git.sesse.net Git - vlc/blob - modules/video_filter/atmo/atmo.cpp

   1 /*****************************************************************************
   2 * atmo.cpp : "Atmo Light" video filter
   3 *****************************************************************************
   4 * Copyright (C) 2000-2006 the VideoLAN team
   5 * $Id$
   6 *
   7 * Authors: André Weber (WeberAndre@gmx.de)
   8 *
   9 * This program is free software; you can redistribute it and/or modify
  10 * it under the terms of the GNU General Public License as published by
  11 * the Free Software Foundation; either version 2 of the License, or
  12 * (at your option) any later version.
  13 *
  14 * This program is distributed in the hope that it will be useful,
  15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 * GNU General Public License for more details.
  18 *
  19 * You should have received a copy of the GNU General Public License
  20 * along with this program; if not, write to the Free Software
  21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  22 *****************************************************************************/
  23
  24 /*****************************************************************************
  25 * Preamble
  26 *****************************************************************************/
  27 #include <stdlib.h>                                      /* malloc(), free() */
  28 #include <string.h>
  29 #include <math.h>                                            /* sin(), cos() */
  30
  31 #ifdef HAVE_CONFIG_H
  32 # include "config.h"
  33 #endif
  34
  35 // #define __ATMO_DEBUG__
  36 // [:Zs]+$
  37 #include <vlc_common.h>
  38 #include <vlc_plugin.h>
  39 #include <vlc_vout.h>
  40
  41 #include <vlc_playlist.h>
  42 #include "vlc_filter.h"
  43
  44 #include "AtmoDefs.h"
  45 #include "AtmoDynData.h"
  46 #include "AtmoLiveView.h"
  47 #include "AtmoTools.h"
  48 #include "AtmoExternalCaptureInput.h"
  49 #include "AtmoConfig.h"
  50 #include "AtmoConnection.h"
  51 #include "AtmoSerialConnection.h"
  52
  53
  54 /*****************************************************************************
  55 * Local prototypes
  56 *****************************************************************************/
  57 /* directly to vlc related functions required that the module is accepted */
  58 static int  CreateFilter    ( vlc_object_t * );
  59 static void DestroyFilter   ( vlc_object_t * );
  60 static picture_t * Filter( filter_t *, picture_t *);
  61
  62 /* callback for global variable state pause / continue / stop events */
  63 static void AddStateVariableCallback( filter_t *);
  64 static void DelStateVariableCallback( filter_t *);
  65 static int StateCallback(vlc_object_t *, char const *,
  66                          vlc_value_t, vlc_value_t, void *);
  67
  68 /* callback for variable crop-update */
  69 static void AddCropVariableCallback( filter_t *);
  70 static void DelCropVariableCallback( filter_t *);
  71 static int CropCallback(vlc_object_t *, char const *,
  72                         vlc_value_t, vlc_value_t, void *);
  73
  74 /* callback for atmo settings variables whose change
  75    should be immediately realized and applied to output
  76 */
  77 static void DelAtmoSettingsVariablesCallbacks(filter_t *);
  78 static void AddAtmoSettingsVariablesCallbacks(filter_t *);
  79 static int AtmoSettingsCallback(vlc_object_t *, char const *,
  80                                 vlc_value_t, vlc_value_t, void *);
  81
  82
  83 #if defined(__ATMO_DEBUG__)
  84 static void atmo_parse_crop(char *psz_cropconfig,
  85                             video_format_t fmt_in,
  86                             video_format_t fmt_render,
  87                             int &i_visible_width,
  88                             int &i_visible_height,
  89                             int &i_x_offset,
  90                             int &i_y_offset );
  91 #endif
  92
  93
  94 /* function to shutdown the fade thread which is started on pause*/
  95 static void CheckAndStopFadeThread(filter_t *);
  96
  97 /* extracts a small RGB (BGR) Image from an YUV image */
  98 static void ExtractMiniImage_YUV(filter_sys_t *, picture_t *, uint8_t *);
  99
 100 #if defined(__ATMO_DEBUG__)
 101 void SaveBitmap(filter_sys_t *p_sys, uint8_t *p_pixels, char *psz_filename);
 102 #endif
 103
 104 /*****************************************************************************
 105 * External Prototypes for the AtmoCtrlLib.DLL
 106 *****************************************************************************/
 107 /*
 108 * if effectmode = emLivePicture then the source could be GDI (Screencapture)
 109 * or External - this means another application delivers Pixeldata to AtmoWin
 110 * Clientsoftware through  AtmoCtrlLib.DLL and the COM Api
 111 */
 112 #define lvsGDI           0
 113 #define lvsExternal      1
 114
 115
 116 /*
 117 strings for settings menus and hints
 118 */
 119 #define MODULE_DESCRIPTION N_ ( \
 120  "This module allows to control an so called AtmoLight device "\
 121  "connected to your computer.\n"\
 122  "AtmoLight is the homegrown version of what Philips calls AmbiLight.\n"\
 123  "If you need further information feel free to visit us at\n\n"\
 124  "http://www.vdr-wiki.de/wiki/index.php/Atmo-plugin\n "\
 125  "http://www.vdr-wiki.de/wiki/index.php/AtmoWin\n\n"\
 126  "You can find there detailed descriptions on how to build it for yourself "\
 127  "and where to get the required parts.\n" \
 128  "You can also have a look at pictures and some movies showing such a device " \
 129  "in live action.")
 130
 131
 132
 133 #if defined( __ATMO_DEBUG__ )
 134 #   define SAVEFRAMES_TEXT     N_("Save Debug Frames")
 135 #   define SAVEFRAMES_LONGTEXT N_("Write every 128th miniframe to a folder.")
 136 #   define FRAMEPATH_TEXT      N_("Debug Frame Folder")
 137 #   define FRAMEPATH_LONGTEXT  N_("The path where the debugframes " \
 138                                   "should be saved")
 139 #endif
 140
 141 #define WIDTH_TEXT             N_("Extracted Image Width")
 142 #define WIDTH_LONGTEXT         N_("The width of the mini image for " \
 143                                   "further processing (64 is default)")
 144
 145 #define HEIGHT_TEXT            N_("Extracted Image Height")
 146 #define HEIGHT_LONGTEXT        N_("The height of the mini image for " \
 147                                   "further processing (48 is default)")
 148
 149 #define PCOLOR_TEXT            N_("Color when paused")
 150 #define PCOLOR_LONGTEXT        N_("Set the color to show if the user " \
 151                                   "pauses the video. (Have light to get " \
 152                                   "another beer?)")
 153 #define PCOLOR_RED_TEXT        N_("Pause-Red")
 154 #define PCOLOR_RED_LONGTEXT    N_("Red component of the pause color")
 155 #define PCOLOR_GREEN_TEXT      N_("Pause-Green")
 156 #define PCOLOR_GREEN_LONGTEXT  N_("Green component of the pause color")
 157 #define PCOLOR_BLUE_TEXT       N_("Pause-Blue")
 158 #define PCOLOR_BLUE_LONGTEXT   N_("Blue component of the pause color")
 159 #define FADESTEPS_TEXT         N_("Pause-Fadesteps")
 160 #define FADESTEPS_LONGTEXT     N_("Number of steps to change current color " \
 161                                   "to pause color (each step takes 40ms)")
 162
 163 #define ECOLOR_RED_TEXT        N_("End-Red")
 164 #define ECOLOR_RED_LONGTEXT    N_("Red component of the shutdown color")
 165 #define ECOLOR_GREEN_TEXT      N_("End-Green")
 166 #define ECOLOR_GREEN_LONGTEXT  N_("Green component of the shutdown color")
 167 #define ECOLOR_BLUE_TEXT       N_("End-Blue")
 168 #define ECOLOR_BLUE_LONGTEXT   N_("Blue component of the shutdown color")
 169 #define EFADESTEPS_TEXT        N_("End-Fadesteps")
 170 #define EFADESTEPS_LONGTEXT  N_("Number of steps to change current color to " \
 171                              "end color for dimming up the light in cinema " \
 172                              "style... (each step takes 40ms)")
 173
 174 #define USEWHITEADJ_TEXT       N_("Use Software White adjust")
 175 #define USEWHITEADJ_LONGTEXT   N_("Should the buildin driver do a white " \
 176                                   "adjust or your LED stripes? recommend.")
 177 #define WHITE_RED_TEXT         N_("White Red")
 178 #define WHITE_RED_LONGTEXT     N_("Red value of a pure white on your "\
 179                                   "LED stripes.")
 180 #define WHITE_GREEN_TEXT       N_("White Green")
 181 #define WHITE_GREEN_LONGTEXT   N_("Green value of a pure white on your "\
 182                                   "LED stripes.")
 183 #define WHITE_BLUE_TEXT        N_("White Blue")
 184 #define WHITE_BLUE_LONGTEXT    N_("Blue value of a pure white on your "\
 185                                   "LED stripes.")
 186
 187 #define SERIALDEV_TEXT         N_("Serial Port/Device")
 188 #define SERIALDEV_LONGTEXT   N_("Name of the serial port where the AtmoLight "\
 189                                 "controller is attached to.\n" \
 190                                 "On Windows usually something like COM1 or " \
 191                                 "COM2. On Linux /dev/ttyS01 f.e.")
 192
 193 #define EDGE_TEXT            N_("Edge Weightning")
 194 #define EDGE_LONGTEXT        N_("Increasing this value will result in color "\
 195                                 "more depending on the border of the frame.")
 196 #define BRIGHTNESS_TEXT     N_("Brightness")
 197 #define BRIGHTNESS_LONGTEXT N_("Overall brightness of your LED stripes")
 198 #define DARKNESS_TEXT       N_("Darkness Limit")
 199 #define DARKNESS_LONGTEXT   N_("Pixels with a saturation lower than this will "\
 200                                "be ignored. Should be greater than one for "\
 201                                "letterboxed videos.")
 202 #define HUEWINSIZE_TEXT     N_("Hue windowing")
 203 #define HUEWINSIZE_LONGTEXT N_("Used for statistics.")
 204 #define SATWINSIZE_TEXT     N_("Sat windowing")
 205 #define SATWINSIZE_LONGTEXT N_("Used for statistics.")
 206
 207 #define MEANLENGTH_TEXT     N_("Filter length (ms)")
 208 #define MEANLENGTH_LONGTEXT N_("Time it takes until a color is completely "\
 209                                 "changed. This prevents flickering.")
 210 #define MEANTHRESHOLD_TEXT     N_("Filter threshold")
 211 #define MEANTHRESHOLD_LONGTEXT N_("How much a color has to be changed for an "\
 212                                   "immediate color change.")
 213 #define MEANPERCENTNEW_TEXT     N_("Filter Smoothness (in %)")
 214 #define MEANPERCENTNEW_LONGTEXT N_("Filter Smoothness")
 215
 216 /* FIXME: WTF?!! feepk, July 6 '08 */
 217 #define FILTERMODE_TEXT        N_("Filter mode")
 218 #define FILTERMODE_LONGTEXT    N_("kind of filtering which should be use to "\
 219                                   "calcuate the color output")
 220 static int pi_filtermode_values[] = {
 221        (int)afmNoFilter,
 222        (int)afmCombined,
 223        (int)afmPercent
 224 };
 225 static const char *ppsz_filtermode_descriptions[] = {
 226         N_("No Filtering"),
 227         N_("Combined"),
 228         N_("Percent")
 229 };
 230
 231 #define FRAMEDELAY_TEXT       N_("Frame delay")
 232 #define FRAMEDELAY_LONGTEXT   N_("Helps to get the video output and the light "\
 233                                  "effects in sync. Values around 20ms should " \
 234                                  "do the trick.")
 235
 236
 237 #define CHANNEL_0_ASSIGN_TEXT N_("Channel summary")
 238 #define CHANNEL_1_ASSIGN_TEXT N_("Channel left")
 239 #define CHANNEL_2_ASSIGN_TEXT N_("Channel right")
 240 #define CHANNEL_3_ASSIGN_TEXT N_("Channel top")
 241 #define CHANNEL_4_ASSIGN_TEXT N_("Channel bottom")
 242
 243 #define CHANNELASSIGN_LONGTEXT N_("Maps the hardware channel X to logical "\
 244                                   "channel Y to fix wrong wiring :-)")
 245 static int pi_channel_assignment_values[] = {
 246     -1,
 247      0,
 248      1,
 249      2,
 250      3,
 251      4
 252 };
 253 static const char *ppsz_channel_assignment_descriptions[] = {
 254         N_("disabled"),
 255         N_("summary"),
 256         N_("left"),
 257         N_("right"),
 258         N_("top"),
 259         N_("bottom")
 260 };
 261
 262 #define ZONE_0_GRADIENT_TEXT N_("Summary gradient")
 263 #define ZONE_1_GRADIENT_TEXT N_("Left gradient")
 264 #define ZONE_2_GRADIENT_TEXT N_("Right gradient")
 265 #define ZONE_3_GRADIENT_TEXT N_("Top gradient")
 266 #define ZONE_4_GRADIENT_TEXT N_("Bottom gradient")
 267 #define ZONE_X_GRADIENT_LONG_TEXT N_("Defines a small bitmap with 64x48 "\
 268                                      "pixels, containing a grayscale gradient")
 269
 270 #if defined( WIN32 )
 271 #   define ATMOWINEXE_TEXT      N_("Filename of AtmoWinA.exe")
 272 #   define ATMOWINEXE_LONGTEXT  N_("if you want the AtmoLight control "\
 273                                    "software to be launched by VLC, enter the "\
 274                                    "complete path of AtmoWinA.exe here.")
 275 #   define USEBUILDIN_TEXT      N_("Use built-in AtmoLight")
 276 #   define USEBUILDIN_LONGTEXT N_("VLC will directly use your AtmoLight "\
 277                                   "hardware without running the external "\
 278                                   "AtmoWinA.exe Userspace driver.")
 279 #endif
 280
 281 #define CFG_PREFIX "atmo-"
 282
 283 /*****************************************************************************
 284 * Module descriptor
 285 *****************************************************************************/
 286 vlc_module_begin();
 287 set_description( N_("AtmoLight Filter") );
 288 set_help( MODULE_DESCRIPTION );
 289 set_shortname( N_( "AtmoLight" ));
 290 set_capability( "video filter2", 0 );
 291
 292 set_category( CAT_VIDEO );
 293 set_subcategory( SUBCAT_VIDEO_VFILTER );
 294
 295 #if defined(WIN32)
 296 set_section( N_("Choose between the built-in AtmoLight "\
 297                  "driver or the external" ), 0 );
 298
 299 /*
 300     only on win32 exists the option to use the buildin driver or
 301     the more flexible external driver application
 302 */
 303 add_bool(CFG_PREFIX "usebuildin", true, NULL,
 304          USEBUILDIN_TEXT, USEBUILDIN_LONGTEXT, false);
 305 add_string(CFG_PREFIX "serialdev", "COM1", NULL,
 306            SERIALDEV_TEXT, SERIALDEV_LONGTEXT, false );
 307
 308 /*
 309     on win32 the executeable external driver application
 310     for automatic start if needed
 311 */
 312 add_file(CFG_PREFIX "atmowinexe", NULL, NULL,
 313          ATMOWINEXE_TEXT, ATMOWINEXE_LONGTEXT, false );
 314 #else
 315 set_section( N_("Enter the connection of your AtmoLight hardware" ), 0 );
 316 add_string(CFG_PREFIX "serialdev", "/dev/ttyS01", NULL,
 317            SERIALDEV_TEXT, SERIALDEV_LONGTEXT, false );
 318 #endif
 319
 320 /*
 321     color which is showed if you want durring pausing
 322     your movie ... used for both buildin / external
 323 */
 324 set_section( N_("Illuminate the room with this color on pause" ), 0 );
 325 add_bool(CFG_PREFIX "usepausecolor", false, NULL,
 326          PCOLOR_TEXT, PCOLOR_LONGTEXT, false);
 327 add_integer_with_range(CFG_PREFIX "pcolor-red",   0, 0, 255, NULL,
 328                        PCOLOR_RED_TEXT, PCOLOR_RED_LONGTEXT, false);
 329 add_integer_with_range(CFG_PREFIX "pcolor-green", 0, 0, 255, NULL,
 330                        PCOLOR_GREEN_TEXT, PCOLOR_GREEN_LONGTEXT, false);
 331 add_integer_with_range(CFG_PREFIX "pcolor-blue",  192, 0, 255, NULL,
 332                        PCOLOR_BLUE_TEXT, PCOLOR_BLUE_LONGTEXT, false);
 333 add_integer_with_range(CFG_PREFIX "fadesteps", 50, 1, 250, NULL,
 334                        FADESTEPS_TEXT, FADESTEPS_LONGTEXT, false);
 335
 336 /*
 337     color which is showed if you finished watching your movie ...
 338     used for both buildin / external
 339 */
 340 set_section( N_("Illuminate the room with this color on shutdown" ), 0 );
 341 add_integer_with_range(CFG_PREFIX "ecolor-red",   192, 0, 255, NULL,
 342                        ECOLOR_RED_TEXT,   ECOLOR_RED_LONGTEXT,   false);
 343 add_integer_with_range(CFG_PREFIX "ecolor-green", 192, 0, 255, NULL,
 344                        ECOLOR_GREEN_TEXT, ECOLOR_GREEN_LONGTEXT, false);
 345 add_integer_with_range(CFG_PREFIX "ecolor-blue",  192, 0, 255, NULL,
 346                        ECOLOR_BLUE_TEXT,  ECOLOR_BLUE_LONGTEXT,  false);
 347 add_integer_with_range(CFG_PREFIX "efadesteps",    50, 1, 250, NULL,
 348                        EFADESTEPS_TEXT,   EFADESTEPS_LONGTEXT,    false);
 349
 350 /*
 351  settings only for the buildin driver (if external driver app is used
 352  these parameters are ignored.)
 353
 354  definition of parameters for the buildin filter ...
 355 */
 356 set_section( N_("Settings for the built-in Live Video Processor only" ), 0 );
 357
 358 add_integer_with_range(CFG_PREFIX "EdgeWeightning",   8, 1, 30, NULL,
 359                        EDGE_TEXT, EDGE_LONGTEXT, false);
 360
 361 add_integer_with_range(CFG_PREFIX "Brightness",   100, 50, 300, NULL,
 362                        BRIGHTNESS_TEXT, BRIGHTNESS_LONGTEXT, false);
 363
 364 add_integer_with_range(CFG_PREFIX "DarknessLimit",   5, 0, 10, NULL,
 365                        DARKNESS_TEXT, DARKNESS_LONGTEXT, false);
 366
 367 add_integer_with_range(CFG_PREFIX "HueWinSize",   3, 0, 5, NULL,
 368                        HUEWINSIZE_TEXT, HUEWINSIZE_LONGTEXT, false);
 369
 370 add_integer_with_range(CFG_PREFIX "SatWinSize",   3, 0, 5, NULL,
 371                        SATWINSIZE_TEXT, SATWINSIZE_LONGTEXT, false);
 372
 373 add_integer(CFG_PREFIX "filtermode", (int)afmCombined, NULL,
 374             FILTERMODE_TEXT, FILTERMODE_LONGTEXT, false );
 375
 376 change_integer_list(pi_filtermode_values, ppsz_filtermode_descriptions, 0 );
 377
 378 add_integer_with_range(CFG_PREFIX "MeanLength",    300, 300, 5000, NULL,
 379                        MEANLENGTH_TEXT, MEANLENGTH_LONGTEXT, false);
 380
 381 add_integer_with_range(CFG_PREFIX "MeanThreshold",  40, 1, 100, NULL,
 382                        MEANTHRESHOLD_TEXT, MEANTHRESHOLD_LONGTEXT, false);
 383
 384 add_integer_with_range(CFG_PREFIX "PercentNew", 50, 1, 100, NULL,
 385                       MEANPERCENTNEW_TEXT, MEANPERCENTNEW_LONGTEXT, false);
 386
 387 add_integer_with_range(CFG_PREFIX "FrameDelay", 18, 0, 35, NULL,
 388                        FRAMEDELAY_TEXT, FRAMEDELAY_LONGTEXT, false);
 389
 390 /*
 391   output channel reordering
 392 */
 393 set_section( N_("Change channel assignment (fixes wrong wiring)" ), 0 );
 394 add_integer( CFG_PREFIX "channel_0", 0, NULL,
 395             CHANNEL_0_ASSIGN_TEXT, CHANNELASSIGN_LONGTEXT, false );
 396 change_integer_list( pi_channel_assignment_values,
 397                      ppsz_channel_assignment_descriptions, 0 );
 398
 399 add_integer( CFG_PREFIX "channel_1", 1, NULL,
 400             CHANNEL_1_ASSIGN_TEXT, CHANNELASSIGN_LONGTEXT, false );
 401 change_integer_list( pi_channel_assignment_values,
 402                      ppsz_channel_assignment_descriptions, 0 );
 403
 404 add_integer( CFG_PREFIX "channel_2", 2, NULL,
 405             CHANNEL_2_ASSIGN_TEXT, CHANNELASSIGN_LONGTEXT, false );
 406 change_integer_list( pi_channel_assignment_values,
 407                      ppsz_channel_assignment_descriptions, 0 );
 408
 409 add_integer( CFG_PREFIX "channel_3", 3, NULL,
 410             CHANNEL_3_ASSIGN_TEXT, CHANNELASSIGN_LONGTEXT, false );
 411 change_integer_list( pi_channel_assignment_values,
 412                      ppsz_channel_assignment_descriptions, 0 );
 413
 414 add_integer( CFG_PREFIX "channel_4", 4, NULL,
 415             CHANNEL_4_ASSIGN_TEXT, CHANNELASSIGN_LONGTEXT, false );
 416 change_integer_list( pi_channel_assignment_values,
 417                      ppsz_channel_assignment_descriptions, 0 );
 418
 419 /*
 420   LED color white calibration
 421 */
 422 set_section( N_("Adjust the white light to your LED stripes" ), 0 );
 423 add_bool(CFG_PREFIX "whiteadj", true, NULL,
 424          USEWHITEADJ_TEXT, USEWHITEADJ_LONGTEXT, false);
 425 add_integer_with_range(CFG_PREFIX "white-red",   255, 0, 255, NULL,
 426                        WHITE_RED_TEXT,   WHITE_RED_LONGTEXT,   false);
 427
 428 add_integer_with_range(CFG_PREFIX "white-green", 255, 0, 255, NULL,
 429                        WHITE_GREEN_TEXT, WHITE_GREEN_LONGTEXT, false);
 430
 431 add_integer_with_range(CFG_PREFIX "white-blue",  255, 0, 255, NULL,
 432                        WHITE_BLUE_TEXT,  WHITE_BLUE_LONGTEXT,  false);
 433 /* end of definition of parameter for the buildin filter ... part 1 */
 434
 435
 436 /*
 437 only for buildin (external has own definition) per default the calucation
 438 used linear gradients for assigning a priority to the pixel - depending
 439 how near they are to the border ...for changing this you can create 64x48
 440 Pixel BMP files - which contain your own grayscale... (you can produce funny
 441 effects with this...) the images MUST not compressed, should have 24-bit per
 442 pixel, or a simple 256 color grayscale palette
 443 */
 444 set_section( N_("Change gradients" ), 0 );
 445 add_file(CFG_PREFIX "gradient_zone_0", NULL, NULL,
 446          ZONE_0_GRADIENT_TEXT, ZONE_X_GRADIENT_LONG_TEXT, true );
 447 add_file(CFG_PREFIX "gradient_zone_1", NULL, NULL,
 448          ZONE_1_GRADIENT_TEXT, ZONE_X_GRADIENT_LONG_TEXT, true );
 449 add_file(CFG_PREFIX "gradient_zone_2", NULL, NULL,
 450          ZONE_2_GRADIENT_TEXT, ZONE_X_GRADIENT_LONG_TEXT, true );
 451 add_file(CFG_PREFIX "gradient_zone_3", NULL, NULL,
 452          ZONE_3_GRADIENT_TEXT, ZONE_X_GRADIENT_LONG_TEXT, true );
 453 add_file(CFG_PREFIX "gradient_zone_4", NULL, NULL,
 454          ZONE_4_GRADIENT_TEXT, ZONE_X_GRADIENT_LONG_TEXT, true );
 455
 456
 457 #if defined(__ATMO_DEBUG__)
 458 add_bool(CFG_PREFIX "saveframes", false, NULL,
 459          SAVEFRAMES_TEXT, SAVEFRAMES_LONGTEXT, false);
 460 add_string(CFG_PREFIX "framepath", "", NULL,
 461            FRAMEPATH_TEXT, FRAMEPATH_LONGTEXT, false );
 462 #endif
 463 /*
 464    may be later if computers gets more power ;-) than now we increase
 465    the samplesize from which we do the stats for output color calculation
 466 */
 467 add_integer_with_range(CFG_PREFIX "width",  64, 64, 512, NULL,
 468                        WIDTH_TEXT,  WIDTH_LONGTEXT, true);
 469 add_integer_with_range(CFG_PREFIX "height", 48, 48, 384, NULL,
 470                        HEIGHT_TEXT,  HEIGHT_LONGTEXT, true);
 471
 472 add_shortcut( "atmo" );
 473 set_callbacks( CreateFilter, DestroyFilter  );
 474 vlc_module_end();
 475
 476
 477 static const char *const ppsz_filter_options[] = {
 478 #if defined(WIN32)
 479         "usebuildin",
 480 #endif
 481         "serialdev",
 482
 483
 484         "EdgeWeightning",
 485         "Brightness",
 486         "DarknessLimit",
 487         "HueWinSize",
 488         "SatWinSize",
 489
 490         "filtermode",
 491
 492         "MeanLength",
 493         "MeanThreshold",
 494         "PercentNew",
 495         "FrameDelay",
 496
 497         "channel_0",
 498         "channel_1",
 499         "channel_2",
 500         "channel_3",
 501         "channel_4",
 502
 503         "whiteadj",
 504         "white-red",
 505         "white-green",
 506         "white-blue",
 507
 508         "usepausecolor",
 509         "pcolor-red",
 510         "pcolor-green",
 511         "pcolor-blue",
 512         "fadesteps",
 513
 514         "ecolor-red",
 515         "ecolor-green",
 516         "ecolor-blue",
 517         "efadesteps",
 518
 519
 520 #if defined(WIN32 )
 521         "usebuildin",
 522         "atmowinexe",
 523 #endif
 524 #if defined(__ATMO_DEBUG__)
 525         "saveframes" ,
 526         "framepath",
 527 #endif
 528         "width",
 529         "height",
 530         "gradient_zone_0",
 531         "gradient_zone_1",
 532         "gradient_zone_2",
 533         "gradient_zone_3",
 534         "gradient_zone_4",
 535         NULL
 536 };
 537
 538
 539 /*****************************************************************************
 540 * fadethread_t: Color Fading Thread
 541 *****************************************************************************
 542 * changes slowly the color of the output if videostream gets paused...
 543 *****************************************************************************
 544 */
 545 typedef struct
 546 {
 547     VLC_COMMON_MEMBERS
 548         filter_t *p_filter;
 549     /* tell the thread which color should be the target of fading */
 550     uint8_t ui_red;
 551     uint8_t ui_green;
 552     uint8_t ui_blue;
 553     /* how many steps should happen until this */
 554     int i_steps;
 555
 556 } fadethread_t;
 557
 558 static void FadeToColorThread(fadethread_t *p_fadethread);
 559
 560
 561 /*****************************************************************************
 562 * filter_sys_t: AtmoLight filter method descriptor
 563 *****************************************************************************
 564 * It describes the AtmoLight specific properties of an video filter.
 565 *****************************************************************************/
 566 struct filter_sys_t
 567 {
 568     /*
 569     special for the access of the p_fadethread member all other members
 570     need no special protection so far!
 571     */
 572     vlc_mutex_t filter_lock;
 573
 574     bool b_enabled;
 575     int32_t i_AtmoOldEffect;
 576     bool b_pause_live;
 577
 578     int32_t i_atmo_width;
 579     int32_t i_atmo_height;
 580
 581 #if defined(__ATMO_DEBUG__)
 582     bool  b_saveframes;
 583     int i_framecounter;
 584     char sz_framepath[MAX_PATH];
 585 #endif
 586
 587     /* light color durring movie pause ... */
 588     bool  b_usepausecolor;
 589     uint8_t ui_pausecolor_red;
 590     uint8_t ui_pausecolor_green;
 591     uint8_t ui_pausecolor_blue;
 592     int i_fadesteps;
 593
 594     /* light color on movie finish ... */
 595     uint8_t ui_endcolor_red;
 596     uint8_t ui_endcolor_green;
 597     uint8_t ui_endcolor_blue;
 598     int i_endfadesteps;
 599
 600     fadethread_t *p_fadethread;
 601
 602     /* Variables for buildin driver only... */
 603
 604     /* is only present and initialized if the internal driver is used*/
 605     CAtmoConfig *p_atmo_config;
 606     /* storage for temporal settings "volatile" */
 607     CAtmoDynData *p_atmo_dyndata;
 608     /* initialized for buildin driver with AtmoCreateTransferBuffers */
 609     BITMAPINFOHEADER mini_image_format;
 610     /* is only use buildin driver! */
 611     uint8_t *p_atmo_transfer_buffer;
 612     /* end buildin driver */
 613
 614     /*
 615     contains the real output size of the video calculated on
 616     change event of the variable "crop" from vout
 617     */
 618     int32_t i_crop_x_offset;
 619     int32_t i_crop_y_offset;
 620     int32_t i_crop_width;
 621     int32_t i_crop_height;
 622
 623     void (*pf_extract_mini_image) (filter_sys_t *p_sys,
 624         picture_t *p_inpic,
 625         uint8_t *p_transfer_dest);
 626
 627 #if defined( WIN32 )
 628     /* External Library as wrapper arround COM Stuff */
 629     HINSTANCE h_AtmoCtrl;
 630     int32_t (*pf_ctrl_atmo_initialize) (void);
 631     void (*pf_ctrl_atmo_finalize) (int32_t what);
 632     int32_t (*pf_ctrl_atmo_switch_effect) (int32_t);
 633     int32_t (*pf_ctrl_atmo_set_live_source) (int32_t);
 634     void (*pf_ctrl_atmo_create_transfer_buffers) (int32_t, int32_t,
 635                                                   int32_t , int32_t);
 636     uint8_t* (*pf_ctrl_atmo_lock_transfer_buffer) (void);
 637     void (*pf_ctrl_atmo_send_pixel_data) (void);
 638 #endif
 639 };
 640
 641 /*
 642 initialize previously configured Atmo Light environment
 643 - if internal is enabled try to access the device on the serial port
 644 - if not internal is enabled and we are on win32 try to initialize
 645 the previously loaded DLL ...
 646
 647 Return Values may be: -1 (failed for some reason - filter will be disabled)
 648 1 Ok. lets rock
 649 */
 650 static int32_t AtmoInitialize(filter_t *p_filter, bool b_for_thread)
 651 {
 652     filter_sys_t *p_sys = p_filter->p_sys;
 653     if(p_sys->p_atmo_config)
 654     {
 655         if(b_for_thread == false)
 656         {
 657             /* open com port */
 658             /* setup Output Threads ... */
 659             msg_Dbg( p_filter, "open serial connection %s",
 660                 p_sys->p_atmo_config->getSerialDevice());
 661
 662             if(CAtmoTools::RecreateConnection(p_sys->p_atmo_dyndata) == ATMO_TRUE)
 663             {
 664                 msg_Dbg( p_filter, "start live view thread ...");
 665                 CAtmoTools::SwitchEffect(p_sys->p_atmo_dyndata, emLivePicture);
 666                 msg_Dbg( p_filter, "live view thread launched...");
 667                 return 1;
 668
 669             } else {
 670                 msg_Err( p_filter,"failed to open serial device? some other software/driver may use it?");
 671             }
 672         }
 673 #if defined(WIN32)
 674     } else if(p_sys->pf_ctrl_atmo_initialize)
 675     {
 676         /* on win32 with active ctrl dll */
 677         return p_sys->pf_ctrl_atmo_initialize();
 678 #endif
 679     }
 680     return -1;
 681 }
 682
 683 /*
 684 prepare the shutdown of the effect threads,
 685 for build in filter - close the serialport after finishing the threads...
 686 cleanup possible loaded DLL...
 687 */
 688 static void AtmoFinalize(filter_t *p_filter, int32_t what)
 689 {
 690     filter_sys_t *p_sys = p_filter->p_sys;
 691     if(p_sys->p_atmo_config)
 692     {
 693         if(what == 1)
 694         {
 695             CAtmoDynData *p_atmo_dyndata = p_sys->p_atmo_dyndata;
 696             if(p_atmo_dyndata)
 697             {
 698                 p_atmo_dyndata->LockCriticalSection();
 699
 700                 CThread *p_effect_thread = p_atmo_dyndata->getEffectThread();
 701                 p_atmo_dyndata->setEffectThread(NULL);
 702                 if(p_effect_thread != NULL)
 703                 {
 704                     /*
 705                     forced the thread to die...
 706                     and wait for termination of the thread
 707                     */
 708                     p_effect_thread->Terminate();
 709                     delete p_effect_thread;
 710                     msg_Dbg( p_filter, "effect thread died peacefully");
 711                 }
 712
 713                 /*
 714                 close serial port if it is open (all OS specific is inside
 715                 CAtmoSerialConnection implemented / defined)
 716                 */
 717                 CAtmoConnection *p_atmo_connection =
 718                                  p_atmo_dyndata->getAtmoConnection();
 719                 p_atmo_dyndata->setAtmoConnection(NULL);
 720                 if(p_atmo_connection) {
 721                     p_atmo_connection->CloseConnection();
 722                     delete p_atmo_connection;
 723                 }
 724                 p_atmo_dyndata->UnLockCriticalSection();
 725             }
 726         }
 727 #if defined(WIN32)
 728     } else if(p_sys->pf_ctrl_atmo_finalize)
 729     {
 730         /* on win32 with active ctrl dll */
 731         p_sys->pf_ctrl_atmo_finalize(what);
 732 #endif
 733     }
 734 }
 735
 736 /*
 737 switch the current light effect - does only something on win32, with the
 738 external  libraries - if the buildin effects are used nothing happens
 739 */
 740 static int32_t AtmoSwitchEffect(filter_t *p_filter, int32_t newMode)
 741 {
 742     filter_sys_t *p_sys = p_filter->p_sys;
 743     if(p_sys->p_atmo_config)
 744     {
 745         /*
 746         buildin driver
 747
 748         doesnt know different modes for effects so this
 749         function call would just do nothing special
 750         in this case
 751         */
 752
 753 #if defined(WIN32)
 754     } else if(p_sys->pf_ctrl_atmo_switch_effect)
 755     {
 756         /* on win32 with active ctrl dll */
 757         return p_sys->pf_ctrl_atmo_switch_effect(newMode);
 758 #endif
 759     }
 760     return emDisabled;
 761 }
 762
 763 /*
 764 set the current live picture source, does only something on win32,
 765 with the external libraries - if the buildin effects are used nothing
 766 happens...
 767 */
 768 static int32_t AtmoSetLiveSource(filter_t *p_filter, int32_t newSource)
 769 {
 770     filter_sys_t *p_sys = p_filter->p_sys;
 771     if(p_sys->p_atmo_config)
 772     {
 773         /*
 774         buildin driver
 775
 776         doesnt know different sources so this
 777         function call would just do nothing special
 778         in this case
 779         */
 780 #if defined(WIN32)
 781     } else if(p_sys->pf_ctrl_atmo_set_live_source)
 782     {
 783         /* on win32 with active ctrl dll */
 784         return p_sys->pf_ctrl_atmo_set_live_source(newSource);
 785 #endif
 786     }
 787     return lvsGDI;
 788 }
 789
 790 /*
 791 setup the pixel transferbuffers which is used to transfer pixeldata from
 792 the filter to the effect thread, and possible accross the process
 793 boundaries on win32, with the external DLL
 794 */
 795 static void AtmoCreateTransferBuffers(filter_t *p_filter,
 796                                       int32_t FourCC,
 797                                       int32_t bytePerPixel,
 798                                       int32_t width,
 799                                       int32_t height)
 800 {
 801     filter_sys_t *p_sys = p_filter->p_sys;
 802     if(p_sys->p_atmo_config)
 803     {
 804         /*
 805         we need a buffer where the image is stored (only for transfer
 806         to the processing thread)
 807         */
 808         if(p_sys->p_atmo_transfer_buffer)
 809             free(p_sys->p_atmo_transfer_buffer);
 810
 811         p_sys->p_atmo_transfer_buffer = (uint8_t *)malloc(bytePerPixel *
 812                                                           width *  height);
 813
 814         memset(&p_sys->mini_image_format,0,sizeof(BITMAPINFOHEADER));
 815
 816         p_sys->mini_image_format.biSize = sizeof(BITMAPINFOHEADER);
 817         p_sys->mini_image_format.biWidth = width;
 818         p_sys->mini_image_format.biHeight = height;
 819         p_sys->mini_image_format.biBitCount = bytePerPixel*8;
 820         p_sys->mini_image_format.biCompression = FourCC;
 821
 822 #if defined(WIN32)
 823     } else if(p_sys->pf_ctrl_atmo_create_transfer_buffers)
 824     {
 825         /* on win32 with active ctrl dll */
 826         p_sys->pf_ctrl_atmo_create_transfer_buffers(FourCC,
 827             bytePerPixel,
 828             width,
 829             height);
 830 #endif
 831     }
 832 }
 833
 834 /*
 835 acquire the transfer buffer pointer the buildin version only
 836 returns the pointer to the allocated buffer ... the
 837 external version on win32 has to do some COM stuff to lock the
 838 Variant Byte array which is behind the buffer
 839 */
 840 static uint8_t* AtmoLockTransferBuffer(filter_t *p_filter)
 841 {
 842     filter_sys_t *p_sys = p_filter->p_sys;
 843     if(p_sys->p_atmo_config)
 844     {
 845         return p_sys->p_atmo_transfer_buffer;
 846 #if defined(WIN32)
 847     } else if(p_sys->pf_ctrl_atmo_lock_transfer_buffer)
 848     {
 849         /* on win32 with active ctrl dll */
 850         return p_sys->pf_ctrl_atmo_lock_transfer_buffer();
 851 #endif
 852     }
 853     return NULL;
 854 }
 855
 856 /*
 857 send the content of current pixel buffer got with AtmoLockTransferBuffer
 858 to the processing threads
 859 - build in version - will forward the data to AtmoExternalCaptureInput Thread
 860 - win32 external - will do the same, but across the process boundaries via
 861 COM to the AtmoWinA.exe Process
 862 */
 863 static void AtmoSendPixelData(filter_t *p_filter)
 864 {
 865     filter_sys_t *p_sys = p_filter->p_sys;
 866     if(p_sys->p_atmo_config && p_sys->p_atmo_transfer_buffer)
 867     {
 868         CAtmoDynData *p_atmo_dyndata = p_sys->p_atmo_dyndata;
 869         if(p_atmo_dyndata)
 870         {
 871             /*
 872             the cast will go Ok because we are inside videolan there is only
 873             this kind of effect thread implemented!
 874             */
 875
 876             CAtmoLiveView *p_atmo_live_view_thread =
 877                 (CAtmoLiveView *)p_atmo_dyndata->getEffectThread();
 878             if(p_atmo_live_view_thread)
 879             {
 880                 /*
 881                 the same as above inside videolan only this single kind of
 882                 input exists so we can cast without further tests!
 883                 */
 884                 CAtmoExternalCaptureInput *p_atmo_external_capture_input_thread =
 885                     (CAtmoExternalCaptureInput *)p_atmo_live_view_thread->getAtmoInput();
 886                 if(p_atmo_external_capture_input_thread)
 887                 {
 888                     /*
 889                     this call will do a 1:1 copy of this buffer, and wakeup
 890                     the thread from normal sleeping
 891                     */
 892                     p_atmo_external_capture_input_thread->
 893                         DeliverNewSourceDataPaket(&p_sys->mini_image_format,
 894                         p_sys->p_atmo_transfer_buffer);
 895                 }
 896             }
 897         }
 898 #if defined(WIN32)
 899     } else if(p_sys->pf_ctrl_atmo_send_pixel_data)
 900     {
 901         /* on win32 with active ctrl dll */
 902         p_sys->pf_ctrl_atmo_send_pixel_data();
 903 #endif
 904     }
 905 }
 906
 907 /*
 908     Shutdown AtmoLight finally - is call from DestroyFilter
 909     does the cleanup restores the effectmode on the external Software
 910     (only win32) and possible setup the final light ...
 911 */
 912 static void Atmo_Shutdown(filter_t *p_filter)
 913 {
 914     filter_sys_t *p_sys = p_filter->p_sys;
 915
 916     if(p_sys->b_enabled == true)
 917     {
 918         /*
 919         if there is a still running show pause color thread kill him!
 920         */
 921         CheckAndStopFadeThread(p_filter);
 922
 923         if(p_sys->p_atmo_config || (p_sys->i_AtmoOldEffect == emStaticColor))
 924         {
 925             /*
 926             fade to end color (in case of external AtmoWin Software
 927             assume that the static color will equal to this
 928             one to get a soft change and no flash!
 929             */
 930             p_sys->b_pause_live = true;
 931
 932             // perpare spawn fadeing thread
 933             vlc_mutex_lock( &p_sys->filter_lock );
 934
 935             p_sys->p_fadethread = (fadethread_t *)vlc_object_create( p_filter,
 936                                                         sizeof(fadethread_t) );
 937
 938             p_sys->p_fadethread->p_filter = p_filter;
 939             p_sys->p_fadethread->ui_red   = p_sys->ui_endcolor_red;
 940             p_sys->p_fadethread->ui_green = p_sys->ui_endcolor_green;
 941             p_sys->p_fadethread->ui_blue  = p_sys->ui_endcolor_blue;
 942             p_sys->p_fadethread->i_steps  = p_sys->i_endfadesteps;
 943
 944             if( vlc_thread_create( p_sys->p_fadethread,
 945                 "AtmoLight fadeing",
 946                 FadeToColorThread,
 947                 VLC_THREAD_PRIORITY_LOW,
 948                 false ) )
 949             {
 950                 msg_Err( p_filter, "cannot create FadeToColorThread" );
 951                 vlc_object_release( p_sys->p_fadethread );
 952                 p_sys->p_fadethread = NULL;
 953                 vlc_mutex_unlock( &p_sys->filter_lock );
 954
 955             } else {
 956
 957                 vlc_mutex_unlock( &p_sys->filter_lock );
 958
 959                 /* wait for the thread... */
 960                 vlc_thread_join(p_sys->p_fadethread);
 961
 962                 vlc_object_release(p_sys->p_fadethread);
 963
 964                 p_sys->p_fadethread = NULL;
 965             }
 966         }
 967
 968         if(p_sys->i_AtmoOldEffect != emLivePicture)
 969             AtmoSwitchEffect(p_filter, p_sys->i_AtmoOldEffect);
 970         else
 971             AtmoSetLiveSource(p_filter, lvsGDI);
 972
 973         AtmoFinalize(p_filter, 1);
 974
 975         /* disable filter method .. */
 976         p_sys->b_enabled = false;
 977     }
 978 }
 979
 980 /*
 981 initialize the filter_sys_t structure with the data from the settings
 982 variables - if the external filter on win32 is enabled try loading the DLL,
 983 if this fails fallback to the buildin software
 984 */
 985 static void Atmo_SetupParameters(filter_t *p_filter)
 986 {
 987     bool b_use_buildin_driver = true;
 988     char *psz_path;
 989     filter_sys_t *p_sys =  p_filter->p_sys;
 990
 991
 992     /* default filter disabled until DLL loaded and Init Success!*/
 993     p_sys->b_enabled             = false;
 994
 995     /* setup default mini image size (may be later a user option) */
 996     p_sys->i_atmo_width          = 64;
 997     p_sys->i_atmo_height         = 48;
 998
 999
1000     vlc_mutex_init( &p_sys->filter_lock );
1001
1002
1003 #if defined(WIN32)
1004     /*
1005     only on WIN32 the user has the choice between
1006     internal driver and external
1007     */
1008     b_use_buildin_driver = var_CreateGetBoolCommand( p_filter,
1009         CFG_PREFIX "usebuildin" );
1010
1011     if(b_use_buildin_driver == false) {
1012
1013         /* Load the Com Wrapper Library (source available) */
1014         p_sys->h_AtmoCtrl = LoadLibraryA("AtmoCtrlLib.dll");
1015         if(p_sys->h_AtmoCtrl != NULL)
1016         {
1017             msg_Dbg( p_filter, "LoadLibrary('AtmoCtrlLib.dll'); Success");
1018
1019             /* importing all required functions I hope*/
1020             p_sys->pf_ctrl_atmo_initialize =
1021                 (int32_t (*)(void))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoInitialize");
1022             if(!p_sys->pf_ctrl_atmo_initialize)
1023                 msg_Err( p_filter, "export AtmoInitialize missing.");
1024
1025             p_sys->pf_ctrl_atmo_finalize =
1026                 (void (*)(int32_t))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoFinalize");
1027             if(!p_sys->pf_ctrl_atmo_finalize)
1028                 msg_Err( p_filter, "export AtmoFinalize missing.");
1029
1030             p_sys->pf_ctrl_atmo_switch_effect =
1031                 (int32_t(*)(int32_t))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoSwitchEffect");
1032             if(!p_sys->pf_ctrl_atmo_switch_effect)
1033                 msg_Err( p_filter, "export AtmoSwitchEffect missing.");
1034
1035             p_sys->pf_ctrl_atmo_set_live_source =
1036                 (int32_t(*)(int32_t))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoSetLiveSource");
1037             if(!p_sys->pf_ctrl_atmo_set_live_source)
1038                 msg_Err( p_filter, "export AtmoSetLiveSource missing.");
1039
1040             p_sys->pf_ctrl_atmo_create_transfer_buffers =
1041                 (void (*)(int32_t, int32_t, int32_t , int32_t))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoCreateTransferBuffers");
1042             if(!p_sys->pf_ctrl_atmo_create_transfer_buffers)
1043                 msg_Err( p_filter, "export AtmoCreateTransferBuffers missing.");
1044
1045             p_sys->pf_ctrl_atmo_lock_transfer_buffer=
1046                 (uint8_t*(*) (void))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoLockTransferBuffer");
1047             if(!p_sys->pf_ctrl_atmo_lock_transfer_buffer)
1048                 msg_Err( p_filter, "export AtmoLockTransferBuffer missing.");
1049
1050             p_sys->pf_ctrl_atmo_send_pixel_data =
1051                 (void (*)(void))GetProcAddress(p_sys->h_AtmoCtrl,"AtmoSendPixelData");
1052             if(!p_sys->pf_ctrl_atmo_send_pixel_data)
1053                 msg_Err( p_filter, "export AtmoSendPixelData missing.");
1054         } else {
1055             /* the DLL is missing try internal filter ...*/
1056             msg_Warn( p_filter, "AtmoCtrlLib.dll missing fallback to internal driver");
1057             b_use_buildin_driver = true;
1058         }
1059     }
1060 #endif
1061
1062
1063     if(b_use_buildin_driver == true) {
1064         msg_Dbg( p_filter, "use buildin driver");
1065         /*
1066         now we have to read a lof of options from the config dialog
1067         most important the serial device if not set ... we can skip
1068         the rest and disable the filter...
1069         */
1070         char *psz_serialdev = var_CreateGetStringCommand( p_filter,
1071                                                       CFG_PREFIX "serialdev" );
1072         if(psz_serialdev && (strlen(psz_serialdev)>0)) {
1073             msg_Dbg( p_filter, "use buildin driver on port %s",psz_serialdev);
1074
1075             p_sys->p_atmo_config = new CAtmoConfig();
1076
1077             p_sys->p_atmo_config->setSerialDevice(psz_serialdev);
1078
1079             p_sys->p_atmo_config->setLiveViewFilterMode(
1080                 (AtmoFilterMode)var_CreateGetIntegerCommand( p_filter,
1081                                                        CFG_PREFIX "filtermode")
1082                 );
1083
1084             p_sys->p_atmo_config->setLiveViewFilter_PercentNew(
1085                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "PercentNew")
1086                 );
1087             p_sys->p_atmo_config->setLiveViewFilter_MeanLength(
1088                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "MeanLength")
1089                 );
1090             p_sys->p_atmo_config->setLiveViewFilter_MeanThreshold(
1091                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "MeanThreshold")
1092                 );
1093
1094             p_sys->p_atmo_config->setLiveView_EdgeWeighting(
1095                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "EdgeWeightning")
1096                 );
1097             p_sys->p_atmo_config->setLiveView_BrightCorrect(
1098                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "Brightness")
1099                 );
1100             p_sys->p_atmo_config->setLiveView_DarknessLimit(
1101                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "DarknessLimit")
1102                 );
1103             p_sys->p_atmo_config->setLiveView_HueWinSize(
1104                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "HueWinSize")
1105                 );
1106             p_sys->p_atmo_config->setLiveView_SatWinSize(
1107                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "SatWinSize")
1108                 );
1109
1110             /* currently not required inside vlc */
1111             p_sys->p_atmo_config->setLiveView_WidescreenMode( 0 );
1112
1113             p_sys->p_atmo_config->setLiveView_FrameDelay(
1114                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "FrameDelay")
1115                 );
1116
1117
1118             p_sys->p_atmo_config->setUseSoftwareWhiteAdj(
1119                 var_CreateGetBoolCommand( p_filter, CFG_PREFIX "whiteadj")
1120                 );
1121             p_sys->p_atmo_config->setWhiteAdjustment_Red(
1122                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "white-red")
1123                 );
1124             p_sys->p_atmo_config->setWhiteAdjustment_Green(
1125                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "white-green")
1126                 );
1127             p_sys->p_atmo_config->setWhiteAdjustment_Blue(
1128                 var_CreateGetIntegerCommand( p_filter, CFG_PREFIX "white-blue")
1129                 );
1130
1131             tChannelAssignment *p_channel_assignment =
1132                                  p_sys->p_atmo_config->getChannelAssignment(0);
1133
1134             p_channel_assignment->mappings[0] = var_CreateGetIntegerCommand(
1135                                              p_filter, CFG_PREFIX "channel_0");
1136
1137             p_channel_assignment->mappings[1] = var_CreateGetIntegerCommand(
1138                                              p_filter, CFG_PREFIX "channel_1");
1139
1140             p_channel_assignment->mappings[2] = var_CreateGetIntegerCommand(
1141                                              p_filter, CFG_PREFIX "channel_2");
1142
1143             p_channel_assignment->mappings[3] = var_CreateGetIntegerCommand(
1144                                              p_filter, CFG_PREFIX "channel_3");
1145
1146             p_channel_assignment->mappings[4] = var_CreateGetIntegerCommand(
1147                                              p_filter, CFG_PREFIX "channel_4");
1148
1149             for(int i=0;i<ATMO_NUM_CHANNELS;i++)
1150                 msg_Dbg( p_filter, "map software channel %d to hardware channel %d",
1151                 p_channel_assignment->mappings[i],
1152                 i
1153                 );
1154
1155             // gradient_zone_0
1156             char psz_gradient_var_name[30];
1157             char *psz_gradient_file;
1158             for(int i=0;i<ATMO_NUM_CHANNELS;i++)
1159             {
1160                 sprintf(psz_gradient_var_name, CFG_PREFIX "gradient_zone_%d", i);
1161                 psz_gradient_file = var_CreateGetStringCommand(
1162                     p_filter,
1163                     psz_gradient_var_name
1164                     );
1165                 if(psz_gradient_file && strlen(psz_gradient_file)>0)
1166                 {
1167                     msg_Dbg( p_filter, "loading gradientfile %s for "\
1168                                        "zone %d", psz_gradient_file, i);
1169
1170                     int i_res = p_sys->p_atmo_config->getZoneDefinition(i)->
1171                                 LoadGradientFromBitmap(psz_gradient_file);
1172
1173                     if(i_res != ATMO_LOAD_GRADIENT_OK)
1174                     {
1175                         msg_Err( p_filter,"failed to load gradient '%s' with "\
1176                                           "error %d",psz_gradient_file,i_res);
1177                     }
1178                 }
1179                 delete psz_gradient_file;
1180             }
1181
1182             p_sys->p_atmo_dyndata = new CAtmoDynData((vlc_object_t *)p_filter,
1183                 p_sys->p_atmo_config
1184                 );
1185
1186             msg_Dbg( p_filter, "buildin driver initialized");
1187
1188             free(psz_serialdev);
1189         } else {
1190             msg_Err(p_filter,"no serial devicename set");
1191         }
1192     }
1193
1194     switch( p_filter->fmt_in.video.i_chroma )
1195     {
1196     case VLC_FOURCC('I','4','2','0'):
1197     case VLC_FOURCC('I','Y','U','V'):
1198     case VLC_FOURCC('Y','V','1','2'):
1199     case VLC_FOURCC('Y','V','1','6'):
1200     case VLC_FOURCC('Y','V','U','9'):
1201         // simple enough? Dionoea?
1202         p_sys->pf_extract_mini_image = ExtractMiniImage_YUV;
1203         break;
1204     default:
1205         msg_Dbg( p_filter, "InitFilter-unsupported chroma: %4.4s",
1206                             (char *)&p_filter->fmt_in.video.i_chroma);
1207         p_sys->pf_extract_mini_image = NULL;
1208     }
1209
1210     p_sys->i_crop_x_offset  = 0;
1211     p_sys->i_crop_y_offset  = 0;
1212     p_sys->i_crop_width     = p_filter->fmt_in.video.i_visible_width;
1213     p_sys->i_crop_height    = p_filter->fmt_in.video.i_visible_height;
1214
1215     msg_Dbg( p_filter, "set default crop %d,%d %dx%d",p_sys->i_crop_x_offset,
1216         p_sys->i_crop_y_offset,
1217         p_sys->i_crop_width,
1218         p_sys->i_crop_height );
1219
1220
1221 #if defined(__ATMO_DEBUG__)
1222     /* save debug images to a folder as Bitmap files ? */
1223     p_sys->b_saveframes  = var_CreateGetBoolCommand( p_filter,
1224         CFG_PREFIX "saveframes"
1225         );
1226     msg_Dbg(p_filter,"saveframes = %d", (int)p_sys->b_saveframes);
1227
1228     /*
1229     read debug image folder from config
1230     */
1231     psz_path = var_CreateGetStringCommand( p_filter, CFG_PREFIX "framepath" );
1232     if(psz_path != NULL)
1233     {
1234         strcpy(p_sys->sz_framepath, psz_path);
1235 #if defined( WIN32 )
1236         size_t i_strlen = strlen(p_sys->sz_framepath);
1237         if((i_strlen>0) && (p_sys->sz_framepath[i_strlen-1] != '\\'))
1238         {
1239             p_sys->sz_framepath[i_strlen] = '\\';
1240             p_sys->sz_framepath[i_strlen+1] = 0;
1241         }
1242 #endif
1243         free(psz_path);
1244     }
1245     msg_Dbg(p_filter,"saveframesfolder %s",p_sys->sz_framepath);
1246 #endif
1247
1248     /*
1249        size of extracted image by default 64x48 (other imagesizes are
1250        currently ignored by AtmoWin)
1251     */
1252     p_sys->i_atmo_width  = var_CreateGetIntegerCommand( p_filter,
1253         CFG_PREFIX "width");
1254     p_sys->i_atmo_height = var_CreateGetIntegerCommand( p_filter,
1255         CFG_PREFIX "height");
1256     msg_Dbg(p_filter,"mini image size %d * %d pixels", p_sys->i_atmo_width,
1257         p_sys->i_atmo_height);
1258
1259     /*
1260     because atmowin could also be used for lighten up the room - I think if you
1261     pause the video it would be useful to get a little bit more light into to
1262     your living room? - instead switching on a lamp?
1263     */
1264     p_sys->b_usepausecolor = var_CreateGetBoolCommand( p_filter,
1265         CFG_PREFIX "usepausecolor" );
1266     p_sys->ui_pausecolor_red = (uint8_t)var_CreateGetIntegerCommand( p_filter,
1267         CFG_PREFIX "pcolor-red");
1268     p_sys->ui_pausecolor_green = (uint8_t)var_CreateGetIntegerCommand( p_filter,
1269         CFG_PREFIX "pcolor-green");
1270     p_sys->ui_pausecolor_blue = (uint8_t)var_CreateGetIntegerCommand( p_filter,
1271         CFG_PREFIX "pcolor-blue");
1272     p_sys->i_fadesteps = var_CreateGetIntegerCommand( p_filter,
1273         CFG_PREFIX "fadesteps");
1274     if(p_sys->i_fadesteps < 1)
1275         p_sys->i_fadesteps = 1;
1276     msg_Dbg(p_filter,"use pause color %d, RGB: %d, %d, %d, Fadesteps: %d",
1277         (int)p_sys->b_usepausecolor,
1278         p_sys->ui_pausecolor_red,
1279         p_sys->ui_pausecolor_green,
1280         p_sys->ui_pausecolor_blue,
1281         p_sys->i_fadesteps);
1282
1283     /*
1284     this color is use on shutdown of the filter - the define the
1285     final light after playback... may be used to dim up the light -
1286     how it happens in the cinema...
1287     */
1288     p_sys->ui_endcolor_red = (uint8_t)var_CreateGetIntegerCommand( p_filter,
1289         CFG_PREFIX "ecolor-red");
1290     p_sys->ui_endcolor_green = (uint8_t)var_CreateGetIntegerCommand( p_filter,
1291         CFG_PREFIX "ecolor-green");
1292     p_sys->ui_endcolor_blue = (uint8_t)var_CreateGetIntegerCommand( p_filter,
1293         CFG_PREFIX "ecolor-blue");
1294     p_sys->i_endfadesteps = var_CreateGetIntegerCommand( p_filter,
1295         CFG_PREFIX "efadesteps");
1296     if(p_sys->i_endfadesteps < 1)
1297         p_sys->i_endfadesteps = 1;
1298     msg_Dbg(p_filter,"use ende color RGB: %d, %d, %d, Fadesteps: %d",
1299         p_sys->ui_endcolor_red,
1300         p_sys->ui_endcolor_green,
1301         p_sys->ui_endcolor_blue,
1302         p_sys->i_endfadesteps);
1303
1304     /* if the external DLL was loaded successfully call AtmoInitialize -
1305     (must be done for each thread where you wan't to use AtmoLight!
1306     */
1307     int i = AtmoInitialize(p_filter, false);
1308 #if defined( WIN32 )
1309     if((i != 1) && !b_use_buildin_driver)
1310     {
1311         /* COM Server for AtmoLight not running ?
1312         if the exe path is configured try to start the "userspace" driver
1313         */
1314         psz_path = var_CreateGetStringCommand( p_filter,
1315                                                CFG_PREFIX "atmowinexe" );
1316         if(psz_path != NULL)
1317         {
1318             STARTUPINFO startupinfo;
1319             PROCESS_INFORMATION pinfo;
1320             memset(&startupinfo, 0, sizeof(STARTUPINFO));
1321             startupinfo.cb = sizeof(STARTUPINFO);
1322             if(CreateProcess(psz_path, NULL, NULL, NULL,
1323                 FALSE, 0, NULL, NULL, &startupinfo, &pinfo) == TRUE)
1324             {
1325                 msg_Dbg(p_filter,"launched AtmoWin from %s",psz_path);
1326                 WaitForInputIdle(pinfo.hProcess, 5000);
1327                 /*
1328                 retry to initialize the library COM ... functionality
1329                 after the server was launched
1330                 */
1331                 i = AtmoInitialize(p_filter, false);
1332             } else {
1333                 msg_Err(p_filter,"failed to launch AtmoWin from %s", psz_path);
1334             }
1335             free(psz_path);
1336         }
1337     }
1338 #endif
1339
1340     if(i == 1) /* Init Atmolight success... */
1341     {
1342         msg_Dbg( p_filter, "AtmoInitialize Ok!");
1343
1344         /* Setup Transferbuffers for 64 x 48 , RGB with 32bit Per Pixel */
1345         AtmoCreateTransferBuffers(p_filter, BI_RGB, 4,
1346             p_sys->i_atmo_width,
1347             p_sys->i_atmo_height
1348             );
1349
1350         /* say the userspace driver that a live mode should be activated
1351         the functions returns the old mode for later restore!
1352         */
1353         p_sys->i_AtmoOldEffect = AtmoSwitchEffect(p_filter, emLivePicture);
1354
1355         /*
1356         live view can have two differnt source the AtmoWinA
1357         internal GDI Screencapture and the external one - which we
1358         need here...
1359         */
1360         AtmoSetLiveSource(p_filter, lvsExternal);
1361
1362         /* enable other parts only if everything is fine */
1363         p_sys->b_enabled = true;
1364     }
1365
1366 }
1367
1368
1369 /*****************************************************************************
1370 * CreateFilter: allocates AtmoLight video thread output method
1371 *****************************************************************************
1372 * This function allocates and initializes a AtmoLight vout method.
1373 *****************************************************************************/
1374 static int CreateFilter( vlc_object_t *p_this )
1375 {
1376     filter_t *p_filter = (filter_t *)p_this;
1377     filter_sys_t *p_sys;
1378
1379     /* Allocate structure */
1380     p_sys = (filter_sys_t *)malloc( sizeof( filter_sys_t ) );
1381     p_filter->p_sys = p_sys;
1382     if( p_filter->p_sys == NULL )
1383         return VLC_ENOMEM;
1384     /* set all entries to zero */
1385     memset(p_sys, 0, sizeof( filter_sys_t ));
1386
1387     /* further Setup Function pointers for videolan for calling my filter */
1388     p_filter->pf_video_filter = Filter;
1389
1390     config_ChainParse( p_filter, CFG_PREFIX, ppsz_filter_options,
1391                        p_filter->p_cfg );
1392
1393     AddStateVariableCallback(p_filter);
1394
1395     AddCropVariableCallback(p_filter);
1396
1397     AddAtmoSettingsVariablesCallbacks(p_filter);
1398
1399     Atmo_SetupParameters(p_filter);
1400
1401
1402     return VLC_SUCCESS;
1403 }
1404
1405
1406
1407 /*****************************************************************************
1408 * DestroyFilter: destroy AtmoLight video thread output method
1409 *****************************************************************************
1410 * Terminate an output method created by CreateFilter
1411 *****************************************************************************/
1412
1413 static void DestroyFilter( vlc_object_t *p_this )
1414 {
1415     filter_t *p_filter = (filter_t *)p_this;
1416     filter_sys_t *p_sys =  p_filter->p_sys;
1417
1418     DelStateVariableCallback(p_filter);
1419     DelCropVariableCallback(p_filter);
1420     DelAtmoSettingsVariablesCallbacks(p_filter);
1421
1422     Atmo_Shutdown(p_filter);
1423
1424 #if defined( WIN32 )
1425     if(p_sys->h_AtmoCtrl != NULL)
1426     {
1427         FreeLibrary(p_sys->h_AtmoCtrl);
1428     }
1429 #endif
1430
1431     delete p_sys->p_atmo_dyndata;
1432     delete p_sys->p_atmo_config;
1433
1434     vlc_mutex_destroy( &p_sys->filter_lock );
1435
1436     free( p_sys );
1437 }
1438
1439
1440 /*
1441 function stolen from some other videolan source filter ;-)
1442 for the moment RGB is OK... but better would be a direct transformation
1443 from YUV --> HSV
1444 */
1445 static inline void yuv_to_rgb( uint8_t *r, uint8_t *g, uint8_t *b,
1446                               uint8_t y1, uint8_t u1, uint8_t v1 )
1447 {
1448     /* macros used for YUV pixel conversions */
1449 #   define SCALEBITS 10
1450 #   define ONE_HALF  (1 << (SCALEBITS - 1))
1451 #   define FIX(x)    ((int) ((x) * (1<<SCALEBITS) + 0.5))
1452 #   define CLAMP( x ) (((x) > 255) ? 255 : ((x) < 0) ? 0 : (x));
1453
1454     int y, cb, cr, r_add, g_add, b_add;
1455
1456     cb = u1 - 128;
1457     cr = v1 - 128;
1458     r_add = FIX(1.40200*255.0/224.0) * cr + ONE_HALF;
1459     g_add = - FIX(0.34414*255.0/224.0) * cb
1460         - FIX(0.71414*255.0/224.0) * cr + ONE_HALF;
1461     b_add = FIX(1.77200*255.0/224.0) * cb + ONE_HALF;
1462     y = (y1 - 16) * FIX(255.0/219.0);
1463     *r = CLAMP((y + r_add) >> SCALEBITS);
1464     *g = CLAMP((y + g_add) >> SCALEBITS);
1465     *b = CLAMP((y + b_add) >> SCALEBITS);
1466 }
1467 /******************************************************************************
1468 * ExtractMiniImage_YUV: extract a small image from the picture as 24-bit RGB
1469 *******************************************************************************
1470 * p_sys is a pointer to
1471 * p_inpic is the source frame
1472 * p_transfer_dest is the target buffer for the picture must be big enough!
1473 * (in win32 enviroment this buffer comes from the external DLL where it is
1474 * create as "variant array" and returned through the AtmoLockTransferbuffer
1475 */
1476 static void ExtractMiniImage_YUV(filter_sys_t *p_sys,
1477                                  picture_t *p_inpic,
1478                                  uint8_t *p_transfer_dest)
1479 {
1480     int i_col;
1481     int i_row;
1482     uint8_t *p_src_y;
1483     uint8_t *p_src_u;
1484     uint8_t *p_src_v;
1485     uint8_t *p_rgb_dst_line_red;
1486     uint8_t *p_rgb_dst_line_green;
1487     uint8_t *p_rgb_dst_line_blue;
1488     int i_xpos_y;
1489     int i_xpos_u;
1490     int i_xpos_v;
1491
1492     /* calcute Pointers for Storage of B G R (A) */
1493     p_rgb_dst_line_blue      = p_transfer_dest;
1494     p_rgb_dst_line_green     = p_transfer_dest + 1;
1495     p_rgb_dst_line_red       = p_transfer_dest + 2 ;
1496
1497     int i_row_count = p_sys->i_atmo_height + 1;
1498     int i_col_count = p_sys->i_atmo_width + 1;
1499     int i_y_row,i_u_row,i_v_row,i_pixel_row;
1500     int i_pixel_col;
1501
1502
1503     /*  these two ugly loops extract the small image - goes it faster? how?
1504     the loops are so designed that there is a small border around the extracted
1505     image so we wont get column and row - zero from the frame, and not the most
1506     right and bottom pixels --- which may be clipped on computers useing TV out
1507     - through overscan!
1508
1509     TODO: try to find out if the output is clipped through VLC - and try here
1510     to ingore the clipped away area for a better result!
1511
1512     TODO: performance improvement in InitFilter percalculated the offsets of
1513     the lines inside the planes so I can save (i_row_count * 3) 2xMUL and
1514     one time DIV the same could be done for the inner loop I think...
1515     */
1516     for(i_row = 1; i_row < i_row_count; i_row++)
1517     {
1518         // calcute the current Lines in the source planes for this outputrow
1519         /*  Adresscalcuation  pointer to plane  Length of one pixelrow in bytes
1520         calculate row now number
1521         */
1522         /*
1523            p_inpic->format? transform Pixel row into row of plane...
1524            how? simple? fast? good?
1525         */
1526
1527         /* compute the source pixel row and respect the active cropping */
1528         i_pixel_row = (i_row * p_sys->i_crop_height) / i_row_count
1529             + p_sys->i_crop_y_offset;
1530
1531         /*
1532         trans for these Pixel row into the row of each plane ..
1533         because planesize can differ from image size
1534         */
1535         i_y_row = (i_pixel_row * p_inpic->p[Y_PLANE].i_visible_lines) /
1536             p_inpic->format.i_visible_height;
1537
1538         i_u_row = (i_pixel_row * p_inpic->p[U_PLANE].i_visible_lines) /
1539             p_inpic->format.i_visible_height;
1540
1541         i_v_row = (i_pixel_row * p_inpic->p[V_PLANE].i_visible_lines) /
1542             p_inpic->format.i_visible_height;
1543
1544         /* calculate  the pointers to the pixeldata for this row
1545            in each plane
1546         */
1547         p_src_y = p_inpic->p[Y_PLANE].p_pixels +
1548             p_inpic->p[Y_PLANE].i_pitch * i_y_row;
1549         p_src_u = p_inpic->p[U_PLANE].p_pixels +
1550             p_inpic->p[U_PLANE].i_pitch * i_u_row;
1551         p_src_v = p_inpic->p[V_PLANE].p_pixels +
1552             p_inpic->p[V_PLANE].i_pitch * i_v_row;
1553
1554         for(i_col = 1; i_col < i_col_count; i_col++)
1555         {
1556             i_pixel_col = (i_col * p_sys->i_crop_width) / i_col_count +
1557                 p_sys->i_crop_x_offset;
1558             /*
1559             trans for these Pixel row into the row of each plane ..
1560             because planesize can differ from image size
1561             */
1562             i_xpos_y = (i_pixel_col * p_inpic->p[Y_PLANE].i_visible_pitch) /
1563                 p_inpic->format.i_visible_width;
1564             i_xpos_u = (i_pixel_col * p_inpic->p[U_PLANE].i_visible_pitch) /
1565                 p_inpic->format.i_visible_width;
1566             i_xpos_v = (i_pixel_col * p_inpic->p[V_PLANE].i_visible_pitch) /
1567                 p_inpic->format.i_visible_width;
1568
1569             yuv_to_rgb(p_rgb_dst_line_red,
1570                 p_rgb_dst_line_green,
1571                 p_rgb_dst_line_blue,
1572
1573                 p_src_y[i_xpos_y],
1574                 p_src_u[i_xpos_u],
1575                 p_src_v[i_xpos_v]);
1576
1577             /* +4 because output image should be RGB32 with dword alignment! */
1578             p_rgb_dst_line_red   += 4;
1579             p_rgb_dst_line_green += 4;
1580             p_rgb_dst_line_blue  += 4;
1581         }
1582     }
1583 }
1584
1585
1586 /******************************************************************************
1587 * SaveBitmap: Saves the content of a transferbuffer as Bitmap to disk
1588 *******************************************************************************
1589 * just for debugging
1590 * p_sys -> configuration if Atmo from there the function will get height and
1591 *          width
1592 * p_pixels -> should be the dword aligned BGR(A) image data
1593 * psz_filename -> filename where to store
1594 */
1595 #if defined(__ATMO_DEBUG__)
1596 void SaveBitmap(filter_sys_t *p_sys, uint8_t *p_pixels, char *psz_filename)
1597 {
1598     /* for debug out only used*/
1599     BITMAPINFO bmp_info;
1600     BITMAPFILEHEADER  bmp_fileheader;
1601     FILE *fp_bitmap;
1602
1603     memset(&bmp_info, 0, sizeof(BITMAPINFO));
1604     bmp_info.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1605     bmp_info.bmiHeader.biSizeImage   = p_sys->i_atmo_height *
1606                                        p_sys->i_atmo_width * 4;
1607     bmp_info.bmiHeader.biCompression = BI_RGB;
1608     bmp_info.bmiHeader.biWidth        = p_sys->i_atmo_width;
1609     bmp_info.bmiHeader.biHeight       = -p_sys->i_atmo_height;
1610     bmp_info.bmiHeader.biBitCount     = 32;
1611     bmp_info.bmiHeader.biPlanes       = 1;
1612
1613     bmp_fileheader.bfReserved1 = 0;
1614     bmp_fileheader.bfReserved2 = 0;
1615     bmp_fileheader.bfSize = sizeof(BITMAPFILEHEADER) +
1616                             sizeof(BITMAPINFOHEADER) +
1617                             bmp_info.bmiHeader.biSizeImage;
1618     bmp_fileheader.bfType = VLC_TWOCC('M','B');
1619     bmp_fileheader.bfOffBits = sizeof(BITMAPFILEHEADER) +
1620                                sizeof(BITMAPINFOHEADER);
1621
1622     fp_bitmap = fopen(psz_filename,"wb");
1623     if( fp_bitmap != NULL)
1624     {
1625         fwrite(&bmp_fileheader, sizeof(BITMAPFILEHEADER), 1, fp_bitmap);
1626         fwrite(&bmp_info.bmiHeader, sizeof(BITMAPINFOHEADER), 1, fp_bitmap);
1627         fwrite(p_pixels, bmp_info.bmiHeader.biSizeImage, 1, fp_bitmap);
1628         fclose(fp_bitmap);
1629     }
1630 }
1631 #endif
1632
1633
1634 /****************************************************************************
1635 * CreateMiniImage: extracts a 64x48 pixel image from the frame
1636 * (there is a small border arround thats why the loops starts with one
1637 * instead zero) without any interpolation
1638 *****************************************************************************/
1639 static void CreateMiniImage( filter_t *p_filter, picture_t *p_inpic)
1640 {
1641     filter_sys_t *p_sys = p_filter->p_sys;
1642     /*
1643     pointer to RGB Buffer created in external libary as safe array which
1644     is locked inside AtmoLockTransferBuffer
1645     */
1646     uint8_t *p_transfer = NULL;
1647 #if defined( __ATMO_DEBUG__ )
1648     /* for debug out only used*/
1649     char sz_filename[MAX_PATH];
1650 #endif
1651
1652     /*
1653     Lock the before created VarArray (AtmoCreateTransferBuffers)
1654     inside my wrapper library and give me a pointer to the buffer!
1655     below linux a global buffer may be used and protected with a mutex?
1656     */
1657     p_transfer = AtmoLockTransferBuffer(p_filter);
1658     if(p_transfer == NULL)
1659     {
1660         msg_Err( p_filter, "AtmoLight no transferbuffer available. "\
1661                            "AtmoLight will be disabled!");
1662         p_sys->b_enabled = false;
1663         return;
1664     }
1665
1666     /*
1667     do the call via pointer to function instead of having a
1668     case structure here
1669     */
1670     p_sys->pf_extract_mini_image(p_sys, p_inpic, p_transfer);
1671
1672
1673 #if defined( __ATMO_DEBUG__ )
1674     /*
1675     if debugging enabled save every 128th image to disk
1676     */
1677     if((p_sys->b_saveframes == true) && (p_sys->sz_framepath[0] != 0 ))
1678     {
1679
1680         if((p_sys->i_framecounter & 127) == 0)
1681         {
1682             sprintf(sz_filename,"%satmo_dbg_%06d.bmp",p_sys->sz_framepath,
1683                 p_sys->i_framecounter);
1684             msg_Dbg(p_filter, "SaveFrame %s",sz_filename);
1685
1686             SaveBitmap(p_sys, p_transfer, sz_filename);
1687         }
1688         p_sys->i_framecounter++;
1689     }
1690 #endif
1691
1692     /* show the colors on the wall */
1693     AtmoSendPixelData(p_filter);
1694 }
1695
1696
1697
1698
1699 /*****************************************************************************
1700 * Filter: calls the extract method and forwards the incomming picture 1:1
1701 *****************************************************************************
1702 *
1703 *****************************************************************************/
1704
1705 static picture_t * Filter( filter_t *p_filter, picture_t *p_pic )
1706 {
1707     filter_sys_t *p_sys = p_filter->p_sys;
1708     if( !p_pic ) return NULL;
1709
1710     if((p_sys->b_enabled == true) &&
1711         (p_sys->pf_extract_mini_image != NULL) &&
1712         (p_sys->b_pause_live == false))
1713     {
1714         CreateMiniImage(p_filter, p_pic);
1715     }
1716
1717     return p_pic;
1718 }
1719
1720
1721 /*****************************************************************************
1722 * FadeToColorThread: Threadmethod which changes slowly the color
1723 * to a target color defined in p_fadethread struct
1724 * use for: Fade to Pause Color,  and Fade to End Color
1725 *****************************************************************************/
1726 static void FadeToColorThread(fadethread_t *p_fadethread)
1727 {
1728     filter_sys_t *p_sys = (filter_sys_t *)p_fadethread->p_filter->p_sys;
1729     int i_steps_done = 0;
1730     int i_index;
1731     int i_pause_red;
1732     int i_pause_green;
1733     int i_pause_blue;
1734
1735     int i_src_red;
1736     int i_src_green;
1737     int i_src_blue;
1738
1739     vlc_thread_ready( p_fadethread );
1740
1741     uint8_t *p_source = NULL;
1742
1743     /* initialize AtmoWin for this thread! */
1744     AtmoInitialize(p_fadethread->p_filter , true);
1745
1746     uint8_t *p_transfer = AtmoLockTransferBuffer( p_fadethread->p_filter );
1747     if(p_transfer != NULL) {
1748         /* safe colors as "32bit" Integers to avoid overflows*/
1749         i_pause_red   = p_fadethread->ui_red;
1750         i_pause_blue  = p_fadethread->ui_blue;
1751         i_pause_green = p_fadethread->ui_green;
1752
1753         /*
1754         allocate a temporary buffer for the last send
1755         image size less then 15kb
1756         */
1757         int i_size = 4 * p_sys->i_atmo_width * p_sys->i_atmo_height;
1758         p_source = (uint8_t *)malloc( i_size );
1759         if(p_source != NULL)
1760         {
1761             /*
1762             get a copy of the last transfered image as orign for the
1763             fading steps...
1764             */
1765             memcpy(p_source, p_transfer, i_size);
1766             /* send the same pixel data again... to unlock the buffer! */
1767             AtmoSendPixelData( p_fadethread->p_filter );
1768
1769             while( (vlc_object_alive (p_fadethread)) &&
1770                 (i_steps_done < p_fadethread->i_steps))
1771             {
1772                 p_transfer = AtmoLockTransferBuffer( p_fadethread->p_filter );
1773                 if(!p_transfer) break; /* should not happen if it worked
1774                                        one time in the code above! */
1775                 i_steps_done++;
1776                 /*
1777                 move all pixels in the mini image (64x48) one step closer to
1778                 the desired color these loop takes the most time of this
1779                 thread improvements wellcome!
1780                 */
1781                 for(i_index = 0;
1782                     (i_index < i_size) && (vlc_object_alive (p_fadethread));
1783                     i_index+=4)
1784                 {
1785                     i_src_blue  = p_source[i_index+0];
1786                     i_src_green = p_source[i_index+1];
1787                     i_src_red   = p_source[i_index+2];
1788                     p_transfer[i_index+0] = (uint8_t) (((
1789                         (i_pause_blue  - i_src_blue)
1790                         * i_steps_done)/p_fadethread->i_steps)
1791                         + i_src_blue);
1792
1793                     p_transfer[i_index+1] = (uint8_t) (((
1794                         (i_pause_green - i_src_green)
1795                         * i_steps_done)/p_fadethread->i_steps)
1796                         + i_src_green);
1797
1798                     p_transfer[i_index+2] = (uint8_t) (((
1799                         (i_pause_red   - i_src_red)
1800                         * i_steps_done)/p_fadethread->i_steps)
1801                         + i_src_red);
1802                 }
1803
1804                 /* send image to lightcontroller */
1805                 AtmoSendPixelData( p_fadethread->p_filter );
1806                 /* is there something like and interruptable sleep inside
1807                 the VLC libaries? inside native win32 I would use an Event
1808                 (CreateEvent) and here an WaitForSingleObject?
1809                 */
1810                 if(!vlc_object_alive (p_fadethread)) break;
1811                 msleep(10000);
1812                 if(!vlc_object_alive (p_fadethread)) break;
1813                 msleep(10000);
1814                 if(!vlc_object_alive (p_fadethread)) break;
1815                 msleep(10000);
1816                 if(!vlc_object_alive (p_fadethread)) break;
1817                 msleep(10000);
1818             }
1819             free(p_source);
1820         } else {
1821             /* in failure of malloc also unlock buffer  */
1822             AtmoSendPixelData(p_fadethread->p_filter);
1823         }
1824     }
1825     /* call indirect to OleUnitialize() for this thread */
1826     AtmoFinalize(p_fadethread->p_filter, 0);
1827 }
1828
1829 /*****************************************************************************
1830 * CheckAndStopFadeThread: if there is a fadethread structure left, or running.
1831 ******************************************************************************
1832 * this function will stop the thread ... and waits for its termination
1833 * before removeing the objects from vout_sys_t ...
1834 ******************************************************************************/
1835 static void CheckAndStopFadeThread(filter_t *p_filter)
1836 {
1837     filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys;
1838     vlc_mutex_lock( &p_sys->filter_lock );
1839     if(p_sys->p_fadethread != NULL)
1840     {
1841         msg_Dbg(p_filter, "kill still running fadeing thread...");
1842
1843         p_sys->p_fadethread->b_die = true;
1844
1845         vlc_thread_join(p_sys->p_fadethread);
1846
1847         vlc_object_release(p_sys->p_fadethread);
1848         p_sys->p_fadethread = NULL;
1849     }
1850     vlc_mutex_unlock( &p_sys->filter_lock );
1851 }
1852
1853 /*****************************************************************************
1854 * StateCallback: Callback for the inputs variable "State" to get notified
1855 * about Pause and Continue Playback events.
1856 *****************************************************************************/
1857 static int StateCallback( vlc_object_t *p_this, char const *psz_cmd,
1858                          vlc_value_t oldval, vlc_value_t newval,
1859                          void *p_data )
1860 {
1861     filter_t *p_filter = (filter_t *)p_data;
1862     filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys;
1863
1864     if((p_sys->b_usepausecolor == true) && (p_sys->b_enabled == true))
1865     {
1866         msg_Dbg(p_filter, "state change from: %d to %d", oldval.i_int,
1867             newval.i_int);
1868
1869         if((newval.i_int == PAUSE_S) && (oldval.i_int == PLAYING_S))
1870         {
1871             /* tell the other thread to stop sending images to light
1872                controller */
1873             p_sys->b_pause_live = true;
1874
1875             // ggf. alten Thread abräumen should not happen....
1876             CheckAndStopFadeThread(p_filter);
1877
1878             // perpare spawn fadeing thread
1879             vlc_mutex_lock( &p_sys->filter_lock );
1880             /*
1881             launch only a new thread if there is none active!
1882             or waiting for cleanup
1883             */
1884             if(p_sys->p_fadethread == NULL)
1885             {
1886                 p_sys->p_fadethread = (fadethread_t *)vlc_object_create(
1887                      p_filter,
1888                      sizeof(fadethread_t) );
1889
1890                 p_sys->p_fadethread->p_filter = p_filter;
1891                 p_sys->p_fadethread->ui_red   = p_sys->ui_pausecolor_red;
1892                 p_sys->p_fadethread->ui_green = p_sys->ui_pausecolor_green;
1893                 p_sys->p_fadethread->ui_blue  = p_sys->ui_pausecolor_blue;
1894                 p_sys->p_fadethread->i_steps  = p_sys->i_fadesteps;
1895
1896                 if( vlc_thread_create( p_sys->p_fadethread,
1897                     "AtmoLight fadeing",
1898                     FadeToColorThread,
1899                     VLC_THREAD_PRIORITY_LOW,
1900                     false) )
1901                 {
1902                     msg_Err( p_filter, "cannot create FadeToColorThread" );
1903                     vlc_object_release( p_sys->p_fadethread );
1904                     p_sys->p_fadethread = NULL;
1905                 }
1906             }
1907             vlc_mutex_unlock( &p_sys->filter_lock );
1908         }
1909
1910         if((newval.i_int == PLAYING_S) && (oldval.i_int == PAUSE_S))
1911         {
1912             /* playback continues check thread state */
1913             CheckAndStopFadeThread(p_filter);
1914             /* reactivate the Render function... to do its normal work */
1915             p_sys->b_pause_live = false;
1916         }
1917     }
1918
1919     return VLC_SUCCESS;
1920 }
1921
1922 /*****************************************************************************
1923 * AddPlaylistInputThreadStateCallback: Setup call back on "State" Variable
1924 *****************************************************************************
1925 * Add Callback function to the "state" variable of the input thread..
1926 * first find the PlayList and get the input thread from there to attach
1927 * my callback? is vlc_object_find the right way for this??
1928 *****************************************************************************/
1929 static void AddStateVariableCallback(filter_t *p_filter)
1930 {
1931     playlist_t *p_playlist = pl_Yield( p_filter );
1932     input_thread_t *p_input = p_playlist->p_input;
1933     if(p_input)
1934     {
1935         var_AddCallback( p_input, "state", StateCallback, p_filter );
1936     }
1937     vlc_object_release( p_playlist );
1938 }
1939
1940 /*****************************************************************************
1941 * DelPlaylistInputThreadStateCallback: Remove call back on "State" Variable
1942 *****************************************************************************
1943 * Delete the callback function to the "state" variable of the input thread...
1944 * first find the PlayList and get the input thread from there to attach
1945 * my callback? is vlc_object_find the right way for this??
1946 *****************************************************************************/
1947 static void DelStateVariableCallback( filter_t *p_filter )
1948 {
1949     playlist_t *p_playlist = pl_Yield( p_filter );
1950     input_thread_t *p_input = p_playlist->p_input;
1951     if(p_input)
1952     {
1953         var_DelCallback( p_input, "state", StateCallback, p_filter );
1954     }
1955     vlc_object_release( p_playlist );
1956 }
1957
1958
1959 static int CropCallback(vlc_object_t *p_this, char const *psz_cmd,
1960                         vlc_value_t oldval, vlc_value_t newval,
1961                         void *p_data)
1962 {
1963     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1964     filter_t *p_filter = (filter_t *)p_data;
1965     filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys;
1966
1967     /*
1968     //if the handler is attache to crop variable directly!
1969     int i_visible_width, i_visible_height, i_x_offset, i_y_offset;
1970     atmo_parse_crop(newval.psz_string, p_vout->fmt_render,
1971     p_vout->fmt_render,
1972     i_visible_width, i_visible_height,
1973     i_x_offset, i_y_offset);
1974     p_sys->i_crop_x_offset  = i_x_offset;
1975     p_sys->i_crop_y_offset  = i_y_offset;
1976     p_sys->i_crop_width     = i_visible_width;
1977     p_sys->i_crop_height    = i_visible_height;
1978     */
1979
1980     p_sys->i_crop_x_offset  = p_vout->fmt_in.i_x_offset;
1981     p_sys->i_crop_y_offset  = p_vout->fmt_in.i_y_offset;
1982     p_sys->i_crop_width     = p_vout->fmt_in.i_visible_width;
1983     p_sys->i_crop_height    = p_vout->fmt_in.i_visible_height;
1984
1985     msg_Dbg(p_filter, "cropping picture %ix%i to %i,%i,%ix%i",
1986         p_vout->fmt_in.i_width,
1987         p_vout->fmt_in.i_height,
1988         p_sys->i_crop_x_offset,
1989         p_sys->i_crop_y_offset,
1990         p_sys->i_crop_width,
1991         p_sys->i_crop_height
1992         );
1993
1994     return VLC_SUCCESS;
1995 }
1996
1997
1998 static void AddCropVariableCallback( filter_t *p_filter)
1999 {
2000     vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find( p_filter,
2001         VLC_OBJECT_VOUT,
2002         FIND_ANYWHERE );
2003     if( p_vout )
2004     {
2005         var_AddCallback( p_vout, "crop-update", CropCallback, p_filter );
2006         vlc_object_release( p_vout );
2007     }
2008 }
2009
2010 static void DelCropVariableCallback( filter_t *p_filter)
2011 {
2012     vout_thread_t *p_vout = (vout_thread_t *)vlc_object_find( p_filter,
2013         VLC_OBJECT_VOUT,
2014         FIND_ANYWHERE );
2015     if( p_vout )
2016     {
2017         var_DelCallback( p_vout, "crop-update", CropCallback, p_filter );
2018         vlc_object_release( p_vout );
2019     }
2020 }
2021
2022
2023 /****************************************************************************
2024 * StateCallback: Callback for the inputs variable "State" to get notified
2025 * about Pause and Continue Playback events.
2026 *****************************************************************************/
2027 static int AtmoSettingsCallback( vlc_object_t *p_this, char const *psz_var,
2028                                  vlc_value_t oldval, vlc_value_t newval,
2029                                  void *p_data )
2030 {
2031     filter_t *p_filter = (filter_t *)p_data;
2032     filter_sys_t *p_sys = (filter_sys_t *)p_filter->p_sys;
2033
2034     CAtmoConfig *p_atmo_config = p_sys->p_atmo_config;
2035     if(p_atmo_config)
2036     {
2037
2038        msg_Dbg(p_filter, "apply AtmoSettingsCallback %s (int: %d -> %d)",
2039              psz_var,
2040              oldval.i_int,
2041              newval.i_int
2042        );
2043
2044         if( !strcmp( psz_var, CFG_PREFIX "filtermode" ))
2045             p_atmo_config->setLiveViewFilterMode( (AtmoFilterMode)newval.i_int);
2046
2047         else if( !strcmp( psz_var, CFG_PREFIX "PercentNew" ))
2048                  p_atmo_config->setLiveViewFilter_PercentNew( newval.i_int );
2049
2050         else if( !strcmp( psz_var, CFG_PREFIX "MeanLength" ))
2051                  p_atmo_config->setLiveViewFilter_MeanLength( newval.i_int );
2052
2053         else if( !strcmp( psz_var, CFG_PREFIX "MeanThreshold" ))
2054                  p_atmo_config->setLiveViewFilter_MeanThreshold( newval.i_int );
2055
2056         else if( !strcmp( psz_var, CFG_PREFIX "EdgeWeightning" ))
2057                  p_atmo_config->setLiveView_EdgeWeighting( newval.i_int );
2058
2059         else if( !strcmp( psz_var, CFG_PREFIX "Brightness" ))
2060                  p_atmo_config->setLiveView_BrightCorrect( newval.i_int );
2061
2062         else if( !strcmp( psz_var, CFG_PREFIX "DarknessLimit" ))
2063                  p_atmo_config->setLiveView_DarknessLimit( newval.i_int );
2064
2065         else if( !strcmp( psz_var, CFG_PREFIX "HueWinSize" ))
2066                  p_atmo_config->setLiveView_HueWinSize( newval.i_int );
2067
2068         else if( !strcmp( psz_var, CFG_PREFIX "SatWinSize" ))
2069                  p_atmo_config->setLiveView_SatWinSize( newval.i_int );
2070
2071         else if( !strcmp( psz_var, CFG_PREFIX "FrameDelay" ))
2072                  p_atmo_config->setLiveView_FrameDelay( newval.i_int );
2073
2074         else if( !strcmp( psz_var, CFG_PREFIX "whiteadj" ))
2075                  p_atmo_config->setUseSoftwareWhiteAdj( newval.b_bool );
2076
2077         else if( !strcmp( psz_var, CFG_PREFIX "white-red" ))
2078                  p_atmo_config->setWhiteAdjustment_Red( newval.i_int );
2079
2080         else if( !strcmp( psz_var, CFG_PREFIX "white-green" ))
2081                  p_atmo_config->setWhiteAdjustment_Green( newval.i_int );
2082
2083         else if( !strcmp( psz_var, CFG_PREFIX "white-blue" ))
2084                  p_atmo_config->setWhiteAdjustment_Blue( newval.i_int );
2085
2086     }
2087     return VLC_SUCCESS;
2088 }
2089
2090 static void AddAtmoSettingsVariablesCallbacks(filter_t *p_filter)
2091 {
2092    var_AddCallback( p_filter, CFG_PREFIX "filtermode",
2093                     AtmoSettingsCallback, p_filter );
2094    var_AddCallback( p_filter, CFG_PREFIX "PercentNew",
2095                     AtmoSettingsCallback, p_filter );
2096
2097
2098    var_AddCallback( p_filter, CFG_PREFIX "MeanLength",
2099                     AtmoSettingsCallback, p_filter );
2100    var_AddCallback( p_filter, CFG_PREFIX "MeanThreshold",
2101                     AtmoSettingsCallback, p_filter );
2102
2103    var_AddCallback( p_filter, CFG_PREFIX "EdgeWeightning",
2104                     AtmoSettingsCallback, p_filter );
2105    var_AddCallback( p_filter, CFG_PREFIX "Brightness",
2106                     AtmoSettingsCallback, p_filter );
2107    var_AddCallback( p_filter, CFG_PREFIX "DarknessLimit",
2108                     AtmoSettingsCallback, p_filter );
2109
2110    var_AddCallback( p_filter, CFG_PREFIX "HueWinSize",
2111                     AtmoSettingsCallback, p_filter );
2112    var_AddCallback( p_filter, CFG_PREFIX "SatWinSize",
2113                     AtmoSettingsCallback, p_filter );
2114    var_AddCallback( p_filter, CFG_PREFIX "FrameDelay",
2115                     AtmoSettingsCallback, p_filter );
2116
2117
2118    var_AddCallback( p_filter, CFG_PREFIX "whiteadj",
2119                     AtmoSettingsCallback, p_filter );
2120    var_AddCallback( p_filter, CFG_PREFIX "white-red",
2121                     AtmoSettingsCallback, p_filter );
2122    var_AddCallback( p_filter, CFG_PREFIX "white-green",
2123                     AtmoSettingsCallback, p_filter );
2124    var_AddCallback( p_filter, CFG_PREFIX "white-blue",
2125                     AtmoSettingsCallback, p_filter );
2126 }
2127
2128 static void DelAtmoSettingsVariablesCallbacks( filter_t *p_filter )
2129 {
2130
2131    var_DelCallback( p_filter, CFG_PREFIX "filtermode",
2132                     AtmoSettingsCallback, p_filter );
2133
2134    var_DelCallback( p_filter, CFG_PREFIX "PercentNew",
2135                     AtmoSettingsCallback, p_filter );
2136    var_DelCallback( p_filter, CFG_PREFIX "MeanLength",
2137                     AtmoSettingsCallback, p_filter );
2138    var_DelCallback( p_filter, CFG_PREFIX "MeanThreshold",
2139                     AtmoSettingsCallback, p_filter );
2140
2141    var_DelCallback( p_filter, CFG_PREFIX "EdgeWeightning",
2142                     AtmoSettingsCallback, p_filter );
2143    var_DelCallback( p_filter, CFG_PREFIX "Brightness",
2144                     AtmoSettingsCallback, p_filter );
2145    var_DelCallback( p_filter, CFG_PREFIX "DarknessLimit",
2146                     AtmoSettingsCallback, p_filter );
2147
2148    var_DelCallback( p_filter, CFG_PREFIX "HueWinSize",
2149                     AtmoSettingsCallback, p_filter );
2150    var_DelCallback( p_filter, CFG_PREFIX "SatWinSize",
2151                     AtmoSettingsCallback, p_filter );
2152    var_DelCallback( p_filter, CFG_PREFIX "FrameDelay",
2153                     AtmoSettingsCallback, p_filter );
2154
2155
2156    var_DelCallback( p_filter, CFG_PREFIX "whiteadj",
2157                     AtmoSettingsCallback, p_filter );
2158    var_DelCallback( p_filter, CFG_PREFIX "white-red",
2159                     AtmoSettingsCallback, p_filter );
2160    var_DelCallback( p_filter, CFG_PREFIX "white-green",
2161                     AtmoSettingsCallback, p_filter );
2162    var_DelCallback( p_filter, CFG_PREFIX "white-blue",
2163                     AtmoSettingsCallback, p_filter );
2164
2165 }
2166
2167
2168 #if defined(__ATMO_DEBUG__)
2169 static void atmo_parse_crop(char *psz_cropconfig,
2170                             video_format_t fmt_in,
2171                             video_format_t fmt_render,
2172                             int &i_visible_width, int &i_visible_height,
2173                             int &i_x_offset, int &i_y_offset )
2174 {
2175     int64_t i_aspect_num, i_aspect_den;
2176     unsigned int i_width, i_height;
2177
2178     i_visible_width  = fmt_in.i_visible_width;
2179     i_visible_height = fmt_in.i_visible_height;
2180     i_x_offset       = fmt_in.i_x_offset;
2181     i_y_offset       = fmt_in.i_y_offset;
2182
2183     char *psz_end = NULL, *psz_parser = strchr( psz_cropconfig, ':' );
2184     if( psz_parser )
2185     {
2186         /* We're using the 3:4 syntax */
2187         i_aspect_num = strtol( psz_cropconfig, &psz_end, 10 );
2188         if( psz_end == psz_cropconfig || !i_aspect_num ) return;
2189
2190         i_aspect_den = strtol( ++psz_parser, &psz_end, 10 );
2191         if( psz_end == psz_parser || !i_aspect_den ) return;
2192
2193         i_width = fmt_in.i_sar_den * fmt_render.i_visible_height *
2194             i_aspect_num / i_aspect_den / fmt_in.i_sar_num;
2195
2196         i_height = fmt_render.i_visible_width*fmt_in.i_sar_num *
2197             i_aspect_den / i_aspect_num / fmt_in.i_sar_den;
2198
2199         if( i_width < fmt_render.i_visible_width )
2200         {
2201             i_x_offset = fmt_render.i_x_offset +
2202                 (fmt_render.i_visible_width - i_width) / 2;
2203             i_visible_width = i_width;
2204         }
2205         else
2206         {
2207             i_y_offset = fmt_render.i_y_offset +
2208                 (fmt_render.i_visible_height - i_height) / 2;
2209             i_visible_height = i_height;
2210         }
2211     }
2212     else
2213     {
2214         psz_parser = strchr( psz_cropconfig, 'x' );
2215         if( psz_parser )
2216         {
2217             /* Maybe we're using the <width>x<height>+<left>+<top> syntax */
2218             unsigned int i_crop_width, i_crop_height, i_crop_top, i_crop_left;
2219
2220             i_crop_width = strtol( psz_cropconfig, &psz_end, 10 );
2221             if( psz_end != psz_parser ) return;
2222
2223             psz_parser = strchr( ++psz_end, '+' );
2224             i_crop_height = strtol( psz_end, &psz_end, 10 );
2225             if( psz_end != psz_parser ) return;
2226
2227             psz_parser = strchr( ++psz_end, '+' );
2228             i_crop_left = strtol( psz_end, &psz_end, 10 );
2229             if( psz_end != psz_parser ) return;
2230
2231             psz_end++;
2232             i_crop_top = strtol( psz_end, &psz_end, 10 );
2233             if( *psz_end != '\0' ) return;
2234
2235             i_width = i_crop_width;
2236             i_visible_width = i_width;
2237
2238             i_height = i_crop_height;
2239             i_visible_height = i_height;
2240
2241             i_x_offset = i_crop_left;
2242             i_y_offset = i_crop_top;
2243         }
2244         else
2245         {
2246             /* Maybe we're using the <left>+<top>+<right>+<bottom> syntax */
2247             unsigned int i_crop_top, i_crop_left, i_crop_bottom, i_crop_right;
2248
2249             psz_parser = strchr( psz_cropconfig, '+' );
2250             i_crop_left = strtol( psz_cropconfig, &psz_end, 10 );
2251             if( psz_end != psz_parser ) return;
2252
2253             psz_parser = strchr( ++psz_end, '+' );
2254             i_crop_top = strtol( psz_end, &psz_end, 10 );
2255             if( psz_end != psz_parser ) return;
2256
2257             psz_parser = strchr( ++psz_end, '+' );
2258             i_crop_right = strtol( psz_end, &psz_end, 10 );
2259             if( psz_end != psz_parser ) return;
2260
2261             psz_end++;
2262             i_crop_bottom = strtol( psz_end, &psz_end, 10 );
2263             if( *psz_end != '\0' ) return;
2264
2265             i_width = fmt_render.i_visible_width - i_crop_left - i_crop_right;
2266             i_visible_width = i_width;
2267
2268             i_height = fmt_render.i_visible_height - i_crop_top - i_crop_bottom;
2269             i_visible_height = i_height;
2270
2271             i_x_offset = i_crop_left;
2272             i_y_offset = i_crop_top;
2273         }
2274     }
2275 }
2276 #endif