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 #include <assert.h>
  37
  38 #include "filter_common.h"
  39
  40 // add by cedric.cocquebert@supelec.fr
  41 #define OVERLAP        2350
  42 #ifdef OVERLAP
  43     #include <math.h>
  44     // OS CODE DEPENDENT to get display dimensions
  45     #ifdef WIN32
  46         #include <windows.h>
  47     #else
  48         #include <X11/Xlib.h>
  49     #endif
  50     #define GAMMA        1
  51 //  #define PACKED_YUV    1
  52     #define F2(a) ((a)*(a))
  53     #define F4(a,b,x) ((a)*(F2(x))+((b)*(x)))
  54     #define ACCURACY 1000
  55     #define RATIO_MAX 2500
  56     #define CLIP_01(a) (a < 0.0 ? 0.0 : (a > 1.0 ? 1.0 : a))
  57 //    #define CLIP_0A(a) (a < 0.0 ? 0.0 : (a > ACCURACY ? ACCURACY : a))
  58 #endif
  59
  60 /*****************************************************************************
  61  * Local prototypes
  62  *****************************************************************************/
  63 static int  Create    ( vlc_object_t * );
  64 static void Destroy   ( vlc_object_t * );
  65
  66 static int  Init      ( vout_thread_t * );
  67 static void End       ( vout_thread_t * );
  68 #ifdef PACKED_YUV
  69 static void RenderPackedYUV   ( vout_thread_t *, picture_t * );
  70 #endif
  71 static void RenderPlanarYUV   ( vout_thread_t *, picture_t * );
  72 static void RenderPackedRGB   ( vout_thread_t *, picture_t * );
  73
  74 static void RemoveAllVout  ( vout_thread_t *p_vout );
  75
  76 static int  MouseEvent( vlc_object_t *, char const *,
  77                         vlc_value_t, vlc_value_t, void * );
  78 static int  FullscreenEventUp( vlc_object_t *, char const *,
  79                                vlc_value_t, vlc_value_t, void * );
  80 static int  FullscreenEventDown( vlc_object_t *, char const *,
  81                                  vlc_value_t, vlc_value_t, void * );
  82
  83 /*****************************************************************************
  84  * Module descriptor
  85  *****************************************************************************/
  86 #define COLS_TEXT N_("Number of columns")
  87 #define COLS_LONGTEXT N_("Select the number of horizontal video windows in " \
  88     "which to split the video")
  89
  90 #define ROWS_TEXT N_("Number of rows")
  91 #define ROWS_LONGTEXT N_("Select the number of vertical video windows in " \
  92     "which to split the video")
  93
  94 #define ACTIVE_TEXT N_("Active windows")
  95 #define ACTIVE_LONGTEXT N_("Comma separated list of active windows, " \
  96     "defaults to all")
  97
  98 #define CFG_PREFIX "panoramix-"
  99
 100 vlc_module_begin ()
 101     set_description( N_("Panoramix: wall with overlap video filter") )
 102     set_shortname( N_("Panoramix" ))
 103     set_capability( "video filter", 0 )
 104     set_category( CAT_VIDEO )
 105     set_subcategory( SUBCAT_VIDEO_VFILTER )
 106
 107     add_integer( CFG_PREFIX "cols", -1, NULL,
 108                  COLS_TEXT, COLS_LONGTEXT, true )
 109     add_integer( CFG_PREFIX "rows", -1, NULL,
 110                  ROWS_TEXT, ROWS_LONGTEXT, true )
 111
 112 #ifdef OVERLAP
 113 #define OFFSET_X_TEXT N_("Offset X offset (automatic compensation)")
 114 #define OFFSET_X_LONGTEXT N_("Select if you want an automatic offset in horizontal (in case of misalignment due to autoratio control)")
 115     add_bool( CFG_PREFIX "offset-x", 1, NULL, OFFSET_X_TEXT, OFFSET_X_LONGTEXT, true )
 116
 117 #define LENGTH_TEXT N_("length of the overlapping area (in %)")
 118 #define LENGTH_LONGTEXT N_("Select in percent the length of the blended zone")
 119     add_integer_with_range( CFG_PREFIX "bz-length", 100, 0, 100, NULL, LENGTH_TEXT, LENGTH_LONGTEXT, true )
 120
 121 #define HEIGHT_TEXT N_("height of the overlapping area (in %)")
 122 #define HEIGHT_LONGTEXT N_("Select in percent the height of the blended zone (case of 2x2 wall)")
 123     add_integer_with_range( CFG_PREFIX "bz-height", 100, 0, 100, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, true )
 124
 125 #define ATTENUATION_TEXT N_("Attenuation")
 126 #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)")
 127     add_bool( CFG_PREFIX "attenuate", 1, NULL, ATTENUATION_TEXT, ATTENUATION_LONGTEXT, false )
 128
 129 #define BEGIN_TEXT N_("Attenuation, begin (in %)")
 130 #define BEGIN_LONGTEXT N_("Select in percent the Lagrange coeff of the beginning blended zone")
 131     add_integer_with_range( CFG_PREFIX "bz-begin", 0, 0, 100, NULL, BEGIN_TEXT, BEGIN_LONGTEXT, true )
 132
 133 #define MIDDLE_TEXT N_("Attenuation, middle (in %)")
 134 #define MIDDLE_LONGTEXT N_("Select in percent the Lagrange coeff of the middle of blended zone")
 135     add_integer_with_range( CFG_PREFIX "bz-middle", 50, 0, 100, NULL, MIDDLE_TEXT, MIDDLE_LONGTEXT, false )
 136
 137 #define END_TEXT N_("Attenuation, end (in %)")
 138 #define END_LONGTEXT N_("Select in percent the Lagrange coeff of the end of blended zone")
 139     add_integer_with_range( CFG_PREFIX "bz-end", 100, 0, 100, NULL, END_TEXT, END_LONGTEXT, true )
 140
 141 #define MIDDLE_POS_TEXT N_("middle position (in %)")
 142 #define MIDDLE_POS_LONGTEXT N_("Select in percent (50 is center) the position of the middle point (Lagrange) of blended zone")
 143     add_integer_with_range( CFG_PREFIX "bz-middle-pos", 50, 1, 99, NULL, MIDDLE_POS_TEXT, MIDDLE_POS_LONGTEXT, false )
 144 #ifdef GAMMA
 145 #define RGAMMA_TEXT N_("Gamma (Red) correction")
 146 #define RGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Red or Y component)")
 147     add_float_with_range( CFG_PREFIX "bz-gamma-red", 1, 0, 5, NULL, RGAMMA_TEXT, RGAMMA_LONGTEXT, true )
 148
 149 #define GGAMMA_TEXT N_("Gamma (Green) correction")
 150 #define GGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Green or U component)")
 151     add_float_with_range( CFG_PREFIX "bz-gamma-green", 1, 0, 5, NULL, GGAMMA_TEXT, GGAMMA_LONGTEXT, true )
 152
 153 #define BGAMMA_TEXT N_("Gamma (Blue) correction")
 154 #define BGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Blue or V component)")
 155     add_float_with_range( CFG_PREFIX "bz-gamma-blue", 1, 0, 5, NULL, BGAMMA_TEXT, BGAMMA_LONGTEXT, true )
 156 #endif
 157 #define RGAMMA_BC_TEXT N_("Black Crush for Red")
 158 #define RGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Red or Y component)")
 159 #define GGAMMA_BC_TEXT N_("Black Crush for Green")
 160 #define GGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Green or U component)")
 161 #define BGAMMA_BC_TEXT N_("Black Crush for Blue")
 162 #define BGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Blue or V component)")
 163
 164 #define RGAMMA_WC_TEXT N_("White Crush for Red")
 165 #define RGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Red or Y component)")
 166 #define GGAMMA_WC_TEXT N_("White Crush for Green")
 167 #define GGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Green or U component)")
 168 #define BGAMMA_WC_TEXT N_("White Crush for Blue")
 169 #define BGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Blue or V component)")
 170
 171 #define RGAMMA_BL_TEXT N_("Black Level for Red")
 172 #define RGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Red or Y component)")
 173 #define GGAMMA_BL_TEXT N_("Black Level for Green")
 174 #define GGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Green or U component)")
 175 #define BGAMMA_BL_TEXT N_("Black Level for Blue")
 176 #define BGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Blue or V component)")
 177
 178 #define RGAMMA_WL_TEXT N_("White Level for Red")
 179 #define RGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Red or Y component)")
 180 #define GGAMMA_WL_TEXT N_("White Level for Green")
 181 #define GGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Green or U component)")
 182 #define BGAMMA_WL_TEXT N_("White Level for Blue")
 183 #define BGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Blue or V component)")
 184     add_integer_with_range( CFG_PREFIX "bz-blackcrush-red", 140, 0, 255, NULL, RGAMMA_BC_TEXT, RGAMMA_BC_LONGTEXT, true )
 185     add_integer_with_range( CFG_PREFIX "bz-blackcrush-green", 140, 0, 255, NULL, GGAMMA_BC_TEXT, GGAMMA_BC_LONGTEXT, true )
 186     add_integer_with_range( CFG_PREFIX "bz-blackcrush-blue", 140, 0, 255, NULL, BGAMMA_BC_TEXT, BGAMMA_BC_LONGTEXT, true )
 187     add_integer_with_range( CFG_PREFIX "bz-whitecrush-red", 200, 0, 255, NULL, RGAMMA_WC_TEXT, RGAMMA_WC_LONGTEXT, true )
 188     add_integer_with_range( CFG_PREFIX "bz-whitecrush-green", 200, 0, 255, NULL, GGAMMA_WC_TEXT, GGAMMA_WC_LONGTEXT, true )
 189     add_integer_with_range( CFG_PREFIX "bz-whitecrush-blue", 200, 0, 255, NULL, BGAMMA_WC_TEXT, BGAMMA_WC_LONGTEXT, true )
 190     add_integer_with_range( CFG_PREFIX "bz-blacklevel-red", 150, 0, 255, NULL, RGAMMA_BL_TEXT, RGAMMA_BL_LONGTEXT, true )
 191     add_integer_with_range( CFG_PREFIX "bz-blacklevel-green", 150, 0, 255, NULL, GGAMMA_BL_TEXT, GGAMMA_BL_LONGTEXT, true )
 192     add_integer_with_range( CFG_PREFIX "bz-blacklevel-blue", 150, 0, 255, NULL, BGAMMA_BL_TEXT, BGAMMA_BL_LONGTEXT, true )
 193     add_integer_with_range( CFG_PREFIX "bz-whitelevel-red", 0, 0, 255, NULL, RGAMMA_WL_TEXT, RGAMMA_WL_LONGTEXT, true )
 194     add_integer_with_range( CFG_PREFIX "bz-whitelevel-green", 0, 0, 255, NULL, GGAMMA_WL_TEXT, GGAMMA_WL_LONGTEXT, true )
 195     add_integer_with_range( CFG_PREFIX "bz-whitelevel-blue", 0, 0, 255, NULL, BGAMMA_WL_TEXT, BGAMMA_WL_LONGTEXT, true )
 196 #ifndef WIN32
 197 #define XINERAMA_TEXT N_("Xinerama option")
 198 #define XINERAMA_LONGTEXT N_("Uncheck if you have not used xinerama")
 199     add_bool( CFG_PREFIX "xinerama", 1, NULL, XINERAMA_TEXT, XINERAMA_LONGTEXT, true )
 200 #endif
 201 #endif
 202
 203     add_string( CFG_PREFIX "active", NULL, NULL, ACTIVE_TEXT, ACTIVE_LONGTEXT, true )
 204
 205     add_shortcut( "panoramix" )
 206     set_callbacks( Create, Destroy )
 207 vlc_module_end ()
 208
 209 static const char *const ppsz_filter_options[] = {
 210     "cols", "rows", "offset-x", "bz-length", "bz-height", "attenuate",
 211     "bz-begin", "bz-middle", "bz-end", "bz-middle-pos", "bz-gamma-red",
 212     "bz-gamma-green", "bz-gamma-blue", "bz-blackcrush-red",
 213     "bz-blackcrush-green", "bz-blackcrush-blue", "bz-whitecrush-red",
 214     "bz-whitecrush-green", "bz-whitecrush-blue", "bz-blacklevel-red",
 215     "bz-blacklevel-green", "bz-blacklevel-blue", "bz-whitelevel-red",
 216     "bz-whitelevel-green", "bz-whitelevel-blue", "xinerama", "active",
 217     NULL
 218 };
 219
 220 /*****************************************************************************
 221  * vout_sys_t: Wall video output method descriptor
 222  *****************************************************************************
 223  * This structure is part of the video output thread descriptor.
 224  * It describes the Wall specific properties of an output thread.
 225  *****************************************************************************/
 226 struct vout_sys_t
 227 {
 228 #ifdef OVERLAP
 229     bool   b_autocrop;
 230     bool   b_attenuate;
 231     unsigned int bz_length, bz_height, bz_begin, bz_middle, bz_end, bz_middle_pos;
 232     unsigned int i_ratio_max;
 233     unsigned int i_ratio;
 234     unsigned int a_0, a_1, a_2;
 235     bool     b_has_changed;
 236     int lambda[2][VOUT_MAX_PLANES][500];
 237     int cstYUV[2][VOUT_MAX_PLANES][500];
 238     int lambda2[2][VOUT_MAX_PLANES][500];
 239     int cstYUV2[2][VOUT_MAX_PLANES][500];
 240     unsigned int i_halfLength;
 241     unsigned int i_halfHeight;
 242     int i_offset_x;
 243     int i_offset_y;
 244 #ifdef GAMMA
 245     float        f_gamma_red, f_gamma_green, f_gamma_blue;
 246     float         f_gamma[VOUT_MAX_PLANES];
 247     uint8_t         LUT[VOUT_MAX_PLANES][ACCURACY + 1][256];
 248 #ifdef PACKED_YUV
 249     uint8_t         LUT2[VOUT_MAX_PLANES][256][500];
 250 #endif
 251 #endif
 252 #ifndef WIN32
 253     bool   b_xinerama;
 254 #endif
 255 #endif
 256     int    i_col;
 257     int    i_row;
 258     int    i_vout;
 259     struct vout_list_t
 260     {
 261         bool b_active;
 262         int i_width;
 263         int i_height;
 264         vout_thread_t *p_vout;
 265     } *pp_vout;
 266 };
 267
 268
 269
 270 /*****************************************************************************
 271  * Control: control facility for the vout (forwards to child vout)
 272  *****************************************************************************/
 273 static int Control( vout_thread_t *p_vout, int i_query, va_list args )
 274 {
 275     int i_row, i_col, i_vout = 0;
 276
 277     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 278     {
 279         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
 280         {
 281             vout_vaControl( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
 282                             i_query, args );
 283             i_vout++;
 284         }
 285     }
 286     return VLC_SUCCESS;
 287 }
 288
 289 /*****************************************************************************
 290  * Create: allocates Wall video thread output method
 291  *****************************************************************************
 292  * This function allocates and initializes a Wall vout method.
 293  *****************************************************************************/
 294 static int Create( vlc_object_t *p_this )
 295 {
 296     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 297     char *psz_method, *psz_tmp, *psz_method_tmp;
 298     int i_vout;
 299
 300     /* Allocate structure */
 301     p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
 302     if( p_vout->p_sys == NULL )
 303         return VLC_ENOMEM;
 304
 305     p_vout->pf_init = Init;
 306     p_vout->pf_end = End;
 307     p_vout->pf_manage = NULL;
 308 /* Color Format not supported
 309 // Planar Y, packed UV
 310 case VLC_CODEC_YMGA:
 311 // Packed YUV 4:2:2, U:Y:V:Y, interlaced
 312 case VLC_FOURCC('I','U','Y','V'):    // packed by 2
 313 // Packed YUV 2:1:1, Y:U:Y:V
 314 case VLC_CODEC_Y211:     // packed by 4
 315 // Packed YUV Reverted
 316 case VLC_CODEC_CYUV:    // packed by 2
 317 */
 318     switch (p_vout->render.i_chroma)
 319     {
 320     // planar YUV
 321         case VLC_CODEC_I444:
 322         case VLC_CODEC_I422:
 323         case VLC_CODEC_I420:
 324         case VLC_CODEC_YV12:
 325         case VLC_CODEC_I411:
 326         case VLC_CODEC_I410:
 327         case VLC_CODEC_YUVA:
 328             p_vout->pf_render = RenderPlanarYUV;
 329             break;
 330     // packed RGB
 331         case VLC_CODEC_RGB8:    // packed by 1
 332         case VLC_CODEC_RGB15:    // packed by 2
 333         case VLC_CODEC_RGB16:    // packed by 2
 334         case VLC_CODEC_RGB24:    // packed by 3
 335         case VLC_CODEC_RGB32:    // packed by 4
 336             p_vout->pf_render = RenderPackedRGB;
 337             break;
 338 #ifdef PACKED_YUV
 339     // packed YUV
 340         case VLC_CODEC_YUYV:    // packed by 2
 341         case VLC_CODEC_UYVY:    // 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 WIN32
 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_CreateGetBool( 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_CreateGetBool( 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 WIN32
 415     p_vout->p_sys->b_xinerama = var_CreateGetBool( 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 = calloc( 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     {
 509         return pow(f_Input, 1.0 / f_Gamma[i_plane]);
 510     }
 511     else if (f_component >= f_WhiteCrush[i_plane])
 512     {
 513         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);
 514         return pow(f_Input, 1.0 / f_Gamma[i_plane]);
 515     }
 516     else
 517     {
 518         return 1.0;
 519     }
 520 }
 521
 522 #ifdef PACKED_YUV
 523
 524 /*****************************************************************************
 525  * F: Function to calculate Gamma correction
 526  *****************************************************************************/
 527 static uint8_t F(uint8_t i, float gamma)
 528 {
 529     double input = (double) i / 255.0;
 530
 531     // return clip(255 * pow(input, 1.0 / gamma));
 532
 533     if (input < 0.5)
 534         return clip_uint8((255 * pow(2 * input, gamma)) / 2);
 535     else
 536         return clip_uint8(255 * (1 - pow(2 * (1 - input), gamma) / 2));
 537 }
 538 #endif
 539 #endif
 540
 541 /*****************************************************************************
 542  * AdjustHeight: ajust p_sys->i_height to have same BZ width for any ratio
 543  *****************************************************************************/
 544 static int AdjustHeight( vout_thread_t *p_vout )
 545 {
 546     bool b_fullscreen = p_vout->b_fullscreen;
 547     int i_window_width = p_vout->i_window_width;
 548     int i_window_height = p_vout->i_window_height;
 549     double d_halfLength = 0;
 550     double d_halfLength_crop;
 551     double d_halfLength_calculated;
 552     int    i_offset = 0;
 553
 554     // OS DEPENDENT CODE to get display dimensions
 555     if (b_fullscreen )
 556     {
 557 #ifdef WIN32
 558         i_window_width  = GetSystemMetrics(SM_CXSCREEN);
 559         i_window_height = GetSystemMetrics(SM_CYSCREEN);
 560 #else
 561         char *psz_display = var_CreateGetNonEmptyString( p_vout,
 562                                                         "x11-display" );
 563         Display *p_display = XOpenDisplay( psz_display );
 564         free( psz_display );
 565         if (p_vout->p_sys->b_xinerama)
 566         {
 567             i_window_width = DisplayWidth(p_display, 0) / p_vout->p_sys->i_col;
 568             i_window_height = DisplayHeight(p_display, 0) / p_vout->p_sys->i_row;
 569         }
 570         else
 571         {
 572             i_window_width = DisplayWidth(p_display, 0);
 573             i_window_height = DisplayHeight(p_display, 0);
 574         }
 575         XCloseDisplay( p_display );
 576 #endif
 577         var_SetInteger( p_vout, "width", i_window_width);
 578         var_SetInteger( p_vout, "height", i_window_height);
 579         p_vout->i_window_width = i_window_width;
 580         p_vout->i_window_height = i_window_height;
 581     }
 582
 583     if( p_vout->p_sys->bz_length)
 584         if ((!p_vout->p_sys->b_autocrop) && (!p_vout->p_sys->i_ratio))
 585         {
 586             if ((p_vout->p_sys->i_row > 1) || (p_vout->p_sys->i_col > 1))
 587             {
 588                 while ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col)))
 589                 {
 590                     if (p_vout->p_sys->bz_length >= 50)
 591                     {
 592                         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);
 593                     }
 594                     else
 595                     {
 596                         d_halfLength = (p_vout->render.i_width * p_vout->p_sys->bz_length) / (100.0 * p_vout->p_sys->i_col);
 597                         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);
 598                     }
 599                     if ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col)))
 600                         p_vout->p_sys->i_row--;
 601                     if (p_vout->p_sys->i_row < 1 )
 602                     {
 603                         p_vout->p_sys->i_row = 1;
 604                         break;
 605                     }
 606                 }
 607                 p_vout->p_sys->i_halfLength = (d_halfLength + 0.5);
 608                 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;
 609                 var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
 610                 var_SetInteger( p_vout, "panoramix-rows", p_vout->p_sys->i_row);
 611             }
 612         }
 613         else
 614         {
 615             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;
 616             d_halfLength_crop = d_halfLength * VOUT_ASPECT_FACTOR * (double)p_vout->output.i_width
 617                         / (double)i_window_height / (double)p_vout->render.i_aspect;
 618             p_vout->p_sys->i_halfLength = (d_halfLength_crop + 0.5);
 619             d_halfLength_calculated = p_vout->p_sys->i_halfLength * (double)i_window_height *
 620                                 (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width;
 621
 622             if (!p_vout->p_sys->b_attenuate)
 623             {
 624                 double d_bz_length = (p_vout->p_sys->i_halfLength * p_vout->p_sys->i_col * 100.0) / p_vout->render.i_width;
 625                 // F(2x) != 2F(x) in opengl module
 626                 if (p_vout->p_sys->i_col == 2) d_bz_length = (100.0 * d_bz_length) / (100.0 - d_bz_length) ;
 627                 var_SetInteger( p_vout, "bz-length", (int)(d_bz_length + 0.5));
 628             }
 629             i_offset =  (int)d_halfLength - (int)
 630                         (p_vout->p_sys->i_halfLength * (double)i_window_height *
 631                         (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width);
 632         }
 633     else
 634         p_vout->p_sys->i_halfLength = 0;
 635
 636     return i_offset;
 637 }
 638 #endif
 639
 640
 641 /*****************************************************************************
 642  * Init: initialize Wall video thread output method
 643  *****************************************************************************/
 644 #define VLC_XCHG( type, a, b ) do { type __tmp = (b); (b) = (a); (a) = __tmp; } while(0)
 645
 646 static int Init( vout_thread_t *p_vout )
 647 {
 648     int i_index, i_row, i_col;
 649
 650     I_OUTPUTPICTURES = 0;
 651
 652     /* Initialize the output structure */
 653     p_vout->output.i_chroma = p_vout->render.i_chroma;
 654     p_vout->output.i_width  = p_vout->render.i_width;
 655     p_vout->output.i_height = p_vout->render.i_height;
 656     p_vout->output.i_aspect = p_vout->render.i_aspect;
 657 #ifdef OVERLAP
 658     p_vout->p_sys->b_has_changed = p_vout->p_sys->b_attenuate;
 659     int i_video_x = var_GetInteger( p_vout, "video-x");
 660     int i_video_y = var_GetInteger( p_vout, "video-y");
 661 #ifdef GAMMA
 662     if (p_vout->p_sys->b_attenuate)
 663     {
 664         int i_index2, i_plane;
 665         int constantYUV[3] = {0,128,128};
 666         float    f_BlackCrush[VOUT_MAX_PLANES];
 667         float    f_BlackLevel[VOUT_MAX_PLANES];
 668         float    f_WhiteCrush[VOUT_MAX_PLANES];
 669         float    f_WhiteLevel[VOUT_MAX_PLANES];
 670         p_vout->p_sys->f_gamma[0] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
 671         p_vout->p_sys->f_gamma[1] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
 672         p_vout->p_sys->f_gamma[2] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
 673         f_BlackCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-red" ) / 255.0;
 674         f_BlackCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-green" ) / 255.0;
 675         f_BlackCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-blue" ) / 255.0;
 676         f_WhiteCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-red" ) / 255.0;
 677         f_WhiteCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-green" ) / 255.0;
 678         f_WhiteCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-blue" ) / 255.0;
 679         f_BlackLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-red" ) / 255.0;
 680         f_BlackLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-green" ) / 255.0;
 681         f_BlackLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-blue" ) / 255.0;
 682         f_WhiteLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-red" ) / 255.0;
 683         f_WhiteLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-green" ) / 255.0;
 684         f_WhiteLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-blue" ) / 255.0;
 685         for( int i = 3; i < VOUT_MAX_PLANES; i++ )
 686         {
 687             /* Initialize unsupported planes */
 688             f_BlackCrush[i] = 140.0/255.0;
 689             f_WhiteCrush[i] = 200.0/255.0;
 690             f_BlackLevel[i] = 150.0/255.0;
 691             f_WhiteLevel[i] = 0.0/255.0;
 692             p_vout->p_sys->f_gamma[i] = 1.0;
 693         }
 694
 695         switch (p_vout->render.i_chroma)
 696         {
 697         // planar YVU
 698             case VLC_CODEC_YV12:
 699         // packed UYV
 700             case VLC_CODEC_UYVY:    // packed by 2
 701     //        case VLC_CODEC_CYUV:    // packed by 2
 702                 VLC_XCHG( float, p_vout->p_sys->f_gamma[1], p_vout->p_sys->f_gamma[2] );
 703                 VLC_XCHG( float, f_BlackCrush[1], f_BlackCrush[2] );
 704                 VLC_XCHG( float, f_WhiteCrush[1], f_WhiteCrush[2] );
 705                 VLC_XCHG( float, f_BlackLevel[1], f_BlackLevel[2] );
 706                 VLC_XCHG( float, f_WhiteLevel[1], f_WhiteLevel[2] );
 707         // planar YUV
 708             case VLC_CODEC_I444:
 709             case VLC_CODEC_I422:
 710             case VLC_CODEC_I420:
 711             case VLC_CODEC_I411:
 712             case VLC_CODEC_I410:
 713             case VLC_CODEC_YUVA:
 714         // packed YUV
 715             case VLC_CODEC_YUYV:    // packed by 2
 716                 for (i_index = 0; i_index < 256; i_index++)
 717                     for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
 718                         for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
 719                         {
 720                             float f_lut = CLIP_01(1.0 -
 721                                      ((ACCURACY - (float)i_index2)
 722                                      * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
 723                                      / (ACCURACY - 1)));
 724                             p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index + (int)((1.0 - f_lut) * (float)constantYUV[i_plane]);
 725                         }
 726                 break;
 727         // packed RGB
 728             case VLC_CODEC_RGB8:    // packed by 1
 729             case VLC_CODEC_RGB15:    // packed by 2
 730             case VLC_CODEC_RGB16:    // packed by 2
 731             case VLC_CODEC_RGB24:    // packed by 3
 732             case VLC_CODEC_RGB32:    // packed by 4
 733             for (i_index = 0; i_index < 256; i_index++)
 734                     for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
 735                         for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
 736                         {
 737                             float f_lut = CLIP_01(1.0 -
 738                                      ((ACCURACY - (float)i_index2)
 739                                      * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
 740                                      / (ACCURACY - 1)));
 741                             p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index;
 742                         }
 743                 break;
 744             default:
 745                 msg_Err( p_vout, "colorspace not supported by plug-in !!!");
 746                 free( p_vout->p_sys );
 747                 return VLC_ENOMEM;
 748         }
 749     }
 750 #endif
 751     if (p_vout->p_sys->i_offset_x)
 752         p_vout->p_sys->i_offset_x = AdjustHeight(p_vout);
 753     else
 754         AdjustHeight(p_vout);
 755     if (p_vout->p_sys->i_row >= 2)
 756     {
 757         p_vout->p_sys->i_halfHeight = (p_vout->p_sys->i_halfLength * p_vout->p_sys->bz_height) / 100;
 758         p_vout->p_sys->i_halfHeight -= (p_vout->p_sys->i_halfHeight % 2);
 759     }
 760 #endif
 761
 762     /* Try to open the real video output */
 763     msg_Dbg( p_vout, "spawning the real video outputs" );
 764
 765     /* FIXME: use bresenham instead of those ugly divisions */
 766     p_vout->p_sys->i_vout = 0;
 767     for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 768     {
 769         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++, p_vout->p_sys->i_vout++ )
 770         {
 771             struct vout_list_t *p_entry = &p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ];
 772             video_format_t fmt;
 773             int i_width, i_height;
 774
 775             /* */
 776             i_width = ( p_vout->render.i_width / p_vout->p_sys->i_col ) & ~0x1;
 777             if( i_col + 1 == p_vout->p_sys->i_col )
 778                 i_width = p_vout->render.i_width - i_col * i_width;
 779
 780 #ifdef OVERLAP
 781             i_width += p_vout->p_sys->i_halfLength;
 782             if (p_vout->p_sys->i_col > 2 )
 783                 i_width += p_vout->p_sys->i_halfLength;
 784             i_width &= ~0x1;
 785 #endif
 786
 787             /* */
 788             i_height = ( p_vout->render.i_height / p_vout->p_sys->i_row ) & ~0x3;
 789             if( i_row + 1 == p_vout->p_sys->i_row )
 790                 i_height = p_vout->render.i_height - i_row * i_height;
 791 #ifdef OVERLAP
 792             if(p_vout->p_sys->i_row >= 2 )
 793             {
 794                 i_height += p_vout->p_sys->i_halfHeight;
 795                 if( p_vout->p_sys->i_row > 2 )
 796                     i_height += p_vout->p_sys->i_halfHeight;
 797             }
 798             i_height &= ~0x1;
 799 #endif
 800             p_entry->i_width = i_width;
 801             p_entry->i_height = i_height;
 802
 803             if( !p_entry->b_active )
 804                 continue;
 805
 806             /* */
 807             memset( &fmt, 0, sizeof(video_format_t) );
 808             fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
 809             fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
 810             fmt.i_x_offset = fmt.i_y_offset = 0;
 811             fmt.i_chroma = p_vout->render.i_chroma;
 812             fmt.i_aspect = p_vout->render.i_aspect;
 813             fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
 814             fmt.i_sar_den = VOUT_ASPECT_FACTOR;
 815             fmt.i_width = fmt.i_visible_width = i_width;
 816             fmt.i_height = fmt.i_visible_height = i_height;
 817             fmt.i_aspect = p_vout->render.i_aspect
 818                               * p_vout->render.i_height / i_height
 819                               * i_width / p_vout->render.i_width;
 820 #ifdef OVERLAP
 821             if (p_vout->p_sys->i_offset_x < 0)
 822             {
 823                 var_SetInteger(p_vout, "video-x", -p_vout->p_sys->i_offset_x);
 824                 p_vout->p_sys->i_offset_x = 0;
 825             }
 826 #endif
 827             p_entry->p_vout = vout_Create( p_vout, &fmt);
 828
 829             if( p_entry->p_vout == NULL )
 830             {
 831                 msg_Err( p_vout, "failed to get %ix%i vout threads",
 832                                  p_vout->p_sys->i_col, p_vout->p_sys->i_row );
 833                 RemoveAllVout( p_vout );
 834                 return VLC_EGENERIC;
 835             }
 836             vout_filter_SetupChild( p_vout, p_entry->p_vout,
 837                                     MouseEvent, FullscreenEventUp, FullscreenEventDown, true );
 838
 839 #ifdef OVERLAP
 840             p_entry->p_vout->i_alignment = 0;
 841             if (i_col == 0)
 842                 p_entry->p_vout->i_alignment |= VOUT_ALIGN_RIGHT;
 843             else if (i_col == p_vout->p_sys->i_col -1)
 844                 p_entry->p_vout->i_alignment |= VOUT_ALIGN_LEFT;
 845             if (p_vout->p_sys->i_row > 1)
 846             {
 847                 if (i_row == 0)
 848                     p_entry->p_vout->i_alignment |= VOUT_ALIGN_BOTTOM;
 849                 else if (i_row == p_vout->p_sys->i_row -1)
 850                     p_entry->p_vout->i_alignment |= VOUT_ALIGN_TOP;
 851             }
 852             // i_active : number of active pp_vout
 853             int i_active = 0;
 854             for( int i = 0; i <= p_vout->p_sys->i_vout; i++ )
 855             {
 856                 if( p_vout->p_sys->pp_vout[i].b_active )
 857                     i_active++;
 858             }
 859             var_SetInteger( p_vout, "align", p_entry->p_vout->i_alignment );
 860             var_SetInteger( p_vout, "video-x", i_video_x + p_vout->p_sys->i_offset_x + (i_active % p_vout->p_sys->i_col) * p_vout->i_window_width);
 861             var_SetInteger( p_vout, "video-y", i_video_y +                             (i_active / p_vout->p_sys->i_col) * p_vout->i_window_height);
 862 #endif
 863         }
 864     }
 865
 866     vout_filter_AllocateDirectBuffers( p_vout, VOUT_MAX_PICTURES );
 867
 868     return VLC_SUCCESS;
 869 }
 870
 871 /*****************************************************************************
 872  * End: terminate Wall video thread output method
 873  *****************************************************************************/
 874 static void End( vout_thread_t *p_vout )
 875 {
 876     RemoveAllVout( p_vout );
 877
 878     vout_filter_ReleaseDirectBuffers( p_vout );
 879
 880 #ifdef OVERLAP
 881     var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
 882 #endif
 883 }
 884
 885 /*****************************************************************************
 886  * Destroy: destroy Wall video thread output method
 887  *****************************************************************************
 888  * Terminate an output method created by WallCreateOutputMethod
 889  *****************************************************************************/
 890 static void Destroy( vlc_object_t *p_this )
 891 {
 892     vout_thread_t *p_vout = (vout_thread_t *)p_this;
 893
 894     free( p_vout->p_sys->pp_vout );
 895     free( p_vout->p_sys );
 896
 897 }
 898
 899 /*****************************************************************************
 900  * RenderPlanarYUV: displays previously rendered output
 901  *****************************************************************************
 902  * This function send the currently rendered image to Wall image, waits
 903  * until it is displayed and switch the two rendering buffers, preparing next
 904  * frame.
 905  *****************************************************************************/
 906 static void RenderPlanarYUV( vout_thread_t *p_vout, picture_t *p_pic )
 907 {
 908     picture_t *p_outpic = NULL;
 909     int i_col, i_row, i_vout, i_plane;
 910     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
 911 #ifdef OVERLAP
 912     int TopOffset;
 913     int constantYUV[3] = {0,128,128};
 914     int Denom;
 915     int a_2;
 916     int a_1;
 917     int a_0;
 918     int i_index, i_index2;
 919 #endif
 920
 921     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 922         pi_top_skip[i_plane] = 0;
 923
 924     for( i_vout = 0, i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
 925     {
 926         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 927             pi_left_skip[i_plane] = 0;
 928
 929         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++, i_vout++ )
 930         {
 931             struct vout_list_t *p_entry = &p_vout->p_sys->pp_vout[ i_vout ];
 932             if( !p_entry->b_active )
 933             {
 934                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 935                 {
 936                     pi_left_skip[i_plane] += p_entry->i_width * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
 937                 }
 938                 continue;
 939             }
 940
 941             while( ( p_outpic = vout_CreatePicture( p_entry->p_vout, 0, 0, 0 )) == NULL )
 942             {
 943                 if( !vlc_object_alive(p_vout) || p_vout->b_error )
 944                 {
 945                     vout_DestroyPicture( p_entry->p_vout, p_outpic );
 946                     return;
 947                 }
 948                 msleep( VOUT_OUTMEM_SLEEP );
 949             }
 950
 951             p_outpic->date = p_pic->date;
 952             vout_LinkPicture( p_entry->p_vout, p_outpic );
 953
 954             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
 955             {
 956                 uint8_t *p_in, *p_in_end, *p_out;
 957                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
 958                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
 959                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
 960                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
 961                 const int i_div = p_entry->i_width / i_copy_pitch;
 962
 963                 const bool b_row_first = i_row == 0;
 964                 const bool b_row_last = i_row + 1 == p_vout->p_sys->i_row;
 965                 const bool b_col_first = i_col == 0;
 966                 const bool b_col_last = i_col + 1 == p_vout->p_sys->i_col;
 967
 968 #ifdef OVERLAP
 969                 if( !b_col_first )
 970                     pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength ) / i_div;
 971
 972                 if( p_vout->p_sys->i_row >= 2 )
 973                 {
 974                     if( !b_row_first && b_col_first )
 975                         pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / i_div;
 976                     if( p_vout->p_sys->i_row > 2 && i_row == 1 && b_col_first )
 977                         pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / i_div;
 978                     if( !p_vout->p_sys->pp_vout[p_vout->p_sys->i_col-1].b_active )
 979                         pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch) / i_div;
 980                 }
 981 // i_n : previous inactive pp_vout
 982                 int i_n=0;
 983                 while( (i_col - i_n > 1) && (!p_vout->p_sys->pp_vout[i_row * p_vout->p_sys->i_col + i_col - 1 - i_n].b_active) ) i_n++;
 984                 if( i_col > 1 && i_n )
 985                     pi_left_skip[i_plane] -= i_n * (2 * p_vout->p_sys->i_halfLength ) / i_div;
 986
 987
 988                 if( p_vout->p_sys->i_row > 2 && ( b_row_first || b_row_last ) )
 989                     i_lines -= (2 * p_vout->p_sys->i_halfHeight) / i_div;
 990
 991 // 1088 lines bug in a mpeg2 stream of 1080 lines
 992                 if( b_row_last && p_pic->p[i_plane].i_lines == 1088 )
 993                     i_lines -= 8 / i_div;
 994 #endif
 995                 /* */
 996                 p_in = &p_pic->p[i_plane].p_pixels[ pi_top_skip[i_plane] + pi_left_skip[i_plane] ]; /* Wall proprities */
 997                 p_in_end = &p_in[i_lines * p_pic->p[i_plane].i_pitch];
 998
 999                 p_out = p_outpic->p[i_plane].p_pixels;
1000 #ifdef OVERLAP
1001                 if( p_vout->p_sys->i_row > 2 && b_row_first )
1002                     p_out += p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) / i_div;
1003
1004                 int i_col_mod;
1005                 int length = 2 * p_vout->p_sys->i_halfLength / i_div;
1006
1007                 if( p_vout->p_sys->b_has_changed )
1008                 {
1009                     Denom = F2(length);
1010                     a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1011                     a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1012                     a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1013                     for( i_col_mod = 0; i_col_mod < 2; i_col_mod++ )
1014                     {
1015                         for( i_index = 0; i_index < length; i_index++ )
1016                         {
1017                             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);
1018                             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;
1019                         }
1020                     }
1021                 }
1022 #endif
1023                 while( p_in < p_in_end )
1024                 {
1025 #ifndef OVERLAP
1026                     vlc_memcpy( p_out, p_in, i_copy_pitch);
1027 #else
1028                     if( p_vout->p_sys->i_col > 2 )
1029                     {
1030                         const int halfl = length / 2;
1031                         if( b_col_first)
1032                             vlc_memcpy( &p_out[halfl], &p_in[0], i_copy_pitch - halfl );
1033                         else if( b_col_last )
1034                             vlc_memcpy( &p_out[    0], &p_in[-halfl], i_copy_pitch - halfl );
1035                         else
1036                             vlc_memcpy( &p_out[    0], &p_in[-halfl], i_copy_pitch);
1037
1038                         // black bar
1039                         if( b_col_first )
1040                             memset( &p_out[0], constantYUV[i_plane], halfl);
1041                         else if( b_col_last )
1042                             memset( &p_out[i_copy_pitch - halfl], constantYUV[i_plane], halfl );
1043                     }
1044                     else
1045                     {
1046                         vlc_memcpy( p_out , p_in, i_copy_pitch );
1047                     }
1048
1049                     if( p_vout->p_sys->b_attenuate )
1050                     {
1051                         // vertical blend
1052                         // first blended zone
1053                         if( !b_col_first )
1054                         {
1055                             uint8_t *p_dst = &p_out[0];
1056                             for (i_index = 0; i_index < length; i_index++)
1057                             {
1058 #ifndef GAMMA
1059                                 p_dst[i_index] = (p_vout->p_sys->lambda[1][i_plane][i_index] * p_dst[i_index]) / ACCURACY +
1060                                                         p_vout->p_sys->cstYUV[1][i_plane][i_index];
1061 #else
1062                                 p_dst[i_index] = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda[1][i_plane][i_index]][p_dst[i_index]];
1063 #endif
1064                             }
1065                         }
1066                         // second blended zone
1067                         if( !b_col_last )
1068                         {
1069                             uint8_t *p_dst = &p_out[i_copy_pitch - length];
1070                             for (i_index = 0; i_index < length; i_index++)
1071                             {
1072 #ifndef GAMMA
1073                                 p_dst[i_index] = (p_vout->p_sys->lambda[0][i_plane][i_index] * p_dst[i_index]) / ACCURACY +
1074                                                         p_vout->p_sys->cstYUV[0][i_plane][i_index];
1075 #else
1076                                p_dst[i_index] = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda[0][i_plane][i_index]][p_dst[i_index]];
1077 #endif
1078                             }
1079                         }
1080                         // end blended zone
1081                     }
1082 #endif
1083                     p_in += i_in_pitch;
1084                     p_out += i_out_pitch;
1085                 }
1086 #ifdef OVERLAP
1087        // horizontal blend
1088         if ( p_vout->p_sys->i_row >= 2 )
1089         {
1090            // black bar
1091            if (( p_vout->p_sys->i_row > 2 ) && (( b_row_first ) || ( b_row_last )))
1092            {
1093
1094                int height = 2 * p_vout->p_sys->i_halfHeight / i_div;
1095                if ( b_row_first )
1096                {
1097                     TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / i_div;
1098                }
1099                else
1100                 {
1101                    TopOffset = height - (2 * p_vout->p_sys->i_halfHeight) / i_div;
1102                 }
1103                 uint8_t *p_dst = p_out - TopOffset * i_out_pitch;
1104                 for (i_index = 0; i_index < height; i_index++)
1105                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1106                        p_dst[i_index * i_out_pitch + i_index2] = constantYUV[i_plane];
1107            }
1108            if( p_vout->p_sys->b_attenuate )
1109            {
1110                length = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
1111                if (p_vout->p_sys->b_has_changed)
1112                {
1113                    Denom = F2(length);
1114                    a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1115                    a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1116                    a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1117                    for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1118                        for (i_index = 0; i_index < length; i_index++)
1119                        {
1120                            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);
1121                            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;
1122                        }
1123                }
1124                // first blended zone
1125                if ( !b_row_first )
1126                {
1127                         TopOffset = i_lines;
1128                         uint8_t *p_dst = p_out - TopOffset * i_out_pitch;
1129
1130                         for (i_index = 0; i_index < length; i_index++)
1131                         {
1132                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1133                             {
1134 #ifndef GAMMA
1135                                 p_dst[i_index * i_out_pitch + i_index2] = ( p_vout->p_sys->lambda2[1][i_plane][i_index] *
1136                                              p_dst[i_index * i_out_pitch + i_index2] ) / ACCURACY +
1137                                              p_vout->p_sys->cstYUV2[1][i_plane][i_index];
1138 #else
1139                                 p_dst[i_index * i_out_pitch + i_index2] = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda2[1][i_plane][i_index]][p_dst[i_index * i_out_pitch + i_index2]];
1140 #endif
1141                             }
1142                         }
1143                }
1144                // second blended zone
1145                if ( !b_row_last )
1146                {
1147                         TopOffset = length;
1148                         uint8_t *p_dst = p_out - TopOffset * p_outpic->p[i_plane].i_pitch;
1149
1150                         for (i_index = 0; i_index < length; i_index++)
1151                         {
1152                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1153                             {
1154 #ifndef GAMMA
1155                                 p_dst[i_index * i_out_pitch + i_index2] = (p_vout->p_sys->lambda2[0][i_plane][i_index] *
1156                                              p_dst[i_index * i_out_pitch + i_index2]) / ACCURACY +
1157                                              p_vout->p_sys->cstYUV2[0][i_plane][i_index];
1158 #else
1159
1160                                 p_dst[i_index * i_out_pitch + i_index2] = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda2[0][i_plane][i_index]][p_dst[i_index * i_out_pitch + i_index2]];
1161 #endif
1162                             }
1163                         }
1164                }
1165            }
1166         }
1167        // end blended zone
1168 #endif
1169                 // bug for wall filter : fix by CC
1170                 //            pi_left_skip[i_plane] += i_out_pitch;
1171                 pi_left_skip[i_plane] += i_copy_pitch;
1172             }
1173
1174             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1175                                 p_outpic );
1176             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1177                                  p_outpic );
1178         }
1179
1180         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1181         {
1182             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout-1 ].i_height
1183                                              * p_pic->p[i_plane].i_lines
1184                                              / p_vout->output.i_height
1185                                              * p_pic->p[i_plane].i_pitch;
1186         }
1187     }
1188 #ifdef OVERLAP
1189     if (p_vout->p_sys->b_has_changed)
1190         p_vout->p_sys->b_has_changed = false;
1191 #endif
1192 }
1193
1194
1195 /*****************************************************************************
1196  * RenderPackedRGB: displays previously rendered output
1197  *****************************************************************************
1198  * This function send the currently rendered image to Wall image, waits
1199  * until it is displayed and switch the two rendering buffers, preparing next
1200  * frame.
1201  *****************************************************************************/
1202 static void RenderPackedRGB( vout_thread_t *p_vout, picture_t *p_pic )
1203 {
1204     picture_t *p_outpic = NULL;
1205     int i_col, i_row, i_vout, i_plane;
1206     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
1207 #ifdef OVERLAP
1208     int LeftOffset, TopOffset;
1209     int Denom;
1210     int a_2;
1211     int a_1;
1212     int a_0;
1213     int i_index, i_index2;
1214 #endif
1215
1216     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1217         pi_top_skip[i_plane] = 0;
1218
1219     for( i_vout = 0, i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1220     {
1221         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1222             pi_left_skip[i_plane] = 0;
1223
1224         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++, i_vout++ )
1225         {
1226             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
1227             {
1228                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1229                 {
1230                     pi_left_skip[i_plane] +=
1231                         p_vout->p_sys->pp_vout[ i_vout ].i_width * p_pic->p->i_pixel_pitch;
1232                 }
1233                 continue;
1234             }
1235
1236             while( ( p_outpic =
1237                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1238                                     0, 0, 0 )
1239                    ) == NULL )
1240             {
1241                 if( !vlc_object_alive (p_vout) || p_vout->b_error )
1242                 {
1243                     vout_DestroyPicture(
1244                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
1245                     return;
1246                 }
1247
1248                 msleep( VOUT_OUTMEM_SLEEP );
1249             }
1250
1251             p_outpic->date = p_pic->date;
1252             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1253                               p_outpic );
1254
1255             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1256             {
1257                 uint8_t *p_in, *p_in_end, *p_out;
1258                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
1259                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
1260                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
1261
1262 #ifdef OVERLAP
1263                 if (i_col)
1264                     pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength) * p_pic->p->i_pixel_pitch;
1265                 if( p_vout->p_sys->i_row >= 2 )
1266                 {
1267                     if( (i_row) && (!i_col))
1268                         pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch);
1269                     if( (p_vout->p_sys->i_row > 2) && (i_row == 1) && (!i_col) )
1270                         pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch);
1271                     if( !p_vout->p_sys->pp_vout[p_vout->p_sys->i_col-1].b_active )
1272                         pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch);
1273                 }
1274 // i_n : previous inactive pp_vout
1275                 int i_n=0;
1276                 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++;
1277                 if ((i_col > 1) && i_n)
1278                     pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) * p_pic->p->i_pixel_pitch;
1279
1280                 p_in = p_pic->p[i_plane].p_pixels
1281                 /* Wall proprities */
1282                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1283
1284                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
1285 // 1088 lines bug in a mpeg2 stream of 1080 lines
1286                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1287                     (p_pic->p[i_plane].i_lines == 1088))
1288                         i_lines -= 8;
1289
1290                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1291 #else
1292                 p_in = p_pic->p[i_plane].p_pixels
1293                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1294
1295                 p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
1296                                         * p_pic->p[i_plane].i_pitch;
1297 #endif //OVERLAP
1298
1299                 p_out = p_outpic->p[i_plane].p_pixels;
1300
1301
1302 #ifdef OVERLAP
1303         if ((p_vout->p_sys->i_row > 2) && (!i_row))
1304             p_out += (p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) * p_pic->p->i_pixel_pitch);
1305
1306         int length;
1307         length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
1308
1309         if (p_vout->p_sys->b_has_changed)
1310         {
1311             int i_plane_;
1312             int i_col_mod;
1313             Denom = F2(length / p_pic->p->i_pixel_pitch);
1314             a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1315             a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1316             a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1317             for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
1318                 for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1319                     for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1320                         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);
1321         }
1322 #endif
1323             while( p_in < p_in_end )
1324             {
1325 #ifndef OVERLAP
1326                 vlc_memcpy( p_out, p_in, i_copy_pitch );
1327 #else
1328                 if (p_vout->p_sys->i_col > 2)
1329                 {
1330                     // vertical blend
1331                     length /= 2;
1332                     if (i_col == 0)
1333                         vlc_memcpy( p_out + length, p_in, i_copy_pitch - length);
1334                     else if (i_col + 1 == p_vout->p_sys->i_col)
1335                         vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
1336                     else
1337                         vlc_memcpy( p_out, p_in - length, i_copy_pitch);
1338
1339                     if ((i_col == 0))
1340                     // black bar
1341                     {
1342                         LeftOffset = 0;
1343                         p_out += LeftOffset;
1344                         p_in += LeftOffset;
1345                         for (i_index = 0; i_index < length; i_index++)
1346                                 *(p_out + i_index) = 0;
1347                         p_out -= LeftOffset;
1348                         p_in -= LeftOffset;
1349                     }
1350                     else if ((i_col + 1 == p_vout->p_sys->i_col ))
1351                     // black bar
1352                         {
1353                             LeftOffset = i_copy_pitch - length;
1354                             p_out += LeftOffset;
1355                             p_in += LeftOffset;
1356                             for (i_index = 0; i_index < length; i_index++)
1357                                     *(p_out + i_index) = 0;
1358                             p_out -= LeftOffset;
1359                             p_in -= LeftOffset;
1360                         }
1361                     length *= 2;
1362                 }
1363                 else
1364                     vlc_memcpy( p_out, p_in, i_copy_pitch);
1365
1366 // vertical blend
1367 // first blended zone
1368             if (i_col)
1369             {
1370                 LeftOffset = 0;
1371                 p_out += LeftOffset;
1372                 for (i_index = 0; i_index < length; i_index++)
1373 #ifndef GAMMA
1374                     *(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] *
1375                                  (*(p_out + i_index))) / ACCURACY;
1376 #else
1377                     *(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)];
1378 #endif
1379                 p_out -= LeftOffset;
1380             }
1381 // second blended zone
1382             if (i_col + 1 < p_vout->p_sys->i_col)
1383             {
1384                 LeftOffset = i_copy_pitch - length;
1385                 p_out +=  LeftOffset;
1386                 for (i_index = 0; i_index < length; i_index++)
1387 #ifndef GAMMA
1388                     *(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] *
1389                                  (*(p_out + i_index))) / ACCURACY;
1390 #else
1391                     *(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)];
1392 #endif
1393                 p_out -= LeftOffset;
1394             }
1395 // end blended zone
1396 #endif //OVERLAP
1397                 p_in += i_in_pitch;
1398                 p_out += i_out_pitch;
1399             }
1400 #ifdef OVERLAP
1401 // horizontal blend
1402         if (!p_vout->p_sys->b_attenuate)
1403         {
1404             if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
1405             // black bar
1406             {
1407                     TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
1408                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1409                     for (i_index = 0; i_index < length; i_index++)
1410                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1411                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1412                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1413             }
1414             else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
1415             // black bar
1416                 {
1417                     TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
1418                     p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1419                     for (i_index = 0; i_index < length; i_index++)
1420                         for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1421                             *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1422                     p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1423                 }
1424         }
1425         else
1426         {
1427             if (p_vout->p_sys->i_row >= 2)
1428             {
1429                 length = 2 * p_vout->p_sys->i_halfHeight;
1430                 if (p_vout->p_sys->b_has_changed)
1431                 {
1432                     int i_plane_;
1433                     int i_row_mod;
1434                     Denom = F2(length);
1435                     a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1436                     a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
1437                     a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1438                     for(i_row_mod = 0; i_row_mod < 2; i_row_mod++)
1439                       for (i_index = 0; i_index < length; i_index++)
1440                         for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1441                             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);
1442                 }
1443 // first blended zone
1444
1445             if (i_row)
1446             {
1447                 TopOffset = i_lines;
1448                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1449                 for (i_index = 0; i_index < length; i_index++)
1450                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1451 #ifndef GAMMA
1452                     *(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] *
1453                                  (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
1454 #else
1455                     *(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)];
1456 #endif
1457                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1458             }
1459             else if (p_vout->p_sys->i_row > 2)
1460             // black bar
1461             {
1462                 TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
1463                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1464                 for (i_index = 0; i_index < length; i_index++)
1465                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1466                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1467                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1468             }
1469
1470 // second blended zone
1471
1472             if (i_row + 1 < p_vout->p_sys->i_row)
1473             {
1474                 TopOffset = length;
1475                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1476                 for (i_index = 0; i_index < length; i_index++)
1477                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1478 #ifndef GAMMA
1479                     *(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] *
1480                                  (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
1481 #else
1482                     *(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)];
1483
1484 #endif
1485                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1486             }
1487             else if (p_vout->p_sys->i_row > 2)
1488             // black bar
1489             {
1490                 TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
1491                 p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1492                 for (i_index = 0; i_index < length; i_index++)
1493                     for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1494                         *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
1495                 p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1496             }
1497 // end blended zone
1498             }
1499         }
1500 #endif
1501 // bug for wall filter : fix by CC
1502 //            pi_left_skip[i_plane] += i_out_pitch;
1503             pi_left_skip[i_plane] += i_copy_pitch;
1504             }
1505
1506             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1507                                 p_outpic );
1508             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1509                                  p_outpic );
1510         }
1511
1512         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1513         {
1514             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout-1 ].i_height
1515                                      * p_pic->p[i_plane].i_lines
1516                                      / p_vout->output.i_height
1517                                      * p_pic->p[i_plane].i_pitch;
1518         }
1519     }
1520 #ifdef OVERLAP
1521     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1522 #endif
1523 }
1524
1525
1526 #ifdef PACKED_YUV
1527 // WARNING : NO DEBUGGED
1528 /*****************************************************************************
1529  * RenderPackedYUV: displays previously rendered output
1530  *****************************************************************************
1531  * This function send the currently rendered image to Wall image, waits
1532  * until it is displayed and switch the two rendering buffers, preparing next
1533  * frame.
1534  *****************************************************************************/
1535 static void RenderPackedYUV( vout_thread_t *p_vout, picture_t *p_pic )
1536 {
1537     picture_t *p_outpic = NULL;
1538     int i_col, i_row, i_vout, i_plane;
1539     int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
1540 #ifdef OVERLAP
1541     int LeftOffset, TopOffset;
1542     int constantYUV[3] = {0,128,128};
1543     int Denom;
1544     int a_2;
1545     int a_1;
1546     int a_0;
1547     int i_index, i_index2;
1548 #endif
1549
1550     for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1551         pi_top_skip[i_plane] = 0;
1552
1553     for( i_vout = 0;, i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
1554     {
1555         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1556             pi_left_skip[i_plane] = 0;
1557
1558         for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++, i_vout++ )
1559         {
1560             if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
1561             {
1562                 for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1563                 {
1564                     pi_left_skip[i_plane] +=
1565                         p_vout->p_sys->pp_vout[ i_vout ].i_width
1566                          * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
1567                 }
1568                 continue;
1569             }
1570
1571             while( ( p_outpic =
1572                 vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1573                                     0, 0, 0 )
1574                    ) == NULL )
1575             {
1576                 if( !vlc_object_alive (p_vout) || p_vout->b_error )
1577                 {
1578                     vout_DestroyPicture(
1579                         p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
1580                     return;
1581                 }
1582
1583                 msleep( VOUT_OUTMEM_SLEEP );
1584             }
1585
1586             p_outpic->date = p_pic->date;
1587             vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1588                               p_outpic );
1589
1590             for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1591             {
1592                 uint8_t *p_in, *p_in_end, *p_out;
1593                 int i_in_pitch = p_pic->p[i_plane].i_pitch;
1594                 int i_out_pitch = p_outpic->p[i_plane].i_pitch;
1595                 int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
1596                 const int i_div = p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch;
1597
1598 #ifdef OVERLAP
1599                 if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength ) / i_div;
1600                 if ((p_vout->p_sys->i_row >= 2) && (i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / i_div;
1601                 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) / i_div;
1602                 if( !p_vout->p_sys->pp_vout[p_vout->p_sys->i_col-1].b_active )
1603                     pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch) / i_div;
1604 // i_n : previous inactive pp_vout
1605                 int i_n=0;
1606                 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++;
1607                 if ((i_col > 1) && i_n)
1608                     pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) / i_div;
1609
1610                 p_in = p_pic->p[i_plane].p_pixels
1611                 /* Wall proprities */
1612                 + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1613
1614                 int i_lines = p_outpic->p[i_plane].i_visible_lines;
1615 // 1088 lines bug in a mpeg2 stream of 1080 lines
1616                 if ((p_vout->p_sys->i_row - 1 == i_row) &&
1617                     (p_pic->p[i_plane].i_lines == 1088))
1618                         i_lines -= 8;
1619
1620                 p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
1621 #else
1622                 p_in = p_pic->p[i_plane].p_pixels
1623                         + pi_top_skip[i_plane] + pi_left_skip[i_plane];
1624
1625                 p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
1626                                         * p_pic->p[i_plane].i_pitch;
1627 #endif
1628                 p_out = p_outpic->p[i_plane].p_pixels;
1629 #ifdef OVERLAP
1630         int length;
1631         length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
1632         LeftOffset = (i_col ? 0 : i_copy_pitch - length);
1633         if (p_vout->p_sys->b_has_changed)
1634         {
1635 #ifdef GAMMA
1636             int i_plane_;
1637             for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1638                 for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1639                     for (i_index2 = 0; i_index2 < 256; i_index2++)
1640                             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_]));
1641 #endif
1642             switch (p_vout->output.i_chroma)
1643                 {
1644                     case VLC_CODEC_YUYV:    // packed by 2
1645                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1646                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1647                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1648                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1649                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1650                         // for each macropixel
1651                         {
1652                                 // first image pixel
1653                                 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);
1654                                 p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[0]) / ACCURACY;
1655                                 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);
1656                                 p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[1]) / ACCURACY;
1657                                 // second image pixel
1658                                 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);
1659                                 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;
1660                                 p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
1661                                 p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
1662                         }
1663                         break;
1664                     case VLC_CODEC_UYVY:    // packed by 2
1665                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1666                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1667                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
1668                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1669                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1670                         // for each macropixel
1671                         {
1672                                 // first image pixel
1673                                 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);
1674                                 p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1675                                 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);
1676                                 p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[0]) / ACCURACY;
1677                                 // second image pixel
1678                                 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);
1679                                 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;
1680                                 p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
1681                                 p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
1682                         }
1683                         break;
1684                     default :
1685                         break;
1686                 }
1687         }
1688 #endif
1689             while( p_in < p_in_end )
1690             {
1691 #ifndef OVERLAP
1692                 vlc_memcpy( p_out, p_in, i_copy_pitch);
1693 #else
1694                 vlc_memcpy( p_out + i_col * length, p_in + i_col * length, i_copy_pitch - length);
1695                 p_out += LeftOffset;
1696                 p_in += LeftOffset;
1697 #ifndef GAMMA
1698                 for (i_index = 0; i_index < length; i_index++)
1699                     *(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] *
1700                              (*(p_in + i_index))) / ACCURACY +
1701                              p_vout->p_sys->cstYUV[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch];
1702 #else
1703                 for (i_index = 0; i_index < length; i_index++)
1704                     *(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] *
1705                              (*(p_in + i_index))) / ACCURACY +
1706                              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];
1707 #endif
1708                 p_out -= LeftOffset;
1709                 p_in -= LeftOffset;
1710 #endif
1711                 p_in += i_in_pitch;
1712                 p_out += i_out_pitch;
1713             }
1714 #ifdef OVERLAP
1715             if (p_vout->p_sys->i_row == 2)
1716             {
1717                         length = 2 * p_vout->p_sys->i_halfHeight * p_pic->p->i_pixel_pitch;
1718                         TopOffset = (i_row ? i_lines : length / p_pic->p->i_pixel_pitch);
1719                         if (p_vout->p_sys->b_has_changed)
1720                         {
1721 #ifdef GAMMA
1722                                 int i_plane_;
1723                                 for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1724                                     for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
1725                                         for (i_index2 = 0; i_index2 < 256; i_index2++)
1726                                                 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_]));
1727 #endif
1728                                 switch (p_vout->output.i_chroma)
1729                                 {
1730                                     case VLC_CODEC_YUYV:    // packed by 2
1731                                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1732                                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1733                                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
1734                                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1735                                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1736                                         // for each macropixel
1737                                         {
1738                                                 // first image pixel
1739                                                 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);
1740                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][0][i_index]) * constantYUV[0]) / ACCURACY;
1741                                                 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);
1742                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][1][i_index]) * constantYUV[1]) / ACCURACY;
1743                                                 // second image pixel
1744                                                 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);
1745                                                 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;
1746                                                 p_vout->p_sys->lambda2[i_row][1][i_index + 1] = p_vout->p_sys->lambda2[i_row][1][i_index];
1747                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index + 1] = p_vout->p_sys->cstYUV2[i_row][1][i_index];
1748                                         }
1749                                         break;
1750                                     case VLC_CODEC_UYVY:    // packed by 2
1751                                         Denom = F2(length / p_pic->p->i_pixel_pitch);
1752                                         a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
1753                                         a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
1754                                         a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
1755                                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
1756                                         // for each macropixel
1757                                         {
1758                                                 // first image pixel
1759                                                 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);
1760                                                 p_vout->p_sys->cstYUV2[i_row][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
1761                                                 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);
1762                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda2[i_row][1][i_index]) * constantYUV[0]) / ACCURACY;
1763                                                 // second image pixel
1764                                                 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);
1765                                                 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;
1766                                                 p_vout->p_sys->lambda2[i_row][1][i_index + 1] = p_vout->p_sys->lambda2[i_row][1][i_index];
1767                                                 p_vout->p_sys->cstYUV2[i_row][1][i_index + 1] = p_vout->p_sys->cstYUV2[i_row][1][i_index];
1768                                         }
1769                                         break;
1770                                     default :
1771                                         break;
1772                                 }
1773                         }
1774                         p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
1775 #ifndef GAMMA
1776                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1777                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1778                                 *(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] *
1779                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1780                                      p_vout->p_sys->cstYUV2[i_row][i_index2 % p_pic->p->i_pixel_pitch][i_index];
1781 #else
1782                         for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
1783                             for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
1784                                 *(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] *
1785                                      (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
1786                                      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];
1787
1788 #endif
1789                         p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
1790             }
1791 #endif
1792 // bug for wall filter : fix by CC
1793 //            pi_left_skip[i_plane] += i_out_pitch;
1794             pi_left_skip[i_plane] += i_copy_pitch;
1795             }
1796
1797             vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1798                                 p_outpic );
1799             vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
1800                                  p_outpic );
1801         }
1802
1803         for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
1804         {
1805             pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout-1 ].i_height
1806                                      * p_pic->p[i_plane].i_lines
1807                                      / p_vout->output.i_height
1808                                      * p_pic->p[i_plane].i_pitch;
1809         }
1810     }
1811 #ifdef OVERLAP
1812     if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
1813 #endif
1814 }
1815 #endif
1816
1817
1818 /*****************************************************************************
1819  * RemoveAllVout: destroy all the child video output threads
1820  *****************************************************************************/
1821 static void RemoveAllVout( vout_thread_t *p_vout )
1822 {
1823     vout_sys_t *p_sys = p_vout->p_sys;
1824
1825     for( int i = 0; i < p_vout->p_sys->i_vout; i++ )
1826     {
1827         if( p_sys->pp_vout[i].b_active )
1828         {
1829             vout_filter_SetupChild( p_vout, p_sys->pp_vout[i].p_vout,
1830                                     MouseEvent, FullscreenEventUp, FullscreenEventDown, true );
1831             vout_CloseAndRelease( p_sys->pp_vout[i].p_vout );
1832             p_sys->pp_vout[i].p_vout = NULL;
1833         }
1834     }
1835 }
1836
1837 /*****************************************************************************
1838  * SendEvents: forward mouse and keyboard events to the parent p_vout
1839  *****************************************************************************/
1840 static int MouseEvent( vlc_object_t *p_this, char const *psz_var,
1841                        vlc_value_t oldval, vlc_value_t newval, void *p_data )
1842 {
1843     vout_thread_t *p_vout = p_data;
1844     vout_sys_t *p_sys = p_vout->p_sys;
1845     VLC_UNUSED(oldval);
1846     int i_vout;
1847
1848     /* Find the video output index */
1849     for( i_vout = 0; i_vout < p_sys->i_vout; i_vout++ )
1850     {
1851         if( p_sys->pp_vout[i_vout].b_active &&
1852             p_this == VLC_OBJECT(p_sys->pp_vout[i_vout].p_vout) )
1853             break;
1854     }
1855     assert( i_vout < p_vout->p_sys->i_vout );
1856
1857     /* Translate the mouse coordinates */
1858     if( !strcmp( psz_var, "mouse-x" ) )
1859     {
1860 #ifdef OVERLAP
1861         int i_overlap = ((p_sys->i_col > 2) ? 0 : 2 * p_sys->i_halfLength);
1862            newval.i_int += (p_vout->output.i_width - i_overlap)
1863 #else
1864            newval.i_int += p_vout->output.i_width
1865 #endif
1866                          * (i_vout % p_sys->i_col)
1867                           / p_sys->i_col;
1868     }
1869     else if( !strcmp( psz_var, "mouse-y" ) )
1870     {
1871 #ifdef OVERLAP
1872         int i_overlap = ((p_sys->i_row > 2) ? 0 : 2 * p_sys->i_halfHeight);
1873            newval.i_int += (p_vout->output.i_height - i_overlap)
1874 #else
1875            newval.i_int += p_vout->output.i_height
1876 #endif
1877 //bug fix in Wall plug-in
1878 //                         * (i_vout / p_vout->p_sys->i_row)
1879                          * (i_vout / p_sys->i_col)
1880                           / p_sys->i_row;
1881     }
1882
1883     return var_Set( p_vout, psz_var, newval );
1884 }
1885
1886 /**
1887  * Forward fullscreen event to/from the childrens.
1888  * FIXME pretty much duplicated from wall.c
1889  */
1890 static bool IsFullscreenActive( vout_thread_t *p_vout )
1891 {
1892     vout_sys_t *p_sys = p_vout->p_sys;
1893     for( int i = 0; i < p_sys->i_vout; i++ )
1894     {
1895         if( p_sys->pp_vout[i].b_active &&
1896             var_GetBool( p_sys->pp_vout[i].p_vout, "fullscreen" ) )
1897             return true;
1898     }
1899     return false;
1900 }
1901 static int FullscreenEventUp( vlc_object_t *p_this, char const *psz_var,
1902                               vlc_value_t oldval, vlc_value_t newval, void *p_data )
1903 {
1904     vout_thread_t *p_vout = p_data;
1905     VLC_UNUSED(oldval); VLC_UNUSED(p_this); VLC_UNUSED(psz_var); VLC_UNUSED(newval);
1906
1907     const bool b_fullscreen = IsFullscreenActive( p_vout );
1908     if( !var_GetBool( p_vout, "fullscreen" ) != !b_fullscreen )
1909         return var_SetBool( p_vout, "fullscreen", b_fullscreen );
1910     return VLC_SUCCESS;
1911 }
1912 static int FullscreenEventDown( vlc_object_t *p_this, char const *psz_var,
1913                                 vlc_value_t oldval, vlc_value_t newval, void *p_data )
1914 {
1915     vout_thread_t *p_vout = (vout_thread_t*)p_this;
1916     vout_sys_t *p_sys = p_vout->p_sys;
1917     VLC_UNUSED(oldval); VLC_UNUSED(p_data); VLC_UNUSED(psz_var);
1918
1919     const bool b_fullscreen = IsFullscreenActive( p_vout );
1920     if( !b_fullscreen != !newval.b_bool )
1921     {
1922         for( int i = 0; i < p_sys->i_vout; i++ )
1923         {
1924             if( !p_sys->pp_vout[i].b_active )
1925                 continue;
1926
1927             vout_thread_t *p_child = p_sys->pp_vout[i].p_vout;
1928             if( !var_GetBool( p_child, "fullscreen" ) != !newval.b_bool )
1929             {
1930                 var_SetBool( p_child, "fullscreen", newval.b_bool );
1931                 if( newval.b_bool )
1932                     return VLC_SUCCESS;
1933             }
1934         }
1935     }
1936     return VLC_SUCCESS;
1937 }
1938