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         return VLC_ENOMEM;
 299
 300     p_vout->pf_init = Init;
 301     p_vout->pf_end = End;
 302     p_vout->pf_manage = NULL;
 303 /* Color Format not supported
 304 // Planar Y, packed UV
 305 case VLC_FOURCC('Y','M','G','A'):
 306 // Packed YUV 4:2:2, U:Y:V:Y, interlaced
 307 case VLC_FOURCC('I','U','Y','V'):    // packed by 2
 308 // Packed YUV 2:1:1, Y:U:Y:V
 309 case VLC_FOURCC('Y','2','1','1'):     // packed by 4
 310 // Packed YUV Reverted
 311 case VLC_FOURCC('c','y','u','v'):    // packed by 2
 312 */
 313     switch (p_vout->render.i_chroma)
 314     {
 315     // planar YUV
 316         case VLC_FOURCC('I','4','4','4'):
 317         case VLC_FOURCC('I','4','2','2'):
 318         case VLC_FOURCC('I','4','2','0'):
 319         case VLC_FOURCC('Y','V','1','2'):
 320         case VLC_FOURCC('I','Y','U','V'):
 321         case VLC_FOURCC('I','4','1','1'):
 322         case VLC_FOURCC('I','4','1','0'):
 323         case VLC_FOURCC('Y','V','U','9'):
 324         case VLC_FOURCC('Y','U','V','A'):
 325             p_vout->pf_render = RenderPlanarYUV;
 326             break;
 327     // packed RGB
 328         case VLC_FOURCC('R','G','B','2'):    // packed by 1
 329         case VLC_FOURCC('R','V','1','5'):    // packed by 2
 330         case VLC_FOURCC('R','V','1','6'):    // packed by 2
 331         case VLC_FOURCC('R','V','2','4'):    // packed by 3
 332         case VLC_FOURCC('R','V','3','2'):    // packed by 4
 333             p_vout->pf_render = RenderPackedRGB;
 334             break;
 335 #ifdef PACKED_YUV
 336     // packed YUV
 337         case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
 338         case VLC_FOURCC('Y','U','N','V'):    // packed by 2
 339         case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
 340         case VLC_FOURCC('U','Y','N','V'):    // packed by 2
 341         case VLC_FOURCC('Y','4','2','2'):    // packed by 2
 342             p_vout->pf_render = RenderPackedYUV;
 343             break;
 344 #endif
 345         default:
 346             msg_Err( p_vout, "colorspace not supported by plug-in !!!");
 347             free( p_vout->p_sys );
 348             return VLC_ENOMEM;
 349     }
 350     p_vout->pf_display = NULL;
 351     p_vout->pf_control = Control;
 352
 353     config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
 354                        p_vout->p_cfg );
 355
 356     /* Look what method was requested */
 357     p_vout->p_sys->i_col = var_CreateGetInteger( p_vout, CFG_PREFIX "cols" );
 358     p_vout->p_sys->i_row = var_CreateGetInteger( p_vout, CFG_PREFIX "rows" );
 359
 360 // OS dependent code :  Autodetect number of displays in wall
 361 #ifdef SYS_MINGW32
 362     if ((p_vout->p_sys->i_col < 0) || (p_vout->p_sys->i_row < 0) )
 363     {
 364         int nbMonitors = GetSystemMetrics(SM_CMONITORS);
 365         if (nbMonitors == 1)
 366         {
 367             nbMonitors = 5; // 1 display => 5x1 simulation
 368             p_vout->p_sys->i_col = nbMonitors;
 369             p_vout->p_sys->i_row = 1;
 370         }
 371         else
 372         {
 373             p_vout->p_sys->i_col = GetSystemMetrics( SM_CXVIRTUALSCREEN ) / GetSystemMetrics( SM_CXSCREEN );
 374             p_vout->p_sys->i_row = GetSystemMetrics( SM_CYVIRTUALSCREEN ) / GetSystemMetrics( SM_CYSCREEN );
 375             if (p_vout->p_sys->i_col * p_vout->p_sys->i_row != nbMonitors)
 376             {
 377                 p_vout->p_sys->i_col = nbMonitors;
 378                 p_vout->p_sys->i_row = 1;
 379             }
 380         }
 381         var_SetInteger( p_vout, CFG_PREFIX "cols", p_vout->p_sys->i_col);
 382         var_SetInteger( p_vout, CFG_PREFIX "rows", p_vout->p_sys->i_row);
 383     }
 384 #endif
 385
 386 #ifdef OVERLAP
 387     p_vout->p_sys->i_offset_x = var_CreateGetInteger( p_vout, CFG_PREFIX "offset-x" );
 388     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
 389     p_vout->p_sys->b_autocrop = !(var_CreateGetInteger( p_vout, "crop-ratio" ) == 0);
 390     if (!p_vout->p_sys->b_autocrop) p_vout->p_sys->b_autocrop = var_CreateGetInteger( p_vout, "autocrop" );
 391     p_vout->p_sys->b_attenuate = var_CreateGetInteger( p_vout, CFG_PREFIX "attenuate");
 392     p_vout->p_sys->bz_length = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-length" );
 393     if (p_vout->p_sys->i_row > 1)
 394         p_vout->p_sys->bz_height = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-height" );
 395     else
 396         p_vout->p_sys->bz_height = 100;
 397     p_vout->p_sys->bz_begin = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-begin" );
 398     p_vout->p_sys->bz_middle = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-middle" );
 399     p_vout->p_sys->bz_end = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-end" );
 400     p_vout->p_sys->bz_middle_pos = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-middle-pos" );
 401     double d_p = 100.0 / p_vout->p_sys->bz_middle_pos;
 402     p_vout->p_sys->i_ratio_max = var_CreateGetInteger( p_vout, "autocrop-ratio-max" ); // in crop module with autocrop ...
 403     p_vout->p_sys->i_ratio = var_CreateGetInteger( p_vout, "crop-ratio" ); // in crop module with manual ratio ...
 404
 405     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;
 406     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;
 407     p_vout->p_sys->a_0 =  p_vout->p_sys->bz_begin;
 408
 409 #ifdef GAMMA
 410     p_vout->p_sys->f_gamma_red = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
 411     p_vout->p_sys->f_gamma_green = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 412     p_vout->p_sys->f_gamma_blue = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 413 #endif
 414 #ifndef SYS_MINGW32
 415     p_vout->p_sys->b_xinerama= var_CreateGetInteger( p_vout, CFG_PREFIX "xinerama" );
 416 #endif
 417 #else
 418     p_vout->p_sys->i_col = __MAX( 1, __MIN( 15, p_vout->p_sys->i_col ) );
 419     p_vout->p_sys->i_row = __MAX( 1, __MIN( 15, p_vout->p_sys->i_row ) );
 420 #endif
 421
 422     msg_Dbg( p_vout, "opening a %i x %i wall",
 423              p_vout->p_sys->i_col, p_vout->p_sys->i_row );
 424
 425     p_vout->p_sys->pp_vout = malloc( p_vout->p_sys->i_row *
 426                                      p_vout->p_sys->i_col *
 427                                      sizeof(struct vout_list_t) );
 428     if( p_vout->p_sys->pp_vout == NULL )
 429     {
 430         free( p_vout->p_sys );
 431         return VLC_ENOMEM;
 432     }
 433
 434     psz_method_tmp =
 435     psz_method = var_CreateGetNonEmptyString( p_vout, CFG_PREFIX "active" );
 436
 437     /* If no trailing vout are specified, take them all */
 438     if( psz_method == NULL )
 439     {
 440         for( i_vout = p_vout->p_sys->i_row * p_vout->p_sys->i_col;
 441              i_vout--; )
 442         {
 443             p_vout->p_sys->pp_vout[i_vout].b_active = 1;
 444         }
 445     }
 446     /* If trailing vout are specified, activate only the requested ones */
 447     else
 448     {
 449         for( i_vout = p_vout->p_sys->i_row * p_vout->p_sys->i_col;
 450              i_vout--; )
 451         {
 452             p_vout->p_sys->pp_vout[i_vout].b_active = 0;
 453         }
 454
 455         while( *psz_method )
 456         {
 457             psz_tmp = psz_method;
 458             while( *psz_tmp && *psz_tmp != ',' )
 459             {
 460                 psz_tmp++;
 461             }
 462
 463             if( *psz_tmp )
 464             {
 465                 *psz_tmp = '\0';
 466                 i_vout = atoi( psz_method );
 467                 psz_method = psz_tmp + 1;
 468             }
 469             else
 470             {
 471                 i_vout = atoi( psz_method );
 472                 psz_method = psz_tmp;
 473             }
 474
 475             if( i_vout >= 0 &&
 476                 i_vout < p_vout->p_sys->i_row * p_vout->p_sys->i_col )
 477             {
 478                 p_vout->p_sys->pp_vout[i_vout].b_active = 1;
 479             }
 480         }
 481     }
 482
 483     free( psz_method_tmp );
 484
 485     return VLC_SUCCESS;
 486 }
 487
 488
 489 #ifdef OVERLAP
 490 /*****************************************************************************
 491  * CLIP_0A: clip between 0 and ACCURACY
 492  *****************************************************************************/
 493 inline static int CLIP_0A( int a )
 494 {
 495     return (a > ACCURACY) ? ACCURACY : (a < 0) ? 0 : a;
 496 }
 497
 498 #ifdef GAMMA
 499 /*****************************************************************************
 500  *  Gamma: Gamma correction
 501  *****************************************************************************/
 502 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])
 503 {
 504     float f_Input;
 505
 506     f_Input = (f_component * f_BlackLevel[i_plane]) / (f_BlackCrush[i_plane]) + (1.0 - f_BlackLevel[i_plane]);
 507     if (f_component <= f_BlackCrush[i_plane])
 508          return pow(f_Input, 1.0 / f_Gamma[i_plane]);
 509     else if (f_component >= f_WhiteCrush[i_plane])
 510     {
 511         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);
 512         return pow(f_Input, 1.0 / f_Gamma[i_plane]);
 513     }
 514            else
 515             return 1.0;
 516 }
 517
 518 #ifdef PACKED_YUV
 519
 520 /*****************************************************************************
 521  * F: Function to calculate Gamma correction
 522  *****************************************************************************/
 523 static uint8_t F(uint8_t i, float gamma)
 524 {
 525  double input = (double) i / 255.0;
 526
 527 // return clip(255 * pow(input, 1.0 / gamma));
 528
 529  if (input < 0.5)
 530      return clip_uint8((255 * pow(2 * input, gamma)) / 2);
 531  else
 532      return clip_uint8(255 * (1 - pow(2 * (1 - input), gamma) / 2));
 533
 534 }
 535 #endif
 536 #endif
 537
 538 /*****************************************************************************
 539  * AdjustHeight: ajust p_sys->i_height to have same BZ width for any ratio
 540  *****************************************************************************/
 541 static int AdjustHeight( vout_thread_t *p_vout )
 542 {
 543     bool b_fullscreen = var_CreateGetInteger( p_vout, "fullscreen" );
 544     int i_window_width = p_vout->i_window_width;
 545     int i_window_height = p_vout->i_window_height;
 546     double d_halfLength = 0;
 547     double d_halfLength_crop;
 548     double d_halfLength_calculated;
 549     int    i_offset = 0;
 550
 551 // OS DEPENDENT CODE to get display dimensions
 552         if (b_fullscreen)
 553         {
 554 #ifdef SYS_MINGW32
 555             i_window_width  = GetSystemMetrics(SM_CXSCREEN);
 556             i_window_height = GetSystemMetrics(SM_CYSCREEN);
 557 #else
 558             Display *p_display = XOpenDisplay( "" );
 559             if (p_vout->p_sys->b_xinerama)
 560             {
 561                 i_window_width = DisplayWidth(p_display, 0) / p_vout->p_sys->i_col;
 562                 i_window_height = DisplayHeight(p_display, 0) / p_vout->p_sys->i_row;
 563              }
 564             else
 565             {
 566                 i_window_width = DisplayWidth(p_display, 0);
 567                 i_window_height = DisplayHeight(p_display, 0);
 568             }
 569                XCloseDisplay( p_display );
 570                free(p_display);
 571 #endif
 572         var_SetInteger( p_vout, "width", i_window_width);
 573         var_SetInteger( p_vout, "height", i_window_height);
 574         p_vout->i_window_width = i_window_width;
 575            p_vout->i_window_height = i_window_height;
 576         }
 577
 578         if (p_vout->p_sys->bz_length)
 579         if ((!p_vout->p_sys->b_autocrop) && (!p_vout->p_sys->i_ratio))
 580         {
 581             if ((p_vout->p_sys->i_row > 1) || (p_vout->p_sys->i_col > 1))
 582             {
 583               while ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col)))
 584               {
 585                 if (p_vout->p_sys->bz_length >= 50)
 586                     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);
 587                 else
 588                 {
 589                     d_halfLength = (p_vout->render.i_width * p_vout->p_sys->bz_length) / (100.0 * p_vout->p_sys->i_col);
 590                     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);
 591                 }
 592                 if ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col))) p_vout->p_sys->i_row--;
 593                 if (p_vout->p_sys->i_row < 1 )
 594                 {
 595                     p_vout->p_sys->i_row = 1;
 596                     break;
 597                 }
 598               }
 599               p_vout->p_sys->i_halfLength = (d_halfLength + 0.5);
 600               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;
 601               var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
 602               var_SetInteger( p_vout, "panoramix-rows", p_vout->p_sys->i_row);
 603               }
 604         }
 605         else
 606         {
 607             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;
 608             d_halfLength_crop = d_halfLength * VOUT_ASPECT_FACTOR * (double)p_vout->output.i_width
 609                         / (double)i_window_height / (double)p_vout->render.i_aspect;
 610             p_vout->p_sys->i_halfLength = (d_halfLength_crop + 0.5);
 611             d_halfLength_calculated = p_vout->p_sys->i_halfLength * (double)i_window_height *
 612                                 (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width;
 613
 614             if (!p_vout->p_sys->b_attenuate)
 615             {
 616                 double d_bz_length = (p_vout->p_sys->i_halfLength * p_vout->p_sys->i_col * 100.0) / p_vout->render.i_width;
 617                 // F(2x) != 2F(x) in opengl module
 618                 if (p_vout->p_sys->i_col == 2) d_bz_length = (100.0 * d_bz_length) / (100.0 - d_bz_length) ;
 619                 var_SetInteger( p_vout, "bz-length", (int)(d_bz_length + 0.5));
 620             }
 621             i_offset =  (int)d_halfLength - (int)
 622                         (p_vout->p_sys->i_halfLength * (double)i_window_height *
 623                         (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width);
 624         }
 625         else
 626             d_halfLength = 0;
 627
 628         return i_offset;
 629 }
 630 #endif
 631
 632
 633 /*****************************************************************************
 634  * Init: initialize Wall video thread output method
 635  *****************************************************************************/
 636 static int Init( vout_thread_t *p_vout )
 637 {
 638     int i_index, i_row, i_col, i_width, i_height;
 639     picture_t *p_pic;
 640
 641     I_OUTPUTPICTURES = 0;
 642
 643     /* Initialize the output structure */
 644     p_vout->output.i_chroma = p_vout->render.i_chroma;
 645     p_vout->output.i_width  = p_vout->render.i_width;
 646     p_vout->output.i_height = p_vout->render.i_height;
 647     p_vout->output.i_aspect = p_vout->render.i_aspect;
 648 #ifdef OVERLAP
 649     p_vout->p_sys->b_has_changed = p_vout->p_sys->b_attenuate;
 650     int i_video_x = var_GetInteger( p_vout, "video-x");
 651     int i_video_y = var_GetInteger( p_vout, "video-y");
 652 #ifdef GAMMA
 653     if (p_vout->p_sys->b_attenuate)
 654     {
 655         int i_index2, i_plane;
 656         int constantYUV[3] = {0,128,128};
 657         float    f_BlackCrush[VOUT_MAX_PLANES];
 658         float    f_BlackLevel[VOUT_MAX_PLANES];
 659         float    f_WhiteCrush[VOUT_MAX_PLANES];
 660         float    f_WhiteLevel[VOUT_MAX_PLANES];
 661         p_vout->p_sys->f_gamma[0] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
 662         p_vout->p_sys->f_gamma[1] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 663         p_vout->p_sys->f_gamma[2] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 664         f_BlackCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-red" ) / 255.0;
 665         f_BlackCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-green" ) / 255.0;
 666         f_BlackCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-blue" ) / 255.0;
 667         f_WhiteCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-red" ) / 255.0;
 668         f_WhiteCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-green" ) / 255.0;
 669         f_WhiteCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-blue" ) / 255.0;
 670         f_BlackLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-red" ) / 255.0;
 671         f_BlackLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-green" ) / 255.0;
 672         f_BlackLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-blue" ) / 255.0;
 673         f_WhiteLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-red" ) / 255.0;
 674         f_WhiteLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-green" ) / 255.0;
 675         f_WhiteLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-blue" ) / 255.0;
 676         switch (p_vout->render.i_chroma)
 677         {
 678         // planar YVU
 679             case VLC_FOURCC('Y','V','1','2'):
 680             case VLC_FOURCC('Y','V','U','9'):
 681         // packed UYV
 682             case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
 683             case VLC_FOURCC('U','Y','N','V'):    // packed by 2
 684             case VLC_FOURCC('Y','4','2','2'):    // packed by 2
 685     //        case VLC_FOURCC('c','y','u','v'):    // packed by 2
 686                 p_vout->p_sys->f_gamma[2] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 687                 p_vout->p_sys->f_gamma[1] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 688                 f_BlackCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-green" ) / 255.0;
 689                 f_BlackCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-blue" ) / 255.0;
 690                 f_WhiteCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-green" ) / 255.0;
 691                 f_WhiteCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-blue" ) / 255.0;
 692                 f_BlackLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-green" ) / 255.0;
 693                 f_BlackLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-blue" ) / 255.0;
 694                 f_WhiteLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-green" ) / 255.0;
 695                 f_WhiteLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-blue" ) / 255.0;
 696         // planar YUV
 697             case VLC_FOURCC('I','4','4','4'):
 698             case VLC_FOURCC('I','4','2','2'):
 699             case VLC_FOURCC('I','4','2','0'):
 700             case VLC_FOURCC('I','4','1','1'):
 701             case VLC_FOURCC('I','4','1','0'):
 702             case VLC_FOURCC('I','Y','U','V'):
 703             case VLC_FOURCC('Y','U','V','A'):
 704         // packed YUV
 705             case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
 706             case VLC_FOURCC('Y','U','N','V'):    // packed by 2
 707                 for (i_index = 0; i_index < 256; i_index++)
 708                     for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
 709                         for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
 710                         {
 711                             float f_lut = CLIP_01(1.0 -
 712                                      ((ACCURACY - (float)i_index2)
 713                                      * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
 714                                      / (ACCURACY - 1)));
 715                             p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index + (int)((1.0 - f_lut) * (float)constantYUV[i_plane]);
 716                         }
 717                 break;
 718         // packed RGB
 719             case VLC_FOURCC('R','G','B','2'):    // packed by 1
 720             case VLC_FOURCC('R','V','1','5'):    // packed by 2
 721             case VLC_FOURCC('R','V','1','6'):    // packed by 2
 722             case VLC_FOURCC('R','V','2','4'):    // packed by 3
 723             case VLC_FOURCC('R','V','3','2'):    // packed by 4
 724             for (i_index = 0; i_index < 256; i_index++)
 725                     for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
 726                         for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
 727                         {
 728                             float f_lut = CLIP_01(1.0 -
 729                                      ((ACCURACY - (float)i_index2)
 730                                      * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
 731                                      / (ACCURACY - 1)));
 732                             p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index;
 733                         }
 734                 break;
 735             default:
 736                 msg_Err( p_vout, "colorspace not supported by plug-in !!!");
 737                 free( p_vout->p_sys );
 738                 return VLC_ENOMEM;
 739         }
 740     }
 741 #endif
 742     if (p_vout->p_sys->i_offset_x)
 743         p_vout->p_sys->i_offset_x = AdjustHeight(p_vout);
 744     else
 745         AdjustHeight(p_vout);
 746 #endif
 747
 748     /* Try to open the real video output */
 749     msg_Dbg( p_vout, "spawning the real video outputs" );
 750
 751     p_vout->p_sys->i_vout = 0;
 752
 753     /* FIXME: use bresenham instead of those ugly divisions */
 754     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 755     {
 756         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
 757         {
 758             video_format_t fmt;
 759
 760             memset( &fmt, 0, sizeof(video_format_t) );
 761
 762             if( i_col + 1 < p_vout->p_sys->i_col )
 763             {
 764                 i_width = ( p_vout->render.i_width
 765                              / p_vout->p_sys->i_col ) & ~0x1;
 766             }
 767             else
 768             {
 769                 i_width = p_vout->render.i_width
 770                            - ( ( p_vout->render.i_width
 771                                   / p_vout->p_sys->i_col ) & ~0x1 ) * i_col;
 772
 773             }
 774 #ifdef OVERLAP
 775             i_width += p_vout->p_sys->i_halfLength;
 776             if (p_vout->p_sys->i_col > 2 ) i_width += p_vout->p_sys->i_halfLength;
 777             i_width -= i_width % 2;
 778 #endif
 779             if( i_row + 1 < p_vout->p_sys->i_row )
 780             {
 781                 i_height = ( p_vout->render.i_height
 782                               / p_vout->p_sys->i_row ) & ~0x3;
 783             }
 784             else
 785             {
 786                 i_height = p_vout->render.i_height
 787                             - ( ( p_vout->render.i_height
 788                                    / p_vout->p_sys->i_row ) & ~0x3 ) * i_row;
 789             }
 790
 791 #ifdef OVERLAP
 792             if (p_vout->p_sys->i_row >= 2)
 793             {
 794                 p_vout->p_sys->i_halfHeight = (p_vout->p_sys->i_halfLength * p_vout->p_sys->bz_height) / 100;
 795                 p_vout->p_sys->i_halfHeight -= (p_vout->p_sys->i_halfHeight % 2);
 796                 i_height += p_vout->p_sys->i_halfHeight;
 797                 if (p_vout->p_sys->i_row > 2) i_height += p_vout->p_sys->i_halfHeight;
 798             }
 799             i_height -= i_height % 2;
 800 #endif
 801             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_width = i_width;
 802             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_height = i_height;
 803
 804             if( !p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active )
 805             {
 806                 p_vout->p_sys->i_vout++;
 807                 continue;
 808             }
 809
 810             fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
 811             fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
 812             fmt.i_x_offset = fmt.i_y_offset = 0;
 813             fmt.i_chroma = p_vout->render.i_chroma;
 814             fmt.i_aspect = p_vout->render.i_aspect;
 815             fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
 816             fmt.i_sar_den = VOUT_ASPECT_FACTOR;
 817             fmt.i_width = fmt.i_visible_width = i_width;
 818             fmt.i_height = fmt.i_visible_height = i_height;
 819             fmt.i_aspect = p_vout->render.i_aspect
 820                               * p_vout->render.i_height / i_height
 821                               * i_width / p_vout->render.i_width;
 822 #ifdef OVERLAP
 823             if (p_vout->p_sys->i_offset_x < 0)
 824             {
 825                 var_SetInteger(p_vout, "video-x", -p_vout->p_sys->i_offset_x);
 826                 p_vout->p_sys->i_offset_x = 0;
 827             }
 828 #endif
 829             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout =
 830                 vout_Create( p_vout, &fmt);
 831
 832             if( p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout == NULL )
 833             {
 834                 msg_Err( p_vout, "failed to get %ix%i vout threads",
 835                                  p_vout->p_sys->i_col, p_vout->p_sys->i_row );
 836                 RemoveAllVout( p_vout );
 837                 return VLC_EGENERIC;
 838             }
 839             ADD_CALLBACKS(
 840                 p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout,
 841                 SendEvents );
 842 #ifdef OVERLAP
 843             p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment = 0;
 844             if (i_col == 0) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_RIGHT;
 845             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;
 846             if (p_vout->p_sys->i_row > 1)
 847             {
 848                 if (i_row == 0) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_BOTTOM;
 849                 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;
 850             }
 851     // i_n : number of active pp_vout
 852             int i_index, i_n = p_vout->p_sys->i_vout;
 853                 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;
 854             var_SetInteger( p_vout, "align", p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment );
 855             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);
 856             var_SetInteger( p_vout, "video-y",i_video_y + ((i_n + 1) / p_vout->p_sys->i_col) * p_vout->i_window_height);
 857 #endif
 858             p_vout->p_sys->i_vout++;
 859         }
 860     }
 861
 862     ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );
 863
 864     ADD_PARENT_CALLBACKS( SendEventsToChild );
 865
 866     return VLC_SUCCESS;
 867 }
 868
 869 /*****************************************************************************
 870  * End: terminate Wall video thread output method
 871  *****************************************************************************/
 872 static void End( vout_thread_t *p_vout )
 873 {
 874     int i_index;
 875
 876     DEL_PARENT_CALLBACKS( SendEventsToChild );
 877
 878     /* Free the fake output buffers we allocated */
 879     for( i_index = I_OUTPUTPICTURES ; i_index ; )
 880     {
 881         i_index--;
 882         free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
 883     }
 884
 885     RemoveAllVout( p_vout );
 886
 887 #ifdef OVERLAP
 888     var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
 889 #endif
 890 }
 891
 892 /*****************************************************************************
 893  * Destroy: destroy Wall video thread output method
 894  *****************************************************************************
 895  * Terminate an output method created by WallCreateOutputMethod
 896  *****************************************************************************/
 897 static void Destroy( vlc_object_t *p_this )
 898 {
 899     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 900
 901     free( p_vout->p_sys->pp_vout );
 902     free( p_vout->p_sys );
 903
 904 }
 905
 906 /*****************************************************************************
 907  * RenderPlanarYUV: displays previously rendered output
 908  *****************************************************************************
 909  * This function send the currently rendered image to Wall image, waits
 910  * until it is displayed and switch the two rendering buffers, preparing next
 911  * frame.
 912  *****************************************************************************/
 913 static void RenderPlanarYUV( vout_thread_t *p_vout, picture_t *p_pic )
 914 {
 915     picture_t *p_outpic = NULL;
 916     int i_col, i_row, i_vout, i_plane;
 917     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
 918 #ifdef OVERLAP
 919     int LeftOffset, TopOffset;
 920     int constantYUV[3] = {0,128,128};
 921     int Denom;
 922     int a_2;
 923     int a_1;
 924     int a_0;
 925     int i_index, i_index2;
 926 #endif
 927
 928
 929     i_vout = 0;
 930
 931     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 932     {
 933         pi_top_skip[i_plane] = 0;
 934     }
 935
 936     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 937     {
 938         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 939         {
 940             pi_left_skip[i_plane] = 0;
 941         }
 942
 943         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
 944         {
 945             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
 946             {
 947                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 948                 {
 949                     pi_left_skip[i_plane] +=
 950                         p_vout->p_sys->pp_vout[ i_vout ].i_width
 951                          * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
 952                 }
 953                 i_vout++;
 954                 continue;
 955             }
 956
 957             while( ( p_outpic =
 958                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 959                                     0, 0, 0 )
 960                    ) == NULL )
 961             {
 962                 if( !vlc_object_alive (p_vout) || p_vout->b_error )
 963                 {
 964                     vout_DestroyPicture(
 965                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
 966                     return;
 967                 }
 968
 969                 msleep( VOUT_OUTMEM_SLEEP );
 970             }
 971
 972             vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 973                               p_outpic, p_pic->date );
 974             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 975                               p_outpic );
 976
 977             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 978             {
 979                 uint8_t *p_in, *p_in_end, *p_out;
 980                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
 981                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
 982                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
 983                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
 984 #ifdef OVERLAP
 985                 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);
 986                 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);
 987                 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);
 988                 if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
 989                     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);
 990 // i_n : previous inactive pp_vout
 991                 int i_n=0;
 992                 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++;
 993                 if ((i_col > 1) && i_n)
 994                     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);
 995
 996                 p_in = p_pic->p[i_plane].p_pixels
 997                 /* Wall proprities */
 998                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
 999
1000                 if ((p_vout->p_sys->i_row > 2) &&
1001                     ((!i_row) || (i_row + 1 == p_vout->p_sys->i_row)))
1002                         i_lines -= (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1003
1004 // 1088 lines bug in a mpeg2 stream of 1080 lines
1005                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1006                     (p_pic->p[i_plane].i_lines == 1088))
1007                         i_lines -= 8 / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1008
1009                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1010 #else
1011                 p_in = p_pic->p[i_plane].p_pixels
1012                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1013
1014                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1015 #endif
1016                 p_out = p_outpic->p[i_plane].p_pixels;
1017 #ifdef OVERLAP
1018         if ((p_vout->p_sys->i_row > 2) && (!i_row))
1019             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));
1020
1021         int length;
1022         int i_col_mod;
1023         length = 2 * p_vout->p_sys->i_halfLength / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1024
1025         if (p_vout->p_sys->b_has_changed)
1026         {
1027             Denom = F2(length);
1028             a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1029             a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1030             a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1031             for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1032              for (i_index = 0; i_index < length; i_index++)
1033              {
1034                 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);
1035                 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;
1036              }
1037         }
1038 #endif
1039             while( p_in < p_in_end )
1040             {
1041 #ifndef OVERLAP
1042                 vlc_memcpy( p_out, p_in, i_copy_pitch);
1043 #else
1044                 if (p_vout->p_sys->i_col > 2)
1045                 {
1046                     length /= 2;
1047                     if (i_col == 0)
1048                         vlc_memcpy( p_out + length , p_in, i_copy_pitch - length);
1049                     else if (i_col + 1 == p_vout->p_sys->i_col)
1050                         vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
1051                     else
1052                         vlc_memcpy( p_out, p_in - length, i_copy_pitch);
1053
1054                     if ((i_col == 0))
1055                     // black bar
1056                     {
1057                         LeftOffset = 0;
1058                         p_out += LeftOffset;
1059                         memset(p_out, constantYUV[i_plane], length);
1060                         p_out -= LeftOffset;
1061                     }
1062                     else if ((i_col + 1 == p_vout->p_sys->i_col ))
1063                     // black bar
1064                         {
1065                             LeftOffset = i_copy_pitch - length;
1066                             p_out += LeftOffset;
1067                             memset(p_out, constantYUV[i_plane], length);
1068                             p_out -= LeftOffset;
1069                         }
1070                     length *= 2;
1071                 }
1072                 else
1073                     vlc_memcpy( p_out , p_in, i_copy_pitch);
1074
1075               if (p_vout->p_sys->b_attenuate)
1076             {
1077 // vertical blend
1078 // first blended zone
1079                 if (i_col)
1080                 {
1081                     LeftOffset = 0;
1082                     p_out += LeftOffset;
1083                     for (i_index = 0; i_index < length; i_index++)
1084                     {
1085 #ifndef GAMMA
1086                         *(p_out + i_index) = (p_vout->p_sys->lambda[1][i_plane][i_index] *
1087                                  (*(p_out + i_index))) / ACCURACY +
1088                                      p_vout->p_sys->cstYUV[1][i_plane][i_index];
1089 #else
1090                             *(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)];
1091 #endif
1092                     }
1093                     p_out -= LeftOffset;
1094                 }
1095 // second blended zone
1096                 if (i_col + 1 < p_vout->p_sys->i_col)
1097                 {
1098                     LeftOffset = i_copy_pitch - length;
1099                     p_out +=  LeftOffset;
1100                     for (i_index = 0; i_index < length; i_index++)
1101                     {
1102 #ifndef GAMMA
1103                             *(p_out + i_index) = (p_vout->p_sys->lambda[0][i_plane][i_index] *
1104                                      (*(p_out + i_index))) / ACCURACY +
1105                                      p_vout->p_sys->cstYUV[0][i_plane][i_index];
1106 #else
1107
1108                         *(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)];
1109 #endif
1110                     }
1111                     p_out -= LeftOffset;
1112                 }
1113 // end blended zone
1114             }
1115 #endif
1116                 p_in += i_in_pitch;
1117                 p_out += i_out_pitch;
1118             }
1119 #ifdef OVERLAP
1120 // horizontal blend
1121         if (!p_vout->p_sys->b_attenuate)
1122         {
1123             if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
1124             // black bar
1125             {
1126                     int height = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1127                     TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1128                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1129                     for (i_index = 0; i_index < height; i_index++)
1130                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1131                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1132                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1133             }
1134             else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
1135             // black bar
1136                 {
1137                         int height = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1138                         TopOffset = height - (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1139                         p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1140                         for (i_index = 0; i_index < height; i_index++)
1141                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1142                                 *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1143                         p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1144                 }
1145         }
1146         else
1147         {
1148             if (p_vout->p_sys->i_row >= 2)
1149             {
1150                 length = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1151                 if (p_vout->p_sys->b_has_changed)
1152                 {
1153                     Denom = F2(length);
1154                     a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1155                     a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1156                     a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1157                    for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1158                     for (i_index = 0; i_index < length; i_index++)
1159                     {
1160                         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);
1161                         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;
1162                     }
1163                 }
1164 // first blended zone
1165
1166             if (i_row)
1167             {
1168                 TopOffset = i_lines;
1169                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1170                 for (i_index = 0; i_index < length; i_index++)
1171                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1172 #ifndef GAMMA
1173                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[1][i_plane][i_index] *
1174                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1175                                      p_vout->p_sys->cstYUV2[1][i_plane][i_index];
1176 #else
1177
1178                         *(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)];
1179 #endif
1180                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1181             }
1182             else if (p_vout->p_sys->i_row > 2)
1183             // black bar
1184             {
1185                 TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1186                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1187                 for (i_index = 0; i_index < length; i_index++)
1188                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1189                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1190                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1191             }
1192
1193 // second blended zone
1194
1195             if (i_row + 1 < p_vout->p_sys->i_row)
1196             {
1197                 TopOffset = length;
1198                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1199                 for (i_index = 0; i_index < length; i_index++)
1200                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1201 #ifndef GAMMA
1202                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[0][i_plane][i_index] *
1203                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1204                                      p_vout->p_sys->cstYUV2[0][i_plane][i_index];
1205 #else
1206
1207                         *(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)];
1208
1209 #endif
1210                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1211             }
1212             else if (p_vout->p_sys->i_row > 2)
1213             // black bar
1214             {
1215                 TopOffset = length - (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1216                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1217                 for (i_index = 0; i_index < length; i_index++)
1218                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1219                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
1220                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1221             }
1222 // end blended zone
1223             }
1224         }
1225 #endif
1226 // bug for wall filter : fix by CC
1227 //            pi_left_skip[i_plane] += i_out_pitch;
1228             pi_left_skip[i_plane] += i_copy_pitch;
1229             }
1230
1231             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1232                                 p_outpic );
1233             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1234                                  p_outpic );
1235             i_vout++;
1236         }
1237
1238         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1239                 {
1240                     pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
1241                                              * p_pic->p[i_plane].i_lines
1242                                              / p_vout->output.i_height
1243                                              * p_pic->p[i_plane].i_pitch;
1244                 }
1245
1246     }
1247 #ifdef OVERLAP
1248     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1249 #endif
1250 }
1251
1252
1253 /*****************************************************************************
1254  * RenderPackedRGB: displays previously rendered output
1255  *****************************************************************************
1256  * This function send the currently rendered image to Wall image, waits
1257  * until it is displayed and switch the two rendering buffers, preparing next
1258  * frame.
1259  *****************************************************************************/
1260 static void RenderPackedRGB( vout_thread_t *p_vout, picture_t *p_pic )
1261 {
1262     picture_t *p_outpic = NULL;
1263     int i_col, i_row, i_vout, i_plane;
1264     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
1265 #ifdef OVERLAP
1266     int LeftOffset, TopOffset;
1267     int Denom;
1268     int a_2;
1269     int a_1;
1270     int a_0;
1271     int i_index, i_index2;
1272 #endif
1273
1274     i_vout = 0;
1275
1276     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1277     {
1278         pi_top_skip[i_plane] = 0;
1279     }
1280
1281     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1282     {
1283         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1284         {
1285             pi_left_skip[i_plane] = 0;
1286         }
1287
1288         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
1289         {
1290             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
1291             {
1292                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1293                 {
1294                     pi_left_skip[i_plane] +=
1295                         p_vout->p_sys->pp_vout[ i_vout ].i_width * p_pic->p->i_pixel_pitch;
1296                 }
1297                 i_vout++;
1298                 continue;
1299             }
1300
1301             while( ( p_outpic =
1302                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1303                                     0, 0, 0 )
1304                    ) == NULL )
1305             {
1306                 if( !vlc_object_alive (p_vout) || p_vout->b_error )
1307                 {
1308                     vout_DestroyPicture(
1309                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
1310                     return;
1311                 }
1312
1313                 msleep( VOUT_OUTMEM_SLEEP );
1314             }
1315
1316             vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1317                               p_outpic, p_pic->date );
1318             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1319                               p_outpic );
1320
1321             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1322             {
1323                 uint8_t *p_in, *p_in_end, *p_out;
1324                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
1325                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
1326                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
1327
1328 #ifdef OVERLAP
1329                 if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength) * p_pic->p->i_pixel_pitch;
1330                 if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch);
1331                 if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
1332                     pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch);
1333 // i_n : previous inactive pp_vout
1334                 int i_n=0;
1335                 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++;
1336                 if ((i_col > 1) && i_n)
1337                     pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) * p_pic->p->i_pixel_pitch;
1338
1339                 p_in = p_pic->p[i_plane].p_pixels
1340                 /* Wall proprities */
1341                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1342
1343                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
1344 // 1088 lines bug in a mpeg2 stream of 1080 lines
1345                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1346                     (p_pic->p[i_plane].i_lines == 1088))
1347                         i_lines -= 8;
1348
1349                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1350 #else
1351                 p_in = p_pic->p[i_plane].p_pixels
1352                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1353
1354                 p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
1355                                         * p_pic->p[i_plane].i_pitch;
1356 #endif //OVERLAP
1357
1358                 p_out = p_outpic->p[i_plane].p_pixels;
1359
1360
1361 #ifdef OVERLAP
1362         if ((p_vout->p_sys->i_row > 2) && (!i_row))
1363             p_out += (p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) * p_pic->p->i_pixel_pitch);
1364
1365         int length;
1366         length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
1367
1368         if (p_vout->p_sys->b_has_changed)
1369         {
1370             int i_plane_;
1371             int i_col_mod;
1372             Denom = F2(length / p_pic->p->i_pixel_pitch);
1373             a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1374             a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1375             a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1376             for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1377                 for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1378                     for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1379                         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);
1380         }
1381 #endif
1382             while( p_in < p_in_end )
1383             {
1384 #ifndef OVERLAP
1385                 vlc_memcpy( p_out, p_in, i_copy_pitch );
1386 #else
1387                 if (p_vout->p_sys->i_col > 2)
1388                 {
1389                     // vertical blend
1390                     length /= 2;
1391                     if (i_col == 0)
1392                         vlc_memcpy( p_out + length, p_in, i_copy_pitch - length);
1393                     else if (i_col + 1 == p_vout->p_sys->i_col)
1394                         vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
1395                     else
1396                         vlc_memcpy( p_out, p_in - length, i_copy_pitch);
1397
1398                     if ((i_col == 0))
1399                     // black bar
1400                     {
1401                         LeftOffset = 0;
1402                         p_out += LeftOffset;
1403                         p_in += LeftOffset;
1404                         for (i_index = 0; i_index < length; i_index++)
1405                                 *(p_out + i_index) = 0;
1406                         p_out -= LeftOffset;
1407                         p_in -= LeftOffset;
1408                     }
1409                     else if ((i_col + 1 == p_vout->p_sys->i_col ))
1410                     // black bar
1411                         {
1412                             LeftOffset = i_copy_pitch - length;
1413                             p_out += LeftOffset;
1414                             p_in += LeftOffset;
1415                             for (i_index = 0; i_index < length; i_index++)
1416                                     *(p_out + i_index) = 0;
1417                             p_out -= LeftOffset;
1418                             p_in -= LeftOffset;
1419                         }
1420                     length *= 2;
1421                 }
1422                 else
1423                     vlc_memcpy( p_out, p_in, i_copy_pitch);
1424
1425 // vertical blend
1426 // first blended zone
1427             if (i_col)
1428             {
1429                 LeftOffset = 0;
1430                 p_out += LeftOffset;
1431                 for (i_index = 0; i_index < length; i_index++)
1432 #ifndef GAMMA
1433                     *(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] *
1434                                  (*(p_out + i_index))) / ACCURACY;
1435 #else
1436                     *(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)];
1437 #endif
1438                 p_out -= LeftOffset;
1439             }
1440 // second blended zone
1441             if (i_col + 1 < p_vout->p_sys->i_col)
1442             {
1443                 LeftOffset = i_copy_pitch - length;
1444                 p_out +=  LeftOffset;
1445                 for (i_index = 0; i_index < length; i_index++)
1446 #ifndef GAMMA
1447                     *(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] *
1448                                  (*(p_out + i_index))) / ACCURACY;
1449 #else
1450                     *(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)];
1451 #endif
1452                 p_out -= LeftOffset;
1453             }
1454 // end blended zone
1455 #endif //OVERLAP
1456                 p_in += i_in_pitch;
1457                 p_out += i_out_pitch;
1458             }
1459 #ifdef OVERLAP
1460 // horizontal blend
1461         if (!p_vout->p_sys->b_attenuate)
1462         {
1463             if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
1464             // black bar
1465             {
1466                     TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
1467                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1468                     for (i_index = 0; i_index < length; i_index++)
1469                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1470                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1471                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1472             }
1473             else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
1474             // black bar
1475                 {
1476                     TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
1477                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1478                     for (i_index = 0; i_index < length; i_index++)
1479                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1480                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1481                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1482                 }
1483         }
1484         else
1485         {
1486             if (p_vout->p_sys->i_row >= 2)
1487             {
1488                 length = 2 * p_vout->p_sys->i_halfHeight;
1489                 if (p_vout->p_sys->b_has_changed)
1490                 {
1491                     int i_plane_;
1492                     int i_row_mod;
1493                     Denom = F2(length);
1494                     a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1495                     a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1496                     a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1497                     for(i_row_mod = 0; i_row_mod < 2; i_row_mod++)
1498                       for (i_index = 0; i_index < length; i_index++)
1499                         for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1500                             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);
1501                 }
1502 // first blended zone
1503
1504             if (i_row)
1505             {
1506                 TopOffset = i_lines;
1507                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1508                 for (i_index = 0; i_index < length; i_index++)
1509                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1510 #ifndef GAMMA
1511                     *(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] *
1512                                  (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
1513 #else
1514                     *(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)];
1515 #endif
1516                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1517             }
1518             else if (p_vout->p_sys->i_row > 2)
1519             // black bar
1520             {
1521                 TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
1522                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1523                 for (i_index = 0; i_index < length; i_index++)
1524                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1525                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1526                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1527             }
1528
1529 // second blended zone
1530
1531             if (i_row + 1 < p_vout->p_sys->i_row)
1532             {
1533                 TopOffset = length;
1534                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1535                 for (i_index = 0; i_index < length; i_index++)
1536                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1537 #ifndef GAMMA
1538                     *(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] *
1539                                  (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
1540 #else
1541                     *(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)];
1542
1543 #endif
1544                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1545             }
1546             else if (p_vout->p_sys->i_row > 2)
1547             // black bar
1548             {
1549                 TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
1550                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1551                 for (i_index = 0; i_index < length; i_index++)
1552                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1553                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1554                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1555             }
1556 // end blended zone
1557             }
1558         }
1559 #endif
1560 // bug for wall filter : fix by CC
1561 //            pi_left_skip[i_plane] += i_out_pitch;
1562             pi_left_skip[i_plane] += i_copy_pitch;
1563             }
1564
1565             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1566                                 p_outpic );
1567             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1568                                  p_outpic );
1569             i_vout++;
1570         }
1571
1572         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1573         {
1574             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
1575                                      * p_pic->p[i_plane].i_lines
1576                                      / p_vout->output.i_height
1577                                      * p_pic->p[i_plane].i_pitch;
1578         }
1579     }
1580 #ifdef OVERLAP
1581     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1582 #endif
1583 }
1584
1585
1586 #ifdef PACKED_YUV
1587 // WARNING : NO DEBUGGED
1588 /*****************************************************************************
1589  * RenderPackedYUV: displays previously rendered output
1590  *****************************************************************************
1591  * This function send the currently rendered image to Wall image, waits
1592  * until it is displayed and switch the two rendering buffers, preparing next
1593  * frame.
1594  *****************************************************************************/
1595 static void RenderPackedYUV( vout_thread_t *p_vout, picture_t *p_pic )
1596 {
1597     picture_t *p_outpic = NULL;
1598     int i_col, i_row, i_vout, i_plane;
1599     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
1600 #ifdef OVERLAP
1601     int LeftOffset, TopOffset;
1602     int constantYUV[3] = {0,128,128};
1603     int Denom;
1604     int a_2;
1605     int a_1;
1606     int a_0;
1607     int i_index, i_index2;
1608 #endif
1609
1610
1611     i_vout = 0;
1612
1613     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1614     {
1615         pi_top_skip[i_plane] = 0;
1616     }
1617
1618     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1619     {
1620         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1621         {
1622             pi_left_skip[i_plane] = 0;
1623         }
1624
1625         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
1626         {
1627             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
1628             {
1629                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1630                 {
1631                     pi_left_skip[i_plane] +=
1632                         p_vout->p_sys->pp_vout[ i_vout ].i_width
1633                          * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
1634                 }
1635                 i_vout++;
1636                 continue;
1637             }
1638
1639             while( ( p_outpic =
1640                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1641                                     0, 0, 0 )
1642                    ) == NULL )
1643             {
1644                 if( !vlc_object_alive (p_vout) || p_vout->b_error )
1645                 {
1646                     vout_DestroyPicture(
1647                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
1648                     return;
1649                 }
1650
1651                 msleep( VOUT_OUTMEM_SLEEP );
1652             }
1653
1654             vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1655                               p_outpic, p_pic->date );
1656             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1657                               p_outpic );
1658
1659             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1660             {
1661                 uint8_t *p_in, *p_in_end, *p_out;
1662                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
1663                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
1664                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
1665
1666 #ifdef OVERLAP
1667                 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);
1668                 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);
1669                 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);
1670                 if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
1671                     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);
1672 // i_n : previous inactive pp_vout
1673                 int i_n=0;
1674                 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++;
1675                 if ((i_col > 1) && i_n)
1676                     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);
1677
1678                 p_in = p_pic->p[i_plane].p_pixels
1679                 /* Wall proprities */
1680                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1681
1682                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
1683 // 1088 lines bug in a mpeg2 stream of 1080 lines
1684                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1685                     (p_pic->p[i_plane].i_lines == 1088))
1686                         i_lines -= 8;
1687
1688                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1689 #else
1690                 p_in = p_pic->p[i_plane].p_pixels
1691                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1692
1693                 p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
1694                                         * p_pic->p[i_plane].i_pitch;
1695 #endif
1696                 p_out = p_outpic->p[i_plane].p_pixels;
1697 #ifdef OVERLAP
1698         int length;
1699         length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
1700         LeftOffset = (i_col ? 0 : i_copy_pitch - length);
1701         if (p_vout->p_sys->b_has_changed)
1702         {
1703 #ifdef GAMMA
1704             int i_plane_;
1705             for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1706                 for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1707                     for (i_index2 = 0; i_index2 < 256; i_index2++)
1708                             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_]));
1709 #endif
1710             switch (p_vout->output.i_chroma)
1711                 {
1712                     case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
1713                     case VLC_FOURCC('Y','U','N','V'):    // packed by 2
1714                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1715                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1716                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1717                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1718                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1719                         // for each macropixel
1720                         {
1721                                 // first image pixel
1722                                 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);
1723                                 p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[0]) / ACCURACY;
1724                                 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);
1725                                 p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[1]) / ACCURACY;
1726                                 // second image pixel
1727                                 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);
1728                                 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;
1729                                 p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
1730                                 p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
1731                         }
1732                         break;
1733                     case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
1734                     case VLC_FOURCC('U','Y','N','V'):    // packed by 2
1735                     case VLC_FOURCC('Y','4','2','2'):    // packed by 2
1736                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1737                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1738                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1739                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1740                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1741                         // for each macropixel
1742                         {
1743                                 // first image pixel
1744                                 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);
1745                                 p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1746                                 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);
1747                                 p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[0]) / ACCURACY;
1748                                 // second image pixel
1749                                 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);
1750                                 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;
1751                                 p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
1752                                 p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
1753                         }
1754                         break;
1755                     default :
1756                         break;
1757                 }
1758         }
1759 #endif
1760             while( p_in < p_in_end )
1761             {
1762 #ifndef OVERLAP
1763                 vlc_memcpy( p_out, p_in, i_copy_pitch);
1764 #else
1765                 vlc_memcpy( p_out + i_col * length, p_in + i_col * length, i_copy_pitch - length);
1766                 p_out += LeftOffset;
1767                 p_in += LeftOffset;
1768 #ifndef GAMMA
1769                 for (i_index = 0; i_index < length; i_index++)
1770                     *(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] *
1771                              (*(p_in + i_index))) / ACCURACY +
1772                              p_vout->p_sys->cstYUV[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch];
1773 #else
1774                 for (i_index = 0; i_index < length; i_index++)
1775                     *(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] *
1776                              (*(p_in + i_index))) / ACCURACY +
1777                              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];
1778 #endif
1779                 p_out -= LeftOffset;
1780                 p_in -= LeftOffset;
1781 #endif
1782                 p_in += i_in_pitch;
1783                 p_out += i_out_pitch;
1784             }
1785 #ifdef OVERLAP
1786             if (p_vout->p_sys->i_row == 2)
1787             {
1788                         length = 2 * p_vout->p_sys->i_halfHeight * p_pic->p->i_pixel_pitch;
1789                         TopOffset = (i_row ? i_lines : length / p_pic->p->i_pixel_pitch);
1790                         if (p_vout->p_sys->b_has_changed)
1791                         {
1792 #ifdef GAMMA
1793                                 int i_plane_;
1794                                 for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1795                                     for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1796                                         for (i_index2 = 0; i_index2 < 256; i_index2++)
1797                                                 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_]));
1798 #endif
1799                                 switch (p_vout->output.i_chroma)
1800                                 {
1801                                     case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
1802                                     case VLC_FOURCC('Y','U','N','V'):    // packed by 2
1803                                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1804                                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1805                                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
1806                                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1807                                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1808                                         // for each macropixel
1809                                         {
1810                                                 // first image pixel
1811                                                 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);
1812                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][0][i_index]) * constantYUV[0]) / ACCURACY;
1813                                                 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);
1814                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][1][i_index]) * constantYUV[1]) / ACCURACY;
1815                                                 // second image pixel
1816                                                 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);
1817                                                 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;
1818                                                 p_vout->p_sys->lambda2[i_row][1][i_index + 1] = p_vout->p_sys->lambda2[i_row][1][i_index];
1819                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index + 1] = p_vout->p_sys->cstYUV2[i_row][1][i_index];
1820                                         }
1821                                         break;
1822                                     case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
1823                                     case VLC_FOURCC('U','Y','N','V'):    // packed by 2
1824                                     case VLC_FOURCC('Y','4','2','2'):    // packed by 2
1825                                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1826                                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1827                                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
1828                                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1829                                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1830                                         // for each macropixel
1831                                         {
1832                                                 // first image pixel
1833                                                 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);
1834                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1835                                                 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);
1836                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][1][i_index]) * constantYUV[0]) / ACCURACY;
1837                                                 // second image pixel
1838                                                 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);
1839                                                 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;
1840                                                 p_vout->p_sys->lambda2[i_row][1][i_index + 1] = p_vout->p_sys->lambda2[i_row][1][i_index];
1841                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index + 1] = p_vout->p_sys->cstYUV2[i_row][1][i_index];
1842                                         }
1843                                         break;
1844                                     default :
1845                                         break;
1846                                 }
1847                         }
1848                         p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1849 #ifndef GAMMA
1850                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1851                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1852                                 *(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] *
1853                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1854                                      p_vout->p_sys->cstYUV2[i_row][i_index2 % p_pic->p->i_pixel_pitch][i_index];
1855 #else
1856                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1857                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1858                                 *(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] *
1859                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1860                                      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];
1861
1862 #endif
1863                         p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1864             }
1865 #endif
1866 // bug for wall filter : fix by CC
1867 //            pi_left_skip[i_plane] += i_out_pitch;
1868             pi_left_skip[i_plane] += i_copy_pitch;
1869             }
1870
1871             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1872                                 p_outpic );
1873             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1874                                  p_outpic );
1875             i_vout++;
1876         }
1877
1878         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1879         {
1880             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
1881                                      * p_pic->p[i_plane].i_lines
1882                                      / p_vout->output.i_height
1883                                      * p_pic->p[i_plane].i_pitch;
1884         }
1885     }
1886 #ifdef OVERLAP
1887     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1888 #endif
1889 }
1890 #endif
1891
1892
1893 /*****************************************************************************
1894  * RemoveAllVout: destroy all the child video output threads
1895  *****************************************************************************/
1896 static void RemoveAllVout( vout_thread_t *p_vout )
1897 {
1898     while( p_vout->p_sys->i_vout )
1899     {
1900          --p_vout->p_sys->i_vout;
1901          if( p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active )
1902          {
1903              DEL_CALLBACKS(
1904                  p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout,
1905                  SendEvents );
1906              vout_CloseAndRelease( p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout );
1907          }
1908     }
1909 }
1910
1911 /*****************************************************************************
1912  * SendEvents: forward mouse and keyboard events to the parent p_vout
1913  *****************************************************************************/
1914 static int SendEvents( vlc_object_t *p_this, char const *psz_var,
1915                        vlc_value_t oldval, vlc_value_t newval, void *_p_vout )
1916 {
1917     VLC_UNUSED(oldval);
1918     vout_thread_t *p_vout = (vout_thread_t *)_p_vout;
1919     int i_vout;
1920     vlc_value_t sentval = newval;
1921
1922     /* Find the video output index */
1923     for( i_vout = 0; i_vout < p_vout->p_sys->i_vout; i_vout++ )
1924     {
1925         if( p_this == (vlc_object_t *)p_vout->p_sys->pp_vout[ i_vout ].p_vout )
1926         {
1927             break;
1928         }
1929     }
1930
1931     if( i_vout == p_vout->p_sys->i_vout )
1932     {
1933         return VLC_EGENERIC;
1934     }
1935
1936     /* Translate the mouse coordinates */
1937     if( !strcmp( psz_var, "mouse-x" ) )
1938     {
1939 #ifdef OVERLAP
1940         int i_overlap = ((p_vout->p_sys->i_col > 2) ? 0 : 2 * p_vout->p_sys->i_halfLength);
1941            sentval.i_int += (p_vout->output.i_width - i_overlap)
1942 #else
1943            sentval.i_int += p_vout->output.i_width
1944 #endif
1945                          * (i_vout % p_vout->p_sys->i_col)
1946                           / p_vout->p_sys->i_col;
1947     }
1948     else if( !strcmp( psz_var, "mouse-y" ) )
1949     {
1950 #ifdef OVERLAP
1951         int i_overlap = ((p_vout->p_sys->i_row > 2) ? 0 : 2 * p_vout->p_sys->i_halfHeight);
1952            sentval.i_int += (p_vout->output.i_height - i_overlap)
1953 #else
1954            sentval.i_int += p_vout->output.i_height
1955 #endif
1956 //bug fix in Wall plug-in
1957 //                         * (i_vout / p_vout->p_sys->i_row)
1958                          * (i_vout / p_vout->p_sys->i_col)
1959                           / p_vout->p_sys->i_row;
1960     }
1961
1962     var_Set( p_vout, psz_var, sentval );
1963
1964     return VLC_SUCCESS;
1965 }
1966
1967 /*****************************************************************************
1968  * SendEventsToChild: forward events to the child/children vout
1969  *****************************************************************************/
1970 static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var,
1971                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1972 {
1973     VLC_UNUSED(oldval); VLC_UNUSED(p_data);
1974     vout_thread_t *p_vout = (vout_thread_t *)p_this;
1975     int i_row, i_col, i_vout = 0;
1976
1977     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1978     {
1979         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
1980         {
1981             var_Set( p_vout->p_sys->pp_vout[ i_vout ].p_vout, psz_var, newval);
1982             if( !strcmp( psz_var, "fullscreen" ) ) break;
1983             i_vout++;
1984         }
1985     }
1986
1987     return VLC_SUCCESS;
1988 }