/**
\fn removeChunk
\brief
*/
bool ADM_EditorSegment::removeChunk(uint64_t from, uint64_t to)
{
uint32_t startSeg,endSeg;
uint64_t startOffset,endOffset;
ADM_info("Cutting from %"PRIu64" to %"PRIu64" ms\n",from/1000,to/1000);
dump();
if(false==convertLinearTimeToSeg( from,&startSeg,&startOffset))
{
ADM_warning("Cannot get starting point (%"PRIu64" ms\n",from/1000);
return false;
}
if(false==convertLinearTimeToSeg( to,&endSeg,&endOffset))
{
ADM_warning("Cannot get starting point (%"PRIu64" ms\n",from/1000);
return false;
}
ADM_info("Start, seg %"PRIu32" Offset :%"PRIu64" ms\n",startSeg,startOffset);
ADM_info("End , seg %"PRIu32" Offset :%"PRIu64" ms\n",endSeg,endOffset);
ListOfSegments tmp=segments;
if(startSeg==endSeg)
{
// Split the seg int two..
segments.insert(segments.begin()+startSeg+1,*getSegment(startSeg));
endSeg=startSeg+1;
}
_SEGMENT *first=getSegment(startSeg);
// Span over several seg...
// 1- shorten the start segment..
first->_durationUs=startOffset;
// 3- Shorten last segment
_SEGMENT *last=getSegment(endSeg);
last->_refStartTimeUs+=endOffset;
last->_durationUs-=endOffset;
// 2- Kill the segment in between
for(int i=startSeg+1;i<endSeg;i++)
{
segments.erase(segments.begin()+startSeg+1);
}
updateStartTime();
removeEmptySegments();
if(isEmpty())
{
GUI_Error_HIG(QT_TRANSLATE_NOOP("adm","Error"),QT_TRANSLATE_NOOP("adm","You cannot remove *all* the video\n"));
segments=tmp;
updateStartTime();
return false;
}
undoSegments.push_back(tmp);
dump();
return true;
}
/**
* \fn pasteFromClipBoard
* \brief instert clipboard at currentTime position
* @param currentTime
* @return
*/
bool ADM_EditorSegment::pasteFromClipBoard(uint64_t currentTime)
{
if(clipboardEmpty())
{
ADM_info("The clipboard is empty, nothing to do\n");
return true;
}
ADM_info("Pasting from clipboard to %s\n",ADM_us2plain(currentTime));
uint32_t startSeg;
uint64_t startSegTime;
convertLinearTimeToSeg( currentTime, &startSeg,&startSegTime);
ListOfSegments tmp=segments;
ListOfSegments newSegs;
int n=segments.size();
for(int i=0;i<n;i++)
{
_SEGMENT s=segments[i];
if(i==startSeg)
{
// insert clipboard
// Do we need to split it ?
if(currentTime==s._startTimeUs)
{
// nope
for(int j=0;j<clipboard.size();j++) newSegs.push_back(clipboard[j]);
}else
{
_SEGMENT pre=s,post=s;
uint64_t offset=currentTime-s._startTimeUs;
pre._durationUs=offset;
post._refStartTimeUs+=offset;
post._durationUs-=offset;
newSegs.push_back(pre);
for(int j=0;j<clipboard.size();j++) newSegs.push_back(clipboard[j]);
newSegs.push_back(post);
continue;
}
}
newSegs.push_back(s);
}
segments=newSegs;
// If a video doesn't start at zero and we paste to its first frame,
// we end up with an empty segment at the beginning. Remove it.
removeEmptySegments();
updateStartTime();
dump();
return true;
}
/**
\fn truncateVideo
\brief Remove a part of the video from the given time to the end
*/
bool ADM_EditorSegment::truncateVideo(uint64_t from)
{
uint32_t startSeg;
uint64_t startOffset;
ADM_info("Truncating from %" PRIu64" ms\n",from/1000);
dump();
if(false==convertLinearTimeToSeg(from,&startSeg,&startOffset))
{
ADM_warning("Cannot get starting point for linear time %" PRIu64" ms\n",from/1000);
return false;
}
ADM_info("Start in segment %" PRIu32" at offset :%" PRIu64" ms\n",startSeg,startOffset);
ListOfSegments tmp=segments;
_SEGMENT *first=getSegment(startSeg);
_VIDEOS *vid=getRefVideo(first->_reference);
uint64_t padding=vid->timeIncrementInUs/2;
// shorten the start segment
first->_durationUs=startOffset+padding;
// remove following segments
int n=segments.size();
for(int i=startSeg+1;i<n;i++)
{
segments.erase(segments.begin()+startSeg+1);
}
removeEmptySegments();
updateStartTime();
if(isEmpty())
{
GUI_Error_HIG(QT_TRANSLATE_NOOP("adm","Error"),QT_TRANSLATE_NOOP("adm","You cannot remove *all* the video\n"));
segments=tmp;
updateStartTime();
return false;
}
dump();
return true;
}
