panoramix.c 93.5 KB
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/*****************************************************************************
 * panoramix.c : Wall panoramic video with edge blending plugin for vlc
 *****************************************************************************
 * Copyright (C) 2000, 2001, 2002, 2003 VideoLAN
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 * $Id$
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 *
 * Authors: Cedric Cocquebert <cedric.cocquebert@supelec.fr>
 *          based on Samuel Hocevar <sam@zoy.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

/*****************************************************************************
 * Preamble
 *****************************************************************************/

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#ifdef HAVE_CONFIG_H
# include "config.h"
#endif

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#include <vlc_common.h>
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#include <vlc_plugin.h>
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#include <vlc_vout.h>
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#include "filter_common.h"

// add by cedric.cocquebert@supelec.fr
#define OVERLAP        2350
#ifdef OVERLAP
    #include <math.h>
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    // OS CODE DEPENDENT to get display dimensions
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    #ifdef SYS_MINGW32
        #include <windows.h>
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    #else
        #include <X11/Xlib.h>
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    #endif
    #define GAMMA        1
//  #define PACKED_YUV    1
    #define F2(a) ((a)*(a))
    #define F4(a,b,x) ((a)*(F2(x))+((b)*(x)))
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    #define ACCURACY 1000
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    #define RATIO_MAX 2500
    #define CLIP_01(a) (a < 0.0 ? 0.0 : (a > 1.0 ? 1.0 : a))
//    #define CLIP_0A(a) (a < 0.0 ? 0.0 : (a > ACCURACY ? ACCURACY : a))
#endif

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
static int  Create    ( vlc_object_t * );
static void Destroy   ( vlc_object_t * );

static int  Init      ( vout_thread_t * );
static void End       ( vout_thread_t * );
#ifdef PACKED_YUV
static void RenderPackedYUV   ( vout_thread_t *, picture_t * );
#endif
static void RenderPlanarYUV   ( vout_thread_t *, picture_t * );
static void RenderPackedRGB   ( vout_thread_t *, picture_t * );

static void RemoveAllVout  ( vout_thread_t *p_vout );

static int  SendEvents( vlc_object_t *, char const *,
                        vlc_value_t, vlc_value_t, void * );

/*****************************************************************************
 * Module descriptor
 *****************************************************************************/
#define COLS_TEXT N_("Number of columns")
#define COLS_LONGTEXT N_("Select the number of horizontal video windows in " \
    "which to split the video")

#define ROWS_TEXT N_("Number of rows")
#define ROWS_LONGTEXT N_("Select the number of vertical video windows in " \
    "which to split the video")

#define ACTIVE_TEXT N_("Active windows")
#define ACTIVE_LONGTEXT N_("Comma separated list of active windows, " \
    "defaults to all")

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#define CFG_PREFIX "panoramix-"

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vlc_module_begin();
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    set_description( N_("Panoramix: wall with overlap video filter") );
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    set_shortname( N_("Panoramix" ));
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    set_capability( "video filter", 0 );
    set_category( CAT_VIDEO );
    set_subcategory( SUBCAT_VIDEO_VFILTER );

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    add_integer( CFG_PREFIX "cols", -1, NULL,
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                 COLS_TEXT, COLS_LONGTEXT, true );
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    add_integer( CFG_PREFIX "rows", -1, NULL,
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                 ROWS_TEXT, ROWS_LONGTEXT, true );
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#ifdef OVERLAP
#define OFFSET_X_TEXT N_("Offset X offset (automatic compensation)")
#define OFFSET_X_LONGTEXT N_("Select if you want an automatic offset in horizontal (in case of misalignment due to autoratio control)")
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    add_bool( CFG_PREFIX "offset-x", 1, NULL, OFFSET_X_TEXT, OFFSET_X_LONGTEXT, true );
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#define LENGTH_TEXT N_("length of the overlapping area (in %)")
#define LENGTH_LONGTEXT N_("Select in percent the length of the blended zone")
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    add_integer_with_range( CFG_PREFIX "bz-length", 100, 0, 100, NULL, LENGTH_TEXT, LENGTH_LONGTEXT, true );
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#define HEIGHT_TEXT N_("height of the overlapping area (in %)")
#define HEIGHT_LONGTEXT N_("Select in percent the height of the blended zone (case of 2x2 wall)")
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    add_integer_with_range( CFG_PREFIX "bz-height", 100, 0, 100, NULL, HEIGHT_TEXT, HEIGHT_LONGTEXT, true );
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#define ATTENUATION_TEXT N_("Attenuation")
#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)")
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    add_bool( CFG_PREFIX "attenuate", 1, NULL, ATTENUATION_TEXT, ATTENUATION_LONGTEXT, false );
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#define BEGIN_TEXT N_("Attenuation, begin (in %)")
#define BEGIN_LONGTEXT N_("Select in percent the Lagrange coeff of the beginning blended zone")
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    add_integer_with_range( CFG_PREFIX "bz-begin", 0, 0, 100, NULL, BEGIN_TEXT, BEGIN_LONGTEXT, true );
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#define MIDDLE_TEXT N_("Attenuation, middle (in %)")
#define MIDDLE_LONGTEXT N_("Select in percent the Lagrange coeff of the middle of blended zone")
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    add_integer_with_range( CFG_PREFIX "bz-middle", 50, 0, 100, NULL, MIDDLE_TEXT, MIDDLE_LONGTEXT, false );
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#define END_TEXT N_("Attenuation, end (in %)")
#define END_LONGTEXT N_("Select in percent the Lagrange coeff of the end of blended zone")
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    add_integer_with_range( CFG_PREFIX "bz-end", 100, 0, 100, NULL, END_TEXT, END_LONGTEXT, true );
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#define MIDDLE_POS_TEXT N_("middle position (in %)")
#define MIDDLE_POS_LONGTEXT N_("Select in percent (50 is center) the position of the middle point (Lagrange) of blended zone")
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    add_integer_with_range( CFG_PREFIX "bz-middle-pos", 50, 1, 99, NULL, MIDDLE_POS_TEXT, MIDDLE_POS_LONGTEXT, false );
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#ifdef GAMMA
#define RGAMMA_TEXT N_("Gamma (Red) correction")
#define RGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Red or Y component)")
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    add_float_with_range( CFG_PREFIX "bz-gamma-red", 1, 0, 5, NULL, RGAMMA_TEXT, RGAMMA_LONGTEXT, true );
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#define GGAMMA_TEXT N_("Gamma (Green) correction")
#define GGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Green or U component)")
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    add_float_with_range( CFG_PREFIX "bz-gamma-green", 1, 0, 5, NULL, GGAMMA_TEXT, GGAMMA_LONGTEXT, true );
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#define BGAMMA_TEXT N_("Gamma (Blue) correction")
#define BGAMMA_LONGTEXT N_("Select the gamma for the correction of blended zone (Blue or V component)")
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    add_float_with_range( CFG_PREFIX "bz-gamma-blue", 1, 0, 5, NULL, BGAMMA_TEXT, BGAMMA_LONGTEXT, true );
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#endif
#define RGAMMA_BC_TEXT N_("Black Crush for Red")
#define RGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Red or Y component)")
#define GGAMMA_BC_TEXT N_("Black Crush for Green")
#define GGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Green or U component)")
#define BGAMMA_BC_TEXT N_("Black Crush for Blue")
#define BGAMMA_BC_LONGTEXT N_("Select the Black Crush of blended zone (Blue or V component)")

#define RGAMMA_WC_TEXT N_("White Crush for Red")
#define RGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Red or Y component)")
#define GGAMMA_WC_TEXT N_("White Crush for Green")
#define GGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Green or U component)")
#define BGAMMA_WC_TEXT N_("White Crush for Blue")
#define BGAMMA_WC_LONGTEXT N_("Select the White Crush of blended zone (Blue or V component)")

#define RGAMMA_BL_TEXT N_("Black Level for Red")
#define RGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Red or Y component)")
#define GGAMMA_BL_TEXT N_("Black Level for Green")
#define GGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Green or U component)")
#define BGAMMA_BL_TEXT N_("Black Level for Blue")
#define BGAMMA_BL_LONGTEXT N_("Select the Black Level of blended zone (Blue or V component)")

#define RGAMMA_WL_TEXT N_("White Level for Red")
#define RGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Red or Y component)")
#define GGAMMA_WL_TEXT N_("White Level for Green")
#define GGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Green or U component)")
#define BGAMMA_WL_TEXT N_("White Level for Blue")
#define BGAMMA_WL_LONGTEXT N_("Select the White Level of blended zone (Blue or V component)")
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    add_integer_with_range( CFG_PREFIX "bz-blackcrush-red", 140, 0, 255, NULL, RGAMMA_BC_TEXT, RGAMMA_BC_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-blackcrush-green", 140, 0, 255, NULL, GGAMMA_BC_TEXT, GGAMMA_BC_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-blackcrush-blue", 140, 0, 255, NULL, BGAMMA_BC_TEXT, BGAMMA_BC_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-whitecrush-red", 200, 0, 255, NULL, RGAMMA_WC_TEXT, RGAMMA_WC_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-whitecrush-green", 200, 0, 255, NULL, GGAMMA_WC_TEXT, GGAMMA_WC_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-whitecrush-blue", 200, 0, 255, NULL, BGAMMA_WC_TEXT, BGAMMA_WC_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-blacklevel-red", 150, 0, 255, NULL, RGAMMA_BL_TEXT, RGAMMA_BL_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-blacklevel-green", 150, 0, 255, NULL, GGAMMA_BL_TEXT, GGAMMA_BL_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-blacklevel-blue", 150, 0, 255, NULL, BGAMMA_BL_TEXT, BGAMMA_BL_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-whitelevel-red", 0, 0, 255, NULL, RGAMMA_WL_TEXT, RGAMMA_WL_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-whitelevel-green", 0, 0, 255, NULL, GGAMMA_WL_TEXT, GGAMMA_WL_LONGTEXT, true );
    add_integer_with_range( CFG_PREFIX "bz-whitelevel-blue", 0, 0, 255, NULL, BGAMMA_WL_TEXT, BGAMMA_WL_LONGTEXT, true );
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#ifndef SYS_MINGW32
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#define XINERAMA_TEXT N_("Xinerama option")
#define XINERAMA_LONGTEXT N_("Uncheck if you have not used xinerama")
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    add_bool( CFG_PREFIX "xinerama", 1, NULL, XINERAMA_TEXT, XINERAMA_LONGTEXT, true );
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#endif
#endif

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    add_string( CFG_PREFIX "active", NULL, NULL, ACTIVE_TEXT, ACTIVE_LONGTEXT, true );
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    add_shortcut( "panoramix" );
    set_callbacks( Create, Destroy );
vlc_module_end();

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static const char *const ppsz_filter_options[] = {
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    "cols", "rows", "offset-x", "bz-length", "bz-height", "attenuate",
    "bz-begin", "bz-middle", "bz-end", "bz-middle-pos", "bz-gamma-red",
    "bz-gamma-green", "bz-gamma-blue", "bz-blackcrush-red",
    "bz-blackcrush-green", "bz-blackcrush-blue", "bz-whitecrush-red",
    "bz-whitecrush-green", "bz-whitecrush-blue", "bz-blacklevel-red",
    "bz-blacklevel-green", "bz-blacklevel-blue", "bz-whitelevel-red",
    "bz-whitelevel-green", "bz-whitelevel-blue", "xinerama", "active",
    NULL
};

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/*****************************************************************************
 * vout_sys_t: Wall video output method descriptor
 *****************************************************************************
 * This structure is part of the video output thread descriptor.
 * It describes the Wall specific properties of an output thread.
 *****************************************************************************/
struct vout_sys_t
{
#ifdef OVERLAP
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    bool   b_autocrop;
    bool   b_attenuate;
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    unsigned int bz_length, bz_height, bz_begin, bz_middle, bz_end, bz_middle_pos;
    unsigned int i_ratio_max;
    unsigned int i_ratio;
    unsigned int a_0, a_1, a_2;
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    bool     b_has_changed;
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    int lambda[2][VOUT_MAX_PLANES][500];
    int cstYUV[2][VOUT_MAX_PLANES][500];
    int lambda2[2][VOUT_MAX_PLANES][500];
    int cstYUV2[2][VOUT_MAX_PLANES][500];
    unsigned int i_halfLength;
    unsigned int i_halfHeight;
    int i_offset_x;
    int i_offset_y;
#ifdef GAMMA
    float        f_gamma_red, f_gamma_green, f_gamma_blue;
    float         f_gamma[VOUT_MAX_PLANES];
    uint8_t         LUT[VOUT_MAX_PLANES][ACCURACY + 1][256];
#ifdef PACKED_YUV
    uint8_t         LUT2[VOUT_MAX_PLANES][256][500];
#endif
#endif
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#ifndef SYS_MINGW32
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    bool   b_xinerama;
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#endif
#endif
    int    i_col;
    int    i_row;
    int    i_vout;
    struct vout_list_t
    {
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        bool b_active;
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        int i_width;
        int i_height;
        vout_thread_t *p_vout;
    } *pp_vout;
};



/*****************************************************************************
 * Control: control facility for the vout (forwards to child vout)
 *****************************************************************************/
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
{
    int i_row, i_col, i_vout = 0;

    for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
    {
        for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
        {
            vout_vaControl( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                            i_query, args );
            i_vout++;
        }
    }
    return VLC_SUCCESS;
}

/*****************************************************************************
 * Create: allocates Wall video thread output method
 *****************************************************************************
 * This function allocates and initializes a Wall vout method.
 *****************************************************************************/
static int Create( vlc_object_t *p_this )
{
    vout_thread_t *p_vout = (vout_thread_t *)p_this;
    char *psz_method, *psz_tmp, *psz_method_tmp;
    int i_vout;

    /* Allocate structure */
    p_vout->p_sys = malloc( sizeof( vout_sys_t ) );
    if( p_vout->p_sys == NULL )
        return VLC_ENOMEM;

    p_vout->pf_init = Init;
    p_vout->pf_end = End;
    p_vout->pf_manage = NULL;
/* Color Format not supported
// Planar Y, packed UV
case VLC_FOURCC('Y','M','G','A'):
// Packed YUV 4:2:2, U:Y:V:Y, interlaced
case VLC_FOURCC('I','U','Y','V'):    // packed by 2
// Packed YUV 2:1:1, Y:U:Y:V
case VLC_FOURCC('Y','2','1','1'):     // packed by 4
// Packed YUV Reverted
case VLC_FOURCC('c','y','u','v'):    // packed by 2
*/
    switch (p_vout->render.i_chroma)
    {
    // planar YUV
        case VLC_FOURCC('I','4','4','4'):
        case VLC_FOURCC('I','4','2','2'):
        case VLC_FOURCC('I','4','2','0'):
        case VLC_FOURCC('Y','V','1','2'):
        case VLC_FOURCC('I','Y','U','V'):
        case VLC_FOURCC('I','4','1','1'):
        case VLC_FOURCC('I','4','1','0'):
        case VLC_FOURCC('Y','V','U','9'):
        case VLC_FOURCC('Y','U','V','A'):
            p_vout->pf_render = RenderPlanarYUV;
            break;
    // packed RGB
        case VLC_FOURCC('R','G','B','2'):    // packed by 1
        case VLC_FOURCC('R','V','1','5'):    // packed by 2
        case VLC_FOURCC('R','V','1','6'):    // packed by 2
        case VLC_FOURCC('R','V','2','4'):    // packed by 3
        case VLC_FOURCC('R','V','3','2'):    // packed by 4
            p_vout->pf_render = RenderPackedRGB;
            break;
#ifdef PACKED_YUV
    // packed YUV
        case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
        case VLC_FOURCC('Y','U','N','V'):    // packed by 2
        case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
        case VLC_FOURCC('U','Y','N','V'):    // packed by 2
        case VLC_FOURCC('Y','4','2','2'):    // packed by 2
            p_vout->pf_render = RenderPackedYUV;
            break;
#endif
        default:
            msg_Err( p_vout, "colorspace not supported by plug-in !!!");
            free( p_vout->p_sys );
            return VLC_ENOMEM;
    }
    p_vout->pf_display = NULL;
    p_vout->pf_control = Control;

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    config_ChainParse( p_vout, CFG_PREFIX, ppsz_filter_options,
                       p_vout->p_cfg );

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    /* Look what method was requested */
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    p_vout->p_sys->i_col = var_CreateGetInteger( p_vout, CFG_PREFIX "cols" );
    p_vout->p_sys->i_row = var_CreateGetInteger( p_vout, CFG_PREFIX "rows" );
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// OS dependent code :  Autodetect number of displays in wall
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#ifdef SYS_MINGW32
    if ((p_vout->p_sys->i_col < 0) || (p_vout->p_sys->i_row < 0) )
    {
        int nbMonitors = GetSystemMetrics(SM_CMONITORS);
        if (nbMonitors == 1)
        {
            nbMonitors = 5; // 1 display => 5x1 simulation
            p_vout->p_sys->i_col = nbMonitors;
            p_vout->p_sys->i_row = 1;
        }
        else
        {
            p_vout->p_sys->i_col = GetSystemMetrics( SM_CXVIRTUALSCREEN ) / GetSystemMetrics( SM_CXSCREEN );
            p_vout->p_sys->i_row = GetSystemMetrics( SM_CYVIRTUALSCREEN ) / GetSystemMetrics( SM_CYSCREEN );
            if (p_vout->p_sys->i_col * p_vout->p_sys->i_row != nbMonitors)
            {
                p_vout->p_sys->i_col = nbMonitors;
                p_vout->p_sys->i_row = 1;
            }
        }
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        var_SetInteger( p_vout, CFG_PREFIX "cols", p_vout->p_sys->i_col);
        var_SetInteger( p_vout, CFG_PREFIX "rows", p_vout->p_sys->i_row);
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    }
#endif

#ifdef OVERLAP
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    p_vout->p_sys->i_offset_x = var_CreateGetBool( p_vout, CFG_PREFIX "offset-x" );
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    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
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    p_vout->p_sys->b_autocrop = !(var_CreateGetInteger( p_vout, "crop-ratio" ) == 0);
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    if (!p_vout->p_sys->b_autocrop) p_vout->p_sys->b_autocrop = var_CreateGetInteger( p_vout, "autocrop" );
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    p_vout->p_sys->b_attenuate = var_CreateGetBool( p_vout, CFG_PREFIX "attenuate");
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    p_vout->p_sys->bz_length = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-length" );
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    if (p_vout->p_sys->i_row > 1)
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        p_vout->p_sys->bz_height = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-height" );
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    else
        p_vout->p_sys->bz_height = 100;
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    p_vout->p_sys->bz_begin = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-begin" );
    p_vout->p_sys->bz_middle = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-middle" );
    p_vout->p_sys->bz_end = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-end" );
    p_vout->p_sys->bz_middle_pos = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-middle-pos" );
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    double d_p = 100.0 / p_vout->p_sys->bz_middle_pos;
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    p_vout->p_sys->i_ratio_max = var_CreateGetInteger( p_vout, "autocrop-ratio-max" ); // in crop module with autocrop ...
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    p_vout->p_sys->i_ratio = var_CreateGetInteger( p_vout, "crop-ratio" ); // in crop module with manual ratio ...
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    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;
    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;
    p_vout->p_sys->a_0 =  p_vout->p_sys->bz_begin;

#ifdef GAMMA
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    p_vout->p_sys->f_gamma_red = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
    p_vout->p_sys->f_gamma_green = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
    p_vout->p_sys->f_gamma_blue = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
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#endif
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#ifndef SYS_MINGW32
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    p_vout->p_sys->b_xinerama = var_CreateGetBool( p_vout, CFG_PREFIX "xinerama" );
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#endif
#else
    p_vout->p_sys->i_col = __MAX( 1, __MIN( 15, p_vout->p_sys->i_col ) );
    p_vout->p_sys->i_row = __MAX( 1, __MIN( 15, p_vout->p_sys->i_row ) );
#endif

    msg_Dbg( p_vout, "opening a %i x %i wall",
             p_vout->p_sys->i_col, p_vout->p_sys->i_row );

    p_vout->p_sys->pp_vout = malloc( p_vout->p_sys->i_row *
                                     p_vout->p_sys->i_col *
                                     sizeof(struct vout_list_t) );
    if( p_vout->p_sys->pp_vout == NULL )
    {
        free( p_vout->p_sys );
        return VLC_ENOMEM;
    }

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    psz_method_tmp =
    psz_method = var_CreateGetNonEmptyString( p_vout, CFG_PREFIX "active" );
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    /* If no trailing vout are specified, take them all */
    if( psz_method == NULL )
    {
        for( i_vout = p_vout->p_sys->i_row * p_vout->p_sys->i_col;
             i_vout--; )
        {
            p_vout->p_sys->pp_vout[i_vout].b_active = 1;
        }
    }
    /* If trailing vout are specified, activate only the requested ones */
    else
    {
        for( i_vout = p_vout->p_sys->i_row * p_vout->p_sys->i_col;
             i_vout--; )
        {
            p_vout->p_sys->pp_vout[i_vout].b_active = 0;
        }

        while( *psz_method )
        {
            psz_tmp = psz_method;
            while( *psz_tmp && *psz_tmp != ',' )
            {
                psz_tmp++;
            }

            if( *psz_tmp )
            {
                *psz_tmp = '\0';
                i_vout = atoi( psz_method );
                psz_method = psz_tmp + 1;
            }
            else
            {
                i_vout = atoi( psz_method );
                psz_method = psz_tmp;
            }

            if( i_vout >= 0 &&
                i_vout < p_vout->p_sys->i_row * p_vout->p_sys->i_col )
            {
                p_vout->p_sys->pp_vout[i_vout].b_active = 1;
            }
        }
    }

    free( psz_method_tmp );

    return VLC_SUCCESS;
}


#ifdef OVERLAP
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/*****************************************************************************
 * CLIP_0A: clip between 0 and ACCURACY
 *****************************************************************************/
inline static int CLIP_0A( int a )
{
    return (a > ACCURACY) ? ACCURACY : (a < 0) ? 0 : a;
}

#ifdef GAMMA
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/*****************************************************************************
 *  Gamma: Gamma correction
 *****************************************************************************/
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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])
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{
    float f_Input;

    f_Input = (f_component * f_BlackLevel[i_plane]) / (f_BlackCrush[i_plane]) + (1.0 - f_BlackLevel[i_plane]);
    if (f_component <= f_BlackCrush[i_plane])
         return pow(f_Input, 1.0 / f_Gamma[i_plane]);
    else if (f_component >= f_WhiteCrush[i_plane])
    {
        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);
        return pow(f_Input, 1.0 / f_Gamma[i_plane]);
    }
           else
            return 1.0;
}

#ifdef PACKED_YUV

/*****************************************************************************
 * F: Function to calculate Gamma correction
 *****************************************************************************/
static uint8_t F(uint8_t i, float gamma)
{
 double input = (double) i / 255.0;

// return clip(255 * pow(input, 1.0 / gamma));

 if (input < 0.5)
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     return clip_uint8((255 * pow(2 * input, gamma)) / 2);
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 else
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     return clip_uint8(255 * (1 - pow(2 * (1 - input), gamma) / 2));
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}
#endif
#endif

/*****************************************************************************
 * AdjustHeight: ajust p_sys->i_height to have same BZ width for any ratio
 *****************************************************************************/
static int AdjustHeight( vout_thread_t *p_vout )
{
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    bool b_fullscreen = p_vout->b_fullscreen;
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    int i_window_width = p_vout->i_window_width;
    int i_window_height = p_vout->i_window_height;
    double d_halfLength = 0;
    double d_halfLength_crop;
    double d_halfLength_calculated;
    int    i_offset = 0;

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    // OS DEPENDENT CODE to get display dimensions
    if (b_fullscreen )
    {
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#ifdef SYS_MINGW32
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        i_window_width  = GetSystemMetrics(SM_CXSCREEN);
        i_window_height = GetSystemMetrics(SM_CYSCREEN);
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#else
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        Display *p_display = XOpenDisplay( "" );
        if (p_vout->p_sys->b_xinerama)
        {
            i_window_width = DisplayWidth(p_display, 0) / p_vout->p_sys->i_col;
            i_window_height = DisplayHeight(p_display, 0) / p_vout->p_sys->i_row;
        }
        else
        {
            i_window_width = DisplayWidth(p_display, 0);
            i_window_height = DisplayHeight(p_display, 0);
        }
        XCloseDisplay( p_display );
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#endif
        var_SetInteger( p_vout, "width", i_window_width);
        var_SetInteger( p_vout, "height", i_window_height);
        p_vout->i_window_width = i_window_width;
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        p_vout->i_window_height = i_window_height;
    }
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    if( p_vout->p_sys->bz_length)
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        if ((!p_vout->p_sys->b_autocrop) && (!p_vout->p_sys->i_ratio))
        {
            if ((p_vout->p_sys->i_row > 1) || (p_vout->p_sys->i_col > 1))
            {
              while ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col)))
              {
                if (p_vout->p_sys->bz_length >= 50)
                    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);
                else
                {
                    d_halfLength = (p_vout->render.i_width * p_vout->p_sys->bz_length) / (100.0 * p_vout->p_sys->i_col);
                    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);
                }
                if ((d_halfLength <= 0) || (d_halfLength > p_vout->render.i_width / (2 * p_vout->p_sys->i_col))) p_vout->p_sys->i_row--;
                if (p_vout->p_sys->i_row < 1 )
                {
                    p_vout->p_sys->i_row = 1;
                    break;
                }
              }
              p_vout->p_sys->i_halfLength = (d_halfLength + 0.5);
              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;
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              var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
              var_SetInteger( p_vout, "panoramix-rows", p_vout->p_sys->i_row);
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              }
        }
        else
        {
            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;
            d_halfLength_crop = d_halfLength * VOUT_ASPECT_FACTOR * (double)p_vout->output.i_width
                        / (double)i_window_height / (double)p_vout->render.i_aspect;
            p_vout->p_sys->i_halfLength = (d_halfLength_crop + 0.5);
            d_halfLength_calculated = p_vout->p_sys->i_halfLength * (double)i_window_height *
                                (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width;

            if (!p_vout->p_sys->b_attenuate)
            {
                double d_bz_length = (p_vout->p_sys->i_halfLength * p_vout->p_sys->i_col * 100.0) / p_vout->render.i_width;
                // F(2x) != 2F(x) in opengl module
                if (p_vout->p_sys->i_col == 2) d_bz_length = (100.0 * d_bz_length) / (100.0 - d_bz_length) ;
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                var_SetInteger( p_vout, "bz-length", (int)(d_bz_length + 0.5));
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            }
            i_offset =  (int)d_halfLength - (int)
                        (p_vout->p_sys->i_halfLength * (double)i_window_height *
                        (double)p_vout->render.i_aspect  /     VOUT_ASPECT_FACTOR / (double)p_vout->output.i_width);
        }
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    else
        d_halfLength = 0;
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    return i_offset;
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}
#endif


/*****************************************************************************
 * Init: initialize Wall video thread output method
 *****************************************************************************/
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#define VLC_XCHG( type, a, b ) do { type __tmp = (b); (b) = (a); (a) = __tmp; } while(0)

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static int Init( vout_thread_t *p_vout )
{
    int i_index, i_row, i_col, i_width, i_height;
    picture_t *p_pic;

    I_OUTPUTPICTURES = 0;

    /* Initialize the output structure */
    p_vout->output.i_chroma = p_vout->render.i_chroma;
    p_vout->output.i_width  = p_vout->render.i_width;
    p_vout->output.i_height = p_vout->render.i_height;
    p_vout->output.i_aspect = p_vout->render.i_aspect;
#ifdef OVERLAP
    p_vout->p_sys->b_has_changed = p_vout->p_sys->b_attenuate;
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    int i_video_x = var_GetInteger( p_vout, "video-x");
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    int i_video_y = var_GetInteger( p_vout, "video-y");
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#ifdef GAMMA
    if (p_vout->p_sys->b_attenuate)
    {
        int i_index2, i_plane;
        int constantYUV[3] = {0,128,128};
        float    f_BlackCrush[VOUT_MAX_PLANES];
        float    f_BlackLevel[VOUT_MAX_PLANES];
        float    f_WhiteCrush[VOUT_MAX_PLANES];
        float    f_WhiteLevel[VOUT_MAX_PLANES];
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        p_vout->p_sys->f_gamma[0] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-red" );
        p_vout->p_sys->f_gamma[1] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-green" );
        p_vout->p_sys->f_gamma[2] = var_CreateGetFloat( p_vout, CFG_PREFIX "bz-gamma-blue" );
        f_BlackCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-red" ) / 255.0;
        f_BlackCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-green" ) / 255.0;
        f_BlackCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blackcrush-blue" ) / 255.0;
        f_WhiteCrush[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-red" ) / 255.0;
        f_WhiteCrush[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-green" ) / 255.0;
        f_WhiteCrush[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitecrush-blue" ) / 255.0;
        f_BlackLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-red" ) / 255.0;
        f_BlackLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-green" ) / 255.0;
        f_BlackLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-blacklevel-blue" ) / 255.0;
        f_WhiteLevel[0] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-red" ) / 255.0;
        f_WhiteLevel[1] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-green" ) / 255.0;
        f_WhiteLevel[2] = var_CreateGetInteger( p_vout, CFG_PREFIX "bz-whitelevel-blue" ) / 255.0;
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        for( int i = 3; i < VOUT_MAX_PLANES; i++ )
        {
            /* Initialize unsupported planes */
            f_BlackCrush[i] = 140.0/255.0;
            f_WhiteCrush[i] = 200.0/255.0;
            f_BlackLevel[i] = 150.0/255.0;
            f_WhiteLevel[i] = 0.0/255.0;
            p_vout->p_sys->f_gamma[i] = 1.0;
        }

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        switch (p_vout->render.i_chroma)
        {
        // planar YVU
            case VLC_FOURCC('Y','V','1','2'):
            case VLC_FOURCC('Y','V','U','9'):
        // packed UYV
            case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
            case VLC_FOURCC('U','Y','N','V'):    // packed by 2
            case VLC_FOURCC('Y','4','2','2'):    // packed by 2
    //        case VLC_FOURCC('c','y','u','v'):    // packed by 2
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                VLC_XCHG( float, p_vout->p_sys->f_gamma[1], p_vout->p_sys->f_gamma[2] );
                VLC_XCHG( float, f_BlackCrush[1], f_BlackCrush[2] );
                VLC_XCHG( float, f_WhiteCrush[1], f_WhiteCrush[2] );
                VLC_XCHG( float, f_BlackLevel[1], f_BlackLevel[2] );
                VLC_XCHG( float, f_WhiteLevel[1], f_WhiteLevel[2] );
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        // planar YUV
            case VLC_FOURCC('I','4','4','4'):
            case VLC_FOURCC('I','4','2','2'):
            case VLC_FOURCC('I','4','2','0'):
            case VLC_FOURCC('I','4','1','1'):
            case VLC_FOURCC('I','4','1','0'):
            case VLC_FOURCC('I','Y','U','V'):
            case VLC_FOURCC('Y','U','V','A'):
        // packed YUV
            case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
            case VLC_FOURCC('Y','U','N','V'):    // packed by 2
                for (i_index = 0; i_index < 256; i_index++)
                    for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
                        for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
                        {
                            float f_lut = CLIP_01(1.0 -
                                     ((ACCURACY - (float)i_index2)
                                     * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
                                     / (ACCURACY - 1)));
                            p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index + (int)((1.0 - f_lut) * (float)constantYUV[i_plane]);
                        }
                break;
        // packed RGB
            case VLC_FOURCC('R','G','B','2'):    // packed by 1
            case VLC_FOURCC('R','V','1','5'):    // packed by 2
            case VLC_FOURCC('R','V','1','6'):    // packed by 2
            case VLC_FOURCC('R','V','2','4'):    // packed by 3
            case VLC_FOURCC('R','V','3','2'):    // packed by 4
            for (i_index = 0; i_index < 256; i_index++)
                    for (i_index2 = 0; i_index2 <= ACCURACY; i_index2++)
                        for (i_plane = 0; i_plane < VOUT_MAX_PLANES; i_plane++)
                        {
                            float f_lut = CLIP_01(1.0 -
                                     ((ACCURACY - (float)i_index2)
                                     * Gamma_Correction(i_plane, (float)i_index / 255.0, f_BlackCrush, f_WhiteCrush, f_BlackLevel, f_WhiteLevel, p_vout->p_sys->f_gamma)
                                     / (ACCURACY - 1)));
                            p_vout->p_sys->LUT[i_plane][i_index2][i_index] = f_lut * i_index;
                        }
                break;
            default:
                msg_Err( p_vout, "colorspace not supported by plug-in !!!");
                free( p_vout->p_sys );
                return VLC_ENOMEM;
        }
    }
#endif
    if (p_vout->p_sys->i_offset_x)
        p_vout->p_sys->i_offset_x = AdjustHeight(p_vout);
    else
        AdjustHeight(p_vout);
#endif

    /* Try to open the real video output */
    msg_Dbg( p_vout, "spawning the real video outputs" );

    p_vout->p_sys->i_vout = 0;

    /* FIXME: use bresenham instead of those ugly divisions */
    for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
    {
        for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
        {
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            video_format_t fmt;

            memset( &fmt, 0, sizeof(video_format_t) );

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            if( i_col + 1 < p_vout->p_sys->i_col )
            {
                i_width = ( p_vout->render.i_width
                             / p_vout->p_sys->i_col ) & ~0x1;
            }
            else
            {
                i_width = p_vout->render.i_width
                           - ( ( p_vout->render.i_width
                                  / p_vout->p_sys->i_col ) & ~0x1 ) * i_col;

            }
#ifdef OVERLAP
            i_width += p_vout->p_sys->i_halfLength;
            if (p_vout->p_sys->i_col > 2 ) i_width += p_vout->p_sys->i_halfLength;
            i_width -= i_width % 2;
#endif
            if( i_row + 1 < p_vout->p_sys->i_row )
            {
                i_height = ( p_vout->render.i_height
                              / p_vout->p_sys->i_row ) & ~0x3;
            }
            else
            {
                i_height = p_vout->render.i_height
                            - ( ( p_vout->render.i_height
                                   / p_vout->p_sys->i_row ) & ~0x3 ) * i_row;
            }

#ifdef OVERLAP
            if (p_vout->p_sys->i_row >= 2)
            {
                p_vout->p_sys->i_halfHeight = (p_vout->p_sys->i_halfLength * p_vout->p_sys->bz_height) / 100;
                p_vout->p_sys->i_halfHeight -= (p_vout->p_sys->i_halfHeight % 2);
                i_height += p_vout->p_sys->i_halfHeight;
                if (p_vout->p_sys->i_row > 2) i_height += p_vout->p_sys->i_halfHeight;
            }
            i_height -= i_height % 2;
#endif
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_width = i_width;
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].i_height = i_height;

            if( !p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].b_active )
            {
                p_vout->p_sys->i_vout++;
                continue;
            }

            fmt.i_width = fmt.i_visible_width = p_vout->render.i_width;
            fmt.i_height = fmt.i_visible_height = p_vout->render.i_height;
            fmt.i_x_offset = fmt.i_y_offset = 0;
            fmt.i_chroma = p_vout->render.i_chroma;
            fmt.i_aspect = p_vout->render.i_aspect;
            fmt.i_sar_num = p_vout->render.i_aspect * fmt.i_height / fmt.i_width;
            fmt.i_sar_den = VOUT_ASPECT_FACTOR;
            fmt.i_width = fmt.i_visible_width = i_width;
            fmt.i_height = fmt.i_visible_height = i_height;
            fmt.i_aspect = p_vout->render.i_aspect
                              * p_vout->render.i_height / i_height
                              * i_width / p_vout->render.i_width;
#ifdef OVERLAP
            if (p_vout->p_sys->i_offset_x < 0)
            {
                var_SetInteger(p_vout, "video-x", -p_vout->p_sys->i_offset_x);
                p_vout->p_sys->i_offset_x = 0;
            }
#endif
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout =
                vout_Create( p_vout, &fmt);

            if( p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout == NULL )
            {
                msg_Err( p_vout, "failed to get %ix%i vout threads",
                                 p_vout->p_sys->i_col, p_vout->p_sys->i_row );
                RemoveAllVout( p_vout );
                return VLC_EGENERIC;
            }
            ADD_CALLBACKS(
                p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout,
                SendEvents );
#ifdef OVERLAP
            p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment = 0;
            if (i_col == 0) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_RIGHT;
            else if (i_col == p_vout->p_sys->i_col -1) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_LEFT;
            if (p_vout->p_sys->i_row > 1)
            {
                if (i_row == 0) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_BOTTOM;
                else if (i_row == p_vout->p_sys->i_row -1) p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment |= VOUT_ALIGN_TOP;
            }
    // i_n : number of active pp_vout
            int i_index, i_n = p_vout->p_sys->i_vout;
                for (i_index = p_vout->p_sys->i_vout; i_index >= 0; i_index--) if (!p_vout->p_sys->pp_vout[i_index].b_active) i_n -= 1;
            var_SetInteger( p_vout, "align", p_vout->p_sys->pp_vout[ p_vout->p_sys->i_vout ].p_vout->i_alignment );
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            var_SetInteger( p_vout, "video-x",i_video_x + p_vout->p_sys->i_offset_x + ((i_n + 1) % p_vout->p_sys->i_col) * p_vout->i_window_width);
            var_SetInteger( p_vout, "video-y",i_video_y + ((i_n + 1) / p_vout->p_sys->i_col) * p_vout->i_window_height);
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#endif
            p_vout->p_sys->i_vout++;
        }
    }

    ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES );

    ADD_PARENT_CALLBACKS( SendEventsToChild );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * End: terminate Wall video thread output method
 *****************************************************************************/
static void End( vout_thread_t *p_vout )
{
    int i_index;

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    DEL_PARENT_CALLBACKS( SendEventsToChild );

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    /* Free the fake output buffers we allocated */
    for( i_index = I_OUTPUTPICTURES ; i_index ; )
    {
        i_index--;
        free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig );
    }
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    RemoveAllVout( p_vout );

#ifdef OVERLAP
    var_SetInteger( p_vout, "bz-length", p_vout->p_sys->bz_length);
#endif
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}

/*****************************************************************************
 * Destroy: destroy Wall video thread output method
 *****************************************************************************
 * Terminate an output method created by WallCreateOutputMethod
 *****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
    vout_thread_t *p_vout = (vout_thread_t *)p_this;

    free( p_vout->p_sys->pp_vout );
    free( p_vout->p_sys );

}

/*****************************************************************************
 * RenderPlanarYUV: displays previously rendered output
 *****************************************************************************
 * This function send the currently rendered image to Wall image, waits
 * until it is displayed and switch the two rendering buffers, preparing next
 * frame.
 *****************************************************************************/
static void RenderPlanarYUV( vout_thread_t *p_vout, picture_t *p_pic )
{
    picture_t *p_outpic = NULL;
    int i_col, i_row, i_vout, i_plane;
    int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
#ifdef OVERLAP
    int LeftOffset, TopOffset;
    int constantYUV[3] = {0,128,128};
    int Denom;
    int a_2;
    int a_1;
    int a_0;
    int i_index, i_index2;
#endif


    i_vout = 0;

    for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
    {
        pi_top_skip[i_plane] = 0;
    }

    for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
    {
        for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
        {
            pi_left_skip[i_plane] = 0;
        }

        for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
        {
            if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
            {
                for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
                {
                    pi_left_skip[i_plane] +=
                        p_vout->p_sys->pp_vout[ i_vout ].i_width
                         * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
                }
                i_vout++;
                continue;
            }

            while( ( p_outpic =
                vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                    0, 0, 0 )
                   ) == NULL )
            {
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                if( !vlc_object_alive (p_vout) || p_vout->b_error )
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                {
                    vout_DestroyPicture(
                        p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
                    return;
                }

                msleep( VOUT_OUTMEM_SLEEP );
            }

            vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                              p_outpic, p_pic->date );
            vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                              p_outpic );

            for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
            {
                uint8_t *p_in, *p_in_end, *p_out;
                int i_in_pitch = p_pic->p[i_plane].i_pitch;
                int i_out_pitch = p_outpic->p[i_plane].i_pitch;
                int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;
                int i_lines = p_outpic->p[i_plane].i_visible_lines;
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#ifdef OVERLAP
                if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if ((p_vout->p_sys->i_row > 2) && (i_row == 1) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
                    pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
// i_n : previous inactive pp_vout
                int i_n=0;
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                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++;
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                if ((i_col > 1) && i_n)
                    pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);

                p_in = p_pic->p[i_plane].p_pixels
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                        + pi_top_skip[i_plane] + pi_left_skip[i_plane]; /* Wall proprities */
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                if ((p_vout->p_sys->i_row > 2) &&
                    ((!i_row) || (i_row + 1 == p_vout->p_sys->i_row)))
                        i_lines -= (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);

// 1088 lines bug in a mpeg2 stream of 1080 lines
                if ((p_vout->p_sys->i_row - 1 == i_row) &&
                    (p_pic->p[i_plane].i_lines == 1088))
                        i_lines -= 8 / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);

                p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
#else
                p_in = p_pic->p[i_plane].p_pixels
                        + pi_top_skip[i_plane] + pi_left_skip[i_plane];

                p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
#endif
                p_out = p_outpic->p[i_plane].p_pixels;
#ifdef OVERLAP
        if ((p_vout->p_sys->i_row > 2) && (!i_row))
            p_out += (p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch));

        int length;
        int i_col_mod;
        length = 2 * p_vout->p_sys->i_halfLength / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);

        if (p_vout->p_sys->b_has_changed)
        {
            Denom = F2(length);
            a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
            a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
            a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
            for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
             for (i_index = 0; i_index < length; i_index++)
             {
                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);
                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;
             }
        }
#endif
            while( p_in < p_in_end )
            {
#ifndef OVERLAP
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                vlc_memcpy( p_out, p_in, i_copy_pitch);
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#else
                if (p_vout->p_sys->i_col > 2)
                {
                    length /= 2;
                    if (i_col == 0)
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                        vlc_memcpy( p_out + length , p_in, i_copy_pitch - length);
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                    else if (i_col + 1 == p_vout->p_sys->i_col)
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                        vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
                    else
                        vlc_memcpy( p_out, p_in - length, i_copy_pitch);
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                    if ((i_col == 0))
                    // black bar
                    {
                        LeftOffset = 0;
                        p_out += LeftOffset;
                        memset(p_out, constantYUV[i_plane], length);
                        p_out -= LeftOffset;
                    }
                    else if ((i_col + 1 == p_vout->p_sys->i_col ))
                    // black bar
                        {
                            LeftOffset = i_copy_pitch - length;
                            p_out += LeftOffset;
                            memset(p_out, constantYUV[i_plane], length);
                            p_out -= LeftOffset;
                        }
                    length *= 2;
                }
                else
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                    vlc_memcpy( p_out , p_in, i_copy_pitch);
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              if (p_vout->p_sys->b_attenuate)
            {
// vertical blend
// first blended zone
                if (i_col)
                {
                    LeftOffset = 0;
                    p_out += LeftOffset;
                    for (i_index = 0; i_index < length; i_index++)
                    {
#ifndef GAMMA
                        *(p_out + i_index) = (p_vout->p_sys->lambda[1][i_plane][i_index] *
                                 (*(p_out + i_index))) / ACCURACY +
                                     p_vout->p_sys->cstYUV[1][i_plane][i_index];
#else
                            *(p_out + i_index) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda[1][i_plane][i_index]][*(p_out + i_index)];
#endif
                    }
                    p_out -= LeftOffset;
                }
// second blended zone
                if (i_col + 1 < p_vout->p_sys->i_col)
                {
                    LeftOffset = i_copy_pitch - length;
                    p_out +=  LeftOffset;
                    for (i_index = 0; i_index < length; i_index++)
                    {
#ifndef GAMMA
                            *(p_out + i_index) = (p_vout->p_sys->lambda[0][i_plane][i_index] *
                                     (*(p_out + i_index))) / ACCURACY +
                                     p_vout->p_sys->cstYUV[0][i_plane][i_index];
#else

                        *(p_out + i_index) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda[0][i_plane][i_index]][*(p_out + i_index)];
#endif
                    }
                    p_out -= LeftOffset;
                }
// end blended zone
            }
#endif
                p_in += i_in_pitch;
                p_out += i_out_pitch;
            }
#ifdef OVERLAP
// horizontal blend
        if (!p_vout->p_sys->b_attenuate)
        {
            if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
            // black bar
            {
                    int height = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                    TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                    p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                    for (i_index = 0; i_index < height; i_index++)
                        for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                            *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
                    p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
            else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
            // black bar
                {
                        int height = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                        TopOffset = height - (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                        p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                        for (i_index = 0; i_index < height; i_index++)
                            for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                                *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
                        p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
                }
        }
        else
        {
            if (p_vout->p_sys->i_row >= 2)
            {
                length = 2 * p_vout->p_sys->i_halfHeight / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if (p_vout->p_sys->b_has_changed)
                {
                    Denom = F2(length);
                    a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
                    a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
                    a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
                   for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
                    for (i_index = 0; i_index < length; i_index++)
                    {
                        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);
                        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;
                    }
                }
// first blended zone

            if (i_row)
            {
                TopOffset = i_lines;
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
#ifndef GAMMA
                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[1][i_plane][i_index] *
                                     (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
                                     p_vout->p_sys->cstYUV2[1][i_plane][i_index];
#else

                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda2[1][i_plane][i_index]][*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2)];
#endif
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
            else if (p_vout->p_sys->i_row > 2)
            // black bar
            {
                TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }

// second blended zone

            if (i_row + 1 < p_vout->p_sys->i_row)
            {
                TopOffset = length;
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
#ifndef GAMMA
                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = (p_vout->p_sys->lambda2[0][i_plane][i_index] *
                                     (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY +
                                     p_vout->p_sys->cstYUV2[0][i_plane][i_index];
#else

                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = p_vout->p_sys->LUT[i_plane][p_vout->p_sys->lambda2[0][i_plane][i_index]][*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2)];

#endif
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
            else if (p_vout->p_sys->i_row > 2)
            // black bar
            {
                TopOffset = length - (2 * p_vout->p_sys->i_halfHeight) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = constantYUV[i_plane];
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
// end blended zone
            }
        }
#endif
// bug for wall filter : fix by CC
//            pi_left_skip[i_plane] += i_out_pitch;
            pi_left_skip[i_plane] += i_copy_pitch;
            }

            vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                p_outpic );
            vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                 p_outpic );
            i_vout++;
        }

        for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
                {
                    pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
                                             * p_pic->p[i_plane].i_lines
                                             / p_vout->output.i_height
                                             * p_pic->p[i_plane].i_pitch;
                }

    }
#ifdef OVERLAP
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    if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
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#endif
}


/*****************************************************************************
 * RenderPackedRGB: displays previously rendered output
 *****************************************************************************
 * This function send the currently rendered image to Wall image, waits
 * until it is displayed and switch the two rendering buffers, preparing next
 * frame.
 *****************************************************************************/
static void RenderPackedRGB( vout_thread_t *p_vout, picture_t *p_pic )
{
    picture_t *p_outpic = NULL;
    int i_col, i_row, i_vout, i_plane;
    int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
#ifdef OVERLAP
    int LeftOffset, TopOffset;
    int Denom;
    int a_2;
    int a_1;
    int a_0;
    int i_index, i_index2;
#endif

    i_vout = 0;

    for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
    {
        pi_top_skip[i_plane] = 0;
    }

    for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
    {
        for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
        {
            pi_left_skip[i_plane] = 0;
        }

        for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
        {
            if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
            {
                for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
                {
                    pi_left_skip[i_plane] +=
                        p_vout->p_sys->pp_vout[ i_vout ].i_width * p_pic->p->i_pixel_pitch;
                }
                i_vout++;
                continue;
            }

            while( ( p_outpic =
                vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                    0, 0, 0 )
                   ) == NULL )
            {
1312
                if( !vlc_object_alive (p_vout) || p_vout->b_error )
1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390
                {
                    vout_DestroyPicture(
                        p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
                    return;
                }

                msleep( VOUT_OUTMEM_SLEEP );
            }

            vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                              p_outpic, p_pic->date );
            vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                              p_outpic );

            for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
            {
                uint8_t *p_in, *p_in_end, *p_out;
                int i_in_pitch = p_pic->p[i_plane].i_pitch;
                int i_out_pitch = p_outpic->p[i_plane].i_pitch;
                int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;

#ifdef OVERLAP
                if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength) * p_pic->p->i_pixel_pitch;
                if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch);
                if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
                    pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch);
// i_n : previous inactive pp_vout
                int i_n=0;
                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++;
                if ((i_col > 1) && i_n)
                    pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) * p_pic->p->i_pixel_pitch;

                p_in = p_pic->p[i_plane].p_pixels
                /* Wall proprities */
                + pi_top_skip[i_plane] + pi_left_skip[i_plane];

                int i_lines = p_outpic->p[i_plane].i_visible_lines;
// 1088 lines bug in a mpeg2 stream of 1080 lines
                if ((p_vout->p_sys->i_row - 1 == i_row) &&
                    (p_pic->p[i_plane].i_lines == 1088))
                        i_lines -= 8;

                p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
#else
                p_in = p_pic->p[i_plane].p_pixels
                        + pi_top_skip[i_plane] + pi_left_skip[i_plane];

                p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
                                        * p_pic->p[i_plane].i_pitch;
#endif //OVERLAP

                p_out = p_outpic->p[i_plane].p_pixels;


#ifdef OVERLAP
        if ((p_vout->p_sys->i_row > 2) && (!i_row))
            p_out += (p_outpic->p[i_plane].i_pitch * (2 * p_vout->p_sys->i_halfHeight) * p_pic->p->i_pixel_pitch);

        int length;
        length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;

        if (p_vout->p_sys->b_has_changed)
        {
            int i_plane_;
            int i_col_mod;
            Denom = F2(length / p_pic->p->i_pixel_pitch);
            a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
            a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
            a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
            for(i_col_mod = 0; i_col_mod < 2; i_col_mod++)
                for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
                    for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
                        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);
        }
#endif
            while( p_in < p_in_end )
            {
#ifndef OVERLAP
1391
                vlc_memcpy( p_out, p_in, i_copy_pitch );
1392 1393 1394 1395 1396 1397
#else
                if (p_vout->p_sys->i_col > 2)
                {
                    // vertical blend
                    length /= 2;
                    if (i_col == 0)
1398
                        vlc_memcpy( p_out + length, p_in, i_copy_pitch - length);
1399
                    else if (i_col + 1 == p_vout->p_sys->i_col)
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                        vlc_memcpy( p_out, p_in - length, i_copy_pitch - length);
                    else
                        vlc_memcpy( p_out, p_in - length, i_copy_pitch);
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                    if ((i_col == 0))
                    // black bar
                    {
                        LeftOffset = 0;
                        p_out += LeftOffset;
                        p_in += LeftOffset;
                        for (i_index = 0; i_index < length; i_index++)
                                *(p_out + i_index) = 0;
                        p_out -= LeftOffset;
                        p_in -= LeftOffset;
                    }
                    else if ((i_col + 1 == p_vout->p_sys->i_col ))
                    // black bar
                        {
                            LeftOffset = i_copy_pitch - length;
                            p_out += LeftOffset;
                            p_in += LeftOffset;
                            for (i_index = 0; i_index < length; i_index++)
                                    *(p_out + i_index) = 0;
                            p_out -= LeftOffset;
                            p_in -= LeftOffset;
                        }
                    length *= 2;
                }
                else
1429
                    vlc_memcpy( p_out, p_in, i_copy_pitch);
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// vertical blend
// first blended zone
            if (i_col)
            {
                LeftOffset = 0;
                p_out += LeftOffset;
                for (i_index = 0; i_index < length; i_index++)
#ifndef GAMMA
                    *(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] *
                                 (*(p_out + i_index))) / ACCURACY;
#else
                    *(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)];
#endif
                p_out -= LeftOffset;
            }
// second blended zone
            if (i_col + 1 < p_vout->p_sys->i_col)
            {
                LeftOffset = i_copy_pitch - length;
                p_out +=  LeftOffset;
                for (i_index = 0; i_index < length; i_index++)
#ifndef GAMMA
                    *(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] *
                                 (*(p_out + i_index))) / ACCURACY;
#else
                    *(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)];
#endif
                p_out -= LeftOffset;
            }
// end blended zone
#endif //OVERLAP
                p_in += i_in_pitch;
                p_out += i_out_pitch;
            }
#ifdef OVERLAP
// horizontal blend
        if (!p_vout->p_sys->b_attenuate)
        {
            if ((i_row == 0) && (p_vout->p_sys->i_row > 2))
            // black bar
            {
                    TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
                    p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                    for (i_index = 0; i_index < length; i_index++)
                        for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                            *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
                    p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
            else if ((i_row + 1 == p_vout->p_sys->i_row) && (p_vout->p_sys->i_row > 2))
            // black bar
                {
                    TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
                    p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                    for (i_index = 0; i_index < length; i_index++)
                        for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                            *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
                    p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
                }
        }
        else
        {
            if (p_vout->p_sys->i_row >= 2)
            {
                length = 2 * p_vout->p_sys->i_halfHeight;
                if (p_vout->p_sys->b_has_changed)
                {
                    int i_plane_;
                    int i_row_mod;
                    Denom = F2(length);
                    a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
                    a_1 = p_vout->p_sys->a_1 * length * (ACCURACY / 100);
                    a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
                    for(i_row_mod = 0; i_row_mod < 2; i_row_mod++)
                      for (i_index = 0; i_index < length; i_index++)
                        for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
                            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);
                }
// first blended zone

            if (i_row)
            {
                TopOffset = i_lines;
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
#ifndef GAMMA
                    *(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] *
                                 (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
#else
                    *(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)];
#endif
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
            else if (p_vout->p_sys->i_row > 2)
            // black bar
            {
                TopOffset = i_lines + (2 * p_vout->p_sys->i_halfHeight);
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }

// second blended zone

            if (i_row + 1 < p_vout->p_sys->i_row)
            {
                TopOffset = length;
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
#ifndef GAMMA
                    *(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] *
                                 (*(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2))) / ACCURACY;
#else
                    *(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)];

#endif
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
            else if (p_vout->p_sys->i_row > 2)
            // black bar
            {
                TopOffset = length - (2 * p_vout->p_sys->i_halfHeight);
                p_out -= TopOffset * p_outpic->p[i_plane].i_pitch;
                for (i_index = 0; i_index < length; i_index++)
                    for (i_index2 = 0; i_index2 < i_copy_pitch; i_index2++)
                        *(p_out + (i_index * p_outpic->p[i_plane].i_pitch) + i_index2) = 0;
                p_out += TopOffset * p_outpic->p[i_plane].i_pitch;
            }
// end blended zone
            }
        }
#endif
// bug for wall filter : fix by CC
//            pi_left_skip[i_plane] += i_out_pitch;
            pi_left_skip[i_plane] += i_copy_pitch;
            }

            vout_UnlinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                p_outpic );
            vout_DisplayPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                 p_outpic );
            i_vout++;
        }

        for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
        {
            pi_top_skip[i_plane] += p_vout->p_sys->pp_vout[ i_vout ].i_height
                                     * p_pic->p[i_plane].i_lines
                                     / p_vout->output.i_height
                                     * p_pic->p[i_plane].i_pitch;
        }
    }
#ifdef OVERLAP
1587
    if (p_vout->p_sys->b_has_changed) p_vout->p_sys->b_has_changed = false;
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#endif
}


#ifdef PACKED_YUV
// WARNING : NO DEBUGGED
/*****************************************************************************
 * RenderPackedYUV: displays previously rendered output
 *****************************************************************************
 * This function send the currently rendered image to Wall image, waits
 * until it is displayed and switch the two rendering buffers, preparing next
 * frame.
 *****************************************************************************/
static void RenderPackedYUV( vout_thread_t *p_vout, picture_t *p_pic )
{
    picture_t *p_outpic = NULL;
    int i_col, i_row, i_vout, i_plane;
    int pi_left_skip[VOUT_MAX_PLANES], pi_top_skip[VOUT_MAX_PLANES];
#ifdef OVERLAP
    int LeftOffset, TopOffset;
    int constantYUV[3] = {0,128,128};
    int Denom;
    int a_2;
    int a_1;
    int a_0;
    int i_index, i_index2;
#endif


    i_vout = 0;

    for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
    {
        pi_top_skip[i_plane] = 0;
    }

    for( i_row = 0; i_row < p_vout->p_sys->i_row; i_row++ )
    {
        for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
        {
            pi_left_skip[i_plane] = 0;
        }

        for( i_col = 0; i_col < p_vout->p_sys->i_col; i_col++ )
        {
            if( !p_vout->p_sys->pp_vout[ i_vout ].b_active )
            {
                for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
                {
                    pi_left_skip[i_plane] +=
                        p_vout->p_sys->pp_vout[ i_vout ].i_width
                         * p_pic->p[i_plane].i_pitch / p_vout->output.i_width;
                }
                i_vout++;
                continue;
            }

            while( ( p_outpic =
                vout_CreatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                                    0, 0, 0 )
                   ) == NULL )
            {
1650
                if( !vlc_object_alive (p_vout) || p_vout->b_error )
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                {
                    vout_DestroyPicture(
                        p_vout->p_sys->pp_vout[ i_vout ].p_vout, p_outpic );
                    return;
                }

                msleep( VOUT_OUTMEM_SLEEP );
            }

            vout_DatePicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                              p_outpic, p_pic->date );
            vout_LinkPicture( p_vout->p_sys->pp_vout[ i_vout ].p_vout,
                              p_outpic );

            for( i_plane = 0 ; i_plane < p_pic->i_planes ; i_plane++ )
            {
                uint8_t *p_in, *p_in_end, *p_out;
                int i_in_pitch = p_pic->p[i_plane].i_pitch;
                int i_out_pitch = p_outpic->p[i_plane].i_pitch;
                int i_copy_pitch = p_outpic->p[i_plane].i_visible_pitch;

#ifdef OVERLAP
                if (i_col) pi_left_skip[i_plane] -= (2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if ((i_row) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if ((p_vout->p_sys->i_row > 2) && (i_row == 1) && (!i_col)) pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
                if ((!p_vout->p_sys->pp_vout[p_vout->p_sys->i_col].b_active))
                    pi_top_skip[i_plane] -= (2 * p_vout->p_sys->i_halfHeight * i_row * p_pic->p[i_plane].i_pitch) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);
// i_n : previous inactive pp_vout
                int i_n=0;
                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++;
                if ((i_col > 1) && i_n)
                    pi_left_skip[i_plane] -= i_n*(2 * p_vout->p_sys->i_halfLength ) / (p_vout->p_sys->pp_vout[i_vout].i_width / i_copy_pitch);

                p_in = p_pic->p[i_plane].p_pixels
                /* Wall proprities */
                + pi_top_skip[i_plane] + pi_left_skip[i_plane];

                int i_lines = p_outpic->p[i_plane].i_visible_lines;
// 1088 lines bug in a mpeg2 stream of 1080 lines
                if ((p_vout->p_sys->i_row - 1 == i_row) &&
                    (p_pic->p[i_plane].i_lines == 1088))
                        i_lines -= 8;

                p_in_end = p_in + i_lines * p_pic->p[i_plane].i_pitch;
#else
                p_in = p_pic->p[i_plane].p_pixels
                        + pi_top_skip[i_plane] + pi_left_skip[i_plane];

                p_in_end = p_in + p_outpic->p[i_plane].i_visible_lines
                                        * p_pic->p[i_plane].i_pitch;
#endif
                p_out = p_outpic->p[i_plane].p_pixels;
#ifdef OVERLAP
        int length;
        length = 2 * p_vout->p_sys->i_halfLength * p_pic->p->i_pixel_pitch;
        LeftOffset = (i_col ? 0 : i_copy_pitch - length);
        if (p_vout->p_sys->b_has_changed)
        {
#ifdef GAMMA
            int i_plane_;
            for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
                for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
                    for (i_index2 = 0; i_index2 < 256; i_index2++)
                            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_]));
#endif
            switch (p_vout->output.i_chroma)
                {
                    case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
                    case VLC_FOURCC('Y','U','N','V'):    // packed by 2
                        Denom = F2(length / p_pic->p->i_pixel_pitch);
                        a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
                        a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
                        a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
                        for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
                        // for each macropixel
                        {
                                // first image pixel
                                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);
                                p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[0]) / ACCURACY;
                                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);
                                p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[1]) / ACCURACY;
                                // second image pixel
                                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);
                                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;
                                p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
                                p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
                        }
                        break;
                    case VLC_FOURCC('U','Y','V','Y'):    // packed by 2
                    case VLC_FOURCC('U','Y','N','V'):    // packed by 2
                    case VLC_FOURCC('Y','4','2','2'):    // packed by 2
                        Denom = F2(length / p_pic->p->i_pixel_pitch);
                        a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
                        a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfLength * (ACCURACY / 100);
                        a_0 = p_vout->p_sys->a_0 * Denom * (ACCURACY / 100);
                        for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index+=p_pic->p->i_pixel_pitch)
                        // for each macropixel
                        {
                                // first image pixel
                                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);
                                p_vout->p_sys->cstYUV[i_col][0][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][0][i_index]) * constantYUV[1]) / ACCURACY;
                                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);
                                p_vout->p_sys->cstYUV[i_col][1][i_index] = ((ACCURACY - p_vout->p_sys->lambda[i_col][1][i_index]) * constantYUV[0]) / ACCURACY;
                                // second image pixel
                                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);
                                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;
                                p_vout->p_sys->lambda[i_col][1][i_index + 1] = p_vout->p_sys->lambda[i_col][1][i_index];
                                p_vout->p_sys->cstYUV[i_col][1][i_index + 1] = p_vout->p_sys->cstYUV[i_col][1][i_index];
                        }
                        break;
                    default :
                        break;
                }
        }
#endif
            while( p_in < p_in_end )
            {
#ifndef OVERLAP
1769
                vlc_memcpy( p_out, p_in, i_copy_pitch);
1770
#else
1771
                vlc_memcpy( p_out + i_col * length, p_in + i_col * length, i_copy_pitch - length);
1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805 1806 1807 1808 1809 1810 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892
                p_out += LeftOffset;
                p_in += LeftOffset;
#ifndef GAMMA
                for (i_index = 0; i_index < length; i_index++)
                    *(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] *
                             (*(p_in + i_index))) / ACCURACY +
                             p_vout->p_sys->cstYUV[i_col][i_index % p_pic->p->i_pixel_pitch][i_index / p_pic->p->i_pixel_pitch];
#else
                for (i_index = 0; i_index < length; i_index++)
                    *(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] *
                             (*(p_in + i_index))) / ACCURACY +
                             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];
#endif
                p_out -= LeftOffset;
                p_in -= LeftOffset;
#endif
                p_in += i_in_pitch;
                p_out += i_out_pitch;
            }
#ifdef OVERLAP
            if (p_vout->p_sys->i_row == 2)
            {
                        length = 2 * p_vout->p_sys->i_halfHeight * p_pic->p->i_pixel_pitch;
                        TopOffset = (i_row ? i_lines : length / p_pic->p->i_pixel_pitch);
                        if (p_vout->p_sys->b_has_changed)
                        {
#ifdef GAMMA
                                int i_plane_;
                                for (i_index = 0; i_index < length / p_pic->p->i_pixel_pitch; i_index++)
                                    for (i_plane_ =  0; i_plane_ < p_pic->p->i_pixel_pitch; i_plane_++)
                                        for (i_index2 = 0; i_index2 < 256; i_index2++)
                                                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_]));
#endif
                                switch (p_vout->output.i_chroma)
                                {
                                    case VLC_FOURCC('Y','U','Y','2'):    // packed by 2
                                    case VLC_FOURCC('Y','U','N','V'):    // packed by 2
                                        Denom = F2(length / p_pic->p->i_pixel_pitch);
                                        a_2 = p_vout->p_sys->a_2 * (ACCURACY / 100);
                                        a_1 = p_vout->p_sys->a_1 * 2 * p_vout->p_sys->i_halfHeight * (ACCURACY / 100);
                                        a_0 = p_vout->