Bug Summary

File:jdk/src/java.desktop/share/native/libmlib_image/mlib_ImageConv_16nw.c
Warning:line 537, column 26
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_16nw.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_16nw.c
1/*
2 * Copyright (c) 2000, 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 types and
30 * MLIB_EDGE_DST_NO_WRITE mask
31 */
32
33#include "mlib_image.h"
34#include "mlib_c_ImageConv.h"
35
36/*
37 This define switches between functions of different data types
38*/
39#define IMG_TYPE2 2
40
41/***************************************************************/
42#if IMG_TYPE2 == 1
43
44#define DTYPEmlib_s16 mlib_u8
45#define CONV_FUNC(KERN)mlib_convKERNnw_s16 mlib_c_conv##KERN##nw_u8
46#define CONV_FUNC_I(KERN)mlib_i_convKERNnw_s16 mlib_i_conv##KERN##nw_u8
47#define DSCALE65536.0 (1 << 24)
48#define FROM_S32(x)((x) >> 16) (((x) >> 24) ^ 128)
49#define S64TOS32(x)((x) & 0xffffffff) (x)
50#define SAT_OFF -(1u << 31)
51
52#elif IMG_TYPE2 == 2
53
54#define DTYPEmlib_s16 mlib_s16
55#define CONV_FUNC(KERN)mlib_convKERNnw_s16 mlib_conv##KERN##nw_s16
56#define CONV_FUNC_I(KERN)mlib_i_convKERNnw_s16 mlib_i_conv##KERN##nw_s16
57#define DSCALE65536.0 65536.0
58#define FROM_S32(x)((x) >> 16) ((x) >> 16)
59#define S64TOS32(x)((x) & 0xffffffff) ((x) & 0xffffffff)
60#define SAT_OFF
61
62#elif IMG_TYPE2 == 3
63
64#define DTYPEmlib_s16 mlib_u16
65#define CONV_FUNC(KERN)mlib_convKERNnw_s16 mlib_conv##KERN##nw_u16
66#define CONV_FUNC_I(KERN)mlib_i_convKERNnw_s16 mlib_i_conv##KERN##nw_u16
67#define DSCALE65536.0 65536.0
68#define FROM_S32(x)((x) >> 16) (((x) >> 16) ^ 0x8000)
69#define S64TOS32(x)((x) & 0xffffffff) (x)
70#define SAT_OFF -(1u << 31)
71
72#endif /* IMG_TYPE == 1 */
73
74/***************************************************************/
75#define BUFF_SIZE1600 1600
76
77#define CACHE_SIZE(64*1024) (64*1024)
78
79/***************************************************************/
80#define FTYPEmlib_d64 mlib_d64
81
82#ifndef MLIB_USE_FTOI_CLAMPING
83
84#define CLAMP_S32(x)(((x) <= (-2147483647 -1)) ? (-2147483647 -1) : (((x) >=
2147483647) ? 2147483647 : (mlib_s32)(x))) \
85 (((x) <= MLIB_S32_MIN(-2147483647 -1)) ? MLIB_S32_MIN(-2147483647 -1) : (((x) >= MLIB_S32_MAX2147483647) ? MLIB_S32_MAX2147483647 : (mlib_s32)(x)))
86
87#else
88
89#define CLAMP_S32(x)(((x) <= (-2147483647 -1)) ? (-2147483647 -1) : (((x) >=
2147483647) ? 2147483647 : (mlib_s32)(x))) ((mlib_s32)(x))
90
91#endif /* MLIB_USE_FTOI_CLAMPING */
92
93/***************************************************************/
94#define D2I(x)((((x)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((x)) >=
2147483647) ? 2147483647 : (mlib_s32)((x)))) CLAMP_S32((x) SAT_OFF)((((x)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((x)) >=
2147483647) ? 2147483647 : (mlib_s32)((x))))
95
96/***************************************************************/
97#ifdef _LITTLE_ENDIAN1
98
99#define STORE2(res0, res1)dp[0 ] = res1; dp[chan1] = res0 \
100 dp[0 ] = res1; \
101 dp[chan1] = res0
102
103#else
104
105#define STORE2(res0, res1)dp[0 ] = res1; dp[chan1] = res0 \
106 dp[0 ] = res0; \
107 dp[chan1] = res1
108
109#endif /* _LITTLE_ENDIAN */
110
111/***************************************************************/
112#ifdef _NO_LONGLONG
113
114#define LOAD_BUFF(buff)*(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) |
(((mlib_s64)sp[0]) & 0xffffffff) \
115 buff[i ] = sp[0]; \
116 buff[i + 1] = sp[chan1]
117
118#else /* _NO_LONGLONG */
119
120#ifdef _LITTLE_ENDIAN1
121
122#define LOAD_BUFF(buff)*(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) |
(((mlib_s64)sp[0]) & 0xffffffff) \
123 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) | S64TOS32((mlib_s64)sp[0])(((mlib_s64)sp[0]) & 0xffffffff)
124
125#else /* _LITTLE_ENDIAN */
126
127#define LOAD_BUFF(buff)*(mlib_s64*)(buff + i) = (((mlib_s64)sp[chan1]) << 32) |
(((mlib_s64)sp[0]) & 0xffffffff) \
128 *(mlib_s64*)(buff + i) = (((mlib_s64)sp[0]) << 32) | S64TOS32((mlib_s64)sp[chan1])(((mlib_s64)sp[chan1]) & 0xffffffff)
129
130#endif /* _LITTLE_ENDIAN */
131#endif /* _NO_LONGLONG */
132
133/***************************************************************/
134typedef union {
135 mlib_d64 d64;
136 struct {
137 mlib_s32 i0;
138 mlib_s32 i1;
139 } i32s;
140 struct {
141 mlib_s32 f0;
142 mlib_s32 f1;
143 } f32s;
144} d64_2x32;
145
146/***************************************************************/
147#define DEF_VARS(type)type *adr_src, *sl, *sp = ((void*)0); type *adr_dst, *dl, *dp
= ((void*)0); mlib_d64 *pbuff = buff; mlib_s32 wid, hgt, sll
, dll; mlib_s32 nchannel, chan1; mlib_s32 i, j, c \
148 type *adr_src, *sl, *sp = NULL((void*)0); \
149 type *adr_dst, *dl, *dp = NULL((void*)0); \
150 FTYPEmlib_d64 *pbuff = buff; \
151 mlib_s32 wid, hgt, sll, dll; \
152 mlib_s32 nchannel, chan1; \
153 mlib_s32 i, j, c
154
155/***************************************************************/
156#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) \
157 hgt = mlib_ImageGetHeight(src); \
158 wid = mlib_ImageGetWidth(src); \
159 nchannel = mlib_ImageGetChannels(src); \
160 sll = mlib_ImageGetStride(src) / sizeof(type); \
161 dll = mlib_ImageGetStride(dst) / sizeof(type); \
162 adr_src = (type *)mlib_ImageGetData(src); \
163 adr_dst = (type *)mlib_ImageGetData(dst)
164
165/***************************************************************/
166#if IMG_TYPE2 == 1
167
168/* Test for the presence of any "1" bit in bits
169 8 to 31 of val. If present, then val is either
170 negative or >255. If over/underflows of 8 bits
171 are uncommon, then this technique can be a win,
172 since only a single test, rather than two, is
173 necessary to determine if clamping is needed.
174 On the other hand, if over/underflows are common,
175 it adds an extra test.
176*/
177#define CLAMP_STORE(dst, val)if (val >= 32767) dst = 32767; else if (val <= (-32767 -
1)) dst = (-32767 -1); else dst = (mlib_s16)val \
178 if (val & 0xffffff00) { \
179 if (val < MLIB_U8_MIN0) \
180 dst = MLIB_U8_MIN0; \
181 else \
182 dst = MLIB_U8_MAX(127*2 +1); \
183 } else { \
184 dst = (mlib_u8)val; \
185 }
186
187#elif IMG_TYPE2 == 2
188
189#define CLAMP_STORE(dst, val)if (val >= 32767) dst = 32767; else if (val <= (-32767 -
1)) dst = (-32767 -1); else dst = (mlib_s16)val \
190 if (val >= MLIB_S16_MAX32767) \
191 dst = MLIB_S16_MAX32767; \
192 else if (val <= MLIB_S16_MIN(-32767 -1)) \
193 dst = MLIB_S16_MIN(-32767 -1); \
194 else \
195 dst = (mlib_s16)val
196
197#elif IMG_TYPE2 == 3
198
199#define CLAMP_STORE(dst, val)if (val >= 32767) dst = 32767; else if (val <= (-32767 -
1)) dst = (-32767 -1); else dst = (mlib_s16)val \
200 if (val >= MLIB_U16_MAX(32767 *2 +1)) \
201 dst = MLIB_U16_MAX(32767 *2 +1); \
202 else if (val <= MLIB_U16_MIN0) \
203 dst = MLIB_U16_MIN0; \
204 else \
205 dst = (mlib_u16)val
206
207#endif /* IMG_TYPE == 1 */
208
209/***************************************************************/
210#define MAX_KER7 7
211#define MAX_N15 15
212
213static mlib_status mlib_ImageConv1xN(mlib_image *dst,
214 const mlib_image *src,
215 const mlib_d64 *k,
216 mlib_s32 n,
217 mlib_s32 dn,
218 mlib_s32 cmask)
219{
220 FTYPEmlib_d64 buff[BUFF_SIZE1600];
221 mlib_s32 off, kh;
222 mlib_s32 d0, d1;
223 const FTYPEmlib_d64 *pk;
224 FTYPEmlib_d64 k0, k1, k2, k3;
225 FTYPEmlib_d64 p0, p1, p2, p3, p4;
226 DEF_VARS(DTYPE)mlib_s16 *adr_src, *sl, *sp = ((void*)0); mlib_s16 *adr_dst, *
dl, *dp = ((void*)0); mlib_d64 *pbuff = buff; mlib_s32 wid, hgt
, sll, dll; mlib_s32 nchannel, chan1; mlib_s32 i, j, c;
227 DTYPEmlib_s16 *sl_c, *dl_c, *sl0;
228 mlib_s32 l, hsize, max_hsize;
229 GET_SRC_DST_PARAMETERS(DTYPE)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(mlib_s16); dll = mlib_ImageGetStride(dst) / sizeof
(mlib_s16); adr_src = (mlib_s16 *)mlib_ImageGetData(src); adr_dst
= (mlib_s16 *)mlib_ImageGetData(dst);
230
231 hgt -= (n - 1);
232 adr_dst += dn*dll;
233
234 max_hsize = (CACHE_SIZE(64*1024)/sizeof(DTYPEmlib_s16))/sll;
235
236 if (!max_hsize) max_hsize = 1;
237
238 if (max_hsize > BUFF_SIZE1600) {
239 pbuff = mlib_malloc(sizeof(FTYPEmlib_d64)*max_hsize);
240 }
241
242 chan1 = nchannel;
243
244 sl_c = adr_src;
245 dl_c = adr_dst;
246
247 for (l = 0; l < hgt; l += hsize) {
248 hsize = hgt - l;
249
250 if (hsize > max_hsize) hsize = max_hsize;
251
252 for (c = 0; c < nchannel; c++) {
253 if (!(cmask & (1 << (chan1 - 1 - c)))) continue;
254
255 sl = sl_c + c;
256 dl = dl_c + c;
257
258 for (j = 0; j < hsize; j++) pbuff[j] = 0.0;
259
260 for (i = 0; i < wid; i++) {
261 sl0 = sl;
262
263 for (off = 0; off < (n - 4); off += 4) {
264 pk = k + off;
265 sp = sl0;
266
267 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
268 p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll];
269 sp += 3*sll;
270
271 for (j = 0; j < hsize; j += 2) {
272 p0 = p2; p1 = p3; p2 = p4;
273 p3 = sp[0];
274 p4 = sp[sll];
275
276 pbuff[j ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
277 pbuff[j + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
278
279 sp += 2*sll;
280 }
281
282 sl0 += 4*sll;
283 }
284
285 pk = k + off;
286 sp = sl0;
287
288 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
289 p2 = sp[0]; p3 = sp[sll]; p4 = sp[2*sll];
290
291 dp = dl;
292 kh = n - off;
293
294 if (kh == 4) {
295 sp += 3*sll;
296
297 for (j = 0; j <= (hsize - 2); j += 2) {
298 p0 = p2; p1 = p3; p2 = p4;
299 p3 = sp[0];
300 p4 = sp[sll];
301
302 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2*k2 + p3*k3 +
pbuff[j])) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0
+ p1*k1 + p2*k2 + p3*k3 + pbuff[j]))));
303 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + pbuff[j + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + pbuff[j + 1])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3*k2 + p4*k3 +
pbuff[j + 1])) >= 2147483647) ? 2147483647 : (mlib_s32)((
p1*k0 + p2*k1 + p3*k2 + p4*k3 + pbuff[j + 1]))));
304
305 dp[0 ] = FROM_S32(d0)((d0) >> 16);
306 dp[dll] = FROM_S32(d1)((d1) >> 16);
307
308 pbuff[j] = 0;
309 pbuff[j + 1] = 0;
310
311 sp += 2*sll;
312 dp += 2*dll;
313 }
314
315 if (j < hsize) {
316 p0 = p2; p1 = p3; p2 = p4;
317 p3 = sp[0];
318
319 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + pbuff[j])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2*k2 + p3*k3 +
pbuff[j])) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0
+ p1*k1 + p2*k2 + p3*k3 + pbuff[j]))));
320
321 pbuff[j] = 0;
322
323 dp[0] = FROM_S32(d0)((d0) >> 16);
324 }
325
326 } else if (kh == 3) {
327 sp += 2*sll;
328
329 for (j = 0; j <= (hsize - 2); j += 2) {
330 p0 = p2; p1 = p3;
331 p2 = sp[0];
332 p3 = sp[sll];
333
334 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + pbuff[j])((((p0*k0 + p1*k1 + p2*k2 + pbuff[j])) <= (-2147483647 -1)
) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2*k2 + pbuff[j]))
>= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 +
p2*k2 + pbuff[j]))));
335 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + pbuff[j + 1])((((p1*k0 + p2*k1 + p3*k2 + pbuff[j + 1])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3*k2 + pbuff[
j + 1])) >= 2147483647) ? 2147483647 : (mlib_s32)((p1*k0 +
p2*k1 + p3*k2 + pbuff[j + 1]))));
336
337 dp[0 ] = FROM_S32(d0)((d0) >> 16);
338 dp[dll] = FROM_S32(d1)((d1) >> 16);
339
340 pbuff[j] = 0;
341 pbuff[j + 1] = 0;
342
343 sp += 2*sll;
344 dp += 2*dll;
345 }
346
347 if (j < hsize) {
348 p0 = p2; p1 = p3;
349 p2 = sp[0];
350
351 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + pbuff[j])((((p0*k0 + p1*k1 + p2*k2 + pbuff[j])) <= (-2147483647 -1)
) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2*k2 + pbuff[j]))
>= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 +
p2*k2 + pbuff[j]))));
352
353 pbuff[j] = 0;
354
355 dp[0] = FROM_S32(d0)((d0) >> 16);
356 }
357
358 } else if (kh == 2) {
359 sp += sll;
360
361 for (j = 0; j <= (hsize - 2); j += 2) {
362 p0 = p2;
363 p1 = sp[0];
364 p2 = sp[sll];
365
366 d0 = D2I(p0*k0 + p1*k1 + pbuff[j])((((p0*k0 + p1*k1 + pbuff[j])) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p0*k0 + p1*k1 + pbuff[j])) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + pbuff[j]))));
367 d1 = D2I(p1*k0 + p2*k1 + pbuff[j + 1])((((p1*k0 + p2*k1 + pbuff[j + 1])) <= (-2147483647 -1)) ? (
-2147483647 -1) : ((((p1*k0 + p2*k1 + pbuff[j + 1])) >= 2147483647
) ? 2147483647 : (mlib_s32)((p1*k0 + p2*k1 + pbuff[j + 1]))));
368
369 dp[0 ] = FROM_S32(d0)((d0) >> 16);
370 dp[dll] = FROM_S32(d1)((d1) >> 16);
371
372 pbuff[j] = 0;
373 pbuff[j + 1] = 0;
374
375 sp += 2*sll;
376 dp += 2*dll;
377 }
378
379 if (j < hsize) {
380 p0 = p2;
381 p1 = sp[0];
382
383 d0 = D2I(p0*k0 + p1*k1 + pbuff[j])((((p0*k0 + p1*k1 + pbuff[j])) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p0*k0 + p1*k1 + pbuff[j])) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + pbuff[j]))));
384
385 pbuff[j] = 0;
386
387 dp[0] = FROM_S32(d0)((d0) >> 16);
388 }
389
390 } else /* if (kh == 1) */ {
391 for (j = 0; j < hsize; j++) {
392 p0 = sp[0];
393
394 d0 = D2I(p0*k0 + pbuff[j])((((p0*k0 + pbuff[j])) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p0*k0 + pbuff[j])) >= 2147483647) ? 2147483647 :
(mlib_s32)((p0*k0 + pbuff[j]))));
395
396 dp[0] = FROM_S32(d0)((d0) >> 16);
397
398 pbuff[j] = 0;
399
400 sp += sll;
401 dp += dll;
402 }
403 }
404
405 sl += chan1;
406 dl += chan1;
407 }
408 }
409
410 sl_c += max_hsize*sll;
411 dl_c += max_hsize*dll;
412 }
413
414 if (pbuff != buff) mlib_free(pbuff);
415
416 return MLIB_SUCCESS;
417}
418
419/***************************************************************/
420mlib_status CONV_FUNC(MxN)mlib_convMxNnw_s16(mlib_image *dst,
421 const mlib_image *src,
422 const mlib_s32 *kernel,
423 mlib_s32 m,
424 mlib_s32 n,
425 mlib_s32 dm,
426 mlib_s32 dn,
427 mlib_s32 scale,
428 mlib_s32 cmask)
429{
430 FTYPEmlib_d64 buff[BUFF_SIZE1600], *buffs_arr[2*(MAX_N15 + 1)];
431 FTYPEmlib_d64 **buffs = buffs_arr, *buffd;
432 FTYPEmlib_d64 akernel[256], *k = akernel, fscale = DSCALE65536.0;
433 mlib_s32 mn, l, off, kw, bsize, buff_ind;
434 mlib_s32 d0, d1;
435 FTYPEmlib_d64 k0, k1, k2, k3, k4, k5, k6;
436 FTYPEmlib_d64 p0, p1, p2, p3, p4, p5, p6, p7;
437 d64_2x32 dd;
438 DEF_VARS(DTYPE)mlib_s16 *adr_src, *sl, *sp = ((void*)0); mlib_s16 *adr_dst, *
dl, *dp = ((void*)0); mlib_d64 *pbuff = buff; mlib_s32 wid, hgt
, sll, dll; mlib_s32 nchannel, chan1; mlib_s32 i, j, c;
439 mlib_s32 chan2;
440 mlib_s32 *buffo, *buffi;
441 mlib_status status = MLIB_SUCCESS;
442
443 GET_SRC_DST_PARAMETERS(DTYPE)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(mlib_s16); dll = mlib_ImageGetStride(dst) / sizeof
(mlib_s16); adr_src = (mlib_s16 *)mlib_ImageGetData(src); adr_dst
= (mlib_s16 *)mlib_ImageGetData(dst);
444
445 if (scale > 30) {
1
Assuming 'scale' is <= 30
→
2
←
Taking false branch
→
446 fscale *= 1.0/(1 << 30);
447 scale -= 30;
448 }
449
450 fscale /= (1 << scale);
451
452 mn = m*n;
453
454 if (mn > 256) {
3
←
Assuming 'mn' is <= 256
→
4
←
Taking false branch
→
455 k = mlib_malloc(mn*sizeof(mlib_d64));
456
457 if (k == NULL((void*)0)) return MLIB_FAILURE;
458 }
459
460 for (i = 0; i < mn; i++) {
5
←
Assuming 'i' is < 'mn'
→
6
←
Loop condition is true. Entering loop body
→
7
←
Assuming 'i' is >= 'mn'
→
8
←
Loop condition is false. Execution continues on line 464
→
461 k[i] = kernel[i]*fscale;
462 }
463
464 if (m == 1) {
9
←
Assuming 'm' is not equal to 1
→
10
←
Taking false branch
→
465 status = mlib_ImageConv1xN(dst, src, k, n, dn, cmask);
466 FREE_AND_RETURN_STATUSif (pbuff != buff) mlib_free(pbuff); if (k != akernel) mlib_free
(k); return status;
467 }
468
469 bsize = (n + 3)*wid;
470
471 if ((bsize > BUFF_SIZE1600) || (n > MAX_N15)) {
11
←
Assuming 'bsize' is > BUFF_SIZE
→
472 pbuff = mlib_malloc(sizeof(FTYPEmlib_d64)*bsize + sizeof(FTYPEmlib_d64 *)*2*(n + 1));
473
474 if (pbuff == NULL((void*)0)) {
12
←
Assuming 'pbuff' is not equal to NULL
→
13
←
Taking false branch
→
475 status = MLIB_FAILURE;
476 FREE_AND_RETURN_STATUSif (pbuff != buff) mlib_free(pbuff); if (k != akernel) mlib_free
(k); return status;
477 }
478 buffs = (FTYPEmlib_d64 **)(pbuff + bsize);
479 }
480
481 for (l = 0; l < (n + 1); l++) buffs[l] = pbuff + l*wid;
14
←
Assuming the condition is true
→
15
←
Loop condition is true. Entering loop body
→
16
←
Assuming the condition is true
→
17
←
Loop condition is true. Entering loop body
→
18
←
Assuming the condition is false
→
19
←
Loop condition is false. Execution continues on line 482
→
482 for (l = 0; l < (n + 1); l++) buffs[l + (n + 1)] = buffs[l];
20
←
Loop condition is true. Entering loop body
→
21
←
Loop condition is true. Entering loop body
→
22
←
Loop condition is false. Execution continues on line 483
→
483 buffd = buffs[n] + wid;
484 buffo = (mlib_s32*)(buffd + wid);
485 buffi = buffo + (wid &~ 1);
486
487 chan1 = nchannel;
488 chan2 = chan1 + chan1;
489
490 wid -= (m - 1);
491 hgt -= (n - 1);
492 adr_dst += dn*dll + dm*nchannel;
493
494 for (c = 0; c < nchannel; c++) {
23
←
Assuming 'c' is < 'nchannel'
→
24
←
Loop condition is true. Entering loop body
→
495 if (!(cmask & (1 << (chan1 - 1 - c)))) continue;
25
←
Assuming the condition is false
→
26
←
Taking false branch
→
496
497 sl = adr_src + c;
498 dl = adr_dst + c;
499
500 for (l = 0; l < n; l++) {
27
←
Loop condition is true. Entering loop body
→
30
←
Loop condition is false. Execution continues on line 510
→
501 FTYPEmlib_d64 *buff = buffs[l];
502
503 for (i = 0; i < wid + (m - 1); i++) {
28
←
Assuming the condition is false
→
29
←
Loop condition is false. Execution continues on line 507
→
504 buff[i] = (FTYPEmlib_d64)sl[i*chan1];
505 }
506
507 sl += sll;
508 }
509
510 buff_ind = 0;
511
512 for (i = 0; i < wid; i++) buffd[i] = 0.0;
31
←
Assuming 'i' is >= 'wid'
→
32
←
Loop condition is false. Execution continues on line 514
→
513
514 for (j = 0; j < hgt; j++) {
33
←
Assuming 'j' is < 'hgt'
→
34
←
Loop condition is true. Entering loop body
→
515 FTYPEmlib_d64 **buffc = buffs + buff_ind;
516 FTYPEmlib_d64 *buffn = buffc[n];
517 FTYPEmlib_d64 *pk = k;
518
519 for (l = 0; l < n; l++) {
35
←
Loop condition is true. Entering loop body
→
520 FTYPEmlib_d64 *buff_l = buffc[l];
521
522 for (off = 0; off < m;) {
36
←
Assuming 'off' is < 'm'
→
37
←
Loop condition is true. Entering loop body
→
523 FTYPEmlib_d64 *buff = buff_l + off;
524
525 kw = m - off;
526
527 if (kw > 2*MAX_KER7) kw = MAX_KER7; else
38
←
Assuming the condition is false
→
39
←
Taking false branch
→
528 if (kw > MAX_KER7) kw = kw/2;
40
←
Assuming 'kw' is <= MAX_KER
→
41
←
Taking false branch
→
529 off += kw;
530
531 sp = sl;
532 dp = dl;
533
534 p2 = buff[0]; p3 = buff[1]; p4 = buff[2];
535 p5 = buff[3]; p6 = buff[4]; p7 = buff[5];
536
537 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
42
←
Assigned value is garbage or undefined
538 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
539 pk += kw;
540
541 if (kw == 7) {
542
543 if (l < (n - 1) || off < m) {
544 for (i = 0; i <= (wid - 2); i += 2) {
545 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
546
547 p6 = buff[i + 6]; p7 = buff[i + 7];
548
549 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
550 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
551 }
552
553 } else {
554 for (i = 0; i <= (wid - 2); i += 2) {
555 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
556
557 p6 = buff[i + 6]; p7 = buff[i + 7];
558
559 LOAD_BUFF(buffi)*(mlib_s64*)(buffi + i) = (((mlib_s64)sp[chan1]) << 32)
| (((mlib_s64)sp[0]) & 0xffffffff);
560
561 dd.d64 = *(FTYPEmlib_d64 *)(buffi + i);
562 buffn[i ] = (FTYPEmlib_d64)dd.i32s.i0;
563 buffn[i + 1] = (FTYPEmlib_d64)dd.i32s.i1;
564
565 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 ])) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0
+ p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ])
) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 +
p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]))));
566 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])) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p1
*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i
+ 1])) >= 2147483647) ? 2147483647 : (mlib_s32)((p1*k0 + p2
*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1])))
);
567
568 dp[0 ] = FROM_S32(d0)((d0) >> 16);
569 dp[chan1] = FROM_S32(d1)((d1) >> 16);
570
571 buffd[i ] = 0.0;
572 buffd[i + 1] = 0.0;
573
574 sp += chan2;
575 dp += chan2;
576 }
577 }
578
579 } else if (kw == 6) {
580
581 if (l < (n - 1) || off < m) {
582 for (i = 0; i <= (wid - 2); i += 2) {
583 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
584
585 p5 = buff[i + 5]; p6 = buff[i + 6];
586
587 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
588 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
589 }
590
591 } else {
592 for (i = 0; i <= (wid - 2); i += 2) {
593 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
594
595 p5 = buff[i + 5]; p6 = buff[i + 6];
596
597 buffn[i ] = (FTYPEmlib_d64)sp[0];
598 buffn[i + 1] = (FTYPEmlib_d64)sp[chan1];
599
600 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 ]
)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1
*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ])) >= 2147483647
) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4
*k4 + p5*k5 + buffd[i ]))));
601 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])) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 +
p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1])) >=
2147483647) ? 2147483647 : (mlib_s32)((p1*k0 + p2*k1 + p3*k2
+ p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]))));
602
603 dp[0 ] = FROM_S32(d0)((d0) >> 16);
604 dp[chan1] = FROM_S32(d1)((d1) >> 16);
605
606 buffd[i ] = 0.0;
607 buffd[i + 1] = 0.0;
608
609 sp += chan2;
610 dp += chan2;
611 }
612 }
613
614 } else if (kw == 5) {
615
616 if (l < (n - 1) || off < m) {
617 for (i = 0; i <= (wid - 2); i += 2) {
618 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
619
620 p4 = buff[i + 4]; p5 = buff[i + 5];
621
622 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
623 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
624 }
625
626 } else {
627 for (i = 0; i <= (wid - 2); i += 2) {
628 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
629
630 p4 = buff[i + 4]; p5 = buff[i + 5];
631
632 buffn[i ] = (FTYPEmlib_d64)sp[0];
633 buffn[i + 1] = (FTYPEmlib_d64)sp[chan1];
634
635 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 ])) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2
*k2 + p3*k3 + p4*k4 + buffd[i ])) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[
i ]))));
636 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])) <=
(-2147483647 -1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3
*k2 + p4*k3 + p5*k4 + buffd[i + 1])) >= 2147483647) ? 2147483647
: (mlib_s32)((p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[
i + 1]))));
637
638 dp[0 ] = FROM_S32(d0)((d0) >> 16);
639 dp[chan1] = FROM_S32(d1)((d1) >> 16);
640
641 buffd[i ] = 0.0;
642 buffd[i + 1] = 0.0;
643
644 sp += chan2;
645 dp += chan2;
646 }
647 }
648
649 } else if (kw == 4) {
650
651 if (l < (n - 1) || off < m) {
652 for (i = 0; i <= (wid - 2); i += 2) {
653 p0 = p2; p1 = p3; p2 = p4;
654
655 p3 = buff[i + 3]; p4 = buff[i + 4];
656
657 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
658 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
659 }
660
661 } else {
662 for (i = 0; i <= (wid - 2); i += 2) {
663 p0 = p2; p1 = p3; p2 = p4;
664
665 p3 = buff[i + 3]; p4 = buff[i + 4];
666
667 buffn[i ] = (FTYPEmlib_d64)sp[0];
668 buffn[i + 1] = (FTYPEmlib_d64)sp[chan1];
669
670 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2*k2 + p3*k3 +
buffd[i ])) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*
k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]))));
671 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3*k2 + p4*k3 +
buffd[i + 1])) >= 2147483647) ? 2147483647 : (mlib_s32)((
p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]))));
672
673 dp[0 ] = FROM_S32(d0)((d0) >> 16);
674 dp[chan1] = FROM_S32(d1)((d1) >> 16);
675
676 buffd[i ] = 0.0;
677 buffd[i + 1] = 0.0;
678
679 sp += chan2;
680 dp += chan2;
681 }
682 }
683
684 } else if (kw == 3) {
685
686 if (l < (n - 1) || off < m) {
687 for (i = 0; i <= (wid - 2); i += 2) {
688 p0 = p2; p1 = p3;
689
690 p2 = buff[i + 2]; p3 = buff[i + 3];
691
692 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
693 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
694 }
695
696 } else {
697 for (i = 0; i <= (wid - 2); i += 2) {
698 p0 = p2; p1 = p3;
699
700 p2 = buff[i + 2]; p3 = buff[i + 3];
701
702 buffn[i ] = (FTYPEmlib_d64)sp[0];
703 buffn[i + 1] = (FTYPEmlib_d64)sp[chan1];
704
705 d0 = D2I(p0*k0 + p1*k1 + p2*k2 + buffd[i ])((((p0*k0 + p1*k1 + p2*k2 + buffd[i ])) <= (-2147483647 -1
)) ? (-2147483647 -1) : ((((p0*k0 + p1*k1 + p2*k2 + buffd[i ]
)) >= 2147483647) ? 2147483647 : (mlib_s32)((p0*k0 + p1*k1
+ p2*k2 + buffd[i ]))));
706 d1 = D2I(p1*k0 + p2*k1 + p3*k2 + buffd[i + 1])((((p1*k0 + p2*k1 + p3*k2 + buffd[i + 1])) <= (-2147483647
-1)) ? (-2147483647 -1) : ((((p1*k0 + p2*k1 + p3*k2 + buffd[
i + 1])) >= 2147483647) ? 2147483647 : (mlib_s32)((p1*k0 +
p2*k1 + p3*k2 + buffd[i + 1]))));
707
708 dp[0 ] = FROM_S32(d0)((d0) >> 16);
709 dp[chan1] = FROM_S32(d1)((d1) >> 16);
710
711 buffd[i ] = 0.0;
712 buffd[i + 1] = 0.0;
713
714 sp += chan2;
715 dp += chan2;
716 }
717 }
718
719 } else /*if (kw == 2)*/ {
720
721 if (l < (n - 1) || off < m) {
722 for (i = 0; i <= (wid - 2); i += 2) {
723 p0 = p2;
724
725 p1 = buff[i + 1]; p2 = buff[i + 2];
726
727 buffd[i ] += p0*k0 + p1*k1;
728 buffd[i + 1] += p1*k0 + p2*k1;
729 }
730
731 } else {
732 for (i = 0; i <= (wid - 2); i += 2) {
733 p0 = p2;
734
735 p1 = buff[i + 1]; p2 = buff[i + 2];
736
737 buffn[i ] = (FTYPEmlib_d64)sp[0];
738 buffn[i + 1] = (FTYPEmlib_d64)sp[chan1];
739
740 d0 = D2I(p0*k0 + p1*k1 + buffd[i ])((((p0*k0 + p1*k1 + buffd[i ])) <= (-2147483647 -1)) ? (-2147483647
-1) : ((((p0*k0 + p1*k1 + buffd[i ])) >= 2147483647) ? 2147483647
: (mlib_s32)((p0*k0 + p1*k1 + buffd[i ]))));
741 d1 = D2I(p1*k0 + p2*k1 + buffd[i + 1])((((p1*k0 + p2*k1 + buffd[i + 1])) <= (-2147483647 -1)) ? (
-2147483647 -1) : ((((p1*k0 + p2*k1 + buffd[i + 1])) >= 2147483647
) ? 2147483647 : (mlib_s32)((p1*k0 + p2*k1 + buffd[i + 1]))));
742
743 dp[0 ] = FROM_S32(d0)((d0) >> 16);
744 dp[chan1] = FROM_S32(d1)((d1) >> 16);
745
746 buffd[i ] = 0.0;
747 buffd[i + 1] = 0.0;
748
749 sp += chan2;
750 dp += chan2;
751 }
752 }
753 }
754 }
755 }
756
757 /* last pixels */
758 for (; i < wid; i++) {
759 FTYPEmlib_d64 *pk = k, s = 0;
760 mlib_s32 x, d0;
761
762 for (l = 0; l < n; l++) {
763 FTYPEmlib_d64 *buff = buffc[l] + i;
764
765 for (x = 0; x < m; x++) s += buff[x] * (*pk++);
766 }
767
768 d0 = D2I(s)((((s)) <= (-2147483647 -1)) ? (-2147483647 -1) : ((((s)) >=
2147483647) ? 2147483647 : (mlib_s32)((s))));
769 dp[0] = FROM_S32(d0)((d0) >> 16);
770
771 buffn[i] = (FTYPEmlib_d64)sp[0];
772
773 sp += chan1;
774 dp += chan1;
775 }
776
777 for (l = 0; l < (m - 1); l++) buffn[wid + l] = sp[l*chan1];
778
779 /* next line */
780 sl += sll;
781 dl += dll;
782
783 buff_ind++;
784
785 if (buff_ind >= n + 1) buff_ind = 0;
786 }
787 }
788
789 FREE_AND_RETURN_STATUSif (pbuff != buff) mlib_free(pbuff); if (k != akernel) mlib_free
(k); return status;
790}
791
792/***************************************************************/
793/* for x86, using integer multiplies is faster */
794
795#define STORE_RES(res, x)x >>= shift2; if (x >= 32767) res = 32767; else if (
x <= (-32767 -1)) res = (-32767 -1); else res = (mlib_s16)
x \
796 x >>= shift2; \
797 CLAMP_STORE(res, x)if (x >= 32767) res = 32767; else if (x <= (-32767 -1))
res = (-32767 -1); else res = (mlib_s16)x
798
799mlib_status CONV_FUNC_I(MxN)mlib_i_convMxNnw_s16(mlib_image *dst,
800 const mlib_image *src,
801 const mlib_s32 *kernel,
802 mlib_s32 m,
803 mlib_s32 n,
804 mlib_s32 dm,
805 mlib_s32 dn,
806 mlib_s32 scale,
807 mlib_s32 cmask)
808{
809 mlib_s32 buff[BUFF_SIZE1600], *buffd = buff;
810 mlib_s32 l, off, kw;
811 mlib_s32 d0, d1, shift1, shift2;
812 mlib_s32 k0, k1, k2, k3, k4, k5, k6;
813 mlib_s32 p0, p1, p2, p3, p4, p5, p6, p7;
814 DTYPEmlib_s16 *adr_src, *sl, *sp = NULL((void*)0);
815 DTYPEmlib_s16 *adr_dst, *dl, *dp = NULL((void*)0);
816 mlib_s32 wid, hgt, sll, dll;
817 mlib_s32 nchannel, chan1;
818 mlib_s32 i, j, c;
819 mlib_s32 chan2;
820 mlib_s32 k_locl[MAX_N15*MAX_N15], *k = k_locl;
821 GET_SRC_DST_PARAMETERS(DTYPE)hgt = mlib_ImageGetHeight(src); wid = mlib_ImageGetWidth(src)
; nchannel = mlib_ImageGetChannels(src); sll = mlib_ImageGetStride
(src) / sizeof(mlib_s16); dll = mlib_ImageGetStride(dst) / sizeof
(mlib_s16); adr_src = (mlib_s16 *)mlib_ImageGetData(src); adr_dst
= (mlib_s16 *)mlib_ImageGetData(dst);
822
823#if IMG_TYPE2 != 1
824 shift1 = 16;
825#else
826 shift1 = 8;
827#endif /* IMG_TYPE != 1 */
828 shift2 = scale - shift1;
829
830 chan1 = nchannel;
831 chan2 = chan1 + chan1;
832
833 wid -= (m - 1);
834 hgt -= (n - 1);
835 adr_dst += dn*dll + dm*nchannel;
836
837 if (wid > BUFF_SIZE1600) {
838 buffd = mlib_malloc(sizeof(mlib_s32)*wid);
839
840 if (buffd == NULL((void*)0)) return MLIB_FAILURE;
841 }
842
843 if (m*n > MAX_N15*MAX_N15) {
844 k = mlib_malloc(sizeof(mlib_s32)*(m*n));
845
846 if (k == NULL((void*)0)) {
847 if (buffd != buff) mlib_free(buffd);
848 return MLIB_FAILURE;
849 }
850 }
851
852 for (i = 0; i < m*n; i++) {
853 k[i] = kernel[i] >> shift1;
854 }
855
856 for (c = 0; c < nchannel; c++) {
857 if (!(cmask & (1 << (nchannel - 1 - c)))) continue;
858
859 sl = adr_src + c;
860 dl = adr_dst + c;
861
862 for (i = 0; i < wid; i++) buffd[i] = 0;
863
864 for (j = 0; j < hgt; j++) {
865 mlib_s32 *pk = k;
866
867 for (l = 0; l < n; l++) {
868 DTYPEmlib_s16 *sp0 = sl + l*sll;
869
870 for (off = 0; off < m;) {
871 sp = sp0 + off*chan1;
872 dp = dl;
873
874 kw = m - off;
875
876 if (kw > 2*MAX_KER7) kw = MAX_KER7; else
877 if (kw > MAX_KER7) kw = kw/2;
878 off += kw;
879
880 p2 = sp[0]; p3 = sp[chan1]; p4 = sp[chan2];
881 p5 = sp[chan2 + chan1]; p6 = sp[chan2 + chan2]; p7 = sp[5*chan1];
882
883 k0 = pk[0]; k1 = pk[1]; k2 = pk[2]; k3 = pk[3];
884 k4 = pk[4]; k5 = pk[5]; k6 = pk[6];
885 pk += kw;
886
887 sp += (kw - 1)*chan1;
888
889 if (kw == 7) {
890
891 if (l < (n - 1) || off < m) {
892 for (i = 0; i <= (wid - 2); i += 2) {
893 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
894 p6 = sp[0];
895 p7 = sp[chan1];
896
897 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6;
898 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6;
899
900 sp += chan2;
901 }
902
903 } else {
904 for (i = 0; i <= (wid - 2); i += 2) {
905 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6; p5 = p7;
906 p6 = sp[0];
907 p7 = sp[chan1];
908
909 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + p6*k6 + buffd[i ]);
910 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + p7*k6 + buffd[i + 1]);
911
912 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
913 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
914
915 buffd[i ] = 0;
916 buffd[i + 1] = 0;
917
918 sp += chan2;
919 dp += chan2;
920 }
921 }
922
923 } else if (kw == 6) {
924
925 if (l < (n - 1) || off < m) {
926 for (i = 0; i <= (wid - 2); i += 2) {
927 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
928 p5 = sp[0];
929 p6 = sp[chan1];
930
931 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5;
932 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5;
933
934 sp += chan2;
935 }
936
937 } else {
938 for (i = 0; i <= (wid - 2); i += 2) {
939 p0 = p2; p1 = p3; p2 = p4; p3 = p5; p4 = p6;
940 p5 = sp[0];
941 p6 = sp[chan1];
942
943 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + p5*k5 + buffd[i ]);
944 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + p6*k5 + buffd[i + 1]);
945
946 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
947 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
948
949 buffd[i ] = 0;
950 buffd[i + 1] = 0;
951
952 sp += chan2;
953 dp += chan2;
954 }
955 }
956
957 } else if (kw == 5) {
958
959 if (l < (n - 1) || off < m) {
960 for (i = 0; i <= (wid - 2); i += 2) {
961 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
962 p4 = sp[0];
963 p5 = sp[chan1];
964
965 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4;
966 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4;
967
968 sp += chan2;
969 }
970
971 } else {
972 for (i = 0; i <= (wid - 2); i += 2) {
973 p0 = p2; p1 = p3; p2 = p4; p3 = p5;
974 p4 = sp[0];
975 p5 = sp[chan1];
976
977 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + p4*k4 + buffd[i ]);
978 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + p5*k4 + buffd[i + 1]);
979
980 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
981 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
982
983 buffd[i ] = 0;
984 buffd[i + 1] = 0;
985
986 sp += chan2;
987 dp += chan2;
988 }
989 }
990
991 } else if (kw == 4) {
992
993 if (l < (n - 1) || off < m) {
994 for (i = 0; i <= (wid - 2); i += 2) {
995 p0 = p2; p1 = p3; p2 = p4;
996 p3 = sp[0];
997 p4 = sp[chan1];
998
999 buffd[i ] += p0*k0 + p1*k1 + p2*k2 + p3*k3;
1000 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2 + p4*k3;
1001
1002 sp += chan2;
1003 }
1004
1005 } else {
1006 for (i = 0; i <= (wid - 2); i += 2) {
1007 p0 = p2; p1 = p3; p2 = p4;
1008 p3 = sp[0];
1009 p4 = sp[chan1];
1010
1011 d0 = (p0*k0 + p1*k1 + p2*k2 + p3*k3 + buffd[i ]);
1012 d1 = (p1*k0 + p2*k1 + p3*k2 + p4*k3 + buffd[i + 1]);
1013
1014 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
1015 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
1016
1017 buffd[i ] = 0;
1018 buffd[i + 1] = 0;
1019
1020 sp += chan2;
1021 dp += chan2;
1022 }
1023 }
1024
1025 } else if (kw == 3) {
1026
1027 if (l < (n - 1) || off < m) {
1028 for (i = 0; i <= (wid - 2); i += 2) {
1029 p0 = p2; p1 = p3;
1030 p2 = sp[0];
1031 p3 = sp[chan1];
1032
1033 buffd[i ] += p0*k0 + p1*k1 + p2*k2;
1034 buffd[i + 1] += p1*k0 + p2*k1 + p3*k2;
1035
1036 sp += chan2;
1037 }
1038
1039 } else {
1040 for (i = 0; i <= (wid - 2); i += 2) {
1041 p0 = p2; p1 = p3;
1042 p2 = sp[0];
1043 p3 = sp[chan1];
1044
1045 d0 = (p0*k0 + p1*k1 + p2*k2 + buffd[i ]);
1046 d1 = (p1*k0 + p2*k1 + p3*k2 + buffd[i + 1]);
1047
1048 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
1049 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
1050
1051 buffd[i ] = 0;
1052 buffd[i + 1] = 0;
1053
1054 sp += chan2;
1055 dp += chan2;
1056 }
1057 }
1058
1059 } else if (kw == 2) {
1060
1061 if (l < (n - 1) || off < m) {
1062 for (i = 0; i <= (wid - 2); i += 2) {
1063 p0 = p2;
1064 p1 = sp[0];
1065 p2 = sp[chan1];
1066
1067 buffd[i ] += p0*k0 + p1*k1;
1068 buffd[i + 1] += p1*k0 + p2*k1;
1069
1070 sp += chan2;
1071 }
1072
1073 } else {
1074 for (i = 0; i <= (wid - 2); i += 2) {
1075 p0 = p2;
1076 p1 = sp[0];
1077 p2 = sp[chan1];
1078
1079 d0 = (p0*k0 + p1*k1 + buffd[i ]);
1080 d1 = (p1*k0 + p2*k1 + buffd[i + 1]);
1081
1082 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
1083 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
1084
1085 buffd[i ] = 0;
1086 buffd[i + 1] = 0;
1087
1088 sp += chan2;
1089 dp += chan2;
1090 }
1091 }
1092
1093 } else /*if (kw == 1)*/ {
1094
1095 if (l < (n - 1) || off < m) {
1096 for (i = 0; i <= (wid - 2); i += 2) {
1097 p0 = sp[0];
1098 p1 = sp[chan1];
1099
1100 buffd[i ] += p0*k0;
1101 buffd[i + 1] += p1*k0;
1102
1103 sp += chan2;
1104 }
1105
1106 } else {
1107 for (i = 0; i <= (wid - 2); i += 2) {
1108 p0 = sp[0];
1109 p1 = sp[chan1];
1110
1111 d0 = (p0*k0 + buffd[i ]);
1112 d1 = (p1*k0 + buffd[i + 1]);
1113
1114 STORE_RES(dp[0 ], d0)d0 >>= shift2; if (d0 >= 32767) dp[0 ] = 32767; else
if (d0 <= (-32767 -1)) dp[0 ] = (-32767 -1); else dp[0 ] =
(mlib_s16)d0;
1115 STORE_RES(dp[chan1], d1)d1 >>= shift2; if (d1 >= 32767) dp[chan1] = 32767; else
if (d1 <= (-32767 -1)) dp[chan1] = (-32767 -1); else dp[chan1
] = (mlib_s16)d1;
1116
1117 buffd[i ] = 0;
1118 buffd[i + 1] = 0;
1119
1120 sp += chan2;
1121 dp += chan2;
1122 }
1123 }
1124 }
1125 }
1126 }
1127
1128 /* last pixels */
1129 for (; i < wid; i++) {
1130 mlib_s32 *pk = k, s = 0;
1131 mlib_s32 x;
1132
1133 for (l = 0; l < n; l++) {
1134 sp = sl + l*sll + i*chan1;
1135
1136 for (x = 0; x < m; x++) {
1137 s += sp[0] * pk[0];
1138 sp += chan1;
1139 pk ++;
1140 }
1141 }
1142
1143 STORE_RES(dp[0], s)s >>= shift2; if (s >= 32767) dp[0] = 32767; else if
(s <= (-32767 -1)) dp[0] = (-32767 -1); else dp[0] = (mlib_s16
)s;
1144
1145 sp += chan1;
1146 dp += chan1;
1147 }
1148
1149 sl += sll;
1150 dl += dll;
1151 }
1152 }
1153
1154 if (buffd != buff) mlib_free(buffd);
1155 if (k != k_locl) mlib_free(k);
1156
1157 return MLIB_SUCCESS;
1158}
1159
1160/***************************************************************/