Commit | Line | Data |
---|---|---|
63881df9 | 1 | /* |
e07d46e7 | 2 | * v4l2-tpg-core.c - Test Pattern Generator |
63881df9 HV |
3 | * |
4 | * Note: gen_twopix and tpg_gen_text are based on code from vivi.c. See the | |
5 | * vivi.c source for the copyright information of those functions. | |
6 | * | |
7 | * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved. | |
8 | * | |
9 | * This program is free software; you may redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
14 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
15 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
16 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
17 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
18 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
20 | * SOFTWARE. | |
21 | */ | |
22 | ||
e07d46e7 HMKF |
23 | #include <linux/module.h> |
24 | #include <media/v4l2-tpg.h> | |
63881df9 HV |
25 | |
26 | /* Must remain in sync with enum tpg_pattern */ | |
27 | const char * const tpg_pattern_strings[] = { | |
28 | "75% Colorbar", | |
29 | "100% Colorbar", | |
30 | "CSC Colorbar", | |
31 | "Horizontal 100% Colorbar", | |
32 | "100% Color Squares", | |
33 | "100% Black", | |
34 | "100% White", | |
35 | "100% Red", | |
36 | "100% Green", | |
37 | "100% Blue", | |
38 | "16x16 Checkers", | |
1a05d313 | 39 | "2x2 Checkers", |
63881df9 | 40 | "1x1 Checkers", |
1a05d313 HV |
41 | "2x2 Red/Green Checkers", |
42 | "1x1 Red/Green Checkers", | |
63881df9 HV |
43 | "Alternating Hor Lines", |
44 | "Alternating Vert Lines", | |
45 | "One Pixel Wide Cross", | |
46 | "Two Pixels Wide Cross", | |
47 | "Ten Pixels Wide Cross", | |
48 | "Gray Ramp", | |
49 | "Noise", | |
50 | NULL | |
51 | }; | |
e07d46e7 | 52 | EXPORT_SYMBOL_GPL(tpg_pattern_strings); |
63881df9 HV |
53 | |
54 | /* Must remain in sync with enum tpg_aspect */ | |
55 | const char * const tpg_aspect_strings[] = { | |
56 | "Source Width x Height", | |
57 | "4x3", | |
58 | "14x9", | |
59 | "16x9", | |
60 | "16x9 Anamorphic", | |
61 | NULL | |
62 | }; | |
e07d46e7 | 63 | EXPORT_SYMBOL_GPL(tpg_aspect_strings); |
63881df9 HV |
64 | |
65 | /* | |
66 | * Sine table: sin[0] = 127 * sin(-180 degrees) | |
67 | * sin[128] = 127 * sin(0 degrees) | |
68 | * sin[256] = 127 * sin(180 degrees) | |
69 | */ | |
70 | static const s8 sin[257] = { | |
71 | 0, -4, -7, -11, -13, -18, -20, -22, -26, -29, -33, -35, -37, -41, -43, -48, | |
72 | -50, -52, -56, -58, -62, -63, -65, -69, -71, -75, -76, -78, -82, -83, -87, -88, | |
73 | -90, -93, -94, -97, -99, -101, -103, -104, -107, -108, -110, -111, -112, -114, -115, -117, | |
74 | -118, -119, -120, -121, -122, -123, -123, -124, -125, -125, -126, -126, -127, -127, -127, -127, | |
75 | -127, -127, -127, -127, -126, -126, -125, -125, -124, -124, -123, -122, -121, -120, -119, -118, | |
76 | -117, -116, -114, -113, -111, -110, -109, -107, -105, -103, -101, -100, -97, -96, -93, -91, | |
77 | -90, -87, -85, -82, -80, -76, -75, -73, -69, -67, -63, -62, -60, -56, -54, -50, | |
78 | -48, -46, -41, -39, -35, -33, -31, -26, -24, -20, -18, -15, -11, -9, -4, -2, | |
79 | 0, 2, 4, 9, 11, 15, 18, 20, 24, 26, 31, 33, 35, 39, 41, 46, | |
80 | 48, 50, 54, 56, 60, 62, 64, 67, 69, 73, 75, 76, 80, 82, 85, 87, | |
81 | 90, 91, 93, 96, 97, 100, 101, 103, 105, 107, 109, 110, 111, 113, 114, 116, | |
82 | 117, 118, 119, 120, 121, 122, 123, 124, 124, 125, 125, 126, 126, 127, 127, 127, | |
83 | 127, 127, 127, 127, 127, 126, 126, 125, 125, 124, 123, 123, 122, 121, 120, 119, | |
84 | 118, 117, 115, 114, 112, 111, 110, 108, 107, 104, 103, 101, 99, 97, 94, 93, | |
85 | 90, 88, 87, 83, 82, 78, 76, 75, 71, 69, 65, 64, 62, 58, 56, 52, | |
86 | 50, 48, 43, 41, 37, 35, 33, 29, 26, 22, 20, 18, 13, 11, 7, 4, | |
87 | 0, | |
88 | }; | |
89 | ||
90 | #define cos(idx) sin[((idx) + 64) % sizeof(sin)] | |
91 | ||
92 | /* Global font descriptor */ | |
93 | static const u8 *font8x16; | |
94 | ||
95 | void tpg_set_font(const u8 *f) | |
96 | { | |
97 | font8x16 = f; | |
98 | } | |
e07d46e7 | 99 | EXPORT_SYMBOL_GPL(tpg_set_font); |
63881df9 HV |
100 | |
101 | void tpg_init(struct tpg_data *tpg, unsigned w, unsigned h) | |
102 | { | |
103 | memset(tpg, 0, sizeof(*tpg)); | |
104 | tpg->scaled_width = tpg->src_width = w; | |
105 | tpg->src_height = tpg->buf_height = h; | |
106 | tpg->crop.width = tpg->compose.width = w; | |
107 | tpg->crop.height = tpg->compose.height = h; | |
108 | tpg->recalc_colors = true; | |
109 | tpg->recalc_square_border = true; | |
110 | tpg->brightness = 128; | |
111 | tpg->contrast = 128; | |
112 | tpg->saturation = 128; | |
113 | tpg->hue = 0; | |
114 | tpg->mv_hor_mode = TPG_MOVE_NONE; | |
115 | tpg->mv_vert_mode = TPG_MOVE_NONE; | |
116 | tpg->field = V4L2_FIELD_NONE; | |
117 | tpg_s_fourcc(tpg, V4L2_PIX_FMT_RGB24); | |
118 | tpg->colorspace = V4L2_COLORSPACE_SRGB; | |
119 | tpg->perc_fill = 100; | |
120 | } | |
e07d46e7 | 121 | EXPORT_SYMBOL_GPL(tpg_init); |
63881df9 HV |
122 | |
123 | int tpg_alloc(struct tpg_data *tpg, unsigned max_w) | |
124 | { | |
125 | unsigned pat; | |
126 | unsigned plane; | |
127 | ||
128 | tpg->max_line_width = max_w; | |
129 | for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) { | |
130 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
dde72bd7 | 131 | unsigned pixelsz = plane ? 2 : 4; |
63881df9 HV |
132 | |
133 | tpg->lines[pat][plane] = vzalloc(max_w * 2 * pixelsz); | |
134 | if (!tpg->lines[pat][plane]) | |
135 | return -ENOMEM; | |
5d7c539e HV |
136 | if (plane == 0) |
137 | continue; | |
138 | tpg->downsampled_lines[pat][plane] = vzalloc(max_w * 2 * pixelsz); | |
139 | if (!tpg->downsampled_lines[pat][plane]) | |
140 | return -ENOMEM; | |
63881df9 HV |
141 | } |
142 | } | |
143 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
dde72bd7 | 144 | unsigned pixelsz = plane ? 2 : 4; |
63881df9 HV |
145 | |
146 | tpg->contrast_line[plane] = vzalloc(max_w * pixelsz); | |
147 | if (!tpg->contrast_line[plane]) | |
148 | return -ENOMEM; | |
149 | tpg->black_line[plane] = vzalloc(max_w * pixelsz); | |
150 | if (!tpg->black_line[plane]) | |
151 | return -ENOMEM; | |
c204e1fa | 152 | tpg->random_line[plane] = vzalloc(max_w * 2 * pixelsz); |
63881df9 HV |
153 | if (!tpg->random_line[plane]) |
154 | return -ENOMEM; | |
155 | } | |
156 | return 0; | |
157 | } | |
e07d46e7 | 158 | EXPORT_SYMBOL_GPL(tpg_alloc); |
63881df9 HV |
159 | |
160 | void tpg_free(struct tpg_data *tpg) | |
161 | { | |
162 | unsigned pat; | |
163 | unsigned plane; | |
164 | ||
165 | for (pat = 0; pat < TPG_MAX_PAT_LINES; pat++) | |
166 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
167 | vfree(tpg->lines[pat][plane]); | |
168 | tpg->lines[pat][plane] = NULL; | |
5d7c539e HV |
169 | if (plane == 0) |
170 | continue; | |
171 | vfree(tpg->downsampled_lines[pat][plane]); | |
172 | tpg->downsampled_lines[pat][plane] = NULL; | |
63881df9 HV |
173 | } |
174 | for (plane = 0; plane < TPG_MAX_PLANES; plane++) { | |
175 | vfree(tpg->contrast_line[plane]); | |
176 | vfree(tpg->black_line[plane]); | |
177 | vfree(tpg->random_line[plane]); | |
178 | tpg->contrast_line[plane] = NULL; | |
179 | tpg->black_line[plane] = NULL; | |
180 | tpg->random_line[plane] = NULL; | |
181 | } | |
182 | } | |
e07d46e7 | 183 | EXPORT_SYMBOL_GPL(tpg_free); |
63881df9 HV |
184 | |
185 | bool tpg_s_fourcc(struct tpg_data *tpg, u32 fourcc) | |
186 | { | |
187 | tpg->fourcc = fourcc; | |
188 | tpg->planes = 1; | |
06d1f0c2 | 189 | tpg->buffers = 1; |
63881df9 | 190 | tpg->recalc_colors = true; |
02aa769d | 191 | tpg->interleaved = false; |
ba01f673 HV |
192 | tpg->vdownsampling[0] = 1; |
193 | tpg->hdownsampling[0] = 1; | |
9991deff HV |
194 | tpg->hmask[0] = ~0; |
195 | tpg->hmask[1] = ~0; | |
196 | tpg->hmask[2] = ~0; | |
06d1f0c2 | 197 | |
63881df9 | 198 | switch (fourcc) { |
02aa769d HV |
199 | case V4L2_PIX_FMT_SBGGR8: |
200 | case V4L2_PIX_FMT_SGBRG8: | |
201 | case V4L2_PIX_FMT_SGRBG8: | |
202 | case V4L2_PIX_FMT_SRGGB8: | |
b96c544f HV |
203 | case V4L2_PIX_FMT_SBGGR10: |
204 | case V4L2_PIX_FMT_SGBRG10: | |
205 | case V4L2_PIX_FMT_SGRBG10: | |
206 | case V4L2_PIX_FMT_SRGGB10: | |
207 | case V4L2_PIX_FMT_SBGGR12: | |
208 | case V4L2_PIX_FMT_SGBRG12: | |
209 | case V4L2_PIX_FMT_SGRBG12: | |
210 | case V4L2_PIX_FMT_SRGGB12: | |
02aa769d HV |
211 | tpg->interleaved = true; |
212 | tpg->vdownsampling[1] = 1; | |
213 | tpg->hdownsampling[1] = 1; | |
214 | tpg->planes = 2; | |
215 | /* fall through */ | |
71491063 | 216 | case V4L2_PIX_FMT_RGB332: |
63881df9 HV |
217 | case V4L2_PIX_FMT_RGB565: |
218 | case V4L2_PIX_FMT_RGB565X: | |
8aca230b HV |
219 | case V4L2_PIX_FMT_RGB444: |
220 | case V4L2_PIX_FMT_XRGB444: | |
221 | case V4L2_PIX_FMT_ARGB444: | |
63881df9 HV |
222 | case V4L2_PIX_FMT_RGB555: |
223 | case V4L2_PIX_FMT_XRGB555: | |
224 | case V4L2_PIX_FMT_ARGB555: | |
225 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
226 | case V4L2_PIX_FMT_XRGB555X: |
227 | case V4L2_PIX_FMT_ARGB555X: | |
68cd4e9f | 228 | case V4L2_PIX_FMT_BGR666: |
63881df9 HV |
229 | case V4L2_PIX_FMT_RGB24: |
230 | case V4L2_PIX_FMT_BGR24: | |
231 | case V4L2_PIX_FMT_RGB32: | |
232 | case V4L2_PIX_FMT_BGR32: | |
233 | case V4L2_PIX_FMT_XRGB32: | |
234 | case V4L2_PIX_FMT_XBGR32: | |
235 | case V4L2_PIX_FMT_ARGB32: | |
236 | case V4L2_PIX_FMT_ABGR32: | |
51f30968 | 237 | case V4L2_PIX_FMT_GREY: |
18b3b3b8 | 238 | case V4L2_PIX_FMT_Y16: |
b0ce23f0 | 239 | case V4L2_PIX_FMT_Y16_BE: |
6c515a44 | 240 | tpg->is_yuv = false; |
63881df9 | 241 | break; |
628821c8 HV |
242 | case V4L2_PIX_FMT_YUV444: |
243 | case V4L2_PIX_FMT_YUV555: | |
244 | case V4L2_PIX_FMT_YUV565: | |
245 | case V4L2_PIX_FMT_YUV32: | |
246 | tpg->is_yuv = true; | |
247 | break; | |
68c90d64 HV |
248 | case V4L2_PIX_FMT_YUV420M: |
249 | case V4L2_PIX_FMT_YVU420M: | |
250 | tpg->buffers = 3; | |
251 | /* fall through */ | |
252 | case V4L2_PIX_FMT_YUV420: | |
253 | case V4L2_PIX_FMT_YVU420: | |
254 | tpg->vdownsampling[1] = 2; | |
255 | tpg->vdownsampling[2] = 2; | |
256 | tpg->hdownsampling[1] = 2; | |
257 | tpg->hdownsampling[2] = 2; | |
258 | tpg->planes = 3; | |
259 | tpg->is_yuv = true; | |
260 | break; | |
00036b30 HV |
261 | case V4L2_PIX_FMT_YUV422M: |
262 | case V4L2_PIX_FMT_YVU422M: | |
263 | tpg->buffers = 3; | |
264 | /* fall through */ | |
68c90d64 HV |
265 | case V4L2_PIX_FMT_YUV422P: |
266 | tpg->vdownsampling[1] = 1; | |
267 | tpg->vdownsampling[2] = 1; | |
268 | tpg->hdownsampling[1] = 2; | |
269 | tpg->hdownsampling[2] = 2; | |
270 | tpg->planes = 3; | |
271 | tpg->is_yuv = true; | |
272 | break; | |
63881df9 HV |
273 | case V4L2_PIX_FMT_NV16M: |
274 | case V4L2_PIX_FMT_NV61M: | |
68c90d64 HV |
275 | tpg->buffers = 2; |
276 | /* fall through */ | |
277 | case V4L2_PIX_FMT_NV16: | |
278 | case V4L2_PIX_FMT_NV61: | |
ba01f673 HV |
279 | tpg->vdownsampling[1] = 1; |
280 | tpg->hdownsampling[1] = 1; | |
9991deff | 281 | tpg->hmask[1] = ~1; |
68c90d64 HV |
282 | tpg->planes = 2; |
283 | tpg->is_yuv = true; | |
284 | break; | |
285 | case V4L2_PIX_FMT_NV12M: | |
286 | case V4L2_PIX_FMT_NV21M: | |
06d1f0c2 | 287 | tpg->buffers = 2; |
68c90d64 HV |
288 | /* fall through */ |
289 | case V4L2_PIX_FMT_NV12: | |
290 | case V4L2_PIX_FMT_NV21: | |
291 | tpg->vdownsampling[1] = 2; | |
292 | tpg->hdownsampling[1] = 1; | |
9991deff | 293 | tpg->hmask[1] = ~1; |
63881df9 | 294 | tpg->planes = 2; |
68c90d64 HV |
295 | tpg->is_yuv = true; |
296 | break; | |
00036b30 HV |
297 | case V4L2_PIX_FMT_YUV444M: |
298 | case V4L2_PIX_FMT_YVU444M: | |
299 | tpg->buffers = 3; | |
300 | tpg->planes = 3; | |
301 | tpg->vdownsampling[1] = 1; | |
302 | tpg->vdownsampling[2] = 1; | |
303 | tpg->hdownsampling[1] = 1; | |
304 | tpg->hdownsampling[2] = 1; | |
305 | tpg->is_yuv = true; | |
306 | break; | |
dde72bd7 HV |
307 | case V4L2_PIX_FMT_NV24: |
308 | case V4L2_PIX_FMT_NV42: | |
309 | tpg->vdownsampling[1] = 1; | |
310 | tpg->hdownsampling[1] = 1; | |
311 | tpg->planes = 2; | |
312 | tpg->is_yuv = true; | |
313 | break; | |
63881df9 HV |
314 | case V4L2_PIX_FMT_YUYV: |
315 | case V4L2_PIX_FMT_UYVY: | |
316 | case V4L2_PIX_FMT_YVYU: | |
317 | case V4L2_PIX_FMT_VYUY: | |
9991deff | 318 | tpg->hmask[0] = ~1; |
6c515a44 | 319 | tpg->is_yuv = true; |
63881df9 HV |
320 | break; |
321 | default: | |
322 | return false; | |
323 | } | |
324 | ||
325 | switch (fourcc) { | |
ed1bc664 | 326 | case V4L2_PIX_FMT_GREY: |
71491063 HV |
327 | case V4L2_PIX_FMT_RGB332: |
328 | tpg->twopixelsize[0] = 2; | |
329 | break; | |
63881df9 HV |
330 | case V4L2_PIX_FMT_RGB565: |
331 | case V4L2_PIX_FMT_RGB565X: | |
8aca230b HV |
332 | case V4L2_PIX_FMT_RGB444: |
333 | case V4L2_PIX_FMT_XRGB444: | |
334 | case V4L2_PIX_FMT_ARGB444: | |
63881df9 HV |
335 | case V4L2_PIX_FMT_RGB555: |
336 | case V4L2_PIX_FMT_XRGB555: | |
337 | case V4L2_PIX_FMT_ARGB555: | |
338 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
339 | case V4L2_PIX_FMT_XRGB555X: |
340 | case V4L2_PIX_FMT_ARGB555X: | |
63881df9 HV |
341 | case V4L2_PIX_FMT_YUYV: |
342 | case V4L2_PIX_FMT_UYVY: | |
343 | case V4L2_PIX_FMT_YVYU: | |
344 | case V4L2_PIX_FMT_VYUY: | |
628821c8 HV |
345 | case V4L2_PIX_FMT_YUV444: |
346 | case V4L2_PIX_FMT_YUV555: | |
347 | case V4L2_PIX_FMT_YUV565: | |
18b3b3b8 | 348 | case V4L2_PIX_FMT_Y16: |
b0ce23f0 | 349 | case V4L2_PIX_FMT_Y16_BE: |
63881df9 HV |
350 | tpg->twopixelsize[0] = 2 * 2; |
351 | break; | |
352 | case V4L2_PIX_FMT_RGB24: | |
353 | case V4L2_PIX_FMT_BGR24: | |
354 | tpg->twopixelsize[0] = 2 * 3; | |
355 | break; | |
68cd4e9f | 356 | case V4L2_PIX_FMT_BGR666: |
63881df9 HV |
357 | case V4L2_PIX_FMT_RGB32: |
358 | case V4L2_PIX_FMT_BGR32: | |
359 | case V4L2_PIX_FMT_XRGB32: | |
360 | case V4L2_PIX_FMT_XBGR32: | |
361 | case V4L2_PIX_FMT_ARGB32: | |
362 | case V4L2_PIX_FMT_ABGR32: | |
628821c8 | 363 | case V4L2_PIX_FMT_YUV32: |
63881df9 HV |
364 | tpg->twopixelsize[0] = 2 * 4; |
365 | break; | |
68c90d64 HV |
366 | case V4L2_PIX_FMT_NV12: |
367 | case V4L2_PIX_FMT_NV21: | |
368 | case V4L2_PIX_FMT_NV12M: | |
369 | case V4L2_PIX_FMT_NV21M: | |
68c90d64 HV |
370 | case V4L2_PIX_FMT_NV16: |
371 | case V4L2_PIX_FMT_NV61: | |
63881df9 HV |
372 | case V4L2_PIX_FMT_NV16M: |
373 | case V4L2_PIX_FMT_NV61M: | |
02aa769d HV |
374 | case V4L2_PIX_FMT_SBGGR8: |
375 | case V4L2_PIX_FMT_SGBRG8: | |
376 | case V4L2_PIX_FMT_SGRBG8: | |
377 | case V4L2_PIX_FMT_SRGGB8: | |
63881df9 HV |
378 | tpg->twopixelsize[0] = 2; |
379 | tpg->twopixelsize[1] = 2; | |
380 | break; | |
b96c544f HV |
381 | case V4L2_PIX_FMT_SRGGB10: |
382 | case V4L2_PIX_FMT_SGRBG10: | |
383 | case V4L2_PIX_FMT_SGBRG10: | |
384 | case V4L2_PIX_FMT_SBGGR10: | |
385 | case V4L2_PIX_FMT_SRGGB12: | |
386 | case V4L2_PIX_FMT_SGRBG12: | |
387 | case V4L2_PIX_FMT_SGBRG12: | |
388 | case V4L2_PIX_FMT_SBGGR12: | |
389 | tpg->twopixelsize[0] = 4; | |
390 | tpg->twopixelsize[1] = 4; | |
391 | break; | |
00036b30 HV |
392 | case V4L2_PIX_FMT_YUV444M: |
393 | case V4L2_PIX_FMT_YVU444M: | |
394 | case V4L2_PIX_FMT_YUV422M: | |
395 | case V4L2_PIX_FMT_YVU422M: | |
68c90d64 HV |
396 | case V4L2_PIX_FMT_YUV422P: |
397 | case V4L2_PIX_FMT_YUV420: | |
398 | case V4L2_PIX_FMT_YVU420: | |
399 | case V4L2_PIX_FMT_YUV420M: | |
400 | case V4L2_PIX_FMT_YVU420M: | |
401 | tpg->twopixelsize[0] = 2; | |
402 | tpg->twopixelsize[1] = 2; | |
403 | tpg->twopixelsize[2] = 2; | |
404 | break; | |
dde72bd7 HV |
405 | case V4L2_PIX_FMT_NV24: |
406 | case V4L2_PIX_FMT_NV42: | |
407 | tpg->twopixelsize[0] = 2; | |
408 | tpg->twopixelsize[1] = 4; | |
409 | break; | |
63881df9 HV |
410 | } |
411 | return true; | |
412 | } | |
e07d46e7 | 413 | EXPORT_SYMBOL_GPL(tpg_s_fourcc); |
63881df9 HV |
414 | |
415 | void tpg_s_crop_compose(struct tpg_data *tpg, const struct v4l2_rect *crop, | |
416 | const struct v4l2_rect *compose) | |
417 | { | |
418 | tpg->crop = *crop; | |
419 | tpg->compose = *compose; | |
420 | tpg->scaled_width = (tpg->src_width * tpg->compose.width + | |
421 | tpg->crop.width - 1) / tpg->crop.width; | |
422 | tpg->scaled_width &= ~1; | |
423 | if (tpg->scaled_width > tpg->max_line_width) | |
424 | tpg->scaled_width = tpg->max_line_width; | |
425 | if (tpg->scaled_width < 2) | |
426 | tpg->scaled_width = 2; | |
427 | tpg->recalc_lines = true; | |
428 | } | |
e07d46e7 | 429 | EXPORT_SYMBOL_GPL(tpg_s_crop_compose); |
63881df9 HV |
430 | |
431 | void tpg_reset_source(struct tpg_data *tpg, unsigned width, unsigned height, | |
73d81022 | 432 | u32 field) |
63881df9 HV |
433 | { |
434 | unsigned p; | |
435 | ||
436 | tpg->src_width = width; | |
437 | tpg->src_height = height; | |
438 | tpg->field = field; | |
439 | tpg->buf_height = height; | |
440 | if (V4L2_FIELD_HAS_T_OR_B(field)) | |
441 | tpg->buf_height /= 2; | |
442 | tpg->scaled_width = width; | |
443 | tpg->crop.top = tpg->crop.left = 0; | |
444 | tpg->crop.width = width; | |
445 | tpg->crop.height = height; | |
446 | tpg->compose.top = tpg->compose.left = 0; | |
447 | tpg->compose.width = width; | |
448 | tpg->compose.height = tpg->buf_height; | |
449 | for (p = 0; p < tpg->planes; p++) | |
ba01f673 HV |
450 | tpg->bytesperline[p] = (width * tpg->twopixelsize[p]) / |
451 | (2 * tpg->hdownsampling[p]); | |
63881df9 HV |
452 | tpg->recalc_square_border = true; |
453 | } | |
e07d46e7 | 454 | EXPORT_SYMBOL_GPL(tpg_reset_source); |
63881df9 HV |
455 | |
456 | static enum tpg_color tpg_get_textbg_color(struct tpg_data *tpg) | |
457 | { | |
458 | switch (tpg->pattern) { | |
459 | case TPG_PAT_BLACK: | |
460 | return TPG_COLOR_100_WHITE; | |
461 | case TPG_PAT_CSC_COLORBAR: | |
462 | return TPG_COLOR_CSC_BLACK; | |
463 | default: | |
464 | return TPG_COLOR_100_BLACK; | |
465 | } | |
466 | } | |
467 | ||
468 | static enum tpg_color tpg_get_textfg_color(struct tpg_data *tpg) | |
469 | { | |
470 | switch (tpg->pattern) { | |
471 | case TPG_PAT_75_COLORBAR: | |
472 | case TPG_PAT_CSC_COLORBAR: | |
473 | return TPG_COLOR_CSC_WHITE; | |
474 | case TPG_PAT_BLACK: | |
475 | return TPG_COLOR_100_BLACK; | |
476 | default: | |
477 | return TPG_COLOR_100_WHITE; | |
478 | } | |
479 | } | |
480 | ||
481b97a1 | 481 | static inline int rec709_to_linear(int v) |
63881df9 | 482 | { |
481b97a1 HV |
483 | v = clamp(v, 0, 0xff0); |
484 | return tpg_rec709_to_linear[v]; | |
63881df9 HV |
485 | } |
486 | ||
481b97a1 | 487 | static inline int linear_to_rec709(int v) |
63881df9 | 488 | { |
481b97a1 HV |
489 | v = clamp(v, 0, 0xff0); |
490 | return tpg_linear_to_rec709[v]; | |
63881df9 HV |
491 | } |
492 | ||
481b97a1 HV |
493 | static void rgb2ycbcr(const int m[3][3], int r, int g, int b, |
494 | int y_offset, int *y, int *cb, int *cr) | |
63881df9 | 495 | { |
481b97a1 HV |
496 | *y = ((m[0][0] * r + m[0][1] * g + m[0][2] * b) >> 16) + (y_offset << 4); |
497 | *cb = ((m[1][0] * r + m[1][1] * g + m[1][2] * b) >> 16) + (128 << 4); | |
498 | *cr = ((m[2][0] * r + m[2][1] * g + m[2][2] * b) >> 16) + (128 << 4); | |
63881df9 HV |
499 | } |
500 | ||
481b97a1 HV |
501 | static void color_to_ycbcr(struct tpg_data *tpg, int r, int g, int b, |
502 | int *y, int *cb, int *cr) | |
63881df9 | 503 | { |
481b97a1 | 504 | #define COEFF(v, r) ((int)(0.5 + (v) * (r) * 256.0)) |
63881df9 | 505 | |
481b97a1 | 506 | static const int bt601[3][3] = { |
9ddbf68d HV |
507 | { COEFF(0.299, 219), COEFF(0.587, 219), COEFF(0.114, 219) }, |
508 | { COEFF(-0.1687, 224), COEFF(-0.3313, 224), COEFF(0.5, 224) }, | |
509 | { COEFF(0.5, 224), COEFF(-0.4187, 224), COEFF(-0.0813, 224) }, | |
481b97a1 HV |
510 | }; |
511 | static const int bt601_full[3][3] = { | |
9ddbf68d HV |
512 | { COEFF(0.299, 255), COEFF(0.587, 255), COEFF(0.114, 255) }, |
513 | { COEFF(-0.1687, 255), COEFF(-0.3313, 255), COEFF(0.5, 255) }, | |
514 | { COEFF(0.5, 255), COEFF(-0.4187, 255), COEFF(-0.0813, 255) }, | |
481b97a1 HV |
515 | }; |
516 | static const int rec709[3][3] = { | |
517 | { COEFF(0.2126, 219), COEFF(0.7152, 219), COEFF(0.0722, 219) }, | |
518 | { COEFF(-0.1146, 224), COEFF(-0.3854, 224), COEFF(0.5, 224) }, | |
519 | { COEFF(0.5, 224), COEFF(-0.4542, 224), COEFF(-0.0458, 224) }, | |
520 | }; | |
521 | static const int rec709_full[3][3] = { | |
522 | { COEFF(0.2126, 255), COEFF(0.7152, 255), COEFF(0.0722, 255) }, | |
523 | { COEFF(-0.1146, 255), COEFF(-0.3854, 255), COEFF(0.5, 255) }, | |
524 | { COEFF(0.5, 255), COEFF(-0.4542, 255), COEFF(-0.0458, 255) }, | |
525 | }; | |
526 | static const int smpte240m[3][3] = { | |
527 | { COEFF(0.212, 219), COEFF(0.701, 219), COEFF(0.087, 219) }, | |
528 | { COEFF(-0.116, 224), COEFF(-0.384, 224), COEFF(0.5, 224) }, | |
529 | { COEFF(0.5, 224), COEFF(-0.445, 224), COEFF(-0.055, 224) }, | |
530 | }; | |
c702f68a HV |
531 | static const int smpte240m_full[3][3] = { |
532 | { COEFF(0.212, 255), COEFF(0.701, 255), COEFF(0.087, 255) }, | |
533 | { COEFF(-0.116, 255), COEFF(-0.384, 255), COEFF(0.5, 255) }, | |
534 | { COEFF(0.5, 255), COEFF(-0.445, 255), COEFF(-0.055, 255) }, | |
535 | }; | |
481b97a1 | 536 | static const int bt2020[3][3] = { |
e202e515 | 537 | { COEFF(0.2627, 219), COEFF(0.6780, 219), COEFF(0.0593, 219) }, |
481b97a1 | 538 | { COEFF(-0.1396, 224), COEFF(-0.3604, 224), COEFF(0.5, 224) }, |
e202e515 | 539 | { COEFF(0.5, 224), COEFF(-0.4598, 224), COEFF(-0.0402, 224) }, |
481b97a1 | 540 | }; |
cf73b717 HV |
541 | static const int bt2020_full[3][3] = { |
542 | { COEFF(0.2627, 255), COEFF(0.6780, 255), COEFF(0.0593, 255) }, | |
543 | { COEFF(-0.1396, 255), COEFF(-0.3604, 255), COEFF(0.5, 255) }, | |
544 | { COEFF(0.5, 255), COEFF(-0.4698, 255), COEFF(-0.0402, 255) }, | |
545 | }; | |
bbfef49f HV |
546 | static const int bt2020c[4] = { |
547 | COEFF(1.0 / 1.9404, 224), COEFF(1.0 / 1.5816, 224), | |
548 | COEFF(1.0 / 1.7184, 224), COEFF(1.0 / 0.9936, 224), | |
549 | }; | |
550 | static const int bt2020c_full[4] = { | |
551 | COEFF(1.0 / 1.9404, 255), COEFF(1.0 / 1.5816, 255), | |
552 | COEFF(1.0 / 1.7184, 255), COEFF(1.0 / 0.9936, 255), | |
553 | }; | |
cf73b717 | 554 | |
481b97a1 | 555 | bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE; |
afad4dd5 | 556 | unsigned y_offset = full ? 0 : 16; |
481b97a1 HV |
557 | int lin_y, yc; |
558 | ||
559 | switch (tpg->real_ycbcr_enc) { | |
560 | case V4L2_YCBCR_ENC_601: | |
afad4dd5 | 561 | rgb2ycbcr(full ? bt601_full : bt601, r, g, b, y_offset, y, cb, cr); |
481b97a1 | 562 | break; |
f6b8af22 HV |
563 | case V4L2_YCBCR_ENC_XV601: |
564 | /* Ignore quantization range, there is only one possible | |
565 | * Y'CbCr encoding. */ | |
566 | rgb2ycbcr(bt601, r, g, b, 16, y, cb, cr); | |
567 | break; | |
568 | case V4L2_YCBCR_ENC_XV709: | |
569 | /* Ignore quantization range, there is only one possible | |
570 | * Y'CbCr encoding. */ | |
571 | rgb2ycbcr(rec709, r, g, b, 16, y, cb, cr); | |
572 | break; | |
481b97a1 | 573 | case V4L2_YCBCR_ENC_BT2020: |
cf73b717 | 574 | rgb2ycbcr(full ? bt2020_full : bt2020, r, g, b, y_offset, y, cb, cr); |
63881df9 | 575 | break; |
481b97a1 HV |
576 | case V4L2_YCBCR_ENC_BT2020_CONST_LUM: |
577 | lin_y = (COEFF(0.2627, 255) * rec709_to_linear(r) + | |
578 | COEFF(0.6780, 255) * rec709_to_linear(g) + | |
579 | COEFF(0.0593, 255) * rec709_to_linear(b)) >> 16; | |
580 | yc = linear_to_rec709(lin_y); | |
bbfef49f | 581 | *y = full ? yc : (yc * 219) / 255 + (16 << 4); |
481b97a1 | 582 | if (b <= yc) |
bbfef49f | 583 | *cb = (((b - yc) * (full ? bt2020c_full[0] : bt2020c[0])) >> 16) + (128 << 4); |
481b97a1 | 584 | else |
bbfef49f | 585 | *cb = (((b - yc) * (full ? bt2020c_full[1] : bt2020c[1])) >> 16) + (128 << 4); |
481b97a1 | 586 | if (r <= yc) |
bbfef49f | 587 | *cr = (((r - yc) * (full ? bt2020c_full[2] : bt2020c[2])) >> 16) + (128 << 4); |
481b97a1 | 588 | else |
bbfef49f | 589 | *cr = (((r - yc) * (full ? bt2020c_full[3] : bt2020c[3])) >> 16) + (128 << 4); |
63881df9 | 590 | break; |
481b97a1 | 591 | case V4L2_YCBCR_ENC_SMPTE240M: |
c702f68a | 592 | rgb2ycbcr(full ? smpte240m_full : smpte240m, r, g, b, y_offset, y, cb, cr); |
481b97a1 HV |
593 | break; |
594 | case V4L2_YCBCR_ENC_709: | |
63881df9 | 595 | default: |
afad4dd5 | 596 | rgb2ycbcr(full ? rec709_full : rec709, r, g, b, y_offset, y, cb, cr); |
63881df9 HV |
597 | break; |
598 | } | |
63881df9 HV |
599 | } |
600 | ||
481b97a1 HV |
601 | static void ycbcr2rgb(const int m[3][3], int y, int cb, int cr, |
602 | int y_offset, int *r, int *g, int *b) | |
63881df9 | 603 | { |
481b97a1 | 604 | y -= y_offset << 4; |
63881df9 HV |
605 | cb -= 128 << 4; |
606 | cr -= 128 << 4; | |
481b97a1 HV |
607 | *r = m[0][0] * y + m[0][1] * cb + m[0][2] * cr; |
608 | *g = m[1][0] * y + m[1][1] * cb + m[1][2] * cr; | |
609 | *b = m[2][0] * y + m[2][1] * cb + m[2][2] * cr; | |
610 | *r = clamp(*r >> 12, 0, 0xff0); | |
611 | *g = clamp(*g >> 12, 0, 0xff0); | |
612 | *b = clamp(*b >> 12, 0, 0xff0); | |
63881df9 HV |
613 | } |
614 | ||
481b97a1 HV |
615 | static void ycbcr_to_color(struct tpg_data *tpg, int y, int cb, int cr, |
616 | int *r, int *g, int *b) | |
63881df9 | 617 | { |
481b97a1 HV |
618 | #undef COEFF |
619 | #define COEFF(v, r) ((int)(0.5 + (v) * ((255.0 * 255.0 * 16.0) / (r)))) | |
620 | static const int bt601[3][3] = { | |
621 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.4020, 224) }, | |
622 | { COEFF(1, 219), COEFF(-0.3441, 224), COEFF(-0.7141, 224) }, | |
623 | { COEFF(1, 219), COEFF(1.7720, 224), COEFF(0, 224) }, | |
624 | }; | |
625 | static const int bt601_full[3][3] = { | |
626 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.4020, 255) }, | |
627 | { COEFF(1, 255), COEFF(-0.3441, 255), COEFF(-0.7141, 255) }, | |
628 | { COEFF(1, 255), COEFF(1.7720, 255), COEFF(0, 255) }, | |
629 | }; | |
630 | static const int rec709[3][3] = { | |
631 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.5748, 224) }, | |
632 | { COEFF(1, 219), COEFF(-0.1873, 224), COEFF(-0.4681, 224) }, | |
633 | { COEFF(1, 219), COEFF(1.8556, 224), COEFF(0, 224) }, | |
634 | }; | |
635 | static const int rec709_full[3][3] = { | |
636 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.5748, 255) }, | |
637 | { COEFF(1, 255), COEFF(-0.1873, 255), COEFF(-0.4681, 255) }, | |
638 | { COEFF(1, 255), COEFF(1.8556, 255), COEFF(0, 255) }, | |
639 | }; | |
640 | static const int smpte240m[3][3] = { | |
641 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.5756, 224) }, | |
642 | { COEFF(1, 219), COEFF(-0.2253, 224), COEFF(-0.4767, 224) }, | |
643 | { COEFF(1, 219), COEFF(1.8270, 224), COEFF(0, 224) }, | |
644 | }; | |
c702f68a HV |
645 | static const int smpte240m_full[3][3] = { |
646 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.5756, 255) }, | |
647 | { COEFF(1, 255), COEFF(-0.2253, 255), COEFF(-0.4767, 255) }, | |
648 | { COEFF(1, 255), COEFF(1.8270, 255), COEFF(0, 255) }, | |
649 | }; | |
481b97a1 HV |
650 | static const int bt2020[3][3] = { |
651 | { COEFF(1, 219), COEFF(0, 224), COEFF(1.4746, 224) }, | |
652 | { COEFF(1, 219), COEFF(-0.1646, 224), COEFF(-0.5714, 224) }, | |
653 | { COEFF(1, 219), COEFF(1.8814, 224), COEFF(0, 224) }, | |
654 | }; | |
cf73b717 HV |
655 | static const int bt2020_full[3][3] = { |
656 | { COEFF(1, 255), COEFF(0, 255), COEFF(1.4746, 255) }, | |
657 | { COEFF(1, 255), COEFF(-0.1646, 255), COEFF(-0.5714, 255) }, | |
658 | { COEFF(1, 255), COEFF(1.8814, 255), COEFF(0, 255) }, | |
659 | }; | |
bbfef49f HV |
660 | static const int bt2020c[4] = { |
661 | COEFF(1.9404, 224), COEFF(1.5816, 224), | |
662 | COEFF(1.7184, 224), COEFF(0.9936, 224), | |
663 | }; | |
664 | static const int bt2020c_full[4] = { | |
665 | COEFF(1.9404, 255), COEFF(1.5816, 255), | |
666 | COEFF(1.7184, 255), COEFF(0.9936, 255), | |
667 | }; | |
668 | ||
481b97a1 | 669 | bool full = tpg->real_quantization == V4L2_QUANTIZATION_FULL_RANGE; |
afad4dd5 | 670 | unsigned y_offset = full ? 0 : 16; |
bbfef49f | 671 | int y_fac = full ? COEFF(1.0, 255) : COEFF(1.0, 219); |
481b97a1 HV |
672 | int lin_r, lin_g, lin_b, lin_y; |
673 | ||
674 | switch (tpg->real_ycbcr_enc) { | |
675 | case V4L2_YCBCR_ENC_601: | |
afad4dd5 | 676 | ycbcr2rgb(full ? bt601_full : bt601, y, cb, cr, y_offset, r, g, b); |
481b97a1 | 677 | break; |
f6b8af22 HV |
678 | case V4L2_YCBCR_ENC_XV601: |
679 | /* Ignore quantization range, there is only one possible | |
680 | * Y'CbCr encoding. */ | |
681 | ycbcr2rgb(bt601, y, cb, cr, 16, r, g, b); | |
682 | break; | |
683 | case V4L2_YCBCR_ENC_XV709: | |
684 | /* Ignore quantization range, there is only one possible | |
685 | * Y'CbCr encoding. */ | |
686 | ycbcr2rgb(rec709, y, cb, cr, 16, r, g, b); | |
687 | break; | |
481b97a1 | 688 | case V4L2_YCBCR_ENC_BT2020: |
cf73b717 | 689 | ycbcr2rgb(full ? bt2020_full : bt2020, y, cb, cr, y_offset, r, g, b); |
481b97a1 HV |
690 | break; |
691 | case V4L2_YCBCR_ENC_BT2020_CONST_LUM: | |
bbfef49f | 692 | y -= full ? 0 : 16 << 4; |
481b97a1 HV |
693 | cb -= 128 << 4; |
694 | cr -= 128 << 4; | |
63881df9 | 695 | |
481b97a1 | 696 | if (cb <= 0) |
bbfef49f | 697 | *b = y_fac * y + (full ? bt2020c_full[0] : bt2020c[0]) * cb; |
481b97a1 | 698 | else |
bbfef49f | 699 | *b = y_fac * y + (full ? bt2020c_full[1] : bt2020c[1]) * cb; |
481b97a1 HV |
700 | *b = *b >> 12; |
701 | if (cr <= 0) | |
bbfef49f | 702 | *r = y_fac * y + (full ? bt2020c_full[2] : bt2020c[2]) * cr; |
481b97a1 | 703 | else |
bbfef49f | 704 | *r = y_fac * y + (full ? bt2020c_full[3] : bt2020c[3]) * cr; |
481b97a1 HV |
705 | *r = *r >> 12; |
706 | lin_r = rec709_to_linear(*r); | |
707 | lin_b = rec709_to_linear(*b); | |
bbfef49f | 708 | lin_y = rec709_to_linear((y * 255) / (full ? 255 : 219)); |
481b97a1 HV |
709 | |
710 | lin_g = COEFF(1.0 / 0.6780, 255) * lin_y - | |
711 | COEFF(0.2627 / 0.6780, 255) * lin_r - | |
712 | COEFF(0.0593 / 0.6780, 255) * lin_b; | |
713 | *g = linear_to_rec709(lin_g >> 12); | |
63881df9 | 714 | break; |
481b97a1 | 715 | case V4L2_YCBCR_ENC_SMPTE240M: |
c702f68a | 716 | ycbcr2rgb(full ? smpte240m_full : smpte240m, y, cb, cr, y_offset, r, g, b); |
63881df9 | 717 | break; |
481b97a1 | 718 | case V4L2_YCBCR_ENC_709: |
63881df9 | 719 | default: |
afad4dd5 | 720 | ycbcr2rgb(full ? rec709_full : rec709, y, cb, cr, y_offset, r, g, b); |
63881df9 HV |
721 | break; |
722 | } | |
63881df9 HV |
723 | } |
724 | ||
725 | /* precalculate color bar values to speed up rendering */ | |
726 | static void precalculate_color(struct tpg_data *tpg, int k) | |
727 | { | |
728 | int col = k; | |
729 | int r = tpg_colors[col].r; | |
730 | int g = tpg_colors[col].g; | |
731 | int b = tpg_colors[col].b; | |
732 | ||
733 | if (k == TPG_COLOR_TEXTBG) { | |
734 | col = tpg_get_textbg_color(tpg); | |
735 | ||
736 | r = tpg_colors[col].r; | |
737 | g = tpg_colors[col].g; | |
738 | b = tpg_colors[col].b; | |
739 | } else if (k == TPG_COLOR_TEXTFG) { | |
740 | col = tpg_get_textfg_color(tpg); | |
741 | ||
742 | r = tpg_colors[col].r; | |
743 | g = tpg_colors[col].g; | |
744 | b = tpg_colors[col].b; | |
745 | } else if (tpg->pattern == TPG_PAT_NOISE) { | |
746 | r = g = b = prandom_u32_max(256); | |
747 | } else if (k == TPG_COLOR_RANDOM) { | |
748 | r = g = b = tpg->qual_offset + prandom_u32_max(196); | |
749 | } else if (k >= TPG_COLOR_RAMP) { | |
750 | r = g = b = k - TPG_COLOR_RAMP; | |
751 | } | |
752 | ||
753 | if (tpg->pattern == TPG_PAT_CSC_COLORBAR && col <= TPG_COLOR_CSC_BLACK) { | |
78aad7f8 HV |
754 | r = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].r; |
755 | g = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].g; | |
756 | b = tpg_csc_colors[tpg->colorspace][tpg->real_xfer_func][col].b; | |
63881df9 HV |
757 | } else { |
758 | r <<= 4; | |
759 | g <<= 4; | |
760 | b <<= 4; | |
761 | } | |
18b3b3b8 | 762 | if (tpg->qual == TPG_QUAL_GRAY || tpg->fourcc == V4L2_PIX_FMT_GREY || |
b0ce23f0 RR |
763 | tpg->fourcc == V4L2_PIX_FMT_Y16 || |
764 | tpg->fourcc == V4L2_PIX_FMT_Y16_BE) { | |
481b97a1 HV |
765 | /* Rec. 709 Luma function */ |
766 | /* (0.2126, 0.7152, 0.0722) * (255 * 256) */ | |
9c35bd48 | 767 | r = g = b = (13879 * r + 46688 * g + 4713 * b) >> 16; |
481b97a1 | 768 | } |
63881df9 HV |
769 | |
770 | /* | |
771 | * The assumption is that the RGB output is always full range, | |
772 | * so only if the rgb_range overrides the 'real' rgb range do | |
773 | * we need to convert the RGB values. | |
774 | * | |
63881df9 HV |
775 | * Remember that r, g and b are still in the 0 - 0xff0 range. |
776 | */ | |
777 | if (tpg->real_rgb_range == V4L2_DV_RGB_RANGE_LIMITED && | |
85a5f85e | 778 | tpg->rgb_range == V4L2_DV_RGB_RANGE_FULL && !tpg->is_yuv) { |
63881df9 HV |
779 | /* |
780 | * Convert from full range (which is what r, g and b are) | |
781 | * to limited range (which is the 'real' RGB range), which | |
782 | * is then interpreted as full range. | |
783 | */ | |
784 | r = (r * 219) / 255 + (16 << 4); | |
785 | g = (g * 219) / 255 + (16 << 4); | |
786 | b = (b * 219) / 255 + (16 << 4); | |
787 | } else if (tpg->real_rgb_range != V4L2_DV_RGB_RANGE_LIMITED && | |
85a5f85e | 788 | tpg->rgb_range == V4L2_DV_RGB_RANGE_LIMITED && !tpg->is_yuv) { |
63881df9 HV |
789 | /* |
790 | * Clamp r, g and b to the limited range and convert to full | |
791 | * range since that's what we deliver. | |
792 | */ | |
793 | r = clamp(r, 16 << 4, 235 << 4); | |
794 | g = clamp(g, 16 << 4, 235 << 4); | |
795 | b = clamp(b, 16 << 4, 235 << 4); | |
796 | r = (r - (16 << 4)) * 255 / 219; | |
797 | g = (g - (16 << 4)) * 255 / 219; | |
798 | b = (b - (16 << 4)) * 255 / 219; | |
799 | } | |
800 | ||
801 | if (tpg->brightness != 128 || tpg->contrast != 128 || | |
802 | tpg->saturation != 128 || tpg->hue) { | |
803 | /* Implement these operations */ | |
481b97a1 HV |
804 | int y, cb, cr; |
805 | int tmp_cb, tmp_cr; | |
63881df9 HV |
806 | |
807 | /* First convert to YCbCr */ | |
481b97a1 HV |
808 | |
809 | color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr); | |
63881df9 HV |
810 | |
811 | y = (16 << 4) + ((y - (16 << 4)) * tpg->contrast) / 128; | |
812 | y += (tpg->brightness << 4) - (128 << 4); | |
813 | ||
814 | cb -= 128 << 4; | |
815 | cr -= 128 << 4; | |
816 | tmp_cb = (cb * cos(128 + tpg->hue)) / 127 + (cr * sin[128 + tpg->hue]) / 127; | |
817 | tmp_cr = (cr * cos(128 + tpg->hue)) / 127 - (cb * sin[128 + tpg->hue]) / 127; | |
818 | ||
819 | cb = (128 << 4) + (tmp_cb * tpg->contrast * tpg->saturation) / (128 * 128); | |
820 | cr = (128 << 4) + (tmp_cr * tpg->contrast * tpg->saturation) / (128 * 128); | |
821 | if (tpg->is_yuv) { | |
822 | tpg->colors[k][0] = clamp(y >> 4, 1, 254); | |
823 | tpg->colors[k][1] = clamp(cb >> 4, 1, 254); | |
824 | tpg->colors[k][2] = clamp(cr >> 4, 1, 254); | |
825 | return; | |
826 | } | |
481b97a1 | 827 | ycbcr_to_color(tpg, y, cb, cr, &r, &g, &b); |
63881df9 HV |
828 | } |
829 | ||
830 | if (tpg->is_yuv) { | |
831 | /* Convert to YCbCr */ | |
481b97a1 HV |
832 | int y, cb, cr; |
833 | ||
834 | color_to_ycbcr(tpg, r, g, b, &y, &cb, &cr); | |
63881df9 | 835 | |
481b97a1 HV |
836 | if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) { |
837 | y = clamp(y, 16 << 4, 235 << 4); | |
838 | cb = clamp(cb, 16 << 4, 240 << 4); | |
839 | cr = clamp(cr, 16 << 4, 240 << 4); | |
840 | } | |
628821c8 HV |
841 | y = clamp(y >> 4, 1, 254); |
842 | cb = clamp(cb >> 4, 1, 254); | |
843 | cr = clamp(cr >> 4, 1, 254); | |
844 | switch (tpg->fourcc) { | |
845 | case V4L2_PIX_FMT_YUV444: | |
846 | y >>= 4; | |
847 | cb >>= 4; | |
848 | cr >>= 4; | |
849 | break; | |
850 | case V4L2_PIX_FMT_YUV555: | |
851 | y >>= 3; | |
852 | cb >>= 3; | |
853 | cr >>= 3; | |
854 | break; | |
855 | case V4L2_PIX_FMT_YUV565: | |
856 | y >>= 3; | |
857 | cb >>= 2; | |
858 | cr >>= 3; | |
859 | break; | |
860 | } | |
861 | tpg->colors[k][0] = y; | |
862 | tpg->colors[k][1] = cb; | |
863 | tpg->colors[k][2] = cr; | |
63881df9 | 864 | } else { |
481b97a1 HV |
865 | if (tpg->real_quantization == V4L2_QUANTIZATION_LIM_RANGE) { |
866 | r = (r * 219) / 255 + (16 << 4); | |
867 | g = (g * 219) / 255 + (16 << 4); | |
868 | b = (b * 219) / 255 + (16 << 4); | |
869 | } | |
63881df9 | 870 | switch (tpg->fourcc) { |
71491063 HV |
871 | case V4L2_PIX_FMT_RGB332: |
872 | r >>= 9; | |
873 | g >>= 9; | |
874 | b >>= 10; | |
875 | break; | |
63881df9 HV |
876 | case V4L2_PIX_FMT_RGB565: |
877 | case V4L2_PIX_FMT_RGB565X: | |
878 | r >>= 7; | |
879 | g >>= 6; | |
880 | b >>= 7; | |
881 | break; | |
8aca230b HV |
882 | case V4L2_PIX_FMT_RGB444: |
883 | case V4L2_PIX_FMT_XRGB444: | |
884 | case V4L2_PIX_FMT_ARGB444: | |
885 | r >>= 8; | |
886 | g >>= 8; | |
887 | b >>= 8; | |
888 | break; | |
63881df9 HV |
889 | case V4L2_PIX_FMT_RGB555: |
890 | case V4L2_PIX_FMT_XRGB555: | |
891 | case V4L2_PIX_FMT_ARGB555: | |
892 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
893 | case V4L2_PIX_FMT_XRGB555X: |
894 | case V4L2_PIX_FMT_ARGB555X: | |
63881df9 HV |
895 | r >>= 7; |
896 | g >>= 7; | |
897 | b >>= 7; | |
898 | break; | |
68cd4e9f HV |
899 | case V4L2_PIX_FMT_BGR666: |
900 | r >>= 6; | |
901 | g >>= 6; | |
902 | b >>= 6; | |
903 | break; | |
63881df9 HV |
904 | default: |
905 | r >>= 4; | |
906 | g >>= 4; | |
907 | b >>= 4; | |
908 | break; | |
909 | } | |
910 | ||
911 | tpg->colors[k][0] = r; | |
912 | tpg->colors[k][1] = g; | |
913 | tpg->colors[k][2] = b; | |
914 | } | |
915 | } | |
916 | ||
917 | static void tpg_precalculate_colors(struct tpg_data *tpg) | |
918 | { | |
919 | int k; | |
920 | ||
921 | for (k = 0; k < TPG_COLOR_MAX; k++) | |
922 | precalculate_color(tpg, k); | |
923 | } | |
924 | ||
925 | /* 'odd' is true for pixels 1, 3, 5, etc. and false for pixels 0, 2, 4, etc. */ | |
926 | static void gen_twopix(struct tpg_data *tpg, | |
927 | u8 buf[TPG_MAX_PLANES][8], int color, bool odd) | |
928 | { | |
929 | unsigned offset = odd * tpg->twopixelsize[0] / 2; | |
930 | u8 alpha = tpg->alpha_component; | |
931 | u8 r_y, g_u, b_v; | |
932 | ||
933 | if (tpg->alpha_red_only && color != TPG_COLOR_CSC_RED && | |
934 | color != TPG_COLOR_100_RED && | |
935 | color != TPG_COLOR_75_RED) | |
936 | alpha = 0; | |
937 | if (color == TPG_COLOR_RANDOM) | |
938 | precalculate_color(tpg, color); | |
939 | r_y = tpg->colors[color][0]; /* R or precalculated Y */ | |
940 | g_u = tpg->colors[color][1]; /* G or precalculated U */ | |
941 | b_v = tpg->colors[color][2]; /* B or precalculated V */ | |
942 | ||
943 | switch (tpg->fourcc) { | |
51f30968 HV |
944 | case V4L2_PIX_FMT_GREY: |
945 | buf[0][offset] = r_y; | |
946 | break; | |
18b3b3b8 | 947 | case V4L2_PIX_FMT_Y16: |
afeef4ee HV |
948 | /* |
949 | * Ideally both bytes should be set to r_y, but then you won't | |
950 | * be able to detect endian problems. So keep it 0 except for | |
951 | * the corner case where r_y is 0xff so white really will be | |
952 | * white (0xffff). | |
953 | */ | |
954 | buf[0][offset] = r_y == 0xff ? r_y : 0; | |
18b3b3b8 RR |
955 | buf[0][offset+1] = r_y; |
956 | break; | |
b0ce23f0 | 957 | case V4L2_PIX_FMT_Y16_BE: |
afeef4ee | 958 | /* See comment for V4L2_PIX_FMT_Y16 above */ |
b0ce23f0 | 959 | buf[0][offset] = r_y; |
afeef4ee | 960 | buf[0][offset+1] = r_y == 0xff ? r_y : 0; |
b0ce23f0 | 961 | break; |
00036b30 | 962 | case V4L2_PIX_FMT_YUV422M: |
68c90d64 HV |
963 | case V4L2_PIX_FMT_YUV422P: |
964 | case V4L2_PIX_FMT_YUV420: | |
965 | case V4L2_PIX_FMT_YUV420M: | |
966 | buf[0][offset] = r_y; | |
967 | if (odd) { | |
968 | buf[1][0] = (buf[1][0] + g_u) / 2; | |
969 | buf[2][0] = (buf[2][0] + b_v) / 2; | |
970 | buf[1][1] = buf[1][0]; | |
971 | buf[2][1] = buf[2][0]; | |
972 | break; | |
973 | } | |
974 | buf[1][0] = g_u; | |
975 | buf[2][0] = b_v; | |
976 | break; | |
00036b30 | 977 | case V4L2_PIX_FMT_YVU422M: |
68c90d64 HV |
978 | case V4L2_PIX_FMT_YVU420: |
979 | case V4L2_PIX_FMT_YVU420M: | |
980 | buf[0][offset] = r_y; | |
981 | if (odd) { | |
982 | buf[1][0] = (buf[1][0] + b_v) / 2; | |
983 | buf[2][0] = (buf[2][0] + g_u) / 2; | |
984 | buf[1][1] = buf[1][0]; | |
985 | buf[2][1] = buf[2][0]; | |
986 | break; | |
987 | } | |
988 | buf[1][0] = b_v; | |
989 | buf[2][0] = g_u; | |
990 | break; | |
991 | ||
992 | case V4L2_PIX_FMT_NV12: | |
993 | case V4L2_PIX_FMT_NV12M: | |
994 | case V4L2_PIX_FMT_NV16: | |
63881df9 HV |
995 | case V4L2_PIX_FMT_NV16M: |
996 | buf[0][offset] = r_y; | |
1f088dc1 HV |
997 | if (odd) { |
998 | buf[1][0] = (buf[1][0] + g_u) / 2; | |
999 | buf[1][1] = (buf[1][1] + b_v) / 2; | |
1000 | break; | |
1001 | } | |
1002 | buf[1][0] = g_u; | |
1003 | buf[1][1] = b_v; | |
63881df9 | 1004 | break; |
68c90d64 HV |
1005 | case V4L2_PIX_FMT_NV21: |
1006 | case V4L2_PIX_FMT_NV21M: | |
1007 | case V4L2_PIX_FMT_NV61: | |
63881df9 HV |
1008 | case V4L2_PIX_FMT_NV61M: |
1009 | buf[0][offset] = r_y; | |
1f088dc1 HV |
1010 | if (odd) { |
1011 | buf[1][0] = (buf[1][0] + b_v) / 2; | |
1012 | buf[1][1] = (buf[1][1] + g_u) / 2; | |
1013 | break; | |
1014 | } | |
1015 | buf[1][0] = b_v; | |
1016 | buf[1][1] = g_u; | |
63881df9 HV |
1017 | break; |
1018 | ||
00036b30 HV |
1019 | case V4L2_PIX_FMT_YUV444M: |
1020 | buf[0][offset] = r_y; | |
1021 | buf[1][offset] = g_u; | |
1022 | buf[2][offset] = b_v; | |
1023 | break; | |
1024 | ||
1025 | case V4L2_PIX_FMT_YVU444M: | |
1026 | buf[0][offset] = r_y; | |
1027 | buf[1][offset] = b_v; | |
1028 | buf[2][offset] = g_u; | |
1029 | break; | |
1030 | ||
dde72bd7 HV |
1031 | case V4L2_PIX_FMT_NV24: |
1032 | buf[0][offset] = r_y; | |
1033 | buf[1][2 * offset] = g_u; | |
1034 | buf[1][2 * offset + 1] = b_v; | |
1035 | break; | |
1036 | ||
1037 | case V4L2_PIX_FMT_NV42: | |
1038 | buf[0][offset] = r_y; | |
1039 | buf[1][2 * offset] = b_v; | |
1040 | buf[1][2 * offset + 1] = g_u; | |
1041 | break; | |
1042 | ||
63881df9 HV |
1043 | case V4L2_PIX_FMT_YUYV: |
1044 | buf[0][offset] = r_y; | |
1f088dc1 HV |
1045 | if (odd) { |
1046 | buf[0][1] = (buf[0][1] + g_u) / 2; | |
1047 | buf[0][3] = (buf[0][3] + b_v) / 2; | |
1048 | break; | |
1049 | } | |
1050 | buf[0][1] = g_u; | |
1051 | buf[0][3] = b_v; | |
63881df9 HV |
1052 | break; |
1053 | case V4L2_PIX_FMT_UYVY: | |
63881df9 | 1054 | buf[0][offset + 1] = r_y; |
1f088dc1 HV |
1055 | if (odd) { |
1056 | buf[0][0] = (buf[0][0] + g_u) / 2; | |
1057 | buf[0][2] = (buf[0][2] + b_v) / 2; | |
1058 | break; | |
1059 | } | |
1060 | buf[0][0] = g_u; | |
1061 | buf[0][2] = b_v; | |
63881df9 HV |
1062 | break; |
1063 | case V4L2_PIX_FMT_YVYU: | |
1064 | buf[0][offset] = r_y; | |
1f088dc1 HV |
1065 | if (odd) { |
1066 | buf[0][1] = (buf[0][1] + b_v) / 2; | |
1067 | buf[0][3] = (buf[0][3] + g_u) / 2; | |
1068 | break; | |
1069 | } | |
1070 | buf[0][1] = b_v; | |
1071 | buf[0][3] = g_u; | |
63881df9 HV |
1072 | break; |
1073 | case V4L2_PIX_FMT_VYUY: | |
63881df9 | 1074 | buf[0][offset + 1] = r_y; |
1f088dc1 HV |
1075 | if (odd) { |
1076 | buf[0][0] = (buf[0][0] + b_v) / 2; | |
1077 | buf[0][2] = (buf[0][2] + g_u) / 2; | |
1078 | break; | |
1079 | } | |
1080 | buf[0][0] = b_v; | |
1081 | buf[0][2] = g_u; | |
63881df9 | 1082 | break; |
71491063 HV |
1083 | case V4L2_PIX_FMT_RGB332: |
1084 | buf[0][offset] = (r_y << 5) | (g_u << 2) | b_v; | |
1085 | break; | |
628821c8 | 1086 | case V4L2_PIX_FMT_YUV565: |
63881df9 HV |
1087 | case V4L2_PIX_FMT_RGB565: |
1088 | buf[0][offset] = (g_u << 5) | b_v; | |
1089 | buf[0][offset + 1] = (r_y << 3) | (g_u >> 3); | |
1090 | break; | |
1091 | case V4L2_PIX_FMT_RGB565X: | |
1092 | buf[0][offset] = (r_y << 3) | (g_u >> 3); | |
1093 | buf[0][offset + 1] = (g_u << 5) | b_v; | |
1094 | break; | |
8aca230b HV |
1095 | case V4L2_PIX_FMT_RGB444: |
1096 | case V4L2_PIX_FMT_XRGB444: | |
1097 | alpha = 0; | |
1098 | /* fall through */ | |
628821c8 | 1099 | case V4L2_PIX_FMT_YUV444: |
8aca230b HV |
1100 | case V4L2_PIX_FMT_ARGB444: |
1101 | buf[0][offset] = (g_u << 4) | b_v; | |
1102 | buf[0][offset + 1] = (alpha & 0xf0) | r_y; | |
1103 | break; | |
63881df9 HV |
1104 | case V4L2_PIX_FMT_RGB555: |
1105 | case V4L2_PIX_FMT_XRGB555: | |
1106 | alpha = 0; | |
1107 | /* fall through */ | |
628821c8 | 1108 | case V4L2_PIX_FMT_YUV555: |
63881df9 HV |
1109 | case V4L2_PIX_FMT_ARGB555: |
1110 | buf[0][offset] = (g_u << 5) | b_v; | |
1111 | buf[0][offset + 1] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3); | |
1112 | break; | |
1113 | case V4L2_PIX_FMT_RGB555X: | |
8f1ff543 HV |
1114 | case V4L2_PIX_FMT_XRGB555X: |
1115 | alpha = 0; | |
1116 | /* fall through */ | |
1117 | case V4L2_PIX_FMT_ARGB555X: | |
63881df9 HV |
1118 | buf[0][offset] = (alpha & 0x80) | (r_y << 2) | (g_u >> 3); |
1119 | buf[0][offset + 1] = (g_u << 5) | b_v; | |
1120 | break; | |
1121 | case V4L2_PIX_FMT_RGB24: | |
1122 | buf[0][offset] = r_y; | |
1123 | buf[0][offset + 1] = g_u; | |
1124 | buf[0][offset + 2] = b_v; | |
1125 | break; | |
1126 | case V4L2_PIX_FMT_BGR24: | |
1127 | buf[0][offset] = b_v; | |
1128 | buf[0][offset + 1] = g_u; | |
1129 | buf[0][offset + 2] = r_y; | |
1130 | break; | |
68cd4e9f HV |
1131 | case V4L2_PIX_FMT_BGR666: |
1132 | buf[0][offset] = (b_v << 2) | (g_u >> 4); | |
1133 | buf[0][offset + 1] = (g_u << 4) | (r_y >> 2); | |
1134 | buf[0][offset + 2] = r_y << 6; | |
1135 | buf[0][offset + 3] = 0; | |
1136 | break; | |
63881df9 HV |
1137 | case V4L2_PIX_FMT_RGB32: |
1138 | case V4L2_PIX_FMT_XRGB32: | |
1139 | alpha = 0; | |
1140 | /* fall through */ | |
628821c8 | 1141 | case V4L2_PIX_FMT_YUV32: |
63881df9 HV |
1142 | case V4L2_PIX_FMT_ARGB32: |
1143 | buf[0][offset] = alpha; | |
1144 | buf[0][offset + 1] = r_y; | |
1145 | buf[0][offset + 2] = g_u; | |
1146 | buf[0][offset + 3] = b_v; | |
1147 | break; | |
1148 | case V4L2_PIX_FMT_BGR32: | |
1149 | case V4L2_PIX_FMT_XBGR32: | |
1150 | alpha = 0; | |
1151 | /* fall through */ | |
1152 | case V4L2_PIX_FMT_ABGR32: | |
1153 | buf[0][offset] = b_v; | |
1154 | buf[0][offset + 1] = g_u; | |
1155 | buf[0][offset + 2] = r_y; | |
1156 | buf[0][offset + 3] = alpha; | |
1157 | break; | |
02aa769d HV |
1158 | case V4L2_PIX_FMT_SBGGR8: |
1159 | buf[0][offset] = odd ? g_u : b_v; | |
1160 | buf[1][offset] = odd ? r_y : g_u; | |
1161 | break; | |
1162 | case V4L2_PIX_FMT_SGBRG8: | |
1163 | buf[0][offset] = odd ? b_v : g_u; | |
1164 | buf[1][offset] = odd ? g_u : r_y; | |
1165 | break; | |
1166 | case V4L2_PIX_FMT_SGRBG8: | |
1167 | buf[0][offset] = odd ? r_y : g_u; | |
1168 | buf[1][offset] = odd ? g_u : b_v; | |
1169 | break; | |
1170 | case V4L2_PIX_FMT_SRGGB8: | |
1171 | buf[0][offset] = odd ? g_u : r_y; | |
1172 | buf[1][offset] = odd ? b_v : g_u; | |
1173 | break; | |
b96c544f HV |
1174 | case V4L2_PIX_FMT_SBGGR10: |
1175 | buf[0][offset] = odd ? g_u << 2 : b_v << 2; | |
1176 | buf[0][offset + 1] = odd ? g_u >> 6 : b_v >> 6; | |
1177 | buf[1][offset] = odd ? r_y << 2 : g_u << 2; | |
1178 | buf[1][offset + 1] = odd ? r_y >> 6 : g_u >> 6; | |
1179 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; | |
1180 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1181 | break; | |
1182 | case V4L2_PIX_FMT_SGBRG10: | |
1183 | buf[0][offset] = odd ? b_v << 2 : g_u << 2; | |
1184 | buf[0][offset + 1] = odd ? b_v >> 6 : g_u >> 6; | |
1185 | buf[1][offset] = odd ? g_u << 2 : r_y << 2; | |
1186 | buf[1][offset + 1] = odd ? g_u >> 6 : r_y >> 6; | |
1187 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; | |
1188 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1189 | break; | |
1190 | case V4L2_PIX_FMT_SGRBG10: | |
1191 | buf[0][offset] = odd ? r_y << 2 : g_u << 2; | |
1192 | buf[0][offset + 1] = odd ? r_y >> 6 : g_u >> 6; | |
1193 | buf[1][offset] = odd ? g_u << 2 : b_v << 2; | |
1194 | buf[1][offset + 1] = odd ? g_u >> 6 : b_v >> 6; | |
1195 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; | |
1196 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1197 | break; | |
1198 | case V4L2_PIX_FMT_SRGGB10: | |
1199 | buf[0][offset] = odd ? g_u << 2 : r_y << 2; | |
1200 | buf[0][offset + 1] = odd ? g_u >> 6 : r_y >> 6; | |
1201 | buf[1][offset] = odd ? b_v << 2 : g_u << 2; | |
1202 | buf[1][offset + 1] = odd ? b_v >> 6 : g_u >> 6; | |
1203 | buf[0][offset] |= (buf[0][offset] >> 2) & 3; | |
1204 | buf[1][offset] |= (buf[1][offset] >> 2) & 3; | |
1205 | break; | |
1206 | case V4L2_PIX_FMT_SBGGR12: | |
1207 | buf[0][offset] = odd ? g_u << 4 : b_v << 4; | |
1208 | buf[0][offset + 1] = odd ? g_u >> 4 : b_v >> 4; | |
1209 | buf[1][offset] = odd ? r_y << 4 : g_u << 4; | |
1210 | buf[1][offset + 1] = odd ? r_y >> 4 : g_u >> 4; | |
1211 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; | |
1212 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1213 | break; | |
1214 | case V4L2_PIX_FMT_SGBRG12: | |
1215 | buf[0][offset] = odd ? b_v << 4 : g_u << 4; | |
1216 | buf[0][offset + 1] = odd ? b_v >> 4 : g_u >> 4; | |
1217 | buf[1][offset] = odd ? g_u << 4 : r_y << 4; | |
1218 | buf[1][offset + 1] = odd ? g_u >> 4 : r_y >> 4; | |
1219 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; | |
1220 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1221 | break; | |
1222 | case V4L2_PIX_FMT_SGRBG12: | |
1223 | buf[0][offset] = odd ? r_y << 4 : g_u << 4; | |
1224 | buf[0][offset + 1] = odd ? r_y >> 4 : g_u >> 4; | |
1225 | buf[1][offset] = odd ? g_u << 4 : b_v << 4; | |
1226 | buf[1][offset + 1] = odd ? g_u >> 4 : b_v >> 4; | |
1227 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; | |
1228 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1229 | break; | |
1230 | case V4L2_PIX_FMT_SRGGB12: | |
1231 | buf[0][offset] = odd ? g_u << 4 : r_y << 4; | |
1232 | buf[0][offset + 1] = odd ? g_u >> 4 : r_y >> 4; | |
1233 | buf[1][offset] = odd ? b_v << 4 : g_u << 4; | |
1234 | buf[1][offset + 1] = odd ? b_v >> 4 : g_u >> 4; | |
1235 | buf[0][offset] |= (buf[0][offset] >> 4) & 0xf; | |
1236 | buf[1][offset] |= (buf[1][offset] >> 4) & 0xf; | |
1237 | break; | |
02aa769d HV |
1238 | } |
1239 | } | |
1240 | ||
1241 | unsigned tpg_g_interleaved_plane(const struct tpg_data *tpg, unsigned buf_line) | |
1242 | { | |
1243 | switch (tpg->fourcc) { | |
1244 | case V4L2_PIX_FMT_SBGGR8: | |
1245 | case V4L2_PIX_FMT_SGBRG8: | |
1246 | case V4L2_PIX_FMT_SGRBG8: | |
1247 | case V4L2_PIX_FMT_SRGGB8: | |
b96c544f HV |
1248 | case V4L2_PIX_FMT_SBGGR10: |
1249 | case V4L2_PIX_FMT_SGBRG10: | |
1250 | case V4L2_PIX_FMT_SGRBG10: | |
1251 | case V4L2_PIX_FMT_SRGGB10: | |
1252 | case V4L2_PIX_FMT_SBGGR12: | |
1253 | case V4L2_PIX_FMT_SGBRG12: | |
1254 | case V4L2_PIX_FMT_SGRBG12: | |
1255 | case V4L2_PIX_FMT_SRGGB12: | |
02aa769d HV |
1256 | return buf_line & 1; |
1257 | default: | |
1258 | return 0; | |
63881df9 HV |
1259 | } |
1260 | } | |
e07d46e7 | 1261 | EXPORT_SYMBOL_GPL(tpg_g_interleaved_plane); |
63881df9 HV |
1262 | |
1263 | /* Return how many pattern lines are used by the current pattern. */ | |
1a05d313 | 1264 | static unsigned tpg_get_pat_lines(const struct tpg_data *tpg) |
63881df9 HV |
1265 | { |
1266 | switch (tpg->pattern) { | |
1267 | case TPG_PAT_CHECKERS_16X16: | |
1a05d313 | 1268 | case TPG_PAT_CHECKERS_2X2: |
63881df9 | 1269 | case TPG_PAT_CHECKERS_1X1: |
1a05d313 HV |
1270 | case TPG_PAT_COLOR_CHECKERS_2X2: |
1271 | case TPG_PAT_COLOR_CHECKERS_1X1: | |
63881df9 HV |
1272 | case TPG_PAT_ALTERNATING_HLINES: |
1273 | case TPG_PAT_CROSS_1_PIXEL: | |
1274 | case TPG_PAT_CROSS_2_PIXELS: | |
1275 | case TPG_PAT_CROSS_10_PIXELS: | |
1276 | return 2; | |
1277 | case TPG_PAT_100_COLORSQUARES: | |
1278 | case TPG_PAT_100_HCOLORBAR: | |
1279 | return 8; | |
1280 | default: | |
1281 | return 1; | |
1282 | } | |
1283 | } | |
1284 | ||
1285 | /* Which pattern line should be used for the given frame line. */ | |
1a05d313 | 1286 | static unsigned tpg_get_pat_line(const struct tpg_data *tpg, unsigned line) |
63881df9 HV |
1287 | { |
1288 | switch (tpg->pattern) { | |
1289 | case TPG_PAT_CHECKERS_16X16: | |
1290 | return (line >> 4) & 1; | |
1291 | case TPG_PAT_CHECKERS_1X1: | |
1a05d313 | 1292 | case TPG_PAT_COLOR_CHECKERS_1X1: |
63881df9 HV |
1293 | case TPG_PAT_ALTERNATING_HLINES: |
1294 | return line & 1; | |
1a05d313 HV |
1295 | case TPG_PAT_CHECKERS_2X2: |
1296 | case TPG_PAT_COLOR_CHECKERS_2X2: | |
1297 | return (line & 2) >> 1; | |
63881df9 HV |
1298 | case TPG_PAT_100_COLORSQUARES: |
1299 | case TPG_PAT_100_HCOLORBAR: | |
1300 | return (line * 8) / tpg->src_height; | |
1301 | case TPG_PAT_CROSS_1_PIXEL: | |
1302 | return line == tpg->src_height / 2; | |
1303 | case TPG_PAT_CROSS_2_PIXELS: | |
1304 | return (line + 1) / 2 == tpg->src_height / 4; | |
1305 | case TPG_PAT_CROSS_10_PIXELS: | |
1306 | return (line + 10) / 20 == tpg->src_height / 40; | |
1307 | default: | |
1308 | return 0; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | /* | |
1313 | * Which color should be used for the given pattern line and X coordinate. | |
1314 | * Note: x is in the range 0 to 2 * tpg->src_width. | |
1315 | */ | |
1a05d313 HV |
1316 | static enum tpg_color tpg_get_color(const struct tpg_data *tpg, |
1317 | unsigned pat_line, unsigned x) | |
63881df9 HV |
1318 | { |
1319 | /* Maximum number of bars are TPG_COLOR_MAX - otherwise, the input print code | |
1320 | should be modified */ | |
1321 | static const enum tpg_color bars[3][8] = { | |
1322 | /* Standard ITU-R 75% color bar sequence */ | |
1323 | { TPG_COLOR_CSC_WHITE, TPG_COLOR_75_YELLOW, | |
1324 | TPG_COLOR_75_CYAN, TPG_COLOR_75_GREEN, | |
1325 | TPG_COLOR_75_MAGENTA, TPG_COLOR_75_RED, | |
1326 | TPG_COLOR_75_BLUE, TPG_COLOR_100_BLACK, }, | |
1327 | /* Standard ITU-R 100% color bar sequence */ | |
1328 | { TPG_COLOR_100_WHITE, TPG_COLOR_100_YELLOW, | |
1329 | TPG_COLOR_100_CYAN, TPG_COLOR_100_GREEN, | |
1330 | TPG_COLOR_100_MAGENTA, TPG_COLOR_100_RED, | |
1331 | TPG_COLOR_100_BLUE, TPG_COLOR_100_BLACK, }, | |
1332 | /* Color bar sequence suitable to test CSC */ | |
1333 | { TPG_COLOR_CSC_WHITE, TPG_COLOR_CSC_YELLOW, | |
1334 | TPG_COLOR_CSC_CYAN, TPG_COLOR_CSC_GREEN, | |
1335 | TPG_COLOR_CSC_MAGENTA, TPG_COLOR_CSC_RED, | |
1336 | TPG_COLOR_CSC_BLUE, TPG_COLOR_CSC_BLACK, }, | |
1337 | }; | |
1338 | ||
1339 | switch (tpg->pattern) { | |
1340 | case TPG_PAT_75_COLORBAR: | |
1341 | case TPG_PAT_100_COLORBAR: | |
1342 | case TPG_PAT_CSC_COLORBAR: | |
1343 | return bars[tpg->pattern][((x * 8) / tpg->src_width) % 8]; | |
1344 | case TPG_PAT_100_COLORSQUARES: | |
1345 | return bars[1][(pat_line + (x * 8) / tpg->src_width) % 8]; | |
1346 | case TPG_PAT_100_HCOLORBAR: | |
1347 | return bars[1][pat_line]; | |
1348 | case TPG_PAT_BLACK: | |
1349 | return TPG_COLOR_100_BLACK; | |
1350 | case TPG_PAT_WHITE: | |
1351 | return TPG_COLOR_100_WHITE; | |
1352 | case TPG_PAT_RED: | |
1353 | return TPG_COLOR_100_RED; | |
1354 | case TPG_PAT_GREEN: | |
1355 | return TPG_COLOR_100_GREEN; | |
1356 | case TPG_PAT_BLUE: | |
1357 | return TPG_COLOR_100_BLUE; | |
1358 | case TPG_PAT_CHECKERS_16X16: | |
1359 | return (((x >> 4) & 1) ^ (pat_line & 1)) ? | |
1360 | TPG_COLOR_100_BLACK : TPG_COLOR_100_WHITE; | |
1361 | case TPG_PAT_CHECKERS_1X1: | |
1362 | return ((x & 1) ^ (pat_line & 1)) ? | |
1363 | TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1a05d313 HV |
1364 | case TPG_PAT_COLOR_CHECKERS_1X1: |
1365 | return ((x & 1) ^ (pat_line & 1)) ? | |
1366 | TPG_COLOR_100_RED : TPG_COLOR_100_BLUE; | |
1367 | case TPG_PAT_CHECKERS_2X2: | |
1368 | return (((x >> 1) & 1) ^ (pat_line & 1)) ? | |
1369 | TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1370 | case TPG_PAT_COLOR_CHECKERS_2X2: | |
1371 | return (((x >> 1) & 1) ^ (pat_line & 1)) ? | |
1372 | TPG_COLOR_100_RED : TPG_COLOR_100_BLUE; | |
63881df9 HV |
1373 | case TPG_PAT_ALTERNATING_HLINES: |
1374 | return pat_line ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1375 | case TPG_PAT_ALTERNATING_VLINES: | |
1376 | return (x & 1) ? TPG_COLOR_100_WHITE : TPG_COLOR_100_BLACK; | |
1377 | case TPG_PAT_CROSS_1_PIXEL: | |
1378 | if (pat_line || (x % tpg->src_width) == tpg->src_width / 2) | |
1379 | return TPG_COLOR_100_BLACK; | |
1380 | return TPG_COLOR_100_WHITE; | |
1381 | case TPG_PAT_CROSS_2_PIXELS: | |
1382 | if (pat_line || ((x % tpg->src_width) + 1) / 2 == tpg->src_width / 4) | |
1383 | return TPG_COLOR_100_BLACK; | |
1384 | return TPG_COLOR_100_WHITE; | |
1385 | case TPG_PAT_CROSS_10_PIXELS: | |
1386 | if (pat_line || ((x % tpg->src_width) + 10) / 20 == tpg->src_width / 40) | |
1387 | return TPG_COLOR_100_BLACK; | |
1388 | return TPG_COLOR_100_WHITE; | |
1389 | case TPG_PAT_GRAY_RAMP: | |
1390 | return TPG_COLOR_RAMP + ((x % tpg->src_width) * 256) / tpg->src_width; | |
1391 | default: | |
1392 | return TPG_COLOR_100_RED; | |
1393 | } | |
1394 | } | |
1395 | ||
1396 | /* | |
1397 | * Given the pixel aspect ratio and video aspect ratio calculate the | |
1398 | * coordinates of a centered square and the coordinates of the border of | |
1399 | * the active video area. The coordinates are relative to the source | |
1400 | * frame rectangle. | |
1401 | */ | |
1402 | static void tpg_calculate_square_border(struct tpg_data *tpg) | |
1403 | { | |
1404 | unsigned w = tpg->src_width; | |
1405 | unsigned h = tpg->src_height; | |
1406 | unsigned sq_w, sq_h; | |
1407 | ||
1408 | sq_w = (w * 2 / 5) & ~1; | |
1409 | if (((w - sq_w) / 2) & 1) | |
1410 | sq_w += 2; | |
1411 | sq_h = sq_w; | |
1412 | tpg->square.width = sq_w; | |
1413 | if (tpg->vid_aspect == TPG_VIDEO_ASPECT_16X9_ANAMORPHIC) { | |
1414 | unsigned ana_sq_w = (sq_w / 4) * 3; | |
1415 | ||
1416 | if (((w - ana_sq_w) / 2) & 1) | |
1417 | ana_sq_w += 2; | |
1418 | tpg->square.width = ana_sq_w; | |
1419 | } | |
1420 | tpg->square.left = (w - tpg->square.width) / 2; | |
1421 | if (tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC) | |
1422 | sq_h = sq_w * 10 / 11; | |
1423 | else if (tpg->pix_aspect == TPG_PIXEL_ASPECT_PAL) | |
1424 | sq_h = sq_w * 59 / 54; | |
1425 | tpg->square.height = sq_h; | |
1426 | tpg->square.top = (h - sq_h) / 2; | |
1427 | tpg->border.left = 0; | |
1428 | tpg->border.width = w; | |
1429 | tpg->border.top = 0; | |
1430 | tpg->border.height = h; | |
1431 | switch (tpg->vid_aspect) { | |
1432 | case TPG_VIDEO_ASPECT_4X3: | |
1433 | if (tpg->pix_aspect) | |
1434 | return; | |
1435 | if (3 * w >= 4 * h) { | |
1436 | tpg->border.width = ((4 * h) / 3) & ~1; | |
1437 | if (((w - tpg->border.width) / 2) & ~1) | |
1438 | tpg->border.width -= 2; | |
1439 | tpg->border.left = (w - tpg->border.width) / 2; | |
1440 | break; | |
1441 | } | |
1442 | tpg->border.height = ((3 * w) / 4) & ~1; | |
1443 | tpg->border.top = (h - tpg->border.height) / 2; | |
1444 | break; | |
1445 | case TPG_VIDEO_ASPECT_14X9_CENTRE: | |
1446 | if (tpg->pix_aspect) { | |
1447 | tpg->border.height = tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC ? 420 : 506; | |
1448 | tpg->border.top = (h - tpg->border.height) / 2; | |
1449 | break; | |
1450 | } | |
1451 | if (9 * w >= 14 * h) { | |
1452 | tpg->border.width = ((14 * h) / 9) & ~1; | |
1453 | if (((w - tpg->border.width) / 2) & ~1) | |
1454 | tpg->border.width -= 2; | |
1455 | tpg->border.left = (w - tpg->border.width) / 2; | |
1456 | break; | |
1457 | } | |
1458 | tpg->border.height = ((9 * w) / 14) & ~1; | |
1459 | tpg->border.top = (h - tpg->border.height) / 2; | |
1460 | break; | |
1461 | case TPG_VIDEO_ASPECT_16X9_CENTRE: | |
1462 | if (tpg->pix_aspect) { | |
1463 | tpg->border.height = tpg->pix_aspect == TPG_PIXEL_ASPECT_NTSC ? 368 : 442; | |
1464 | tpg->border.top = (h - tpg->border.height) / 2; | |
1465 | break; | |
1466 | } | |
1467 | if (9 * w >= 16 * h) { | |
1468 | tpg->border.width = ((16 * h) / 9) & ~1; | |
1469 | if (((w - tpg->border.width) / 2) & ~1) | |
1470 | tpg->border.width -= 2; | |
1471 | tpg->border.left = (w - tpg->border.width) / 2; | |
1472 | break; | |
1473 | } | |
1474 | tpg->border.height = ((9 * w) / 16) & ~1; | |
1475 | tpg->border.top = (h - tpg->border.height) / 2; | |
1476 | break; | |
1477 | default: | |
1478 | break; | |
1479 | } | |
1480 | } | |
1481 | ||
1482 | static void tpg_precalculate_line(struct tpg_data *tpg) | |
1483 | { | |
1484 | enum tpg_color contrast; | |
9991deff | 1485 | u8 pix[TPG_MAX_PLANES][8]; |
63881df9 HV |
1486 | unsigned pat; |
1487 | unsigned p; | |
1488 | unsigned x; | |
1489 | ||
1490 | switch (tpg->pattern) { | |
1491 | case TPG_PAT_GREEN: | |
1492 | contrast = TPG_COLOR_100_RED; | |
1493 | break; | |
1494 | case TPG_PAT_CSC_COLORBAR: | |
1495 | contrast = TPG_COLOR_CSC_GREEN; | |
1496 | break; | |
1497 | default: | |
1498 | contrast = TPG_COLOR_100_GREEN; | |
1499 | break; | |
1500 | } | |
1501 | ||
1502 | for (pat = 0; pat < tpg_get_pat_lines(tpg); pat++) { | |
1503 | /* Coarse scaling with Bresenham */ | |
1504 | unsigned int_part = tpg->src_width / tpg->scaled_width; | |
1505 | unsigned fract_part = tpg->src_width % tpg->scaled_width; | |
1506 | unsigned src_x = 0; | |
1507 | unsigned error = 0; | |
1508 | ||
1509 | for (x = 0; x < tpg->scaled_width * 2; x += 2) { | |
1510 | unsigned real_x = src_x; | |
1511 | enum tpg_color color1, color2; | |
63881df9 HV |
1512 | |
1513 | real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x; | |
1514 | color1 = tpg_get_color(tpg, pat, real_x); | |
1515 | ||
1516 | src_x += int_part; | |
1517 | error += fract_part; | |
1518 | if (error >= tpg->scaled_width) { | |
1519 | error -= tpg->scaled_width; | |
1520 | src_x++; | |
1521 | } | |
1522 | ||
1523 | real_x = src_x; | |
1524 | real_x = tpg->hflip ? tpg->src_width * 2 - real_x - 2 : real_x; | |
1525 | color2 = tpg_get_color(tpg, pat, real_x); | |
1526 | ||
1527 | src_x += int_part; | |
1528 | error += fract_part; | |
1529 | if (error >= tpg->scaled_width) { | |
1530 | error -= tpg->scaled_width; | |
1531 | src_x++; | |
1532 | } | |
1533 | ||
1534 | gen_twopix(tpg, pix, tpg->hflip ? color2 : color1, 0); | |
1535 | gen_twopix(tpg, pix, tpg->hflip ? color1 : color2, 1); | |
1536 | for (p = 0; p < tpg->planes; p++) { | |
1537 | unsigned twopixsize = tpg->twopixelsize[p]; | |
5d7c539e | 1538 | unsigned hdiv = tpg->hdownsampling[p]; |
9991deff | 1539 | u8 *pos = tpg->lines[pat][p] + tpg_hdiv(tpg, p, x); |
63881df9 | 1540 | |
5d7c539e | 1541 | memcpy(pos, pix[p], twopixsize / hdiv); |
63881df9 HV |
1542 | } |
1543 | } | |
1544 | } | |
5d7c539e HV |
1545 | |
1546 | if (tpg->vdownsampling[tpg->planes - 1] > 1) { | |
1547 | unsigned pat_lines = tpg_get_pat_lines(tpg); | |
1548 | ||
1549 | for (pat = 0; pat < pat_lines; pat++) { | |
1550 | unsigned next_pat = (pat + 1) % pat_lines; | |
1551 | ||
1552 | for (p = 1; p < tpg->planes; p++) { | |
9991deff HV |
1553 | unsigned w = tpg_hdiv(tpg, p, tpg->scaled_width * 2); |
1554 | u8 *pos1 = tpg->lines[pat][p]; | |
1555 | u8 *pos2 = tpg->lines[next_pat][p]; | |
1556 | u8 *dest = tpg->downsampled_lines[pat][p]; | |
5d7c539e | 1557 | |
9991deff HV |
1558 | for (x = 0; x < w; x++, pos1++, pos2++, dest++) |
1559 | *dest = ((u16)*pos1 + (u16)*pos2) / 2; | |
5d7c539e HV |
1560 | } |
1561 | } | |
1562 | } | |
1563 | ||
9991deff HV |
1564 | gen_twopix(tpg, pix, contrast, 0); |
1565 | gen_twopix(tpg, pix, contrast, 1); | |
1566 | for (p = 0; p < tpg->planes; p++) { | |
1567 | unsigned twopixsize = tpg->twopixelsize[p]; | |
1568 | u8 *pos = tpg->contrast_line[p]; | |
63881df9 | 1569 | |
9991deff | 1570 | for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize) |
63881df9 | 1571 | memcpy(pos, pix[p], twopixsize); |
63881df9 | 1572 | } |
63881df9 | 1573 | |
9991deff HV |
1574 | gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 0); |
1575 | gen_twopix(tpg, pix, TPG_COLOR_100_BLACK, 1); | |
1576 | for (p = 0; p < tpg->planes; p++) { | |
1577 | unsigned twopixsize = tpg->twopixelsize[p]; | |
1578 | u8 *pos = tpg->black_line[p]; | |
63881df9 | 1579 | |
9991deff | 1580 | for (x = 0; x < tpg->scaled_width; x += 2, pos += twopixsize) |
63881df9 | 1581 | memcpy(pos, pix[p], twopixsize); |
63881df9 | 1582 | } |
63881df9 | 1583 | |
9991deff | 1584 | for (x = 0; x < tpg->scaled_width * 2; x += 2) { |
63881df9 HV |
1585 | gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 0); |
1586 | gen_twopix(tpg, pix, TPG_COLOR_RANDOM, 1); | |
1587 | for (p = 0; p < tpg->planes; p++) { | |
1588 | unsigned twopixsize = tpg->twopixelsize[p]; | |
1589 | u8 *pos = tpg->random_line[p] + x * twopixsize / 2; | |
1590 | ||
1591 | memcpy(pos, pix[p], twopixsize); | |
1592 | } | |
1593 | } | |
9991deff | 1594 | |
63881df9 HV |
1595 | gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 0); |
1596 | gen_twopix(tpg, tpg->textbg, TPG_COLOR_TEXTBG, 1); | |
1597 | gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 0); | |
1598 | gen_twopix(tpg, tpg->textfg, TPG_COLOR_TEXTFG, 1); | |
1599 | } | |
1600 | ||
1601 | /* need this to do rgb24 rendering */ | |
1602 | typedef struct { u16 __; u8 _; } __packed x24; | |
1603 | ||
c70316f2 HV |
1604 | #define PRINTSTR(PIXTYPE) do { \ |
1605 | unsigned vdiv = tpg->vdownsampling[p]; \ | |
1606 | unsigned hdiv = tpg->hdownsampling[p]; \ | |
1607 | int line; \ | |
63881df9 HV |
1608 | PIXTYPE fg; \ |
1609 | PIXTYPE bg; \ | |
1610 | memcpy(&fg, tpg->textfg[p], sizeof(PIXTYPE)); \ | |
1611 | memcpy(&bg, tpg->textbg[p], sizeof(PIXTYPE)); \ | |
1612 | \ | |
3e14e7a8 | 1613 | for (line = first; line < 16; line += vdiv * step) { \ |
63881df9 | 1614 | int l = tpg->vflip ? 15 - line : line; \ |
3e14e7a8 HV |
1615 | PIXTYPE *pos = (PIXTYPE *)(basep[p][(line / vdiv) & 1] + \ |
1616 | ((y * step + l) / (vdiv * div)) * tpg->bytesperline[p] + \ | |
1617 | (x / hdiv) * sizeof(PIXTYPE)); \ | |
63881df9 HV |
1618 | unsigned s; \ |
1619 | \ | |
1620 | for (s = 0; s < len; s++) { \ | |
1621 | u8 chr = font8x16[text[s] * 16 + line]; \ | |
1622 | \ | |
3e14e7a8 HV |
1623 | if (hdiv == 2 && tpg->hflip) { \ |
1624 | pos[3] = (chr & (0x01 << 6) ? fg : bg); \ | |
1625 | pos[2] = (chr & (0x01 << 4) ? fg : bg); \ | |
1626 | pos[1] = (chr & (0x01 << 2) ? fg : bg); \ | |
1627 | pos[0] = (chr & (0x01 << 0) ? fg : bg); \ | |
1628 | } else if (hdiv == 2) { \ | |
1629 | pos[0] = (chr & (0x01 << 7) ? fg : bg); \ | |
1630 | pos[1] = (chr & (0x01 << 5) ? fg : bg); \ | |
1631 | pos[2] = (chr & (0x01 << 3) ? fg : bg); \ | |
1632 | pos[3] = (chr & (0x01 << 1) ? fg : bg); \ | |
1633 | } else if (tpg->hflip) { \ | |
63881df9 HV |
1634 | pos[7] = (chr & (0x01 << 7) ? fg : bg); \ |
1635 | pos[6] = (chr & (0x01 << 6) ? fg : bg); \ | |
1636 | pos[5] = (chr & (0x01 << 5) ? fg : bg); \ | |
1637 | pos[4] = (chr & (0x01 << 4) ? fg : bg); \ | |
1638 | pos[3] = (chr & (0x01 << 3) ? fg : bg); \ | |
1639 | pos[2] = (chr & (0x01 << 2) ? fg : bg); \ | |
1640 | pos[1] = (chr & (0x01 << 1) ? fg : bg); \ | |
1641 | pos[0] = (chr & (0x01 << 0) ? fg : bg); \ | |
1642 | } else { \ | |
1643 | pos[0] = (chr & (0x01 << 7) ? fg : bg); \ | |
1644 | pos[1] = (chr & (0x01 << 6) ? fg : bg); \ | |
1645 | pos[2] = (chr & (0x01 << 5) ? fg : bg); \ | |
1646 | pos[3] = (chr & (0x01 << 4) ? fg : bg); \ | |
1647 | pos[4] = (chr & (0x01 << 3) ? fg : bg); \ | |
1648 | pos[5] = (chr & (0x01 << 2) ? fg : bg); \ | |
1649 | pos[6] = (chr & (0x01 << 1) ? fg : bg); \ | |
1650 | pos[7] = (chr & (0x01 << 0) ? fg : bg); \ | |
1651 | } \ | |
1652 | \ | |
3e14e7a8 | 1653 | pos += (tpg->hflip ? -8 : 8) / hdiv; \ |
63881df9 HV |
1654 | } \ |
1655 | } \ | |
1656 | } while (0) | |
1657 | ||
c70316f2 HV |
1658 | static noinline void tpg_print_str_2(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], |
1659 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1660 | int y, int x, char *text, unsigned len) | |
1661 | { | |
1662 | PRINTSTR(u8); | |
1663 | } | |
1664 | ||
1665 | static noinline void tpg_print_str_4(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1666 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1667 | int y, int x, char *text, unsigned len) | |
1668 | { | |
1669 | PRINTSTR(u16); | |
1670 | } | |
1671 | ||
1672 | static noinline void tpg_print_str_6(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1673 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1674 | int y, int x, char *text, unsigned len) | |
1675 | { | |
1676 | PRINTSTR(x24); | |
1677 | } | |
1678 | ||
1679 | static noinline void tpg_print_str_8(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1680 | unsigned p, unsigned first, unsigned div, unsigned step, | |
1681 | int y, int x, char *text, unsigned len) | |
1682 | { | |
1683 | PRINTSTR(u32); | |
1684 | } | |
1685 | ||
1686 | void tpg_gen_text(const struct tpg_data *tpg, u8 *basep[TPG_MAX_PLANES][2], | |
1687 | int y, int x, char *text) | |
1688 | { | |
1689 | unsigned step = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; | |
1690 | unsigned div = step; | |
1691 | unsigned first = 0; | |
1692 | unsigned len = strlen(text); | |
1693 | unsigned p; | |
1694 | ||
1695 | if (font8x16 == NULL || basep == NULL) | |
1696 | return; | |
1697 | ||
1698 | /* Checks if it is possible to show string */ | |
1699 | if (y + 16 >= tpg->compose.height || x + 8 >= tpg->compose.width) | |
1700 | return; | |
1701 | ||
1702 | if (len > (tpg->compose.width - x) / 8) | |
1703 | len = (tpg->compose.width - x) / 8; | |
1704 | if (tpg->vflip) | |
1705 | y = tpg->compose.height - y - 16; | |
1706 | if (tpg->hflip) | |
1707 | x = tpg->compose.width - x - 8; | |
1708 | y += tpg->compose.top; | |
1709 | x += tpg->compose.left; | |
1710 | if (tpg->field == V4L2_FIELD_BOTTOM) | |
1711 | first = 1; | |
1712 | else if (tpg->field == V4L2_FIELD_SEQ_TB || tpg->field == V4L2_FIELD_SEQ_BT) | |
1713 | div = 2; | |
1714 | ||
1715 | for (p = 0; p < tpg->planes; p++) { | |
1716 | /* Print text */ | |
1717 | switch (tpg->twopixelsize[p]) { | |
1718 | case 2: | |
1719 | tpg_print_str_2(tpg, basep, p, first, div, step, y, x, | |
1720 | text, len); | |
1721 | break; | |
1722 | case 4: | |
1723 | tpg_print_str_4(tpg, basep, p, first, div, step, y, x, | |
1724 | text, len); | |
1725 | break; | |
1726 | case 6: | |
1727 | tpg_print_str_6(tpg, basep, p, first, div, step, y, x, | |
1728 | text, len); | |
1729 | break; | |
1730 | case 8: | |
1731 | tpg_print_str_8(tpg, basep, p, first, div, step, y, x, | |
1732 | text, len); | |
1733 | break; | |
1734 | } | |
63881df9 HV |
1735 | } |
1736 | } | |
e07d46e7 | 1737 | EXPORT_SYMBOL_GPL(tpg_gen_text); |
63881df9 HV |
1738 | |
1739 | void tpg_update_mv_step(struct tpg_data *tpg) | |
1740 | { | |
1741 | int factor = tpg->mv_hor_mode > TPG_MOVE_NONE ? -1 : 1; | |
1742 | ||
1743 | if (tpg->hflip) | |
1744 | factor = -factor; | |
1745 | switch (tpg->mv_hor_mode) { | |
1746 | case TPG_MOVE_NEG_FAST: | |
1747 | case TPG_MOVE_POS_FAST: | |
1748 | tpg->mv_hor_step = ((tpg->src_width + 319) / 320) * 4; | |
1749 | break; | |
1750 | case TPG_MOVE_NEG: | |
1751 | case TPG_MOVE_POS: | |
1752 | tpg->mv_hor_step = ((tpg->src_width + 639) / 640) * 4; | |
1753 | break; | |
1754 | case TPG_MOVE_NEG_SLOW: | |
1755 | case TPG_MOVE_POS_SLOW: | |
1756 | tpg->mv_hor_step = 2; | |
1757 | break; | |
1758 | case TPG_MOVE_NONE: | |
1759 | tpg->mv_hor_step = 0; | |
1760 | break; | |
1761 | } | |
1762 | if (factor < 0) | |
1763 | tpg->mv_hor_step = tpg->src_width - tpg->mv_hor_step; | |
1764 | ||
1765 | factor = tpg->mv_vert_mode > TPG_MOVE_NONE ? -1 : 1; | |
1766 | switch (tpg->mv_vert_mode) { | |
1767 | case TPG_MOVE_NEG_FAST: | |
1768 | case TPG_MOVE_POS_FAST: | |
1769 | tpg->mv_vert_step = ((tpg->src_width + 319) / 320) * 4; | |
1770 | break; | |
1771 | case TPG_MOVE_NEG: | |
1772 | case TPG_MOVE_POS: | |
1773 | tpg->mv_vert_step = ((tpg->src_width + 639) / 640) * 4; | |
1774 | break; | |
1775 | case TPG_MOVE_NEG_SLOW: | |
1776 | case TPG_MOVE_POS_SLOW: | |
1777 | tpg->mv_vert_step = 1; | |
1778 | break; | |
1779 | case TPG_MOVE_NONE: | |
1780 | tpg->mv_vert_step = 0; | |
1781 | break; | |
1782 | } | |
1783 | if (factor < 0) | |
1784 | tpg->mv_vert_step = tpg->src_height - tpg->mv_vert_step; | |
1785 | } | |
e07d46e7 | 1786 | EXPORT_SYMBOL_GPL(tpg_update_mv_step); |
63881df9 HV |
1787 | |
1788 | /* Map the line number relative to the crop rectangle to a frame line number */ | |
dfff0489 | 1789 | static unsigned tpg_calc_frameline(const struct tpg_data *tpg, unsigned src_y, |
63881df9 HV |
1790 | unsigned field) |
1791 | { | |
1792 | switch (field) { | |
1793 | case V4L2_FIELD_TOP: | |
1794 | return tpg->crop.top + src_y * 2; | |
1795 | case V4L2_FIELD_BOTTOM: | |
1796 | return tpg->crop.top + src_y * 2 + 1; | |
1797 | default: | |
1798 | return src_y + tpg->crop.top; | |
1799 | } | |
1800 | } | |
1801 | ||
1802 | /* | |
1803 | * Map the line number relative to the compose rectangle to a destination | |
1804 | * buffer line number. | |
1805 | */ | |
dfff0489 | 1806 | static unsigned tpg_calc_buffer_line(const struct tpg_data *tpg, unsigned y, |
63881df9 HV |
1807 | unsigned field) |
1808 | { | |
1809 | y += tpg->compose.top; | |
1810 | switch (field) { | |
1811 | case V4L2_FIELD_SEQ_TB: | |
1812 | if (y & 1) | |
1813 | return tpg->buf_height / 2 + y / 2; | |
1814 | return y / 2; | |
1815 | case V4L2_FIELD_SEQ_BT: | |
1816 | if (y & 1) | |
1817 | return y / 2; | |
1818 | return tpg->buf_height / 2 + y / 2; | |
1819 | default: | |
1820 | return y; | |
1821 | } | |
1822 | } | |
1823 | ||
1824 | static void tpg_recalc(struct tpg_data *tpg) | |
1825 | { | |
1826 | if (tpg->recalc_colors) { | |
1827 | tpg->recalc_colors = false; | |
1828 | tpg->recalc_lines = true; | |
ca5316db | 1829 | tpg->real_xfer_func = tpg->xfer_func; |
481b97a1 HV |
1830 | tpg->real_ycbcr_enc = tpg->ycbcr_enc; |
1831 | tpg->real_quantization = tpg->quantization; | |
ca5316db HV |
1832 | |
1833 | if (tpg->xfer_func == V4L2_XFER_FUNC_DEFAULT) | |
1834 | tpg->real_xfer_func = | |
1835 | V4L2_MAP_XFER_FUNC_DEFAULT(tpg->colorspace); | |
1836 | ||
9c54faef HV |
1837 | if (tpg->ycbcr_enc == V4L2_YCBCR_ENC_DEFAULT) |
1838 | tpg->real_ycbcr_enc = | |
1839 | V4L2_MAP_YCBCR_ENC_DEFAULT(tpg->colorspace); | |
1840 | ||
1841 | if (tpg->quantization == V4L2_QUANTIZATION_DEFAULT) | |
1842 | tpg->real_quantization = | |
1843 | V4L2_MAP_QUANTIZATION_DEFAULT(!tpg->is_yuv, | |
1844 | tpg->colorspace, tpg->real_ycbcr_enc); | |
1845 | ||
63881df9 HV |
1846 | tpg_precalculate_colors(tpg); |
1847 | } | |
1848 | if (tpg->recalc_square_border) { | |
1849 | tpg->recalc_square_border = false; | |
1850 | tpg_calculate_square_border(tpg); | |
1851 | } | |
1852 | if (tpg->recalc_lines) { | |
1853 | tpg->recalc_lines = false; | |
1854 | tpg_precalculate_line(tpg); | |
1855 | } | |
1856 | } | |
1857 | ||
1858 | void tpg_calc_text_basep(struct tpg_data *tpg, | |
1859 | u8 *basep[TPG_MAX_PLANES][2], unsigned p, u8 *vbuf) | |
1860 | { | |
1861 | unsigned stride = tpg->bytesperline[p]; | |
280abe47 | 1862 | unsigned h = tpg->buf_height; |
63881df9 HV |
1863 | |
1864 | tpg_recalc(tpg); | |
1865 | ||
1866 | basep[p][0] = vbuf; | |
1867 | basep[p][1] = vbuf; | |
280abe47 | 1868 | h /= tpg->vdownsampling[p]; |
63881df9 | 1869 | if (tpg->field == V4L2_FIELD_SEQ_TB) |
280abe47 | 1870 | basep[p][1] += h * stride / 2; |
63881df9 | 1871 | else if (tpg->field == V4L2_FIELD_SEQ_BT) |
280abe47 | 1872 | basep[p][0] += h * stride / 2; |
02aa769d HV |
1873 | if (p == 0 && tpg->interleaved) |
1874 | tpg_calc_text_basep(tpg, basep, 1, vbuf); | |
280abe47 | 1875 | } |
e07d46e7 | 1876 | EXPORT_SYMBOL_GPL(tpg_calc_text_basep); |
280abe47 HV |
1877 | |
1878 | static int tpg_pattern_avg(const struct tpg_data *tpg, | |
1879 | unsigned pat1, unsigned pat2) | |
1880 | { | |
1881 | unsigned pat_lines = tpg_get_pat_lines(tpg); | |
1882 | ||
1883 | if (pat1 == (pat2 + 1) % pat_lines) | |
1884 | return pat2; | |
1885 | if (pat2 == (pat1 + 1) % pat_lines) | |
1886 | return pat1; | |
1887 | return -1; | |
63881df9 HV |
1888 | } |
1889 | ||
84b76d74 HV |
1890 | void tpg_log_status(struct tpg_data *tpg) |
1891 | { | |
1892 | pr_info("tpg source WxH: %ux%u (%s)\n", | |
1893 | tpg->src_width, tpg->src_height, | |
1894 | tpg->is_yuv ? "YCbCr" : "RGB"); | |
1895 | pr_info("tpg field: %u\n", tpg->field); | |
1896 | pr_info("tpg crop: %ux%u@%dx%d\n", tpg->crop.width, tpg->crop.height, | |
1897 | tpg->crop.left, tpg->crop.top); | |
1898 | pr_info("tpg compose: %ux%u@%dx%d\n", tpg->compose.width, tpg->compose.height, | |
1899 | tpg->compose.left, tpg->compose.top); | |
1900 | pr_info("tpg colorspace: %d\n", tpg->colorspace); | |
ca5316db | 1901 | pr_info("tpg transfer function: %d/%d\n", tpg->xfer_func, tpg->real_xfer_func); |
84b76d74 HV |
1902 | pr_info("tpg Y'CbCr encoding: %d/%d\n", tpg->ycbcr_enc, tpg->real_ycbcr_enc); |
1903 | pr_info("tpg quantization: %d/%d\n", tpg->quantization, tpg->real_quantization); | |
1904 | pr_info("tpg RGB range: %d/%d\n", tpg->rgb_range, tpg->real_rgb_range); | |
1905 | } | |
e07d46e7 | 1906 | EXPORT_SYMBOL_GPL(tpg_log_status); |
84b76d74 | 1907 | |
e76036d8 HV |
1908 | /* |
1909 | * This struct contains common parameters used by both the drawing of the | |
1910 | * test pattern and the drawing of the extras (borders, square, etc.) | |
1911 | */ | |
1912 | struct tpg_draw_params { | |
1913 | /* common data */ | |
1914 | bool is_tv; | |
1915 | bool is_60hz; | |
1916 | unsigned twopixsize; | |
1917 | unsigned img_width; | |
1918 | unsigned stride; | |
1919 | unsigned hmax; | |
1920 | unsigned frame_line; | |
1921 | unsigned frame_line_next; | |
1922 | ||
1923 | /* test pattern */ | |
1924 | unsigned mv_hor_old; | |
1925 | unsigned mv_hor_new; | |
1926 | unsigned mv_vert_old; | |
1927 | unsigned mv_vert_new; | |
1928 | ||
1929 | /* extras */ | |
1930 | unsigned wss_width; | |
1931 | unsigned wss_random_offset; | |
1932 | unsigned sav_eav_f; | |
1933 | unsigned left_pillar_width; | |
1934 | unsigned right_pillar_start; | |
1935 | }; | |
1936 | ||
f0ce4fd6 HV |
1937 | static void tpg_fill_params_pattern(const struct tpg_data *tpg, unsigned p, |
1938 | struct tpg_draw_params *params) | |
1939 | { | |
1940 | params->mv_hor_old = | |
1941 | tpg_hscale_div(tpg, p, tpg->mv_hor_count % tpg->src_width); | |
1942 | params->mv_hor_new = | |
1943 | tpg_hscale_div(tpg, p, (tpg->mv_hor_count + tpg->mv_hor_step) % | |
1944 | tpg->src_width); | |
1945 | params->mv_vert_old = tpg->mv_vert_count % tpg->src_height; | |
1946 | params->mv_vert_new = | |
1947 | (tpg->mv_vert_count + tpg->mv_vert_step) % tpg->src_height; | |
1948 | } | |
1949 | ||
07386b9a HV |
1950 | static void tpg_fill_params_extras(const struct tpg_data *tpg, |
1951 | unsigned p, | |
1952 | struct tpg_draw_params *params) | |
1953 | { | |
1954 | unsigned left_pillar_width = 0; | |
1955 | unsigned right_pillar_start = params->img_width; | |
1956 | ||
1957 | params->wss_width = tpg->crop.left < tpg->src_width / 2 ? | |
1958 | tpg->src_width / 2 - tpg->crop.left : 0; | |
1959 | if (params->wss_width > tpg->crop.width) | |
1960 | params->wss_width = tpg->crop.width; | |
1961 | params->wss_width = tpg_hscale_div(tpg, p, params->wss_width); | |
1962 | params->wss_random_offset = | |
1963 | params->twopixsize * prandom_u32_max(tpg->src_width / 2); | |
1964 | ||
1965 | if (tpg->crop.left < tpg->border.left) { | |
1966 | left_pillar_width = tpg->border.left - tpg->crop.left; | |
1967 | if (left_pillar_width > tpg->crop.width) | |
1968 | left_pillar_width = tpg->crop.width; | |
1969 | left_pillar_width = tpg_hscale_div(tpg, p, left_pillar_width); | |
1970 | } | |
1971 | params->left_pillar_width = left_pillar_width; | |
1972 | ||
1973 | if (tpg->crop.left + tpg->crop.width > | |
1974 | tpg->border.left + tpg->border.width) { | |
1975 | right_pillar_start = | |
1976 | tpg->border.left + tpg->border.width - tpg->crop.left; | |
1977 | right_pillar_start = | |
1978 | tpg_hscale_div(tpg, p, right_pillar_start); | |
1979 | if (right_pillar_start > params->img_width) | |
1980 | right_pillar_start = params->img_width; | |
1981 | } | |
1982 | params->right_pillar_start = right_pillar_start; | |
1983 | ||
1984 | params->sav_eav_f = tpg->field == | |
1985 | (params->is_60hz ? V4L2_FIELD_TOP : V4L2_FIELD_BOTTOM); | |
1986 | } | |
1987 | ||
c6ff1c1b HV |
1988 | static void tpg_fill_plane_extras(const struct tpg_data *tpg, |
1989 | const struct tpg_draw_params *params, | |
1990 | unsigned p, unsigned h, u8 *vbuf) | |
1991 | { | |
1992 | unsigned twopixsize = params->twopixsize; | |
1993 | unsigned img_width = params->img_width; | |
1994 | unsigned frame_line = params->frame_line; | |
1995 | const struct v4l2_rect *sq = &tpg->square; | |
1996 | const struct v4l2_rect *b = &tpg->border; | |
1997 | const struct v4l2_rect *c = &tpg->crop; | |
1998 | ||
1999 | if (params->is_tv && !params->is_60hz && | |
2000 | frame_line == 0 && params->wss_width) { | |
2001 | /* | |
2002 | * Replace the first half of the top line of a 50 Hz frame | |
2003 | * with random data to simulate a WSS signal. | |
2004 | */ | |
2005 | u8 *wss = tpg->random_line[p] + params->wss_random_offset; | |
2006 | ||
2007 | memcpy(vbuf, wss, params->wss_width); | |
2008 | } | |
2009 | ||
2010 | if (tpg->show_border && frame_line >= b->top && | |
2011 | frame_line < b->top + b->height) { | |
2012 | unsigned bottom = b->top + b->height - 1; | |
2013 | unsigned left = params->left_pillar_width; | |
2014 | unsigned right = params->right_pillar_start; | |
2015 | ||
2016 | if (frame_line == b->top || frame_line == b->top + 1 || | |
2017 | frame_line == bottom || frame_line == bottom - 1) { | |
2018 | memcpy(vbuf + left, tpg->contrast_line[p], | |
2019 | right - left); | |
2020 | } else { | |
2021 | if (b->left >= c->left && | |
2022 | b->left < c->left + c->width) | |
2023 | memcpy(vbuf + left, | |
2024 | tpg->contrast_line[p], twopixsize); | |
2025 | if (b->left + b->width > c->left && | |
2026 | b->left + b->width <= c->left + c->width) | |
2027 | memcpy(vbuf + right - twopixsize, | |
2028 | tpg->contrast_line[p], twopixsize); | |
2029 | } | |
2030 | } | |
2031 | if (tpg->qual != TPG_QUAL_NOISE && frame_line >= b->top && | |
2032 | frame_line < b->top + b->height) { | |
2033 | memcpy(vbuf, tpg->black_line[p], params->left_pillar_width); | |
2034 | memcpy(vbuf + params->right_pillar_start, tpg->black_line[p], | |
2035 | img_width - params->right_pillar_start); | |
2036 | } | |
2037 | if (tpg->show_square && frame_line >= sq->top && | |
2038 | frame_line < sq->top + sq->height && | |
2039 | sq->left < c->left + c->width && | |
2040 | sq->left + sq->width >= c->left) { | |
2041 | unsigned left = sq->left; | |
2042 | unsigned width = sq->width; | |
2043 | ||
2044 | if (c->left > left) { | |
2045 | width -= c->left - left; | |
2046 | left = c->left; | |
2047 | } | |
2048 | if (c->left + c->width < left + width) | |
2049 | width -= left + width - c->left - c->width; | |
2050 | left -= c->left; | |
2051 | left = tpg_hscale_div(tpg, p, left); | |
2052 | width = tpg_hscale_div(tpg, p, width); | |
2053 | memcpy(vbuf + left, tpg->contrast_line[p], width); | |
2054 | } | |
2055 | if (tpg->insert_sav) { | |
2056 | unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width / 3); | |
2057 | u8 *p = vbuf + offset; | |
2058 | unsigned vact = 0, hact = 0; | |
2059 | ||
2060 | p[0] = 0xff; | |
2061 | p[1] = 0; | |
2062 | p[2] = 0; | |
2063 | p[3] = 0x80 | (params->sav_eav_f << 6) | | |
2064 | (vact << 5) | (hact << 4) | | |
2065 | ((hact ^ vact) << 3) | | |
2066 | ((hact ^ params->sav_eav_f) << 2) | | |
2067 | ((params->sav_eav_f ^ vact) << 1) | | |
2068 | (hact ^ vact ^ params->sav_eav_f); | |
2069 | } | |
2070 | if (tpg->insert_eav) { | |
2071 | unsigned offset = tpg_hdiv(tpg, p, tpg->compose.width * 2 / 3); | |
2072 | u8 *p = vbuf + offset; | |
2073 | unsigned vact = 0, hact = 1; | |
2074 | ||
2075 | p[0] = 0xff; | |
2076 | p[1] = 0; | |
2077 | p[2] = 0; | |
2078 | p[3] = 0x80 | (params->sav_eav_f << 6) | | |
2079 | (vact << 5) | (hact << 4) | | |
2080 | ((hact ^ vact) << 3) | | |
2081 | ((hact ^ params->sav_eav_f) << 2) | | |
2082 | ((params->sav_eav_f ^ vact) << 1) | | |
2083 | (hact ^ vact ^ params->sav_eav_f); | |
2084 | } | |
2085 | } | |
2086 | ||
ecb9e91b HV |
2087 | static void tpg_fill_plane_pattern(const struct tpg_data *tpg, |
2088 | const struct tpg_draw_params *params, | |
2089 | unsigned p, unsigned h, u8 *vbuf) | |
2090 | { | |
2091 | unsigned twopixsize = params->twopixsize; | |
2092 | unsigned img_width = params->img_width; | |
2093 | unsigned mv_hor_old = params->mv_hor_old; | |
2094 | unsigned mv_hor_new = params->mv_hor_new; | |
2095 | unsigned mv_vert_old = params->mv_vert_old; | |
2096 | unsigned mv_vert_new = params->mv_vert_new; | |
2097 | unsigned frame_line = params->frame_line; | |
2098 | unsigned frame_line_next = params->frame_line_next; | |
2099 | unsigned line_offset = tpg_hscale_div(tpg, p, tpg->crop.left); | |
2100 | bool even; | |
2101 | bool fill_blank = false; | |
2102 | unsigned pat_line_old; | |
2103 | unsigned pat_line_new; | |
2104 | u8 *linestart_older; | |
2105 | u8 *linestart_newer; | |
2106 | u8 *linestart_top; | |
2107 | u8 *linestart_bottom; | |
2108 | ||
2109 | even = !(frame_line & 1); | |
2110 | ||
2111 | if (h >= params->hmax) { | |
2112 | if (params->hmax == tpg->compose.height) | |
2113 | return; | |
2114 | if (!tpg->perc_fill_blank) | |
2115 | return; | |
2116 | fill_blank = true; | |
2117 | } | |
2118 | ||
2119 | if (tpg->vflip) { | |
2120 | frame_line = tpg->src_height - frame_line - 1; | |
2121 | frame_line_next = tpg->src_height - frame_line_next - 1; | |
2122 | } | |
2123 | ||
2124 | if (fill_blank) { | |
2125 | linestart_older = tpg->contrast_line[p]; | |
2126 | linestart_newer = tpg->contrast_line[p]; | |
2127 | } else if (tpg->qual != TPG_QUAL_NOISE && | |
2128 | (frame_line < tpg->border.top || | |
2129 | frame_line >= tpg->border.top + tpg->border.height)) { | |
2130 | linestart_older = tpg->black_line[p]; | |
2131 | linestart_newer = tpg->black_line[p]; | |
2132 | } else if (tpg->pattern == TPG_PAT_NOISE || tpg->qual == TPG_QUAL_NOISE) { | |
2133 | linestart_older = tpg->random_line[p] + | |
2134 | twopixsize * prandom_u32_max(tpg->src_width / 2); | |
2135 | linestart_newer = tpg->random_line[p] + | |
2136 | twopixsize * prandom_u32_max(tpg->src_width / 2); | |
2137 | } else { | |
2138 | unsigned frame_line_old = | |
2139 | (frame_line + mv_vert_old) % tpg->src_height; | |
2140 | unsigned frame_line_new = | |
2141 | (frame_line + mv_vert_new) % tpg->src_height; | |
2142 | unsigned pat_line_next_old; | |
2143 | unsigned pat_line_next_new; | |
2144 | ||
2145 | pat_line_old = tpg_get_pat_line(tpg, frame_line_old); | |
2146 | pat_line_new = tpg_get_pat_line(tpg, frame_line_new); | |
2147 | linestart_older = tpg->lines[pat_line_old][p] + mv_hor_old; | |
2148 | linestart_newer = tpg->lines[pat_line_new][p] + mv_hor_new; | |
2149 | ||
2150 | if (tpg->vdownsampling[p] > 1 && frame_line != frame_line_next) { | |
2151 | int avg_pat; | |
2152 | ||
2153 | /* | |
2154 | * Now decide whether we need to use downsampled_lines[]. | |
2155 | * That's necessary if the two lines use different patterns. | |
2156 | */ | |
2157 | pat_line_next_old = tpg_get_pat_line(tpg, | |
2158 | (frame_line_next + mv_vert_old) % tpg->src_height); | |
2159 | pat_line_next_new = tpg_get_pat_line(tpg, | |
2160 | (frame_line_next + mv_vert_new) % tpg->src_height); | |
2161 | ||
2162 | switch (tpg->field) { | |
2163 | case V4L2_FIELD_INTERLACED: | |
2164 | case V4L2_FIELD_INTERLACED_BT: | |
2165 | case V4L2_FIELD_INTERLACED_TB: | |
2166 | avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_new); | |
2167 | if (avg_pat < 0) | |
2168 | break; | |
2169 | linestart_older = tpg->downsampled_lines[avg_pat][p] + mv_hor_old; | |
2170 | linestart_newer = linestart_older; | |
2171 | break; | |
2172 | case V4L2_FIELD_NONE: | |
2173 | case V4L2_FIELD_TOP: | |
2174 | case V4L2_FIELD_BOTTOM: | |
2175 | case V4L2_FIELD_SEQ_BT: | |
2176 | case V4L2_FIELD_SEQ_TB: | |
2177 | avg_pat = tpg_pattern_avg(tpg, pat_line_old, pat_line_next_old); | |
2178 | if (avg_pat >= 0) | |
2179 | linestart_older = tpg->downsampled_lines[avg_pat][p] + | |
2180 | mv_hor_old; | |
2181 | avg_pat = tpg_pattern_avg(tpg, pat_line_new, pat_line_next_new); | |
2182 | if (avg_pat >= 0) | |
2183 | linestart_newer = tpg->downsampled_lines[avg_pat][p] + | |
2184 | mv_hor_new; | |
2185 | break; | |
2186 | } | |
2187 | } | |
2188 | linestart_older += line_offset; | |
2189 | linestart_newer += line_offset; | |
2190 | } | |
2191 | if (tpg->field_alternate) { | |
2192 | linestart_top = linestart_bottom = linestart_older; | |
2193 | } else if (params->is_60hz) { | |
2194 | linestart_top = linestart_newer; | |
2195 | linestart_bottom = linestart_older; | |
2196 | } else { | |
2197 | linestart_top = linestart_older; | |
2198 | linestart_bottom = linestart_newer; | |
2199 | } | |
2200 | ||
2201 | switch (tpg->field) { | |
2202 | case V4L2_FIELD_INTERLACED: | |
2203 | case V4L2_FIELD_INTERLACED_TB: | |
2204 | case V4L2_FIELD_SEQ_TB: | |
2205 | case V4L2_FIELD_SEQ_BT: | |
2206 | if (even) | |
2207 | memcpy(vbuf, linestart_top, img_width); | |
2208 | else | |
2209 | memcpy(vbuf, linestart_bottom, img_width); | |
2210 | break; | |
2211 | case V4L2_FIELD_INTERLACED_BT: | |
2212 | if (even) | |
2213 | memcpy(vbuf, linestart_bottom, img_width); | |
2214 | else | |
2215 | memcpy(vbuf, linestart_top, img_width); | |
2216 | break; | |
2217 | case V4L2_FIELD_TOP: | |
2218 | memcpy(vbuf, linestart_top, img_width); | |
2219 | break; | |
2220 | case V4L2_FIELD_BOTTOM: | |
2221 | memcpy(vbuf, linestart_bottom, img_width); | |
2222 | break; | |
2223 | case V4L2_FIELD_NONE: | |
2224 | default: | |
2225 | memcpy(vbuf, linestart_older, img_width); | |
2226 | break; | |
2227 | } | |
2228 | } | |
2229 | ||
2230 | void tpg_fill_plane_buffer(struct tpg_data *tpg, v4l2_std_id std, | |
2231 | unsigned p, u8 *vbuf) | |
63881df9 | 2232 | { |
5e729393 | 2233 | struct tpg_draw_params params; |
63881df9 | 2234 | unsigned factor = V4L2_FIELD_HAS_T_OR_B(tpg->field) ? 2 : 1; |
63881df9 HV |
2235 | |
2236 | /* Coarse scaling with Bresenham */ | |
2237 | unsigned int_part = (tpg->crop.height / factor) / tpg->compose.height; | |
2238 | unsigned fract_part = (tpg->crop.height / factor) % tpg->compose.height; | |
2239 | unsigned src_y = 0; | |
2240 | unsigned error = 0; | |
ecb9e91b | 2241 | unsigned h; |
63881df9 HV |
2242 | |
2243 | tpg_recalc(tpg); | |
2244 | ||
5e729393 HV |
2245 | params.is_tv = std; |
2246 | params.is_60hz = std & V4L2_STD_525_60; | |
2247 | params.twopixsize = tpg->twopixelsize[p]; | |
2248 | params.img_width = tpg_hdiv(tpg, p, tpg->compose.width); | |
2249 | params.stride = tpg->bytesperline[p]; | |
2250 | params.hmax = (tpg->compose.height * tpg->perc_fill) / 100; | |
2251 | ||
f0ce4fd6 | 2252 | tpg_fill_params_pattern(tpg, p, ¶ms); |
07386b9a HV |
2253 | tpg_fill_params_extras(tpg, p, ¶ms); |
2254 | ||
9991deff | 2255 | vbuf += tpg_hdiv(tpg, p, tpg->compose.left); |
63881df9 HV |
2256 | |
2257 | for (h = 0; h < tpg->compose.height; h++) { | |
63881df9 | 2258 | unsigned buf_line; |
63881df9 | 2259 | |
c6ff1c1b HV |
2260 | params.frame_line = tpg_calc_frameline(tpg, src_y, tpg->field); |
2261 | params.frame_line_next = params.frame_line; | |
63881df9 HV |
2262 | buf_line = tpg_calc_buffer_line(tpg, h, tpg->field); |
2263 | src_y += int_part; | |
2264 | error += fract_part; | |
2265 | if (error >= tpg->compose.height) { | |
2266 | error -= tpg->compose.height; | |
2267 | src_y++; | |
2268 | } | |
2269 | ||
02aa769d HV |
2270 | /* |
2271 | * For line-interleaved formats determine the 'plane' | |
2272 | * based on the buffer line. | |
2273 | */ | |
2274 | if (tpg_g_interleaved(tpg)) | |
2275 | p = tpg_g_interleaved_plane(tpg, buf_line); | |
2276 | ||
ecb9e91b | 2277 | if (tpg->vdownsampling[p] > 1) { |
280abe47 HV |
2278 | /* |
2279 | * When doing vertical downsampling the field setting | |
2280 | * matters: for SEQ_BT/TB we downsample each field | |
2281 | * separately (i.e. lines 0+2 are combined, as are | |
2282 | * lines 1+3), for the other field settings we combine | |
2283 | * odd and even lines. Doing that for SEQ_BT/TB would | |
2284 | * be really weird. | |
2285 | */ | |
2286 | if (tpg->field == V4L2_FIELD_SEQ_BT || | |
2287 | tpg->field == V4L2_FIELD_SEQ_TB) { | |
ecb9e91b HV |
2288 | unsigned next_src_y = src_y; |
2289 | ||
280abe47 HV |
2290 | if ((h & 3) >= 2) |
2291 | continue; | |
ecb9e91b HV |
2292 | next_src_y += int_part; |
2293 | if (error + fract_part >= tpg->compose.height) | |
2294 | next_src_y++; | |
2295 | params.frame_line_next = | |
2296 | tpg_calc_frameline(tpg, next_src_y, tpg->field); | |
2297 | } else { | |
2298 | if (h & 1) | |
2299 | continue; | |
2300 | params.frame_line_next = | |
2301 | tpg_calc_frameline(tpg, src_y, tpg->field); | |
280abe47 | 2302 | } |
63881df9 | 2303 | |
ecb9e91b | 2304 | buf_line /= tpg->vdownsampling[p]; |
63881df9 | 2305 | } |
ecb9e91b HV |
2306 | tpg_fill_plane_pattern(tpg, ¶ms, p, h, |
2307 | vbuf + buf_line * params.stride); | |
c6ff1c1b HV |
2308 | tpg_fill_plane_extras(tpg, ¶ms, p, h, |
2309 | vbuf + buf_line * params.stride); | |
63881df9 HV |
2310 | } |
2311 | } | |
e07d46e7 | 2312 | EXPORT_SYMBOL_GPL(tpg_fill_plane_buffer); |
4db22041 HV |
2313 | |
2314 | void tpg_fillbuffer(struct tpg_data *tpg, v4l2_std_id std, unsigned p, u8 *vbuf) | |
2315 | { | |
2316 | unsigned offset = 0; | |
2317 | unsigned i; | |
2318 | ||
2319 | if (tpg->buffers > 1) { | |
2320 | tpg_fill_plane_buffer(tpg, std, p, vbuf); | |
2321 | return; | |
2322 | } | |
2323 | ||
02aa769d | 2324 | for (i = 0; i < tpg_g_planes(tpg); i++) { |
4db22041 HV |
2325 | tpg_fill_plane_buffer(tpg, std, i, vbuf + offset); |
2326 | offset += tpg_calc_plane_size(tpg, i); | |
2327 | } | |
2328 | } | |
e07d46e7 HMKF |
2329 | EXPORT_SYMBOL_GPL(tpg_fillbuffer); |
2330 | ||
2331 | MODULE_DESCRIPTION("V4L2 Test Pattern Generator"); | |
2332 | MODULE_AUTHOR("Hans Verkuil"); | |
2333 | MODULE_LICENSE("GPL"); |