FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavcodec/x86/dirac_dwt_init.c
Date: 2024-04-26 14:42:52
Exec Total Coverage
Lines: 4 42 9.5%
Functions: 1 9 11.1%
Branches: 1 17 5.9%
Line Branch Exec Source
1 /*
2 * x86 optimized discrete wavelet transform
3 * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
4 * Copyright (c) 2010 David Conrad
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23 #include "libavutil/x86/asm.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/dirac_dwt.h"
26
27 #define COMPOSE_VERTICAL(ext, align) \
28 void ff_vertical_compose53iL0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int width); \
29 void ff_vertical_compose_dirac53iH0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int width); \
30 void ff_vertical_compose_dd137iL0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int16_t *b3, int16_t *b4, int width); \
31 void ff_vertical_compose_dd97iH0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int16_t *b3, int16_t *b4, int width); \
32 void ff_vertical_compose_haar##ext(int16_t *b0, int16_t *b1, int width); \
33 void ff_horizontal_compose_haar0i##ext(int16_t *b, int16_t *tmp, int w);\
34 void ff_horizontal_compose_haar1i##ext(int16_t *b, int16_t *tmp, int w);\
35 \
36 static void vertical_compose53iL0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width) \
37 { \
38 int i, width_align = width&~(align-1); \
39 int16_t *b0 = (int16_t *)_b0; \
40 int16_t *b1 = (int16_t *)_b1; \
41 int16_t *b2 = (int16_t *)_b2; \
42 \
43 for(i=width_align; i<width; i++) \
44 b1[i] = COMPOSE_53iL0(b0[i], b1[i], b2[i]); \
45 \
46 ff_vertical_compose53iL0##ext(b0, b1, b2, width_align); \
47 } \
48 \
49 static void vertical_compose_dirac53iH0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width) \
50 { \
51 int i, width_align = width&~(align-1); \
52 int16_t *b0 = (int16_t *)_b0; \
53 int16_t *b1 = (int16_t *)_b1; \
54 int16_t *b2 = (int16_t *)_b2; \
55 \
56 for(i=width_align; i<width; i++) \
57 b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]); \
58 \
59 ff_vertical_compose_dirac53iH0##ext(b0, b1, b2, width_align); \
60 } \
61 \
62 static void vertical_compose_dd137iL0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, \
63 uint8_t *_b3, uint8_t *_b4, int width) \
64 { \
65 int i, width_align = width&~(align-1); \
66 int16_t *b0 = (int16_t *)_b0; \
67 int16_t *b1 = (int16_t *)_b1; \
68 int16_t *b2 = (int16_t *)_b2; \
69 int16_t *b3 = (int16_t *)_b3; \
70 int16_t *b4 = (int16_t *)_b4; \
71 \
72 for(i=width_align; i<width; i++) \
73 b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]); \
74 \
75 ff_vertical_compose_dd137iL0##ext(b0, b1, b2, b3, b4, width_align); \
76 } \
77 \
78 static void vertical_compose_dd97iH0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, \
79 uint8_t *_b3, uint8_t *_b4, int width) \
80 { \
81 int i, width_align = width&~(align-1); \
82 int16_t *b0 = (int16_t *)_b0; \
83 int16_t *b1 = (int16_t *)_b1; \
84 int16_t *b2 = (int16_t *)_b2; \
85 int16_t *b3 = (int16_t *)_b3; \
86 int16_t *b4 = (int16_t *)_b4; \
87 \
88 for(i=width_align; i<width; i++) \
89 b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]); \
90 \
91 ff_vertical_compose_dd97iH0##ext(b0, b1, b2, b3, b4, width_align); \
92 } \
93 static void vertical_compose_haar##ext(uint8_t *_b0, uint8_t *_b1, int width) \
94 { \
95 int i, width_align = width&~(align-1); \
96 int16_t *b0 = (int16_t *)_b0; \
97 int16_t *b1 = (int16_t *)_b1; \
98 \
99 for(i=width_align; i<width; i++) { \
100 b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]); \
101 b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]); \
102 } \
103 \
104 ff_vertical_compose_haar##ext(b0, b1, width_align); \
105 } \
106 static void horizontal_compose_haar0i##ext(uint8_t *_b, uint8_t *_tmp, int w)\
107 {\
108 int w2= w>>1;\
109 int x= w2 - (w2&(align-1));\
110 int16_t *b = (int16_t *)_b; \
111 int16_t *tmp = (int16_t *)_tmp; \
112 \
113 ff_horizontal_compose_haar0i##ext(b, tmp, w);\
114 \
115 for (; x < w2; x++) {\
116 b[2*x ] = tmp[x];\
117 b[2*x+1] = COMPOSE_HAARiH0(b[x+w2], tmp[x]);\
118 }\
119 }\
120 static void horizontal_compose_haar1i##ext(uint8_t *_b, uint8_t *_tmp, int w)\
121 {\
122 int w2= w>>1;\
123 int x= w2 - (w2&(align-1));\
124 int16_t *b = (int16_t *)_b; \
125 int16_t *tmp = (int16_t *)_tmp; \
126 \
127 ff_horizontal_compose_haar1i##ext(b, tmp, w);\
128 \
129 for (; x < w2; x++) {\
130 b[2*x ] = (tmp[x] + 1)>>1;\
131 b[2*x+1] = (COMPOSE_HAARiH0(b[x+w2], tmp[x]) + 1)>>1;\
132 }\
133 }\
134 \
135
136 #if HAVE_X86ASM
137 ✗ COMPOSE_VERTICAL(_sse2, 8)
138
139
140 void ff_horizontal_compose_dd97i_ssse3(int16_t *_b, int16_t *_tmp, int w);
141
142 ✗ static void horizontal_compose_dd97i_ssse3(uint8_t *_b, uint8_t *_tmp, int w)
143 {
144 ✗ int w2= w>>1;
145 ✗ int x= w2 - (w2&7);
146 ✗ int16_t *b = (int16_t *)_b;
147 ✗ int16_t *tmp = (int16_t *)_tmp;
148
149 ✗ ff_horizontal_compose_dd97i_ssse3(b, tmp, w);
150
151 ✗ for (; x < w2; x++) {
152 ✗ b[2*x ] = (tmp[x] + 1)>>1;
153 ✗ b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
154 }
155 ✗ }
156 #endif
157
158 348 void ff_spatial_idwt_init_x86(DWTContext *d, enum dwt_type type)
159 {
160 #if HAVE_X86ASM
161 348 int mm_flags = av_get_cpu_flags();
162
163
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 348 if (!(mm_flags & AV_CPU_FLAG_SSE2))
164 348 return;
165
166 ✗ switch (type) {
167 ✗ case DWT_DIRAC_DD9_7:
168 ✗ d->vertical_compose_l0.tap3 = vertical_compose53iL0_sse2;
169 ✗ d->vertical_compose_h0.tap5 = vertical_compose_dd97iH0_sse2;
170 ✗ break;
171 ✗ case DWT_DIRAC_LEGALL5_3:
172 ✗ d->vertical_compose_l0.tap3 = vertical_compose53iL0_sse2;
173 ✗ d->vertical_compose_h0.tap3 = vertical_compose_dirac53iH0_sse2;
174 ✗ break;
175 ✗ case DWT_DIRAC_DD13_7:
176 ✗ d->vertical_compose_l0.tap5 = vertical_compose_dd137iL0_sse2;
177 ✗ d->vertical_compose_h0.tap5 = vertical_compose_dd97iH0_sse2;
178 ✗ break;
179 ✗ case DWT_DIRAC_HAAR0:
180 ✗ d->vertical_compose = vertical_compose_haar_sse2;
181 ✗ d->horizontal_compose = horizontal_compose_haar0i_sse2;
182 ✗ break;
183 ✗ case DWT_DIRAC_HAAR1:
184 ✗ d->vertical_compose = vertical_compose_haar_sse2;
185 ✗ d->horizontal_compose = horizontal_compose_haar1i_sse2;
186 ✗ break;
187 }
188
189 ✗ if (!(mm_flags & AV_CPU_FLAG_SSSE3))
190 ✗ return;
191
192 ✗ switch (type) {
193 ✗ case DWT_DIRAC_DD9_7:
194 ✗ d->horizontal_compose = horizontal_compose_dd97i_ssse3;
195 ✗ break;
196 }
197 #endif // HAVE_X86ASM
198 }
199