Skip to content

V
vlc-gpu
Commit dfc8b3df authored by Antoine Cellerier's avatar Antoine Cellerier
Browse files
Options

Rewrite motion detect filter. It currently draws a white rectangle arround... 

Rewrite motion detect filter. It currently draws a white rectangle arround moving objects (on fixed backgrounds). I still need to add code to make it possible to trigger an action when movement is detected (i.e. a VLM command to start recording).
parent 52fbb24b
Show whitespace changes
Inline Side-by-side
Showing with 438 additions and 333 deletions
modules/video_filter/motiondetect.c
View file @ dfc8b3df
/***************************************************************************** /*****************************************************************************
* motiondetect.c : Motion detect video effect plugin for vlc * motiondetec.c : Second version of a motion detection plugin.
***************************************************************************** *****************************************************************************
* Copyright (C) 2005 the VideoLAN team * Copyright (C) 2000-2006 the VideoLAN team
* $Id$ * $Id$
* *
* Authors: Jérôme Decoodt <djc@videolan.org> * Authors: Antoine Cellerier <dionoea -at- videolan -dot- org>
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License as published by
...@@ -27,13 +27,13 @@ ...@@ -27,13 +27,13 @@
#include <stdlib.h> /* malloc(), free() */ #include <stdlib.h> /* malloc(), free() */
#include <string.h> #include <string.h>
#include <math.h> /* sin(), cos() */
#include <vlc/vlc.h> #include <vlc/vlc.h>
#include <vlc_sout.h>
#include <vlc_vout.h> #include <vlc_vout.h>
#include <vlc_interface.h>
#include <vlc_playlist.h>
#include "filter_common.h" #include "vlc_filter.h"
#include <vlc_charset.h>
/***************************************************************************** /*****************************************************************************
* Local prototypes * Local prototypes
...@@ -41,411 +41,516 @@ ...@@ -41,411 +41,516 @@
static int Create ( vlc_object_t * ); static int Create ( vlc_object_t * );
static void Destroy ( vlc_object_t * ); static void Destroy ( vlc_object_t * );
static int Init ( vout_thread_t * ); static picture_t *Filter( filter_t *, picture_t * );
static void End ( vout_thread_t * ); static void GaussianConvolution( uint32_t *, uint32_t *, int, int, int );
static void Render ( vout_thread_t *, picture_t * );
static void MotionDetect( vout_thread_t *p_vout, picture_t *p_inpic,
picture_t *p_outpic );
static int SendEvents ( vlc_object_t *, char const *,
vlc_value_t, vlc_value_t, void * );
/***************************************************************************** /*****************************************************************************
* Module descriptor * Module descriptor
*****************************************************************************/ *****************************************************************************/
#define DESC_TEXT N_("Description file")
#define DESC_LONGTEXT N_("A file containing a simple playlist") #define FILTER_PREFIX "motiondetect-"
#define HISTORY_TEXT N_("History parameter")
/// \bug [String] typo
#define HISTORY_LONGTEXT N_("The umber of frames used for detection.")
vlc_module_begin(); vlc_module_begin();
set_description( _("Motion detect video filter") ); set_description( _("Motion detect video filter") );
set_shortname( _( "Motion detect" )); set_shortname( _( "Motion Detect" ));
set_capability( "video filter2", 0 );
set_category( CAT_VIDEO ); set_category( CAT_VIDEO );
set_subcategory( SUBCAT_VIDEO_VFILTER ); set_subcategory( SUBCAT_VIDEO_VFILTER );
set_capability( "video filter", 0 );
add_integer( "motiondetect-history", 1, NULL, HISTORY_TEXT,
HISTORY_LONGTEXT, VLC_FALSE );
add_string( "motiondetect-description", "motiondetect", NULL, DESC_TEXT,
DESC_LONGTEXT, VLC_FALSE );
add_shortcut( "motion" );
set_callbacks( Create, Destroy ); set_callbacks( Create, Destroy );
vlc_module_end(); vlc_module_end();
/***************************************************************************** #if 0
* vout_sys_t: Motion detect video output method descriptor static const char *ppsz_filter_options[] = {
***************************************************************************** NULL
* This structure is part of the video output thread descriptor.
* It describes the Motion detect specific properties of an output thread.
*****************************************************************************/
typedef struct area_t
{
int i_x1, i_y1;
int i_x2, i_y2;
int i_matches;
int i_level;
int i_downspeed, i_upspeed;
char *psz_mrl;
} area_t;
struct vout_sys_t
{
vout_thread_t *p_vout;
playlist_t *p_playlist;
uint8_t *p_bufferY;
int i_stack;
area_t** pp_areas;
int i_areas;
int i_history;
}; };
#endif
/***************************************************************************** struct filter_sys_t
* Control: control facility for the vout (forwards to child vout)
*****************************************************************************/
static int Control( vout_thread_t *p_vout, int i_query, va_list args )
{ {
return vout_vaControl( p_vout->p_sys->p_vout, i_query, args ); uint8_t *p_oldpix;
} uint8_t *p_oldpix_u;
uint8_t *p_oldpix_v;
uint32_t *p_buf;
uint32_t *p_buf2;
vlc_mutex_t lock;
};
/***************************************************************************** /*****************************************************************************
* Create: allocates Distort video thread output method * Create
*****************************************************************************
* This function allocates and initializes a Distort vout method.
*****************************************************************************/ *****************************************************************************/
static int Create( vlc_object_t *p_this ) static int Create( vlc_object_t *p_this )
{ {
vout_thread_t *p_vout = (vout_thread_t *)p_this; filter_t *p_filter = (filter_t *)p_this;
char *psz_descfilename;
char buffer[256];
int x1, x2, y1, y2, i_level, i_downspeed, i_upspeed, i;
area_t *p_area;
FILE * p_file;
/* Allocate structure */ /* Allocate structure */
p_vout->p_sys = malloc( sizeof( vout_sys_t ) ); p_filter->p_sys = malloc( sizeof( filter_sys_t ) );
if( p_vout->p_sys == NULL ) if( p_filter->p_sys == NULL )
{ {
msg_Err( p_vout, "out of memory" ); msg_Err( p_filter, "out of memory" );
return VLC_ENOMEM; return VLC_ENOMEM;
} }
p_vout->pf_init = Init; p_filter->pf_video_filter = Filter;
p_vout->pf_end = End;
p_vout->pf_manage = NULL;
p_vout->pf_render = Render;
p_vout->pf_display = NULL;
p_vout->pf_control = Control;
memset( p_vout->p_sys, 0, sizeof( vout_sys_t ) );
p_vout->p_sys->i_history = config_GetInt( p_vout,
"motiondetect-history" );
if( !(psz_descfilename = config_GetPsz( p_vout,
"motiondetect-description" ) ) )
{
free( p_vout->p_sys );
return VLC_EGENERIC;
}
p_vout->p_sys->p_playlist = vlc_object_find( p_this, VLC_OBJECT_PLAYLIST,
FIND_ANYWHERE );
if( !p_vout->p_sys->p_playlist )
{
msg_Err( p_vout, "playlist not found" );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
/* Parse description file and allocate areas */ p_filter->p_sys->p_oldpix = NULL;
p_file = utf8_fopen( psz_descfilename, "r" ); p_filter->p_sys->p_buf = NULL;
if( !p_file )
{
msg_Err( p_this, "Failed to open description file %s",
psz_descfilename );
free( psz_descfilename );
free( p_vout->p_sys );
return VLC_EGENERIC;
}
p_vout->p_sys->i_areas = 0;
while( fscanf( p_file, "%d,%d,%d,%d,%d,%d,%d,",
&x1, &y1, &x2, &y2, &i_level,
&i_downspeed, &i_upspeed ) == 7 )
{
for( i = 0 ; i < 255 ; i++ )
{
fread( buffer + i, 1, 1, p_file );
if( *( buffer + i ) == '\n' )
break;
}
*( buffer + i ) = 0;
p_vout->p_sys->i_areas++;
p_vout->p_sys->pp_areas = realloc( p_vout->p_sys->pp_areas,
p_vout->p_sys->i_areas *
sizeof( area_t ) );
if( !p_vout->p_sys->pp_areas )
/*FIXME: clean this... */
return VLC_ENOMEM;
p_area = malloc( sizeof( area_t ) );
if( !p_area )
break;
p_area->i_x1 = x1; #if 0
p_area->i_x2 = x2; config_ChainParse( p_filter, FILTER_PREFIX, ppsz_filter_options,
p_area->i_y1 = y1; p_filter->p_cfg );
p_area->i_y2 = y2; #endif
p_area->i_matches = 0; vlc_mutex_init( p_filter, &p_filter->p_sys->lock );
p_area->i_level = i_level;
p_area->i_downspeed = i_downspeed;
p_area->i_upspeed = i_upspeed;
p_area->psz_mrl = strdup(buffer);
p_vout->p_sys->pp_areas[p_vout->p_sys->i_areas-1] = p_area;
}
fclose( p_file );
return VLC_SUCCESS; return VLC_SUCCESS;
} }
/***************************************************************************** /*****************************************************************************
* Init: initialize Motion detect video thread output method * Destroy
*****************************************************************************/ *****************************************************************************/
static int Init( vout_thread_t *p_vout ) static void Destroy( vlc_object_t *p_this )
{ {
int i_index; filter_t *p_filter = (filter_t *)p_this;
picture_t *p_pic;
video_format_t fmt = {0};
I_OUTPUTPICTURES = 0; free( p_filter->p_sys->p_oldpix );
free( p_filter->p_sys->p_buf );
/* Initialize the output structure */ vlc_mutex_destroy( &p_filter->p_sys->lock );
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;
p_vout->fmt_out = p_vout->fmt_in;
fmt = p_vout->fmt_out;
/* Try to open the real video output */ free( p_filter->p_sys );
msg_Dbg( p_vout, "spawning the real video output" ); }
p_vout->p_sys->p_vout = vout_Create( p_vout, &fmt );
/* Everything failed */ /*****************************************************************************
if( p_vout->p_sys->p_vout == NULL ) * Render
{ *****************************************************************************/
msg_Err( p_vout, "cannot open vout, aborting" ); static picture_t *Filter( filter_t *p_filter, picture_t *p_inpic )
return VLC_EGENERIC; {
} picture_t *p_outpic;
filter_sys_t *p_sys = p_filter->p_sys;
ALLOCATE_DIRECTBUFFERS( VOUT_MAX_PICTURES ); const uint8_t *p_inpix = p_inpic->p[Y_PLANE].p_pixels;
const int i_src_pitch = p_inpic->p[Y_PLANE].i_pitch;
const int i_src_visible = p_inpic->p[Y_PLANE].i_visible_pitch;
const int i_num_lines = p_inpic->p[Y_PLANE].i_visible_lines;
ADD_CALLBACKS( p_vout->p_sys->p_vout, SendEvents ); const uint8_t *p_inpix_u = p_inpic->p[U_PLANE].p_pixels;
const uint8_t *p_inpix_v = p_inpic->p[V_PLANE].p_pixels;
const int i_src_pitch_u = p_inpic->p[U_PLANE].i_pitch;
const int i_src_visible_u = p_inpic->p[U_PLANE].i_visible_pitch;
const int i_num_lines_u = p_inpic->p[U_PLANE].i_visible_lines;
ADD_PARENT_CALLBACKS( SendEventsToChild ); uint8_t *p_oldpix;
uint8_t *p_oldpix_u;
uint8_t *p_oldpix_v;
uint8_t *p_outpix;
uint32_t *p_buf;
uint32_t *p_buf2;
return VLC_SUCCESS; int i,j;
} int last;
/***************************************************************************** if( !p_inpic ) return NULL;
* End: terminate Motion detect video thread output method
*****************************************************************************/
static void End( vout_thread_t *p_vout )
{
int i_index;
/* Free the fake output buffers we allocated */ p_outpic = p_filter->pf_vout_buffer_new( p_filter );
for( i_index = I_OUTPUTPICTURES ; i_index ; ) if( !p_outpic )
{ {
i_index--; msg_Warn( p_filter, "can't get output picture" );
free( PP_OUTPUTPICTURE[ i_index ]->p_data_orig ); if( p_inpic->pf_release )
p_inpic->pf_release( p_inpic );
return NULL;
} }
}
/***************************************************************************** p_outpix = p_outpic->p[Y_PLANE].p_pixels;
* Destroy: destroy Motion detect video thread output method #if 0
***************************************************************************** p_filter->p_libvlc->pf_memset( p_outpic->p[U_PLANE].p_pixels, 0x80,
* Terminate an output method created by DistortCreateOutputMethod p_inpic->p[U_PLANE].i_pitch * p_inpic->p[U_PLANE].i_visible_lines );
*****************************************************************************/ p_filter->p_libvlc->pf_memset( p_outpic->p[V_PLANE].p_pixels, 0x80,
static void Destroy( vlc_object_t *p_this ) p_inpic->p[V_PLANE].i_pitch * p_inpic->p[V_PLANE].i_visible_lines );
{ #else
vout_thread_t *p_vout = (vout_thread_t *)p_this; p_filter->p_libvlc->pf_memcpy( p_outpic->p[U_PLANE].p_pixels,
int i; p_inpic->p[U_PLANE].p_pixels,
p_inpic->p[U_PLANE].i_pitch * p_inpic->p[U_PLANE].i_visible_lines );
if( p_vout->p_sys->p_vout ) p_filter->p_libvlc->pf_memcpy( p_outpic->p[V_PLANE].p_pixels,
p_inpic->p[V_PLANE].p_pixels,
p_inpic->p[V_PLANE].i_pitch * p_inpic->p[V_PLANE].i_visible_lines );
#endif
if( !p_sys->p_oldpix || !p_sys->p_buf )
{ {
DEL_CALLBACKS( p_vout->p_sys->p_vout, SendEvents ); free( p_sys->p_oldpix );
vlc_object_detach( p_vout->p_sys->p_vout ); free( p_sys->p_buf );
vout_Destroy( p_vout->p_sys->p_vout ); p_sys->p_oldpix = malloc( i_src_pitch * i_num_lines );
p_sys->p_oldpix_u = malloc( i_src_pitch_u * i_num_lines_u );
p_sys->p_oldpix_v = malloc( i_src_pitch_u * i_num_lines_u );
p_sys->p_buf = malloc( sizeof( uint32_t ) * i_src_pitch * i_num_lines );
p_sys->p_buf2 = malloc( sizeof( uint32_t ) * i_src_pitch * i_num_lines);
return p_inpic;
} }
p_oldpix = p_sys->p_oldpix;
DEL_PARENT_CALLBACKS( SendEventsToChild ); p_oldpix_u = p_sys->p_oldpix_u;
p_oldpix_v = p_sys->p_oldpix_v;
for( i = 0 ; i < p_vout->p_sys->i_areas ; i++ ) p_buf = p_sys->p_buf;
p_buf2 = p_sys->p_buf2;
vlc_mutex_lock( &p_filter->p_sys->lock );
/**
* Substract Y planes
*/
for( i = 0; i < i_src_pitch * i_num_lines; i++ )
{
if( p_inpix[i] > p_oldpix[i] )
{ {
free( p_vout->p_sys->pp_areas[i]->psz_mrl ); p_buf2[i] = p_inpix[i] - p_oldpix[i];
free( p_vout->p_sys->pp_areas[i] );
} }
else
{
p_buf2[i] = p_oldpix[i] - p_inpix[i];
}
}
int line;
int col;
int format;
switch( p_inpic->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'):
format = 1;
break;
free( p_vout->p_sys->pp_areas ); case VLC_FOURCC('I','4','2','2'):
free( p_vout->p_sys ); case VLC_FOURCC('J','4','2','2'):
} format = 2;
break;
/*****************************************************************************
* Render: displays previously rendered output
*****************************************************************************
* This function send the currently rendered image to Distort image, waits
* until it is displayed and switch the two rendering buffers, preparing next
* frame.
*****************************************************************************/
static void Render( vout_thread_t *p_vout, picture_t *p_pic )
{
picture_t *p_outpic;
/* This is a new frame. Get a structure from the video_output. */ default:
while( ( p_outpic = vout_CreatePicture( p_vout->p_sys->p_vout, 0, 0, 0 ) ) format = 0;
== NULL ) msg_Warn( p_filter, "Not taking chroma into account" );
break;
}
format = 0;
if( format )
{ {
if( p_vout->b_die || p_vout->b_error ) for( line = 0; line < i_num_lines_u; line++ )
{ {
return; for( col = 0; col < i_src_pitch_u; col ++ )
{
int diff;
i = line * i_src_pitch_u + col;
if( p_inpix_u[i] > p_oldpix_u[i] )
{
diff = p_inpix_u[i] - p_oldpix_u[i];
} }
msleep( VOUT_OUTMEM_SLEEP ); else
{
diff = p_oldpix_u[i] - p_inpix_u[i];
} }
switch( format )
vout_DatePicture( p_vout->p_sys->p_vout, p_outpic, p_pic->date );
MotionDetect( p_vout, p_pic, p_outpic );
vout_DisplayPicture( p_vout->p_sys->p_vout, p_outpic );
}
/*****************************************************************************
* MotionDetect: calculates new matches
*****************************************************************************/
static void MotionDetect( vout_thread_t *p_vout, picture_t *p_inpic,
picture_t *p_outpic )
{
#define pp_curent_area p_vout->p_sys->pp_areas[i_area]
int i_index, i_index_col, i_area;
for( i_index = 0 ; i_index < p_inpic->i_planes ; i_index++ )
{ {
int i_line, i_num_lines, i_offset, i_size, i_diff; case 1:
uint8_t *p_in, *p_out, *p_last_in, *p_buffer; p_buf2[2*line*i_src_pitch+2*col] += diff;
p_buf2[2*line*i_src_pitch+2*col+1] += diff;
p_in = p_inpic->p[i_index].p_pixels; p_buf2[(2*line+1)*i_src_pitch+2*col] += diff;
p_out = p_outpic->p[i_index].p_pixels; p_buf2[(2*line+1)*i_src_pitch+2*col+1] += diff;
break;
i_num_lines = p_inpic->p[i_index].i_visible_lines; case2:
i_size = p_inpic->p[i_index].i_lines * p_inpic->p[i_index].i_pitch; p_buf2[line*i_src_pitch+2*col] += diff;
p_buf2[line*i_src_pitch+2*col+1] += diff;
break;
}
}
}
}
p_vout->p_libvlc->pf_memcpy( p_out, p_in, i_size ); /**
switch( i_index ) * Apply some smoothing to remove noise
*/
#if 1
GaussianConvolution( p_buf2, p_buf, i_src_pitch, i_num_lines, i_src_visible );
#else
uint32_t *pouet = p_buf2;
p_buf2 = p_buf;
p_buf = pouet;
#endif
/**
* Copy luminance plane
*/
for( i = 0; i < i_src_pitch * i_num_lines; i++ )
{ {
case Y_PLANE: /*if( p_buf[i] > 25 )
p_buffer = p_vout->p_sys->p_bufferY; {
//p_outpix[i] = 255;
if( p_buffer == NULL) }
else// if( p_buf[i] > 15 )*/
{
p_outpix[i] = p_inpix[i];
}
/*else
{ {
p_buffer = malloc( p_vout->p_sys->i_history * i_size); p_outpix[i] = 0;
memset( p_buffer, 0, p_vout->p_sys->i_history * i_size ); }*/
}
p_vout->p_sys->p_bufferY = p_buffer; /**
p_vout->p_sys->i_stack = 0; * Label the shapes ans build the labels dependencies list
*/
last = 1;
int colors[5000];
int color_x_min[5000];
int color_x_max[5000];
int color_y_min[5000];
int color_y_max[5000];
for( j = 0; j < i_src_pitch; j++ )
{
p_buf[j] = 0;
p_buf[(i_num_lines-1)*i_src_pitch+j] = 0;
}
for( i = 1; i < i_num_lines-1; i++ )
{
p_buf[i*i_src_pitch] = 0;
for( j = 1; j < i_src_pitch-1; j++ )
{
if( p_buf[i*i_src_pitch+j] > 15 )
{
if( p_buf[(i-1)*i_src_pitch+j-1] )
{
p_buf[i*i_src_pitch+j] = p_buf[(i-1)*i_src_pitch+j-1];
}
else if( p_buf[(i-1)*i_src_pitch+j] )
p_buf[i*i_src_pitch+j] = p_buf[(i-1)*i_src_pitch+j];
else if( p_buf[i*i_src_pitch+j-1] )
p_buf[i*i_src_pitch+j] = p_buf[i*i_src_pitch+j-1];
else
{
p_buf[i*i_src_pitch+j] = last;
colors[last] = last;
last++;
}
#define CHECK( A ) \
if( p_buf[A] && p_buf[A] != p_buf[i*i_src_pitch+j] ) \
{ \
if( p_buf[A] < p_buf[i*i_src_pitch+j] ) \
colors[p_buf[i*i_src_pitch+j]] = p_buf[A]; \
else \
colors[p_buf[A]] = p_buf[i*i_src_pitch+j]; \
}
CHECK( i*i_src_pitch+j-1 );
CHECK( (i-1)*i_src_pitch+j-1 );
CHECK( (i-1)*i_src_pitch+j );
CHECK( (i-1)*i_src_pitch+j+1 );
}
else
{
p_buf[i*i_src_pitch+j] = 0;
}
}
p_buf[i*i_src_pitch+j] = 0;
} }
i_offset = i_size * p_vout->p_sys->i_stack; /**
p_last_in = p_buffer + i_offset; * Initialise empty rectangle list
for( i_area = 0 ; i_area < p_vout->p_sys->i_areas ; i_area++) */
for( i = 1; i < last; i++ )
{ {
int i_tmp = 0, i_nb_pixels; color_x_min[i] = -1;
p_last_in = p_buffer + i_offset; color_x_max[i] = -1;
p_in = p_inpic->p[i_index].p_pixels; color_y_min[i] = -1;
p_out = p_outpic->p[i_index].p_pixels; color_y_max[i] = -1;
if( ( pp_curent_area->i_y1 > p_inpic->p[i_index].i_lines ) || }
( pp_curent_area->i_x1 > p_inpic->p[i_index].i_pitch ) )
continue;
if( ( pp_curent_area->i_y2 > p_inpic->p[i_index].i_lines ) )
pp_curent_area->i_y2 = p_inpic->p[i_index].i_lines;
if( ( pp_curent_area->i_x2 > p_inpic->p[i_index].i_pitch ) )
pp_curent_area->i_x2 = p_inpic->p[i_index].i_pitch;
for( i_line = pp_curent_area->i_y1 ; /**
i_line < pp_curent_area->i_y2 ; i_line++ ) * Compute rectangle coordinates
*/
for( i = 0; i < i_src_pitch * i_num_lines; i++ )
{ {
for( i_index_col = pp_curent_area->i_x1 ; if( p_buf[i] )
i_index_col < pp_curent_area->i_x2 ; i_index_col++ )
{ {
i_diff = (*(p_last_in + i_index_col + while( colors[p_buf[i]] != p_buf[i] )
i_line * p_inpic->p[i_index].i_pitch) p_buf[i] = colors[p_buf[i]];
- *(p_in + i_index_col + //p_outpix[i] = /*(p_buf[i]%2) */ 0xff;
i_line * p_inpic->p[i_index].i_pitch)); if( color_x_min[p_buf[i]] == -1 )
if( i_diff < 0) {
i_diff = -i_diff; color_x_min[p_buf[i]] =
color_x_max[p_buf[i]] = i % i_src_pitch;
color_y_min[p_buf[i]] =
color_y_max[p_buf[i]] = i / i_src_pitch;
}
else
{
int x = i % i_src_pitch, y = i / i_src_pitch;
if( x < color_x_min[p_buf[i]] )
color_x_min[p_buf[i]] = x;
if( x > color_x_max[p_buf[i]] )
color_x_max[p_buf[i]] = x;
if( y < color_y_min[p_buf[i]] )
color_y_min[p_buf[i]] = y;
if( y > color_y_max[p_buf[i]] )
color_y_max[p_buf[i]] = y;
}
}
}
if( i_diff > pp_curent_area->i_level ) /**
i_tmp += pp_curent_area->i_upspeed; * Merge overlaping rectangles
*/
for( i = 1; i < last; i++ )
{
if( colors[i] != i ) continue;
if( color_x_min[i] == -1 ) continue;
for( j = i+1; j < last; j++ )
{
if( colors[j] != j ) continue;
if( color_x_min[j] == -1 ) continue;
#define max( a, b ) ( a > b ? a : b )
#define min( a, b ) ( a < b ? a : b )
if( max( color_x_min[i], color_x_min[j] ) < min( color_x_max[i], color_x_max[j] ) && max( color_y_min[i], color_y_min[j] ) < min( color_y_max[i], color_y_max[j] ) )
{
color_x_min[i] = min( color_x_min[i], color_x_min[j] );
color_x_max[i] = max( color_x_max[i], color_x_max[j] );
color_y_min[i] = min( color_y_min[i], color_y_min[j] );
color_y_max[i] = max( color_y_max[i], color_y_max[j] );
color_x_min[j] = -1;
j = 0;
}
}
}
*( p_out + i_index_col + i_line * /**
p_inpic->p[i_index].i_pitch ) = * Count final number of shapes
pp_curent_area->i_matches; * Draw rectangles (there can be more than 1 moving shape in 1 rectangle)
*/
j = 0;
for( i = 1; i < last; i++ )
{
if( colors[i] == i && color_x_min[i] != -1 )
{
if( ( color_y_max[i] - color_y_min[i] ) * ( color_x_max[i] - color_x_min[i] ) < 16 ) continue;
j++;
int x, y;
#if 1
y = color_y_min[i];
for( x = color_x_min[i]; x <= color_x_max[i]; x++ )
{
p_outpix[y*i_src_pitch+x] = 0xff;
} }
y = color_y_max[i];
for( x = color_x_min[i]; x <= color_x_max[i]; x++ )
{
p_outpix[y*i_src_pitch+x] = 0xff;
} }
i_nb_pixels = ( pp_curent_area->i_y2 - pp_curent_area->i_y1 ) * x = color_x_min[i];
( pp_curent_area->i_x2 - pp_curent_area->i_x1 ); for( y = color_y_min[i]; y <= color_y_max[i]; y++ )
pp_curent_area->i_matches += i_tmp / i_nb_pixels -
pp_curent_area->i_downspeed;
if( pp_curent_area->i_matches < 0)
pp_curent_area->i_matches = 0;
if( pp_curent_area->i_matches > 255)
{ {
playlist_item_t *p_item = playlist_ItemNew( p_vout, p_outpix[y*i_src_pitch+x] = 0xff;
(const char*)pp_curent_area->psz_mrl,
pp_curent_area->psz_mrl );
msg_Dbg( p_vout, "Area(%d) matched, going to %s\n", i_area,
pp_curent_area->psz_mrl );
playlist_Control( p_vout->p_sys->p_playlist,
PLAYLIST_VIEWPLAY, VLC_TRUE, NULL, p_item );
pp_curent_area->i_matches = 0;
} }
x = color_x_max[i];
for( y = color_y_min[i]; y <= color_y_max[i]; y++ )
{
p_outpix[y*i_src_pitch+x] = 0xff;
}
#else
for( x = color_x_min[i]; x <= color_x_max[i]; x++ )
{
for( y = color_y_min[i]; y <= color_y_max[i]; y++ )
{
p_outpix[y*i_src_pitch+x] = 0x0;
//p_inpix[y*i_src_pitch+x];
} }
p_last_in = p_buffer + i_offset;
p_in = p_inpic->p[i_index].p_pixels;
p_out = p_outpic->p[i_index].p_pixels;
p_vout->p_libvlc->pf_memcpy( p_last_in, p_in, i_size );
break;
default:
break;
} }
#endif
} }
p_vout->p_sys->i_stack++; }
if( p_vout->p_sys->i_stack >= p_vout->p_sys->i_history ) printf("counted %d moving shapes\n", j);
p_vout->p_sys->i_stack = 0;
#undef pp_curent_area /**
* We're done. Lets keep a copy of the Y plane
*/
p_filter->p_libvlc->pf_memcpy( p_oldpix, p_inpix,
i_src_pitch * i_num_lines );
p_filter->p_libvlc->pf_memcpy( p_oldpix_u, p_inpix_u,
i_src_pitch_u * i_num_lines_u );
p_filter->p_libvlc->pf_memcpy( p_oldpix_v, p_inpix_v,
i_src_pitch_u * i_num_lines_u );
vlc_mutex_unlock( &p_filter->p_sys->lock );
/* misc stuff */
p_outpic->date = p_inpic->date;
p_outpic->b_force = p_inpic->b_force;
p_outpic->i_nb_fields = p_inpic->i_nb_fields;
p_outpic->b_progressive = p_inpic->b_progressive;
p_outpic->b_top_field_first = p_inpic->b_top_field_first;
if( p_inpic->pf_release )
p_inpic->pf_release( p_inpic );
return p_outpic;
} }
/*****************************************************************************
* SendEvents: forward mouse and keyboard events to the parent p_vout
*****************************************************************************/
static int SendEvents( vlc_object_t *p_this, char const *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
var_Set( (vlc_object_t *)p_data, psz_var, newval );
return VLC_SUCCESS;
}
/***************************************************************************** /*****************************************************************************
* SendEventsToChild: forward events to the child/children vout * Gaussian Convolution
*****************************************************************************
* Gaussian convolution ( sigma == 1.4 )
*
* | 2 4 5 4 2 | | 2 4 4 4 2 |
* | 4 9 12 9 4 | | 4 8 12 8 4 |
* | 5 12 15 12 5 | ~ | 4 12 16 12 4 |
* | 4 9 12 9 4 | | 4 8 12 8 4 |
* | 2 4 5 4 2 | | 2 4 4 4 2 |
*****************************************************************************/ *****************************************************************************/
static int SendEventsToChild( vlc_object_t *p_this, char const *psz_var, static void GaussianConvolution( uint32_t *p_inpix, uint32_t *p_smooth,
vlc_value_t oldval, vlc_value_t newval, void *p_data ) int i_src_pitch, int i_num_lines,
int i_src_visible )
{ {
vout_thread_t *p_vout = (vout_thread_t *)p_this; /* const uint8_t *p_inpix = p_inpic->p[Y_PLANE].p_pixels;
var_Set( p_vout->p_sys->p_vout, psz_var, newval ); const int i_src_pitch = p_inpic->p[Y_PLANE].i_pitch;
return VLC_SUCCESS; const int i_src_visible = p_inpic->p[Y_PLANE].i_visible_pitch;
const int i_num_lines = p_inpic->p[Y_PLANE].i_visible_lines;*/
int x,y;
for( y = 2; y < i_num_lines - 2; y++ )
{
for( x = 2; x < i_src_visible - 2; x++ )
{
p_smooth[y*i_src_visible+x] = (uint32_t)(
/* 2 rows up */
( p_inpix[(y-2)*i_src_pitch+x-2] )
+ ((p_inpix[(y-2)*i_src_pitch+x-1]
+ p_inpix[(y-2)*i_src_pitch+x]
+ p_inpix[(y-2)*i_src_pitch+x+1])<<1 )
+ ( p_inpix[(y-2)*i_src_pitch+x+2] )
/* 1 row up */
+ ((p_inpix[(y-1)*i_src_pitch+x-2]
+ ( p_inpix[(y-1)*i_src_pitch+x-1]<<1 )
+ ( p_inpix[(y-1)*i_src_pitch+x]*3 )
+ ( p_inpix[(y-1)*i_src_pitch+x+1]<<1 )
+ p_inpix[(y-1)*i_src_pitch+x+2]
/* */
+ p_inpix[y*i_src_pitch+x-2]
+ ( p_inpix[y*i_src_pitch+x-1]*3 )
+ ( p_inpix[y*i_src_pitch+x]<<2 )
+ ( p_inpix[y*i_src_pitch+x+1]*3 )
+ p_inpix[y*i_src_pitch+x+2]
/* 1 row down */
+ p_inpix[(y+1)*i_src_pitch+x-2]
+ ( p_inpix[(y+1)*i_src_pitch+x-1]<<1 )
+ ( p_inpix[(y+1)*i_src_pitch+x]*3 )
+ ( p_inpix[(y+1)*i_src_pitch+x+1]<<1 )
+ p_inpix[(y+1)*i_src_pitch+x+2] )<<1 )
/* 2 rows down */
+ ( p_inpix[(y+2)*i_src_pitch+x-2] )
+ ((p_inpix[(y+2)*i_src_pitch+x-1]
+ p_inpix[(y+2)*i_src_pitch+x]
+ p_inpix[(y+2)*i_src_pitch+x+1])<<1 )
+ ( p_inpix[(y+2)*i_src_pitch+x+2] )
) >> 6 /* 115 */;
}
}
} }
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment