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noaddata.cpp
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/***************************************************************************
noaddata.cpp - description
-------------------
begin : Sun Mar 10 2002
copyright : (C) 2002/2004 by theNoad #709GRW
email : [email protected]
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>
#include <stdio.h>
#include <syslog.h>
#include <stdlib.h>
#include "noaddata.h"
#include "ctoolbox.h"
int SysLogLevel = 1;
#define IS_TOP_LEFT (m_nLogoCorner == UNKNOWN || m_nLogoCorner == TOP_LEFT)
#define IS_TOP_RIGHT (m_nLogoCorner == UNKNOWN || m_nLogoCorner == TOP_RIGHT)
#define IS_BOT_RIGHT (m_nLogoCorner == UNKNOWN || m_nLogoCorner == BOT_RIGHT)
#define IS_BOT_LEFT (m_nLogoCorner == UNKNOWN || m_nLogoCorner == BOT_LEFT)
noadData::noadData()
{
bYUVSource = true;
bUseExternalMem = false;
iSet = NULL;
/** set screen size for unknown tv cards*/
m_nGrabWidth = GRAB_WIDTH;
m_nGrabHeight = GRAB_HEIGHT;
similarCutoff = (int)(m_nGrabWidth * m_nGrabHeight / 4 * .91);
dsyslog( "noadData similarCutoff is %ld", similarCutoff);
// get logo settings
m_fMainFilter = (float)0.9;
m_fRunFilter = 0.5;
m_nTimeInterval = 500;
m_nMaxAverage = 245;
m_nMinAverage = 20;
m_nDif2Pictures = 2;
m_nFilterFrames = 15;
m_nCheckFrames = 80;
m_nFilterInit = 80;
m_nTopLinesToIgnore = 0;
m_nBottomLinesToIgnore = 0;
m_nBlackLinesTop = 0;
m_nBlackLinesBottom = 0;
m_nMonoFrameValue = 0;
m_isMonoFrame = -1;
extLogoSearch = false;
// set video buffer first time to NULL
nyuvbuf = NULL;
#ifdef VNOAD
for( int i = 0; i < NUMPICS; i++)
{
video_buffer_mem2[i] = NULL;
video_buffer_mem3[i] = NULL;
}
iCompPics = 0;
#endif
m_bFound = false;
m_nLogoCorner = UNKNOWN;
// create the checklogo object
m_pCheckLogo = NULL;
videoDir = new char[2048];
strcpy( videoDir, "/video" );
m_chColorCorner3 = NULL;
m_chColorCorner2 = NULL;
m_chColorCorner1 = NULL;
m_chColorCorner0 = NULL;
m_chGreyCorner3 = NULL;
m_chGreyCorner2 = NULL;
m_chGreyCorner1 = NULL;
m_chGreyCorner0 = NULL;
strcpy(infoLine, "");
resetSceneChangeDetection();
}
noadData::~noadData()
{
// free corner buffers
delete [] m_chColorCorner3;
delete [] m_chColorCorner2;
delete [] m_chColorCorner1;
delete [] m_chColorCorner0;
delete [] m_chGreyCorner3;
delete [] m_chGreyCorner2;
delete [] m_chGreyCorner1;
delete [] m_chGreyCorner0;
if( m_pCheckLogo != NULL )
delete m_pCheckLogo;
m_pCheckLogo = NULL;
#ifdef VNOAD
//clearPics();
#endif
}
// called to init the buffer when video size is known
void noadData::initBuffer()
{
// free corner buffers
if(m_chColorCorner3)
delete [] m_chColorCorner3;
if(m_chColorCorner2)
delete [] m_chColorCorner2;
if(m_chColorCorner1)
delete [] m_chColorCorner1;
if(m_chColorCorner0)
delete [] m_chColorCorner0;
if(m_chGreyCorner3)
delete [] m_chGreyCorner3;
if(m_chGreyCorner2)
delete [] m_chGreyCorner2;
if(m_chGreyCorner1)
delete [] m_chGreyCorner1;
if(m_chGreyCorner0)
delete [] m_chGreyCorner0;
// settings for corner
m_nBorderX = m_nGrabWidth / 32;
m_nBorderYTop = m_nGrabWidth / 32;
if( m_nTopLinesToIgnore > m_nBorderYTop )
m_nBorderYTop = m_nTopLinesToIgnore - m_nBorderYTop;
m_nBorderYBot = m_nGrabWidth / 32;
if( m_nBottomLinesToIgnore > m_nBorderYBot )
m_nBorderYBot = m_nBottomLinesToIgnore - m_nBorderYBot;
m_nSizeX = m_nGrabWidth / 5;
m_nSizeY = m_nGrabHeight / 4;
// allocate memory for the color corners
m_chColorCorner0 = new char[m_nSizeX*m_nSizeY*BYTES_PER_PIXEL];
m_chColorCorner1 = new char[m_nSizeX*m_nSizeY*BYTES_PER_PIXEL];
m_chColorCorner2 = new char[m_nSizeX*m_nSizeY*BYTES_PER_PIXEL];
m_chColorCorner3 = new char[m_nSizeX*m_nSizeY*BYTES_PER_PIXEL];
// set color corner to black for the first time
memset( m_chColorCorner0, 100, m_nSizeX*m_nSizeY*BYTES_PER_PIXEL );
memset( m_chColorCorner1, 100, m_nSizeX*m_nSizeY*BYTES_PER_PIXEL );
memset( m_chColorCorner2, 100, m_nSizeX*m_nSizeY*BYTES_PER_PIXEL );
memset( m_chColorCorner3, 100, m_nSizeX*m_nSizeY*BYTES_PER_PIXEL );
// allocate memory for the grey corners
m_chGreyCorner0 = new char[m_nSizeX*m_nSizeY];
m_chGreyCorner1 = new char[m_nSizeX*m_nSizeY];
m_chGreyCorner2 = new char[m_nSizeX*m_nSizeY];
m_chGreyCorner3 = new char[m_nSizeX*m_nSizeY];
// set grey corner to black for the first time
memset( m_chGreyCorner0, 0, m_nSizeX*m_nSizeY );
memset( m_chGreyCorner1, 0, m_nSizeX*m_nSizeY );
memset( m_chGreyCorner2, 0, m_nSizeX*m_nSizeY );
memset( m_chGreyCorner3, 0, m_nSizeX*m_nSizeY );
// create the checklogo object
if( m_pCheckLogo != NULL )
delete m_pCheckLogo;
m_pCheckLogo = new CCheckLogo( this );
resetSceneChangeDetection();
if( iSet )
delete [] iSet;
iSet = new int[m_nGrabWidth*2];
}
// called to clean the testline list
void noadData::deleteTestlines( testlines** tl )
{
testlines* del_line;
testpair* next_pair;
testpair* del_pair;
while ( *tl )
{
if ( (*tl)->pair )
{
next_pair = (*tl)->pair;
while ( next_pair )
{
del_pair = next_pair;
next_pair = next_pair->next;
delete [] del_pair;
}
}
del_line = *tl;
*tl = (*tl)->next;
delete [] del_line;
}
*tl = NULL;
}
// copy data into color corner buffer
/*
void noadData::setColorCorners()
{
CToolBox tool;
int x,y, count0=0, count1=0, count2=0, count3=0;
long lCount = 0;
for ( y = 0; y < m_nGrabHeight; y++ )
{
for ( x = 0; x < m_nGrabWidth; x++ )
{
int lc3 = lCount*BYTES_PER_PIXEL;
// the both top corners
if ( y>=m_nBorderYTop && y<m_nSizeY+m_nBorderYTop)
{
// top left corner
if ( IS_TOP_LEFT && x>=m_nBorderX && x<m_nBorderX+m_nSizeX )
{
tool.filter_tp( &m_chColorCorner0[count0++], &video_buffer_mem[lc3] );
tool.filter_tp( &m_chColorCorner0[count0++], &video_buffer_mem[lc3+1] );
tool.filter_tp( &m_chColorCorner0[count0++], &video_buffer_mem[lc3+2] );
#ifdef USE_RGB32
count0++;
#endif
}
// top right corner
if ( IS_TOP_RIGHT && x>=m_nGrabWidth-m_nBorderX-m_nSizeX && x< m_nGrabWidth-m_nBorderX )
{
tool.filter_tp( &m_chColorCorner1[count1++], &video_buffer_mem[lc3] );
tool.filter_tp( &m_chColorCorner1[count1++], &video_buffer_mem[lc3+1] );
tool.filter_tp( &m_chColorCorner1[count1++], &video_buffer_mem[lc3+2] );
#ifdef USE_RGB32
count1++;
#endif
}
}
// the both bottom corners
if ( y>=m_nGrabHeight-m_nBorderYBot-m_nSizeY && y<m_nGrabHeight-m_nBorderYBot )
{
// bot left corner
if ( IS_BOT_LEFT && x>=m_nBorderX && x<m_nBorderX+m_nSizeX )
{
tool.filter_tp( &m_chColorCorner3[count3++], &video_buffer_mem[lc3] );
tool.filter_tp( &m_chColorCorner3[count3++], &video_buffer_mem[lc3+1] );
tool.filter_tp( &m_chColorCorner3[count3++], &video_buffer_mem[lc3+2] );
#ifdef USE_RGB32
count3++;
#endif
}
// bot right corner
if ( IS_BOT_RIGHT && x>=m_nGrabWidth-m_nBorderX-m_nSizeX && x< m_nGrabWidth-m_nBorderX )
{
tool.filter_tp( &m_chColorCorner2[count2++], &video_buffer_mem[lc3] );
tool.filter_tp( &m_chColorCorner2[count2++], &video_buffer_mem[lc3+1] );
tool.filter_tp( &m_chColorCorner2[count2++], &video_buffer_mem[lc3+2] );
#ifdef USE_RGB32
count2++;
#endif
}
}
lCount++;
}
}
}
*/
/** set the grey corners from color corners
* use values for color components
*/
/*void noadData::setGreyCorners( float fRed, float fGreen, float fBlue)
{
int x, y, n=0;
int mb, mg, mr;
float fSum, fCompRed, fCompGreen, fCompBlue;
for ( y=0; y< m_nSizeY; y++ )
{
for ( x=0; x< m_nSizeX; x++ )
{
mb = n*BYTES_PER_PIXEL;
mg = mb+1;
mr = mg+1;
// set corner top left
if( IS_TOP_LEFT )
{
fCompBlue = (unsigned char)m_chColorCorner0[mb];
fCompGreen = (unsigned char)m_chColorCorner0[mg];
fCompRed = (unsigned char)m_chColorCorner0[mr];
fSum = fRed*fCompRed + fGreen*fCompGreen + fBlue*fCompBlue;
m_chGreyCorner0[n] = (int)fSum;
}
// set corner top right
if( IS_TOP_RIGHT )
{
fCompBlue = (unsigned char)m_chColorCorner1[mb];
fCompGreen = (unsigned char)m_chColorCorner1[mg];
fCompRed = (unsigned char)m_chColorCorner1[mr];
fSum = fRed*fCompRed + fGreen*fCompGreen + fBlue*fCompBlue;
m_chGreyCorner1[n] = (int)fSum;
}
// set corner bot right
if( IS_BOT_RIGHT )
{
fCompBlue = (unsigned char)m_chColorCorner2[mb];
fCompGreen = (unsigned char)m_chColorCorner2[mg];
fCompRed = (unsigned char)m_chColorCorner2[mr];
fSum = fRed*fCompRed + fGreen*fCompGreen + fBlue*fCompBlue;
m_chGreyCorner2[n] = (int)fSum;
}
// set corner bot left
if( IS_BOT_LEFT )
{
fCompBlue = (unsigned char)m_chColorCorner3[mb];
fCompGreen = (unsigned char)m_chColorCorner3[mg];
fCompRed = (unsigned char)m_chColorCorner3[mr];
fSum = fRed*fCompRed + fGreen*fCompGreen + fBlue*fCompBlue;
m_chGreyCorner3[n] = (int)fSum;
}
n++;
}
}
}
*/
// sets the running corners
void noadData::setCorners()
{
if ( nyuvbuf != NULL )
{
//if( bYUVSource )
setYUVGreyCorners();
// else
// {
// setColorCorners();
// setGreyCorners( 0.3f, 0.59f, 0.11f );
// }
}
}
// set the grey corners from YUV-Plane
void noadData::setYUVGreyCorners()
{
// TOCHECK
CToolBox tool;
int count0 = 0, count3 = 0;
int topend = m_nBorderYTop+m_nSizeY;
int bottStart = m_nGrabHeight-m_nBorderYBot-m_nSizeY;
int bottEnd = m_nGrabHeight-m_nBorderYBot;
int linestart;
int rightLogoOffset = m_nGrabWidth-m_nBorderX-m_nSizeX;
uint8_t *bufstart = nyuvbuf->buf[0];
int linewidth0 = nyuvbuf->linewidth[0];
int linewidth1 = nyuvbuf->linewidth[1];
for ( int y = m_nBorderYTop; y<topend; y++)
{
linestart = y*linewidth0;
memcpy(&m_chGreyCorner0[count0],&bufstart[linestart+m_nBorderX],m_nSizeX);
memcpy(&m_chGreyCorner1[count0],&bufstart[linestart+rightLogoOffset],m_nSizeX);
count0 += m_nSizeX;
}
for ( int y = bottStart; y<bottEnd; y++ )
{
linestart = y*linewidth0;
memcpy(&m_chGreyCorner3[count3],&bufstart[linestart+m_nBorderX],m_nSizeX);
memcpy(&m_chGreyCorner2[count3],&bufstart[linestart+rightLogoOffset],m_nSizeX);
count3 += m_nSizeX;
}
int x,y, s_x;
int m_width = GRAB_WIDTH/5;
int m_height = GRAB_HEIGHT/4;
s_x = m_nBorderX;
linestart = linewidth0*m_nBorderYTop;
uint8_t *bufstart2 = nyuvbuf->buf[2];
for ( y=0; y<m_height/2-1; y++ )
{
int s_y = linestart/4+(y*linewidth1)+s_x/2;
for ( x=0; x< m_width/2-1; x++ )
{
unsigned int pix = *(bufstart2+s_y+x);
#define ADDPIX(a,b) \
{int i = ((*a)-128 + b ); if(i > 255) i=255; *a = i;}
ADDPIX((m_chGreyCorner0+y*2*m_nSizeX+x*2),pix);
ADDPIX((m_chGreyCorner0+y*2*m_nSizeX+x*2+1),pix);
ADDPIX((m_chGreyCorner0+(y*2+1)*m_nSizeX+x*2),pix);
ADDPIX((m_chGreyCorner0+(y*2+1)*m_nSizeX+x*2+1),pix);
}
}
s_x = rightLogoOffset;
linestart = linewidth0*m_nBorderYTop;
for ( y=0; y<m_height/2-1; y++ )
{
int s_y = linestart/4+(y*linewidth1)+s_x/2;
for ( x=0; x< m_width/2-1; x++ )
{
unsigned int pix = *(bufstart2+s_y+x);
#define ADDPIX(a,b) \
{int i = ((*a)-128 + b ); if(i > 255) i=255; *a = i;}
ADDPIX((m_chGreyCorner1+y*2*m_nSizeX+x*2),pix);
ADDPIX((m_chGreyCorner1+y*2*m_nSizeX+x*2+1),pix);
ADDPIX((m_chGreyCorner1+(y*2+1)*m_nSizeX+x*2),pix);
ADDPIX((m_chGreyCorner1+(y*2+1)*m_nSizeX+x*2+1),pix);
}
}
}
void writeInt( FILE *fd, const char * /*name*/, int iVal)
{
fwrite(&iVal, sizeof(int), 1, fd);
}
int readInt( FILE *fd, const char */*name*/, int *iVal, bool ignoredata = false)
{
int iDummy;
if(ignoredata)
fread(&iDummy, sizeof(int), 1, fd );
else
fread(iVal, sizeof(int), 1, fd );
return *iVal;
}
void noadData::saveCheckData( const char *name, bool bFullnameGiven )
{
FILE *fd;
char fname[2048];
if( !bFullnameGiven )
{
strcpy( &fname[0], videoDir );
strcat( fname, "/");
strcat( fname, name );
}
else
strcpy( fname, name );
dsyslog( "noadData saveCheckData to %s", fname);
fd = fopen(fname, "wb");
if( fd )
{
writeInt( fd, "m_nFilterInit", m_nFilterInit);
writeInt( fd, "m_nFilterFrames", m_nFilterFrames);
writeInt( fd, "m_nDif2Pictures", m_nDif2Pictures);
writeInt( fd, "m_nMaxAverage", m_nMaxAverage);
writeInt( fd, "m_nTimeInterval", m_nTimeInterval);
writeInt( fd, "m_nSizeX", m_nSizeX);
writeInt( fd, "m_nSizeY", m_nSizeY);
writeInt( fd, "m_nBorderX", m_nBorderX);
writeInt( fd, "m_nBorderYTop", m_nBorderYTop);
writeInt( fd, "m_nBorderYBot", m_nBorderYBot);
writeInt( fd, "m_nGrabHeight", m_nGrabHeight);
writeInt( fd, "m_nGrabWidth", m_nGrabWidth);
writeInt( fd, "m_nMinAverage", m_nMinAverage);
writeInt( fd, "m_nCheckFrames", m_nCheckFrames);
writeInt( fd, "m_nLogoCorner", m_nLogoCorner);
writeInt( fd, "m_bFound", m_bFound);
m_pCheckLogo->save( fd );
fclose( fd );
}
else
dsyslog( "noadData can't open %s", fname);
}
void noadData::logCheckData()
{
dsyslog( " m_nFilterInit %d", m_nFilterInit);
dsyslog( " m_nFilterFrames %d", m_nFilterFrames);
dsyslog( " m_nDif2Pictures %d", m_nDif2Pictures);
dsyslog( " m_nMaxAverage %d", m_nMaxAverage);
dsyslog( " m_nTimeInterval %d", m_nTimeInterval);
dsyslog( " m_nSizeX %d", m_nSizeX);
dsyslog( " m_nSizeY %d", m_nSizeY);
dsyslog( " m_nBorderX %d", m_nBorderX);
dsyslog( " m_nBorderYTop %d", m_nBorderYTop);
dsyslog( " m_nBorderYBot %d", m_nBorderYBot);
dsyslog( " m_nGrabHeight %d", m_nGrabHeight);
dsyslog( " m_nGrabWidth %d", m_nGrabWidth);
dsyslog( " m_nMinAverage %d", m_nMinAverage);
dsyslog( " m_nCheckFrames %d", m_nCheckFrames);
dsyslog( " m_nLogoCorner %d", m_nLogoCorner);
dsyslog( " m_bFound %d", m_bFound);
m_pCheckLogo->log();
}
bool noadData::loadCheckData( const char *name, bool bFullnameGiven )
{
bool ignoreData = false;
FILE *fd;
char fname[2048];
if( !bFullnameGiven)
{
strcpy( &fname[0], videoDir );
strcat( fname, "/");
strcat( fname, name );
}
else
strcpy( fname, name );
dsyslog( "noadData loadCheckData from %s", fname);
fd = fopen(fname, "rb");
if( fd )
{
int grabWidth, grabHeight;
readInt( fd, "m_nFilterInit", &m_nFilterInit,ignoreData);
dsyslog( "noadData Load %s %d", "m_nFilterInit", m_nFilterInit);
readInt( fd, "m_nFilterFrames", &m_nFilterFrames,ignoreData);
dsyslog( "noadData Load %s %d", "m_nFilterFrames", m_nFilterFrames);
readInt( fd, "m_nDif2Pictures", &m_nDif2Pictures,ignoreData);
readInt( fd, "m_nMaxAverage", &m_nMaxAverage,ignoreData);
readInt( fd, "m_nTimeInterval", &m_nTimeInterval,ignoreData);
readInt( fd, "m_nSizeX", &m_nSizeX,ignoreData);
readInt( fd, "m_nSizeY", &m_nSizeY,ignoreData);
readInt( fd, "m_nBorderX", &m_nBorderX,ignoreData);
readInt( fd, "m_nBorderYTop", &m_nBorderYTop,ignoreData);
readInt( fd, "m_nBorderYBot", &m_nBorderYBot,ignoreData);
readInt( fd, "m_nGrabHeight", &grabHeight,ignoreData);
readInt( fd, "m_nGrabWidth", &grabWidth,ignoreData);
readInt( fd, "m_nMinAverage", &m_nMinAverage,ignoreData);
readInt( fd, "m_nCheckFrames", &m_nCheckFrames,ignoreData);
readInt( fd, "m_nLogoCorner", &m_nLogoCorner);
//similarCutoff = (int)(m_nGrabWidth * m_nGrabHeight / 4 * .91);
//dsyslog( "noadData similarCutoff is now %ld", similarCutoff);
setGrabSize( grabWidth, grabHeight );
int iVal;
m_bFound = readInt( fd, "m_bFound", &iVal) > 0;
m_pCheckLogo->load( fd );
fclose( fd );
switch( m_nLogoCorner )
{
case 0: m_pCheckLogo->setCornerData(m_chGreyCorner0); break;
case 1: m_pCheckLogo->setCornerData(m_chGreyCorner1); break;
case 2: m_pCheckLogo->setCornerData(m_chGreyCorner2); break;
case 3: m_pCheckLogo->setCornerData(m_chGreyCorner3); break;
}
return true;
}
else
dsyslog( "noadData can't open %s", fname);
return false;
}
void noadData::setGrabSize( int width, int height )
{
dsyslog( "noadData setGrabSize from %d %d to %d %d", m_nGrabWidth,m_nGrabHeight,width, height);
if( m_nGrabWidth != width || m_nGrabHeight != height )
{
dsyslog( "init grabbing with %d %d = %d pixels", width, height, width*height);
m_nGrabWidth = width;
m_nGrabHeight = height;
initBuffer();
similarCutoff = (int)(m_nGrabWidth * m_nGrabHeight / 4 * .91);
dsyslog( "noadData similarCutoff is now %ld", similarCutoff);
}
}
int noadData::countvals(unsigned char *_src[3], int line, int width, int /*height*/, int border)
{
//int *iSet = new int[width*2];
int iHalfWidth = width>>1;
int iHalfLine = line>>1;
int iHalfOffset = iHalfWidth*iHalfLine;
unsigned char *src = _src[0] + width * line;
#ifdef VNOAD
unsigned char *usrc = _src[1] + iHalfOffset;
unsigned char *vsrc = _src[2] + iHalfOffset;
#endif
memset( iSet,0,width*2*sizeof(int));
border = 0;
#ifdef VNOAD
border = 0;
int ySum = 0;
int iColSum = 0;
#endif
int uSum = 0;
int vSum = 0;
for(int i = border; i < width-(border); i++)
{
iSet[src[i]] = 1;
#ifdef VNOAD
ySum += src[i];
int y = src[i];
int u = usrc[i/2];
int v = vsrc[i/2];
iColSum += ((y+u+v)/3);
#endif
}
int iyCount = 0;
for( int i = 0; i < width;i++)
iyCount += iSet[i];
unsigned char *src1 = _src[1]+iHalfOffset;
unsigned char *src2 = _src[2]+iHalfOffset;
for(int i = 0; i < iHalfWidth; i++)
{
uSum += src1[i];
vSum += src2[i];
}
#ifdef VNOAD
//int iFaktor = ySum/width-(border) + uSum/width/2 + vSum/width/2;
#endif
int iRetval = iyCount;
iRetval += abs( 128 - (uSum/(iHalfWidth)));
iRetval += abs( 128 - (vSum/(iHalfWidth)));
return iRetval;
}
int noadData::countvals(noadYUVBuf *yuvbuf, int line, int border)
{
int iHalfWidth = yuvbuf->linewidth[1];
int iHalfLine = line>>1;
int iHalfOffset = iHalfWidth*iHalfLine;
unsigned char *src = yuvbuf->buf[0] + yuvbuf->linewidth[0] * line;
#ifdef VNOAD
unsigned char *usrc = yuvbuf->buf[1] + iHalfOffset;
unsigned char *vsrc = yuvbuf->buf[2] + iHalfOffset;
#endif
memset( iSet,0,yuvbuf->width*2*sizeof(int));
border = 0;
#ifdef VNOAD
border = 0;
int ySum = 0;
int iColSum = 0;
#endif
int uSum = 0;
int vSum = 0;
for(int i = border; i < yuvbuf->width - border; i++)
{
iSet[src[i]] = 1;
#ifdef VNOAD
ySum += src[i];
int y = src[i];
int u = usrc[i/2];
int v = vsrc[i/2];
iColSum += ((y+u+v)/3);
#endif
}
int iyCount = 0;
for( int i = 0; i < yuvbuf->width;i++)
iyCount += iSet[i];
unsigned char *src1 = yuvbuf->buf[1]+iHalfOffset;
unsigned char *src2 = yuvbuf->buf[2]+iHalfOffset;
for(int i = 0; i < iHalfWidth; i++)
{
uSum += src1[i];
vSum += src2[i];
}
#ifdef VNOAD
//int iFaktor = ySum/width-(border) + uSum/width/2 + vSum/width/2;
#endif
int iRetval = iyCount;
iRetval += abs( 128 - (uSum/(iHalfWidth)));
iRetval += abs( 128 - (vSum/(iHalfWidth)));
return iRetval;
}
void noadData::detectBlackLines( noadYUVBuf *yuvbuf )
{
bool bNonBlack = false;
m_nBlackLinesTop = 0;
m_nBlackLinesBottom = 0;
m_nBlackLinesTop2 = 0;
m_nBlackLinesBottom2 = 0;
int i;
// int ii;
// int iBytesPerPixel = 1;
int cutval = 20;
for( i = 8; i < m_nGrabHeight/2 && !bNonBlack; i++ )
{
if( countvals(yuvbuf, i, m_nBorderX+m_nSizeX) > cutval )
bNonBlack = true;
else
m_nBlackLinesTop2++;
}
m_nBlackLinesTop2 &= ~1;
bNonBlack = false;
for( i = m_nGrabHeight-2; i > 0 && i > m_nBlackLinesTop2 && !bNonBlack; i-- )
{
if( countvals(yuvbuf, i, m_nBorderX+m_nSizeX) > cutval )
bNonBlack = true;
else
m_nBlackLinesBottom2++;
}
if( m_nBlackLinesBottom2 &1 )
m_nBlackLinesBottom2--;
m_nBlackLinesTop = m_nBlackLinesTop2;
m_nBlackLinesBottom = m_nBlackLinesBottom2;
}
void noadData::ndetectBlackLines(int width, int height, unsigned char **buf)
{
#define MAXY 25
bool bNonBlack = false;
m_nBlackLinesTop = 0;
m_nBlackLinesBottom = 0;
int i;
//unsigned char **bufs = buf;
unsigned char *line = buf[0];
for( i = 0; i < height/4 && !bNonBlack; i++ )
{
for( int j = 0; j < width && !bNonBlack; j++)
{
if( line[j] > MAXY && line[j] != 255)
bNonBlack = true;
}
if( !bNonBlack )
m_nBlackLinesTop++;
line += width;
}
if( m_nBlackLinesTop )
m_nBlackLinesTop--;
bNonBlack = false;
line = buf[0]+width*(height-1);
for( i = height-1; i > height/4*3 && !bNonBlack; i-- )
{
for( int j = 0; j < width && !bNonBlack; j++)
{
if( line[j] > MAXY && line[j] != 255)
bNonBlack = true;
}
if( !bNonBlack )
m_nBlackLinesBottom++;
line -= width;
}
if( m_nBlackLinesBottom )
m_nBlackLinesBottom--;
}
void noadData::ndetectBlackLines( noadYUVBuf *yuvbuf )
{
#define MAXY 25
bool bNonBlack = false;
m_nBlackLinesTop = 0;
m_nBlackLinesBottom = 0;
int i;
int height = yuvbuf->height;
int width = yuvbuf->width;
unsigned char *line = yuvbuf->buf[0];
for( i = 0; i < height/4 && !bNonBlack; i++ )
{
for( int j = 0; j < width && !bNonBlack; j++)
{
if( line[j] > MAXY && line[j] != 255)
bNonBlack = true;
}
if( !bNonBlack )
m_nBlackLinesTop++;
line += yuvbuf->linewidth[0];
}
if( m_nBlackLinesTop )
m_nBlackLinesTop--;
bNonBlack = false;
line = yuvbuf->buf[0]+yuvbuf->linewidth[0]*(height-1);
for( i = height-1; i > height/4*3 && !bNonBlack; i-- )
{
for( int j = 0; j < width && !bNonBlack; j++)
{
if( line[j] > MAXY && line[j] != 255)
bNonBlack = true;
}
if( !bNonBlack )
m_nBlackLinesBottom++;
line -= yuvbuf->linewidth[0];
}
if( m_nBlackLinesBottom )
m_nBlackLinesBottom--;
}
void noadData::checkMonoFrame( int framenum, unsigned char **_src)
{
#define MINMAX(a,b) { if(a##Min > b ) a##Min = b; if( a##Max < b) a##Max = b; }
int size = m_nGrabWidth*m_nGrabHeight;
int uvsize = (m_nGrabWidth/2)*(m_nGrabHeight/2);
int width = m_nGrabWidth;
int *iSet = new int[256];
unsigned char *src = _src[0];
memset( iSet,0,256*sizeof(int));
for(int i = width*2; i < size-2*width; i++)
{
iSet[src[i]] = 1;
}
int iyCount = 0;
for( int i = 0; i < 256;i++)
iyCount += iSet[i];
memset( iSet,0,256*sizeof(int));
src = _src[1];
for(int i = width/2; i < uvsize-width/2; i++)
{
iSet[src[i]] = 1;
}
int iuCount = 0;
for( int i = 0; i < 256;i++)
iuCount += iSet[i];
memset( iSet,0,256*sizeof(int));
src = _src[2];
for(int i = width/2; i < uvsize-width/2; i++)
{
iSet[src[i]] = 1;
}
int ivCount = 0;
for( int i = 0; i < 256;i++)
ivCount += iSet[i];
#ifdef VNOAD
dsyslog( "dif values in pic %d: %d %d %d s-count %3d",
framenum, iyCount,iuCount,ivCount, iyCount+iuCount+ivCount);
#endif
m_nMonoFrameValue = iyCount+iuCount+ivCount;
delete [] iSet;
}
bool pointInRect(int x, int y, int left, int top, int right, int bottom)
{
if( y >= top && y <= bottom && x >= left && x <= right)
return true;
return false;
}
/*
bool noadData::CheckFrameIsBlank(int framenum, unsigned char **buf )
{
m_isMonoFrame = 0;
const unsigned int max_brightness = 135; // check this value, org was 120
const unsigned int test_brightness = 80;
const int pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
const int pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
const int pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
const int pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
bool isDim = false;
int l, r, t, b;
l = r = t = b = 0;
m_pCheckLogo-> getLogoRect(l, t, r, b);
int width = m_nGrabWidth;
int height = m_nGrabHeight;
int yPos;
if (!width || !height)
return(false);
if( l > 4 )
l -= 4;
if( t > 4 )
t -= 4;
if( b > 0 )
b += 4;
if( r > 0 )
r += 4;
unsigned char *frame_ptr = (unsigned char *)getVideoBuffer();//buf[0];
// go through the image in png interlacing style testing if blank
for(int pass = 0; pass < 7; pass++)
{
for(int y = pass_ystart[pass]; y < height; y += pass_yinc[pass])
{
yPos = y * width;
for(int x = pass_start[pass]; x < width; x += pass_inc[pass])
{
if( !pointInRect(x,y,l,t,r,b) )
{
if (frame_ptr[yPos + x] > max_brightness)
{
//dsyslog( "CheckFrameIsBlank of frame %d gives false(1) at %d %d with %d",framenum, x, y,frame_ptr[y * width + x] );
return(false);
}
if (frame_ptr[yPos + x] > test_brightness)
isDim = true;
}
}
}
}
// frame is dim so test average
if (isDim)
{
int avg = GetAvgBrightness(framenum,buf);
if (avg > 35)
{
//dyslog(LOG_INFO, "CheckFrameIsBlank of frame %d gives false(2)",framenum);
return(false);
}
}
//dsyslog( "CheckFrameIsBlank of frame %d gives true",framenum);
m_isMonoFrame = 1;
return(true);
}
*/
bool noadData::CheckFrameIsBlank(int framenum, noadYUVBuf *yuvbuf )
{
m_isMonoFrame = 0;
const unsigned int max_brightness = 135; // check this value, org was 120
const unsigned int test_brightness = 80;
const int pass_start[7] = {0, 4, 0, 2, 0, 1, 0};
const int pass_inc[7] = {8, 8, 4, 4, 2, 2, 1};
const int pass_ystart[7] = {0, 0, 4, 0, 2, 0, 1};
const int pass_yinc[7] = {8, 8, 8, 4, 4, 2, 2};
bool isDim = false;
int l, r, t, b;
l = r = t = b = 0;
m_pCheckLogo-> getLogoRect(l, t, r, b);
int width = m_nGrabWidth;
int height = m_nGrabHeight;
int yPos;
if (!width || !height)
return(false);
if( l > 4 )
l -= 4;
if( t > 4 )
t -= 4;
if( b > 0 )
b += 4;
if( r > 0 )
r += 4;
unsigned char *frame_ptr = (unsigned char *)yuvbuf->buf[0];
// go through the image in png interlacing style testing if blank
for(int pass = 0; pass < 7; pass++)
{
for(int y = pass_ystart[pass]; y < height; y += pass_yinc[pass])
{
yPos = y * width;
for(int x = pass_start[pass]; x < width; x += pass_inc[pass])
{
if( !pointInRect(x,y,l,t,r,b) )
{
if (frame_ptr[yPos + x] > max_brightness)
{
//dsyslog( "CheckFrameIsBlank of frame %d gives false(1) at %d %d with %d",framenum, x, y,frame_ptr[y * width + x] );
return(false);
}
if (frame_ptr[yPos + x] > test_brightness)
isDim = true;
}
}
}
}
// frame is dim so test average
if (isDim)
{
int avg = GetAvgBrightness(framenum,yuvbuf);
if (avg > 35)
{
//dyslog(LOG_INFO, "CheckFrameIsBlank of frame %d gives false(2)",framenum);
return(false);
}
}
//dsyslog( "CheckFrameIsBlank of frame %d gives true",framenum);
m_isMonoFrame = 1;
return(true);
}
int noadData::GetAvgBrightness(int framenum, noadYUVBuf *yuvbuf )
{
int brightness = 0;
int pixels = 0;
int yPos;
unsigned char *frame_ptr = (unsigned char *)yuvbuf->buf[0];
for(int y = 0; y < m_nGrabHeight; y += 4)
{
yPos = y * m_nGrabWidth;
for(int x = 0; x < m_nGrabWidth; x += 4)
{