void
TracksRuler::paintEvent( QPaintEvent* e )
{
QStylePainter painter( this );
painter.setClipRect( e->rect() );
// Draw the background
const int projectEnd = ( int )( m_duration * m_factor );
if ( projectEnd - m_offset > 1 )
painter.fillRect( 0, 0, projectEnd - m_offset, height(), QBrush( QColor( 245, 245, 245 ) ) );
double f, step;
int offsetMax;
int offsetMin;
const int maxVal = ( e->rect().right() + m_offset ) / FRAME_SIZE + 1;
offsetMax = maxVal * FRAME_SIZE;
QPalette palette;
painter.setPen( palette.dark().color() );
offsetMin = ( int ) ( ( e->rect().left() + m_offset ) / m_textSpacing );
offsetMin = ( int ) ( offsetMin * m_textSpacing );
for ( f = offsetMin; f < offsetMax; f += m_textSpacing )
{
QString time = getTimeCode( (int)( f / m_factor + 0.5 ) );
painter.drawText( ( int )f - m_offset + 2, LABEL_SIZE + 1, time );
}
// Draw the marks
offsetMin = ( e->rect().left() + m_offset ) / m_littleMarkDistance;
offsetMin = offsetMin * m_littleMarkDistance;
step = m_scale * m_littleMarkDistance;
if ( step > 5 )
for ( f = offsetMin - m_offset; f < offsetMax - m_offset; f += step )
painter.drawLine( ( int )f, LITTLE_MARK_X1, ( int )f, LITTLE_MARK_X2 );
offsetMin = ( e->rect().left() + m_offset ) / m_mediumMarkDistance;
offsetMin = offsetMin * m_mediumMarkDistance;
step = m_scale * m_mediumMarkDistance;
if ( step > 5 )
for ( f = offsetMin - m_offset; f < offsetMax - m_offset; f += step )
painter.drawLine( ( int )f, MIDDLE_MARK_X1, ( int )f, MIDDLE_MARK_X2 );
offsetMin = ( e->rect().left() + m_offset ) / m_bigMarkDistance;
offsetMin = offsetMin * m_bigMarkDistance;
step = m_scale * m_bigMarkDistance;
if ( step > 5 )
for ( f = offsetMin - m_offset; f < offsetMax - m_offset; f += step )
painter.drawLine( ( int )f, BIG_MARK_X1, ( int )f, BIG_MARK_X2 );
// Draw the pointer
int cursorPos = m_tracksView->cursorPos() * m_factor + 0.5 - offset();
QPolygon cursor( 3 );
cursor.setPoints( 3, cursorPos - 8, 15, cursorPos + 8, 15, cursorPos, 30 );
painter.setBrush( QBrush( QColor( 82, 97, 122, 150 ) ) );
painter.setRenderHint(QPainter::Antialiasing, true);
painter.drawPolygon( cursor );
}
/**
\fn GenericAviSaveCopyUnpack::setupVideo
\brief init for unpacker code
*/
uint8_t GenericAviSaveCopyPack::writeVideoChunk (uint32_t frame)
{
uint8_t ret1;
ADMCompressedImage img;
uint32_t oldtimeinc=0;
img.data=vbuffer;
if(!video_body->isReordered(frameStart+frame))
{
ret1 = video_body->getFrameNoAlloc (frameStart + frame,&img);
_videoFlag=img.flags;
}
else
{
ret1=1;
// We prefetch one frame...
if(!frame) // First frame.
{
if(!prefetch(0,frame))
{
return 0;
}
curToggle=0;
}
uint32_t len=0;
ADMBitstream *current,*next;
current=lookAhead[curToggle];
next=lookAhead[curToggle^1];
if(current->flags!=AVI_B_FRAME && current->flags!=1)
{
/* Get its timecode */
if(!getTimeCode(current,time_inc,&oldtimeinc))
{
printf("WARNING cannot get timecode for frame %u\n",frame);
}
}
if(frame+2<_incoming->getInfo()->nb_frames)
{
if( !prefetch(curToggle^1,frame+1))
{
return 0;
}
// Curtoggle holds the current frame, curToggle ^1 hold the next frame
if(current->flags!=1 && current->flags!=AVI_B_FRAME && next->flags==AVI_B_FRAME)
{
aprintf("Packing frame :%u\n",frame);
// We need to pack this
len=current->len;
memcpy(vbuffer,current->data,len);
memcpy(vbuffer+len,next->data,next->len);
len+=next->len;
img.dataLength=len;
// Put nvop in next buffer
putNvop(next,time_inc, oldtimeinc);
next->flags=1; // Mark it as P, so that we can identify it later
}else
{
// Just send
len=current->len;
memcpy(vbuffer,current->data,len);
}
}
else
{
// Last frame
aprintf("Last frame\n");
len= current->len;
memcpy(vbuffer,current->data,len);
}
img.dataLength=len;
if(current->flags==1) current->flags=0; // Remove our marker
_videoFlag=img.flags=current->flags;
if(_videoFlag==AVI_KEY_FRAME)
{
updateUserData(vbuffer,len);
}
curToggle^=1;
}
if (!ret1)
return 0;
if(_videoFlag==AVI_KEY_FRAME)
newFile();
aprintf("Writting frame %u size %u flags %x\n",frame,img.dataLength,_videoFlag);
encoding_gui->setFrame(frame,img.dataLength,0,frametogo);
return writter->saveVideoFrame (img.dataLength, img.flags, img.data);
}
