + tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp25 - tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp26 + tmp16, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp26 - tmp16, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -2125,20 +2129,20 @@ jpeg_idct_14x14 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27; - INT32 z1, z2, z3, z4; + JLONG tmp10, tmp11, tmp12, tmp13, tmp14, tmp15, tmp16; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*15]; /* buffers data between passes */ + int workspace[8*15]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -2150,7 +2154,7 @@ jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ z1 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - z1 <<= CONST_BITS; + z1 = LEFT_SHIFT(z1, CONST_BITS); /* Add fudge factor here for final descale. */ z1 += ONE << (CONST_BITS-PASS1_BITS-1); @@ -2163,7 +2167,7 @@ jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp12 = z1 - tmp10; tmp13 = z1 + tmp11; - z1 -= (tmp11 - tmp10) << 1; /* c0 = (c6-c12)*2 */ + z1 -= LEFT_SHIFT(tmp11 - tmp10, 1); /* c0 = (c6-c12)*2 */ z4 = z2 - z3; z3 += z2; @@ -2242,19 +2246,19 @@ jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - z1 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - z1 <<= CONST_BITS; + z1 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + z1 = LEFT_SHIFT(z1, CONST_BITS); - z2 = (INT32) wsptr[2]; - z3 = (INT32) wsptr[4]; - z4 = (INT32) wsptr[6]; + z2 = (JLONG) wsptr[2]; + z3 = (JLONG) wsptr[4]; + z4 = (JLONG) wsptr[6]; tmp10 = MULTIPLY(z4, FIX(0.437016024)); /* c12 */ tmp11 = MULTIPLY(z4, FIX(1.144122806)); /* c6 */ tmp12 = z1 - tmp10; tmp13 = z1 + tmp11; - z1 -= (tmp11 - tmp10) << 1; /* c0 = (c6-c12)*2 */ + z1 -= LEFT_SHIFT(tmp11 - tmp10, 1); /* c0 = (c6-c12)*2 */ z4 = z2 - z3; z3 += z2; @@ -2282,11 +2286,11 @@ jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z4 = (INT32) wsptr[5]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z4 = (JLONG) wsptr[5]; z3 = MULTIPLY(z4, FIX(1.224744871)); /* c5 */ - z4 = (INT32) wsptr[7]; + z4 = (JLONG) wsptr[7]; tmp13 = z2 - z4; tmp15 = MULTIPLY(z1 + tmp13, FIX(0.831253876)); /* c9 */ @@ -2308,52 +2312,52 @@ jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[14] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[13] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[12] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[11] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[10] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp14, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp25 + tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp25 - tmp15, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp26 + tmp16, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp26 - tmp16, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp27, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } @@ -2367,20 +2371,20 @@ jpeg_idct_15x15 (j_decompress_ptr cinfo, jpeg_component_info * compptr, */ GLOBAL(void) -jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, - JCOEFPTR coef_block, - JSAMPARRAY output_buf, JDIMENSION output_col) +jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info *compptr, + JCOEFPTR coef_block, + JSAMPARRAY output_buf, JDIMENSION output_col) { - INT32 tmp0, tmp1, tmp2, tmp3, tmp10, tmp11, tmp12, tmp13; - INT32 tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27; - INT32 z1, z2, z3, z4; + JLONG tmp0, tmp1, tmp2, tmp3, tmp10, tmp11, tmp12, tmp13; + JLONG tmp20, tmp21, tmp22, tmp23, tmp24, tmp25, tmp26, tmp27; + JLONG z1, z2, z3, z4; JCOEFPTR inptr; - ISLOW_MULT_TYPE * quantptr; - int * wsptr; + ISLOW_MULT_TYPE *quantptr; + int *wsptr; JSAMPROW outptr; JSAMPLE *range_limit = IDCT_range_limit(cinfo); int ctr; - int workspace[8*16]; /* buffers data between passes */ + int workspace[8*16]; /* buffers data between passes */ SHIFT_TEMPS /* Pass 1: process columns from input, store into work array. */ @@ -2392,7 +2396,7 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ tmp0 = DEQUANTIZE(inptr[DCTSIZE*0], quantptr[DCTSIZE*0]); - tmp0 <<= CONST_BITS; + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); /* Add fudge factor here for final descale. */ tmp0 += 1 << (CONST_BITS-PASS1_BITS-1); @@ -2441,9 +2445,9 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp11 = MULTIPLY(tmp11, FIX(0.666655658)); /* c11 */ tmp12 = MULTIPLY(z1 - z2, FIX(0.410524528)); /* c13 */ tmp0 = tmp1 + tmp2 + tmp3 - - MULTIPLY(z1, FIX(2.286341144)); /* c7+c5+c3-c1 */ + MULTIPLY(z1, FIX(2.286341144)); /* c7+c5+c3-c1 */ tmp13 = tmp10 + tmp11 + tmp12 - - MULTIPLY(z1, FIX(1.835730603)); /* c9+c11+c13-c15 */ + MULTIPLY(z1, FIX(1.835730603)); /* c9+c11+c13-c15 */ z1 = MULTIPLY(z2 + z3, FIX(0.138617169)); /* c15 */ tmp1 += z1 + MULTIPLY(z2, FIX(0.071888074)); /* c9+c11-c3-c15 */ tmp2 += z1 - MULTIPLY(z3, FIX(1.125726048)); /* c5+c7+c15-c3 */ @@ -2493,10 +2497,10 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Even part */ /* Add fudge factor here for final descale. */ - tmp0 = (INT32) wsptr[0] + (ONE << (PASS1_BITS+2)); - tmp0 <<= CONST_BITS; + tmp0 = (JLONG) wsptr[0] + (ONE << (PASS1_BITS+2)); + tmp0 = LEFT_SHIFT(tmp0, CONST_BITS); - z1 = (INT32) wsptr[4]; + z1 = (JLONG) wsptr[4]; tmp1 = MULTIPLY(z1, FIX(1.306562965)); /* c4[16] = c2[8] */ tmp2 = MULTIPLY(z1, FIX_0_541196100); /* c12[16] = c6[8] */ @@ -2505,8 +2509,8 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp12 = tmp0 + tmp2; tmp13 = tmp0 - tmp2; - z1 = (INT32) wsptr[2]; - z2 = (INT32) wsptr[6]; + z1 = (JLONG) wsptr[2]; + z2 = (JLONG) wsptr[6]; z3 = z1 - z2; z4 = MULTIPLY(z3, FIX(0.275899379)); /* c14[16] = c7[8] */ z3 = MULTIPLY(z3, FIX(1.387039845)); /* c2[16] = c1[8] */ @@ -2527,10 +2531,10 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Odd part */ - z1 = (INT32) wsptr[1]; - z2 = (INT32) wsptr[3]; - z3 = (INT32) wsptr[5]; - z4 = (INT32) wsptr[7]; + z1 = (JLONG) wsptr[1]; + z2 = (JLONG) wsptr[3]; + z3 = (JLONG) wsptr[5]; + z4 = (JLONG) wsptr[7]; tmp11 = z1 + z3; @@ -2541,9 +2545,9 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, tmp11 = MULTIPLY(tmp11, FIX(0.666655658)); /* c11 */ tmp12 = MULTIPLY(z1 - z2, FIX(0.410524528)); /* c13 */ tmp0 = tmp1 + tmp2 + tmp3 - - MULTIPLY(z1, FIX(2.286341144)); /* c7+c5+c3-c1 */ + MULTIPLY(z1, FIX(2.286341144)); /* c7+c5+c3-c1 */ tmp13 = tmp10 + tmp11 + tmp12 - - MULTIPLY(z1, FIX(1.835730603)); /* c9+c11+c13-c15 */ + MULTIPLY(z1, FIX(1.835730603)); /* c9+c11+c13-c15 */ z1 = MULTIPLY(z2 + z3, FIX(0.138617169)); /* c15 */ tmp1 += z1 + MULTIPLY(z2, FIX(0.071888074)); /* c9+c11-c3-c15 */ tmp2 += z1 - MULTIPLY(z3, FIX(1.125726048)); /* c5+c7+c15-c3 */ @@ -2567,55 +2571,55 @@ jpeg_idct_16x16 (j_decompress_ptr cinfo, jpeg_component_info * compptr, /* Final output stage */ outptr[0] = range_limit[(int) RIGHT_SHIFT(tmp20 + tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[15] = range_limit[(int) RIGHT_SHIFT(tmp20 - tmp0, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[1] = range_limit[(int) RIGHT_SHIFT(tmp21 + tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[14] = range_limit[(int) RIGHT_SHIFT(tmp21 - tmp1, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[2] = range_limit[(int) RIGHT_SHIFT(tmp22 + tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[13] = range_limit[(int) RIGHT_SHIFT(tmp22 - tmp2, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[3] = range_limit[(int) RIGHT_SHIFT(tmp23 + tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[12] = range_limit[(int) RIGHT_SHIFT(tmp23 - tmp3, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[4] = range_limit[(int) RIGHT_SHIFT(tmp24 + tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[11] = range_limit[(int) RIGHT_SHIFT(tmp24 - tmp10, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[5] = range_limit[(int) RIGHT_SHIFT(tmp25 + tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[10] = range_limit[(int) RIGHT_SHIFT(tmp25 - tmp11, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[6] = range_limit[(int) RIGHT_SHIFT(tmp26 + tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[9] = range_limit[(int) RIGHT_SHIFT(tmp26 - tmp12, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[7] = range_limit[(int) RIGHT_SHIFT(tmp27 + tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; outptr[8] = range_limit[(int) RIGHT_SHIFT(tmp27 - tmp13, - CONST_BITS+PASS1_BITS+3) - & RANGE_MASK]; + CONST_BITS+PASS1_BITS+3) + & RANGE_MASK]; - wsptr += 8; /* advance pointer to next row */ + wsptr += 8; /* advance pointer to next row */ } } |