Bug Summary

File:jdk/src/java.desktop/share/native/libmlib_image/mlib_ImageConv_8ext.c
Warning:line 370, column 16
Assigned value is garbage or undefined

Annotated Source Code

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clang -cc1 -triple x86_64-pc-linux-gnu -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name mlib_ImageConv_8ext.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -mthread-model posix -fno-delete-null-pointer-checks -mframe-pointer=all -relaxed-aliasing -fmath-errno -fno-rounding-math -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -dwarf-column-info -fno-split-dwarf-inlining -debugger-tuning=gdb -resource-dir /usr/lib/llvm-10/lib/clang/10.0.0 -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/modules_include/java.base/linux -I /home/daniel/Projects/java/jdk/src/java.base/share/native/libjava -I /home/daniel/Projects/java/jdk/src/java.base/unix/native/libjava -I /home/daniel/Projects/java/jdk/src/hotspot/share/include -I /home/daniel/Projects/java/jdk/src/hotspot/os/posix/include -D LIBC=gnu -D _GNU_SOURCE -D _REENTRANT -D _LARGEFILE64_SOURCE -D LINUX -D DEBUG -D _LITTLE_ENDIAN -D ARCH="amd64" -D amd64 -D _LP64=1 -D __USE_J2D_NAMES -D __MEDIALIB_OLD_NAMES -D MLIB_NO_LIBSUNMATH -D MLIB_OS64BIT -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libmlib_image -I /home/daniel/Projects/java/jdk/src/java.desktop/share/native/common/awt/medialib -I /home/daniel/Projects/java/jdk/build/linux-x86_64-server-fastdebug/support/headers/java.desktop -D _FORTIFY_SOURCE=2 -internal-isystem /usr/local/include -internal-isystem /usr/lib/llvm-10/lib/clang/10.0.0/include -internal-externc-isystem /usr/include/x86_64-linux-gnu -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -Wno-unused-parameter -Wno-unused -Wno-unused-function -std=c99 -fdebug-compilation-dir /home/daniel/Projects/java/jdk/make -ferror-limit 19 -fmessage-length 0 -fvisibility hidden -stack-protector 1 -fgnuc-version=4.2.1 -fobjc-runtime=gcc -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -o /home/daniel/Projects/java/scan/2021-12-21-193737-8510-1 -x c /home/daniel/Projects/java/jdk/src/java.desktop/share/native/libmlib_image/mlib_ImageConv_8ext.c
1/*
2 * Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26
27/*
28 * FUNCTION
29 * Internal functions for mlib_ImageConv* on U8/S16/U16 type and
30 * MLIB_EDGE_SRC_EXTEND mask
31 */
32
33#include "mlib_image.h"
34#include "mlib_ImageConv.h"
35#include "mlib_c_ImageConv.h"
36
37/*
38 * This define switches between functions of different data types
39 */
40
41#define IMG_TYPE1 1
42
43/***************************************************************/
44#if IMG_TYPE1 == 1
45
46#define DTYPEmlib_u8 mlib_u8
47#define CONV_FUNC(KERN)mlib_c_convKERNext_u8(mlib_image *dst, const mlib_image *src,
mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const
mlib_s32 *kern, mlib_s32 scalef_expon, mlib_s32 cmask) mlib_c_conv##KERN##ext_u8(PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask)
48#define CONV_FUNC_MxNmlib_c_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask) mlib_c_convMxNext_u8(PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask)
49#define CONV_FUNC_I(KERN)mlib_i_convKERNext_u8(mlib_image *dst, const mlib_image *src,
mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const
mlib_s32 *kern, mlib_s32 scalef_expon, mlib_s32 cmask) mlib_i_conv##KERN##ext_u8(PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask)
50#define CONV_FUNC_MxN_Imlib_i_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask) mlib_i_convMxNext_u8(PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask)
51#define DSCALE(1 << 24) (1 << 24)
52#define FROM_S32(x)(((x) >> 24) ^ 128) (((x) >> 24) ^ 128)
53#define S64TOS32(x)(x) (x)
54#define SAT_OFF-(1u << 31) -(1u << 31)
55
56#elif IMG_TYPE1 == 2
57
58#define DTYPEmlib_u8 mlib_s16
59#define CONV_FUNC(KERN)mlib_c_convKERNext_u8(mlib_image *dst, const mlib_image *src,
mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const
mlib_s32 *kern, mlib_s32 scalef_expon, mlib_s32 cmask) mlib_conv##KERN##ext_s16(PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask)
60#define CONV_FUNC_MxNmlib_c_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask) mlib_convMxNext_s16(PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask)
61#define CONV_FUNC_I(KERN)mlib_i_convKERNext_u8(mlib_image *dst, const mlib_image *src,
mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const
mlib_s32 *kern, mlib_s32 scalef_expon, mlib_s32 cmask) mlib_i_conv##KERN##ext_s16(PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask)
62#define CONV_FUNC_MxN_Imlib_i_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask) mlib_i_convMxNext_s16(PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask)
63#define DSCALE(1 << 24) 65536.0
64#define FROM_S32(x)(((x) >> 24) ^ 128) ((x) >> 16)
65#define S64TOS32(x)(x) ((x) & 0xffffffff)
66#define SAT_OFF-(1u << 31)
67
68#elif IMG_TYPE1 == 3
69
70#define DTYPEmlib_u8 mlib_u16
71#define CONV_FUNC(KERN)mlib_c_convKERNext_u8(mlib_image *dst, const mlib_image *src,
mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const
mlib_s32 *kern, mlib_s32 scalef_expon, mlib_s32 cmask) mlib_conv##KERN##ext_u16(PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask)
72#define CONV_FUNC_MxNmlib_c_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask) mlib_convMxNext_u16(PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask)
73#define CONV_FUNC_I(KERN)mlib_i_convKERNext_u8(mlib_image *dst, const mlib_image *src,
mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const
mlib_s32 *kern, mlib_s32 scalef_expon, mlib_s32 cmask) mlib_i_conv##KERN##ext_u16(PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask)
74#define CONV_FUNC_MxN_Imlib_i_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask) mlib_i_convMxNext_u16(PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask)
75#define DSCALE(1 << 24) 65536.0
76#define FROM_S32(x)(((x) >> 24) ^ 128) (((x) >> 16) ^ 0x8000)
77#define S64TOS32(x)(x) (x)
78#define SAT_OFF-(1u << 31) -(1u << 31)
79
80#endif /* IMG_TYPE == 1 */
81
82/***************************************************************/
83#define PARAMmlib_image *dst, const mlib_image *src, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, const mlib_s32 *kern, mlib_s32
scalef_expon, mlib_s32 cmask \
84 mlib_image *dst, \
85 const mlib_image *src, \
86 mlib_s32 dx_l, \
87 mlib_s32 dx_r, \
88 mlib_s32 dy_t, \
89 mlib_s32 dy_b, \
90 const mlib_s32 *kern, \
91 mlib_s32 scalef_expon, \
92 mlib_s32 cmask
93
94/***************************************************************/
95#define PARAM_MxNmlib_image *dst, const mlib_image *src, const mlib_s32 *kernel
, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32 dx_r, mlib_s32
dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32 cmask \
96 mlib_image *dst, \
97 const mlib_image *src, \
98 const mlib_s32 *kernel, \
99 mlib_s32 m, \
100 mlib_s32 n, \
101 mlib_s32 dx_l, \
102 mlib_s32 dx_r, \
103 mlib_s32 dy_t, \
104 mlib_s32 dy_b, \
105 mlib_s32 scale, \
106 mlib_s32 cmask
107
108/***************************************************************/
109#define FTYPEmlib_d64 mlib_d64
110
111#ifndef MLIB_USE_FTOI_CLAMPING
112
113#define CLAMP_S32(x)(((x) <= (-2147483647 -1)) ? (-2147483647 -1) : (((x) >=
2147483647) ? 2147483647 : (mlib_s32)(x))) \
114 (((x) <= MLIB_S32_MIN(-2147483647 -1)) ? MLIB_S32_MIN(-2147483647 -1) : (((x) >= MLIB_S32_MAX2147483647) ? MLIB_S32_MAX2147483647 : (mlib_s32)(x)))
115
116#else
117
118#define CLAMP_S32(x)(((x) <= (-2147483647 -1)) ? (-2147483647 -1) : (((x) >=
2147483647) ? 2147483647 : (mlib_s32)(x))) ((mlib_s32)(x))
119
120#endif /* MLIB_USE_FTOI_CLAMPING */
121
122/***************************************************************/
123#define D2I(x)((((x) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((x) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((x) -(1u << 31)))) CLAMP_S32((x) SAT_OFF)((((x) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((x) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((x) -(1u << 31))))
124
125/***************************************************************/
126#ifdef _NO_LONGLONG
127
128#define LOAD_BUFF(buff)*(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) |
((mlib_s64)sp[0]) \
129 buff[i ] = sp[0]; \
130 buff[i + 1] = sp[chan1]
131
132#else /* _NO_LONGLONG */
133
134#ifdef _LITTLE_ENDIAN1
135
136#define LOAD_BUFF(buff)*(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) |
((mlib_s64)sp[0]) \
137 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) | S64TOS32((mlib_s64)sp[0])((mlib_s64)sp[0])
138
139#else /* _LITTLE_ENDIAN */
140
141#define LOAD_BUFF(buff)*(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) |
((mlib_s64)sp[0]) \
142 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[0]) << 32) | S64TOS32((mlib_s64)sp[chan1])((mlib_s64)sp[chan1])
143
144#endif /* _LITTLE_ENDIAN */
145#endif /* _NO_LONGLONG */
146
147/***************************************************************/
148typedef union {
149 mlib_d64 d64;
150 struct {
151 mlib_s32 i0;
152 mlib_s32 i1;
153 } i32s;
154} d64_2x32;
155
156/***************************************************************/
157#define GET_SRC_DST_PARAMETERS(type)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(type); dll = mlib_ImageGetStride(dst) / sizeof
(type); adr_src = (type *)mlib_ImageGetData(src); adr_dst = (
type *)mlib_ImageGetData(dst) \
158 hgt = mlib_ImageGetHeight(src); \
159 wid = mlib_ImageGetWidth(src); \
160 nchannel = mlib_ImageGetChannels(src); \
161 sll = mlib_ImageGetStride(src) / sizeof(type); \
162 dll = mlib_ImageGetStride(dst) / sizeof(type); \
163 adr_src = (type *)mlib_ImageGetData(src); \
164 adr_dst = (type *)mlib_ImageGetData(dst)
165
166/***************************************************************/
167#if IMG_TYPE1 == 1
168
169/*
170 * Test for the presence of any "1" bit in bits
171 8 to 31 of val. If present, then val is either
172 negative or >255. If over/underflows of 8 bits
173 are uncommon, then this technique can be a win,
174 since only a single test, rather than two, is
175 necessary to determine if clamping is needed.
176 On the other hand, if over/underflows are common,
177 it adds an extra test.
178*/
179#define CLAMP_STORE(dst, val)if (val & 0xffffff00) { if (val < 0) dst = 0; else dst
= (127*2 +1); } else { dst = (mlib_u8)val; } \
180 if (val & 0xffffff00) { \
181 if (val < MLIB_U8_MIN0) \
182 dst = MLIB_U8_MIN0; \
183 else \
184 dst = MLIB_U8_MAX(127*2 +1); \
185 } else { \
186 dst = (mlib_u8)val; \
187 }
188
189#elif IMG_TYPE1 == 2
190
191#define CLAMP_STORE(dst, val)if (val & 0xffffff00) { if (val < 0) dst = 0; else dst
= (127*2 +1); } else { dst = (mlib_u8)val; } \
192 if (val >= MLIB_S16_MAX32767) \
193 dst = MLIB_S16_MAX32767; \
194 else if (val <= MLIB_S16_MIN(-32767 -1)) \
195 dst = MLIB_S16_MIN(-32767 -1); \
196 else \
197 dst = (mlib_s16)val
198
199#elif IMG_TYPE1 == 3
200
201#define CLAMP_STORE(dst, val)if (val & 0xffffff00) { if (val < 0) dst = 0; else dst
= (127*2 +1); } else { dst = (mlib_u8)val; } \
202 if (val >= MLIB_U16_MAX(32767 *2 +1)) \
203 dst = MLIB_U16_MAX(32767 *2 +1); \
204 else if (val <= MLIB_U16_MIN0) \
205 dst = MLIB_U16_MIN0; \
206 else \
207 dst = (mlib_u16)val
208
209#endif /* IMG_TYPE == 1 */
210
211/***************************************************************/
212#define MAX_KER7 7
213#define MAX_N15 15
214#define BUFF_SIZE1600 1600
215#define CACHE_SIZE(64*1024) (64*1024)
216
217static mlib_status mlib_ImageConv1xN_ext(mlib_image *dst,
218 const mlib_image *src,
219 const mlib_d64 *k,
220 mlib_s32 n,
221 mlib_s32 dy_t,
222 mlib_s32 dy_b,
223 mlib_s32 cmask)
224{
225 DTYPEmlib_u8 *adr_src, *sl;
226 DTYPEmlib_u8 *adr_dst, *dl, *dp;
227 FTYPEmlib_d64 buff[BUFF_SIZE1600];
228 FTYPEmlib_d64 *buffd;
229 FTYPEmlib_d64 *pbuff = buff;
230 const FTYPEmlib_d64 *pk;
231 FTYPEmlib_d64 k0, k1, k2, k3;
232 FTYPEmlib_d64 p0, p1, p2, p3, p4;
233 FTYPEmlib_d64 *sbuff;
234 mlib_s32 l, k_off, off, bsize;
235 mlib_s32 max_hsize, smax_hsize, shgt, hsize, kh;
236 mlib_s32 d0, d1, ii;
237 mlib_s32 wid, hgt, sll, dll;
238 mlib_s32 nchannel;
239 mlib_s32 i, j, c;
240 GET_SRC_DST_PARAMETERS(DTYPE)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(mlib_u8); dll = mlib_ImageGetStride(dst) / sizeof
(mlib_u8); adr_src = (mlib_u8 *)mlib_ImageGetData(src); adr_dst
= (mlib_u8 *)mlib_ImageGetData(dst);
241
242 max_hsize = ((CACHE_SIZE(64*1024)/sizeof(DTYPEmlib_u8))/sll) - (n - 1);
243
244 if (max_hsize < 1) max_hsize = 1;
1
Assuming 'max_hsize' is >= 1
→
2
←
Taking false branch
→
245 if (max_hsize > hgt) max_hsize = hgt;
3
←
Assuming 'max_hsize' is <= 'hgt'
→
4
←
Taking false branch
→
246
247 shgt = hgt + (n - 1);
248 smax_hsize = max_hsize + (n - 1);
249
250 bsize = 2 * (smax_hsize + 1);
251
252 if (bsize > BUFF_SIZE1600) {
5
←
Assuming 'bsize' is <= BUFF_SIZE
→
6
←
Taking false branch
→
253 pbuff = mlib_malloc(sizeof(FTYPEmlib_d64)*bsize);
254
255 if (pbuff == NULL((void*)0)) return MLIB_FAILURE;
256 }
257
258 sbuff = pbuff;
259 buffd = sbuff + smax_hsize;
260
261 shgt -= (dy_t + dy_b);
262 k_off = 0;
263
264 for (l = 0; l < hgt; l += hsize) {
7
←
Assuming 'l' is < 'hgt'
→
8
←
Loop condition is true. Entering loop body
→
265 hsize = hgt - l;
266
267 if (hsize > max_hsize) hsize = max_hsize;
9
←
Assuming 'hsize' is <= 'max_hsize'
→
10
←
Taking false branch
→
268
269 smax_hsize = hsize + (n - 1);
270
271 for (c = 0; c < nchannel; c++) {
11
←
Assuming 'c' is < 'nchannel'
→
12
←
Loop condition is true. Entering loop body
→
272 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
13
←
Assuming the condition is false
→
14
←
Taking false branch
→
273
274 sl = adr_src + c;
275 dl = adr_dst + c;
276
277 for (i = 0; i
14.1
'i' is < 'hsize'
 < hsize; i++) buffd[i] = 0.0;
15
←
Loop condition is true. Entering loop body
→
16
←
Assuming 'i' is >= 'hsize'
→
17
←
Loop condition is false. Execution continues on line 279
→
278
279 for (j = 0; j < wid; j++) {
18
←
Assuming 'j' is < 'wid'
→
19
←
Loop condition is true. Entering loop body
→
280 FTYPEmlib_d64 *buff = sbuff;
281
282 for (i = k_off, ii = 0; (i < dy_t) && (ii < smax_hsize); i++, ii++) {
20
←
Assuming 'i' is < 'dy_t'
→
21
←
Assuming 'ii' is < 'smax_hsize'
→
22
←
Loop condition is true. Entering loop body
→
23
←
Assuming 'i' is < 'dy_t'
→
24
←
Assuming 'ii' is < 'smax_hsize'
→
25
←
Loop condition is true. Entering loop body
→
26
←
Assuming 'i' is >= 'dy_t'
→
283 sbuff[i - k_off] = (FTYPEmlib_d64)sl[0];
284 }
285
286 for (; (i < shgt + dy_t) && (ii < smax_hsize); i++, ii++) {
27
←
Assuming the condition is false
→
287 sbuff[i - k_off] = (FTYPEmlib_d64)sl[(i - dy_t)*sll];
288 }
289
290 for (; (i < shgt + dy_t + dy_b) && (ii < smax_hsize); i++, ii++) {
28
←
Assuming the condition is false
→
291 sbuff[i - k_off] = (FTYPEmlib_d64)sl[(shgt - 1)*sll];
292 }
293
294 pk = k;
295
296 for (off = 0; off < (n - 4); off += 4) {
29
←
Assuming the condition is false
→
30
←
Loop condition is false. Execution continues on line 314
→
297
298 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
299 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
300
301 for (i = 0; i < hsize; i += 2) {
302 p0 = p2; p1 = p3; p2 = p4;
303
304 p3 = buff[i + 3]; p4 = buff[i + 4];
305
306 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
307 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
308 }
309
310 pk += 4;
311 buff += 4;
312 }
313
314 dp = dl;
315 kh = n - off;
316
317 if (kh == 4) {
31
←
Assuming 'kh' is not equal to 4
→
32
←
Taking false branch
→
318 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
319 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
320
321 for (i = 0; i <= (hsize - 2); i += 2) {
322 p0 = p2; p1 = p3; p2 = p4;
323
324 p3 = buff[i + 3]; p4 = buff[i + 4];
325
326 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]) -(1u << 31
)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1
*k1 + p2*k2 + p3*k3 + buffd[i ]) -(1u << 31)) >= 2147483647
) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd
[i ]) -(1u << 31))));
327 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]) -(1u <<
31)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 +
p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]) -(1u << 31)) >=
2147483647) ? 2147483647 : (mlib_s32)((p1*k0 + p2*k1 + p3*k2
+ p4*k3 + buffd[i + 1]) -(1u << 31))));
328
329 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
330 dp[dll] = FROM_S32(d1)(((d1) >> 24) ^ 128);
331
332 buffd[i ] = 0.0;
333 buffd[i + 1] = 0.0;
334
335 dp += 2*dll;
336 }
337
338 if (i < hsize) {
339 p0 = p2; p1 = p3; p2 = p4;
340 p3 = buff[i + 3];
341 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i]) -(1u << 31
)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1
*k1 + p2*k2 + p3*k3 + buffd[i]) -(1u << 31)) >= 2147483647
) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd
[i]) -(1u << 31))));
342 dp[0] = FROM_S32(d0)(((d0) >> 24) ^ 128);
343 buffd[i] = 0.0;
344 }
345
346 } else if (kh == 3) {
33
←
Assuming 'kh' is equal to 3
→
34
←
Taking true branch
→
347
348 p2 = buff[0]; p3 = buff[1];
349 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
350
351 for (i = 0; i <= (hsize - 2); i += 2) {
35
←
Loop condition is false. Execution continues on line 368
→
352 p0 = p2; p1 = p3;
353
354 p2 = buff[i + 2]; p3 = buff[i + 3];
355
356 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + buffd[i ]) -(1u << 31)) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2
*k2 + buffd[i ]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + buffd[i ]) -(1u <<
31))));
357 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]) -(1u << 31)) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3
*k2 + buffd[i + 1]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]) -(1u <<
31))));
358
359 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
360 dp[dll] = FROM_S32(d1)(((d1) >> 24) ^ 128);
361
362 buffd[i ] = 0.0;
363 buffd[i + 1] = 0.0;
364
365 dp += 2*dll;
366 }
367
368 if (i
35.1
'i' is < 'hsize'
 < hsize) {
36
←
Taking true branch
→
369 p0 = p2; p1 = p3;
370 p2 = buff[i + 2];
37
←
Assigned value is garbage or undefined
371 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i])((((p0*k0 + p1*k1 + p2*k2 + buffd[i]) -(1u << 31)) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2
*k2 + buffd[i]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + buffd[i]) -(1u <<
31))));
372 dp[0] = FROM_S32(d0)(((d0) >> 24) ^ 128);
373
374 buffd[i] = 0.0;
375 }
376
377 } else if (kh == 2) {
378
379 p2 = buff[0];
380 k0 = pk[0]; k1 = pk[1];
381
382 for (i = 0; i <= (hsize - 2); i += 2) {
383 p0 = p2;
384
385 p1 = buff[i + 1]; p2 = buff[i + 2];
386
387 d0 = D2I(p0*k0 + p1*k1 + buffd[i ])((((p0*k0 + p1*k1 + buffd[i ]) -(1u << 31)) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + buffd[i ]) -(1u
<< 31)) >= 2147483647) ? 2147483647 : (mlib_s32)((p0
*k0 + p1*k1 + buffd[i ]) -(1u << 31))));
388 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1])((((p1*k0 + p2*k1 + buffd[i + 1]) -(1u << 31)) <= (-
2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + buffd
[i + 1]) -(1u << 31)) >= 2147483647) ? 2147483647 : (
mlib_s32)((p1*k0 + p2*k1 + buffd[i + 1]) -(1u << 31))));
389
390 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
391 dp[dll] = FROM_S32(d1)(((d1) >> 24) ^ 128);
392
393 buffd[i ] = 0.0;
394 buffd[i + 1] = 0.0;
395
396 dp += 2*dll;
397 }
398
399 if (i < hsize) {
400 p0 = p2;
401 p1 = buff[i + 1];
402 d0 = D2I(p0*k0 + p1*k1 + buffd[i])((((p0*k0 + p1*k1 + buffd[i]) -(1u << 31)) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + buffd[i]) -(1u
<< 31)) >= 2147483647) ? 2147483647 : (mlib_s32)((p0
*k0 + p1*k1 + buffd[i]) -(1u << 31))));
403 dp[0] = FROM_S32(d0)(((d0) >> 24) ^ 128);
404
405 buffd[i] = 0.0;
406 }
407
408 } else /* kh == 1 */{
409
410 k0 = pk[0];
411
412 for (i = 0; i <= (hsize - 2); i += 2) {
413 p0 = buff[i]; p1 = buff[i + 1];
414
415 d0 = D2I(p0*k0 + buffd[i ])((((p0*k0 + buffd[i ]) -(1u << 31)) <= (-2147483647 -
1)) ? (-2147483647 -1) : ((((p0*k0 + buffd[i ]) -(1u <<
31)) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + buffd
[i ]) -(1u << 31))));
416 d1 = D2I(p1*k0 + buffd[i + 1])((((p1*k0 + buffd[i + 1]) -(1u << 31)) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p1*k0 + buffd[i + 1]) -(1u <<
31)) >= 2147483647) ? 2147483647 : (mlib_s32)((p1*k0 + buffd
[i + 1]) -(1u << 31))));
417
418 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
419 dp[dll] = FROM_S32(d1)(((d1) >> 24) ^ 128);
420
421 buffd[i ] = 0.0;
422 buffd[i + 1] = 0.0;
423
424 dp += 2*dll;
425 }
426
427 if (i < hsize) {
428 p0 = buff[i];
429 d0 = D2I(p0*k0 + buffd[i])((((p0*k0 + buffd[i]) -(1u << 31)) <= (-2147483647 -
1)) ? (-2147483647 -1) : ((((p0*k0 + buffd[i]) -(1u << 31
)) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + buffd
[i]) -(1u << 31))));
430 dp[0] = FROM_S32(d0)(((d0) >> 24) ^ 128);
431
432 buffd[i] = 0.0;
433 }
434 }
435
436 /* next line */
437 sl += nchannel;
438 dl += nchannel;
439 }
440 }
441
442 k_off += max_hsize;
443 adr_dst += max_hsize*dll;
444 }
445
446 if (pbuff != buff) mlib_free(pbuff);
447
448 return MLIB_SUCCESS;
449}
450
451/***************************************************************/
452mlib_status CONV_FUNC_MxNmlib_c_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask)
453{
454 DTYPEmlib_u8 *adr_src, *sl, *sp = NULL((void*)0);
455 DTYPEmlib_u8 *adr_dst, *dl, *dp = NULL((void*)0);
456 FTYPEmlib_d64 buff[BUFF_SIZE1600], *buffs_arr[2*(MAX_N15 + 1)];
457 FTYPEmlib_d64 **buffs = buffs_arr, *buffd;
458 FTYPEmlib_d64 akernel[256], *k = akernel, fscale = DSCALE(1 << 24);
459 FTYPEmlib_d64 *pbuff = buff;
460 FTYPEmlib_d64 k0, k1, k2, k3, k4, k5, k6;
461 FTYPEmlib_d64 p0, p1, p2, p3, p4, p5, p6, p7;
462 mlib_s32 *buffi;
463 mlib_s32 mn, l, off, kw, bsize, buff_ind;
464 mlib_s32 d0, d1;
465 mlib_s32 wid, hgt, sll, dll;
466 mlib_s32 nchannel, chan1, chan2;
467 mlib_s32 i, j, c, swid;
468 d64_2x32 dd;
469 mlib_status status = MLIB_SUCCESS;
470
471 GET_SRC_DST_PARAMETERS(DTYPE)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(mlib_u8); dll = mlib_ImageGetStride(dst) / sizeof
(mlib_u8); adr_src = (mlib_u8 *)mlib_ImageGetData(src); adr_dst
= (mlib_u8 *)mlib_ImageGetData(dst);
472
473 if (scale > 30) {
474 fscale *= 1.0/(1 << 30);
475 scale -= 30;
476 }
477
478 fscale /= (1 << scale);
479
480 mn = m*n;
481
482 if (mn > 256) {
483 k = mlib_malloc(mn*sizeof(mlib_d64));
484
485 if (k == NULL((void*)0)) return MLIB_FAILURE;
486 }
487
488 for (i = 0; i < mn; i++) {
489 k[i] = kernel[i]*fscale;
490 }
491
492 if (m == 1) {
493 status = mlib_ImageConv1xN_ext(dst, src, k, n, dy_t, dy_b, cmask);
494 FREE_AND_RETURN_STATUSif (pbuff != buff) mlib_free(pbuff); if (k != akernel) mlib_free
(k); return status;
495 }
496
497 swid = wid + (m - 1);
498
499 bsize = (n + 3)*swid;
500
501 if ((bsize > BUFF_SIZE1600) || (n > MAX_N15)) {
502 pbuff = mlib_malloc(sizeof(FTYPEmlib_d64)*bsize + sizeof(FTYPEmlib_d64 *)*2*(n + 1));
503
504 if (pbuff == NULL((void*)0)) {
505 status = MLIB_FAILURE;
506 FREE_AND_RETURN_STATUSif (pbuff != buff) mlib_free(pbuff); if (k != akernel) mlib_free
(k); return status;
507 }
508 buffs = (FTYPEmlib_d64 **)(pbuff + bsize);
509 }
510
511 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*swid;
512 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
513 buffd = buffs[n] + swid;
514 buffi = (mlib_s32*)(buffd + swid);
515
516 chan1 = nchannel;
517 chan2 = chan1 + chan1;
518
519 swid -= (dx_l + dx_r);
520
521 for (c = 0; c < nchannel; c++) {
522 if (!(cmask & (1 << (chan1 - 1 - c)))) continue;
523
524 sl = adr_src + c;
525 dl = adr_dst + c;
526
527 for (l = 0; l < n; l++) {
528 FTYPEmlib_d64 *buff = buffs[l];
529
530 for (i = 0; i < dx_l; i++) {
531 buff[i] = (FTYPEmlib_d64)sl[0];
532 }
533
534 for (i = 0; i < swid; i++) {
535 buff[i + dx_l] = (FTYPEmlib_d64)sl[i*chan1];
536 }
537
538 for (i = 0; i < dx_r; i++) {
539 buff[swid + dx_l + i] = buff[swid + dx_l - 1];
540 }
541
542 if ((l >= dy_t) && (l < hgt + n - dy_b - 2)) sl += sll;
543 }
544
545 buff_ind = 0;
546
547 for (i = 0; i < wid; i++) buffd[i] = 0.0;
548
549 for (j = 0; j < hgt; j++) {
550 FTYPEmlib_d64 **buffc = buffs + buff_ind;
551 FTYPEmlib_d64 *buffn = buffc[n];
552 FTYPEmlib_d64 *pk = k;
553
554 for (l = 0; l < n; l++) {
555 FTYPEmlib_d64 *buff_l = buffc[l];
556
557 for (off = 0; off < m;) {
558 FTYPEmlib_d64 *buff = buff_l + off;
559
560 kw = m - off;
561
562 if (kw > 2*MAX_KER7) kw = MAX_KER7; else
563 if (kw > MAX_KER7) kw = kw/2;
564 off += kw;
565
566 sp = sl;
567 dp = dl;
568
569 if (kw == 7) {
570
571 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
572 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
573
574 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
575 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
576
577 if (l < (n - 1) || off < m) {
578 for (i = 0; i <= (wid - 2); i += 2) {
579 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
580
581 p6 = buff[i + 6]; p7 = buff[i + 7];
582
583 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
584 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
585 }
586
587 } else {
588 for (i = 0; i <= (wid - 2); i += 2) {
589 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
590
591 p6 = buff[i + 6]; p7 = buff[i + 7];
592
593 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| ((mlib_s64)sp[0]);
594
595 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
596 buffn[i + dx_l ] = (FTYPEmlib_d64)dd.i32s.i0;
597 buffn[i + dx_l + 1] = (FTYPEmlib_d64)dd.i32s.i1;
598
599 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd
[i ]) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6
*k6 + buffd[i ]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 +
p6*k6 + buffd[i ]) -(1u << 31))));
600 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd
[i + 1]) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7
*k6 + buffd[i + 1]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 +
p7*k6 + buffd[i + 1]) -(1u << 31))));
601
602 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
603 dp[chan1] = FROM_S32(d1)(((d1) >> 24) ^ 128);
604
605 buffd[i ] = 0.0;
606 buffd[i + 1] = 0.0;
607
608 sp += chan2;
609 dp += chan2;
610 }
611 }
612
613 } else if (kw == 6) {
614
615 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
616 p5 = buff[3]; p6 = buff[4];
617
618 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
619 k4 = pk[4]; k5 = pk[5];
620
621 if (l < (n - 1) || off < m) {
622 for (i = 0; i <= (wid - 2); i += 2) {
623 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
624
625 p5 = buff[i + 5]; p6 = buff[i + 6];
626
627 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
628 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
629 }
630
631 } else {
632 for (i = 0; i <= (wid - 2); i += 2) {
633 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
634
635 p5 = buff[i + 5]; p6 = buff[i + 6];
636
637 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| ((mlib_s64)sp[0]);
638
639 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
640 buffn[i + dx_l ] = (FTYPEmlib_d64)dd.i32s.i0;
641 buffn[i + dx_l + 1] = (FTYPEmlib_d64)dd.i32s.i1;
642
643 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]
) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647 -
1) : ((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd
[i ]) -(1u << 31)) >= 2147483647) ? 2147483647 : (mlib_s32
)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ])
-(1u << 31))));
644 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i +
1]) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd
[i + 1]) -(1u << 31)) >= 2147483647) ? 2147483647 : (
mlib_s32)((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd
[i + 1]) -(1u << 31))));
645
646 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
647 dp[chan1] = FROM_S32(d1)(((d1) >> 24) ^ 128);
648
649 buffd[i ] = 0.0;
650 buffd[i + 1] = 0.0;
651
652 sp += chan2;
653 dp += chan2;
654 }
655 }
656
657 } else if (kw == 5) {
658
659 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
660 p5 = buff[3];
661
662 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
663 k4 = pk[4];
664
665 if (l < (n - 1) || off < m) {
666 for (i = 0; i <= (wid - 2); i += 2) {
667 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
668
669 p4 = buff[i + 4]; p5 = buff[i + 5];
670
671 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
672 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
673 }
674
675 } else {
676 for (i = 0; i <= (wid - 2); i += 2) {
677 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
678
679 p4 = buff[i + 4]; p5 = buff[i + 5];
680
681 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| ((mlib_s64)sp[0]);
682
683 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
684 buffn[i + dx_l ] = (FTYPEmlib_d64)dd.i32s.i0;
685 buffn[i + dx_l + 1] = (FTYPEmlib_d64)dd.i32s.i1;
686
687 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]) -(1u <<
31)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 +
p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]) -(1u << 31)
) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 +
p2*k2 + p3*k3 + p4*k4 + buffd[i ]) -(1u << 31))));
688 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]) -(1u
<< 31)) <= (-2147483647 -1)) ? (-2147483647 -1) : (
(((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]) -(1u
<< 31)) >= 2147483647) ? 2147483647 : (mlib_s32)((p1
*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]) -(1u <<
31))));
689
690 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
691 dp[chan1] = FROM_S32(d1)(((d1) >> 24) ^ 128);
692
693 buffd[i ] = 0.0;
694 buffd[i + 1] = 0.0;
695
696 sp += chan2;
697 dp += chan2;
698 }
699 }
700
701 } else if (kw == 4) {
702
703 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
704
705 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
706
707 if (l < (n - 1) || off < m) {
708 for (i = 0; i <= (wid - 2); i += 2) {
709 p0 = p2; p1 = p3; p2 = p4;
710
711 p3 = buff[i + 3]; p4 = buff[i + 4];
712
713 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
714 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
715 }
716
717 } else {
718 for (i = 0; i <= (wid - 2); i += 2) {
719 p0 = p2; p1 = p3; p2 = p4;
720
721 p3 = buff[i + 3]; p4 = buff[i + 4];
722
723 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| ((mlib_s64)sp[0]);
724
725 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
726 buffn[i + dx_l ] = (FTYPEmlib_d64)dd.i32s.i0;
727 buffn[i + dx_l + 1] = (FTYPEmlib_d64)dd.i32s.i1;
728
729 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]) -(1u << 31
)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1
*k1 + p2*k2 + p3*k3 + buffd[i ]) -(1u << 31)) >= 2147483647
) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd
[i ]) -(1u << 31))));
730 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]) -(1u <<
31)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 +
p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]) -(1u << 31)) >=
2147483647) ? 2147483647 : (mlib_s32)((p1*k0 + p2*k1 + p3*k2
+ p4*k3 + buffd[i + 1]) -(1u << 31))));
731
732 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
733 dp[chan1] = FROM_S32(d1)(((d1) >> 24) ^ 128);
734
735 buffd[i ] = 0.0;
736 buffd[i + 1] = 0.0;
737
738 sp += chan2;
739 dp += chan2;
740 }
741 }
742
743 } else if (kw == 3) {
744
745 p2 = buff[0]; p3 = buff[1];
746 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
747
748 if (l < (n - 1) || off < m) {
749 for (i = 0; i <= (wid - 2); i += 2) {
750 p0 = p2; p1 = p3;
751
752 p2 = buff[i + 2]; p3 = buff[i + 3];
753
754 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
755 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
756 }
757
758 } else {
759 for (i = 0; i <= (wid - 2); i += 2) {
760 p0 = p2; p1 = p3;
761
762 p2 = buff[i + 2]; p3 = buff[i + 3];
763
764 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| ((mlib_s64)sp[0]);
765
766 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
767 buffn[i + dx_l ] = (FTYPEmlib_d64)dd.i32s.i0;
768 buffn[i + dx_l + 1] = (FTYPEmlib_d64)dd.i32s.i1;
769
770 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + buffd[i ]) -(1u << 31)) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2
*k2 + buffd[i ]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + buffd[i ]) -(1u <<
31))));
771 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]) -(1u << 31)) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3
*k2 + buffd[i + 1]) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]) -(1u <<
31))));
772
773 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
774 dp[chan1] = FROM_S32(d1)(((d1) >> 24) ^ 128);
775
776 buffd[i ] = 0.0;
777 buffd[i + 1] = 0.0;
778
779 sp += chan2;
780 dp += chan2;
781 }
782 }
783
784 } else /* if (kw == 2) */ {
785
786 p2 = buff[0];
787 k0 = pk[0]; k1 = pk[1];
788
789 if (l < (n - 1) || off < m) {
790 for (i = 0; i <= (wid - 2); i += 2) {
791 p0 = p2;
792
793 p1 = buff[i + 1]; p2 = buff[i + 2];
794
795 buffd[i ] += p0*k0 + p1*k1;
796 buffd[i + 1] += p1*k0 + p2*k1;
797 }
798
799 } else {
800 for (i = 0; i <= (wid - 2); i += 2) {
801 p0 = p2;
802
803 p1 = buff[i + 1]; p2 = buff[i + 2];
804
805 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| ((mlib_s64)sp[0]);
806
807 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
808 buffn[i + dx_l ] = (FTYPEmlib_d64)dd.i32s.i0;
809 buffn[i + dx_l + 1] = (FTYPEmlib_d64)dd.i32s.i1;
810
811 d0 = D2I(p0*k0 + p1*k1 + buffd[i ])((((p0*k0 + p1*k1 + buffd[i ]) -(1u << 31)) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + buffd[i ]) -(1u
<< 31)) >= 2147483647) ? 2147483647 : (mlib_s32)((p0
*k0 + p1*k1 + buffd[i ]) -(1u << 31))));
812 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1])((((p1*k0 + p2*k1 + buffd[i + 1]) -(1u << 31)) <= (-
2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + buffd
[i + 1]) -(1u << 31)) >= 2147483647) ? 2147483647 : (
mlib_s32)((p1*k0 + p2*k1 + buffd[i + 1]) -(1u << 31))));
813
814 dp[0 ] = FROM_S32(d0)(((d0) >> 24) ^ 128);
815 dp[chan1] = FROM_S32(d1)(((d1) >> 24) ^ 128);
816
817 buffd[i ] = 0.0;
818 buffd[i + 1] = 0.0;
819
820 sp += chan2;
821 dp += chan2;
822 }
823 }
824 }
825
826 pk += kw;
827 }
828 }
829
830 /* last pixels */
831 for (; i < wid; i++) {
832 FTYPEmlib_d64 *pk = k, s = 0;
833 mlib_s32 x, d0;
834
835 for (l = 0; l < n; l++) {
836 FTYPEmlib_d64 *buff = buffc[l] + i;
837
838 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
839 }
840
841 d0 = D2I(s)((((s) -(1u << 31)) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((s) -(1u << 31)) >= 2147483647) ? 2147483647
: (mlib_s32)((s) -(1u << 31))));
842 dp[0] = FROM_S32(d0)(((d0) >> 24) ^ 128);
843
844 buffn[i + dx_l] = (FTYPEmlib_d64)sp[0];
845
846 sp += chan1;
847 dp += chan1;
848 }
849
850 for (; i < swid; i++) {
851 buffn[i + dx_l] = (FTYPEmlib_d64)sp[0];
852 sp += chan1;
853 }
854
855 for (i = 0; i < dx_l; i++) buffn[i] = buffn[dx_l];
856 for (i = 0; i < dx_r; i++) buffn[swid + dx_l + i] = buffn[swid + dx_l - 1];
857
858 /* next line */
859
860 if (j < hgt - dy_b - 2) sl += sll;
861 dl += dll;
862
863 buff_ind++;
864
865 if (buff_ind >= n + 1) buff_ind = 0;
866 }
867 }
868
869 FREE_AND_RETURN_STATUSif (pbuff != buff) mlib_free(pbuff); if (k != akernel) mlib_free
(k); return status;
870}
871
872/***************************************************************/
873/* for x86, using integer multiplies is faster */
874
875#define STORE_RES(res, x)x >>= shift2; if (x & 0xffffff00) { if (x < 0) res
= 0; else res = (127*2 +1); } else { res = (mlib_u8)x; } \
876 x >>= shift2; \
877 CLAMP_STORE(res, x)if (x & 0xffffff00) { if (x < 0) res = 0; else res = (
127*2 +1); } else { res = (mlib_u8)x; }
878
879mlib_status CONV_FUNC_MxN_Imlib_i_convMxNext_u8(mlib_image *dst, const mlib_image *src, const
mlib_s32 *kernel, mlib_s32 m, mlib_s32 n, mlib_s32 dx_l, mlib_s32
dx_r, mlib_s32 dy_t, mlib_s32 dy_b, mlib_s32 scale, mlib_s32
cmask)
880{
881 DTYPEmlib_u8 *adr_src, *sl, *sp = NULL((void*)0);
882 DTYPEmlib_u8 *adr_dst, *dl, *dp = NULL((void*)0);
883 mlib_s32 buff[BUFF_SIZE1600], *buffs_arr[2*(MAX_N15 + 1)];
884 mlib_s32 *pbuff = buff;
885 mlib_s32 **buffs = buffs_arr, *buffd;
886 mlib_s32 l, off, kw, bsize, buff_ind;
887 mlib_s32 d0, d1, shift1, shift2;
888 mlib_s32 k0, k1, k2, k3, k4, k5, k6;
889 mlib_s32 p0, p1, p2, p3, p4, p5, p6, p7;
890 mlib_s32 wid, hgt, sll, dll;
891 mlib_s32 nchannel, chan1;
892 mlib_s32 i, j, c, swid;
893 mlib_s32 chan2;
894 mlib_s32 k_locl[MAX_N15*MAX_N15], *k = k_locl;
895 GET_SRC_DST_PARAMETERS(DTYPE)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(mlib_u8); dll = mlib_ImageGetStride(dst) / sizeof
(mlib_u8); adr_src = (mlib_u8 *)mlib_ImageGetData(src); adr_dst
= (mlib_u8 *)mlib_ImageGetData(dst);
896
897#if IMG_TYPE1 != 1
898 shift1 = 16;
899#else
900 shift1 = 8;
901#endif /* IMG_TYPE != 1 */
902 shift2 = scale - shift1;
903
904 chan1 = nchannel;
905 chan2 = chan1 + chan1;
906
907 swid = wid + (m - 1);
908
909 bsize = (n + 2)*swid;
910
911 if ((bsize > BUFF_SIZE1600) || (n > MAX_N15)) {
912 pbuff = mlib_malloc(sizeof(mlib_s32)*bsize + sizeof(mlib_s32 *)*2*(n + 1));
913
914 if (pbuff == NULL((void*)0)) return MLIB_FAILURE;
915 buffs = (mlib_s32 **)(pbuff + bsize);
916 }
917
918 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*swid;
919 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
920 buffd = buffs[n] + swid;
921
922 if (m*n > MAX_N15*MAX_N15) {
923 k = mlib_malloc(sizeof(mlib_s32)*(m*n));
924
925 if (k == NULL((void*)0)) {
926 if (pbuff != buff) mlib_free(pbuff);
927 return MLIB_FAILURE;
928 }
929 }
930
931 for (i = 0; i < m*n; i++) {
932 k[i] = kernel[i] >> shift1;
933 }
934
935 swid -= (dx_l + dx_r);
936
937 for (c = 0; c < nchannel; c++) {
938 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
939
940 sl = adr_src + c;
941 dl = adr_dst + c;
942
943 for (l = 0; l < n; l++) {
944 mlib_s32 *buff = buffs[l];
945
946 for (i = 0; i < dx_l; i++) {
947 buff[i] = (mlib_s32)sl[0];
948 }
949
950 for (i = 0; i < swid; i++) {
951 buff[i + dx_l] = (mlib_s32)sl[i*chan1];
952 }
953
954 for (i = 0; i < dx_r; i++) {
955 buff[swid + dx_l + i] = buff[swid + dx_l - 1];
956 }
957
958 if ((l >= dy_t) && (l < hgt + n - dy_b - 2)) sl += sll;
959 }
960
961 buff_ind = 0;
962
963 for (i = 0; i < wid; i++) buffd[i] = 0;
964
965 for (j = 0; j < hgt; j++) {
966 mlib_s32 **buffc = buffs + buff_ind;
967 mlib_s32 *buffn = buffc[n];
968 mlib_s32 *pk = k;
969
970 for (l = 0; l < n; l++) {
971 mlib_s32 *buff_l = buffc[l];
972
973 for (off = 0; off < m;) {
974 mlib_s32 *buff = buff_l + off;
975
976 sp = sl;
977 dp = dl;
978
979 kw = m - off;
980
981 if (kw > 2*MAX_KER7) kw = MAX_KER7; else
982 if (kw > MAX_KER7) kw = kw/2;
983 off += kw;
984
985 if (kw == 7) {
986
987 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
988 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
989
990 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
991 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
992
993 if (l < (n - 1) || off < m) {
994 for (i = 0; i <= (wid - 2); i += 2) {
995 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
996
997 p6 = buff[i + 6]; p7 = buff[i + 7];
998
999 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
1000 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
1001 }
1002
1003 } else {
1004 for (i = 0; i <= (wid - 2); i += 2) {
1005 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
1006
1007 p6 = buff[i + 6]; p7 = buff[i + 7];
1008
1009 buffn[i + dx_l ] = (mlib_s32)sp[0];
1010 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1011
1012 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]);
1013 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]);
1014
1015 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1016 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1017
1018 buffd[i ] = 0;
1019 buffd[i + 1] = 0;
1020
1021 sp += chan2;
1022 dp += chan2;
1023 }
1024 }
1025
1026 } else if (kw == 6) {
1027
1028 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1029 p5 = buff[3]; p6 = buff[4];
1030
1031 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1032 k4 = pk[4]; k5 = pk[5];
1033
1034 if (l < (n - 1) || off < m) {
1035 for (i = 0; i <= (wid - 2); i += 2) {
1036 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
1037
1038 p5 = buff[i + 5]; p6 = buff[i + 6];
1039
1040 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
1041 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
1042 }
1043
1044 } else {
1045 for (i = 0; i <= (wid - 2); i += 2) {
1046 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
1047
1048 p5 = buff[i + 5]; p6 = buff[i + 6];
1049
1050 buffn[i + dx_l ] = (mlib_s32)sp[0];
1051 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1052
1053 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]);
1054 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]);
1055
1056 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1057 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1058
1059 buffd[i ] = 0;
1060 buffd[i + 1] = 0;
1061
1062 sp += chan2;
1063 dp += chan2;
1064 }
1065 }
1066
1067 } else if (kw == 5) {
1068
1069 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1070 p5 = buff[3];
1071
1072 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1073 k4 = pk[4];
1074
1075 if (l < (n - 1) || off < m) {
1076 for (i = 0; i <= (wid - 2); i += 2) {
1077 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
1078
1079 p4 = buff[i + 4]; p5 = buff[i + 5];
1080
1081 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
1082 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
1083 }
1084
1085 } else {
1086 for (i = 0; i <= (wid - 2); i += 2) {
1087 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
1088
1089 p4 = buff[i + 4]; p5 = buff[i + 5];
1090
1091 buffn[i + dx_l ] = (mlib_s32)sp[0];
1092 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1093
1094 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]);
1095 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]);
1096
1097 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1098 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1099
1100 buffd[i ] = 0;
1101 buffd[i + 1] = 0;
1102
1103 sp += chan2;
1104 dp += chan2;
1105 }
1106 }
1107
1108 } else if (kw == 4) {
1109
1110 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
1111
1112 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
1113
1114 if (l < (n - 1) || off < m) {
1115 for (i = 0; i <= (wid - 2); i += 2) {
1116 p0 = p2; p1 = p3; p2 = p4;
1117
1118 p3 = buff[i + 3]; p4 = buff[i + 4];
1119
1120 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
1121 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
1122 }
1123
1124 } else {
1125 for (i = 0; i <= (wid - 2); i += 2) {
1126 p0 = p2; p1 = p3; p2 = p4;
1127
1128 p3 = buff[i + 3]; p4 = buff[i + 4];
1129
1130 buffn[i + dx_l ] = (mlib_s32)sp[0];
1131 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1132
1133 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
1134 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
1135
1136 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1137 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1138
1139 buffd[i ] = 0;
1140 buffd[i + 1] = 0;
1141
1142 sp += chan2;
1143 dp += chan2;
1144 }
1145 }
1146
1147 } else if (kw == 3) {
1148
1149 p2 = buff[0]; p3 = buff[1];
1150 k0 = pk[0]; k1 = pk[1]; k2 = pk[2];
1151
1152 if (l < (n - 1) || off < m) {
1153 for (i = 0; i <= (wid - 2); i += 2) {
1154 p0 = p2; p1 = p3;
1155
1156 p2 = buff[i + 2]; p3 = buff[i + 3];
1157
1158 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
1159 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
1160 }
1161
1162 } else {
1163 for (i = 0; i <= (wid - 2); i += 2) {
1164 p0 = p2; p1 = p3;
1165
1166 p2 = buff[i + 2]; p3 = buff[i + 3];
1167
1168 buffn[i + dx_l ] = (mlib_s32)sp[0];
1169 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1170
1171 d0 = (p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
1172 d1 = (p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
1173
1174 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1175 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1176
1177 buffd[i ] = 0;
1178 buffd[i + 1] = 0;
1179
1180 sp += chan2;
1181 dp += chan2;
1182 }
1183 }
1184
1185 } else if (kw == 2) {
1186
1187 p2 = buff[0];
1188 k0 = pk[0]; k1 = pk[1];
1189
1190 if (l < (n - 1) || off < m) {
1191 for (i = 0; i <= (wid - 2); i += 2) {
1192 p0 = p2;
1193
1194 p1 = buff[i + 1]; p2 = buff[i + 2];
1195
1196 buffd[i ] += p0*k0 + p1*k1;
1197 buffd[i + 1] += p1*k0 + p2*k1;
1198 }
1199
1200 } else {
1201 for (i = 0; i <= (wid - 2); i += 2) {
1202 p0 = p2;
1203
1204 p1 = buff[i + 1]; p2 = buff[i + 2];
1205
1206 buffn[i + dx_l ] = (mlib_s32)sp[0];
1207 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1208
1209 d0 = (p0*k0 + p1*k1 + buffd[i ]);
1210 d1 = (p1*k0 + p2*k1 + buffd[i + 1]);
1211
1212 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1213 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1214
1215 buffd[i ] = 0;
1216 buffd[i + 1] = 0;
1217
1218 sp += chan2;
1219 dp += chan2;
1220 }
1221 }
1222
1223 } else /* kw == 1 */{
1224
1225 k0 = pk[0];
1226
1227 if (l < (n - 1) || off < m) {
1228 for (i = 0; i <= (wid - 2); i += 2) {
1229 p0 = buff[i]; p1 = buff[i + 1];
1230
1231 buffd[i ] += p0*k0;
1232 buffd[i + 1] += p1*k0;
1233 }
1234
1235 } else {
1236 for (i = 0; i <= (wid - 2); i += 2) {
1237 p0 = buff[i]; p1 = buff[i + 1];
1238
1239 buffn[i + dx_l ] = (mlib_s32)sp[0];
1240 buffn[i + dx_l + 1] = (mlib_s32)sp[chan1];
1241
1242 d0 = (p0*k0 + buffd[i ]);
1243 d1 = (p1*k0 + buffd[i + 1]);
1244
1245 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 & 0xffffff00) { if (d0 < 0
) dp[0 ] = 0; else dp[0 ] = (127*2 +1); } else { dp[0 ] = (mlib_u8
)d0; };
1246 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 & 0xffffff00) { if (d1 < 0
) dp[chan1] = 0; else dp[chan1] = (127*2 +1); } else { dp[chan1
] = (mlib_u8)d1; };
1247
1248 buffd[i ] = 0;
1249 buffd[i + 1] = 0;
1250
1251 sp += chan2;
1252 dp += chan2;
1253 }
1254 }
1255 }
1256
1257 pk += kw;
1258 }
1259 }
1260
1261 /* last pixels */
1262 for (; i < wid; i++) {
1263 mlib_s32 *pk = k, x, s = 0;
1264
1265 for (l = 0; l < n; l++) {
1266 mlib_s32 *buff = buffc[l] + i;
1267
1268 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
1269 }
1270
1271 STORE_RES(dp[0], s)s >>= shift2; if (s & 0xffffff00) { if (s < 0) dp
[0] = 0; else dp[0] = (127*2 +1); } else { dp[0] = (mlib_u8)s
; };
1272
1273 buffn[i + dx_l] = (mlib_s32)sp[0];
1274
1275 sp += chan1;
1276 dp += chan1;
1277 }
1278
1279 for (; i < swid; i++) {
1280 buffn[i + dx_l] = (mlib_s32)sp[0];
1281 sp += chan1;
1282 }
1283
1284 for (i = 0; i < dx_l; i++) buffn[i] = buffn[dx_l];
1285 for (i = 0; i < dx_r; i++) buffn[swid + dx_l + i] = buffn[swid + dx_l - 1];
1286
1287 /* next line */
1288
1289 if (j < hgt - dy_b - 2) sl += sll;
1290 dl += dll;
1291
1292 buff_ind++;
1293
1294 if (buff_ind >= n + 1) buff_ind = 0;
1295 }
1296 }
1297
1298 if (pbuff != buff) mlib_free(pbuff);
1299 if (k != k_locl) mlib_free(k);
1300
1301 return MLIB_SUCCESS;
1302}
1303
1304/***************************************************************/