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noad.cpp
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noad.cpp
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/***************************************************************************
noaddata.h - description
-------------------
begin : Sun Mar 10 2002
copyright : (C) 2002/2004 by theNoad #709GRW
email : [email protected]
***************************************************************************/
/*
this is the main part of noad
most of the work is done here
*/
#include "config.h"
bool bOnMarksOnly = false;
#ifdef VNOAD
bool bPlayAudio = false;
int ossfd = 0;
bool useAudioDetection = true;
#define noCHECK_ONMARKS
#define noDO_PASS2
#define DO_NEWPASS2
#define AUTO_CLEANUP
#else
bool useAudioDetection = false;
#define noDO_PASS2
#define DO_NEWPASS2
#define AUTO_CLEANUP
#endif
#include "noad.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include <time.h>
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#include <signal.h>
#endif
#include <inttypes.h>
#include "svdrpc.h"
#include "audiotools.h"
MPEGDecoder *decoder;
extern "C"
{
static const char *VERSIONSTRING = "0.8.8";
}
#ifdef VNOAD
#include <qobject.h>
#include <qwidget.h>
QWidget *widget = NULL;
#include "vnoad_f.h"
#endif
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <unistd.h>
#include <syslog.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include "vdr_cl.h"
#include "tools.h"
#include "videodir.h"
#include "noaddata.h"
#include "ccontrol.h"
#ifdef VNOAD
#include "ctoolbox.h"
frameCallbackFunc frameCallback = NULL;
infocbfunc info_callback = NULL;
positioncbfunc fPosCallBack = NULL;
#endif
fcbSizeChanged fSizeChanged = NULL;
typedef unsigned char uchar;
// Picture types:
#define NO_PICTURE 0
#define I_FRAME 1
#define P_FRAME 2
#define B_FRAME 3
extern int demux_track;
extern int SysLogLevel;
noadData *ndata = NULL;
CControl* cctrl = NULL;
char *filename = NULL;
bool bReUseLogo = true;
int default_Decoder = FFMPEG_DECODER;
cNoadIndexFile *cIF = NULL;
cFileName *cfn = NULL;
bool bMarkChanged = false;
extern int bFrameDisplayed;
//statistic data
int totalFrames = 0;
int totalDecodedFrames = 0;
int decodedFramesForLogoDetection = 0;
int decodedFramesForLogoCheck = 0;
int decodedFramesForAC3Detection = 0;
int decodedFramesForAC3Check = 0;
int secsForLogoDetection = 0;
int secsForLogoCheck = 0;
int secsForAC3Detection = 0;
int secsForAC3Scan = 0;
int secsForScan = 0;
bool hasBlackLines = false;
bool hasAC3 = false;
bool hasOverlaps = false;
int picWidth = 0;
int picHeight = 0;
// control-data
bool backupMarks = false;
bool isNelonen = false;
bool doPass2 = true;
#ifdef VNOAD
bool detectOverlaps = true;
bool saveLogo = true;
bool useSceneChangeDetection = false;
int osdMsg=1;
bool logoJumpDetection = true;
bool markComments = true;
bool doPass3 = true;
#else
bool detectOverlaps = false;
bool saveLogo = false;
bool useSceneChangeDetection = false;
int osdMsg=0;
bool logoJumpDetection = false;
bool markComments = false;
bool doPass3 = false;
#endif
bool pass3only = false;
int iLastIFrame = 0;
int iIgnoreFrames = 0;
unsigned long ulTopBlackLines;
unsigned long ulBotBlackLines;
int checkedFrames;
uchar readBuffer[MAXFRAMESIZE]; // frame-buffer
int curIndex = 1; // current index
uint16_t FileNumber; // current file-number
off_t FileOffset; // current file-offset
bool Independent; // current picture-type
int Length; // frame-lenght of current frame
uint8_t * end; // pointer to frame-end
noadYUVBuf lastYUVBuf/* = NULL*/; // last yuvbuf from StdCallBack
// Standard-Callback-Funktion
bool StdCallBack( noadYUVBuf* yuvbuf )
{
totalDecodedFrames++;
lastYUVBuf = yuvbuf;
// soll der Frame ignoriert werden ?
if( iIgnoreFrames )
{
iIgnoreFrames--;
return false;
}
if( ndata && yuvbuf)
{
// bei Änderung der Bildgrösse daten zurücksetzen
if( yuvbuf->width != ndata->m_nGrabWidth || yuvbuf->height != ndata->m_nGrabHeight )
{
delete cctrl;
cctrl = NULL;
ndata->setGrabSize( yuvbuf->width, yuvbuf->height );
if( fSizeChanged )
fSizeChanged(yuvbuf->width, yuvbuf->height);
}
ndata->setExternalMem(&lastYUVBuf);
return true;
}
return false;
}
int simpleCallback( noadYUVBuf* yuvbuf )
{
if( StdCallBack( yuvbuf) )
{
#ifdef VNOAD
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
}
return 0;
}
int LogoDetectCallback( noadYUVBuf* yuvbuf )
{
if( StdCallBack( yuvbuf) )
{
if(cctrl == NULL )
{
cctrl = new CControl(ndata);
}
checkedFrames++;
ndata->setCorners();
if( ndata->m_bFound == false )
{
cctrl->newData();
}
else
{
bool bOldState = ndata->m_pCheckLogo->isLogo;
ndata->m_pCheckLogo->newData();
if( bOldState != ndata->m_pCheckLogo->isLogo )
{
dsyslog("LogoDetection: logo %s at %d", ndata->m_pCheckLogo->isLogo ? "appears" : "disappears", iLastIFrame);
}
}
#ifdef VNOAD
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
}
return 0;
}
int BlacklineCallback( noadYUVBuf* yuvbuf )
{
if( StdCallBack( yuvbuf ) )
{
#ifdef VNOAD
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
ndata->detectBlackLines(yuvbuf);
ulTopBlackLines += ndata->m_nBlackLinesTop;
ulBotBlackLines += ndata->m_nBlackLinesBottom;
checkedFrames++;
#ifdef VNOAD
// ??? zweimal ???
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
}
return 0;
}
int BlackframeCallback( noadYUVBuf* yuvbuf )
{
if( StdCallBack( yuvbuf) )
{
#ifdef VNOAD
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
ndata->CheckFrameIsBlank(iCurrentDecodedFrame,yuvbuf);
ulTopBlackLines += ndata->m_nBlackLinesTop;
ulBotBlackLines += ndata->m_nBlackLinesBottom;
checkedFrames++;
}
return 0;
}
int checkCallback( noadYUVBuf* yuvbuf )
{
if( StdCallBack( yuvbuf ) )
{
checkedFrames++;
ndata->setCorners();
ndata->m_pCheckLogo->newData();
#ifdef VNOAD
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
}
return 0;
}
int nBlacklineCallback( noadYUVBuf* yuvbuf )
{
if( StdCallBack( yuvbuf ) )
{
ndata->ndetectBlackLines( yuvbuf);
ulTopBlackLines += ndata->m_nBlackLinesTop;
ulBotBlackLines += ndata->m_nBlackLinesBottom;
checkedFrames++;
#ifdef VNOAD
if( frameCallback )
frameCallback(iCurrentDecodedFrame,yuvbuf);
#endif
}
return 0;
}
// check for logo in some parts of the recording
// check CHECKLOGO_BLOCKS*CHECKLOGO_BLOCKFRAMES frames
// with a distance of CHECKLOGO_DIST between the blocks
// logo should be visible in at least #CHECKLOGO_FRAMES frames
bool checkLogo(int startpos)
{
dsyslog("checklogo for %d frames starting at frame %d", CHECKLOGO_FRAMES, startpos);
int iLogosFound = 0;
noadCallback oldCallback = decoder->getCallback();
decoder->setCallback(checkCallback);
int index = startpos;
int flags = DEMUX_RESET;
index = cIF->GetNextIFrame( index, true, &FileNumber, &FileOffset, &Length, true);
for( int i = 0; i < CHECKLOGO_BLOCKS && iLogosFound < CHECKLOGO_FRAMES; i++ )
{
for( int ii = 1; ii <= CHECKLOGO_BLOCKFRAMES && iLogosFound < CHECKLOGO_FRAMES; ii++ )
{
decoder->getNextPicture(index+ii-1, flags);
flags = 0;
iLogosFound += ndata->m_pCheckLogo->isLogo ? 1 : 0;
iCurrentDecodedFrame = index+ii;
}
index += CHECKLOGO_DIST;
index = cIF->GetNextIFrame( index, true, &FileNumber, &FileOffset, &Length, true);
flags = DEMUX_RESET;
}
decoder->setCallback(oldCallback);
dsyslog("checklogo for %d frames gives %d", CHECKLOGO_FRAMES, iLogosFound >= CHECKLOGO_FRAMES);
return iLogosFound >= CHECKLOGO_FRAMES;
}
#define CHECKLOGOSHORT_FRAMES 600
bool checkLogoShort(int startpos)
{
dsyslog("checklogo for %d frames", CHECKLOGO_FRAMES);
int iLogosFound = 0;
noadCallback oldCallback = decoder->getCallback();
decoder->setCallback(checkCallback);
int index = startpos;
int flags = DEMUX_RESET;
index = cIF->GetNextIFrame( index, true, &FileNumber, &FileOffset, &Length, true);
for( int i = 0; i < CHECKLOGO_BLOCKS && iLogosFound < CHECKLOGO_FRAMES; i++ )
{
for( int ii = 1; ii <= CHECKLOGO_BLOCKFRAMES && iLogosFound < CHECKLOGO_FRAMES; ii++ )
{
decoder->getNextPicture(index+ii-1, flags);
flags = 0;
iLogosFound += ndata->m_pCheckLogo->isLogo ? 1 : 0;
}
index += CHECKLOGO_SHORTDIST;
index = cIF->GetNextIFrame( index, true, &FileNumber, &FileOffset, &Length, true);
flags = DEMUX_RESET;
}
decoder->setCallback(oldCallback);
dsyslog("checklogo for %d frames gives %d", CHECKLOGO_FRAMES, iLogosFound >= CHECKLOGO_FRAMES);
return iLogosFound >= CHECKLOGO_FRAMES;
}
// try to detect a Logo within the next #FRAMES_TO_CHECK frames
bool doLogoDetection(int startIndex)
{
noadCallback oldCallback = decoder->getCallback();
decoder->setCallback(LogoDetectCallback);
int flags = DEMUX_RESET;
// go to the next I-Frame near curIndex
curIndex = cIF->GetNextIFrame( startIndex, true, &FileNumber, &FileOffset, &Length, true);
iLastIFrame = curIndex;
dsyslog("doLogoDetection %d %d", startIndex, curIndex);
while( curIndex >= 0 && !ndata->m_bFound && checkedFrames < FRAMES_TO_CHECK )
{
decoder->getNextPicture(curIndex, flags);
flags = 0;
curIndex++;
if( !cIF->Get( curIndex, &FileNumber, &FileOffset, &Independent, &Length) )
{
decoder->setCallback(oldCallback);
return false;
}
else
if(Independent)
iLastIFrame = curIndex;
}
decoder->setCallback(oldCallback);
return ndata->m_bFound;
}
void reInitNoad(int top, int bottom )
{
dsyslog("reInitNoad %d %d", top, bottom);
ulTopBlackLines = 0;
ulBotBlackLines = 0;
checkedFrames = 0;
delete cctrl;
cctrl = NULL;
ndata->m_nTopLinesToIgnore = top;
ndata->m_nBottomLinesToIgnore = bottom;
ndata->initBuffer();
ndata->m_bFound = false;
ndata->m_nLogoCorner = UNKNOWN;
cctrl = new CControl(ndata);
}
// try to detect the Logo of the Record and verfiy it
// in some parts of the video
bool detectLogo( const char* logoname, int iStartFrame )
{
INFO("Logo-detection","");
time_t start;
time_t end;
reInitNoad( 0, 0 );
if( bReUseLogo && iStartFrame == 0 )
{
// try to reuse a saved logo
if( ndata->loadCheckData(logoname, true) )
{
start = time(NULL);
INFO(NULL,"re-use saved logo");
// we have a logo
// just check that it's ok
if( checkLogo( 0 ) )
{
INFO(NULL,"logo ok");
decodedFramesForLogoCheck = totalDecodedFrames;
end = time(NULL);
secsForLogoCheck = (int)(end - start);
return true;
}
}
}
// start a new logo-scan
start = time(NULL);
int iAStartpos[] =
{
0, int(8*FRAMESPERMIN), int(16*FRAMESPERMIN), int(32*FRAMESPERMIN),
int(5*FRAMESPERMIN), int(10*FRAMESPERMIN), int(15*FRAMESPERMIN),
int(20*FRAMESPERMIN), int(25*FRAMESPERMIN), int(30*FRAMESPERMIN),
-1
};
ulTopBlackLines = 0;
ulBotBlackLines = 0;
checkedFrames = 0;
int iPart = 0;
INFO(NULL,"logo detection");
do
{
// detect from start
dsyslog("detectLogo part%d",iPart+1);
reInitNoad( 0,0 );
if( doLogoDetection(iAStartpos[iPart]+iStartFrame ) )
{
if( checkLogo( iAStartpos[iPart]+iStartFrame ) )
{
end = time(NULL);
secsForLogoDetection = (int)(end - start);
decodedFramesForLogoDetection = totalDecodedFrames;
dsyslog("logo detected %s",
ndata->m_nLogoCorner == TOP_LEFT ? "top left ":
ndata->m_nLogoCorner == TOP_RIGHT ? "top right ":
ndata->m_nLogoCorner == BOT_LEFT ? "bottom left ":
ndata->m_nLogoCorner == BOT_RIGHT ? "bottom right ": "unknown"
);
dsyslog("logo data:");
ndata->logCheckData();
dsyslog("logo data end");
INFO(NULL,"logo found");
return true;
}
}
iPart++;
} while( iAStartpos[iPart] >= 0);
end = time(NULL);
secsForLogoDetection = (int)(end - start);
decodedFramesForLogoDetection = totalDecodedFrames;
dsyslog("detectLogo: no Logo found, give up");
INFO(NULL,"no logo found!!");
return false;
}
#define FRAMESTOCHECK 10
int checkLogoState(int iState, int iCurrentFrame, int /*FramesToSkip*/, int FramesToCheck)
{
INFO(NULL,"checkLogoState");
int iLastIFrame = 0;
bool extLogoSearch = ndata->extLogoSearch;
ndata->extLogoSearch = false;
int flags = DEMUX_RESET;
dsyslog("checkLogoState for %d Frames starting at Frame %d",
FramesToCheck,iCurrentFrame);
noadCallback oldCallback = decoder->getCallback();
decoder->setCallback(checkCallback);
iCurrentFrame = cIF->GetNextIFrame( iCurrentFrame, true, &FileNumber, &FileOffset, &Length, true);
while( iCurrentFrame < cIF->Last() && iCurrentFrame >= 0 && FramesToCheck > 0 )
{
cIF->Get( iCurrentFrame, &FileNumber, &FileOffset, &Independent, &Length);
if( Independent == 1 /*I_FRAME*/ )
{
iLastIFrame = iCurrentFrame;
}
iCurrentDecodedFrame = iCurrentFrame;
checkedFrames = 0;
decoder->getNextPicture(iCurrentFrame, flags);
flags = 0;
if( iState != ndata->m_pCheckLogo->isLogo )
{
dsyslog("checkLogoState Logo lost, iLastIFrame is %d ", iLastIFrame);
ndata->extLogoSearch = extLogoSearch;
decoder->setCallback(oldCallback);
return( iLastIFrame );
}
iCurrentFrame ++;
FramesToCheck --;
}
decoder->setCallback(oldCallback);
ndata->extLogoSearch = extLogoSearch;
dsyslog("checkLogoState ends, iLastIFrame %d ", iLastIFrame);
return( 0 );
}
//#define CHANGE_SEARCH_BREAK FRAMESPERMIN*12
#define CHANGE_SEARCH_BREAK FRAMESPERMIN*15
int findLogoChange(int iState, int& iCurrentFrame,
int FramesToSkip, int repeatCheckframes)
{
INFO(NULL, "search Logo-change");
dsyslog("findLogoChange: iState %d, iCurrentFrame %d, iTotalFrames %d, FramesToSkip %d, repeatCheckframes=%d",
iState, iCurrentFrame, cIF->Last(), FramesToSkip, repeatCheckframes);
if(logoJumpDetection)
{
if( iState == 1 )
ndata->extLogoSearch = false;
else
ndata->extLogoSearch = true;
}
noadCallback oldCallback = decoder->getCallback();
decoder->setCallback(checkCallback);
int flags = DEMUX_RESET;
iCurrentFrame = getIFrameFor(cIF,iCurrentFrame);
iLastIFrame = iCurrentFrame;
int iEndFrame = iState == 0 ? iCurrentFrame+CHANGE_SEARCH_BREAK:cIF->Last();
Independent = 1; //I_FRAME
#ifdef VNOAD
bool bFirst = true;
#endif
iIgnoreFrames = 5;
while( iCurrentFrame < cIF->Last() && iCurrentFrame >= 0 && iCurrentFrame < iEndFrame )
{
checkedFrames = 0;
//iLastIFrame = iCurrentFrame;
while( checkedFrames < FRAMESTOCHECK && iCurrentFrame < cIF->Last() )
{
iCurrentDecodedFrame = iCurrentFrame;
decoder->getNextPicture(iCurrentFrame, flags);
flags = 0;
cIF->Get( iCurrentFrame, &FileNumber, &FileOffset, &Independent, &Length);
if( Independent == 1 /*I_FRAME*/ )
{
iLastIFrame = iCurrentFrame;
}
iCurrentFrame++;
}
#ifdef VNOAD
bFirst = false;
#endif
if( iState != ndata->m_pCheckLogo->isLogo )
{
dsyslog("StateChanged: iLastIFrame %d ", iLastIFrame);
if( repeatCheckframes > 0 )
{
// new found state must be stable over repeatCheckframes frames
int i = checkLogoState(ndata->m_pCheckLogo->isLogo, iCurrentFrame, framespersec*1, repeatCheckframes);
dsyslog("checkLogoState: i = %d",i);
if( i == 0 )
{
decoder->setCallback(oldCallback);
return( ndata->m_pCheckLogo->isLogo );
}
else
{
iCurrentFrame = i-FramesToSkip;
flags = DEMUX_RESET;
}
}
else
{
decoder->setCallback(oldCallback);
return( ndata->m_pCheckLogo->isLogo );
}
}
if( iCurrentFrame+FramesToSkip >= cIF->Last() )
{
decoder->setCallback(oldCallback);
return iState;
}
if( FramesToSkip > 1 )
{
iCurrentFrame += FramesToSkip;
iCurrentFrame = cIF->GetNextIFrame( iCurrentFrame, true, &FileNumber, &FileOffset, &Length, true);
iLastIFrame = iCurrentFrame;
Independent = 1;//I_FRAME;
flags = DEMUX_RESET;
iIgnoreFrames = 5;
}
}
decoder->setCallback(oldCallback);
if( iCurrentFrame >= iEndFrame )
return -2;
return( -1 );
}
void MarkToggle(cMarks *marks, int index, const char *Comment)
{
dsyslog( "ToggleMark: %d ", index);
cMark *m = marks->Get(index);
if (m)
{
dsyslog( "del Mark: %d ", m->position);
marks->Del(m);
}
else
{
dsyslog( "add Mark: %d ", index);
marks->Add(index);
if(markComments && Comment)
{
m = marks->Get(index);
if(m)
m->comment = strdup(Comment);
}
}
marks->Save();
bMarkChanged = true;
}
void moveMark( cMarks *marks, cMark *m, int iNewPos, const char *Comment)
{
char *cpOldPos, *cpNewPos, *newComment;
asprintf(&cpOldPos, "%s",(const char *)m->ToText(false,true));
asprintf(&cpNewPos, "%s",(const char *)IndexToHMSF(iNewPos, false));
asprintf(&newComment, Comment?Comment:"(%s)",(const char *)m->ToText(false,true) );
dsyslog( "moveMark from %d to %d (%s-->%s)",m->position, iNewPos, cpOldPos, cpNewPos );
marks->Del(m);
marks->Add(iNewPos);
cMark *mNew = marks->Get(iNewPos);
if(markComments && mNew && newComment)
mNew->comment = strdup(newComment);
marks->Save();
bMarkChanged = true;
free(cpOldPos);
free(cpNewPos);
free(newComment);
}
#define BACK_TIME 90
bool checkOnMark( cMarks *marks, cMark *m, bool bForward, int iCheckTime)
{
INFO(NULL, "checkOnMark");
dsyslog( "checkOnMark at %d",m->position );
int iDiff;
int iOffset = 0;
if( bForward )
{
if( m->position+iCheckTime*framespersec > cIF->Last() )
return false;
iDiff = framespersec;
iOffset = iCheckTime*framespersec;
}
else
{
if( m->position < iCheckTime*framespersec )
return false;
iDiff = -framespersec;
}
iDiff = -framespersec;
int index = cIF->GetNextIFrame( m->position+iOffset, true, &FileNumber, &FileOffset, &Length, true);
int flags = DEMUX_RESET;
ulTopBlackLines = 0;
ulBotBlackLines = 0;
checkedFrames = 0;
for( int i = 0; i < iCheckTime; i++ )
{
for( int ii = 0; ii < framespersec; ii++)
{
decoder->getNextPicture(index+ii, flags );
flags = 0;
if( ndata->m_nBlackLinesTop > ndata->m_nGrabHeight/2 ||
ndata->m_nBlackLinesBottom > ndata->m_nGrabHeight/2 )
{
int newIndex = cIF->GetNextIFrame( index, true, &FileNumber, &FileOffset, &Length, true);
if( newIndex > 0 )
{
dsyslog( "do moveMark from %d to %d ",index, newIndex );
moveMark( marks, m, newIndex, "moved from [%s] by checkOnMark");
}
return true;
}
}
index = cIF->GetNextIFrame( index+iDiff, true, &FileNumber, &FileOffset, &Length, true);
flags = DEMUX_RESET;
}
return false;
}
bool checkBlacklineOnMark( cMarks *marks, cMark *m, bool bForward, int iCheckTime, int iTopLines, int iBottomLines)
{
INFO(NULL, "checkBlacklineOnMark");
#define POS_OK (ndata->m_nBlackLinesTop >= iTopMin \
&& ndata->m_nBlackLinesTop <= iTopMax \
&& ndata->m_nBlackLinesBottom >= ibotmin \
&& ndata->m_nBlackLinesBottom <= ibotmax)
#define POS_NOT_OK (ndata->m_nBlackLinesTop < iTopMin \
|| ndata->m_nBlackLinesBottom < ibotmin)
#define POS_MAYBE_OK (ndata->m_nBlackLinesTop > iTopMin \
&& ndata->m_nBlackLinesBottom > ibotmin)
#define PRE_POS_OK (ndata->m_nBlackLinesTop >= iTopLines && ndata->m_nBlackLinesBottom >= iBottomLines)
#define PRE_POS_RESET (ndata->m_nBlackLinesTop + ndata->m_nBlackLinesBottom < (iTopLines+iBottomLines)-(((iTopLines+iBottomLines)*20)/100))
// MAX_BEST_POS_RESET_COUNT - Anzahl Frames mit POS_NOT_OK == true,
// nach denen iBestPos zurückgesetzt wird
// 20.9.03: geändert auf 25 (vorher 3) wegen RTL/The 6th Day
#define MAX_BEST_POS_RESET_COUNT 90
dsyslog( "checkBlacklineOnMark at %d %s %d %d for %d frames",m->position, bForward ? "forward":"backward",iTopLines, iBottomLines, iCheckTime );
int iDiff;
int iOffset = 0;
int iBestPos = 0;
int iBestPosResetCount = 0;
int iPrePos = 0;
int iPrePosResetCount = 0;
int iEnd = m->position;
int iTopMax = iTopLines + iTopLines*30/100;
int iTopMin = iTopLines - iTopLines*20/100;
int ibotmax = iBottomLines + iBottomLines*30/100;
int ibotmin = iBottomLines - iBottomLines*30/100;
dsyslog( "check-range top %d %d, bott %d %d",iTopMin,iTopMax,ibotmin,ibotmax );
iOffset = 0;//iCheckTime*FRAMESPERSEC;
if( bForward )
{
if( m->position+iCheckTime > cIF->Last() )
return false;
iDiff = framespersec;
iEnd = m->position+iCheckTime;
iBestPos = iPrePos = m->position;
}
else
{
if( m->position < iCheckTime )
return false;
iOffset = iCheckTime;
iOffset *= -1;
iDiff = framespersec;
}
int index = getIFrameFor(cIF,m->position+iOffset-1);
ulTopBlackLines = 0;
ulBotBlackLines = 0;
checkedFrames = 0;
int flags = DEMUX_RESET;
while( index < iEnd )
{
// get the next frame
iCurrentDecodedFrame = index;
ulTopBlackLines = 0;
ulBotBlackLines = 0;
decoder->getNextPicture(index,flags );
flags = 0;
if( iPrePos == 0 && PRE_POS_OK )
{
iPrePos = index;
iPrePosResetCount = 0;
dsyslog( "checkOnMark set prepos %d",iPrePos );
}
if( iPrePos != 0 && PRE_POS_RESET )
{
iPrePosResetCount++;
if(iPrePosResetCount > 3)
{
iPrePos = 0;
dsyslog( "checkOnMark preposreset at %d",index );
}
}
if( (iBestPos == 0) && (checkedFrames > 3) && POS_OK )
{
iBestPos = index;
dsyslog( "checkOnMark best pos = %d, prepos = %d",iBestPos, iPrePos );
iBestPosResetCount = 0;
}
else if( (iBestPos > 0) && (checkedFrames > 3) && POS_NOT_OK )
{
iBestPosResetCount++;
if(iBestPosResetCount > MAX_BEST_POS_RESET_COUNT)
{
dsyslog( "checkOnMark reset best pos to 0 at %d", index );
iBestPos = 0;
checkedFrames = 0;
}
}
++index;
}
dsyslog( "checkOnMark bestPos %d prepos %d",iBestPos,iPrePos );
if( (iBestPos == 0 || (iPrePos - iBestPos) < 200) && POS_MAYBE_OK && iPrePos > 0 )
{
iBestPos = iPrePos;
dsyslog( "checkOnMark use prepos to set newmark" );
}
if( iBestPos > 0 )
{
int newIndex = cIF->GetNextIFrame( iBestPos-1, true, &FileNumber, &FileOffset, &Length, true);
if( newIndex > 0 && newIndex != m->position)
{
dsyslog( "do moveMark from %d to %d, prepos = %d ",m->position, newIndex, iPrePos );
if(bForward)
moveMark( marks, m, newIndex,"moved from [%s] by checkBlacklineOnMark(forward)");
else
moveMark( marks, m, newIndex,"moved from [%s] by checkBlacklineOnMark(backward)");
return true;
}
if( newIndex == m->position)
{
dsyslog( "mark is on same position" );
if(!bForward)
return false;
}
}
return false;
#undef POS_OK
#undef POS_NOT_OK
#undef POS_MAYBE_OK
#undef PRE_POS_OK
#undef PRE_POS_RESET
}
bool checkBlacklineOffMark( cMarks *marks, cMark *m, int iCheckTime, int iTopLines, int iBottomLines)
{
INFO(NULL, "checkBlacklineOffMark");
#define POS_OK (ndata->m_nBlackLinesTop >= iTopMin \
&& ndata->m_nBlackLinesTop <= iTopMax \
&& ndata->m_nBlackLinesBottom >= ibotmin \
&& ndata->m_nBlackLinesBottom <= ibotmax)
#define POS_NOT_OK (ndata->m_nBlackLinesTop < iTopMin \
|| ndata->m_nBlackLinesBottom < ibotmin)
#define POS_MAYBE_OK (ndata->m_nBlackLinesTop > iTopMin \
&& ndata->m_nBlackLinesBottom > ibotmin)
#define PRE_POS_OK (ndata->m_nBlackLinesTop >= iTopLines && ndata->m_nBlackLinesBottom >= iBottomLines)
#define PRE_POS_RESET (ndata->m_nBlackLinesTop + ndata->m_nBlackLinesBottom < (iTopLines+iBottomLines)-(((iTopLines+iBottomLines)*20)/100))
dsyslog( "checkBlacklineOffMark at %d %d %d for %d frames",m->position, iTopLines, iBottomLines, iCheckTime );
int iDiff;
int iOffset = 0;
int iBestPos = 0;
int iPrePos = 0;
int iEnd = m->position;
int iTopMax = iTopLines + iTopLines*30/100;
int iTopMin = iTopLines - iTopLines*20/100;
int ibotmax = iBottomLines + iBottomLines*30/100;
int ibotmin = iBottomLines - iBottomLines*30/100;
int flags = DEMUX_RESET;
dsyslog( "check-range top %d %d, bott %d %d",iTopMin,iTopMax,ibotmin,ibotmax );
iOffset = 0;
if( m->position < iCheckTime )
return false;
iOffset = iCheckTime;
iOffset *= -1;
iDiff = framespersec;
int index = getIFrameFor(cIF,m->position+iOffset-1);
ulTopBlackLines = 0;
ulBotBlackLines = 0;
checkedFrames = 0;
while( index < iEnd )
{
// get the next frame
iCurrentDecodedFrame = index;
ulTopBlackLines = 0;
ulBotBlackLines = 0;
decoder->getNextPicture(index, flags );
flags = 0;
if( (checkedFrames > 3) && POS_OK )
{
iBestPos = index;
}
++index;
}
dsyslog( "checkOffMark bestPos %d prepos %d",iBestPos,iPrePos );
if( (iBestPos == 0 || (iPrePos - iBestPos) < 200) && POS_MAYBE_OK && iPrePos > 0 )
{
iBestPos = iPrePos;
dsyslog( "checkOffMark use prepos to set newmark" );
}
if( iBestPos > 0 )
{
int newIndex = cIF->GetNextIFrame( iBestPos-1, true, &FileNumber, &FileOffset, &Length, true);
if( newIndex > 0 && newIndex != m->position)
{
dsyslog( "do moveMark from %d to %d, prepos = %d ",m->position, newIndex, iPrePos );
moveMark( marks, m, newIndex, "moved from [%s] by checkBlacklineOffMark");
return true;
}
if( newIndex == m->position)
{
dsyslog( "mark is on same position" );
}
}
return false;
#undef POS_OK
#undef POS_NOT_OK
#undef POS_MAYBE_OK
#undef PRE_POS_OK
#undef PRE_POS_RESET
}
#define MONOFRAME_CUTOFF 65
bool checkBlackFrameOnMark( cMarks *marks, cMark *m, bool bForward, int iCheckTime )
{
INFO(NULL, "checkBlackFrameOnMark");
int iOffset = 0;
int iBestPos = 0;
int iEnd = m->position;
bool bPosReset = true;
if( bForward )
{
if( m->position+iCheckTime*framespersec > cIF->Last() )
return false;
iEnd = m->position+iCheckTime*framespersec;
// don't walk over the next mark! (0.4.2)
cMark *mnext = marks->GetNext(m->position);
if( mnext != NULL && iEnd > mnext->position )
iEnd = mnext->position;
}
else
{
if( m->position < iCheckTime*framespersec )
return false;
iOffset = iCheckTime*framespersec;
iOffset *= -1;
}
int index = getIFrameFor(cIF, m->position+iOffset-1);
ulTopBlackLines = 0;
ulBotBlackLines = 0;
checkedFrames = 0;
noadCallback oldCallback = decoder->getCallback();
decoder->setCallback(BlackframeCallback);
int flags = DEMUX_RESET;
dsyslog( "checkBlackFrameOnMark at %d %s (frames %d --> %hhn)",m->position, bForward ? "forward":"backward",index,end );
while( index < iEnd )
{
iCurrentDecodedFrame = index;
ulTopBlackLines = 0;
ulBotBlackLines = 0;
decoder->getNextPicture(index, flags );
flags = 0;
if( bPosReset && ndata->isBlankFrame() )
{
dsyslog( "set iBestPos to %d",index);
iBestPos = index;
bPosReset = false;
}
if( !ndata->isBlankFrame() )
bPosReset = true;
index++;
}
decoder->setCallback(oldCallback);
if( iBestPos > 0 )
{
int newIndex = cIF->GetNextIFrame( iBestPos-1, true, &FileNumber, &FileOffset, &Length, true);
if( newIndex > 0 && newIndex < iEnd)
{
dsyslog( "do moveMark from %d to %d ",m->position, newIndex );
moveMark( marks, m, newIndex, "moved from[%s] by checkBlackFrameOnMark");
listMarks( marks);
}