Commit 03f9f5fe authored by dionoea's avatar dionoea
Browse files

* New color extraction video filter. Can be used to extract the Red, Green or...

 * New color extraction video filter. Can be used to extract the Red, Green or Blue component from a video.
 * Add stuff about motiondetect and extract in the News (even though motiondetect isn't finished)
parent dfc8b3df
......@@ -31,6 +31,8 @@ Video output:
* Adjust, Invert and Distort (now splitted into Wave, Ripple, Gradient
and Psychedelic) video filters can now be streamed
* New puzzle video output filter
* Rewrite motion detection video filter
* New extract video filter (extract Red, Green and Blue components from a video)
Interfaces:
* Windows/Linux
......
......@@ -1127,7 +1127,7 @@ dnl
VLC_ADD_PLUGINS([dummy logger memcpy])
VLC_ADD_PLUGINS([mpgv mpga m4v m4a h264 ps pva avi asf mp4 rawdv nsv real aiff mjpeg demuxdump flacsys tta])
VLC_ADD_PLUGINS([cvdsub svcdsub spudec subsdec dvbsub mpeg_audio lpcm a52 dts cinepak flac])
VLC_ADD_PLUGINS([deinterlace invert adjust transform wave ripple psychedelic gradient motionblur rv32 rotate noise])
VLC_ADD_PLUGINS([deinterlace invert adjust transform wave ripple psychedelic gradient motionblur rv32 rotate noise extract])
VLC_ADD_PLUGINS([converter_fixed mono])
VLC_ADD_PLUGINS([trivial_resampler ugly_resampler])
VLC_ADD_PLUGINS([trivial_channel_mixer trivial_mixer])
......
......@@ -27,4 +27,5 @@ SOURCES_rotate = rotate.c
SOURCES_noise = noise.c
SOURCES_puzzle = puzzle.c
SOURCES_colorthres = colorthres.c
SOURCES_extract = extract.c
noinst_HEADERS = filter_common.h
/*****************************************************************************
* extract.c : Extract RGB components
*****************************************************************************
* Copyright (C) 2000-2006 the VideoLAN team
* $Id$
*
* Authors: Antoine Cellerier <dionoea .t videolan d@t 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <stdlib.h> /* malloc(), free() */
#include <string.h>
#include <vlc/vlc.h>
#include <vlc_vout.h>
#include "vlc_filter.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * );
static picture_t *Filter( filter_t *, picture_t * );
#define COMPONENT_TEXT N_("RGB component to extract")
#define COMPONENT_LONGTEXT N_("RGB component to extract. 0 for Red, 1 for Green and 2 for Blue.")
#define FILTER_PREFIX "extract-"
static int pi_component_values[] = { 0, 1, 2 };
static const char *ppsz_component_descriptions[] = { "Red", "Green", "Blue" };
/*****************************************************************************
* Module descriptor
*****************************************************************************/
vlc_module_begin();
set_description( _("Extract RGB component video filter") );
set_shortname( _("Extract" ));
set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VFILTER );
set_capability( "video filter2", 0 );
add_shortcut( "extract" );
add_integer( FILTER_PREFIX "component", 0, NULL,
COMPONENT_TEXT, COMPONENT_LONGTEXT, VLC_FALSE );
change_integer_list( pi_component_values, ppsz_component_descriptions, 0 );
set_callbacks( Create, Destroy );
vlc_module_end();
static const char *ppsz_filter_options[] = {
"component", NULL
};
enum { RED, GREEN, BLUE };
struct filter_sys_t
{
int i_color;
};
/*****************************************************************************
* Create
*****************************************************************************/
static int Create( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
/* Allocate structure */
p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_filter->p_sys == NULL )
{
msg_Err( p_filter, "out of memory" );
return VLC_ENOMEM;
}
config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
p_filter->p_cfg );
var_Create( p_filter, FILTER_PREFIX "component",
VLC_VAR_INTEGER | VLC_VAR_DOINHERIT );
p_filter->p_sys->i_color = var_GetInteger( p_filter,
FILTER_PREFIX "component" );
p_filter->pf_video_filter = Filter;
return VLC_SUCCESS;
}
/*****************************************************************************
* Destroy
*****************************************************************************/
static void Destroy( vlc_object_t *p_this )
{
filter_t *p_filter = (filter_t *)p_this;
free( p_filter->p_sys );
}
/*****************************************************************************
* Render
*****************************************************************************/
static void get_red_from_yuv420( picture_t *, picture_t *, int, int, int );
static void get_green_from_yuv420( picture_t *, picture_t *, int, int, int );
static void get_blue_from_yuv420( picture_t *, picture_t *, int, int, int );
static void get_red_from_yuv422( picture_t *, picture_t *, int, int, int );
static void get_green_from_yuv422( picture_t *, picture_t *, int, int, int );
static void get_blue_from_yuv422( picture_t *, picture_t *, int, int, int );
static picture_t *Filter( filter_t *p_filter, picture_t *p_pic )
{
picture_t *p_outpic;
if( !p_pic ) return NULL;
p_outpic = p_filter->pf_vout_buffer_new( p_filter );
if( !p_outpic )
{
msg_Warn( p_filter, "can't get output picture" );
if( p_pic->pf_release )
p_pic->pf_release( p_pic );
return NULL;
}
switch( p_pic->format.i_chroma )
{
case VLC_FOURCC('I','4','2','0'):
case VLC_FOURCC('I','Y','U','V'):
case VLC_FOURCC('J','4','2','0'):
case VLC_FOURCC('Y','V','1','2'):
switch( p_filter->p_sys->i_color )
{
case RED:
get_red_from_yuv420( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
case GREEN:
get_green_from_yuv420( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
case BLUE:
get_blue_from_yuv420( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
}
break;
case VLC_FOURCC('I','4','2','2'):
case VLC_FOURCC('J','4','2','2'):
switch( p_filter->p_sys->i_color )
{
case RED:
get_red_from_yuv422( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
case GREEN:
get_green_from_yuv422( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
case BLUE:
get_blue_from_yuv422( p_pic, p_outpic,
Y_PLANE, U_PLANE, V_PLANE );
break;
}
break;
default:
msg_Warn( p_filter, "Unsupported input chroma (%4s)",
(char*)&(p_pic->format.i_chroma) );
if( p_pic->pf_release )
p_pic->pf_release( p_pic );
return NULL;
}
p_outpic->date = p_pic->date;
p_outpic->b_force = p_pic->b_force;
p_outpic->i_nb_fields = p_pic->i_nb_fields;
p_outpic->b_progressive = p_pic->b_progressive;
p_outpic->b_top_field_first = p_pic->b_top_field_first;
if( p_pic->pf_release )
p_pic->pf_release( p_pic );
return p_outpic;
}
inline uint8_t crop( int a );
inline uint8_t crop( int a )
{
if( a < 0 ) return 0;
if( a > 255 ) return 255;
else return (uint8_t)a;
}
#define U 128
#define V 128
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++ -128) * -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;
}
}
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