You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
292 lines
8.5 KiB
292 lines
8.5 KiB
/*
|
|
*
|
|
* $Id: sourceheader 511311 2006-02-19 14:51:05Z trueg $
|
|
* Copyright (C) 2006 Sebastian Trueg <trueg@k3b.org>
|
|
*
|
|
* This file is part of the K3b project.
|
|
* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
* See the file "COPYING" for the exact licensing terms.
|
|
*/
|
|
|
|
#include "k3bvideodvdtitledetectclippingjob.h"
|
|
|
|
#include <k3bexternalbinmanager.h>
|
|
#include <k3bprocess.h>
|
|
#include <k3bcore.h>
|
|
#include <k3bglobals.h>
|
|
|
|
#include <klocale.h>
|
|
#include <kdebug.h>
|
|
|
|
|
|
static const int s_unrealisticHighClippingValue = 100000;
|
|
|
|
|
|
class K3bVideoDVDTitleDetectClippingJob::Private
|
|
{
|
|
public:
|
|
const K3bExternalBin* usedTranscodeBin;
|
|
|
|
K3bProcess* process;
|
|
|
|
bool canceled;
|
|
|
|
unsigned int currentChapter;
|
|
unsigned int currentFrames;
|
|
unsigned int totalChapters;
|
|
|
|
int lastProgress;
|
|
int lastSubProgress;
|
|
};
|
|
|
|
|
|
|
|
K3bVideoDVDTitleDetectClippingJob::K3bVideoDVDTitleDetectClippingJob( K3bJobHandler* hdl, TQObject* parent )
|
|
: K3bJob( hdl, parent ),
|
|
m_clippingTop( 0 ),
|
|
m_clippingBottom( 0 ),
|
|
m_clippingLeft( 0 ),
|
|
m_clippingRight( 0 ),
|
|
m_lowPriority( true )
|
|
{
|
|
d = new Private;
|
|
d->process = 0;
|
|
}
|
|
|
|
|
|
K3bVideoDVDTitleDetectClippingJob::~K3bVideoDVDTitleDetectClippingJob()
|
|
{
|
|
delete d->process;
|
|
delete d;
|
|
}
|
|
|
|
|
|
void K3bVideoDVDTitleDetectClippingJob::start()
|
|
{
|
|
jobStarted();
|
|
|
|
d->canceled = false;
|
|
d->lastProgress = 0;
|
|
|
|
//
|
|
// It seems as if the last chapter is often way too short
|
|
//
|
|
d->totalChapters = m_dvd[m_titleNumber-1].numPTTs();
|
|
if( d->totalChapters > 1 && m_dvd[m_titleNumber-1][d->totalChapters-1].playbackTime().totalFrames() < 200 )
|
|
d->totalChapters--;
|
|
|
|
// initial values (some way to big value)
|
|
m_clippingTop = s_unrealisticHighClippingValue;
|
|
m_clippingBottom = s_unrealisticHighClippingValue;
|
|
m_clippingLeft = s_unrealisticHighClippingValue;
|
|
m_clippingRight = s_unrealisticHighClippingValue;
|
|
|
|
d->usedTranscodeBin = k3bcore->externalBinManager()->binObject("transcode");
|
|
if( !d->usedTranscodeBin ) {
|
|
emit infoMessage( i18n("%1 executable could not be found.").arg("transcode"), ERROR );
|
|
jobFinished( false );
|
|
return;
|
|
}
|
|
|
|
if( d->usedTranscodeBin->version < K3bVersion( 1, 0, 0 ) ){
|
|
emit infoMessage( i18n("%1 version %2 is too old.")
|
|
.arg("transcode")
|
|
.arg(d->usedTranscodeBin->version), ERROR );
|
|
jobFinished( false );
|
|
return;
|
|
}
|
|
|
|
emit debuggingOutput( "Used versions", "transcode: " + d->usedTranscodeBin->version );
|
|
|
|
if( !d->usedTranscodeBin->copyright.isEmpty() )
|
|
emit infoMessage( i18n("Using %1 %2 - Copyright (C) %3")
|
|
.arg(d->usedTranscodeBin->name())
|
|
.arg(d->usedTranscodeBin->version)
|
|
.arg(d->usedTranscodeBin->copyright), INFO );
|
|
|
|
emit newTask( i18n("Analysing Title %1 of Video DVD %2").arg(m_titleNumber).arg(m_dvd.volumeIdentifier()) );
|
|
|
|
startTranscode( 1 );
|
|
}
|
|
|
|
|
|
void K3bVideoDVDTitleDetectClippingJob::startTranscode( int chapter )
|
|
{
|
|
d->currentChapter = chapter;
|
|
d->lastSubProgress = 0;
|
|
|
|
//
|
|
// If we have only one chapter and it is not longer than 2 minutes (value guessed based on some test DVD)
|
|
// use the whole chapter
|
|
//
|
|
if( d->totalChapters == 1 )
|
|
d->currentFrames = TQMIN( 3000, TQMAX( 1, m_dvd[m_titleNumber-1][d->currentChapter-1].playbackTime().totalFrames() ) );
|
|
else
|
|
d->currentFrames = TQMIN( 200, TQMAX( 1, m_dvd[m_titleNumber-1][d->currentChapter-1].playbackTime().totalFrames() ) );
|
|
|
|
//
|
|
// prepare the process
|
|
//
|
|
delete d->process;
|
|
d->process = new K3bProcess();
|
|
d->process->setSuppressEmptyLines(true);
|
|
d->process->setSplitStdout(true);
|
|
// connect( d->process, TQT_SIGNAL(stderrLine(const TQString&)), this, TQT_SLOT(slotTranscodeStderr(const TQString&)) );
|
|
connect( d->process, TQT_SIGNAL(stdoutLine(const TQString&)), this, TQT_SLOT(slotTranscodeStderr(const TQString&)) );
|
|
connect( d->process, TQT_SIGNAL(processExited(TDEProcess*)), this, TQT_SLOT(slotTranscodeExited(TDEProcess*)) );
|
|
|
|
// the executable
|
|
*d->process << d->usedTranscodeBin;
|
|
|
|
// low priority
|
|
if( m_lowPriority )
|
|
*d->process << "--nice" << "19";
|
|
|
|
// the input
|
|
*d->process << "-i" << m_dvd.device()->blockDeviceName();
|
|
|
|
// select the title number and chapter
|
|
*d->process << "-T" << TQString("%1,%2").arg(m_titleNumber).arg(chapter);
|
|
|
|
// null output
|
|
*d->process << "-y" << "null,null" << "-o" << "/dev/null";
|
|
|
|
// analyze the first 200 frames
|
|
*d->process << "-J" << TQString("detectclipping=range=0-%1/5").arg(d->currentFrames);
|
|
|
|
// also only decode the first 200 frames
|
|
*d->process << "-c" << TQString("0-%1").arg(d->currentFrames+1);
|
|
|
|
// additional user parameters from config
|
|
const TQStringList& params = d->usedTranscodeBin->userParameters();
|
|
for( TQStringList::const_iterator it = params.begin(); it != params.end(); ++it )
|
|
*d->process << *it;
|
|
|
|
// produce some debugging output
|
|
kdDebug() << "***** transcode parameters:\n";
|
|
const TQValueList<TQCString>& args = d->process->args();
|
|
TQString s;
|
|
for( TQValueList<TQCString>::const_iterator it = args.begin(); it != args.end(); ++it ) {
|
|
s += *it + " ";
|
|
}
|
|
kdDebug() << s << flush << endl;
|
|
emit debuggingOutput( d->usedTranscodeBin->name() + " command:", s);
|
|
|
|
// start the process
|
|
if( !d->process->start( TDEProcess::NotifyOnExit, TDEProcess::All ) ) {
|
|
// something went wrong when starting the program
|
|
// it "should" be the executable
|
|
emit infoMessage( i18n("Could not start %1.").arg(d->usedTranscodeBin->name()), K3bJob::ERROR );
|
|
jobFinished(false);
|
|
}
|
|
else {
|
|
emit newSubTask( i18n("Analysing Chapter %1 of %2").arg(chapter).arg(m_dvd[m_titleNumber-1].numPTTs()) );
|
|
emit subPercent( 0 );
|
|
}
|
|
}
|
|
|
|
|
|
void K3bVideoDVDTitleDetectClippingJob::cancel()
|
|
{
|
|
d->canceled = true;
|
|
if( d->process && d->process->isRunning() )
|
|
d->process->kill();
|
|
}
|
|
|
|
|
|
void K3bVideoDVDTitleDetectClippingJob::slotTranscodeStderr( const TQString& line )
|
|
{
|
|
emit debuggingOutput( "transcode", line );
|
|
|
|
// parse progress
|
|
// encoding frame [185], 24.02 fps, 93.0%, ETA: 0:00:00, ( 0| 0| 0)
|
|
if( line.startsWith( "encoding frame" ) ) {
|
|
int pos1 = line.find( '[', 15 );
|
|
int pos2 = line.find( ']', pos1+1 );
|
|
if( pos1 > 0 && pos2 > 0 ) {
|
|
bool ok;
|
|
int encodedFrames = line.mid( pos1+1, pos2-pos1-1 ).toInt( &ok );
|
|
if( ok ) {
|
|
int progress = 100 * encodedFrames / d->currentFrames;
|
|
|
|
if( progress > d->lastSubProgress ) {
|
|
d->lastSubProgress = progress;
|
|
emit subPercent( progress );
|
|
}
|
|
|
|
double part = 100.0 / (double)d->totalChapters;
|
|
|
|
progress = (int)( ( (double)(d->currentChapter-1) * part )
|
|
+ ( (double)progress / (double)d->totalChapters )
|
|
+ 0.5 );
|
|
|
|
if( progress > d->lastProgress ) {
|
|
d->lastProgress = progress;
|
|
emit percent( progress );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// [detectclipping#0] valid area: X: 5..719 Y: 72..507 -> -j 72,6,68,0
|
|
else if( line.startsWith( "[detectclipping" ) ) {
|
|
int pos = line.find( "-j" );
|
|
if( pos > 0 ) {
|
|
TQStringList values = TQStringList::split( ',', line.mid( pos+3 ) );
|
|
m_clippingTop = TQMIN( m_clippingTop, values[0].toInt() );
|
|
m_clippingLeft = TQMIN( m_clippingLeft, values[1].toInt() );
|
|
m_clippingBottom = TQMIN( m_clippingBottom, values[2].toInt() );
|
|
m_clippingRight = TQMIN( m_clippingRight, values[3].toInt() );
|
|
}
|
|
else
|
|
kdDebug() << "(K3bVideoDVDTitleDetectClippingJob) failed to parse line: " << line << endl;
|
|
}
|
|
}
|
|
|
|
|
|
void K3bVideoDVDTitleDetectClippingJob::slotTranscodeExited( TDEProcess* p )
|
|
{
|
|
switch( p->exitStatus() ) {
|
|
case 0:
|
|
d->currentChapter++;
|
|
if( d->currentChapter > d->totalChapters ) {
|
|
//
|
|
// check if we did set any values at all
|
|
//
|
|
if( m_clippingTop == s_unrealisticHighClippingValue )
|
|
m_clippingTop = m_clippingLeft = m_clippingBottom = m_clippingRight = 0;
|
|
|
|
if( d->totalChapters < m_dvd[m_titleNumber-1].numPTTs() )
|
|
emit infoMessage( i18n("Ignoring last chapter due to its short playback time."), INFO );
|
|
|
|
jobFinished( true );
|
|
}
|
|
else {
|
|
startTranscode( d->currentChapter );
|
|
}
|
|
break;
|
|
|
|
default:
|
|
// FIXME: error handling
|
|
|
|
if( d->canceled ) {
|
|
emit canceled();
|
|
}
|
|
else {
|
|
emit infoMessage( i18n("%1 returned an unknown error (code %2).")
|
|
.arg(d->usedTranscodeBin->name()).arg(p->exitStatus()),
|
|
K3bJob::ERROR );
|
|
emit infoMessage( i18n("Please send me an email with the last output."), K3bJob::ERROR );
|
|
}
|
|
|
|
jobFinished( false );
|
|
}
|
|
}
|
|
|
|
#include "k3bvideodvdtitledetectclippingjob.moc"
|