git.sesse.net Git - vlc/blob - modules/video_filter/panoramix.c

   1 /*****************************************************************************
   2  * panoramix.c : Wall panoramic video with edge blending plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000, 2001, 2002, 2003 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Cedric Cocquebert <cedric.cocquebert@supelec.fr>
   8  *          based on Samuel Hocevar <sam@zoy.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  23  *****************************************************************************/
  24
  25 /*****************************************************************************
  26  * Preamble
  27  *****************************************************************************/
  28
  29 #ifdef HAVE_CONFIG_H
  30 # include "config.h"
  31 #endif
  32
  33 #include <vlc_common.h>
  34 #include <vlc_plugin.h>
  35 #include <vlc_vout.h>
  36
  37 #include "filter_common.h"
  38
  39 // add by cedric.cocquebert@supelec.fr
  40 #define OVERLAP        2350
  41 #ifdef OVERLAP
  42     #include <math.h>
  43     // OS CODE DEPENDENT to get display dimensions
  44     #ifdef SYS_MINGW32
  45         #include <windows.h>
  46     #else
  47         #include <X11/Xlib.h>
  48     #endif
  49     #define GAMMA        1
  50 //  #define PACKED_YUV    1
  51     #define F2(a) ((a)*(a))
  52     #define F4(a,b,x) ((a)*(F2(x))+((b)*(x)))
  53     #define ACCURACY 1000
  54     #define RATIO_MAX 2500
  55     #define CLIP_01(a) (a < 0.0 ? 0.0 : (a > 1.0 ? 1.0 : a))
  56 //    #define CLIP_0A(a) (a < 0.0 ? 0.0 : (a > ACCURACY ? ACCURACY : a))
  57 #endif
  58
  59 /*****************************************************************************
  60  * Local prototypes
  61  *****************************************************************************/
  62 static int  Create    ( vlc_object_t * );
  63 static void Destroy   ( vlc_object_t * );
  64
  65 static int  Init      ( vout_thread_t * );
  66 static void End       ( vout_thread_t * );
  67 #ifdef PACKED_YUV
  68 static void RenderPackedYUV   ( vout_thread_t *, picture_t * );
  69 #endif
  70 static void RenderPlanarYUV   ( vout_thread_t *, picture_t * );
  71 static void RenderPackedRGB   ( vout_thread_t *, picture_t * );
  72
  73 static void RemoveAllVout  ( vout_thread_t *p_vout );
  74
  75 static int  SendEvents( vlc_object_t *, char const *,
  76                         vlc_value_t, vlc_value_t, void * );
  77
  78 /*****************************************************************************
  79  * Module descriptor
  80  *****************************************************************************/
  81 #define COLS_TEXT N_("Number of columns")
  82 #define COLS_LONGTEXT N_("Select the number of horizontal video windows in " \
  83     "which to split the video")
  84
  85 #define ROWS_TEXT N_("Number of rows")
  86 #define ROWS_LONGTEXT N_("Select the number of vertical video windows in " \
  87     "which to split the video")
  88
  89 #define ACTIVE_TEXT N_("Active windows")
  90 #define ACTIVE_LONGTEXT N_("Comma separated list of active windows, " \
  91     "defaults to all")
  92
  93 #define CFG_PREFIX "panoramix-"
  94
  95 vlc_module_begin();
  96     set_description( N_("Panoramix: wall with overlap video filter") );
  97     set_shortname( N_("Panoramix" ));
  98     set_capability( "video filter", 0 );
  99     set_category( CAT_VIDEO );
 100     set_subcategory( SUBCAT_VIDEO_VFILTER );
 101
 102     add_integer( CFG_PREFIX "cols", -1, NULL,
 103                  COLS_TEXT, COLS_LONGTEXT, true );
 104     add_integer( CFG_PREFIX "rows", -1, NULL,
 105                  ROWS_TEXT, ROWS_LONGTEXT, true );
 106
 107 #ifdef OVERLAP
 108 #define OFFSET_X_TEXT N_("Offset X offset (automatic compensation)")
 109 #define OFFSET_X_LONGTEXT N_("Select if you want an automatic offset in horizontal (in case of misalignment due to autoratio control)")
 110     add_bool( CFG_PREFIX "offset-x", 1, NULL, OFFSET_X_TEXT, OFFSET_X_LONGTEXT, true );
 111
 112 #define LENGTH_TEXT N_("length of the overlapping area (in %)")
 113 #define LENGTH_LONGTEXT N_("Select in percent the length of the blended zone")
 114     add_integer_with_range( CFG_PREFIX "bz-length", 100, 0, 100, NULL, LENGTH_TEXT, LENGTH_LONGTEXT, true );
 115
 116 #define HEIGHT_TEXT N_("height of the overlapping area (in %)")
 117 #define HEIGHT_LONGTEXT N_("Select in percent the height of the blended zone (case of 2x2 wall)")
 118     add_integer_with_range( CFG_PREFIX "bz-height", 100, 0, 100, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, true );
 119
 120 #define ATTENUATION_TEXT N_("Attenuation")
 121 #define ATTENUATION_LONGTEXT N_("Check this option if you want attenuate blended zone by this plug-in (if option is unchecked, attenuate is made by opengl)")
 122     add_bool( CFG_PREFIX "attenuate", 1, NULL, ATTENUATION_TEXT, ATTENUATION_LONGTEXT, false );
 123
 124 #define BEGIN_TEXT N_("Attenuation, begin (in %)")
 125 #define BEGIN_LONGTEXT N_("Select in percent the Lagrange coeff of the beginning blended zone")
 126     add_integer_with_range( CFG_PREFIX "bz-begin", 0, 0, 100, NULL, BEGIN_TEXT, BEGIN_LONGTEXT, true );
 127
 128 #define MIDDLE_TEXT N_("Attenuation, middle (in %)")
 129 #define MIDDLE_LONGTEXT N_("Select in percent the Lagrange coeff of the middle of blended zone")
 130     add_integer_with_range( CFG_PREFIX "bz-middle", 50, 0, 100, NULL, MIDDLE_TEXT, MIDDLE_LONGTEXT, false );
 131
 132 #define END_TEXT N_("Attenuation, end (in %)")
 133 #define END_LONGTEXT N_("Select in percent the Lagrange coeff of the end of blended zone")
 134     add_integer_with_range( CFG_PREFIX "bz-end", 100, 0, 100, NULL, END_TEXT, END_LONGTEXT, true );
 135
 136 #define MIDDLE_POS_TEXT N_("middle position (in %)")
 137 #define MIDDLE_POS_LONGTEXT N_("Select in percent (50 is center) the position of the middle point (Lagrange) of blended zone")
 138     add_integer_with_range( CFG_PREFIX "bz-middle-pos", 50, 1, 99, NULL, MIDDLE_POS_TEXT, MIDDLE_POS_LONGTEXT, false );
 139 #ifdef GAMMA
 140 #define RGAMMA_TEXT N_("Gamma (Red) correction")
 141 #define RGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Red or Y component)")
 142     add_float_with_range( CFG_PREFIX "bz-gamma-red", 1, 0, 5, NULL, RGAMMA_TEXT, RGAMMA_LONGTEXT, true );
 143
 144 #define GGAMMA_TEXT N_("Gamma (Green) correction")
 145 #define GGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Green or U component)")
 146     add_float_with_range( CFG_PREFIX "bz-gamma-green", 1, 0, 5, NULL, GGAMMA_TEXT, GGAMMA_LONGTEXT, true );
 147
 148 #define BGAMMA_TEXT N_("Gamma (Blue) correction")
 149 #define BGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Blue or V component)")
 150     add_float_with_range( CFG_PREFIX "bz-gamma-blue", 1, 0, 5, NULL, BGAMMA_TEXT, BGAMMA_LONGTEXT, true );
 151 #endif
 152 #define RGAMMA_BC_TEXT N_("Black Crush for Red")
 153 #define RGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Red or Y component)")
 154 #define GGAMMA_BC_TEXT N_("Black Crush for Green")
 155 #define GGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Green or U component)")
 156 #define BGAMMA_BC_TEXT N_("Black Crush for Blue")
 157 #define BGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Blue or V component)")
 158
 159 #define RGAMMA_WC_TEXT N_("White Crush for Red")
 160 #define RGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Red or Y component)")
 161 #define GGAMMA_WC_TEXT N_("White Crush for Green")
 162 #define GGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Green or U component)")
 163 #define BGAMMA_WC_TEXT N_("White Crush for Blue")
 164 #define BGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Blue or V component)")
 165
 166 #define RGAMMA_BL_TEXT N_("Black Level for Red")
 167 #define RGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Red or Y component)")
 168 #define GGAMMA_BL_TEXT N_("Black Level for Green")
 169 #define GGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Green or U component)")
 170 #define BGAMMA_BL_TEXT N_("Black Level for Blue")
 171 #define BGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Blue or V component)")
 172
 173 #define RGAMMA_WL_TEXT N_("White Level for Red")
 174 #define RGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Red or Y component)")
 175 #define GGAMMA_WL_TEXT N_("White Level for Green")
 176 #define GGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Green or U component)")
 177 #define BGAMMA_WL_TEXT N_("White Level for Blue")
 178 #define BGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Blue or V component)")
 179     add_integer_with_range( CFG_PREFIX "bz-blackcrush-red", 140, 0, 255, NULL, RGAMMA_BC_TEXT, RGAMMA_BC_LONGTEXT, true );
 180     add_integer_with_range( CFG_PREFIX "bz-blackcrush-green", 140, 0, 255, NULL, GGAMMA_BC_TEXT, GGAMMA_BC_LONGTEXT, true );
 181     add_integer_with_range( CFG_PREFIX "bz-blackcrush-blue", 140, 0, 255, NULL, BGAMMA_BC_TEXT, BGAMMA_BC_LONGTEXT, true );
 182     add_integer_with_range( CFG_PREFIX "bz-whitecrush-red", 200, 0, 255, NULL, RGAMMA_WC_TEXT, RGAMMA_WC_LONGTEXT, true );
 183     add_integer_with_range( CFG_PREFIX "bz-whitecrush-green", 200, 0, 255, NULL, GGAMMA_WC_TEXT, GGAMMA_WC_LONGTEXT, true );
 184     add_integer_with_range( CFG_PREFIX "bz-whitecrush-blue", 200, 0, 255, NULL, BGAMMA_WC_TEXT, BGAMMA_WC_LONGTEXT, true );
 185     add_integer_with_range( CFG_PREFIX "bz-blacklevel-red", 150, 0, 255, NULL, RGAMMA_BL_TEXT, RGAMMA_BL_LONGTEXT, true );
 186     add_integer_with_range( CFG_PREFIX "bz-blacklevel-green", 150, 0, 255, NULL, GGAMMA_BL_TEXT, GGAMMA_BL_LONGTEXT, true );
 187     add_integer_with_range( CFG_PREFIX "bz-blacklevel-blue", 150, 0, 255, NULL, BGAMMA_BL_TEXT, BGAMMA_BL_LONGTEXT, true );
 188     add_integer_with_range( CFG_PREFIX "bz-whitelevel-red", 0, 0, 255, NULL, RGAMMA_WL_TEXT, RGAMMA_WL_LONGTEXT, true );
 189     add_integer_with_range( CFG_PREFIX "bz-whitelevel-green", 0, 0, 255, NULL, GGAMMA_WL_TEXT, GGAMMA_WL_LONGTEXT, true );
 190     add_integer_with_range( CFG_PREFIX "bz-whitelevel-blue", 0, 0, 255, NULL, BGAMMA_WL_TEXT, BGAMMA_WL_LONGTEXT, true );
 191 #ifndef SYS_MINGW32
 192 #define XINERAMA_TEXT N_("Xinerama option")
 193 #define XINERAMA_LONGTEXT N_("Uncheck if you have not used xinerama")
 194     add_bool( CFG_PREFIX "xinerama", 1, NULL, XINERAMA_TEXT, XINERAMA_LONGTEXT, true );
 195 #endif
 196 #endif
 197
 198     add_string( CFG_PREFIX "active", NULL, NULL, ACTIVE_TEXT, ACTIVE_LONGTEXT, true );
 199
 200     add_shortcut( "panoramix" );
 201     set_callbacks( Create, Destroy );
 202 vlc_module_end();
 203
 204 static const char *const ppsz_filter_options[] = {
 205     "cols", "rows", "offset-x", "bz-length", "bz-height", "attenuate",
 206     "bz-begin", "bz-middle", "bz-end", "bz-middle-pos", "bz-gamma-red",
 207     "bz-gamma-green", "bz-gamma-blue", "bz-blackcrush-red",
 208     "bz-blackcrush-green", "bz-blackcrush-blue", "bz-whitecrush-red",
 209     "bz-whitecrush-green", "bz-whitecrush-blue", "bz-blacklevel-red",
 210     "bz-blacklevel-green", "bz-blacklevel-blue", "bz-whitelevel-red",
 211     "bz-whitelevel-green", "bz-whitelevel-blue", "xinerama", "active",
 212     NULL
 213 };
 214
 215 /*****************************************************************************
 216  * vout_sys_t: Wall video output method descriptor
 217  *****************************************************************************
 218  * This structure is part of the video output thread descriptor.
 219  * It describes the Wall specific properties of an output thread.
 220  *****************************************************************************/
 221 struct vout_sys_t
 222 {
 223 #ifdef OVERLAP
 224     bool   b_autocrop;
 225     bool   b_attenuate;
 226     unsigned int bz_length, bz_height, bz_begin, bz_middle, bz_end, bz_middle_pos;
 227     unsigned int i_ratio_max;
 228     unsigned int i_ratio;
 229     unsigned int a_0, a_1, a_2;
 230     bool     b_has_changed;
 231     int lambda[2][VOUT_MAX_PLANES][500];
 232     int cstYUV[2][VOUT_MAX_PLANES][500];
 233     int lambda2[2][VOUT_MAX_PLANES][500];
 234     int cstYUV2[2][VOUT_MAX_PLANES][500];
 235     unsigned int i_halfLength;
 236     unsigned int i_halfHeight;
 237     int i_offset_x;
 238     int i_offset_y;
 239 #ifdef GAMMA
 240     float        f_gamma_red, f_gamma_green, f_gamma_blue;
 241     float         f_gamma[VOUT_MAX_PLANES];
 242     uint8_t         LUT[VOUT_MAX_PLANES][ACCURACY + 1][256];
 243 #ifdef PACKED_YUV
 244     uint8_t         LUT2[VOUT_MAX_PLANES][256][500];
 245 #endif
 246 #endif
 247 #ifndef SYS_MINGW32
 248     bool   b_xinerama;
 249 #endif
 250 #endif
 251     int    i_col;
 252     int    i_row;
 253     int    i_vout;
 254     struct vout_list_t
 255     {
 256         bool b_active;
 257         int i_width;
 258         int i_height;
 259         vout_thread_t *p_vout;
 260     } *pp_vout;
 261 };
 262
 263
 264
 265 /*****************************************************************************
 266  * Control: control facility for the vout (forwards to child vout)
 267  *****************************************************************************/
 268 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 269 {
 270     int i_row, i_col, i_vout = 0;
 271
 272     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 273     {
 274         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
 275         {
 276             vout_vaControl( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 277                             i_query, args );
 278             i_vout++;
 279         }
 280     }
 281     return VLC_SUCCESS;
 282 }
 283
 284 /*****************************************************************************
 285  * Create: allocates Wall video thread output method
 286  *****************************************************************************
 287  * This function allocates and initializes a Wall vout method.
 288  *****************************************************************************/
 289 static int Create( vlc_object_t *p_this )
 290 {
 291     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 292     char *psz_method, *psz_tmp, *psz_method_tmp;
 293     int i_vout;
 294
 295     /* Allocate structure */
 296     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 297     if( p_vout->p_sys == NULL )
 298     {
 299         msg_Err( p_vout, "out of memory" );
 300         return VLC_ENOMEM;
 301     }
 302
 303     p_vout->pf_init = Init;
 304     p_vout->pf_end = End;
 305     p_vout->pf_manage = NULL;
 306 /* Color Format not supported
 307 // Planar Y, packed UV
 308 case VLC_FOURCC('Y','M','G','A'):
 309 // Packed YUV 4:2:2, U:Y:V:Y, interlaced
 310 case VLC_FOURCC('I','U','Y','V'):    // packed by 2
 311 // Packed YUV 2:1:1, Y:U:Y:V
 312 case VLC_FOURCC('Y','2','1','1'):     // packed by 4
 313 // Packed YUV Reverted
 314 case VLC_FOURCC('c','y','u','v'):    // packed by 2
 315 */
 316     switch (p_vout->render.i_chroma)
 317     {
 318     // planar YUV
 319         case VLC_FOURCC('I','4','4','4'):
 320         case VLC_FOURCC('I','4','2','2'):
 321         case VLC_FOURCC('I','4','2','0'):
 322         case VLC_FOURCC('Y','V','1','2'):
 323         case VLC_FOURCC('I','Y','U','V'):
 324         case VLC_FOURCC('I','4','1','1'):
 325         case VLC_FOURCC('I','4','1','0'):
 326         case VLC_FOURCC('Y','V','U','9'):
 327         case VLC_FOURCC('Y','U','V','A'):
 328             p_vout->pf_render = RenderPlanarYUV;
 329             break;
 330     // packed RGB
 331         case VLC_FOURCC('R','G','B','2'):    // packed by 1
 332         case VLC_FOURCC('R','V','1','5'):    // packed by 2
 333         case VLC_FOURCC('R','V','1','6'):    // packed by 2
 334         case VLC_FOURCC('R','V','2','4'):    // packed by 3
 335         case VLC_FOURCC('R','V','3','2'):    // packed by 4
 336             p_vout->pf_render = RenderPackedRGB;
 337             break;
 338 #ifdef PACKED_YUV
 339     // packed YUV
 340         case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
 341         case VLC_FOURCC('Y','U','N','V'):    // packed by 2
 342         case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
 343         case VLC_FOURCC('U','Y','N','V'):    // packed by 2
 344         case VLC_FOURCC('Y','4','2','2'):    // packed by 2
 345             p_vout->pf_render = RenderPackedYUV;
 346             break;
 347 #endif
 348         default:
 349             msg_Err( p_vout, "colorspace not supported by plug-in !!!");
 350             free( p_vout->p_sys );
 351             return VLC_ENOMEM;
 352     }
 353     p_vout->pf_display = NULL;
 354     p_vout->pf_control = Control;
 355
 356     config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
 357                        p_vout->p_cfg );
 358
 359     /* Look what method was requested */
 360     p_vout->p_sys->i_col = var_CreateGetInteger( p_vout, CFG_PREFIX "cols" );
 361     p_vout->p_sys->i_row = var_CreateGetInteger( p_vout, CFG_PREFIX "rows" );
 362
 363 // OS dependent code :  Autodetect number of displays in wall
 364 #ifdef SYS_MINGW32
 365     if ((p_vout->p_sys->i_col < 0) || (p_vout->p_sys->i_row < 0) )
 366     {
 367         int nbMonitors = GetSystemMetrics(SM_CMONITORS);
 368         if (nbMonitors == 1)
 369         {
 370             nbMonitors = 5; // 1 display => 5x1 simulation
 371             p_vout->p_sys->i_col = nbMonitors;
 372             p_vout->p_sys->i_row = 1;
 373         }
 374         else
 375         {
 376             p_vout->p_sys->i_col = GetSystemMetrics( SM_CXVIRTUALSCREEN ) / GetSystemMetrics( SM_CXSCREEN );
 377             p_vout->p_sys->i_row = GetSystemMetrics( SM_CYVIRTUALSCREEN ) / GetSystemMetrics( SM_CYSCREEN );
 378             if (p_vout->p_sys->i_col * p_vout->p_sys->i_row != nbMonitors)
 379             {
 380                 p_vout->p_sys->i_col = nbMonitors;
 381                 p_vout->p_sys->i_row = 1;
 382             }
 383         }
 384         var_SetInteger( p_vout, CFG_PREFIX "cols", p_vout->p_sys->i_col);
 385         var_SetInteger( p_vout, CFG_PREFIX "rows", p_vout->p_sys->i_row);
 386     }
 387 #endif
 388
 389 #ifdef OVERLAP
 390     p_vout->p_sys->i_offset_x = var_CreateGetInteger( p_vout, CFG_PREFIX "offset-x" );
 391     if (p_vout->p_sys->i_col > 2) p_vout->p_sys->i_offset_x = 0; // offset-x is used in case of 2x1 wall & autocrop
 392     p_vout->p_sys->b_autocrop = !(var_CreateGetInteger( p_vout, "crop-ratio" ) == 0);
 393     if (!p_vout->p_sys->b_autocrop) p_vout->p_sys->b_autocrop = var_CreateGetInteger( p_vout, "autocrop" );
 394     p_vout->p_sys->b_attenuate = var_CreateGetInteger( p_vout, CFG_PREFIX "attenuate");
 395     p_vout->p_sys->bz_length = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-length" );
 396     if (p_vout->p_sys->i_row > 1)
 397         p_vout->p_sys->bz_height = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-height" );
 398     else
 399         p_vout->p_sys->bz_height = 100;
 400     p_vout->p_sys->bz_begin = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-begin" );
 401     p_vout->p_sys->bz_middle = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-middle" );
 402     p_vout->p_sys->bz_end = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-end" );
 403     p_vout->p_sys->bz_middle_pos = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-middle-pos" );
 404     double d_p = 100.0 / p_vout->p_sys->bz_middle_pos;
 405     p_vout->p_sys->i_ratio_max = var_CreateGetInteger( p_vout, "autocrop-ratio-max" ); // in crop module with autocrop ...
 406     p_vout->p_sys->i_ratio = var_CreateGetInteger( p_vout, "crop-ratio" ); // in crop module with manual ratio ...
 407
 408     p_vout->p_sys->a_2 = d_p * p_vout->p_sys->bz_begin - (double)(d_p * d_p / (d_p - 1)) * p_vout->p_sys->bz_middle + (double)(d_p / (d_p - 1)) * p_vout->p_sys->bz_end;
 409     p_vout->p_sys->a_1 = -(d_p + 1) * p_vout->p_sys->bz_begin + (double)(d_p * d_p / (d_p - 1)) * p_vout->p_sys->bz_middle - (double)(1 / (d_p - 1)) * p_vout->p_sys->bz_end;
 410     p_vout->p_sys->a_0 =  p_vout->p_sys->bz_begin;
 411
 412 #ifdef GAMMA
 413     p_vout->p_sys->f_gamma_red = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
 414     p_vout->p_sys->f_gamma_green = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 415     p_vout->p_sys->f_gamma_blue = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 416 #endif
 417 #ifndef SYS_MINGW32
 418     p_vout->p_sys->b_xinerama= var_CreateGetInteger( p_vout, CFG_PREFIX "xinerama" );
 419 #endif
 420 #else
 421     p_vout->p_sys->i_col = __MAX( 1, __MIN( 15, p_vout->p_sys->i_col ) );
 422     p_vout->p_sys->i_row = __MAX( 1, __MIN( 15, p_vout->p_sys->i_row ) );
 423 #endif
 424
 425     msg_Dbg( p_vout, "opening a %i x %i wall",
 426              p_vout->p_sys->i_col, p_vout->p_sys->i_row );
 427
 428     p_vout->p_sys->pp_vout = malloc( p_vout->p_sys->i_row *
 429                                      p_vout->p_sys->i_col *
 430                                      sizeof(struct vout_list_t) );
 431     if( p_vout->p_sys->pp_vout == NULL )
 432     {
 433         msg_Err( p_vout, "out of memory" );
 434         free( p_vout->p_sys );
 435         return VLC_ENOMEM;
 436     }
 437
 438     psz_method_tmp =
 439     psz_method = var_CreateGetNonEmptyString( p_vout, CFG_PREFIX "active" );
 440
 441     /* If no trailing vout are specified, take them all */
 442     if( psz_method == NULL )
 443     {
 444         for( i_vout = p_vout->p_sys->i_row * p_vout->p_sys->i_col;
 445              i_vout--; )
 446         {
 447             p_vout->p_sys->pp_vout[i_vout].b_active = 1;
 448         }
 449     }
 450     /* If trailing vout are specified, activate only the requested ones */
 451     else
 452     {
 453         for( i_vout = p_vout->p_sys->i_row * p_vout->p_sys->i_col;
 454              i_vout--; )
 455         {
 456             p_vout->p_sys->pp_vout[i_vout].b_active = 0;
 457         }
 458
 459         while( *psz_method )
 460         {
 461             psz_tmp = psz_method;
 462             while( *psz_tmp && *psz_tmp != ',' )
 463             {
 464                 psz_tmp++;
 465             }
 466
 467             if( *psz_tmp )
 468             {
 469                 *psz_tmp = '\0';
 470                 i_vout = atoi( psz_method );
 471                 psz_method = psz_tmp + 1;
 472             }
 473             else
 474             {
 475                 i_vout = atoi( psz_method );
 476                 psz_method = psz_tmp;
 477             }
 478
 479             if( i_vout >= 0 &&
 480                 i_vout < p_vout->p_sys->i_row * p_vout->p_sys->i_col )
 481             {
 482                 p_vout->p_sys->pp_vout[i_vout].b_active = 1;
 483             }
 484         }
 485     }
 486
 487     free( psz_method_tmp );
 488
 489     return VLC_SUCCESS;
 490 }
 491
 492
 493 #ifdef OVERLAP
 494 /*****************************************************************************
 495  * CLIP_0A: clip between 0 and ACCURACY
 496  *****************************************************************************/
 497 inline static int CLIP_0A( int a )
 498 {
 499     return (a > ACCURACY) ? ACCURACY : (a < 0) ? 0 : a;
 500 }
 501
 502 #ifdef GAMMA
 503 /*****************************************************************************
 504  *  Gamma: Gamma correction
 505  *****************************************************************************/
 506 static double Gamma_Correction(int i_plane, float f_component, float f_BlackCrush[VOUT_MAX_PLANES], float f_WhiteCrush[VOUT_MAX_PLANES], float f_BlackLevel[VOUT_MAX_PLANES], float f_WhiteLevel[VOUT_MAX_PLANES], float f_Gamma[VOUT_MAX_PLANES])
 507 {
 508     float f_Input;
 509
 510     f_Input = (f_component * f_BlackLevel[i_plane]) / (f_BlackCrush[i_plane]) + (1.0 - f_BlackLevel[i_plane]);
 511     if (f_component <= f_BlackCrush[i_plane])
 512          return pow(f_Input, 1.0 / f_Gamma[i_plane]);
 513     else if (f_component >= f_WhiteCrush[i_plane])
 514     {
 515         f_Input = (f_component * (1.0 - (f_WhiteLevel[i_plane] + 1.0)) + (f_WhiteLevel[i_plane] + 1.0) * f_WhiteCrush[i_plane] - 1.0) / (f_WhiteCrush[i_plane] - 1.0);
 516         return pow(f_Input, 1.0 / f_Gamma[i_plane]);
 517     }
 518            else
 519             return 1.0;
 520 }
 521
 522 #ifdef PACKED_YUV
 523
 524 /*****************************************************************************
 525  * F: Function to calculate Gamma correction
 526  *****************************************************************************/
 527 static uint8_t F(uint8_t i, float gamma)
 528 {
 529  double input = (double) i / 255.0;
 530
 531 // return clip(255 * pow(input, 1.0 / gamma));
 532
 533  if (input < 0.5)
 534      return clip_uint8((255 * pow(2 * input, gamma)) / 2);
 535  else
 536      return clip_uint8(255 * (1 - pow(2 * (1 - input), gamma) / 2));
 537
 538 }
 539 #endif
 540 #endif
 541
 542 /*****************************************************************************
 543  * AdjustHeight: ajust p_sys->i_height to have same BZ width for any ratio
 544  *****************************************************************************/
 545 static int AdjustHeight( vout_thread_t *p_vout )
 546 {
 547     bool b_fullscreen = var_CreateGetInteger( p_vout, "fullscreen" );
 548     int i_window_width = p_vout->i_window_width;
 549     int i_window_height = p_vout->i_window_height;
 550     double d_halfLength = 0;
 551     double d_halfLength_crop;
 552     double d_halfLength_calculated;
 553     int    i_offset = 0;
 554
 555 // OS DEPENDENT CODE to get display dimensions
 556         if (b_fullscreen)
 557         {
 558 #ifdef SYS_MINGW32
 559             i_window_width  = GetSystemMetrics(SM_CXSCREEN);
 560             i_window_height = GetSystemMetrics(SM_CYSCREEN);
 561 #else
 562             Display *p_display = XOpenDisplay( "" );
 563             if (p_vout->p_sys->b_xinerama)
 564             {
 565                 i_window_width = DisplayWidth(p_display, 0) / p_vout->p_sys->i_col;
 566                 i_window_height = DisplayHeight(p_display, 0) / p_vout->p_sys->i_row;
 567              }
 568             else
 569             {
 570                 i_window_width = DisplayWidth(p_display, 0);
 571                 i_window_height = DisplayHeight(p_display, 0);
 572             }
 573                XCloseDisplay( p_display );
 574                free(p_display);
 575 #endif
 576         var_SetInteger( p_vout, "width", i_window_width);
 577         var_SetInteger( p_vout, "height", i_window_height);
 578         p_vout->i_window_width = i_window_width;
 579            p_vout->i_window_height = i_window_height;
 580         }
 581
 582         if (p_vout->p_sys->bz_length)
 583         if ((!p_vout->p_sys->b_autocrop) && (!p_vout->p_sys->i_ratio))
 584         {
 585             if ((p_vout->p_sys->i_row > 1) || (p_vout->p_sys->i_col > 1))
 586             {
 587               while ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col)))
 588               {
 589                 if (p_vout->p_sys->bz_length >= 50)
 590                     d_halfLength = i_window_width * p_vout->render.i_height / (2 * i_window_height * p_vout->p_sys->i_row) - p_vout->render.i_width / (2 * p_vout->p_sys->i_col);
 591                 else
 592                 {
 593                     d_halfLength = (p_vout->render.i_width * p_vout->p_sys->bz_length) / (100.0 * p_vout->p_sys->i_col);
 594                     d_halfLength = __MAX(i_window_width * p_vout->render.i_height / (2 * i_window_height * p_vout->p_sys->i_row) - p_vout->render.i_width / (2 * p_vout->p_sys->i_col), d_halfLength);
 595                 }
 596                 if ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col))) p_vout->p_sys->i_row--;
 597                 if (p_vout->p_sys->i_row < 1 )
 598                 {
 599                     p_vout->p_sys->i_row = 1;
 600                     break;
 601                 }
 602               }
 603               p_vout->p_sys->i_halfLength = (d_halfLength + 0.5);
 604               p_vout->p_sys->bz_length = (p_vout->p_sys->i_halfLength * 100.0 * p_vout->p_sys->i_col) / p_vout->render.i_width;
 605               var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
 606               var_SetInteger( p_vout, "panoramix-rows", p_vout->p_sys->i_row);
 607               }
 608         }
 609         else
 610         {
 611             d_halfLength = ((2 * (double)i_window_width - (double)(p_vout->p_sys->i_ratio_max * i_window_height) / 1000.0 ) * (double)p_vout->p_sys->bz_length) / 200.0;
 612             d_halfLength_crop = d_halfLength * VOUT_ASPECT_FACTOR * (double)p_vout->output.i_width
 613                         / (double)i_window_height / (double)p_vout->render.i_aspect;
 614             p_vout->p_sys->i_halfLength = (d_halfLength_crop + 0.5);
 615             d_halfLength_calculated = p_vout->p_sys->i_halfLength * (double)i_window_height *
 616                                 (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width;
 617
 618             if (!p_vout->p_sys->b_attenuate)
 619             {
 620                 double d_bz_length = (p_vout->p_sys->i_halfLength * p_vout->p_sys->i_col * 100.0) / p_vout->render.i_width;
 621                 // F(2x) != 2F(x) in opengl module
 622                 if (p_vout->p_sys->i_col == 2) d_bz_length = (100.0 * d_bz_length) / (100.0 - d_bz_length) ;
 623                 var_SetInteger( p_vout, "bz-length", (int)(d_bz_length + 0.5));
 624             }
 625             i_offset =  (int)d_halfLength - (int)
 626                         (p_vout->p_sys->i_halfLength * (double)i_window_height *
 627                         (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width);
 628         }
 629         else
 630             d_halfLength = 0;
 631
 632         return i_offset;
 633 }
 634 #endif
 635
 636
 637 /*****************************************************************************
 638  * Init: initialize Wall video thread output method
 639  *****************************************************************************/
 640 static int Init( vout_thread_t *p_vout )
 641 {
 642     int i_index, i_row, i_col, i_width, i_height;
 643     picture_t *p_pic;
 644
 645     I_OUTPUTPICTURES = 0;
 646
 647     /* Initialize the output structure */
 648     p_vout->output.i_chroma = p_vout->render.i_chroma;
 649     p_vout->output.i_width  = p_vout->render.i_width;
 650     p_vout->output.i_height = p_vout->render.i_height;
 651     p_vout->output.i_aspect = p_vout->render.i_aspect;
 652 #ifdef OVERLAP
 653     p_vout->p_sys->b_has_changed = p_vout->p_sys->b_attenuate;
 654     int i_video_x = var_GetInteger( p_vout, "video-x");
 655     int i_video_y = var_GetInteger( p_vout, "video-y");
 656 #ifdef GAMMA
 657     if (p_vout->p_sys->b_attenuate)
 658     {
 659         int i_index2, i_plane;
 660         int constantYUV[3] = {0,128,128};
 661         float    f_BlackCrush[VOUT_MAX_PLANES];
 662         float    f_BlackLevel[VOUT_MAX_PLANES];
 663         float    f_WhiteCrush[VOUT_MAX_PLANES];
 664         float    f_WhiteLevel[VOUT_MAX_PLANES];
 665         p_vout->p_sys->f_gamma[0] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
 666         p_vout->p_sys->f_gamma[1] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 667         p_vout->p_sys->f_gamma[2] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 668         f_BlackCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-red" ) / 255.0;
 669         f_BlackCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-green" ) / 255.0;
 670         f_BlackCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-blue" ) / 255.0;
 671         f_WhiteCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-red" ) / 255.0;
 672         f_WhiteCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-green" ) / 255.0;
 673         f_WhiteCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-blue" ) / 255.0;
 674         f_BlackLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-red" ) / 255.0;
 675         f_BlackLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-green" ) / 255.0;
 676         f_BlackLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-blue" ) / 255.0;
 677         f_WhiteLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-red" ) / 255.0;
 678         f_WhiteLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-green" ) / 255.0;
 679         f_WhiteLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-blue" ) / 255.0;
 680         switch (p_vout->render.i_chroma)
 681         {
 682         // planar YVU
 683             case VLC_FOURCC('Y','V','1','2'):
 684             case VLC_FOURCC('Y','V','U','9'):
 685         // packed UYV
 686             case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
 687             case VLC_FOURCC('U','Y','N','V'):    // packed by 2
 688             case VLC_FOURCC('Y','4','2','2'):    // packed by 2
 689     //        case VLC_FOURCC('c','y','u','v'):    // packed by 2
 690                 p_vout->p_sys->f_gamma[2] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 691                 p_vout->p_sys->f_gamma[1] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 692                 f_BlackCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-green" ) / 255.0;
 693                 f_BlackCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-blue" ) / 255.0;
 694                 f_WhiteCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-green" ) / 255.0;
 695                 f_WhiteCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-blue" ) / 255.0;
 696                 f_BlackLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-green" ) / 255.0;
 697                 f_BlackLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-blue" ) / 255.0;
 698                 f_WhiteLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-green" ) / 255.0;
 699                 f_WhiteLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-blue" ) / 255.0;
 700         // planar YUV
 701             case VLC_FOURCC('I','4','4','4'):
 702             case VLC_FOURCC('I','4','2','2'):
 703             case VLC_FOURCC('I','4','2','0'):
 704             case VLC_FOURCC('I','4','1','1'):
 705             case VLC_FOURCC('I','4','1','0'):
 706             case VLC_FOURCC('I','Y','U','V'):
 707             case VLC_FOURCC('Y','U','V','A'):
 708         // packed YUV
 709             case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
 710             case VLC_FOURCC('Y','U','N','V'):    // packed by 2
 711                 for (i_index = 0; i_index < 256; i_index++)
 712                     for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
 713                         for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
 714                         {
 715                             float f_lut = CLIP_01(1.0 -
 716                                      ((ACCURACY - (float)i_index2)
 717                                      * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
 718                                      / (ACCURACY - 1)));
 719                             p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index + (int)((1.0 - f_lut) * (float)constantYUV[i_plane]);
 720                         }
 721                 break;
 722         // packed RGB
 723             case VLC_FOURCC('R','G','B','2'):    // packed by 1
 724             case VLC_FOURCC('R','V','1','5'):    // packed by 2
 725             case VLC_FOURCC('R','V','1','6'):    // packed by 2
 726             case VLC_FOURCC('R','V','2','4'):    // packed by 3
 727             case VLC_FOURCC('R','V','3','2'):    // packed by 4
 728             for (i_index = 0; i_index < 256; i_index++)
 729                     for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
 730                         for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
 731                         {
 732                             float f_lut = CLIP_01(1.0 -
 733                                      ((ACCURACY - (float)i_index2)
 734                                      * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
 735                                      / (ACCURACY - 1)));
 736                             p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index;
 737                         }
 738                 break;
 739             default:
 740                 msg_Err( p_vout, "colorspace not supported by plug-in !!!");
 741                 free( p_vout->p_sys );
 742                 return VLC_ENOMEM;
 743         }
 744     }
 745 #endif
 746     if (p_vout->p_sys->i_offset_x)
 747         p_vout->p_sys->i_offset_x = AdjustHeight(p_vout);
 748     else
 749         AdjustHeight(p_vout);
 750 #endif
 751
 752     /* Try to open the real video output */
 753     msg_Dbg( p_vout, "spawning the real video outputs" );
 754
 755     p_vout->p_sys->i_vout = 0;
 756
 757     /* FIXME: use bresenham instead of those ugly divisions */
 758     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 759     {
 760         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
 761         {
 762             video_format_t fmt;
 763
 764             memset( &fmt, 0, sizeof(video_format_t) );
 765
 766             if( i_col + 1 < p_vout->p_sys->i_col )
 767             {
 768                 i_width = ( p_vout->render.i_width
 769                              / p_vout->p_sys->i_col ) & ~0x1;
 770             }
 771             else
 772             {
 773                 i_width = p_vout->render.i_width
 774                            - ( ( p_vout->render.i_width
 775                                   / p_vout->p_sys->i_col ) & ~0x1 ) * i_col;
 776
 777             }
 778 #ifdef OVERLAP
 779             i_width += p_vout->p_sys->i_halfLength;
 780             if (p_vout->p_sys->i_col > 2 ) i_width += p_vout->p_sys->i_halfLength;
 781             i_width -= i_width % 2;
 782 #endif
 783             if( i_row + 1 < p_vout->p_sys->i_row )
 784             {
 785                 i_height = ( p_vout->render.i_height
 786                               / p_vout->p_sys->i_row ) & ~0x3;
 787             }
 788             else
 789             {
 790                 i_height = p_vout->render.i_height
 791                             - ( ( p_vout->render.i_height
 792                                    / p_vout->p_sys->i_row ) & ~0x3 ) * i_row;
 793             }
 794
 795 #ifdef OVERLAP
 796             if (p_vout->p_sys->i_row >= 2)
 797             {
 798                 p_vout->p_sys->i_halfHeight = (p_vout->p_sys->i_halfLength * p_vout->p_sys->bz_height) / 100;
 799                 p_vout->p_sys->i_halfHeight -= (p_vout->p_sys->i_halfHeight % 2);
 800                 i_height += p_vout->p_sys->i_halfHeight;
 801                 if (p_vout->p_sys->i_row > 2) i_height += p_vout->p_sys->i_halfHeight;
 802             }
 803             i_height -= i_height % 2;
 804 #endif
 805             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_width = i_width;
 806             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_height = i_height;
 807
 808             if( !p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active )
 809             {
 810                 p_vout->p_sys->i_vout++;
 811                 continue;
 812             }
 813
 814             fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
 815             fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
 816             fmt.i_x_offset = fmt.i_y_offset = 0;
 817             fmt.i_chroma = p_vout->render.i_chroma;
 818             fmt.i_aspect = p_vout->render.i_aspect;
 819             fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
 820             fmt.i_sar_den = VOUT_ASPECT_FACTOR;
 821             fmt.i_width = fmt.i_visible_width = i_width;
 822             fmt.i_height = fmt.i_visible_height = i_height;
 823             fmt.i_aspect = p_vout->render.i_aspect
 824                               * p_vout->render.i_height / i_height
 825                               * i_width / p_vout->render.i_width;
 826 #ifdef OVERLAP
 827             if (p_vout->p_sys->i_offset_x < 0)
 828             {
 829                 var_SetInteger(p_vout, "video-x", -p_vout->p_sys->i_offset_x);
 830                 p_vout->p_sys->i_offset_x = 0;
 831             }
 832 #endif
 833             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout =
 834                 vout_Create( p_vout, &fmt);
 835
 836             if( p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout == NULL )
 837             {
 838                 msg_Err( p_vout, "failed to get %ix%i vout threads",
 839                                  p_vout->p_sys->i_col, p_vout->p_sys->i_row );
 840                 RemoveAllVout( p_vout );
 841                 return VLC_EGENERIC;
 842             }
 843             ADD_CALLBACKS(
 844                 p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout,
 845                 SendEvents );
 846 #ifdef OVERLAP
 847             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment = 0;
 848             if (i_col == 0) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_RIGHT;
 849             else if (i_col == p_vout->p_sys->i_col -1) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_LEFT;
 850             if (p_vout->p_sys->i_row > 1)
 851             {
 852                 if (i_row == 0) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_BOTTOM;
 853                 else if (i_row == p_vout->p_sys->i_row -1) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_TOP;
 854             }
 855     // i_n : number of active pp_vout
 856             int i_index, i_n = p_vout->p_sys->i_vout;
 857                 for (i_index = p_vout->p_sys->i_vout; i_index >= 0; i_index--) if (!p_vout->p_sys->pp_vout[i_index].b_active) i_n -= 1;
 858             var_SetInteger( p_vout, "align", p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment );
 859             var_SetInteger( p_vout, "video-x",i_video_x + p_vout->p_sys->i_offset_x + ((i_n + 1) % p_vout->p_sys->i_col) * p_vout->i_window_width);
 860             var_SetInteger( p_vout, "video-y",i_video_y + ((i_n + 1) / p_vout->p_sys->i_col) * p_vout->i_window_height);
 861 #endif
 862             p_vout->p_sys->i_vout++;
 863         }
 864     }
 865
 866     ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
 867
 868     ADD_PARENT_CALLBACKS( SendEventsToChild );
 869
 870     return VLC_SUCCESS;
 871 }
 872
 873 /*****************************************************************************
 874  * End: terminate Wall video thread output method
 875  *****************************************************************************/
 876 static void End( vout_thread_t *p_vout )
 877 {
 878     int i_index;
 879
 880 #ifdef OVERLAP
 881     var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
 882 #endif
 883     /* Free the fake output buffers we allocated */
 884     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 885     {
 886         i_index--;
 887         free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
 888     }
 889 }
 890
 891 /*****************************************************************************
 892  * Destroy: destroy Wall video thread output method
 893  *****************************************************************************
 894  * Terminate an output method created by WallCreateOutputMethod
 895  *****************************************************************************/
 896 static void Destroy( vlc_object_t *p_this )
 897 {
 898     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 899
 900 #ifdef GLOBAL_OUTPUT
 901     DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents);
 902     vlc_object_detach( p_vout->p_sys->p_vout );
 903     vout_Destroy( p_vout->p_sys->p_vout );
 904     DEL_PARENT_CALLBACKS( SendEventsToChild);
 905 #endif
 906
 907     RemoveAllVout( p_vout );
 908     DEL_PARENT_CALLBACKS( SendEventsToChild );
 909
 910     free( p_vout->p_sys->pp_vout );
 911     free( p_vout->p_sys );
 912
 913 }
 914
 915 /*****************************************************************************
 916  * RenderPlanarYUV: displays previously rendered output
 917  *****************************************************************************
 918  * This function send the currently rendered image to Wall image, waits
 919  * until it is displayed and switch the two rendering buffers, preparing next
 920  * frame.
 921  *****************************************************************************/
 922 static void RenderPlanarYUV( vout_thread_t *p_vout, picture_t *p_pic )
 923 {
 924     picture_t *p_outpic = NULL;
 925     int i_col, i_row, i_vout, i_plane;
 926     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
 927 #ifdef OVERLAP
 928     int LeftOffset, TopOffset;
 929     int constantYUV[3] = {0,128,128};
 930     int Denom;
 931     int a_2;
 932     int a_1;
 933     int a_0;
 934     int i_index, i_index2;
 935 #endif
 936
 937
 938     i_vout = 0;
 939
 940     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 941     {
 942         pi_top_skip[i_plane] = 0;
 943     }
 944
 945     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 946     {
 947         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 948         {
 949             pi_left_skip[i_plane] = 0;
 950         }
 951
 952         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
 953         {
 954             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
 955             {
 956                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 957                 {
 958                     pi_left_skip[i_plane] +=
 959                         p_vout->p_sys->pp_vout[ i_vout ].i_width
 960                          * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
 961                 }
 962                 i_vout++;
 963                 continue;
 964             }
 965
 966             while( ( p_outpic =
 967                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 968                                     0, 0, 0 )
 969                    ) == NULL )
 970             {
 971                 if( p_vout->b_die || p_vout->b_error )
 972                 {
 973                     vout_DestroyPicture(
 974                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
 975                     return;
 976                 }
 977
 978                 msleep( VOUT_OUTMEM_SLEEP );
 979             }
 980
 981             vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 982                               p_outpic, p_pic->date );
 983             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 984                               p_outpic );
 985
 986             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 987             {
 988                 uint8_t *p_in, *p_in_end, *p_out;
 989                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
 990                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
 991                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
 992                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
 993 #ifdef OVERLAP
 994                 if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
 995                 if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
 996                 if ((p_vout->p_sys->i_row > 2) && (i_row == 1) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
 997                 if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
 998                     pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
 999 // i_n : previous inactive pp_vout
1000                 int i_n=0;
1001                 while ((!p_vout->p_sys->pp_vout[i_row * p_vout->p_sys->i_col + i_col - 1 - i_n].b_active) && (i_col - i_n > 1)) i_n++;
1002                 if ((i_col > 1) && i_n)
1003                     pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1004
1005                 p_in = p_pic->p[i_plane].p_pixels
1006                 /* Wall proprities */
1007                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1008
1009                 if ((p_vout->p_sys->i_row > 2) &&
1010                     ((!i_row) || (i_row + 1 == p_vout->p_sys->i_row)))
1011                         i_lines -= (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1012
1013 // 1088 lines bug in a mpeg2 stream of 1080 lines
1014                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1015                     (p_pic->p[i_plane].i_lines == 1088))
1016                         i_lines -= 8 / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1017
1018                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1019 #else
1020                 p_in = p_pic->p[i_plane].p_pixels
1021                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1022
1023                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1024 #endif
1025                 p_out = p_outpic->p[i_plane].p_pixels;
1026 #ifdef OVERLAP
1027         if ((p_vout->p_sys->i_row > 2) && (!i_row))
1028             p_out += (p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch));
1029
1030         int length;
1031         int i_col_mod;
1032         length = 2 * p_vout->p_sys->i_halfLength / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1033
1034         if (p_vout->p_sys->b_has_changed)
1035         {
1036             Denom = F2(length);
1037             a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1038             a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1039             a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1040             for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1041              for (i_index = 0; i_index < length; i_index++)
1042              {
1043                 p_vout->p_sys->lambda[i_col_mod][i_plane][i_index] = CLIP_0A(!i_col_mod ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,length - i_index) + a_0) / Denom);
1044                 p_vout->p_sys->cstYUV[i_col_mod][i_plane][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col_mod][i_plane][i_index]) * constantYUV[i_plane]) / ACCURACY;
1045              }
1046         }
1047 #endif
1048             while( p_in < p_in_end )
1049             {
1050 #ifndef OVERLAP
1051                 vlc_memcpy( p_out, p_in, i_copy_pitch);
1052 #else
1053                 if (p_vout->p_sys->i_col > 2)
1054                 {
1055                     length /= 2;
1056                     if (i_col == 0)
1057                         vlc_memcpy( p_out + length , p_in, i_copy_pitch - length);
1058                     else if (i_col + 1 == p_vout->p_sys->i_col)
1059                         vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
1060                     else
1061                         vlc_memcpy( p_out, p_in - length, i_copy_pitch);
1062
1063                     if ((i_col == 0))
1064                     // black bar
1065                     {
1066                         LeftOffset = 0;
1067                         p_out += LeftOffset;
1068                         memset(p_out, constantYUV[i_plane], length);
1069                         p_out -= LeftOffset;
1070                     }
1071                     else if ((i_col + 1 == p_vout->p_sys->i_col ))
1072                     // black bar
1073                         {
1074                             LeftOffset = i_copy_pitch - length;
1075                             p_out += LeftOffset;
1076                             memset(p_out, constantYUV[i_plane], length);
1077                             p_out -= LeftOffset;
1078                         }
1079                     length *= 2;
1080                 }
1081                 else
1082                     vlc_memcpy( p_out , p_in, i_copy_pitch);
1083
1084               if (p_vout->p_sys->b_attenuate)
1085             {
1086 // vertical blend
1087 // first blended zone
1088                 if (i_col)
1089                 {
1090                     LeftOffset = 0;
1091                     p_out += LeftOffset;
1092                     for (i_index = 0; i_index < length; i_index++)
1093                     {
1094 #ifndef GAMMA
1095                         *(p_out + i_index) = (p_vout->p_sys->lambda[1][i_plane][i_index] *
1096                                  (*(p_out + i_index))) / ACCURACY +
1097                                      p_vout->p_sys->cstYUV[1][i_plane][i_index];
1098 #else
1099                             *(p_out + i_index) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda[1][i_plane][i_index]][*(p_out + i_index)];
1100 #endif
1101                     }
1102                     p_out -= LeftOffset;
1103                 }
1104 // second blended zone
1105                 if (i_col + 1 < p_vout->p_sys->i_col)
1106                 {
1107                     LeftOffset = i_copy_pitch - length;
1108                     p_out +=  LeftOffset;
1109                     for (i_index = 0; i_index < length; i_index++)
1110                     {
1111 #ifndef GAMMA
1112                             *(p_out + i_index) = (p_vout->p_sys->lambda[0][i_plane][i_index] *
1113                                      (*(p_out + i_index))) / ACCURACY +
1114                                      p_vout->p_sys->cstYUV[0][i_plane][i_index];
1115 #else
1116
1117                         *(p_out + i_index) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda[0][i_plane][i_index]][*(p_out + i_index)];
1118 #endif
1119                     }
1120                     p_out -= LeftOffset;
1121                 }
1122 // end blended zone
1123             }
1124 #endif
1125                 p_in += i_in_pitch;
1126                 p_out += i_out_pitch;
1127             }
1128 #ifdef OVERLAP
1129 // horizontal blend
1130         if (!p_vout->p_sys->b_attenuate)
1131         {
1132             if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
1133             // black bar
1134             {
1135                     int height = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1136                     TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1137                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1138                     for (i_index = 0; i_index < height; i_index++)
1139                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1140                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1141                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1142             }
1143             else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
1144             // black bar
1145                 {
1146                         int height = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1147                         TopOffset = height - (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1148                         p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1149                         for (i_index = 0; i_index < height; i_index++)
1150                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1151                                 *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1152                         p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1153                 }
1154         }
1155         else
1156         {
1157             if (p_vout->p_sys->i_row >= 2)
1158             {
1159                 length = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1160                 if (p_vout->p_sys->b_has_changed)
1161                 {
1162                     Denom = F2(length);
1163                     a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1164                     a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1165                     a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1166                    for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1167                     for (i_index = 0; i_index < length; i_index++)
1168                     {
1169                         p_vout->p_sys->lambda2[i_col_mod][i_plane][i_index] = CLIP_0A(!i_col_mod ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,length - i_index) + a_0) / Denom);
1170                         p_vout->p_sys->cstYUV2[i_col_mod][i_plane][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_col_mod][i_plane][i_index]) * constantYUV[i_plane]) / ACCURACY;
1171                     }
1172                 }
1173 // first blended zone
1174
1175             if (i_row)
1176             {
1177                 TopOffset = i_lines;
1178                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1179                 for (i_index = 0; i_index < length; i_index++)
1180                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1181 #ifndef GAMMA
1182                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[1][i_plane][i_index] *
1183                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1184                                      p_vout->p_sys->cstYUV2[1][i_plane][i_index];
1185 #else
1186
1187                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda2[1][i_plane][i_index]][*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2)];
1188 #endif
1189                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1190             }
1191             else if (p_vout->p_sys->i_row > 2)
1192             // black bar
1193             {
1194                 TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1195                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1196                 for (i_index = 0; i_index < length; i_index++)
1197                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1198                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1199                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1200             }
1201
1202 // second blended zone
1203
1204             if (i_row + 1 < p_vout->p_sys->i_row)
1205             {
1206                 TopOffset = length;
1207                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1208                 for (i_index = 0; i_index < length; i_index++)
1209                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1210 #ifndef GAMMA
1211                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[0][i_plane][i_index] *
1212                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1213                                      p_vout->p_sys->cstYUV2[0][i_plane][i_index];
1214 #else
1215
1216                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda2[0][i_plane][i_index]][*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2)];
1217
1218 #endif
1219                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1220             }
1221             else if (p_vout->p_sys->i_row > 2)
1222             // black bar
1223             {
1224                 TopOffset = length - (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1225                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1226                 for (i_index = 0; i_index < length; i_index++)
1227                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1228                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1229                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1230             }
1231 // end blended zone
1232             }
1233         }
1234 #endif
1235 // bug for wall filter : fix by CC
1236 //            pi_left_skip[i_plane] += i_out_pitch;
1237             pi_left_skip[i_plane] += i_copy_pitch;
1238             }
1239
1240             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1241                                 p_outpic );
1242             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1243                                  p_outpic );
1244             i_vout++;
1245         }
1246
1247         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1248                 {
1249                     pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
1250                                              * p_pic->p[i_plane].i_lines
1251                                              / p_vout->output.i_height
1252                                              * p_pic->p[i_plane].i_pitch;
1253                 }
1254
1255     }
1256 #ifdef OVERLAP
1257     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1258 #endif
1259 }
1260
1261
1262 /*****************************************************************************
1263  * RenderPackedRGB: displays previously rendered output
1264  *****************************************************************************
1265  * This function send the currently rendered image to Wall image, waits
1266  * until it is displayed and switch the two rendering buffers, preparing next
1267  * frame.
1268  *****************************************************************************/
1269 static void RenderPackedRGB( vout_thread_t *p_vout, picture_t *p_pic )
1270 {
1271     picture_t *p_outpic = NULL;
1272     int i_col, i_row, i_vout, i_plane;
1273     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
1274 #ifdef OVERLAP
1275     int LeftOffset, TopOffset;
1276     int Denom;
1277     int a_2;
1278     int a_1;
1279     int a_0;
1280     int i_index, i_index2;
1281 #endif
1282
1283     i_vout = 0;
1284
1285     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1286     {
1287         pi_top_skip[i_plane] = 0;
1288     }
1289
1290     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1291     {
1292         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1293         {
1294             pi_left_skip[i_plane] = 0;
1295         }
1296
1297         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
1298         {
1299             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
1300             {
1301                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1302                 {
1303                     pi_left_skip[i_plane] +=
1304                         p_vout->p_sys->pp_vout[ i_vout ].i_width * p_pic->p->i_pixel_pitch;
1305                 }
1306                 i_vout++;
1307                 continue;
1308             }
1309
1310             while( ( p_outpic =
1311                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1312                                     0, 0, 0 )
1313                    ) == NULL )
1314             {
1315                 if( p_vout->b_die || p_vout->b_error )
1316                 {
1317                     vout_DestroyPicture(
1318                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
1319                     return;
1320                 }
1321
1322                 msleep( VOUT_OUTMEM_SLEEP );
1323             }
1324
1325             vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1326                               p_outpic, p_pic->date );
1327             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1328                               p_outpic );
1329
1330             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1331             {
1332                 uint8_t *p_in, *p_in_end, *p_out;
1333                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
1334                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
1335                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
1336
1337 #ifdef OVERLAP
1338                 if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength) * p_pic->p->i_pixel_pitch;
1339                 if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch);
1340                 if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
1341                     pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch);
1342 // i_n : previous inactive pp_vout
1343                 int i_n=0;
1344                 while ((!p_vout->p_sys->pp_vout[i_row * p_vout->p_sys->i_col + i_col - 1 - i_n].b_active) && (i_col - i_n > 1)) i_n++;
1345                 if ((i_col > 1) && i_n)
1346                     pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) * p_pic->p->i_pixel_pitch;
1347
1348                 p_in = p_pic->p[i_plane].p_pixels
1349                 /* Wall proprities */
1350                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1351
1352                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
1353 // 1088 lines bug in a mpeg2 stream of 1080 lines
1354                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1355                     (p_pic->p[i_plane].i_lines == 1088))
1356                         i_lines -= 8;
1357
1358                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1359 #else
1360                 p_in = p_pic->p[i_plane].p_pixels
1361                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1362
1363                 p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
1364                                         * p_pic->p[i_plane].i_pitch;
1365 #endif //OVERLAP
1366
1367                 p_out = p_outpic->p[i_plane].p_pixels;
1368
1369
1370 #ifdef OVERLAP
1371         if ((p_vout->p_sys->i_row > 2) && (!i_row))
1372             p_out += (p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) * p_pic->p->i_pixel_pitch);
1373
1374         int length;
1375         length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
1376
1377         if (p_vout->p_sys->b_has_changed)
1378         {
1379             int i_plane_;
1380             int i_col_mod;
1381             Denom = F2(length / p_pic->p->i_pixel_pitch);
1382             a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1383             a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1384             a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1385             for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1386                 for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1387                     for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1388                         p_vout->p_sys->lambda[i_col_mod][i_plane_][i_index] = CLIP_0A(!i_col_mod ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1389         }
1390 #endif
1391             while( p_in < p_in_end )
1392             {
1393 #ifndef OVERLAP
1394                 vlc_memcpy( p_out, p_in, i_copy_pitch );
1395 #else
1396                 if (p_vout->p_sys->i_col > 2)
1397                 {
1398                     // vertical blend
1399                     length /= 2;
1400                     if (i_col == 0)
1401                         vlc_memcpy( p_out + length, p_in, i_copy_pitch - length);
1402                     else if (i_col + 1 == p_vout->p_sys->i_col)
1403                         vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
1404                     else
1405                         vlc_memcpy( p_out, p_in - length, i_copy_pitch);
1406
1407                     if ((i_col == 0))
1408                     // black bar
1409                     {
1410                         LeftOffset = 0;
1411                         p_out += LeftOffset;
1412                         p_in += LeftOffset;
1413                         for (i_index = 0; i_index < length; i_index++)
1414                                 *(p_out + i_index) = 0;
1415                         p_out -= LeftOffset;
1416                         p_in -= LeftOffset;
1417                     }
1418                     else if ((i_col + 1 == p_vout->p_sys->i_col ))
1419                     // black bar
1420                         {
1421                             LeftOffset = i_copy_pitch - length;
1422                             p_out += LeftOffset;
1423                             p_in += LeftOffset;
1424                             for (i_index = 0; i_index < length; i_index++)
1425                                     *(p_out + i_index) = 0;
1426                             p_out -= LeftOffset;
1427                             p_in -= LeftOffset;
1428                         }
1429                     length *= 2;
1430                 }
1431                 else
1432                     vlc_memcpy( p_out, p_in, i_copy_pitch);
1433
1434 // vertical blend
1435 // first blended zone
1436             if (i_col)
1437             {
1438                 LeftOffset = 0;
1439                 p_out += LeftOffset;
1440                 for (i_index = 0; i_index < length; i_index++)
1441 #ifndef GAMMA
1442                     *(p_out + i_index) = (p_vout->p_sys->lambda[1][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch] *
1443                                  (*(p_out + i_index))) / ACCURACY;
1444 #else
1445                     *(p_out + i_index) = p_vout->p_sys->LUT[i_index % p_pic->p->i_pixel_pitch][p_vout->p_sys->lambda[1][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch]][*(p_out + i_index)];
1446 #endif
1447                 p_out -= LeftOffset;
1448             }
1449 // second blended zone
1450             if (i_col + 1 < p_vout->p_sys->i_col)
1451             {
1452                 LeftOffset = i_copy_pitch - length;
1453                 p_out +=  LeftOffset;
1454                 for (i_index = 0; i_index < length; i_index++)
1455 #ifndef GAMMA
1456                     *(p_out + i_index) = (p_vout->p_sys->lambda[0][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch] *
1457                                  (*(p_out + i_index))) / ACCURACY;
1458 #else
1459                     *(p_out + i_index) = p_vout->p_sys->LUT[i_index % p_pic->p->i_pixel_pitch][p_vout->p_sys->lambda[0][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch]][*(p_out + i_index)];
1460 #endif
1461                 p_out -= LeftOffset;
1462             }
1463 // end blended zone
1464 #endif //OVERLAP
1465                 p_in += i_in_pitch;
1466                 p_out += i_out_pitch;
1467             }
1468 #ifdef OVERLAP
1469 // horizontal blend
1470         if (!p_vout->p_sys->b_attenuate)
1471         {
1472             if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
1473             // black bar
1474             {
1475                     TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
1476                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1477                     for (i_index = 0; i_index < length; i_index++)
1478                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1479                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1480                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1481             }
1482             else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
1483             // black bar
1484                 {
1485                     TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
1486                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1487                     for (i_index = 0; i_index < length; i_index++)
1488                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1489                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1490                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1491                 }
1492         }
1493         else
1494         {
1495             if (p_vout->p_sys->i_row >= 2)
1496             {
1497                 length = 2 * p_vout->p_sys->i_halfHeight;
1498                 if (p_vout->p_sys->b_has_changed)
1499                 {
1500                     int i_plane_;
1501                     int i_row_mod;
1502                     Denom = F2(length);
1503                     a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1504                     a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1505                     a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1506                     for(i_row_mod = 0; i_row_mod < 2; i_row_mod++)
1507                       for (i_index = 0; i_index < length; i_index++)
1508                         for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1509                             p_vout->p_sys->lambda2[i_row_mod][i_plane_][i_index] = CLIP_0A(!i_row_mod ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length) - i_index) + a_0) / Denom);
1510                 }
1511 // first blended zone
1512
1513             if (i_row)
1514             {
1515                 TopOffset = i_lines;
1516                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1517                 for (i_index = 0; i_index < length; i_index++)
1518                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1519 #ifndef GAMMA
1520                     *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[1][i_index2 % p_pic->p->i_pixel_pitch][i_index] *
1521                                  (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
1522 #else
1523                     *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_index2 % p_pic->p->i_pixel_pitch][p_vout->p_sys->lambda2[1][i_index2 % p_pic->p->i_pixel_pitch][i_index]][*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2)];
1524 #endif
1525                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1526             }
1527             else if (p_vout->p_sys->i_row > 2)
1528             // black bar
1529             {
1530                 TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
1531                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1532                 for (i_index = 0; i_index < length; i_index++)
1533                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1534                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1535                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1536             }
1537
1538 // second blended zone
1539
1540             if (i_row + 1 < p_vout->p_sys->i_row)
1541             {
1542                 TopOffset = length;
1543                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1544                 for (i_index = 0; i_index < length; i_index++)
1545                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1546 #ifndef GAMMA
1547                     *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[0][i_index2 % p_pic->p->i_pixel_pitch][i_index] *
1548                                  (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
1549 #else
1550                     *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_index2 % p_pic->p->i_pixel_pitch][p_vout->p_sys->lambda2[0][i_index2 % p_pic->p->i_pixel_pitch][i_index]][*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2)];
1551
1552 #endif
1553                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1554             }
1555             else if (p_vout->p_sys->i_row > 2)
1556             // black bar
1557             {
1558                 TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
1559                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1560                 for (i_index = 0; i_index < length; i_index++)
1561                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1562                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1563                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1564             }
1565 // end blended zone
1566             }
1567         }
1568 #endif
1569 // bug for wall filter : fix by CC
1570 //            pi_left_skip[i_plane] += i_out_pitch;
1571             pi_left_skip[i_plane] += i_copy_pitch;
1572             }
1573
1574             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1575                                 p_outpic );
1576             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1577                                  p_outpic );
1578             i_vout++;
1579         }
1580
1581         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1582         {
1583             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
1584                                      * p_pic->p[i_plane].i_lines
1585                                      / p_vout->output.i_height
1586                                      * p_pic->p[i_plane].i_pitch;
1587         }
1588     }
1589 #ifdef OVERLAP
1590     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1591 #endif
1592 }
1593
1594
1595 #ifdef PACKED_YUV
1596 // WARNING : NO DEBUGGED
1597 /*****************************************************************************
1598  * RenderPackedYUV: displays previously rendered output
1599  *****************************************************************************
1600  * This function send the currently rendered image to Wall image, waits
1601  * until it is displayed and switch the two rendering buffers, preparing next
1602  * frame.
1603  *****************************************************************************/
1604 static void RenderPackedYUV( vout_thread_t *p_vout, picture_t *p_pic )
1605 {
1606     picture_t *p_outpic = NULL;
1607     int i_col, i_row, i_vout, i_plane;
1608     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
1609 #ifdef OVERLAP
1610     int LeftOffset, TopOffset;
1611     int constantYUV[3] = {0,128,128};
1612     int Denom;
1613     int a_2;
1614     int a_1;
1615     int a_0;
1616     int i_index, i_index2;
1617 #endif
1618
1619
1620     i_vout = 0;
1621
1622     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1623     {
1624         pi_top_skip[i_plane] = 0;
1625     }
1626
1627     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1628     {
1629         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1630         {
1631             pi_left_skip[i_plane] = 0;
1632         }
1633
1634         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
1635         {
1636             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
1637             {
1638                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1639                 {
1640                     pi_left_skip[i_plane] +=
1641                         p_vout->p_sys->pp_vout[ i_vout ].i_width
1642                          * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
1643                 }
1644                 i_vout++;
1645                 continue;
1646             }
1647
1648             while( ( p_outpic =
1649                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1650                                     0, 0, 0 )
1651                    ) == NULL )
1652             {
1653                 if( p_vout->b_die || p_vout->b_error )
1654                 {
1655                     vout_DestroyPicture(
1656                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
1657                     return;
1658                 }
1659
1660                 msleep( VOUT_OUTMEM_SLEEP );
1661             }
1662
1663             vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1664                               p_outpic, p_pic->date );
1665             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1666                               p_outpic );
1667
1668             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1669             {
1670                 uint8_t *p_in, *p_in_end, *p_out;
1671                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
1672                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
1673                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
1674
1675 #ifdef OVERLAP
1676                 if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1677                 if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1678                 if ((p_vout->p_sys->i_row > 2) && (i_row == 1) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1679                 if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
1680                     pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1681 // i_n : previous inactive pp_vout
1682                 int i_n=0;
1683                 while ((!p_vout->p_sys->pp_vout[i_row * p_vout->p_sys->i_col + i_col - 1 - i_n].b_active) && (i_col - i_n > 1)) i_n++;
1684                 if ((i_col > 1) && i_n)
1685                     pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1686
1687                 p_in = p_pic->p[i_plane].p_pixels
1688                 /* Wall proprities */
1689                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1690
1691                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
1692 // 1088 lines bug in a mpeg2 stream of 1080 lines
1693                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1694                     (p_pic->p[i_plane].i_lines == 1088))
1695                         i_lines -= 8;
1696
1697                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1698 #else
1699                 p_in = p_pic->p[i_plane].p_pixels
1700                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1701
1702                 p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
1703                                         * p_pic->p[i_plane].i_pitch;
1704 #endif
1705                 p_out = p_outpic->p[i_plane].p_pixels;
1706 #ifdef OVERLAP
1707         int length;
1708         length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
1709         LeftOffset = (i_col ? 0 : i_copy_pitch - length);
1710         if (p_vout->p_sys->b_has_changed)
1711         {
1712 #ifdef GAMMA
1713             int i_plane_;
1714             for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1715                 for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1716                     for (i_index2 = 0; i_index2 < 256; i_index2++)
1717                             p_vout->p_sys->LUT[i_plane_][i_index2][i_index] = F(i_index2, (length / p_pic->p->i_pixel_pitch, i_index, p_vout->p_sys->f_gamma[i_plane_]));
1718 #endif
1719             switch (p_vout->output.i_chroma)
1720                 {
1721                     case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
1722                     case VLC_FOURCC('Y','U','N','V'):    // packed by 2
1723                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1724                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1725                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1726                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1727                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1728                         // for each macropixel
1729                         {
1730                                 // first image pixel
1731                                 p_vout->p_sys->lambda[i_col][0][i_index] = CLIP_0A(!i_col ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1732                                 p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[0]) / ACCURACY;
1733                                 p_vout->p_sys->lambda[i_col][1][i_index] = CLIP_0A(!i_col ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1734                                 p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[1]) / ACCURACY;
1735                                 // second image pixel
1736                                 p_vout->p_sys->lambda[i_col][0][i_index + 1] = CLIP_0A(!i_col ? ACCURACY - (F4(a_2, a_1, i_index + 1) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - (i_index + 1)) + a_0) / Denom);
1737                                 p_vout->p_sys->cstYUV[i_col][0][i_index + 1] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[0]) / ACCURACY;
1738                                 p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
1739                                 p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
1740                         }
1741                         break;
1742                     case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
1743                     case VLC_FOURCC('U','Y','N','V'):    // packed by 2
1744                     case VLC_FOURCC('Y','4','2','2'):    // packed by 2
1745                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1746                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1747                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1748                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1749                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1750                         // for each macropixel
1751                         {
1752                                 // first image pixel
1753                                 p_vout->p_sys->lambda[i_col][0][i_index] = CLIP_0A(!i_col ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1754                                 p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1755                                 p_vout->p_sys->lambda[i_col][1][i_index] = CLIP_0A(!i_col ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1756                                 p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[0]) / ACCURACY;
1757                                 // second image pixel
1758                                 p_vout->p_sys->lambda[i_col][0][i_index + 1] = CLIP_0A(!i_col ? ACCURACY - (F4(a_2, a_1, i_index + 1) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - (i_index + 1)) + a_0) / Denom);
1759                                 p_vout->p_sys->cstYUV[i_col][0][i_index + 1] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1760                                 p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
1761                                 p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
1762                         }
1763                         break;
1764                     default :
1765                         break;
1766                 }
1767         }
1768 #endif
1769             while( p_in < p_in_end )
1770             {
1771 #ifndef OVERLAP
1772                 vlc_memcpy( p_out, p_in, i_copy_pitch);
1773 #else
1774                 vlc_memcpy( p_out + i_col * length, p_in + i_col * length, i_copy_pitch - length);
1775                 p_out += LeftOffset;
1776                 p_in += LeftOffset;
1777 #ifndef GAMMA
1778                 for (i_index = 0; i_index < length; i_index++)
1779                     *(p_out + i_index) = (p_vout->p_sys->lambda[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch] *
1780                              (*(p_in + i_index))) / ACCURACY +
1781                              p_vout->p_sys->cstYUV[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch];
1782 #else
1783                 for (i_index = 0; i_index < length; i_index++)
1784                     *(p_out + i_index) = p_vout->p_sys->LUT[i_index % p_pic->p->i_pixel_pitch][(p_vout->p_sys->lambda[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch] *
1785                              (*(p_in + i_index))) / ACCURACY +
1786                              p_vout->p_sys->cstYUV[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch]][i_index / p_pic->p->i_pixel_pitch];
1787 #endif
1788                 p_out -= LeftOffset;
1789                 p_in -= LeftOffset;
1790 #endif
1791                 p_in += i_in_pitch;
1792                 p_out += i_out_pitch;
1793             }
1794 #ifdef OVERLAP
1795             if (p_vout->p_sys->i_row == 2)
1796             {
1797                         length = 2 * p_vout->p_sys->i_halfHeight * p_pic->p->i_pixel_pitch;
1798                         TopOffset = (i_row ? i_lines : length / p_pic->p->i_pixel_pitch);
1799                         if (p_vout->p_sys->b_has_changed)
1800                         {
1801 #ifdef GAMMA
1802                                 int i_plane_;
1803                                 for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1804                                     for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1805                                         for (i_index2 = 0; i_index2 < 256; i_index2++)
1806                                                 p_vout->p_sys->LUT2[i_plane_][i_index2][i_index] = F(i_index2, (length / p_pic->p->i_pixel_pitch, i_index, p_vout->p_sys->f_gamma[i_plane_]));
1807 #endif
1808                                 switch (p_vout->output.i_chroma)
1809                                 {
1810                                     case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
1811                                     case VLC_FOURCC('Y','U','N','V'):    // packed by 2
1812                                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1813                                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1814                                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
1815                                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1816                                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1817                                         // for each macropixel
1818                                         {
1819                                                 // first image pixel
1820                                                 p_vout->p_sys->lambda2[i_row][0][i_index] = CLIP_0A(!i_row ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1821                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][0][i_index]) * constantYUV[0]) / ACCURACY;
1822                                                 p_vout->p_sys->lambda2[i_row][1][i_index] = CLIP_0A(!i_row ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1823                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][1][i_index]) * constantYUV[1]) / ACCURACY;
1824                                                 // second image pixel
1825                                                 p_vout->p_sys->lambda2[i_row][0][i_index + 1] = CLIP_0A(!i_row ? ACCURACY - (F4(a_2, a_1, i_index + 1) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - (i_index + 1)) + a_0) / Denom);
1826                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index + 1] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][0][i_index]) * constantYUV[0]) / ACCURACY;
1827                                                 p_vout->p_sys->lambda2[i_row][1][i_index + 1] = p_vout->p_sys->lambda2[i_row][1][i_index];
1828                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index + 1] = p_vout->p_sys->cstYUV2[i_row][1][i_index];
1829                                         }
1830                                         break;
1831                                     case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
1832                                     case VLC_FOURCC('U','Y','N','V'):    // packed by 2
1833                                     case VLC_FOURCC('Y','4','2','2'):    // packed by 2
1834                                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1835                                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1836                                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
1837                                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1838                                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1839                                         // for each macropixel
1840                                         {
1841                                                 // first image pixel
1842                                                 p_vout->p_sys->lambda2[i_row][0][i_index] = CLIP_0A(!i_row ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1843                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1844                                                 p_vout->p_sys->lambda2[i_row][1][i_index] = CLIP_0A(!i_row ? ACCURACY - (F4(a_2, a_1, i_index) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - i_index) + a_0) / Denom);
1845                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][1][i_index]) * constantYUV[0]) / ACCURACY;
1846                                                 // second image pixel
1847                                                 p_vout->p_sys->lambda2[i_row][0][i_index + 1] = CLIP_0A(!i_row ? ACCURACY - (F4(a_2, a_1, i_index + 1) + a_0) / Denom : ACCURACY - (F4(a_2, a_1,(length / p_pic->p->i_pixel_pitch) - (i_index + 1)) + a_0) / Denom);
1848                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index + 1] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][0][i_index]) * constantYUV[1]) / ACCURACY;
1849                                                 p_vout->p_sys->lambda2[i_row][1][i_index + 1] = p_vout->p_sys->lambda2[i_row][1][i_index];
1850                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index + 1] = p_vout->p_sys->cstYUV2[i_row][1][i_index];
1851                                         }
1852                                         break;
1853                                     default :
1854                                         break;
1855                                 }
1856                         }
1857                         p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1858 #ifndef GAMMA
1859                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1860                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1861                                 *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[i_row][i_index2 % p_pic->p->i_pixel_pitch][i_index] *
1862                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1863                                      p_vout->p_sys->cstYUV2[i_row][i_index2 % p_pic->p->i_pixel_pitch][i_index];
1864 #else
1865                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1866                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1867                                 *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_index % p_pic->p->i_pixel_pitch][(p_vout->p_sys->lambda2[i_row][i_index2 % p_pic->p->i_pixel_pitch][i_index] *
1868                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1869                                      p_vout->p_sys->cstYUV2[i_row][i_index2 % p_pic->p->i_pixel_pitch][i_index]][i_index / p_pic->p->i_pixel_pitch];
1870
1871 #endif
1872                         p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1873             }
1874 #endif
1875 // bug for wall filter : fix by CC
1876 //            pi_left_skip[i_plane] += i_out_pitch;
1877             pi_left_skip[i_plane] += i_copy_pitch;
1878             }
1879
1880             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1881                                 p_outpic );
1882             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1883                                  p_outpic );
1884             i_vout++;
1885         }
1886
1887         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1888         {
1889             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
1890                                      * p_pic->p[i_plane].i_lines
1891                                      / p_vout->output.i_height
1892                                      * p_pic->p[i_plane].i_pitch;
1893         }
1894     }
1895 #ifdef OVERLAP
1896     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1897 #endif
1898 }
1899 #endif
1900
1901
1902 /*****************************************************************************
1903  * RemoveAllVout: destroy all the child video output threads
1904  *****************************************************************************/
1905 static void RemoveAllVout( vout_thread_t *p_vout )
1906 {
1907     while( p_vout->p_sys->i_vout )
1908     {
1909          --p_vout->p_sys->i_vout;
1910          if( p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active )
1911          {
1912              DEL_CALLBACKS(
1913                  p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout,
1914                  SendEvents );
1915              vlc_object_detach(
1916                  p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout );
1917              vout_Destroy(
1918                  p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout );
1919          }
1920     }
1921 }
1922
1923 /*****************************************************************************
1924  * SendEvents: forward mouse and keyboard events to the parent p_vout
1925  *****************************************************************************/
1926 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
1927                        vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
1928 {
1929     VLC_UNUSED(oldval);
1930     vout_thread_t *p_vout = (vout_thread_t *)_p_vout;
1931     int i_vout;
1932     vlc_value_t sentval = newval;
1933
1934     /* Find the video output index */
1935     for( i_vout = 0; i_vout < p_vout->p_sys->i_vout; i_vout++ )
1936     {
1937         if( p_this == (vlc_object_t *)p_vout->p_sys->pp_vout[ i_vout ].p_vout )
1938         {
1939             break;
1940         }
1941     }
1942
1943     if( i_vout == p_vout->p_sys->i_vout )
1944     {
1945         return VLC_EGENERIC;
1946     }
1947
1948     /* Translate the mouse coordinates */
1949     if( !strcmp( psz_var, "mouse-x" ) )
1950     {
1951 #ifdef OVERLAP
1952         int i_overlap = ((p_vout->p_sys->i_col > 2) ? 0 : 2 * p_vout->p_sys->i_halfLength);
1953            sentval.i_int += (p_vout->output.i_width - i_overlap)
1954 #else
1955            sentval.i_int += p_vout->output.i_width
1956 #endif
1957                          * (i_vout % p_vout->p_sys->i_col)
1958                           / p_vout->p_sys->i_col;
1959     }
1960     else if( !strcmp( psz_var, "mouse-y" ) )
1961     {
1962 #ifdef OVERLAP
1963         int i_overlap = ((p_vout->p_sys->i_row > 2) ? 0 : 2 * p_vout->p_sys->i_halfHeight);
1964            sentval.i_int += (p_vout->output.i_height - i_overlap)
1965 #else
1966            sentval.i_int += p_vout->output.i_height
1967 #endif
1968 //bug fix in Wall plug-in
1969 //                         * (i_vout / p_vout->p_sys->i_row)
1970                          * (i_vout / p_vout->p_sys->i_col)
1971                           / p_vout->p_sys->i_row;
1972     }
1973
1974     var_Set( p_vout, psz_var, sentval );
1975
1976     return VLC_SUCCESS;
1977 }
1978
1979 /*****************************************************************************
1980  * SendEventsToChild: forward events to the child/children vout
1981  *****************************************************************************/
1982 static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
1983                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1984 {
1985     VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1986     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1987     int i_row, i_col, i_vout = 0;
1988
1989     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1990     {
1991         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
1992         {
1993             var_Set( p_vout->p_sys->pp_vout[ i_vout ].p_vout, psz_var, newval);
1994             if( !strcmp( psz_var, "fullscreen" ) ) break;
1995             i_vout++;
1996         }
1997     }
1998
1999     return VLC_SUCCESS;
2000 }