modules/video_filter/adjust_sat_hue.c

   1 /*****************************************************************************
   2  * adjust_sat_hue.c : Hue/Saturation executive part of adjust plugin for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2000-2011 VideoLAN
   5  *
   6  * Authors: Simon Latapie <garf@via.ecp.fr>
   7  *          Antoine Cellerier <dionoea -at- videolan d0t org>
   8  *          Martin Briza <gamajun@seznam.cz> (SSE)
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 #   include "config.h"
  27 #endif
  28
  29 #include <vlc_filter.h>
  30 #include "filter_picture.h"
  31 #include "adjust_sat_hue.h"
  32
  33 #define PLANAR_WRITE_UV_CLIP() \
  34     i_u = *p_in++ ; i_v = *p_in_v++ ; \
  35     *p_out++ = clip_uint8_vlc( (( ((i_u * i_cos + i_v * i_sin - i_x) >> 8) \
  36                            * i_sat) >> 8) + 128); \
  37     *p_out_v++ = clip_uint8_vlc( (( ((i_v * i_cos - i_u * i_sin - i_y) >> 8) \
  38                            * i_sat) >> 8) + 128)
  39
  40 #define PLANAR_WRITE_UV() \
  41     i_u = *p_in++ ; i_v = *p_in_v++ ; \
  42     *p_out++ = (( ((i_u * i_cos + i_v * i_sin - i_x) >> 8) \
  43                        * i_sat) >> 8) + 128; \
  44     *p_out_v++ = (( ((i_v * i_cos - i_u * i_sin - i_y) >> 8) \
  45                        * i_sat) >> 8) + 128
  46
  47 #define PACKED_WRITE_UV_CLIP() \
  48     i_u = *p_in; p_in += 4; i_v = *p_in_v; p_in_v += 4; \
  49     *p_out = clip_uint8_vlc( (( ((i_u * i_cos + i_v * i_sin - i_x) >> 8) \
  50                            * i_sat) >> 8) + 128); \
  51     p_out += 4; \
  52     *p_out_v = clip_uint8_vlc( (( ((i_v * i_cos - i_u * i_sin - i_y) >> 8) \
  53                            * i_sat) >> 8) + 128); \
  54     p_out_v += 4
  55
  56 #define PACKED_WRITE_UV() \
  57     i_u = *p_in; p_in += 4; i_v = *p_in_v; p_in_v += 4; \
  58     *p_out = (( ((i_u * i_cos + i_v * i_sin - i_x) >> 8) \
  59                        * i_sat) >> 8) + 128; \
  60     p_out += 4; \
  61     *p_out_v = (( ((i_v * i_cos - i_u * i_sin - i_y) >> 8) \
  62                        * i_sat) >> 8) + 128; \
  63     p_out_v += 4
  64
  65 #define ADJUST_2_TIMES(x) x; x
  66 #define ADJUST_4_TIMES(x) x; x; x; x
  67 #define ADJUST_8_TIMES(x) x; x; x; x; x; x; x; x
  68
  69 /*****************************************************************************
  70  * Hue and saturation adjusting routines
  71  *****************************************************************************/
  72
  73 int planar_sat_hue_clip_C( picture_t * p_pic, picture_t * p_outpic, int i_sin, int i_cos,
  74                          int i_sat, int i_x, int i_y )
  75 {
  76     uint8_t *p_in, *p_in_v, *p_in_end, *p_line_end;
  77     uint8_t *p_out, *p_out_v;
  78
  79     p_in = p_pic->p[U_PLANE].p_pixels;
  80     p_in_v = p_pic->p[V_PLANE].p_pixels;
  81     p_in_end = p_in + p_pic->p[U_PLANE].i_visible_lines
  82                       * p_pic->p[U_PLANE].i_pitch - 8;
  83
  84     p_out = p_outpic->p[U_PLANE].p_pixels;
  85     p_out_v = p_outpic->p[V_PLANE].p_pixels;
  86
  87     uint8_t i_u, i_v;
  88
  89     for( ; p_in < p_in_end ; )
  90     {
  91         p_line_end = p_in + p_pic->p[U_PLANE].i_visible_pitch - 8;
  92
  93         for( ; p_in < p_line_end ; )
  94         {
  95             /* Do 8 pixels at a time */
  96             ADJUST_8_TIMES( PLANAR_WRITE_UV_CLIP() );
  97         }
  98
  99         p_line_end += 8;
 100
 101         for( ; p_in < p_line_end ; )
 102         {
 103             PLANAR_WRITE_UV_CLIP();
 104         }
 105
 106         p_in += p_pic->p[U_PLANE].i_pitch
 107                 - p_pic->p[U_PLANE].i_visible_pitch;
 108         p_in_v += p_pic->p[V_PLANE].i_pitch
 109                 - p_pic->p[V_PLANE].i_visible_pitch;
 110         p_out += p_outpic->p[U_PLANE].i_pitch
 111                 - p_outpic->p[U_PLANE].i_visible_pitch;
 112         p_out_v += p_outpic->p[V_PLANE].i_pitch
 113                     - p_outpic->p[V_PLANE].i_visible_pitch;
 114     }
 115
 116     return VLC_SUCCESS;
 117 }
 118
 119 int planar_sat_hue_C( picture_t * p_pic, picture_t * p_outpic, int i_sin, int i_cos,
 120                          int i_sat, int i_x, int i_y )
 121 {
 122     uint8_t *p_in, *p_in_v, *p_in_end, *p_line_end;
 123     uint8_t *p_out, *p_out_v;
 124
 125     p_in = p_pic->p[U_PLANE].p_pixels;
 126     p_in_v = p_pic->p[V_PLANE].p_pixels;
 127     p_in_end = p_in + p_pic->p[U_PLANE].i_visible_lines
 128                       * p_pic->p[U_PLANE].i_pitch - 8;
 129
 130     p_out = p_outpic->p[U_PLANE].p_pixels;
 131     p_out_v = p_outpic->p[V_PLANE].p_pixels;
 132
 133     uint8_t i_u, i_v;
 134
 135     for( ; p_in < p_in_end ; )
 136     {
 137         p_line_end = p_in + p_pic->p[U_PLANE].i_visible_pitch - 8;
 138
 139         for( ; p_in < p_line_end ; )
 140         {
 141             /* Do 8 pixels at a time */
 142             ADJUST_8_TIMES( PLANAR_WRITE_UV() );
 143         }
 144
 145         p_line_end += 8;
 146
 147         for( ; p_in < p_line_end ; )
 148         {
 149             PLANAR_WRITE_UV();
 150         }
 151
 152         p_in += p_pic->p[U_PLANE].i_pitch
 153                 - p_pic->p[U_PLANE].i_visible_pitch;
 154         p_in_v += p_pic->p[V_PLANE].i_pitch
 155                 - p_pic->p[V_PLANE].i_visible_pitch;
 156         p_out += p_outpic->p[U_PLANE].i_pitch
 157                 - p_outpic->p[U_PLANE].i_visible_pitch;
 158         p_out_v += p_outpic->p[V_PLANE].i_pitch
 159                     - p_outpic->p[V_PLANE].i_visible_pitch;
 160     }
 161
 162     return VLC_SUCCESS;
 163 }
 164
 165 int packed_sat_hue_clip_C( picture_t * p_pic, picture_t * p_outpic, int i_sin, int i_cos,
 166                          int i_sat, int i_x, int i_y )
 167 {
 168     uint8_t *p_in, *p_in_v, *p_in_end, *p_line_end;
 169     uint8_t *p_out, *p_out_v;
 170
 171     int i_y_offset, i_u_offset, i_v_offset;
 172     int i_visible_lines, i_pitch, i_visible_pitch;
 173
 174
 175     if ( GetPackedYuvOffsets( p_pic->format.i_chroma, &i_y_offset,
 176                               &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
 177         return VLC_EGENERIC;
 178
 179     i_visible_lines = p_pic->p->i_visible_lines;
 180     i_pitch = p_pic->p->i_pitch;
 181     i_visible_pitch = p_pic->p->i_visible_pitch;
 182
 183     p_in = p_pic->p->p_pixels + i_u_offset;
 184     p_in_v = p_pic->p->p_pixels + i_v_offset;
 185     p_in_end = p_in + i_visible_lines * i_pitch - 8 * 4;
 186
 187     p_out = p_outpic->p->p_pixels + i_u_offset;
 188     p_out_v = p_outpic->p->p_pixels + i_v_offset;
 189
 190     uint8_t i_u, i_v;
 191
 192     for( ; p_in < p_in_end ; )
 193     {
 194         p_line_end = p_in + i_visible_pitch - 8 * 4;
 195
 196         for( ; p_in < p_line_end ; )
 197         {
 198             /* Do 8 pixels at a time */
 199             ADJUST_8_TIMES( PACKED_WRITE_UV_CLIP() );
 200         }
 201
 202         p_line_end += 8 * 4;
 203
 204         for( ; p_in < p_line_end ; )
 205         {
 206             PACKED_WRITE_UV_CLIP();
 207         }
 208
 209         p_in += i_pitch - i_visible_pitch;
 210         p_in_v += i_pitch - i_visible_pitch;
 211         p_out += i_pitch - i_visible_pitch;
 212         p_out_v += i_pitch - i_visible_pitch;
 213     }
 214
 215     return VLC_SUCCESS;
 216 }
 217
 218 int packed_sat_hue_C( picture_t * p_pic, picture_t * p_outpic, int i_sin,
 219                       int i_cos, int i_sat, int i_x, int i_y )
 220 {
 221     uint8_t *p_in, *p_in_v, *p_in_end, *p_line_end;
 222     uint8_t *p_out, *p_out_v;
 223
 224     int i_y_offset, i_u_offset, i_v_offset;
 225     int i_visible_lines, i_pitch, i_visible_pitch;
 226
 227
 228     if ( GetPackedYuvOffsets( p_pic->format.i_chroma, &i_y_offset,
 229                               &i_u_offset, &i_v_offset ) != VLC_SUCCESS )
 230         return VLC_EGENERIC;
 231
 232     i_visible_lines = p_pic->p->i_visible_lines;
 233     i_pitch = p_pic->p->i_pitch;
 234     i_visible_pitch = p_pic->p->i_visible_pitch;
 235
 236     p_in = p_pic->p->p_pixels + i_u_offset;
 237     p_in_v = p_pic->p->p_pixels + i_v_offset;
 238     p_in_end = p_in + i_visible_lines * i_pitch - 8 * 4;
 239
 240     p_out = p_outpic->p->p_pixels + i_u_offset;
 241     p_out_v = p_outpic->p->p_pixels + i_v_offset;
 242
 243     uint8_t i_u, i_v;
 244
 245     for( ; p_in < p_in_end ; )
 246     {
 247         p_line_end = p_in + i_visible_pitch - 8 * 4;
 248
 249         for( ; p_in < p_line_end ; )
 250         {
 251             /* Do 8 pixels at a time */
 252             ADJUST_8_TIMES( PACKED_WRITE_UV() );
 253         }
 254
 255         p_line_end += 8 * 4;
 256
 257         for( ; p_in < p_line_end ; )
 258         {
 259             PACKED_WRITE_UV();
 260         }
 261
 262         p_in += i_pitch - i_visible_pitch;
 263         p_in_v += i_pitch - i_visible_pitch;
 264         p_out += i_pitch - i_visible_pitch;
 265         p_out_v += i_pitch - i_visible_pitch;
 266     }
 267
 268     return VLC_SUCCESS;
 269 }