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modified Playlist::valid() to allow overlapping playlist elements

This commit is contained in:
fgerlits 2005-02-23 17:29:14 +00:00
parent 3cc14cc556
commit f60920dee7
1 changed files with 22 additions and 20 deletions
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42
livesupport/modules/core/src/Playlist.cxx
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@ -22,7 +22,7 @@
Author : $Author: fgerlits $
Version : $Revision: 1.30 $
Version : $Revision: 1.31 $
Location : $Source: /home/paul/cvs2svn-livesupport/newcvsrepo/livesupport/modules/core/src/Playlist.cxx,v $
------------------------------------------------------------------------------*/
@ -497,33 +497,35 @@ Playlist::removePlaylistElement(Ptr<UniqueId>::Ref playlistElementId)
bool
Playlist::valid(void) throw ()
{
Ptr<time_duration>::Ref runningTime(new time_duration(0,0,0,0));
Ptr<PlaylistElement>::Ref playlistElement;
Ptr<AudioClip>::Ref audioClip;
Ptr<Playlist>::Ref playlist;
time_duration runningTime(0,0,0,0);
PlaylistElementListType::const_iterator it = elementList->begin();
while (it != elementList->end()) {
playlistElement = it->second;
if (*runningTime != *(playlistElement->getRelativeOffset())) {
Ptr<PlaylistElement>::Ref playlistElement = it->second;
if (playlistElement->getType() == PlaylistElement::PlaylistType
&& !playlistElement->getPlaylist()->valid()) {
return false;
}
if (playlistElement->getType() == PlaylistElement::AudioClipType) {
audioClip = playlistElement->getAudioClip();
*runningTime += *(audioClip->getPlaylength());
} else if (playlistElement->getType()
== PlaylistElement::PlaylistType) {
playlist = playlistElement->getPlaylist();
if (!playlist->valid()) {
return false;
}
*runningTime += *(playlist->getPlaylength());
} else { // this should never happen
return false;
time_duration relativeOffset = *playlistElement->getRelativeOffset();
if (runningTime < relativeOffset) {
return false; // found a gap in the playlist
}
time_duration endTime =
relativeOffset
+ *playlistElement->getPlayable()->getPlaylength();
if (endTime > runningTime) {
runningTime = endTime;
}
++it;
}
setPlaylength(runningTime); // fix playlength, if everything else is OK
Ptr<time_duration>::Ref playlength(new time_duration());
*playlength = runningTime;
setPlaylength(playlength); // fix playlength, if everything else is OK
return true;
}