R.M. Thomas | 702422b | 2010-06-18 12:29:49 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * * |
| 3 | * easycap_settings.c * |
| 4 | * * |
| 5 | ******************************************************************************/ |
| 6 | /* |
| 7 | * |
| 8 | * Copyright (C) 2010 R.M. Thomas <rmthomas@sciolus.org> |
| 9 | * |
| 10 | * |
| 11 | * This is free software; you can redistribute it and/or modify |
| 12 | * it under the terms of the GNU General Public License as published by |
| 13 | * the Free Software Foundation; either version 2 of the License, or |
| 14 | * (at your option) any later version. |
| 15 | * |
| 16 | * The software is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU General Public License for more details. |
| 20 | * |
| 21 | * You should have received a copy of the GNU General Public License |
| 22 | * along with this software; if not, write to the Free Software |
| 23 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 24 | * |
| 25 | */ |
| 26 | /*****************************************************************************/ |
| 27 | |
| 28 | #include "easycap.h" |
| 29 | #include "easycap_debug.h" |
| 30 | |
| 31 | /*---------------------------------------------------------------------------*/ |
| 32 | /* |
| 33 | * THE LEAST SIGNIFICANT BIT OF easycap_standard.mask HAS MEANING: |
| 34 | * 0 => 25 fps |
| 35 | * 1 => 30 fps |
| 36 | */ |
| 37 | /*---------------------------------------------------------------------------*/ |
Mike Thomas | 3d423e9 | 2010-07-11 10:51:13 +0100 | [diff] [blame] | 38 | const struct easycap_standard easycap_standard[] = { |
R.M. Thomas | 702422b | 2010-06-18 12:29:49 -0700 | [diff] [blame] | 39 | { |
| 40 | .mask = 0x000F & PAL_BGHIN , |
| 41 | .v4l2_standard = { |
| 42 | .index = PAL_BGHIN, |
| 43 | .id = (V4L2_STD_PAL_B | V4L2_STD_PAL_G | V4L2_STD_PAL_H | \ |
| 44 | V4L2_STD_PAL_I | V4L2_STD_PAL_N), |
| 45 | .name = "PAL_BGHIN", |
| 46 | .frameperiod = {1, 25}, |
| 47 | .framelines = 625, |
| 48 | .reserved = {0, 0, 0, 0} |
| 49 | } |
| 50 | }, |
| 51 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 52 | { |
| 53 | .mask = 0x000F & NTSC_N_443 , |
| 54 | .v4l2_standard = { |
| 55 | .index = NTSC_N_443, |
| 56 | .id = V4L2_STD_UNKNOWN, |
| 57 | .name = "NTSC_N_443", |
| 58 | .frameperiod = {1, 25}, |
| 59 | .framelines = 480, |
| 60 | .reserved = {0, 0, 0, 0} |
| 61 | } |
| 62 | }, |
| 63 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 64 | { |
| 65 | .mask = 0x000F & PAL_Nc , |
| 66 | .v4l2_standard = { |
| 67 | .index = PAL_Nc, |
| 68 | .id = V4L2_STD_PAL_Nc, |
| 69 | .name = "PAL_Nc", |
| 70 | .frameperiod = {1, 25}, |
| 71 | .framelines = 625, |
| 72 | .reserved = {0, 0, 0, 0} |
| 73 | } |
| 74 | }, |
| 75 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 76 | { |
| 77 | .mask = 0x000F & NTSC_N , |
| 78 | .v4l2_standard = { |
| 79 | .index = NTSC_N, |
| 80 | .id = V4L2_STD_UNKNOWN, |
| 81 | .name = "NTSC_N", |
| 82 | .frameperiod = {1, 25}, |
| 83 | .framelines = 525, |
| 84 | .reserved = {0, 0, 0, 0} |
| 85 | } |
| 86 | }, |
| 87 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 88 | { |
| 89 | .mask = 0x000F & SECAM , |
| 90 | .v4l2_standard = { |
| 91 | .index = SECAM, |
| 92 | .id = V4L2_STD_SECAM, |
| 93 | .name = "SECAM", |
| 94 | .frameperiod = {1, 25}, |
| 95 | .framelines = 625, |
| 96 | .reserved = {0, 0, 0, 0} |
| 97 | } |
| 98 | }, |
| 99 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 100 | { |
| 101 | .mask = 0x000F & NTSC_M , |
| 102 | .v4l2_standard = { |
| 103 | .index = NTSC_M, |
| 104 | .id = V4L2_STD_NTSC_M, |
| 105 | .name = "NTSC_M", |
| 106 | .frameperiod = {1, 30}, |
| 107 | .framelines = 525, |
| 108 | .reserved = {0, 0, 0, 0} |
| 109 | } |
| 110 | }, |
| 111 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 112 | { |
| 113 | .mask = 0x000F & NTSC_M_JP , |
| 114 | .v4l2_standard = { |
| 115 | .index = NTSC_M_JP, |
| 116 | .id = V4L2_STD_NTSC_M_JP, |
| 117 | .name = "NTSC_M_JP", |
| 118 | .frameperiod = {1, 30}, |
| 119 | .framelines = 525, |
| 120 | .reserved = {0, 0, 0, 0} |
| 121 | } |
| 122 | }, |
| 123 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 124 | { |
| 125 | .mask = 0x000F & PAL_60 , |
| 126 | .v4l2_standard = { |
| 127 | .index = PAL_60, |
| 128 | .id = V4L2_STD_PAL_60, |
| 129 | .name = "PAL_60", |
| 130 | .frameperiod = {1, 30}, |
| 131 | .framelines = 525, |
| 132 | .reserved = {0, 0, 0, 0} |
| 133 | } |
| 134 | }, |
| 135 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 136 | { |
| 137 | .mask = 0x000F & NTSC_443 , |
| 138 | .v4l2_standard = { |
| 139 | .index = NTSC_443, |
| 140 | .id = V4L2_STD_NTSC_443, |
| 141 | .name = "NTSC_443", |
| 142 | .frameperiod = {1, 30}, |
| 143 | .framelines = 525, |
| 144 | .reserved = {0, 0, 0, 0} |
| 145 | } |
| 146 | }, |
| 147 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 148 | { |
| 149 | .mask = 0x000F & PAL_M , |
| 150 | .v4l2_standard = { |
| 151 | .index = PAL_M, |
| 152 | .id = V4L2_STD_PAL_M, |
| 153 | .name = "PAL_M", |
| 154 | .frameperiod = {1, 30}, |
| 155 | .framelines = 525, |
| 156 | .reserved = {0, 0, 0, 0} |
| 157 | } |
| 158 | }, |
| 159 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 160 | { |
| 161 | .mask = 0xFFFF |
| 162 | } |
| 163 | }; |
| 164 | /*---------------------------------------------------------------------------*/ |
| 165 | /* |
| 166 | * THE 16-BIT easycap_format.mask HAS MEANING: |
| 167 | * (least significant) BIT 0: 0 => PAL, 25 FPS; 1 => NTSC, 30 FPS |
| 168 | * BITS 1-3: RESERVED FOR DIFFERENTIATING STANDARDS |
| 169 | * BITS 4-7: NUMBER OF BYTES PER PIXEL |
| 170 | * BIT 8: 0 => NATIVE BYTE ORDER; 1 => SWAPPED |
| 171 | * BITS 9-10: RESERVED FOR OTHER BYTE PERMUTATIONS |
| 172 | * BIT 11: 0 => UNDECIMATED; 1 => DECIMATED |
| 173 | * BIT 12: 0 => OFFER FRAMES; 1 => OFFER FIELDS |
| 174 | * (most significant) BITS 13-15: RESERVED FOR OTHER FIELD ORDER OPTIONS |
| 175 | * IT FOLLOWS THAT: |
| 176 | * bytesperpixel IS ((0x00F0 & easycap_format.mask) >> 4) |
| 177 | * byteswaporder IS true IF (0 != (0x0100 & easycap_format.mask)) |
| 178 | * |
| 179 | * decimatepixel IS true IF (0 != (0x0800 & easycap_format.mask)) |
| 180 | * |
| 181 | * offerfields IS true IF (0 != (0x1000 & easycap_format.mask)) |
| 182 | */ |
| 183 | /*---------------------------------------------------------------------------*/ |
| 184 | |
| 185 | struct easycap_format easycap_format[1 + SETTINGS_MANY]; |
| 186 | |
| 187 | int |
| 188 | fillin_formats(void) |
| 189 | { |
| 190 | int i, j, k, m, n; |
| 191 | __u32 width, height, pixelformat, bytesperline, sizeimage; |
| 192 | __u32 field, colorspace; |
| 193 | __u16 mask1, mask2, mask3, mask4; |
| 194 | char name1[32], name2[32], name3[32], name4[32]; |
| 195 | |
| 196 | for (i = 0, n = 0; i < STANDARD_MANY; i++) { |
| 197 | mask1 = 0x0000; |
| 198 | switch (i) { |
| 199 | case PAL_BGHIN: { |
| 200 | mask1 = PAL_BGHIN; |
| 201 | strcpy(&name1[0], "PAL_BGHIN"); |
| 202 | colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| 203 | break; |
| 204 | } |
| 205 | case SECAM: { |
| 206 | mask1 = SECAM; |
| 207 | strcpy(&name1[0], "SECAM"); |
| 208 | colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| 209 | break; |
| 210 | } |
| 211 | case PAL_Nc: { |
| 212 | mask1 = PAL_Nc; |
| 213 | strcpy(&name1[0], "PAL_Nc"); |
| 214 | colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| 215 | break; |
| 216 | } |
| 217 | case PAL_60: { |
| 218 | mask1 = PAL_60; |
| 219 | strcpy(&name1[0], "PAL_60"); |
| 220 | colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| 221 | break; |
| 222 | } |
| 223 | case PAL_M: { |
| 224 | mask1 = PAL_M; |
| 225 | strcpy(&name1[0], "PAL_M"); |
| 226 | colorspace = V4L2_COLORSPACE_470_SYSTEM_BG; |
| 227 | break; |
| 228 | } |
| 229 | case NTSC_M: { |
| 230 | mask1 = NTSC_M; |
| 231 | strcpy(&name1[0], "NTSC_M"); |
| 232 | colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| 233 | break; |
| 234 | } |
| 235 | case NTSC_443: { |
| 236 | mask1 = NTSC_443; |
| 237 | strcpy(&name1[0], "NTSC_443"); |
| 238 | colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| 239 | break; |
| 240 | } |
| 241 | case NTSC_M_JP: { |
| 242 | mask1 = NTSC_M_JP; |
| 243 | strcpy(&name1[0], "NTSC_M_JP"); |
| 244 | colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| 245 | break; |
| 246 | } |
| 247 | case NTSC_N: { |
| 248 | mask1 = NTSC_M; |
| 249 | strcpy(&name1[0], "NTSC_N"); |
| 250 | colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| 251 | break; |
| 252 | } |
| 253 | case NTSC_N_443: { |
| 254 | mask1 = NTSC_N_443; |
| 255 | strcpy(&name1[0], "NTSC_N_443"); |
| 256 | colorspace = V4L2_COLORSPACE_470_SYSTEM_M; |
| 257 | break; |
| 258 | } |
| 259 | default: |
| 260 | return -1; |
| 261 | } |
| 262 | |
| 263 | for (j = 0; j < RESOLUTION_MANY; j++) { |
| 264 | mask2 = 0x0000; |
| 265 | switch (j) { |
| 266 | case AT_720x576: { |
| 267 | if (0x1 & mask1) |
| 268 | continue; |
| 269 | strcpy(&name2[0], "_AT_720x576"); |
| 270 | width = 720; height = 576; break; |
| 271 | } |
| 272 | case AT_704x576: { |
| 273 | if (0x1 & mask1) |
| 274 | continue; |
| 275 | strcpy(&name2[0], "_AT_704x576"); |
| 276 | width = 704; height = 576; break; |
| 277 | } |
| 278 | case AT_640x480: { |
| 279 | strcpy(&name2[0], "_AT_640x480"); |
| 280 | width = 640; height = 480; break; |
| 281 | } |
| 282 | case AT_720x480: { |
| 283 | if (!(0x1 & mask1)) |
| 284 | continue; |
| 285 | strcpy(&name2[0], "_AT_720x480"); |
| 286 | width = 720; height = 480; break; |
| 287 | } |
| 288 | case AT_360x288: { |
| 289 | if (0x1 & mask1) |
| 290 | continue; |
| 291 | strcpy(&name2[0], "_AT_360x288"); |
| 292 | width = 360; height = 288; mask2 = 0x0800; break; |
| 293 | } |
| 294 | case AT_320x240: { |
| 295 | strcpy(&name2[0], "_AT_320x240"); |
| 296 | width = 320; height = 240; mask2 = 0x0800; break; |
| 297 | } |
| 298 | case AT_360x240: { |
| 299 | if (!(0x1 & mask1)) |
| 300 | continue; |
| 301 | strcpy(&name2[0], "_AT_360x240"); |
| 302 | width = 360; height = 240; mask2 = 0x0800; break; |
| 303 | } |
| 304 | default: |
| 305 | return -2; |
| 306 | } |
| 307 | |
| 308 | for (k = 0; k < PIXELFORMAT_MANY; k++) { |
| 309 | mask3 = 0x0000; |
| 310 | switch (k) { |
| 311 | case FMT_UYVY: { |
| 312 | strcpy(&name3[0], "_" STRINGIZE(FMT_UYVY)); |
| 313 | pixelformat = V4L2_PIX_FMT_UYVY; |
| 314 | mask3 |= (0x02 << 4); |
| 315 | break; |
| 316 | } |
| 317 | case FMT_YUY2: { |
| 318 | strcpy(&name3[0], "_" STRINGIZE(FMT_YUY2)); |
| 319 | pixelformat = V4L2_PIX_FMT_YUYV; |
| 320 | mask3 |= (0x02 << 4); |
| 321 | mask3 |= 0x0100; |
| 322 | break; |
| 323 | } |
| 324 | case FMT_RGB24: { |
| 325 | strcpy(&name3[0], "_" STRINGIZE(FMT_RGB24)); |
| 326 | pixelformat = V4L2_PIX_FMT_RGB24; |
| 327 | mask3 |= (0x03 << 4); |
| 328 | break; |
| 329 | } |
| 330 | case FMT_RGB32: { |
| 331 | strcpy(&name3[0], "_" STRINGIZE(FMT_RGB32)); |
| 332 | pixelformat = V4L2_PIX_FMT_RGB32; |
| 333 | mask3 |= (0x04 << 4); |
| 334 | break; |
| 335 | } |
| 336 | case FMT_BGR24: { |
| 337 | strcpy(&name3[0], "_" STRINGIZE(FMT_BGR24)); |
| 338 | pixelformat = V4L2_PIX_FMT_BGR24; |
| 339 | mask3 |= (0x03 << 4); |
| 340 | mask3 |= 0x0100; |
| 341 | break; |
| 342 | } |
| 343 | case FMT_BGR32: { |
| 344 | strcpy(&name3[0], "_" STRINGIZE(FMT_BGR32)); |
| 345 | pixelformat = V4L2_PIX_FMT_BGR32; |
| 346 | mask3 |= (0x04 << 4); |
| 347 | mask3 |= 0x0100; |
| 348 | break; |
| 349 | } |
| 350 | default: |
| 351 | return -3; |
| 352 | } |
| 353 | bytesperline = width * ((mask3 & 0x00F0) >> 4); |
| 354 | sizeimage = bytesperline * height; |
| 355 | |
| 356 | for (m = 0; m < INTERLACE_MANY; m++) { |
| 357 | mask4 = 0x0000; |
| 358 | switch (m) { |
| 359 | case FIELD_NONE: { |
| 360 | strcpy(&name4[0], "-n"); |
| 361 | field = V4L2_FIELD_NONE; |
| 362 | break; |
| 363 | } |
| 364 | case FIELD_INTERLACED: { |
| 365 | strcpy(&name4[0], "-i"); |
| 366 | field = V4L2_FIELD_INTERLACED; |
| 367 | break; |
| 368 | } |
| 369 | case FIELD_ALTERNATE: { |
| 370 | strcpy(&name4[0], "-a"); |
| 371 | mask4 |= 0x1000; |
| 372 | field = V4L2_FIELD_ALTERNATE; |
| 373 | break; |
| 374 | } |
| 375 | default: |
| 376 | return -4; |
| 377 | } |
| 378 | if (SETTINGS_MANY <= n) |
| 379 | return -5; |
| 380 | strcpy(&easycap_format[n].name[0], &name1[0]); |
| 381 | strcat(&easycap_format[n].name[0], &name2[0]); |
| 382 | strcat(&easycap_format[n].name[0], &name3[0]); |
| 383 | strcat(&easycap_format[n].name[0], &name4[0]); |
| 384 | easycap_format[n].mask = \ |
| 385 | mask1 | mask2 | mask3 | mask4; |
| 386 | easycap_format[n].v4l2_format\ |
| 387 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 388 | easycap_format[n].v4l2_format\ |
| 389 | .fmt.pix.width = width; |
| 390 | easycap_format[n].v4l2_format\ |
| 391 | .fmt.pix.height = height; |
| 392 | easycap_format[n].v4l2_format\ |
| 393 | .fmt.pix.pixelformat = pixelformat; |
| 394 | easycap_format[n].v4l2_format\ |
| 395 | .fmt.pix.field = field; |
| 396 | easycap_format[n].v4l2_format\ |
| 397 | .fmt.pix.bytesperline = bytesperline; |
| 398 | easycap_format[n].v4l2_format\ |
| 399 | .fmt.pix.sizeimage = sizeimage; |
| 400 | easycap_format[n].v4l2_format\ |
| 401 | .fmt.pix.colorspace = colorspace; |
| 402 | easycap_format[n].v4l2_format\ |
| 403 | .fmt.pix.priv = 0; |
| 404 | n++; |
| 405 | } |
| 406 | } |
| 407 | } |
| 408 | } |
| 409 | if ((1 + SETTINGS_MANY) <= n) |
| 410 | return -6; |
| 411 | easycap_format[n].mask = 0xFFFF; |
| 412 | return n; |
| 413 | } |
| 414 | /*---------------------------------------------------------------------------*/ |
| 415 | struct v4l2_queryctrl easycap_control[] = \ |
| 416 | {{ |
| 417 | .id = V4L2_CID_BRIGHTNESS, |
| 418 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 419 | .name = "Brightness", |
| 420 | .minimum = 0, |
| 421 | .maximum = 255, |
| 422 | .step = 1, |
| 423 | .default_value = SAA_0A_DEFAULT, |
| 424 | .flags = 0, |
| 425 | .reserved = {0, 0} |
| 426 | }, |
| 427 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 428 | { |
| 429 | .id = V4L2_CID_CONTRAST, |
| 430 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 431 | .name = "Contrast", |
| 432 | .minimum = 0, |
| 433 | .maximum = 255, |
| 434 | .step = 1, |
| 435 | .default_value = SAA_0B_DEFAULT + 128, |
| 436 | .flags = 0, |
| 437 | .reserved = {0, 0} |
| 438 | }, |
| 439 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 440 | { |
| 441 | .id = V4L2_CID_SATURATION, |
| 442 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 443 | .name = "Saturation", |
| 444 | .minimum = 0, |
| 445 | .maximum = 255, |
| 446 | .step = 1, |
| 447 | .default_value = SAA_0C_DEFAULT + 128, |
| 448 | .flags = 0, |
| 449 | .reserved = {0, 0} |
| 450 | }, |
| 451 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 452 | { |
| 453 | .id = V4L2_CID_HUE, |
| 454 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 455 | .name = "Hue", |
| 456 | .minimum = 0, |
| 457 | .maximum = 255, |
| 458 | .step = 1, |
| 459 | .default_value = SAA_0D_DEFAULT + 128, |
| 460 | .flags = 0, |
| 461 | .reserved = {0, 0} |
| 462 | }, |
| 463 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 464 | { |
| 465 | .id = V4L2_CID_AUDIO_VOLUME, |
| 466 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 467 | .name = "Volume", |
| 468 | .minimum = 0, |
| 469 | .maximum = 31, |
| 470 | .step = 1, |
| 471 | .default_value = 16, |
| 472 | .flags = 0, |
| 473 | .reserved = {0, 0} |
| 474 | }, |
| 475 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 476 | { |
| 477 | .id = V4L2_CID_AUDIO_MUTE, |
| 478 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 479 | .name = "Mute", |
| 480 | .default_value = true, |
| 481 | .flags = 0, |
| 482 | .reserved = {0, 0} |
| 483 | }, |
| 484 | /* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */ |
| 485 | { |
| 486 | .id = 0xFFFFFFFF |
| 487 | } |
| 488 | }; |
| 489 | /*****************************************************************************/ |