int TTCutListData::addItem(int cutInIndex, int cutOutIndex, TTAVData* avData)
{
TTVideoStream* mpegStream = avData->videoStream();
QTime cutInTime = mpegStream->frameTime(cutInIndex);
QTime cutOutTime = mpegStream->frameTime(cutOutIndex);
int numFrames = cutOutIndex-cutInIndex;
if ( numFrames < 0 ) numFrames *= -1;
QTime cutLengthTime = ttFramesToTime( numFrames, mpegStream->frameRate() );
qint64 lengthBytes = mpegStream->frameOffset(cutOutIndex) - mpegStream->frameOffset(cutInIndex);
if ( lengthBytes < 0 ) lengthBytes *= -1;
log->infoMsg(oName, "Insert cut position");
log->infoMsg(oName, "------------------------------------------");
log->infoMsg(oName, "Cut-In : %s (%d)", qPrintable(cutInTime.toString("hh:mm:ss.zzz")), cutInIndex);
log->infoMsg(oName, "Cut-Out: %s (%d)", qPrintable(cutOutTime.toString("hh:mm:ss.zzz")), cutOutIndex);
log->infoMsg(oName, "Length : %s (%lld)",qPrintable(cutLengthTime.toString("hh:mm:ss.zzz")), lengthBytes);
log->infoMsg(oName, "------------------------------------------");
TTCutListDataItem item(cutInIndex, cutInTime, cutOutIndex, cutOutTime, cutLengthTime, lengthBytes, avData);
item.cutInFrameType = mpegStream->frameType(cutInIndex);
item.cutOutFrameType = mpegStream->frameType(cutOutIndex);
data.append(item);
// return current index
return data.count()-1;
}
//! Update an existing cut list data item
int TTCutListData::updateItem( int index, int cutInIndex, int cutOutIndex)
{
TTVideoStream* mpegStream = data.at(index).getAVData()->videoStream();
QTime cutInTime = mpegStream->frameTime(cutInIndex);
QTime cutOutTime = mpegStream->frameTime(cutOutIndex);
int numFrames = cutOutIndex-cutInIndex;
if ( numFrames < 0 ) numFrames *= -1;
QTime cutLengthTime = ttFramesToTime( numFrames, mpegStream->frameRate() );
qint64 lengthBytes = mpegStream->frameOffset(cutOutIndex) - mpegStream->frameOffset(cutInIndex);
if ( lengthBytes < 0 ) lengthBytes *= -1;
//log->infoMsg(oName, "Update cut position at index: %d", index);
//log->infoMsg(oName, "------------------------------------------");
//log->infoMsg(oName, "Cut-In : %s (%d)", qPrintable(cutInTime.toString("hh:mm:ss.zzz")), cutInIndex);
//log->infoMsg(oName, "Cut-Out: %s (%d)", qPrintable(cutOutTime.toString("hh:mm:ss.zzz")), cutOutIndex);
//log->infoMsg(oName, "Length : %s (%lld)",qPrintable(cutLengthTime.toString("hh:mm:ss.zzz")), lengthBytes);
//log->infoMsg(oName, "------------------------------------------");
//TTCutListDataItem item = at(index);
data[index].cutInIndex = cutInIndex;
data[index].cutInTime = cutInTime;
data[index].cutOutIndex = cutOutIndex;
data[index].cutOutTime = cutOutTime;
data[index].cutLengthTime = cutLengthTime;
data[index].cutLengthBytes = lengthBytes;
data[index].cutInFrameType = mpegStream->frameType(cutInIndex);
data[index].cutOutFrameType = mpegStream->frameType(cutOutIndex);
// return current item count
return data.count();
}
/* ////////////////////////////////////////////////////////////////////////////
* Update the current frame information
*/
void TTMpeg2MainWnd::updateFrameInfo(int indexPos)
{
totalTime = ttFramesToTime(videoIndexList->count(), 25.0);
TTPicturesHeader* currentPicture = (TTPicturesHeader*)videoHeaderList->at(
videoIndexList->headerListIndex(indexPos));
frameInfo->setFrameOffset(videoHeaderList->at(
videoIndexList->headerListIndex(indexPos))->headerOffset());
frameInfo->setNumDisplayOrder(videoIndexList->displayOrder(indexPos),
currentPicture->temporal_reference);
frameInfo->setNumStreamOrder(videoIndexList->streamOrder(indexPos));
frameInfo->setFrameType(videoIndexList->videoIndexAt(indexPos)->picture_coding_type);
frameInfo->setFrameTime(ttFramesToTime(videoIndexList->displayOrder(indexPos),
25.0), totalTime);
frameInfo->setFrameSize((long)videoIndexList->frameSize(indexPos));
frameInfo->setGOPNumber(videoIndexList->gopNumber(indexPos),
currentPicture->temporal_reference);
}
void TTMpeg2MainWnd::showFrame( uint f_index )
{
TTPicturesHeader* current_picture;
TTSequenceHeader* current_sequence;
try
{
frameInfo->setFrameOffset( header_list->at(index_list->headerListIndex(f_index))->headerOffset());
current_picture = (TTPicturesHeader*)header_list->at(index_list->headerListIndex(f_index));
//frameInfo->setNumDisplayOrder( index_list->displayOrder(f_index));
frameInfo->setNumDisplayOrder( index_list->displayOrder(f_index),
current_picture->temporal_reference);
frameInfo->setNumStreamOrder( index_list->streamOrder(f_index));
//frameInfo->setNumStreamOrder( index_list->streamOrder(f_index),
// current_picture->temporal_reference);
frameInfo->setFrameType( index_list->videoIndexAt(f_index)->picture_coding_type );
frameInfo->setFrameTime( ttFramesToTime(index_list->displayOrder(f_index),25.0),
total_time);
frameInfo->setFrameSize( (long)index_list->frameSize( f_index ) );
//frameInfo->setGOPNumber( index_list->gopNumber( f_index ) );
frameInfo->setGOPNumber( index_list->gopNumber( f_index ),
current_picture->temporal_reference);
//current_sequence = header_list->sequenceHeaderAt( index_list->sequenceIndex( f_index ) );
current_sequence = video_stream->currentSequenceHeader();
setBitrate( current_sequence->bit_rate_value );
setFramerate( current_sequence->frame_rate_code );
setPictureWidth( current_sequence->horizontal_size_value );
setPictureHeight( current_sequence->vertical_size_value );
mpeg2_window->moveToVideoFrame( f_index );
}
catch(TTStreamEOFException)
{
qDebug("stream EOF exception...");
}
catch(TTListIndexException)
{
qDebug("index list exception...");
}
catch(...)
{
qDebug("unknown exception...");
}
}
void TTVideoFileInfo::setVideoInfo( TTVideoStream* pVideoStream )
{
QString szTemp;
TTSequenceHeader* currentSequence = pVideoStream->currentSequenceHeader();
if (currentSequence == NULL)
return;
int idx = videoListData.indexOf(pVideoStream);
if ( -1 == idx )
return;
QTreeWidgetItem* treeItem = videoListView->topLevelItem( idx );
if ( 0 == treeItem )
return;
// video file name
treeItem->setText( 0, pVideoStream->fileName() );
// video length
int numFrames = pVideoStream->frameCount();
QTime time = ttFramesToTime( numFrames, pVideoStream->frameRate() );
szTemp.sprintf("%s (%d)", qPrintable(time.toString("hh:mm:ss.zzz")), numFrames);
treeItem->setText( 1, szTemp );
// set video resolution
szTemp.sprintf("%dx%d",pVideoStream->currentSequenceHeader()->horizontalSize(),
pVideoStream->currentSequenceHeader()->verticalSize());
treeItem->setText( 2, szTemp );
// set aspect
treeItem->setText( 3, pVideoStream->currentSequenceHeader()->aspectRatioText() );
// set framerate
treeItem->setText( 4, pVideoStream->currentSequenceHeader()->frameRateText() );
// set bitrate
szTemp.sprintf("%4.1f kBit/s",
pVideoStream->currentSequenceHeader()->bitRateKbit());
treeItem->setText( 5, szTemp );
// set VBV buffer size
szTemp.sprintf("%d kWords",
pVideoStream->currentSequenceHeader()->vbvBufferSize());
treeItem->setText( 6, szTemp );
}
/* ////////////////////////////////////////////////////////////////////////////
* Update the video file information
*/
void TTMpeg2MainWnd::updateVideoFileInfo(TTMpeg2VideoStream* mpegStream)
{
videoFileInfo->setFileName(mpegStream->fileInfo()->fileName());
videoFileInfo->setLength(
ttFramesToTime(mpegStream->frameCount(), mpegStream->frameRate()),
mpegStream->frameCount());
videoFileInfo->setResolution(
mpegStream->currentSequenceHeader()->horizontalSize(),
mpegStream->currentSequenceHeader()->verticalSize());
videoFileInfo->setAspect(
mpegStream->currentSequenceHeader()->aspectRatioText());
videoFileInfo->setFrameRate(
mpegStream->currentSequenceHeader()->frameRateText());
videoFileInfo->setBitRate(
mpegStream->currentSequenceHeader()->bitRateKbit());
videoFileInfo->setVBVBuffer(
mpegStream->currentSequenceHeader()->vbvBufferSize());
}
void TTVideoFileInfo::setVideoInfo( TTMpeg2VideoStream* mpeg2Stream )
{
QString szTemp;
TTSequenceHeader* currentSequence = mpeg2Stream->currentSequenceHeader();
if (currentSequence == NULL)
return;
// video file name
infoVideoFileName->setText(mpeg2Stream->fileName());
// video length
int numFrames = mpeg2Stream->frameCount();
QTime time = ttFramesToTime( numFrames, mpeg2Stream->frameRate() );
szTemp.sprintf("%s (%d)", qPrintable(time.toString("hh:mm:ss.zzz")), numFrames);
infoVideoLength->setText( szTemp );
// set video resolution
szTemp.sprintf("%dx%d",mpeg2Stream->currentSequenceHeader()->horizontalSize(),
mpeg2Stream->currentSequenceHeader()->verticalSize());
infoVideoResolution->setText( szTemp );
// set aspect
infoVideoAspectRatio->setText(mpeg2Stream->currentSequenceHeader()->aspectRatioText());
// set framerate
infoVideoFramerate->setText(mpeg2Stream->currentSequenceHeader()->frameRateText());
// set bitrate
szTemp.sprintf("%4.1f kBit/s",
mpeg2Stream->currentSequenceHeader()->bitRateKbit());
infoVideoBitrate->setText( szTemp );
// set VBV buffer size
szTemp.sprintf("%d kWords",
mpeg2Stream->currentSequenceHeader()->vbvBufferSize());
infoVideoBuffer->setText( szTemp );
}
void TTMpeg2MainWnd::analyzeMpegStream( )
{
uint max_print_frames = 2500;
uint i;
long num_frames = 0;
QString strHeaderType;
QString strHeaderOffset;
QString strPictureType;
QString strTempRef;
QString strDOrder;
QString strSOrder;
QString strTime;
QString strOut;
Q3ListViewItem* item;
TTPicturesHeader* current_picture;
uint num_index;
double read_percent;
// TODO: use QTime for timing purpose (have better resolution)
time_t seconds_start;
time_t seconds_end;
num_frames = 0;
// start time
seconds_start = time( NULL );
// open the mpeg2 stream
if ( !file_name.isEmpty() )
{
// get the stream type and create according stream-object
video_type = new TTVideoType( file_name );
// test
audio_type = new TTAudioType( "rbb_test.mpa" );
if ( audio_type->avStreamType() == TTAVTypes::mpeg_audio )
{
qDebug( "%sfound mpeg audio stream",cName );
TTMPEGAudioStream* audio_stream = (TTMPEGAudioStream*)audio_type->createAudioStream();
uint h_count = audio_stream->createHeaderList();
}
if ( video_type->avStreamType() == TTAVTypes::mpeg2_demuxed_video )
video_stream = (TTMpeg2VideoStream*)video_type->createVideoStream();
else
{
qDebug("%swrong video type",cName);
return;
}
progress_bar = new TTProgressBar( this );
video_stream->setProgressBar( progress_bar );
progress_bar->show();
qApp->processEvents();
// create header- and index-list
video_stream->createHeaderList();
num_index = video_stream->createIndexList();
qDebug("%snum index: %d",cName,num_index);
// get pointer to the lists
index_list = video_stream->indexList();
header_list = video_stream->headerList();
// get pointer to stream
mpeg2_stream = video_stream->streamBuffer();
// sort frame index list to display (decoder) order
index_list->sortDisplayOrder();
// get end time
seconds_end = time( NULL );
setReadTime( diffTime( seconds_start, seconds_end ) );
// print out statistic informations
// get stream length and set label text
setFileLength( mpeg2_stream->streamLength() );
read_percent = (double)mpeg2_stream->readCount()/(double)mpeg2_stream->streamLength()*100.0;
setReadOps( mpeg2_stream->readCount(), read_percent );
setFillOps( mpeg2_stream->fillCount() );
// print out the number of frames in stream
num_frames = index_list->count();
total_time = ttFramesToTime( num_frames, 25.0 );
setNumFramesTotal( num_frames );
setNumIFrames( index_list->numIFrames() );
setNumPFrames( index_list->numPFrames() );
setNumBFrames( index_list->numBFrames() );
setNumSequence( header_list->numSequenceHeader() );
setNumPicture( header_list->numPictureHeader() );
setNumGOP( header_list->numGopHeader() );
setNumSequenceEnd( header_list->numSequenceEndHeader() );
if ( video_stream->indexList()->count() < max_print_frames )
max_print_frames = video_stream->indexList()->count();
// print out the frame list; print maximal 1000 rows (!)
for( i = 0; i < max_print_frames; i++ )
{
item = new Q3ListViewItem( lvStreamInfo );
strDOrder.sprintf("%08ld",index_list->displayOrder(i));
strSOrder.sprintf("%08ld",index_list->streamOrder(i));
strHeaderType.sprintf("0x%02x",header_list->at(index_list->headerListIndex(i))->headerType());
strHeaderOffset.sprintf("%12ld",header_list->at(index_list->headerListIndex(i))->headerOffset());
current_picture = (TTPicturesHeader*)header_list->at(index_list->headerListIndex(i));
switch(index_list->videoIndexAt(i)->picture_coding_type)
{
case(1):
strPictureType.sprintf("I-Frame");
strTempRef.sprintf("%04d",current_picture->temporal_reference);
break;
case(2):
strPictureType.sprintf("P-Frame");
strTempRef.sprintf("%04d",current_picture->temporal_reference);
break;
case(3):
strPictureType.sprintf("B-Frame");
strTempRef.sprintf("%04d",current_picture->temporal_reference);
break;
}
num_frames++;
item->setText( 0, strHeaderType );
item->setText( 1, strHeaderOffset );
item->setText( 2, strPictureType );
item->setText( 3, strTempRef );
item->setText( 4, strSOrder );
item->setText( 5, strDOrder );
strTime.sprintf("%s,%d",ttFramesToTime(index_list->displayOrder(i),25.0).toString().ascii(),
ttFramesToTime(index_list->displayOrder(i),25.0).msec());
item->setText( 6, strTime );
}
// delete the progress bar
delete progress_bar;
video_stream->setProgressBar( NULL );
sbFrames->setMinValue( 0 );
sbFrames->setMaxValue( index_list->count()-1 );
slider_update = false;
sbFrames->setValue( 0 );
// show information about the first frame
showFrame( 0 );
mpeg2_window->openVideoFile( file_name,
index_list,
header_list );
mpeg2_window->resize( 400, 350 );
mpeg2_window->moveToFirstFrame( true );
}
}
/*!
* cutLengthTime
*/
QTime TTCutItem::cutLengthTime() const
{
return (avDataItem()->videoStream() != 0)
? ttFramesToTime(cutLengthFrames(), avDataItem()->videoStream()->frameRate())
: QTime();
}
// -----------------------------------------------------------------------------
// Create the preview clips
// -----------------------------------------------------------------------------
void TTCutPreview::createPreview( int c_index )
{
int i, iPos;
QString preview_video_name;
QString preview_audio_name;
QString preview_mplex_name;
QFileInfo preview_video_info;
QFileInfo preview_audio_info;
QFileInfo preview_mplex_info;
QString selectionString;
QString mplex_command;
QTime preview_time;
uint preview_frames;
uint start_index;
uint end_index;
TTCutListData* temp_cut_list;
preview_time.setHMS(0,0,0);
preview_time = preview_time.addSecs( TTCut::cutPreviewSeconds );
preview_frames = ttTimeToFrames( preview_time, video_stream->frameRate() ) / 2;
//qDebug( "%s-----------------------------------------------",c_name );
//qDebug( "%s>>> create cut preview",c_name );
//qDebug( "%s-----------------------------------------------",c_name );
//qDebug( "%scut index : %d",c_name,c_index);
// create the cut list for the preview clips
createCutPreviewList();
// number of list entrys
num_cut_list = preview_cut_list->count();
num_preview = num_cut_list/2+1;
//qDebug( "%snum preview : %d",c_name,num_preview);
// ---------------------------------------------------------------------
// Create video and audio preview clips
// ---------------------------------------------------------------------
for ( i = 0; i < num_preview; i++ )
{
//qDebug( "%s-----------------------------------------------",c_name );
//qDebug( "%scut index : %d / %d",c_name,i,cut_index);
temp_cut_list = new TTCutListData(avcut_list->videoStream());
if ( c_index > 0 )
{
preview_video_name.sprintf("preview_%03d.m2v",i+1-c_index);
preview_audio_name.sprintf("preview_%03d.mpa",i+1-c_index);
}
else
{
preview_video_name.sprintf("preview_%03d.m2v",i+1);
preview_audio_name.sprintf("preview_%03d.mpa",i+1);
}
// add temporary path information
preview_video_info.setFile( QDir(TTCut::tempDirPath), preview_video_name );
preview_audio_info.setFile( QDir(TTCut::tempDirPath), preview_audio_name );
preview_video_name = preview_video_info.absoluteFilePath();
preview_audio_name = preview_audio_info.absoluteFilePath();
// first cut-in
if ( i == 0 )
{
//qDebug( "%s(A)first cut %d : %d",c_name,i,i);
temp_cut_list->deleteAll();
temp_cut_list->addCutPosition( preview_cut_list->cutInPosAt(i), preview_cut_list->cutOutPosAt(i), i );
if ( c_index == i || c_index+1 == i || c_index < 0 )
{
selectionString.sprintf( "Start: %s", qPrintable(ttFramesToTime(preview_cut_list->cutInPosAt(i),
video_stream->frameRate()).toString("hh:mm:ss")));
cbCutPreview->addItem( selectionString );
}
}
// cut i-i
if ( num_preview > 1 && i > 0 && i < num_preview-1 )
{
iPos = (i-1)*2+1;
//qDebug("%s(X)cut %d-%d, i pos : %d",c_name,i,i+1,iPos);
temp_cut_list->deleteAll();
temp_cut_list->addCutPosition( preview_cut_list->cutInPosAt(iPos), preview_cut_list->cutOutPosAt(iPos), i );
temp_cut_list->addCutPosition( preview_cut_list->cutInPosAt(iPos+1), preview_cut_list->cutOutPosAt(iPos+1), i );
if ( c_index == i || c_index+1 == i || c_index < 0 )
{
start_index = preview_cut_list->cutOutPosAt( iPos );
end_index = preview_cut_list->cutInPosAt( iPos+1 );
selectionString.sprintf( "Cut %d-%d: %s - %s",i,i+1,
qPrintable(ttFramesToTime( start_index, video_stream->frameRate()).toString("hh:mm:ss")),
qPrintable(ttFramesToTime( end_index, video_stream->frameRate()).toString("hh:mm:ss")));
cbCutPreview->addItem( selectionString );
}
}
//last cut out
if ( i == num_preview-1 )
{
iPos = (i-1)*2+1;
//qDebug("%s(E)last cut, i pos : %d",c_name,iPos);
temp_cut_list->deleteAll();
temp_cut_list->addCutPosition( preview_cut_list->cutInPosAt(iPos), preview_cut_list->cutOutPosAt(iPos), i );
if ( c_index == i || c_index+1 == i || c_index < 0 )
{
selectionString.sprintf( "End: %s",
qPrintable(ttFramesToTime(preview_cut_list->cutOutPosAt(iPos),
video_stream->frameRate()).toString("hh:mm:ss")));
cbCutPreview->addItem( selectionString );
}
}
// create cut
if ( c_index == i || c_index+1 == i || c_index < 0 )
{
//qDebug( "%screate preview cut: %d - %s",c_name,i,preview_video_name.ascii());
progress_bar = new TTProgressBar( this );
progress_bar->show();
qApp->processEvents();
video_stream->setProgressBar( progress_bar );
video_cut_stream = new TTFileBuffer( qPrintable(preview_video_name), fm_open_write );
if ( TTCut::numAudioTracks > 0 )
{
audio_stream->setProgressBar( progress_bar );
audio_cut_stream = new TTFileBuffer( qPrintable(preview_audio_name), fm_open_write );
}
video_stream->cut( video_cut_stream, temp_cut_list );
if ( TTCut::numAudioTracks > 0 )
audio_stream->cut( audio_cut_stream, temp_cut_list );
delete progress_bar;
delete video_cut_stream;
if ( TTCut::numAudioTracks > 0 )
delete audio_cut_stream;
}
delete temp_cut_list;
// next video preview clip
}
// end cut video/audio preview clips
// multiplex video and audio files give a better result because
// video and audio synchronisation is much better
progress_bar = new TTProgressBar( this );
progress_bar->show();
progress_bar->setActionText( "Mplexing preview cuts..." );
progress_bar->setTotalSteps( num_preview, 1 );
for ( i = 0; i < num_preview; i++ )
{
preview_video_name.sprintf("preview_%03d.m2v",i+1);
preview_audio_name.sprintf("preview_%03d.mpa",i+1);
preview_mplex_name.sprintf("preview_%03d.mpg",i+1);
// add temporary path information
preview_video_info.setFile( QDir(TTCut::tempDirPath), preview_video_name );
preview_audio_info.setFile( QDir(TTCut::tempDirPath), preview_audio_name );
preview_mplex_info.setFile( QDir(TTCut::tempDirPath), preview_mplex_name );
preview_video_name = preview_video_info.absoluteFilePath();
preview_audio_name = preview_audio_info.absoluteFilePath();
preview_mplex_name = preview_mplex_info.absoluteFilePath();
// have we audio tracks
if ( TTCut::numAudioTracks > 0 )
{
mplex_command = "mplex -f 8 -o ";
mplex_command += preview_mplex_name;
mplex_command += " ";
mplex_command += preview_video_name;
mplex_command += " ";
mplex_command += preview_audio_name;
mplex_command += " ";
mplex_command += "2>/dev/null";
system( qPrintable(mplex_command) );
}
else
{
mplex_command = "mv ";
mplex_command += preview_video_name;
mplex_command += " ";
mplex_command += preview_mplex_name;
mplex_command += " ";
mplex_command += "2>/dev/null";
system( qPrintable(mplex_command) );
}
log->infoMsg(c_name, "mplex command: %s", mplex_command.toLatin1().constData());
progress_bar->setProgress( i+1 );
}
progress_bar->setComplete();
delete progress_bar;
delete preview_cut_list;
//qDebug( "%s-----------------------------------------------",c_name );
// set the current cut preview to the first cut clip
preview_video_name.sprintf("preview_001.mpg");
preview_video_info.setFile( QDir(TTCut::tempDirPath), preview_video_name );
current_video_file = preview_video_info.absoluteFilePath();
}
