mirror of
https://code.videolan.org/videolan/vlc
synced 2024-07-25 09:41:30 +02:00
790 lines
28 KiB
C
790 lines
28 KiB
C
/*****************************************************************************
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* extract.c : Extract RGB components
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*****************************************************************************
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* Copyright (C) 2000-2006 the VideoLAN team
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* $Id$
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*
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* Authors: Antoine Cellerier <dionoea .t videolan d@t org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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/*****************************************************************************
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* Preamble
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*****************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <vlc/vlc.h>
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#include <vlc_vout.h>
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#include "vlc_filter.h"
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#include "filter_picture.h"
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#include "math.h"
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/*****************************************************************************
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* Local prototypes
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*****************************************************************************/
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static int Create ( vlc_object_t * );
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static void Destroy ( vlc_object_t * );
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static picture_t *Filter( filter_t *, picture_t * );
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static int ExtractCallback( vlc_object_t *, char const *,
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vlc_value_t, vlc_value_t, void * );
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static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
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static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
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static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
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static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
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static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
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static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
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static void make_projection_matrix( filter_t *, int color, int *matrix );
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static void get_custom_from_yuv420( picture_t *, picture_t *, int, int, int, int * );
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static void get_custom_from_yuv422( picture_t *, picture_t *, int, int, int, int * );
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static void get_custom_from_packedyuv422( picture_t *, picture_t *, int * );
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#define COMPONENT_TEXT N_("RGB component to extract")
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#define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
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#define FILTER_PREFIX "extract-"
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static int pi_component_values[] = { 0xFF0000, 0x00FF00, 0x0000FF };
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static const char *ppsz_component_descriptions[] = { "Red", "Green", "Blue" };
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/*****************************************************************************
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* Module descriptor
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*****************************************************************************/
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vlc_module_begin();
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set_description( _("Extract RGB component video filter") );
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set_shortname( _("Extract" ));
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set_category( CAT_VIDEO );
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set_subcategory( SUBCAT_VIDEO_VFILTER );
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set_capability( "video filter2", 0 );
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add_shortcut( "extract" );
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add_integer_with_range( FILTER_PREFIX "component", 0xFF0000, 1, 0xFFFFFF,
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NULL, COMPONENT_TEXT, COMPONENT_LONGTEXT, false );
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change_integer_list( pi_component_values, ppsz_component_descriptions, 0 );
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set_callbacks( Create, Destroy );
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vlc_module_end();
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static const char *ppsz_filter_options[] = {
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"component", NULL
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};
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enum { RED=0xFF0000, GREEN=0x00FF00, BLUE=0x0000FF };
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struct filter_sys_t
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{
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int i_color;
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int *projection_matrix;
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};
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/*****************************************************************************
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* Create
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*****************************************************************************/
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static int Create( vlc_object_t *p_this )
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{
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filter_t *p_filter = (filter_t *)p_this;
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switch( p_filter->fmt_in.video.i_chroma )
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{
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case VLC_FOURCC('I','4','2','0'):
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case VLC_FOURCC('I','Y','U','V'):
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case VLC_FOURCC('J','4','2','0'):
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case VLC_FOURCC('Y','V','1','2'):
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case VLC_FOURCC('I','4','2','2'):
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case VLC_FOURCC('J','4','2','2'):
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CASE_PACKED_YUV_422
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break;
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default:
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/* We only want planar YUV 4:2:0 or 4:2:2 */
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msg_Err( p_filter, "Unsupported input chroma (%4s)",
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(char*)&(p_filter->fmt_in.video.i_chroma) );
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return VLC_EGENERIC;
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}
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/* Allocate structure */
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p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
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if( p_filter->p_sys == NULL )
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{
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msg_Err( p_filter, "out of memory" );
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return VLC_ENOMEM;
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}
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p_filter->p_sys->projection_matrix = malloc( 9 * sizeof( int ) );
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if( !p_filter->p_sys->projection_matrix )
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{
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free( p_filter->p_sys );
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msg_Err( p_filter, "out of memory" );
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return VLC_ENOMEM;
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}
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config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
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p_filter->p_cfg );
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p_filter->p_sys->i_color = var_CreateGetIntegerCommand( p_filter,
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FILTER_PREFIX "component" );
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var_AddCallback( p_filter, FILTER_PREFIX "component",
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ExtractCallback, p_filter->p_sys );
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/* Matrix won't be used for RED, GREEN or BLUE in planar formats */
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make_projection_matrix( p_filter, p_filter->p_sys->i_color,
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p_filter->p_sys->projection_matrix );
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p_filter->pf_video_filter = Filter;
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return VLC_SUCCESS;
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}
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/*****************************************************************************
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* Destroy
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*****************************************************************************/
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static void Destroy( vlc_object_t *p_this )
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{
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filter_t *p_filter = (filter_t *)p_this;
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free( p_filter->p_sys->projection_matrix );
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free( p_filter->p_sys );
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}
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/*****************************************************************************
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* Render
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*****************************************************************************/
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static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
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{
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picture_t *p_outpic;
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if( !p_pic ) return NULL;
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p_outpic = p_filter->pf_vout_buffer_new( p_filter );
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if( !p_outpic )
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{
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msg_Warn( p_filter, "can't get output picture" );
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if( p_pic->pf_release )
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p_pic->pf_release( p_pic );
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return NULL;
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}
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switch( p_pic->format.i_chroma )
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{
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case VLC_FOURCC('I','4','2','0'):
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case VLC_FOURCC('I','Y','U','V'):
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case VLC_FOURCC('J','4','2','0'):
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case VLC_FOURCC('Y','V','1','2'):
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switch( p_filter->p_sys->i_color )
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{
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case RED:
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get_red_from_yuv420( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE );
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break;
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case GREEN:
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get_green_from_yuv420( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE );
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break;
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case BLUE:
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get_blue_from_yuv420( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE );
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break;
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default:
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get_custom_from_yuv420( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE,
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p_filter->p_sys->projection_matrix);
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break;
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}
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break;
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case VLC_FOURCC('I','4','2','2'):
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case VLC_FOURCC('J','4','2','2'):
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switch( p_filter->p_sys->i_color )
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{
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case RED:
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get_red_from_yuv422( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE );
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break;
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case GREEN:
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get_green_from_yuv422( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE );
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break;
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case BLUE:
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get_blue_from_yuv422( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE );
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break;
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default:
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get_custom_from_yuv422( p_pic, p_outpic,
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Y_PLANE, U_PLANE, V_PLANE,
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p_filter->p_sys->projection_matrix);
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break;
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}
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break;
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CASE_PACKED_YUV_422
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get_custom_from_packedyuv422( p_pic, p_outpic,
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p_filter->p_sys->projection_matrix );
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break;
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default:
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msg_Warn( p_filter, "Unsupported input chroma (%4s)",
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(char*)&(p_pic->format.i_chroma) );
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if( p_pic->pf_release )
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p_pic->pf_release( p_pic );
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return NULL;
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}
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p_outpic->date = p_pic->date;
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p_outpic->b_force = p_pic->b_force;
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p_outpic->i_nb_fields = p_pic->i_nb_fields;
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p_outpic->b_progressive = p_pic->b_progressive;
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p_outpic->b_top_field_first = p_pic->b_top_field_first;
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if( p_pic->pf_release )
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p_pic->pf_release( p_pic );
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return p_outpic;
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}
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static inline uint8_t crop( int a )
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{
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if( a < 0 ) return 0;
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if( a > 255 ) return 255;
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else return (uint8_t)a;
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}
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#define U 128
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#define V 128
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static void mmult( double *res, double *a, double *b )
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{
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int i, j, k;
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for( i = 0; i < 3; i++ )
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{
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for( j = 0; j < 3; j++ )
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{
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res[ i*3 + j ] = 0.;
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for( k = 0; k < 3; k++ )
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{
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res[ i*3 + j ] += a[ i*3 + k ] * b[ k*3 + j ];
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}
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}
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}
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}
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static void make_projection_matrix( filter_t *p_filter, int color, int *matrix )
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{
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double left_matrix[9] =
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{ 76.24500, 149.68500, 29.07000,
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-43.02765, -84.47235, 127.50000,
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127.50000, -106.76534, -20.73466 };
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double right_matrix[9] =
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{ 257.00392, 0.00000, 360.31950,
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257.00392, -88.44438, -183.53583,
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257.00392, 455.41095, 0.00000 };
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double red = ((double)(( 0xFF0000 & color )>>16))/255.;
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double green = ((double)(( 0x00FF00 & color )>>8))/255.;
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double blue = ((double)( 0x0000FF & color ))/255.;
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double norm = sqrt( red*red + green*green + blue*blue );
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red /= norm;
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green /= norm;
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blue /= norm;
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/* XXX: We might still need to norm the rgb_matrix */
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double rgb_matrix[9] =
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{ red*red, red*green, red*blue,
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red*green, green*green, green*blue,
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red*blue, green*blue, blue*blue };
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double result1[9];
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double result[9];
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int i;
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msg_Dbg( p_filter, "red: %f", red );
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msg_Dbg( p_filter, "green: %f", green );
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msg_Dbg( p_filter, "blue: %f", blue );
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mmult( result1, rgb_matrix, right_matrix );
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mmult( result, left_matrix, result1 );
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for( i = 0; i < 9; i++ )
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{
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matrix[i] = (int)result[i];
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}
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msg_Dbg( p_filter, "Projection matrix:" );
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msg_Dbg( p_filter, "%6d %6d %6d", matrix[0], matrix[1], matrix[2] );
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msg_Dbg( p_filter, "%6d %6d %6d", matrix[3], matrix[4], matrix[5] );
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msg_Dbg( p_filter, "%6d %6d %6d", matrix[6], matrix[7], matrix[8] );
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}
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static void get_custom_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
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int yp, int up, int vp, int *m )
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{
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uint8_t *y1in = p_inpic->p[yp].p_pixels;
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uint8_t *y2in;
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uint8_t *uin = p_inpic->p[up].p_pixels;
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uint8_t *vin = p_inpic->p[vp].p_pixels;
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uint8_t *y1out = p_outpic->p[yp].p_pixels;
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uint8_t *y2out;
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uint8_t *uout = p_outpic->p[up].p_pixels;
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uint8_t *vout = p_outpic->p[vp].p_pixels;
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const int i_pitch = p_inpic->p[yp].i_pitch;
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const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
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const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
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const int i_uv_pitch = p_inpic->p[up].i_pitch;
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const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
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const uint8_t *yend = y1in + i_visible_lines * i_pitch;
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while( y1in < yend )
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{
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const uint8_t *y1end = y1in + i_visible_pitch;
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y2in = y1in + i_pitch;
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y2out = y1out + i_pitch;
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while( y1in < y1end )
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{
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*uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
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/ 65536 + U );
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*vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
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/ 65536 + V );
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*y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
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/ 65536 );
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*y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
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/ 65536 );
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*y2out++ = crop( (*y2in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
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/ 65536 );
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*y2out++ = crop( (*y2in++ * m[0] + (*uin++ - U) * m[1] + (*vin++ -V) * m[2])
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/ 65536 );
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}
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y1in += 2*i_pitch - i_visible_pitch;
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y1out += 2*i_pitch - i_visible_pitch;
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uin += i_uv_pitch - i_uv_visible_pitch;
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uout += i_uv_pitch - i_uv_visible_pitch;
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vin += i_uv_pitch - i_uv_visible_pitch;
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vout += i_uv_pitch - i_uv_visible_pitch;
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}
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}
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static void get_custom_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
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int yp, int up, int vp, int *m )
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{
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uint8_t *y1in = p_inpic->p[yp].p_pixels;
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uint8_t *uin = p_inpic->p[up].p_pixels;
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uint8_t *vin = p_inpic->p[vp].p_pixels;
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uint8_t *y1out = p_outpic->p[yp].p_pixels;
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uint8_t *uout = p_outpic->p[up].p_pixels;
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uint8_t *vout = p_outpic->p[vp].p_pixels;
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const int i_pitch = p_inpic->p[yp].i_pitch;
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const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
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const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
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const int i_uv_pitch = p_inpic->p[up].i_pitch;
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const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
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const uint8_t *yend = y1in + i_visible_lines * i_pitch;
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while( y1in < yend )
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{
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const uint8_t *y1end = y1in + i_visible_pitch;
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while( y1in < y1end )
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{
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*uout++ = crop( (*y1in * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
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/ 65536 + U );
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*vout++ = crop( (*y1in * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
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/ 65536 + V );
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*y1out++ = crop( (*y1in++ * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
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/ 65536 );
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*y1out++ = crop( (*y1in++ * m[0] + (*uin++ -U) * m[1] + (*vin++ -V) * m[2])
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/ 65536 );
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}
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y1in += i_pitch - i_visible_pitch;
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y1out += i_pitch - i_visible_pitch;
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uin += i_uv_pitch - i_uv_visible_pitch;
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uout += i_uv_pitch - i_uv_visible_pitch;
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vin += i_uv_pitch - i_uv_visible_pitch;
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vout += i_uv_pitch - i_uv_visible_pitch;
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}
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}
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static void get_custom_from_packedyuv422( picture_t *p_inpic,
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picture_t *p_outpic,
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int *m )
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{
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int i_y_offset, i_u_offset, i_v_offset;
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if( GetPackedYuvOffsets( p_inpic->format.i_chroma, &i_y_offset,
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&i_u_offset, &i_v_offset ) != VLC_SUCCESS )
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return;
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uint8_t *yin = p_inpic->p->p_pixels + i_y_offset;
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uint8_t *uin = p_inpic->p->p_pixels + i_u_offset;
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uint8_t *vin = p_inpic->p->p_pixels + i_v_offset;
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uint8_t *yout = p_outpic->p->p_pixels + i_y_offset;
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uint8_t *uout = p_outpic->p->p_pixels + i_u_offset;
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uint8_t *vout = p_outpic->p->p_pixels + i_v_offset;
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const int i_pitch = p_inpic->p->i_pitch;
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|
const int i_visible_pitch = p_inpic->p->i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p->i_visible_lines;
|
|
|
|
const uint8_t *yend = yin + i_visible_lines * i_pitch;
|
|
while( yin < yend )
|
|
{
|
|
const uint8_t *ylend = yin + i_visible_pitch;
|
|
while( yin < ylend )
|
|
{
|
|
*uout = crop( (*yin * m[3] + (*uin-U) * m[4] + (*vin-V) * m[5])
|
|
/ 65536 + U );
|
|
uout += 4;
|
|
*vout = crop( (*yin * m[6] + (*uin-U) * m[7] + (*vin-V) * m[8])
|
|
/ 65536 + V );
|
|
vout += 4;
|
|
*yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
|
|
/ 65536 );
|
|
yin += 2;
|
|
yout += 2;
|
|
*yout = crop( (*yin * m[0] + (*uin-U) * m[1] + (*vin-V) * m[2])
|
|
/ 65536 );
|
|
yin += 2;
|
|
yout += 2;
|
|
uin += 4;
|
|
vin += 4;
|
|
}
|
|
yin += i_pitch - i_visible_pitch;
|
|
yout += i_pitch - i_visible_pitch;
|
|
uin += i_pitch - i_visible_pitch;
|
|
uout += i_pitch - i_visible_pitch;
|
|
vin += i_pitch - i_visible_pitch;
|
|
vout += i_pitch - i_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static void get_red_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
|
|
int yp, int up, int vp )
|
|
{
|
|
uint8_t *y1in = p_inpic->p[yp].p_pixels;
|
|
uint8_t *y2in;
|
|
uint8_t *vin = p_inpic->p[vp].p_pixels;
|
|
|
|
uint8_t *y1out = p_outpic->p[yp].p_pixels;
|
|
uint8_t *y2out;
|
|
uint8_t *uout = p_outpic->p[up].p_pixels;
|
|
uint8_t *vout = p_outpic->p[vp].p_pixels;
|
|
|
|
const int i_pitch = p_inpic->p[yp].i_pitch;
|
|
const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
|
|
|
|
const int i_uv_pitch = p_inpic->p[up].i_pitch;
|
|
const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
|
|
|
|
const uint8_t *yend = y1in + i_visible_lines * i_pitch;
|
|
while( y1in < yend )
|
|
{
|
|
const uint8_t *y1end = y1in + i_visible_pitch;
|
|
y2in = y1in + i_pitch;
|
|
y2out = y1out + i_pitch;
|
|
while( y1in < y1end )
|
|
{
|
|
/*
|
|
19595 0 27473
|
|
-11058 0 -15504
|
|
32768 0 45941
|
|
*/
|
|
*uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
|
|
/ 65536 + U );
|
|
*vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
|
|
/ 65536 + V );
|
|
*y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
|
|
/ 65536 );
|
|
*y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
|
|
/ 65536 );
|
|
*y2out++ = crop( (*y2in++ * 19594 + (*vin - V) * 27473)
|
|
/ 65536 );
|
|
*y2out++ = crop( (*y2in++ * 19594 + (*vin++ - V) * 27473)
|
|
/ 65536 );
|
|
}
|
|
y1in += 2*i_pitch - i_visible_pitch;
|
|
y1out += 2*i_pitch - i_visible_pitch;
|
|
uout += i_uv_pitch - i_uv_visible_pitch;
|
|
vin += i_uv_pitch - i_uv_visible_pitch;
|
|
vout += i_uv_pitch - i_uv_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static void get_green_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
|
|
int yp, int up, int vp )
|
|
{
|
|
uint8_t *y1in = p_inpic->p[yp].p_pixels;
|
|
uint8_t *y2in;
|
|
uint8_t *uin = p_inpic->p[up].p_pixels;
|
|
uint8_t *vin = p_inpic->p[vp].p_pixels;
|
|
|
|
uint8_t *y1out = p_outpic->p[yp].p_pixels;
|
|
uint8_t *y2out;
|
|
uint8_t *uout = p_outpic->p[up].p_pixels;
|
|
uint8_t *vout = p_outpic->p[vp].p_pixels;
|
|
|
|
const int i_pitch = p_inpic->p[yp].i_pitch;
|
|
const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
|
|
|
|
const int i_uv_pitch = p_inpic->p[up].i_pitch;
|
|
const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
|
|
|
|
const uint8_t *yend = y1in + i_visible_lines * i_pitch;
|
|
while( y1in < yend )
|
|
{
|
|
const uint8_t *y1end = y1in + i_visible_pitch;
|
|
y2in = y1in + i_pitch;
|
|
y2out = y1out + i_pitch;
|
|
while( y1in < y1end )
|
|
{
|
|
/*
|
|
38470 -13239 -27473
|
|
-21710 7471 15504
|
|
-27439 9443 19595
|
|
*/
|
|
*uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
|
|
/ 65536 + U );
|
|
*vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
|
|
/ 65536 + V );
|
|
*y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
|
|
/ 65536 );
|
|
*y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
|
|
/ 65536 );
|
|
*y2out++ = crop( (*y2in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
|
|
/ 65536 );
|
|
*y2out++ = crop( (*y2in++ * 38470 + (*uin++ - U) * -13239 + (*vin++ -V) * -27473)
|
|
/ 65536 );
|
|
}
|
|
y1in += 2*i_pitch - i_visible_pitch;
|
|
y1out += 2*i_pitch - i_visible_pitch;
|
|
uin += i_uv_pitch - i_uv_visible_pitch;
|
|
uout += i_uv_pitch - i_uv_visible_pitch;
|
|
vin += i_uv_pitch - i_uv_visible_pitch;
|
|
vout += i_uv_pitch - i_uv_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static void get_blue_from_yuv420( picture_t *p_inpic, picture_t *p_outpic,
|
|
int yp, int up, int vp )
|
|
{
|
|
uint8_t *y1in = p_inpic->p[yp].p_pixels;
|
|
uint8_t *y2in;
|
|
uint8_t *uin = p_inpic->p[up].p_pixels;
|
|
|
|
uint8_t *y1out = p_outpic->p[yp].p_pixels;
|
|
uint8_t *y2out;
|
|
uint8_t *uout = p_outpic->p[up].p_pixels;
|
|
uint8_t *vout = p_outpic->p[vp].p_pixels;
|
|
|
|
const int i_pitch = p_inpic->p[yp].i_pitch;
|
|
const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
|
|
|
|
const int i_uv_pitch = p_inpic->p[up].i_pitch;
|
|
const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
|
|
|
|
const uint8_t *yend = y1in + i_visible_lines * i_pitch;
|
|
while( y1in < yend )
|
|
{
|
|
const uint8_t *y1end = y1in + i_visible_pitch;
|
|
y2in = y1in + i_pitch;
|
|
y2out = y1out + i_pitch;
|
|
while( y1in < y1end )
|
|
{
|
|
/*
|
|
7471 13239 0
|
|
32768 58065 0
|
|
-5329 -9443 0
|
|
*/
|
|
*uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
|
|
/ 65536 + U );
|
|
*vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
|
|
/ 65536 + V );
|
|
*y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
|
|
/ 65536 );
|
|
*y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
|
|
/ 65536 );
|
|
*y2out++ = crop( (*y2in++ * 7471 + (*uin - U) * 13239 )
|
|
/ 65536 );
|
|
*y2out++ = crop( (*y2in++ * 7471 + (*uin++ - U) * 13239 )
|
|
/ 65536 );
|
|
}
|
|
y1in += 2*i_pitch - i_visible_pitch;
|
|
y1out += 2*i_pitch - i_visible_pitch;
|
|
uin += i_uv_pitch - i_uv_visible_pitch;
|
|
uout += i_uv_pitch - i_uv_visible_pitch;
|
|
vout += i_uv_pitch - i_uv_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static void get_red_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
|
|
int yp, int up, int vp )
|
|
{
|
|
uint8_t *y1in = p_inpic->p[yp].p_pixels;
|
|
uint8_t *vin = p_inpic->p[vp].p_pixels;
|
|
|
|
uint8_t *y1out = p_outpic->p[yp].p_pixels;
|
|
uint8_t *uout = p_outpic->p[up].p_pixels;
|
|
uint8_t *vout = p_outpic->p[vp].p_pixels;
|
|
|
|
const int i_pitch = p_inpic->p[yp].i_pitch;
|
|
const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
|
|
|
|
const int i_uv_pitch = p_inpic->p[up].i_pitch;
|
|
const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
|
|
|
|
const uint8_t *yend = y1in + i_visible_lines * i_pitch;
|
|
while( y1in < yend )
|
|
{
|
|
const uint8_t *y1end = y1in + i_visible_pitch;
|
|
while( y1in < y1end )
|
|
{
|
|
/*
|
|
19595 0 27473
|
|
-11058 0 -15504
|
|
32768 0 45941
|
|
*/
|
|
*uout++ = crop( (*y1in * -11058 + (*vin - V) * -15504)
|
|
/ 65536 + U );
|
|
*vout++ = crop( (*y1in * 32768 + (*vin - V) * 45941)
|
|
/ 65536 + V );
|
|
*y1out++ = crop( (*y1in++ * 19595 + (*vin - V) * 27473)
|
|
/ 65536 );
|
|
*y1out++ = crop( (*y1in++ * 19595 + (*vin++ - V) * 27473)
|
|
/ 65536 );
|
|
}
|
|
y1in += i_pitch - i_visible_pitch;
|
|
y1out += i_pitch - i_visible_pitch;
|
|
uout += i_uv_pitch - i_uv_visible_pitch;
|
|
vin += i_uv_pitch - i_uv_visible_pitch;
|
|
vout += i_uv_pitch - i_uv_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static void get_green_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
|
|
int yp, int up, int vp )
|
|
{
|
|
uint8_t *y1in = p_inpic->p[yp].p_pixels;
|
|
uint8_t *uin = p_inpic->p[up].p_pixels;
|
|
uint8_t *vin = p_inpic->p[vp].p_pixels;
|
|
|
|
uint8_t *y1out = p_outpic->p[yp].p_pixels;
|
|
uint8_t *uout = p_outpic->p[up].p_pixels;
|
|
uint8_t *vout = p_outpic->p[vp].p_pixels;
|
|
|
|
const int i_pitch = p_inpic->p[yp].i_pitch;
|
|
const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
|
|
|
|
const int i_uv_pitch = p_inpic->p[up].i_pitch;
|
|
const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
|
|
|
|
const uint8_t *yend = y1in + i_visible_lines * i_pitch;
|
|
while( y1in < yend )
|
|
{
|
|
const uint8_t *y1end = y1in + i_visible_pitch;
|
|
while( y1in < y1end )
|
|
{
|
|
/*
|
|
38470 -13239 -27473
|
|
-21710 7471 15504
|
|
-27439 9443 19595
|
|
*/
|
|
*uout++ = crop( (*y1in * -21710 + (*uin-U) * 7471 + (*vin-V) * 15504)
|
|
/ 65536 + U );
|
|
*vout++ = crop( (*y1in * -27439 + (*uin-U) * 9443 + (*vin-V) * 19595)
|
|
/ 65536 + V );
|
|
*y1out++ = crop( (*y1in++ * 38470 + (*uin-U) * -13239 + (*vin-V) * -27473)
|
|
/ 65536 );
|
|
*y1out++ = crop( (*y1in++ * 38470 + (*uin++-U) * -13239 + (*vin++-V) * -27473)
|
|
/ 65536 );
|
|
}
|
|
y1in += i_pitch - i_visible_pitch;
|
|
y1out += i_pitch - i_visible_pitch;
|
|
uin += i_uv_pitch - i_uv_visible_pitch;
|
|
uout += i_uv_pitch - i_uv_visible_pitch;
|
|
vin += i_uv_pitch - i_uv_visible_pitch;
|
|
vout += i_uv_pitch - i_uv_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static void get_blue_from_yuv422( picture_t *p_inpic, picture_t *p_outpic,
|
|
int yp, int up, int vp )
|
|
{
|
|
uint8_t *y1in = p_inpic->p[yp].p_pixels;
|
|
uint8_t *uin = p_inpic->p[up].p_pixels;
|
|
|
|
uint8_t *y1out = p_outpic->p[yp].p_pixels;
|
|
uint8_t *uout = p_outpic->p[up].p_pixels;
|
|
uint8_t *vout = p_outpic->p[vp].p_pixels;
|
|
|
|
const int i_pitch = p_inpic->p[yp].i_pitch;
|
|
const int i_visible_pitch = p_inpic->p[yp].i_visible_pitch;
|
|
const int i_visible_lines = p_inpic->p[yp].i_visible_lines;
|
|
|
|
const int i_uv_pitch = p_inpic->p[up].i_pitch;
|
|
const int i_uv_visible_pitch = p_inpic->p[up].i_visible_pitch;
|
|
|
|
const uint8_t *yend = y1in + i_visible_lines * i_pitch;
|
|
while( y1in < yend )
|
|
{
|
|
const uint8_t *y1end = y1in + i_visible_pitch;
|
|
while( y1in < y1end )
|
|
{
|
|
/*
|
|
7471 13239 0
|
|
32768 58065 0
|
|
-5329 -9443 0
|
|
*/
|
|
*uout++ = crop( (*y1in* 32768 + (*uin - U) * 58065 )
|
|
/ 65536 + U );
|
|
*vout++ = crop( (*y1in * -5329 + (*uin - U) * -9443 )
|
|
/ 65536 + V );
|
|
*y1out++ = crop( (*y1in++ * 7471 + (*uin - U) * 13239 )
|
|
/ 65536 );
|
|
*y1out++ = crop( (*y1in++ * 7471 + (*uin++ - U) * 13239 )
|
|
/ 65536 );
|
|
}
|
|
y1in += i_pitch - i_visible_pitch;
|
|
y1out += i_pitch - i_visible_pitch;
|
|
uin += i_uv_pitch - i_uv_visible_pitch;
|
|
uout += i_uv_pitch - i_uv_visible_pitch;
|
|
vout += i_uv_pitch - i_uv_visible_pitch;
|
|
}
|
|
}
|
|
|
|
static int ExtractCallback( vlc_object_t *p_this, char const *psz_var,
|
|
vlc_value_t oldval, vlc_value_t newval,
|
|
void *p_data )
|
|
{
|
|
VLC_UNUSED(oldval);
|
|
filter_sys_t *p_sys = (filter_sys_t *)p_data;
|
|
|
|
if( !strcmp( psz_var, FILTER_PREFIX "component" ) )
|
|
{
|
|
p_sys->i_color = newval.i_int;
|
|
/* Matrix won't be used for RED, GREEN or BLUE in planar formats */
|
|
make_projection_matrix( (filter_t *)p_this, p_sys->i_color,
|
|
p_sys->projection_matrix );
|
|
}
|
|
else
|
|
{
|
|
msg_Warn( p_this, "Unknown callback command." );
|
|
}
|
|
return VLC_SUCCESS;
|
|
}
|