/*
 * markad-standalone.cpp: A program for the Video Disk Recorder
 *
 * See the README file for copyright information and how to reach the author.
 *
 */

#include <syslog.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <getopt.h>
#include <signal.h>
#include <ctype.h>
#include <netdb.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/resource.h>
#include <sys/wait.h>
#include <pthread.h>
#include <poll.h>
#include <locale.h>
#include <libintl.h>
#include <execinfo.h>
#include <errno.h>

#include "markad-standalone.h"
#include "version.h"

bool SYSLOG=false;
cMarkAdStandalone *cmasta=NULL;
int SysLogLevel=2;

void syslog_with_tid(int priority, const char *format, ...)
{
    va_list ap;
    if (SYSLOG)
    {
        char fmt[255];
        snprintf(fmt, sizeof(fmt), "[%d] %s", getpid(), format);
        va_start(ap, format);
        vsyslog(priority, fmt, ap);
        va_end(ap);
    }
    else
    {
        char fmt[255];
        snprintf(fmt, sizeof(fmt), "markad: [%d] %s", getpid(), format);
        va_start(ap, format);
        vprintf(fmt,ap);
        va_end(ap);
        printf("\n");
        fflush(stdout);
    }
}

cOSDMessage::cOSDMessage(const char *Host, int Port)
{
    tid=0;
    msg=NULL;
    host=strdup(Host);
    port=Port;
}

cOSDMessage::~cOSDMessage()
{
    if (tid) pthread_join(tid,NULL);
    if (msg) free(msg);
    if (host) free((void*) host);
}

bool cOSDMessage::readreply(int fd)
{
    usleep(400000);
    char c=' ';
    do
    {
        struct pollfd fds;
        fds.fd=fd;
        fds.events=POLLIN;
        fds.revents=0;
        int ret=poll(&fds,1,600);

        if (ret<=0) return false;
        if (fds.revents!=POLLIN) return false;
        if (read(fd,&c,1)<0) return false;
    }
    while (c!='\n');
    return true;
}

void *cOSDMessage::send(void *posd)
{
    cOSDMessage *osd=(cOSDMessage *) posd;

    struct hostent *host=gethostbyname(osd->host);
    if (!host)
    {
        osd->tid=0;
        return NULL;
    }

    struct sockaddr_in name;
    name.sin_family = AF_INET;
    name.sin_port = htons(osd->port);
    memcpy(&name.sin_addr.s_addr,host->h_addr,sizeof(host->h_addr));
    uint size = sizeof(name);

    int sock;
    sock=socket(PF_INET, SOCK_STREAM, 0);
    if (sock<0) return NULL;

    if (connect(sock, (struct sockaddr *)&name,size)!=0)
    {
        close(sock);
        return NULL;
    }

    if (!osd->readreply(sock))
    {
        close(sock);
        return NULL;
    }

    ssize_t ret;
    ret=write(sock,"MESG ",5);
    ret=write(sock,osd->msg,strlen(osd->msg));
    ret=write(sock,"\r\n",2);

    if (!osd->readreply(sock))
    {
        close(sock);
        return NULL;
    }

    ret=write(sock,"QUIT\r\n",6);

    osd->readreply(sock);
    close(sock);
    return NULL;
}

int cOSDMessage::Send(const char *format, ...)
{
    if (tid) pthread_join(tid,NULL);
    if (msg) free(msg);
    va_list ap;
    va_start(ap, format);
    if (vasprintf(&msg,format,ap)==-1) return -1;
    va_end(ap);

    if (pthread_create(&tid,NULL,(void *(*) (void *))&send, (void *) this)!=0) return -1;
    return 0;
}

void cMarkAdStandalone::CalculateStopPosition(int startframe)
{
    int len_in_frames=macontext.Info.Length*macontext.Video.Info.FramesPerSecond;
    iStop=-(startframe+len_in_frames);
    chkLEFT=startframe+180;
    chkRIGHT=startframe+(len_in_frames*2/3);
    dsyslog("new stop position (%i)",-iStop);
}

void cMarkAdStandalone::AddStartMark()
{
    char *buf;
    if (asprintf(&buf,"start of recording (0)")!=-1)
    {
        marks.Add(MT_COMMON,0,buf);
        isyslog("%s",buf);
        free(buf);
    }

    if (macontext.Info.Length)
    {
        chkLEFT=(int) ((macontext.Video.Info.FramesPerSecond*macontext.Info.Length)/3);
        chkRIGHT=(int) ((macontext.Video.Info.FramesPerSecond*macontext.Info.Length)*2/3);

        if (tStart)
        {
            iStart=-(tStart*macontext.Video.Info.FramesPerSecond);
            CalculateStopPosition(-iStart);
        }
    }
}

void cMarkAdStandalone::CheckStartStop(int lastiframe)
{
    MarkAdMark mark;
    char *buf;

    if ((iStart<0) && (lastiframe>-iStart))
    {
        iStart=lastiframe;
        if (asprintf(&buf,"assumed start of broadcast (%i)",iStart)!=-1)
        {
            /* if the last mark is an aspectratio-/channel-/borderchange mark,
              then use this mark if the distance is below 5 Minutes */
            clMark *last=marks.GetPrev(iStart,MT_START,0xF);
            if ((last) && (last->type!=MT_LOGOSTART))
            {
                int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*360);
                if (iStart-last->position<=MINMARKDIFF)
                {
                    isyslog(buf);
                    isyslog("using mark in \"long\" distance instead of assumed start mark (%i->%i)",
                            last->position,iStart);
                    // calculate new stop position based on new start
                    CalculateStopPosition(last->position);
                    iStart=0;
                    // delete all marks till now
                    marks.DelTill(last->position);
                    free(buf);
                    return;
                }
            }

            mark.Type=MT_COMMONSTART;
            mark.Position=iStart;
            mark.Comment=buf;
            AddMark(&mark);
            free(buf);
        }
    }
    if ((iStop<0) && (lastiframe>-iStop))
    {
        iStop=lastiframe;
        if (asprintf(&buf,"assumed stop of broadcast (%i)",iStop)!=-1)
        {
            mark.Type=MT_COMMONSTOP;
            mark.Position=iStop;
            mark.Comment=buf;
            AddMark(&mark);
            free(buf);
        }
    }
}

void cMarkAdStandalone::CheckLogoMarks()
{
    clMark *mark=marks.GetFirst();
    while (mark)
    {
        if ((mark->type==MT_LOGOSTOP) && mark->Next() && mark->Next()->type==MT_LOGOSTART)
        {
            int MARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*55);
            if (abs(mark->Next()->position-mark->position)<=MARKDIFF)
            {
                double distance=(mark->Next()->position-mark->position)/
                                macontext.Video.Info.FramesPerSecond;
                isyslog("logo distance too short (%.1fs), deleting (%i,%i)",distance,
                        mark->position,mark->Next()->position);
                clMark *tmp=mark;
                mark=mark->Next()->Next();
                marks.Del(tmp->Next());
                marks.Del(tmp);
                continue;
            }
        }
        mark=mark->Next();
    }
}

void cMarkAdStandalone::CheckLastMark()
{
    if (marks.Count()<=2) return; // just two marks -> do nothing
    clMark *last=marks.GetLast();
    if (!last) return;

    clMark *nexttolast=last->Prev();
    if (!nexttolast) return;

    if ((last->type & 0xF)==(nexttolast->type & 0xF))
    {
        isyslog("removing double stop mark (%i)",last->position);
        marks.Del(last);
        return;
    }
}

void cMarkAdStandalone::CheckFirstMark()
{
    if (marksAligned) return;
    clMark *first=marks.GetFirst();
    if (!first) return;

    // Check the second mark
    clMark *second=first->Next();
    if (!second) return;

    // if first and second mark is ASPECT/BORDER
    // wait till its clear, if we use ASPECT
    // or BORDER
    int ft=first->type & 0xF0;
    int st=second->type & 0xF0;
    if (((ft==MT_BORDERCHANGE) && (st==MT_ASPECTCHANGE)) ||
            ((st==MT_BORDERCHANGE) && (ft==MT_ASPECTCHANGE))) return;

    if ((second->type & 0xF)==MT_START)
    {
        bool delsec=false;
        clMark *third=second->Next();
        if (third)
        {
            if ((third->type & 0xF)==MT_START) delsec=true;
        }
        if (delsec)
        {
            isyslog("removing double start marks (%i,%i)",first->position,second->position);
            marks.Del(second);
        }
        else
        {
            isyslog("removing double start mark (%i)",first->position);
        }
        marks.Del(first);
        marksAligned=true;
        return;
    }

    if ((second->type & 0xF)==MT_STOP)
    {
        marksAligned=true;
        return;
    }

    // If we have an aspectchange, check the next aspectchange mark
    // and the difference between
    if ((second->type==MT_ASPECTCHANGE) && (macontext.Info.Length))
    {
        clMark *next=marks.GetNext(second->position,MT_ASPECTCHANGE);
        if (next)
        {
            int maxlen=macontext.Info.Length*(13*60)/(90*60); // max 13 minutes ads on 90 minutes program
            if (maxlen>(13*60)) maxlen=(13*60); // maximum ad block = 13 minutes
            int MAXPOSDIFF=(int) (macontext.Video.Info.FramesPerSecond*maxlen);
            if ((next->position-second->position)>MAXPOSDIFF)
            {
                clMark *first=marks.GetFirst();
                if (first)
                {
                    isyslog("removing unaligned start mark (%i)",first->position);
                    marks.Del(first);
                    marksAligned=true;
                    return;
                }
            }
        }
    }
    return;
}

void cMarkAdStandalone::CheckInfoAspectRatio()
{
    if (aspectChecked) return;

    bool aSet=false;
    if (!macontext.Info.AspectRatio.Num)
    {
        isyslog("assuming aspect ratio of %i:%i",
                macontext.Video.Info.AspectRatio.Num,macontext.Video.Info.AspectRatio.Den);
        aSet=true;
    }
    else
    {
        if ((macontext.Info.AspectRatio.Num!=macontext.Video.Info.AspectRatio.Num) &&
                (macontext.Info.AspectRatio.Den!=macontext.Video.Info.AspectRatio.Den))
        {
            isyslog("aspectratio in info wrong %i:%i instead of %i:%i",
                    macontext.Video.Info.AspectRatio.Num,macontext.Video.Info.AspectRatio.Den,
                    macontext.Info.AspectRatio.Num,macontext.Info.AspectRatio.Den);
            aSet=true;
        }
    }

    if (aSet)
    {
        macontext.Info.AspectRatio.Num=macontext.Video.Info.AspectRatio.Num;
        macontext.Info.AspectRatio.Den=macontext.Video.Info.AspectRatio.Den;

        if ((macontext.Info.AspectRatio.Num==16) &&
                (macontext.Info.AspectRatio.Den==9))
        {
            macontext.Video.Options.IgnoreAspectRatio=true;
            setVideo169=true;
            setVideo43=false;
        }

        if ((macontext.Info.AspectRatio.Num==4) &&
                (macontext.Info.AspectRatio.Den==3))
        {
            setVideo43=true;
            setVideo169=false;
        }
        reprocess=true;
    }

    aspectChecked=true;
    return;
}

void cMarkAdStandalone::AddMark(MarkAdMark *Mark)
{
    if (!Mark) return;
    if (!Mark->Type) return;
    if (!macontext.Video.Info.FramesPerSecond) return;

    bool loggedAlready=false;

    clMark *old=marks.Get(Mark->Position);
    if ((old) && (((old->type & 0xF0)==MT_ASPECTCHANGE) || ((old->type & 0xF0)==MT_CHANNELCHANGE)))
    {
        // Aspect- / Channelchange wins over Logo/Border
        return;
    }

    if ((iStart>0) || (iStop>0))
    {
        clMark *last=NULL;
        int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*180);
        if (iStart>0)
        {
            if (abs(Mark->Position-iStart)<=MINMARKDIFF)
            {
                if ((Mark->Type & 0x0F)==MT_START)
                {
                    last=marks.GetPrev(Mark->Position,MT_START,0xF);
                    if (!last) last=marks.GetPrev(Mark->Position,MT_ASPECTCHANGE);
                    if ((last) && (abs(last->position-iStart)>MINMARKDIFF)) last=NULL;
                }
            }
            else
            {
                int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*360);
                last=marks.GetPrev(iStart);
                if ((last) && (abs(last->position-iStart)>MINMARKDIFF)) last=NULL;
                if ((last) && (last->type==MT_LOGOSTART))
                {
                    isyslog("using mark in \"long\" distance instead of assumed start mark (%i->%i)",
                            last->position,iStart);
                    // calculate new stop position based on new start
                    CalculateStopPosition(last->position);
                    // delete all marks till now
                    marks.DelTill(last->position);
                    // delete assumed start mark
                    marks.Del(iStart);
                    last=NULL;
                }
                else
                {
                    dsyslog("no other start mark found, removing marks till now (%i)",iStart);
                    // calculate new stop position based on new start
                    CalculateStopPosition(iStart);
                    marks.DelTill(iStart);
                }
                iStart=0;
            }
        }

        if (iStop>0)
        {
            if (abs(Mark->Position-iStop)<=(2*MINMARKDIFF))
            {
                if ((Mark->Type & 0x0F)==MT_STOP)
                {
                    last=marks.GetPrev(Mark->Position,MT_STOP,0xF);
                    if (!last) last=marks.GetPrev(Mark->Position,MT_ASPECTCHANGE);
                    if ((last) && (abs(last->position-iStop)>MINMARKDIFF)) last=NULL;
                }
                else
                {
                    // ignore mark
                    return;
                }
            }
            else
            {
                if (!bGenIndex) fastexit=true;
                return;
            }
        }

        if (last)
        {
            if (Mark->Comment) isyslog("%s",Mark->Comment);

            if ((last->type==MT_COMMONSTART) || (last->type==MT_COMMONSTOP))
            {
                isyslog("using this mark instead of assumed %s mark in \"short\" distance (%i->%i)",
                        (last->type==MT_COMMONSTART) ? "start" : "stop",
                        Mark->Position,last->position);

                switch (Mark->Type & 0xF)
                {
                case MT_START:
                    marks.DelAll();
                    // calculate new stop position based on new start
                    CalculateStopPosition(Mark->Position);
                    iStart=0;
                    break;
                case MT_STOP:
                    marks.Del(last);
                    iStop=0;
                    if (!bGenIndex) fastexit=true;
                    break;
                default:
                    esyslog("please report this! *1");
                    break;
                }
                loggedAlready=true;
            }
            else
            {
                if (last->type==MT_ASPECTCHANGE)
                {
                    isyslog("aspectratio change in \"short\" distance, using this mark instead (%i->%i)",
                            last->position,Mark->Position);
                }
                else
                {
                    isyslog("%s mark in \"short\" distance, using this mark instead (%i->%i)",
                            ((last->type & 0xF)==MT_START) ? "start" : "stop",
                            last->position,Mark->Position);
                }
                switch (Mark->Type & 0xF)
                {
                case MT_START:
                    marks.DelTill(last->position);
                    // calculate new stop position based on new start
                    CalculateStopPosition(last->position);
                    iStart=0;
                    break;
                case MT_STOP:
                    marks.DelTill(last->position,false);
                    iStop=0;
                    if (!bGenIndex) fastexit=true;
                    break;
                default:
                    esyslog("please report this! *2");
                    break;
                }
                return;
            }
        }
    }

    if (Mark->Type==MT_ASPECTSTOP)
    {
        // check if last mark is an stop mark in short distance
        clMark *prev=marks.GetLast();
        if ((prev) && ((prev->type & 0xF)==MT_STOP))
        {
            int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*15);
            if ((Mark->Position-prev->position)<MINMARKDIFF)
            {
                if (Mark->Comment) isyslog("%s",Mark->Comment);
                isyslog("double stop mark in short distance, deleting this mark (%i)",prev->position);
                marks.Del(prev);
                loggedAlready=true;
            }
        }
    }

    if (Mark->Type==MT_LOGOSTOP)
    {
        // check if last mark is an audiochannel stop
        clMark *prev=marks.GetLast();
        if ((prev) && (prev->type==MT_CHANNELSTOP))
        {
            int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*15);
            if ((Mark->Position-prev->position)<MINMARKDIFF)
            {
                if (Mark->Comment) isyslog("%s",Mark->Comment);
                isyslog("audiochannel change in short distance, using this mark (%i->%i)",Mark->Position,prev->position);
                return;
            }
        }

        prev=marks.GetPrev(Mark->Position,MT_LOGOSTART);
        if (prev)
        {
            int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*240);
            if ((Mark->Position-prev->position)<MINMARKDIFF)
            {
                if (Mark->Comment) isyslog("%s",Mark->Comment);
                double distance=(Mark->Position-prev->position)/macontext.Video.Info.FramesPerSecond;
                isyslog("logo distance too short (%.1fs), deleting (%i,%i)",distance,
                        prev->position,Mark->Position);
                marks.Del(prev);
                return;
            }
        }
    }

    if (Mark->Type==MT_LOGOSTART)
    {
        // check if last mark is an aspectratio change
        clMark *prev=marks.GetLast();
        if (prev)
        {
            if ((prev->type & 0xF0)==MT_ASPECTCHANGE)
            {
                int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*5);
                if ((Mark->Position-prev->position)<MINMARKDIFF)
                {
                    if (Mark->Comment) isyslog("%s",Mark->Comment);
                    isyslog("aspectratio change in short distance, deleting this mark (%i)",Mark->Position);
                    return;
                }
            }

            if (prev->type==MT_CHANNELSTART)
            {
                int MINMARKDIFF=(int) (macontext.Video.Info.FramesPerSecond*5);
                if ((Mark->Position-prev->position)<MINMARKDIFF)
                {
                    if (Mark->Comment) isyslog("%s",Mark->Comment);
                    isyslog("audiochannel change in short distance, deleting this mark (%i)",Mark->Position);
                    return;
                }
            }
        }
    }

    if (macontext.Info.Length>0)
    {
        if (((Mark->Type & 0xF0)==MT_BORDERCHANGE) && (Mark->Position>chkLEFT) &&
                (!macontext.Video.Options.IgnoreLogoDetection))
        {
            if (Mark->Comment)
            {
                isyslog("%s",Mark->Comment);
                loggedAlready=true;
            }
            isyslog("border changes detected. logo detection disabled");
            macontext.Video.Options.IgnoreLogoDetection=true;
            marks.Del((uchar) MT_LOGOSTART);
            marks.Del((uchar) MT_LOGOSTOP);
        }

        if ((((Mark->Type & 0xF0)==MT_CHANNELCHANGE) || ((Mark->Type & 0xF0)==MT_ASPECTCHANGE)) &&
                (Mark->Position>chkLEFT) && (Mark->Position<chkRIGHT) && (bDecodeVideo))
        {

            if (Mark->Comment)
            {
                isyslog("%s",Mark->Comment);
                loggedAlready=true;
            }
            isyslog("%s changes detected. logo/border detection disabled",
                    (Mark->Type & 0xF0)==MT_ASPECTCHANGE ? "aspectratio" : "audio channel");

            if ((!macontext.Info.AspectRatio.Num) && ((Mark->Type & 0xF0)==MT_ASPECTCHANGE))
            {
                isyslog("assuming broadcast aspectratio is 4:3");
                macontext.Info.AspectRatio.Num=4;
                macontext.Info.AspectRatio.Den=3;
                reprocess=true;
                setVideo43=true;
            }

            if ((bDecodeVideo) && ((Mark->Type & 0xF0)==MT_CHANNELCHANGE))
            {
                isyslog("assuming broadcast with DolbyDigital5.1");
                if (macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H262)
                {
                    if (!macontext.Info.AspectRatio.Num)
                    {
                        isyslog("assuming broadcast aspectratio is 16:9");
                        macontext.Info.AspectRatio.Num=16;
                        macontext.Info.AspectRatio.Den=9;
                        macontext.Video.Options.IgnoreAspectRatio=true;
                    }
                }
                setAudio51=true;
                setAudio20=false;
                reprocess=true;
            }

            bDecodeVideo=false;
            macontext.Video.Data.Valid=false;
            marks.Del((uchar) MT_LOGOSTART);
            marks.Del((uchar) MT_LOGOSTOP);
            marks.Del((uchar) MT_BORDERSTART);
            marks.Del((uchar) MT_BORDERSTOP);
        }
    }
    if (Mark->Position>chkLEFT) CheckFirstMark();

    if ((Mark->Comment) && (!loggedAlready)) isyslog("%s",Mark->Comment);
    marks.Add(Mark->Type,Mark->Position,Mark->Comment);
}

void cMarkAdStandalone::SaveFrame(int frame)
{
    if (!macontext.Video.Info.Width) return;
    if (!macontext.Video.Data.Valid) return;

    FILE *pFile;
    char szFilename[256];

    // Open file
    sprintf(szFilename, "/tmp/frame%06d.pgm", frame);
    pFile=fopen(szFilename, "wb");
    if (pFile==NULL)
        return;

    // Write header
    fprintf(pFile, "P5\n%d %d\n255\n", macontext.Video.Data.PlaneLinesize[0],
            macontext.Video.Info.Height);

    // Write pixel data
    if (fwrite(macontext.Video.Data.Plane[0],1,
               macontext.Video.Data.PlaneLinesize[0]*macontext.Video.Info.Height,pFile)) {};
    // Close file
    fclose(pFile);
}

void cMarkAdStandalone::CheckBroadcastLength()
{
    if (macontext.Info.Length) return;
    if (!macontext.Video.Info.FramesPerSecond) return;
    /* get broadcastlength from length of indexFile */
    int tframecnt=1;
    int iIndexError;
    marks.CheckIndex(directory,isTS,&tframecnt,&iIndexError);
    macontext.Info.Length=tframecnt/macontext.Video.Info.FramesPerSecond;
    isyslog("got broadcast length of %im from index",macontext.Info.Length/60);
    reprocess=true;
}

bool cMarkAdStandalone::CheckIndexGrowing()
{
    // Here we check if the index is more
    // advanced than our framecounter.
    // If not we wait. If we wait too much,
    // we discard this check...

#define WAITTIME 10

    if (!indexFile) return false;
    if (sleepcnt>=2) return false; // we already slept too much

    bool notenough=true;
    do
    {
        struct stat statbuf;
        if (stat(indexFile,&statbuf)==-1) return false;

        int maxframes=statbuf.st_size/8;
        if (maxframes<(framecnt+200))
        {
            if ((difftime(time(NULL),statbuf.st_mtime))>=10) return false; // "old" file
            marks.Save(directory,macontext.Video.Info.FramesPerSecond,isTS);
            sleep(WAITTIME); // now we sleep and hopefully the index will grow
            waittime+=WAITTIME;
            if (errno==EINTR) return false;
            sleepcnt++;
            if (sleepcnt>=2)
            {
                esyslog("no new data after %i seconds, skipping wait!",
                        sleepcnt*WAITTIME);
                notenough=false; // something went wrong?
            }
        }
        else
        {
            sleepcnt=0;
            notenough=false;
        }
    }
    while (notenough);
    if (!sleepcnt) return true;
    else return false;
}

void cMarkAdStandalone::ChangeMarks(clMark **Mark1, clMark **Mark2, MarkAdPos *NewPos)
{
    if (!NewPos) return;
    if (!Mark1) return;
    if (!*Mark1) return;
    bool save=false;

    if ((*Mark1)->position!=NewPos->FrameNumberBefore)
    {
        marks.Del(*Mark1);
        *Mark1=marks.Add(MT_COMMON,NewPos->FrameNumberBefore,NewPos->CommentBefore);
        save=true;
    }
    if (NewPos->CommentBefore) isyslog("%s",NewPos->CommentBefore);

    if (Mark2 && (*Mark2) && (*Mark2)->position!=NewPos->FrameNumberAfter)
    {
        marks.Del(*Mark2);
        *Mark2=marks.Add(MT_COMMON,NewPos->FrameNumberAfter,NewPos->CommentAfter);
        if (NewPos->CommentAfter) isyslog("%s",NewPos->CommentAfter);
        save=true;
    }
    if (save) marks.Save(directory,macontext.Video.Info.FramesPerSecond,isTS,true);
}

bool cMarkAdStandalone::ProcessFile2ndPass(clMark **Mark1, clMark **Mark2,int Number, off_t Offset,
        int Frame, int Frames)
{
    if (!directory) return false;
    if (!Number) return false;
    if (!Frames) return false;
    if (!decoder) return false;
    if (!Mark1) return false;
    if (!*Mark1) return false;

    int pn; // process number 1=start mark, 2=before mark, 3=after mark
    if (Mark1 && Mark2)
    {
        if (!(*Mark1) || !(*Mark2)) return false;
        if (*Mark1==*Mark2) pn=1;
        if (*Mark1!=*Mark2) pn=3;
    }
    else
    {
        pn=2;
    }

    if (!Reset(false))
    {
        // reset all, but marks
        esyslog("failed resetting state");
        return false;
    }
    iframe=Frame;
    int actframe=Frame;
    int framecounter=0;

    MarkAdPos *pos=NULL;

    while (framecounter<Frames)
    {
        if (abort) return false;

        const int datalen=319976;
        uchar data[datalen];

        char *fbuf;
        if (isTS)
        {
            if (asprintf(&fbuf,"%s/%05i.ts",directory,Number)==-1) return false;
        }
        else
        {
            if (asprintf(&fbuf,"%s/%03i.vdr",directory,Number)==-1) return false;
        }

        int f=open(fbuf,O_RDONLY);
        free(fbuf);
        if (f==-1) return false;

        int dataread;
        if (pn==1)
        {
            dsyslog("processing file %05i (start mark)",Number);
        }
        else
        {
            dsyslog("processing file %05i %s",Number,(pn==3) ? "(after mark)" : "(before mark)");
        }

        if (lseek(f,Offset,SEEK_SET)!=Offset)
        {
            close(f);
            return false;
        }

        uint64_t offset=Offset;
        int offset_add=0;
        while ((dataread=read(f,data,datalen))>0)
        {
            if (abort) break;

            if ((video_demux) && (video) && (decoder) && (streaminfo))
            {
                uchar *tspkt = data;
                int tslen = dataread;

                while (tslen>0)
                {
                    int len=video_demux->Process(macontext.Info.VPid,tspkt,tslen,&vpkt);
                    if (len<0)
                    {
                        esyslog("error demuxing video");
                        abort=true;
                        break;
                    }
                    else
                    {
                        if (vpkt.Data)
                        {
                            bool dRes=false;
                            if (streaminfo->FindVideoInfos(&macontext,vpkt.Data,vpkt.Length))
                            {
                                actframe++;
                                framecnt2++;

                                if (macontext.Video.Info.Pict_Type==MA_I_TYPE)
                                {
                                    lastiframe=iframe;
                                    lastiframetime=iframetime;
                                    if (macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H264)
                                    {
                                        iframe=actframe;
                                    }
                                    else
                                    {
                                        iframe=actframe-1;
                                    }
                                    iframetime=vpkt.Timestamp;
                                    dRes=true;
                                }
                            }
                            if (pn>1) dRes=decoder->DecodeVideo(&macontext,vpkt.Data,vpkt.Length);
                            if (dRes)
                            {
                                if ((actframe-iframe)<=3)
                                {
                                    if (pn>1) pos=video->Process2ndPass(lastiframe,Frames,(pn==2));
                                    //SaveFrame(lastiframe);
                                    framecounter++;
                                }
                                if ((pos) && (pn==3))
                                {
                                    // found overlap
                                    ChangeMarks(Mark1,Mark2,pos);
                                    close(f);
                                    return true;
                                }
                            }
                        }
                        tspkt+=len;
                        tslen-=len;
                        if (!vpkt.Offcnt)
                        {
                            offset_add+=len;
                        }
                        else
                        {
                            offset+=offset_add;
                            offset+=len;
                            offset_add=0;
                        }
                    }
                }
            }

            if ((mp2_demux) && (audio) && (pn!=3))
            {
                uchar *tspkt = data;
                int tslen = dataread;

                while (tslen>0)
                {
                    int len=mp2_demux->Process(macontext.Info.APid,tspkt,tslen,&apkt);
                    if (len<0)
                    {
                        esyslog("error demuxing mp2-audio");
                        break;
                    }
                    else
                    {
                        if (apkt.Data)
                        {
                            if (apkt.Timestamp) audiotime=apkt.Timestamp;

                            if (abs(audiotime-lastiframetime)<DELTATIME)
                            {
                                if (decoder->DecodeMP2(&macontext,apkt.Data,apkt.Length))
                                {
                                    pos=audio->Process2ndPass(iframe);
                                    if (pos) ChangeMarks(Mark1,NULL,pos);
                                }
                            }
                        }
                        tspkt+=len;
                        tslen-=len;
                    }
                }
            }

            if (abort)
            {
                close(f);
                return false;
            }

            if (framecounter>Frames)
            {
                break;
            }

        }
        close(f);
        Number++;
        Offset=0;
    }
    return true;
}

void cMarkAdStandalone::Process2ndPass()
{
    if (abort) return;
    if (duplicate) return;
    if (!decoder) return;

    if (!macontext.Video.Info.FramesPerSecond)
        macontext.Video.Info.FramesPerSecond=25;

    if (!marks.Count())
    {
        marks.Load(directory,macontext.Video.Info.FramesPerSecond,isTS);
    }

    bool infoheader=false;
    clMark *p1=NULL,*p2=NULL;

    p1=marks.GetFirst();
    if (p1->position>0)
    {
        isyslog("2nd pass");
        infoheader=true;
        off_t offset;
        int number,frame,iframes;
        int frange=macontext.Video.Info.FramesPerSecond*120;

        if (marks.ReadIndex(directory,isTS,p1->position-(frange/10),frange,&number,&offset,&frame,&iframes))
        {
            ProcessFile2ndPass(&p1,&p1,number,offset,frame,iframes);
        }
    }

    if (marks.Count()<4) return; // here we cannot do much

    p1=p1->Next();
    if (p1) p2=p1->Next();

    while ((p1) && (p2))
    {
        if (!infoheader)
        {
            isyslog("2nd pass");
            infoheader=true;
        }
        off_t offset;
        int number,frame,iframes;
        int frange=macontext.Video.Info.FramesPerSecond*120; // 40s + 80s

        if (marks.ReadIndex(directory,isTS,p1->position-frange,frange,&number,&offset,&frame,&iframes))
        {
            if (!ProcessFile2ndPass(&p1,NULL,number,offset,frame,iframes)) break;

            frange=macontext.Video.Info.FramesPerSecond*320; // 160s + 160s
            if (marks.ReadIndex(directory,isTS,p2->position,frange,&number,&offset,&frame,&iframes))
            {
                if (!ProcessFile2ndPass(&p1,&p2,number,offset,frame,iframes)) break;
            }
        }

        p1=p2->Next();
        if (p1)
        {
            p2=p1->Next();
        }
        else
        {
            p2=NULL;
        }
    }
}

char *cMarkAdStandalone::Timestamp2HMS(unsigned int Timestamp)
{
    double val=(double) Timestamp/90000;
    int h,m;
    double s_ns;
    h=(int) val/3600;
    m=(int) (val-(3600*h))/60;
    s_ns=val-(h*3600+m*60);
    static char buf[20];
    sprintf(buf,"%02d:%02d:%06.4f",h,m,s_ns);
    return (char *) &buf;
}

bool cMarkAdStandalone::ProcessFile(int Number)
{
    if (!directory) return false;
    if (!Number) return false;

    if (!CheckIndexGrowing()) CheckBroadcastLength();

    if (abort) return false;

    //const int datalen=8272;
    const int datalen=319976;
    uchar data[datalen];

    char *fbuf;
    if (isTS)
    {
        if (asprintf(&fbuf,"%s/%05i.ts",directory,Number)==-1) return false;
    }
    else
    {
        if (asprintf(&fbuf,"%s/%03i.vdr",directory,Number)==-1) return false;
    }

    int f=open(fbuf,O_RDONLY);
    free(fbuf);
    if (f==-1) return false;

    int dataread;
    dsyslog("processing file %05i",Number);

    uint64_t offset=0;
    int offset_add=0;
    while ((dataread=read(f,data,datalen))>0)
    {
        if (abort) break;
        MarkAdMark *mark=NULL;

        if ((video_demux) && (video) && (streaminfo))
        {
            uchar *tspkt = data;
            int tslen = dataread;

            while (tslen>0)
            {
                int len=video_demux->Process(macontext.Info.VPid,tspkt,tslen,&vpkt);
                if (len<0)
                {
                    esyslog("error demuxing video");
                    abort=true;
                    break;
                }
                else
                {
                    if (vpkt.Data)
                    {
                        bool dRes=false;
                        if (streaminfo->FindVideoInfos(&macontext,vpkt.Data,vpkt.Length))
                        {
                            if ((macontext.Video.Info.Height) && (!noticeHEADER))
                            {
                                isyslog("%s %i%c",(macontext.Video.Info.Height>576) ? "HDTV" : "SDTV",
                                        macontext.Video.Info.Height,
                                        macontext.Video.Info.Interlaced ? 'i' : 'p');
                                noticeHEADER=true;
                            }

                            if (!framecnt)
                            {
                                AddStartMark();
                                nextPictType=MA_I_TYPE;
                            }

                            if (bGenIndex)
                            {
                                if ((macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H262) ||
                                        ((macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H264) &&
                                         (!macontext.Video.Info.Interlaced)))
                                {
                                    nextPictType=macontext.Video.Info.Pict_Type;
                                }
                                marks.WriteIndex(directory,isTS,offset,nextPictType,Number);
                            }
                            nextPictType=macontext.Video.Info.Pict_Type;
                            framecnt++;

                            if (macontext.Video.Info.Pict_Type==MA_I_TYPE)
                            {
                                lastiframe=iframe;
                                lastiframetime=iframetime;
                                CheckStartStop(lastiframe);
                                if (lastiframe>chkLEFT) CheckInfoAspectRatio();

                                if (macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H264)
                                {
                                    iframe=framecnt;
                                }
                                else
                                {
                                    iframe=framecnt-1;
                                }
                                iframetime=vpkt.Timestamp;
                                dRes=true;
                            }
                        }

                        if ((decoder) && (bDecodeVideo))
                            dRes=decoder->DecodeVideo(&macontext,vpkt.Data,vpkt.Length);
                        if (dRes)
                        {
                            if ((framecnt-iframe)<=3)
                            {
                                //printf("VID %5i %s %x\n",lastiframe,Timestamp2HMS(lastiframetime),lastiframetime);

                                mark=video->Process(lastiframe,iframe);
                                if (mark) AddMark(mark);
                                //SaveFrame(lastiframe);  // TODO: JUST FOR DEBUGGING!
                            }
                        }
                    }
                    tspkt+=len;
                    tslen-=len;
                    if (!vpkt.Offcnt)
                    {
                        offset_add+=len;
                    }
                    else
                    {
                        offset+=offset_add;
                        offset+=len;
                        offset_add=0;
                    }
                }
            }
        }

        if ((ac3_demux) && (streaminfo) && (audio))
        {
            uchar *tspkt = data;
            int tslen = dataread;

            while (tslen>0)
            {
                int len=ac3_demux->Process(macontext.Info.DPid,tspkt,tslen,&apkt);
                if (len<0)
                {
                    esyslog("error demuxing ac3-audio");
                    break;
                }
                else
                {
                    if (apkt.Data)
                    {
                        if (streaminfo->FindAC3AudioInfos(&macontext,apkt.Data,apkt.Length))
                        {
                            if ((!isTS) && (!noticeVDR_AC3))
                            {
                                dsyslog("found AC3");
                                noticeVDR_AC3=true;
                            }
                            if (apkt.Timestamp) audiotime=apkt.Timestamp;

                            if (abs(audiotime-lastiframetime)<DELTATIME)
                            {
                                //printf("AC3 %5i %s %x\n",lastiframe,Timestamp2HMS(audiotime),audiotime);
                                mark=audio->Process(lastiframe,iframe);
                                if (mark) AddMark(mark);
                            }
                        }
                    }
                    tspkt+=len;
                    tslen-=len;
                }
            }
        }

        if ((fastexit) || (reprocess))
        {
            if (f!=-1) close(f);
            return true;
        }

        if (!CheckIndexGrowing()) CheckBroadcastLength();
        if (abort)
        {
            if (f!=-1) close(f);
            return false;
        }
    }
    close(f);
    return true;
}

bool cMarkAdStandalone::Reset(bool FirstPass)
{
    bool ret=true;
    reprocess=false;
    if (FirstPass) framecnt=0;
    lastiframe=0;
    iframe=0;

    lastiframetime=0;
    iframetime=0;
    audiotime=0;

    fastexit=false;

    memset(&vpkt,0,sizeof(vpkt));
    memset(&apkt,0,sizeof(apkt));

    iStart=0;
    iStop=0;
    chkLEFT=0;
    chkRIGHT=0;

    if (FirstPass)
    {
        marksAligned=false;
        marks.DelAll();
        marks.CloseIndex(directory,isTS);
    }

    macontext.Video.Info.Pict_Type=0;
    macontext.Video.Info.AspectRatio.Den=0;
    macontext.Video.Info.AspectRatio.Num=0;
    macontext.Audio.Info.Channels=0;

    if (decoder)
    {
        ret=decoder->Clear();
    }
    if (streaminfo) streaminfo->Clear();
    if (video_demux) video_demux->Clear();
    if (ac3_demux) ac3_demux->Clear();
    if (mp2_demux) mp2_demux->Clear();
    if (video) video->Clear();
    if (audio) audio->Clear();
    return ret;
}

void cMarkAdStandalone::Process()
{
    if (abort) return;

    if (bBackupMarks) marks.Backup(directory,isTS);

    for (int i=1; i<=MaxFiles; i++)
    {
        if (abort) break;
        if (!ProcessFile(i))
        {
            break;
        }
        if (fastexit) break;
        if (reprocess)
        {
            isyslog("restarting from scratch");
            i=0;
            Reset();
        }
    }

    if (!abort)
    {
        if ((lastiframe) && (!fastexit) && ((iStop<0) || (!tStart)))
        {
            char *buf;
            MarkAdMark tempmark;
            tempmark.Type=MT_COMMON;
            tempmark.Position=lastiframe;

            if (asprintf(&buf,"stop of recording (%i)",lastiframe)!=-1)
            {
                tempmark.Comment=buf;
                AddMark(&tempmark);
                free(buf);
            }
        }

        CheckLastMark();
        CheckLogoMarks();

        marks.CloseIndex(directory,isTS);
        if (marks.Save(directory,macontext.Video.Info.FramesPerSecond,isTS))
        {
            int iIndexError=false;
            int tframecnt=bGenIndex ? framecnt : 0;
            if (marks.CheckIndex(directory,isTS,&tframecnt,&iIndexError))
            {
                if (iIndexError)
                {
                    if (bGenIndex)
                    {
                        switch (iIndexError)
                        {
                        case IERR_NOTFOUND:
                            isyslog("no index found");
                            break;
                        case IERR_TOOSHORT:
                            isyslog("index too short");
                            break;
                        default:
                            isyslog("index contains errors");
                            break;
                        }
                        if (RegenerateIndex())
                        {
                            isyslog("recreated index");
                        }
                        else
                        {
                            esyslog("failed to recreate index");
                        }
                    }
                    else
                    {
                        esyslog("index doesn't match marks%s",
                                ((isTS) || ((macontext.Info.VPid.Type==
                                             MARKAD_PIDTYPE_VIDEO_H264) && (!isTS))) ?
                                ", sorry you're lost" :
                                ", please run genindex");
                    }
                }
            }
        }
        if (bGenIndex) marks.RemoveGeneratedIndex(directory,isTS);

        if ((!bIgnoreAudioInfo) && (!bIgnoreVideoInfo) && (macontext.Info.Length)) SaveInfo();
    }
}

bool cMarkAdStandalone::SaveInfo()
{
    if ((!setVideo43) && (!setVideo169) && (!setAudio20) && (!setAudio51)) return true;
    char *src,*dst;
    if (asprintf(&src,"%s/info%s",directory,isTS ? "" : ".vdr")==-1) return false;

    if (asprintf(&dst,"%s/info.bak",directory)==-1)
    {
        free(src);
        return false;
    }

    FILE *r,*w;
    r=fopen(src,"r");

    w=fopen(dst,"w+");

    if ((!r) || (!w))
    {
        free(src);
        free(dst);
        return false;
    }

    char *line=NULL;
    char *lline=NULL;
    size_t length=0;

    bool setVideo43_done=false;
    bool setVideo169_done=false;
    bool setAudio20_done=false;
    bool setAudio51_done=false;

    char lang[4]="";

    bool err=false;
    while (getline(&line,&length,r)!=-1)
    {
        if (line[0]=='X')
        {
            int stream=0,type=0;
            char descr[256]="";

            int result=sscanf(line,"%*c %i %i %3c %250c",&stream,&type,(char *) &lang, (char *) &descr);
            if ((result!=0) && (result!=EOF))
            {
                switch (stream)
                {
                case 1:
                    if ((((type==1) || (type==5)) && (setVideo169)) ||
                            (((type==2) || (type==3) || (type==6) || (type==7)) && (setVideo43)))
                    {
                        if (setVideo43)
                        {
                            if (fprintf(w,"X 1 01 %s 4:3\n",lang)<=0) err=true;
                            setVideo43_done=true;
                        }
                        if (setVideo169)
                        {
                            if (fprintf(w,"X 1 03 %s 16:9\n",lang)<=0) err=true;
                            setVideo169_done=true;
                        }
                    }
                    else
                    {
                        if (fprintf(w,"%s",line)<=0) err=true;
                    }
                    break;
                case 2:
                    if ((type==5) && ((setAudio51) || (setAudio20)))
                    {
                        if (setAudio51)
                        {
                            if (fprintf(w,"X 2 05 %s Dolby Digital 5.1\n",lang)<=0) err=true;
                            setAudio51_done=true;
                        }
                        if (setAudio20)
                        {
                            if (fprintf(w,"X 2 05 %s Dolby Digital 2.0\n",lang)<=0) err=true;
                            setAudio20_done=true;
                        }
                    }
                    else
                    {
                        if (fprintf(w,"%s",line)<=0) err=true;
                    }
                    break;
                default:
                    if (fprintf(w,"%s",line)<=0) err=true;
                    break;
                }
            }
        }
        else
        {
            if (line[0]!='@')
            {
                if (fprintf(w,"%s",line)<=0) err=true;
            }
            else
            {
                if (lline)
                {
                    free(lline);
                    err=true;
                    esyslog("multiple @lines in info file, please report this!");
                }
                lline=strdup(line);
            }
        }
        if (err) break;
    }
    if (line) free(line);
    line=lline;

    if (lang[0]==0) strcpy(lang,"und");

    if ((setVideo43) && (!setVideo43_done) && (!err))
    {
        if (fprintf(w,"X 1 01 %s 4:3\n",lang)<=0) err=true;
    }
    if ((setVideo169) && (!setVideo169_done) && (!err))
    {
        if (fprintf(w,"X 1 03 %s 16:9\n",lang)<=0) err=true;
    }
    if ((setAudio20) && (!setAudio20_done) && (!err))
    {
        if (fprintf(w,"X 2 05 %s Dolby Digital 2.0\n",lang)<=0) err=true;
    }
    if ((setAudio51) && (!setAudio51_done) && (!err))
    {
        if (fprintf(w,"X 2 05 %s Dolby Digital 5.1\n",lang)<=0) err=true;
    }
    if (line)
    {
        if (fprintf(w,"%s",line)<=0) err=true;
        free(line);
    }
    fclose(w);
    fclose(r);
    if (err)
    {
        unlink(dst);
    }
    else
    {
        if (rename(dst,src)==-1) err=true;
    }

    if ((getuid()==0 || geteuid()!=0) && (!err))
    {
        // if we are root, set fileowner to owner of 001.vdr/00001.ts file
        char *spath=NULL;
        if (asprintf(&spath,"%s/%s",directory,isTS ? "00001.ts" : "001.vdr")!=-1)
        {
            struct stat statbuf;
            if (!stat(spath,&statbuf))
            {
                if (chown(src,statbuf.st_uid, statbuf.st_gid)) {};
            }
            free(spath);
        }
    }

    free(src);
    free(dst);
    return (err==false);
}

bool cMarkAdStandalone::LoadInfo()
{
    char *buf;
    if (asprintf(&buf,"%s/info%s",directory,isTS ? "" : ".vdr")==-1) return false;

    FILE *f;
    f=fopen(buf,"r");
    free(buf);
    if (!f) return false;

    const char *timestr=strrchr(directory,'/');
    if (timestr)
    {
        timestr++;
        if (!isdigit(*timestr)) timestr=directory;
    }
    else
    {
        timestr=directory;
    }

    time_t now = time(NULL);
    struct tm tm_r;
    struct tm t = *localtime_r(&now, &tm_r); // init timezone
    time_t rStart=0;
    if (sscanf(timestr, "%4d-%02d-%02d.%02d%*c%02d", &t.tm_year, &t.tm_mon, &t.tm_mday,
               &t.tm_hour, & t.tm_min)==5)
    {
        t.tm_year-=1900;
        t.tm_mon--;
        t.tm_sec=0;
        t.tm_isdst=-1;
        rStart=mktime(&t);
    }

    long start=0;
    char *line=NULL;
    size_t length;
    while (getline(&line,&length,f)!=-1)
    {
        if (line[0]=='C')
        {
            char channelname[256]="";
            int result=sscanf(line,"%*c %*s %250c",(char *) &channelname);
            if (result==1)
            {
                macontext.Info.ChannelName=strdup(channelname);
                char *lf=strchr(macontext.Info.ChannelName,10);
                if (lf) *lf=0;
                char *cr=strchr(macontext.Info.ChannelName,13);
                if (cr) *cr=0;
                for (int i=0; i<(int) strlen(macontext.Info.ChannelName); i++)
                {
                    if (macontext.Info.ChannelName[i]==' ') macontext.Info.ChannelName[i]='_';
                    if (macontext.Info.ChannelName[i]=='.') macontext.Info.ChannelName[i]='_';
                }
            }
        }
        if (line[0]=='E')
        {
            int result=sscanf(line,"%*c %*i %li %i %*i %*x",&start,&macontext.Info.Length);
            if (result!=2)
            {
                start=0;
                macontext.Info.Length=0;
            }
        }
        if (line[0]=='T')
        {
            int result=sscanf(line,"%*c %79c",title);
            if ((result==0) || (result==EOF))
            {
                title[0]=0;
            }
            else
            {
                char *lf=strchr(title,10);
                if (lf) *lf=0;
                char *cr=strchr(title,13);
                if (cr) *cr=0;
            }
        }
        if (line[0]=='X')
        {
            int stream=0,type=0;
            char descr[256]="";
            int result=sscanf(line,"%*c %i %i %250c",&stream,&type,(char *) &descr);
            if ((result!=0) && (result!=EOF))
            {
                if ((stream==1) && (!bIgnoreVideoInfo))
                {
                    if ((type!=1) && (type!=5))
                    {
                        macontext.Video.Options.IgnoreAspectRatio=true;
                        macontext.Info.AspectRatio.Num=16;
                        macontext.Info.AspectRatio.Den=9;
                    }
                    else
                    {
                        isyslog("broadcast aspectratio 4:3 (from info)");
                        macontext.Info.AspectRatio.Num=4;
                        macontext.Info.AspectRatio.Den=3;
                    }
                }

                if ((stream==2) && (!bIgnoreAudioInfo))
                {
                    if (type==5)
                    {
                        // if we have DolbyDigital 2.0 disable AC3
                        if (strchr(descr,'2'))
                        {
                            macontext.Info.DPid.Num=0;
                            isyslog("broadcast with DolbyDigital2.0, disabling AC3 decoding");
                        }
                        else
                            // if we have DolbyDigital 5.1 disable video decoding
                            if (strchr(descr,'5'))
                            {
                                bDecodeVideo=false;
                                macontext.Video.Options.IgnoreAspectRatio=true;
                                isyslog("broadcast with DolbyDigital5.1, disabling video decoding");
                                if (macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H262)
                                {

                                    if ((macontext.Info.AspectRatio.Num==4) &&
                                            (macontext.Info.AspectRatio.Den==3))
                                    {
                                        isyslog("wrong aspect ratio in info, changing to 16:9");
                                        macontext.Info.AspectRatio.Num=16;
                                        macontext.Info.AspectRatio.Den=9;
                                        setVideo169=true;
                                    }
                                }
                            }
                            else
                            {
                                setAudio20=true;
                            }

                    }
                }
            }
        }
    }
    if (line) free(line);
    fclose(f);

    if ((macontext.Info.Length) && (!bIgnoreTimerInfo) && (start) && (rStart))
    {
        tStart=start-rStart;
        if (tStart<0)
        {
            isyslog("broadcast start truncated by %im, length will be corrected",-tStart/60);
            macontext.Info.Length+=tStart;
            tStart=0;
        }
    }
    else
    {
        tStart=0;
    }

    if (!macontext.Info.Length) esyslog("cannot read broadcast length from info, marks can be wrong!");

    if (!macontext.Info.ChannelName)
    {
        return false;
    }
    else
    {
        return true;
    }
}

bool cMarkAdStandalone::CheckTS()
{
    MaxFiles=0;
    isTS=false;
    if (!directory) return false;
    char *buf;
    if (asprintf(&buf,"%s/00001.ts",directory)==-1) return false;
    struct stat statbuf;
    if (stat(buf,&statbuf)==-1)
    {
        if (errno!=ENOENT)
        {
            free(buf);
            return false;
        }
        free(buf);
        if (asprintf(&buf,"%s/001.vdr",directory)==-1) return false;
        if (stat(buf,&statbuf)==-1)
        {
            free(buf);
            return false;
        }
        free(buf);
        // .VDR detected
        isTS=false;
        MaxFiles=999;
        return true;
    }
    free(buf);
    // .TS detected
    isTS=true;
    MaxFiles=65535;
    return true;
}

bool cMarkAdStandalone::CheckVDRHD()
{
    char *buf;
    if (asprintf(&buf,"%s/001.vdr",directory)==-1) return false;

    int fd=open(buf,O_RDONLY);
    free(buf);
    if (fd==-1) return false;

    uchar pes_buf[32];
    if (read(fd,pes_buf,sizeof(pes_buf))!=sizeof(pes_buf))
    {
        close(fd);
        return false;
    }
    close(fd);

    if ((pes_buf[0]==0) && (pes_buf[1]==0) && (pes_buf[2]==1) && ((pes_buf[3] & 0xF0)==0xE0))
    {
        int payloadstart=9+pes_buf[8];
        if (payloadstart>23) return false;
        uchar *start=&pes_buf[payloadstart];
        if ((start[0]==0) && (start[1]==0) && (start[2]==1) && (start[5]==0) && (start[6]==0)
                && (start[7]==0) && (start[8]==1))
        {
            return true;
        }
    }
    return false;
}

bool cMarkAdStandalone::CheckPATPMT()
{
    char *buf;
    if (asprintf(&buf,"%s/00001.ts",directory)==-1) return false;

    int fd=open(buf,O_RDONLY);
    free(buf);
    if (fd==-1) return false;

    uchar patpmt_buf[564];
    uchar *patpmt;

    if (read(fd,patpmt_buf,sizeof(patpmt_buf))!=sizeof(patpmt_buf))
    {
        close(fd);
        return false;
    }
    close(fd);
    patpmt=patpmt_buf;

    if ((patpmt[0]==0x47) && ((patpmt[1] & 0x5F)==0x40) && (patpmt[2]==0x11) &&
            ((patpmt[3] & 0x10)==0x10)) patpmt+=188; // skip SDT

    // some checks
    if ((patpmt[0]!=0x47) || (patpmt[188]!=0x47)) return false; // no TS-Sync
    if (((patpmt[1] & 0x5F)!=0x40) && (patpmt[2]!=0)) return false; // no PAT
    if ((patpmt[3] & 0x10)!=0x10) return false; // PAT not without AFC
    if ((patpmt[191] & 0x10)!=0x10) return false; // PMT not without AFC
    struct PAT *pat = (struct PAT *) &patpmt[5];

    // more checks
    if (pat->reserved1!=3) return false; // is always 11
    if (pat->reserved3!=7) return false; // is always 111

    int pid=pat->pid_L+(pat->pid_H<<8);
    int pmtpid=((patpmt[189] & 0x1f)<<8)+patpmt[190];
    if (pid!=pmtpid) return false; // pid in PAT differs from pid in PMT

    struct PMT *pmt = (struct PMT *) &patpmt[193];

    // still more checks
    if (pmt->reserved1!=3) return false; // is always 11
    if (pmt->reserved2!=3) return false; // is always 11
    if (pmt->reserved3!=7) return false; // is always 111
    if (pmt->reserved4!=15) return false; // is always 1111

    if ((pmt->program_number_H!=pat->program_number_H) ||
            (pmt->program_number_L!=pat->program_number_L)) return false;

    int desc_len=(pmt->program_info_length_H<<8)+pmt->program_info_length_L;
    if (desc_len>166) return false; // beyond patpmt buffer

    int section_end = 196+(pmt->section_length_H<<8)+pmt->section_length_L;
    section_end-=4; // we don't care about the CRC32
    if (section_end>376) return false; //beyond patpmt buffer

    int i=205+desc_len;

    while (i<section_end)
    {
        struct ES_DESCRIPTOR *es=NULL;
        struct STREAMINFO *si = (struct STREAMINFO *) &patpmt[i];
        int esinfo_len=(si->ES_info_length_H<<8)+si->ES_info_length_L;
        if (esinfo_len)
        {
            es = (struct ES_DESCRIPTOR *) &patpmt[i+sizeof(struct STREAMINFO)];
        }

        // oh no -> more checks!
        if (si->reserved1!=7) return false;
        if (si->reserved2!=15) return false;

        int pid=(si->PID_H<<8)+si->PID_L;

        switch (si->stream_type)
        {
        case 0x1:
        case 0x2:
            macontext.Info.VPid.Type=MARKAD_PIDTYPE_VIDEO_H262;
            // just use the first pid
            if (!macontext.Info.VPid.Num) macontext.Info.VPid.Num=pid;
            break;

        case 0x3:
        case 0x4:
            // just use the first pid
            if (!macontext.Info.APid.Num) macontext.Info.APid.Num=pid;
            break;

        case 0x6:
            if (es)
            {
                if (es->Descriptor_Tag==0x6A) macontext.Info.DPid.Num=pid;
            }
            break;

        case 0x1b:
            macontext.Info.VPid.Type=MARKAD_PIDTYPE_VIDEO_H264;
            // just use the first pid
            if (!macontext.Info.VPid.Num) macontext.Info.VPid.Num=pid;
            break;
        }

        i+=(sizeof(struct STREAMINFO)+esinfo_len);
    }

    return true;
}

bool cMarkAdStandalone::RegenerateIndex()
{
    if (!directory) return false;
    // rename index[.vdr].generated -> index[.vdr]
    char *oldpath,*newpath;
    if (asprintf(&oldpath,"%s/index%s.generated",directory,
                 isTS ? "" : ".vdr")==-1) return false;
    if (asprintf(&newpath,"%s/index%s",directory,isTS ? "" : ".vdr")==-1)
    {
        free(oldpath);
        return false;
    }

    if (rename(oldpath,newpath)!=0)
    {
        if (errno!=ENOENT)
        {
            free(oldpath);
            free(newpath);
            return false;
        }
    }
    free(oldpath);
    free(newpath);
    return true;
}

bool cMarkAdStandalone::CreatePidfile()
{
    char *buf=NULL;
    if (asprintf(&buf,"%s/markad.pid",directory)==-1) return false;

    // check for other running markad process
    FILE *oldpid=fopen(buf,"r");
    if (oldpid)
    {
        // found old pidfile, check if it's still running
        int pid;
        if (fscanf(oldpid,"%i\n",&pid)==1)
        {
            char procname[256]="";
            snprintf(procname,sizeof(procname),"/proc/%i",pid);
            struct stat statbuf;
            if (stat(procname,&statbuf)!=-1)
            {
                // found another, running markad
                isyslog("another instance is running on this recording");
                abort=duplicate=true;
            }
        }
        fclose(oldpid);
    }
    if (duplicate)
    {
        free(buf);
        return false;
    }

    FILE *pidfile=fopen(buf,"w+");

    if (getuid()==0 || geteuid()!=0)
    {
        // if we are root, set fileowner to owner of directory
        struct stat statbuf;
        if (!stat(directory,&statbuf))
        {
            if (chown(buf,statbuf.st_uid, statbuf.st_gid)) {};
        }
    }

    free(buf);
    if (!pidfile) return false;
    fprintf(pidfile,"%i\n",(int) getpid());
    fflush(pidfile);
    fclose(pidfile);
    return true;
}

void cMarkAdStandalone::RemovePidfile()
{
    if (!directory) return;
    if (duplicate) return;

    char *buf;
    if (asprintf(&buf,"%s/markad.pid",directory)!=-1)
    {
        unlink(buf);
        free(buf);
    }
}

const char cMarkAdStandalone::frametypes[8]={'?','I','P','B','D','S','s','b'};

cMarkAdStandalone::cMarkAdStandalone(const char *Directory, bool BackupMarks, int LogoExtraction,
                                     int LogoWidth, int LogoHeight, bool DecodeVideo,
                                     bool DecodeAudio, int IgnoreInfo,
                                     const char *LogoDir, const char *MarkFileName,
                                     bool noPid, bool OSD, const char *SVDRPHost, int SVDRPPort,
                                     bool Before, bool GenIndex, int Threads)
{
    setlocale(LC_MESSAGES, "");
    directory=Directory;
    abort=false;
    fastexit=false;
    reprocess=false;

    indexFile=NULL;
    streaminfo=NULL;
    video_demux=NULL;
    ac3_demux=NULL;
    mp2_demux=NULL;
    decoder=NULL;
    video=NULL;
    audio=NULL;
    osd=NULL;

    memset(&vpkt,0,sizeof(vpkt));
    memset(&apkt,0,sizeof(apkt));

    setAudio51=false;
    setAudio20=false;
    setVideo43=false;
    setVideo169=false;
    aspectChecked=false;

    noticeVDR_MP2=false;
    noticeVDR_AC3=false;
    noticeHEADER=false;

    sleepcnt=0;
    waittime=0;
    duplicate=false;
    marksAligned=false;
    title[0]=0;

    memset(&macontext,0,sizeof(macontext));
    macontext.LogoDir=(char *) LogoDir;
    macontext.Options.LogoExtraction=LogoExtraction;
    macontext.Options.LogoWidth=LogoWidth;
    macontext.Options.LogoHeight=LogoHeight;

    bDecodeVideo=DecodeVideo;
    bDecodeAudio=DecodeAudio;
    bGenIndex=GenIndex;
    bBackupMarks=BackupMarks;
    tStart=iStart=iStop=0;

    if ((IgnoreInfo & IGNORE_VIDEOINFO)==IGNORE_VIDEOINFO)
    {
        bIgnoreVideoInfo=true;
    }
    else
    {
        bIgnoreVideoInfo=false;
    }

    if ((IgnoreInfo & IGNORE_AUDIOINFO)==IGNORE_AUDIOINFO)
    {
        bIgnoreAudioInfo=true;
    }
    else
    {
        bIgnoreAudioInfo=false;
    }

    if ((IgnoreInfo & IGNORE_TIMERINFO)==IGNORE_TIMERINFO)
    {
        bIgnoreTimerInfo=true;
    }
    else
    {
        bIgnoreTimerInfo=false;
    }

    macontext.Info.DPid.Type=MARKAD_PIDTYPE_AUDIO_AC3;
    macontext.Info.APid.Type=MARKAD_PIDTYPE_AUDIO_MP2;

    isyslog("starting v%s",VERSION);
    isyslog("on %s",Directory);

    if (!bDecodeAudio)
    {
        isyslog("audio decoding disabled by user");
    }
    if (!bDecodeVideo)
    {
        isyslog("video decoding disabled by user");
    }
    if (bIgnoreAudioInfo)
    {
        isyslog("audio info usage disabled by user");
    }
    if (bIgnoreVideoInfo)
    {
        isyslog("video info usage disabled by user");
    }
    if (bIgnoreTimerInfo)
    {
        isyslog("timer info usage disabled by user");
    }

    if (LogoExtraction!=-1)
    {
        // just to be sure extraction works
        bDecodeVideo=true;
        bIgnoreAudioInfo=true;
        bIgnoreVideoInfo=true;
    }

    if (!noPid)
    {
        CreatePidfile();
        if (abort) return;
    }

    if (Before) sleep(10);

    if (!CheckTS()) return;

    if (isTS)
    {
        if (!CheckPATPMT())
        {
            esyslog("no PAT/PMT found -> cannot process");
            abort=true;
            return;
        }
        if (asprintf(&indexFile,"%s/index",Directory)==-1) indexFile=NULL;
    }
    else
    {
        macontext.Info.APid.Num=-1;
        macontext.Info.DPid.Num=-1;
        macontext.Info.VPid.Num=-1;

        if (CheckVDRHD())
        {
            macontext.Info.VPid.Type=MARKAD_PIDTYPE_VIDEO_H264;
        }
        else
        {
            macontext.Info.VPid.Type=MARKAD_PIDTYPE_VIDEO_H262;
        }
        if (asprintf(&indexFile,"%s/index.vdr",Directory)==-1) indexFile=NULL;
    }

    if (!LoadInfo())
    {
        if (bDecodeVideo)
        {
            esyslog("failed loading info - logo %s%sdisabled",
                    (LogoExtraction!=-1) ? "extraction" : "detection",
                    bIgnoreTimerInfo ? " " : " and pre-/post-timer ");
            tStart=0;
        }
    }

    if (tStart) isyslog("pre-timer %im",tStart/60);
    if (macontext.Info.Length) isyslog("broadcast length %im",macontext.Info.Length/60);

    if (title[0])
    {
        ptitle=title;
    }
    else
    {
        ptitle=(char *) Directory;
    }

    if (OSD)
    {
        osd= new cOSDMessage(SVDRPHost,SVDRPPort);
        if (osd) osd->Send("%s %s",tr("starting markad for"),ptitle);
    }
    else
    {
        osd=NULL;
    }

    if (MarkFileName[0]) marks.SetFileName(MarkFileName);

    if (macontext.Info.VPid.Num)
    {
        if (isTS)
        {
            dsyslog("using %s-video (0x%04x)",
                    macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H264 ? "H264": "H262",
                    macontext.Info.VPid.Num);
        }
        else
        {
            dsyslog("using %s-video",
                    macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H264 ? "H264": "H262");
        }
        video_demux = new cMarkAdDemux();
    }
    else
    {
        video_demux=NULL;
    }

    if (macontext.Info.APid.Num)
    {
        if (macontext.Info.APid.Num!=-1)
            dsyslog("using MP2 (0x%04x)",macontext.Info.APid.Num);
        mp2_demux = new cMarkAdDemux();
    }
    else
    {
        mp2_demux=NULL;
    }

    if (macontext.Info.DPid.Num)
    {
        if (macontext.Info.DPid.Num!=-1)
            dsyslog("using AC3 (0x%04x)",macontext.Info.DPid.Num);
        ac3_demux = new cMarkAdDemux();
    }
    else
    {
        ac3_demux=NULL;
    }

    if (!abort)
    {
        decoder = new cMarkAdDecoder(macontext.Info.VPid.Type==MARKAD_PIDTYPE_VIDEO_H264,
                                     macontext.Info.APid.Num!=0,macontext.Info.DPid.Num!=0,Threads);
        video = new cMarkAdVideo(&macontext);
        audio = new cMarkAdAudio(&macontext);
        streaminfo = new cMarkAdStreamInfo;
        if (macontext.Info.ChannelName)
            dsyslog("channel %s",macontext.Info.ChannelName);
    }

    framecnt=0;
    framecnt2=0;
    lastiframe=0;
    iframe=0;
    lastiframetime=0;
    iframetime=0;
    audiotime=0;
    chkLEFT=0;
    chkRIGHT=0;
    gettimeofday(&tv1,&tz);
}

cMarkAdStandalone::~cMarkAdStandalone()
{
    if ((!abort) && (!duplicate))
    {
        gettimeofday(&tv2,&tz);
        time_t sec;
        suseconds_t usec;
        sec=tv2.tv_sec-tv1.tv_sec;
        usec=tv2.tv_usec-tv1.tv_usec;
        if (usec<0)
        {
            usec+=1000000;
            sec--;
        }
        double etime,ftime=0,ptime=0;
        etime=sec+((double) usec/1000000)-waittime;
        if (etime>0) ftime=(framecnt+framecnt2)/etime;
        if (macontext.Video.Info.FramesPerSecond>0)
            ptime=ftime/macontext.Video.Info.FramesPerSecond;
        isyslog("processed time %.2fs, %i/%i frames, %.1f fps, %.1f pps",
                etime,framecnt,framecnt2,ftime,ptime);
    }

    if (osd)
    {
        if (abort)
        {
            osd->Send("%s %s",tr("markad aborted for"),ptitle);
        }
        else
        {
            osd->Send("%s %s",tr("markad finished for"),ptitle);
        }
    }

    if (macontext.Info.ChannelName) free(macontext.Info.ChannelName);
    if (indexFile) free(indexFile);

    if (video_demux) delete video_demux;
    if (ac3_demux) delete ac3_demux;
    if (mp2_demux) delete mp2_demux;
    if (decoder) delete decoder;
    if (video) delete video;
    if (audio) delete audio;
    if (streaminfo) delete streaminfo;
    if (osd) delete osd;

    RemovePidfile();
}

bool isnumber(const char *s)
{
    while (*s)
    {
        if (!isdigit(*s))
            return false;
        s++;
    }
    return true;
}

int usage(int svdrpport)
{
    // nothing done, give the user some help
    printf("Usage: markad [options] cmd <record>\n"
           "options:\n"
           "-b              --background\n"
           "                  markad runs as a background-process\n"
           "                  this will be automatically set if called with \"after\"\n"
           "-d              --disable=<option>\n"
           "                  <option>   1 = disable video decoding, 2 = disable audio\n"
           "                             decoding, 3 = disable video and audio decoding\n"
           "-i              --ignoreinfo=<info>\n"
           "                  ignores hints from info(.vdr) file\n"
           "                  <info> 1 = ignore audio info, 2 = ignore video info,\n"
           "                         4 = ignore timer info\n"
           "                         (options can be added together, e.g. 5 = ignore\n"
           "                          audio and timer info)\n"
           "-l              --logocachedir\n"
           "                  directory where logos stored, default /var/lib/markad\n"
           "-p              --priority level=<priority>\n"
           "                  priority-level of markad when running in background\n"
           "                  <-20...19> default 19\n"
           "-v              --verbose\n"
           "                  increments loglevel by one, can be given multiple times\n"
           "-B              --backupmarks\n"
           "                  make a backup of existing marks\n"
           "-G              --genindex\n"
           "                  regenerate broken index file\n"
           "-L              --extractlogo=<direction>[,width[,height]]\n"
           "                  extracts logo to /tmp as pgm files (must be renamed)\n"
           "                  <direction>  0 = top left,    1 = top right\n"
           "                               2 = bottom left, 3 = bottom right\n"
           "                  [width]  range from 50 to %3i, default %3i (SD)\n"
           "                                                 default %3i (HD)\n"
           "                  [height] range from 20 to %3i, default %3i\n"
           "-O              --OSD\n"
           "                  markad sends an OSD-Message for start and end\n"
           "-T              --threads=<number>\n"
           "                  number of threads used for decoding, max. 16\n"
           "                  (default is the number of cpus)\n"
           "-V              --version\n"
           "                  print version-info and exit\n"
           "                --markfile=<markfilename>\n"
           "                  set a different markfile-name\n"
           "                --online[=1|2] (default is 1)\n"
           "                  start markad immediately when called with \"before\" as cmd\n"
           "                  if online is 1, markad starts online for live-recordings\n"
           "                  only, online=2 starts markad online for every recording\n"
           "                  live-recordings are identified by having a '@' in the\n"
           "                  filename so the entry 'Mark instant recording' in the menu\n"
           "                  'Setup - Recording' of the vdr should be set to 'yes'\n"
           "                --pass2only\n"
           "                  process only second pass, fine adjustment or marks\n"
           "                --svdrphost=<ip/hostname> (default is 127.0.0.1)\n"
           "                  ip/hostname of a remote VDR for OSD messages\n"
           "                --svdrpport=<port> (default is %i)\n"
           "                  port of a remote VDR for OSD messages\n"
           "\ncmd: one of\n"
           "-                            dummy-parameter if called directly\n"
           "after                        markad starts to analyze the recording\n"
           "before                       markad exits immediately if called with \"before\"\n"
           "edited                       markad exits immediately if called with \"edited\"\n"
           "nice                         runs markad with nice(19)\n"
           "\n<record>                     is the name of the directory where the recording\n"
           "                             is stored\n\n",
           LOGO_MAXWIDTH,LOGO_DEFWIDTH,LOGO_DEFHDWIDTH,
           LOGO_MAXHEIGHT,LOGO_DEFHEIGHT,svdrpport
          );
    return -1;
}

static void signal_handler(int sig)
{
    void *trace[32];
    char **messages = (char **)NULL;
    int i, trace_size = 0;

    switch (sig)
    {
    case SIGTSTP:
        isyslog("paused by signal");
        kill(getpid(),SIGSTOP);
        break;
    case SIGCONT:
        isyslog("continued by signal");
        break;
    case SIGABRT:
        esyslog("aborted by signal");
        if (cmasta) cmasta->SetAbort();
        break;
    case SIGSEGV:
        esyslog("segmentation fault");

        trace_size = backtrace(trace, 32);
        messages = backtrace_symbols(trace, trace_size);
        esyslog("[bt] Execution path:");
        for (i=0; i<trace_size; ++i)
        {
            esyslog("[bt] %s\n", messages[i]);
        }
        _exit(1);
        break;
    case SIGTERM:
    case SIGINT:
        esyslog("aborted by user");
        if (cmasta) cmasta->SetAbort();
        break;
    default:
        break;
    }
}

int main(int argc, char *argv[])
{
    int c;
    bool bAfter=false,bBefore=false,bEdited=false;
    bool bFork=false,bNice=false,bImmediateCall=false;
    int niceLevel = 19;
    char *recDir=NULL;
    char *tok,*str;
    int ntok;
    int logoExtraction=-1;
    int logoWidth=-1;
    int logoHeight=-1;
    bool bBackupMarks=false,bNoPid=false,bOSD=false;
    char markFileName[1024]="";
    char logoDirectory[1024]="";
    char svdrphost[1024]="127.0.0.1";
    int svdrpport;
    bool bDecodeVideo=true;
    bool bDecodeAudio=true;
    int  ignoreInfo=0;
    bool bGenIndex=false;
    bool bPass2Only=false;
    int online=0;
    int threads=-1;

    strcpy(logoDirectory,"/var/lib/markad");

    struct servent *serv=getservbyname("svdrp","tcp");
    if (serv)
    {
        svdrpport=htons(serv->s_port);
    }
    else
    {
        svdrpport=2001;
    }

    while (1)
    {
        int option_index = 0;
        static struct option long_options[] =
        {
            {"ac3",0,0,'a'
            },
            {"background", 0, 0, 'b'},
            {"comments", 0, 0, 'c'},
            {"disable", 1, 0, 'd'},
            {"ignoreinfo", 1, 0, 'i' },
            {"jumplogo",0,0,'j'},
            {"logocachedir", 1, 0, 'l'},
            {"nelonen",0,0,'n'},
            {"overlap",0,0,'o' },
            {"priority",1,0,'p'},
            {"statisticfile",1,0,'s'},
            {"verbose", 0, 0, 'v'},

            {"asd",0,0,6},
            {"loglevel",1,0,2},
            {"markfile",1,0,1},
            {"nopid",0,0,5},
            {"online",2,0,4},
            {"pass2only",0,0,10},
            {"pass3only",0,0,7},
            {"svdrphost",1,0,8},
            {"svdrpport",1,0,9},
            {"testmode",0,0,3},
            {"vpid",1,0,11},
            {"apid",1,0,12},
            {"dpid",1,0,13},

            {"backupmarks", 0, 0, 'B'},
            {"scenechangedetection", 0, 0, 'C'},
            {"genindex",0, 0, 'G'},
            {"extractlogo", 1, 0, 'L'},
            {"OSD",0,0,'O' },
            {"savelogo", 0, 0, 'S'},
            {"threads", 1, 0, 'T'},
            {"version", 0, 0, 'V'},

            {0, 0, 0, 0}
        };

        c = getopt_long  (argc, argv, "abcd:i:jl:nop:s:vBCGL:OST:V",
                          long_options, &option_index);
        if (c == -1)
            break;

        switch (c)
        {

        case 'a':
            // --ac3
            break;

        case 'b':
            // --background
            bFork = SYSLOG = true;
            break;

        case 'c':
            // --comments
            break;

        case 'd':
            // --disable
            switch (atoi(optarg))
            {
            case 1:
                bDecodeVideo=false;
                break;
            case 2:
                bDecodeAudio=false;
                break;
            case 3:
                bDecodeVideo=false;
                bDecodeAudio=false;
                break;
            default:
                fprintf(stderr, "markad: invalid disable option: %s\n", optarg);
                return 2;
                break;
            }
            break;

        case 'i':
            // --ignoreinfo
            ignoreInfo=atoi(optarg);
            if ((ignoreInfo<0) || (ignoreInfo>255))
            {
                fprintf(stderr, "markad: invalid ignoreinfo option: %s\n", optarg);
                return 2;
            }
            break;

        case 'j':
            // --jumplogo
            break;

        case 'l':
            strncpy(logoDirectory,optarg,sizeof(logoDirectory));
            logoDirectory[sizeof(logoDirectory)-1]=0;
            break;

        case 'n':
            // --nelonen
            break;

        case 'o':
            // --overlap
            break;

        case 'p':
            // --priority
            if (isnumber(optarg) || *optarg=='-')
                niceLevel = atoi(optarg);
            else
            {
                fprintf(stderr, "markad: invalid priority level: %s\n", optarg);
                return 2;
            }
            bNice = true;
            break;

        case 's':
            // --statisticfile
            break;

        case 'v':
            // --verbose
            SysLogLevel++;
            if (SysLogLevel>10) SysLogLevel=10;
            break;

        case 'B':
            // --backupmarks
            bBackupMarks=true;
            break;

        case 'C':
            // --scenechangedetection
            break;

        case 'G':
            bGenIndex=true;
            break;

        case 'L':
            // --extractlogo
            str=optarg;
            ntok=0;
            while (tok=strtok(str,","))
            {
                switch (ntok)
                {
                case 0:
                    logoExtraction=atoi(tok);
                    if ((logoExtraction<0) || (logoExtraction>3))
                    {
                        fprintf(stderr, "markad: invalid extractlogo value: %s\n", tok);
                        return 2;
                    }
                    break;

                case 1:
                    logoWidth=atoi(tok);
                    if ((logoWidth<50) || (logoWidth>LOGO_MAXWIDTH))
                    {
                        fprintf(stderr, "markad: invalid width value: %s\n", tok);
                        return 2;
                    }
                    break;

                case 2:
                    logoHeight=atoi(tok);
                    if ((logoHeight<20) || (logoHeight>LOGO_MAXHEIGHT))
                    {
                        fprintf(stderr, "markad: invalid height value: %s\n", tok);
                        return 2;
                    }
                    break;

                default:
                    break;
                }
                str=NULL;
                ntok++;
            }
            break;

        case 'O':
            // --OSD
            bOSD=true;
            break;

        case 'S':
            // --savelogo
            break;

        case 'T':
            // --threads
            threads=atoi(optarg);
            if (threads<1) threads=1;
            if (threads>16) threads=16;
            break;

        case 'V':
            printf("markad %s - marks advertisements in VDR recordings\n",VERSION);
            return 0;

        case '?':
            printf("unknow option ?\n");
            break;

        case 0:
            printf ("option %s", long_options[option_index].name);
            if (optarg)
                printf (" with arg %s", optarg);
            printf ("\n");
            break;

        case 1: // --markfile
            strncpy(markFileName,optarg,sizeof(markFileName));
            markFileName[sizeof(markFileName)-1]=0;
            break;

        case 2: // --loglevel
            SysLogLevel=atoi(optarg);
            if (SysLogLevel>10) SysLogLevel=10;
            if (SysLogLevel<0) SysLogLevel=2;
            break;

        case 3: // --testmode
            break;

        case 4: // --online
            online=atoi(optarg);
            if ((online!=1) && (online!=2))
            {
                fprintf(stderr, "markad: invalid online value: %s\n", optarg);
                return 2;
            }
            break;

        case 5: // --nopid
            bNoPid=true;
            break;

        case 6: // --asd
            break;

        case 7: // --pass3only
            break;

        case 8: // --svdrphost
            strncpy(svdrphost,optarg,sizeof(svdrphost));
            svdrphost[sizeof(svdrphost)-1]=0;
            break;

        case 9: // --svdrpport
            if (isnumber(optarg) && atoi(optarg) > 0 && atoi(optarg) < 65536)
            {
                svdrpport=atoi(optarg);
            }
            else
            {
                fprintf(stderr, "markad: invalid svdrpport value: %s\n", optarg);
                return 2;
            }
            break;

        case 10: // --pass2only
            bPass2Only=true;
            break;

        default:
            printf ("? getopt returned character code 0%o ? (option_index %d)\n", c,option_index);
        }
    }

    if (optind < argc)
    {
        while (optind < argc)
        {
            if (strcmp(argv[optind], "after" ) == 0 )
            {
                bAfter = bFork = bNice = SYSLOG = true;
            }
            else if (strcmp(argv[optind], "before" ) == 0 )
            {
                if (!online) online=1;
                bBefore = bFork = bNice = SYSLOG = true;
            }
            else if (strcmp(argv[optind], "edited" ) == 0 )
            {
                bEdited = true;
            }
            else if (strcmp(argv[optind], "nice" ) == 0 )
            {
                bNice = true;
            }
            else if (strcmp(argv[optind], "-" ) == 0 )
            {
                bImmediateCall = true;
            }
            else
            {
                if ( strstr(argv[optind],".rec") != NULL )
                {
                    recDir = argv[optind];
                    if (recDir[strlen(recDir)-1]=='/') recDir[strlen(recDir)-1]=0;
                }
            }
            optind++;
        }
    }

    // do nothing if called from vdr before/after the video is cutted
    if ((bAfter) && (online)) return 0;
    if (bBefore)
    {
        if (!online) return 0;
        if ((online==1) && (!strchr(recDir,'@'))) return 0;
    }
    if (bEdited) return 0;

    // we can run, if one of bImmediateCall, bAfter, bBefore or bNice is true
    // and recDir is given
    if ( (bImmediateCall || bBefore || bAfter || bNice) && recDir )
    {
        // if bFork is given go in background
        if ( bFork )
        {
            //close_files();
            pid_t pid = fork();
            if (pid < 0)
            {
                char *err=strerror(errno);
                fprintf(stderr, "%s\n",err);
                esyslog("fork ERROR: %s",err);
                return 2;
            }
            if (pid != 0)
            {
                tsyslog("forked to pid %d",pid);
                return 0; // initial program immediately returns
            }
        }
        if ( bFork )
        {
            tsyslog("(forked) pid %d", getpid());
            if (chdir("/")==-1)
            {
                perror("chdir");
                exit(EXIT_FAILURE);
            }
            if (setsid() == (pid_t)(-1))
            {
                perror("setsid");
                exit(EXIT_FAILURE);
            }
            if (signal(SIGHUP, SIG_IGN) == SIG_ERR)
            {
                perror("signal(SIGHUP, SIG_IGN)");
                errno = 0;
            }
            int f;

            f = open("/dev/null", O_RDONLY);
            if (f == -1)
            {
                perror("/dev/null");
                errno = 0;
            }
            else
            {
                if (dup2(f, fileno(stdin)) == -1)
                {
                    perror("dup2");
                    errno = 0;
                }
                (void)close(f);
            }

            f = open("/dev/null", O_WRONLY);
            if (f == -1)
            {
                perror("/dev/null");
                errno = 0;
            }
            else
            {
                if (dup2(f, fileno(stdout)) == -1)
                {
                    perror("dup2");
                    errno = 0;
                }
                if (dup2(f, fileno(stderr)) == -1)
                {
                    perror("dup2");
                    errno = 0;
                }
                (void)close(f);
            }
        }

        (void)umask((mode_t)0022);

        int MaxPossibleFileDescriptors = getdtablesize();
        for (int i = STDERR_FILENO + 1; i < MaxPossibleFileDescriptors; i++)
            close(i); //close all dup'ed filedescriptors

        // should we renice ?
        if ( bNice )
        {
            if (setpriority(PRIO_PROCESS,0,niceLevel)==-1)
            {
                esyslog("failed to set nice to %d",niceLevel);
            }
        }

        // now do the work...
        struct stat statbuf;
        if (stat(recDir,&statbuf)==-1)
        {
            fprintf(stderr,"%s not found\n",recDir);
            return -1;
        }

        if (!S_ISDIR(statbuf.st_mode))
        {
            fprintf(stderr,"%s is not a directory\n",recDir);
            return -1;
        }

        // ignore some signals
        signal(SIGHUP, SIG_IGN);

        // catch some signals
        signal(SIGINT, signal_handler);
        signal(SIGTERM, signal_handler);
        signal(SIGSEGV, signal_handler);
        signal(SIGABRT, signal_handler);
        signal(SIGUSR1, signal_handler);
        signal(SIGTSTP, signal_handler);
        signal(SIGCONT, signal_handler);

        cmasta = new cMarkAdStandalone(recDir,bBackupMarks, logoExtraction, logoWidth, logoHeight,
                                       bDecodeVideo,bDecodeAudio,ignoreInfo,
                                       logoDirectory,markFileName,bNoPid,bOSD,svdrphost,
                                       svdrpport,bBefore,bGenIndex,threads);
        if (!cmasta) return -1;

        if (!bPass2Only) cmasta->Process();
        cmasta->Process2ndPass();
        delete cmasta;
        return 0;
    }

    return usage(svdrpport);
}