bool Scene::setProfile( Profile &p )
{
bool ok = true;
double duration = profile.getVideoFrameDuration();
profile = p;
double margin = profile.getVideoFrameDuration() / 4.0;
if ( duration != profile.getVideoFrameDuration() ) {
duration = profile.getVideoFrameDuration();
for ( int i = 0; i < tracks.count(); ++i ) {
Track *t = tracks[i];
for ( int j = 0; j < t->clipCount(); ++j ) {
Clip *c = t->clipAt( j );
c->setFrameDuration( duration );
double newPos = nearestPTS( c->position(), duration );
if ( !c->getTransition() && j > 0 ) {
Clip *prev = t->clipAt( j - 1 );
if ( newPos < prev->position() + prev->length() - margin )
newPos = prev->position() + prev->length();
c->setPosition( newPos );
}
else if ( canMove( c, c->length(), newPos, i ) )
move( c, i, newPos, i );
else
ok = false;
}
}
}
return ok;
}
bool Scene::canSplitClip(Clip *clip, int track, double pts)
{
double margin = profile.getVideoFrameDuration() / 4.0;
pts = nearestPTS( pts, profile.getVideoFrameDuration() );
double start = clip->position();
if (clip->getTransition()) {
start += clip->getTransition()->length();
}
double end = clip->position() + clip->length();
Track *t = tracks[track];
int cc = t->clipCount();
int index = t->indexOf(clip);
if (index > -1 && index < cc - 1) {
Clip *next = t->clipAt(index + 1);
if (next->getTransition()) {
end -= next->getTransition()->length() + profile.getVideoFrameDuration();
}
}
return (pts > start + profile.getVideoFrameDuration() - margin
&& pts < end - profile.getVideoFrameDuration() + margin );
}
Clip* Scene::sceneSplitClip( Clip *clip, int track, double pts )
{
pts = nearestPTS( pts, profile.getVideoFrameDuration() );
double start = clip->position();
if (clip->getTransition()) {
start += clip->getTransition()->length();
}
double end = clip->position() + clip->length();
Track *t = tracks[track];
int cc = t->clipCount();
int index = t->indexOf(clip);
Transition *tail = NULL;
Clip *next = NULL;
if (index > -1 && index < cc - 1) {
next = t->clipAt(index + 1);
if (next->getTransition()) {
end -= next->getTransition()->length() + profile.getVideoFrameDuration();
tail = new Transition(next->getTransition());
}
}
double oldLength = clip->length();
double newLength = pts - clip->position();
resize( clip, newLength, track );
Clip *nc = createClip( clip->getSource(), pts, clip->start() + newLength, oldLength - newLength );
double newPos = nc->position();
nc->setPosition( newPos );
FilterCollection *fc = FilterCollection::getGlobalInstance();
for ( int i = 0; i < clip->videoFilters.count(); ++i ) {
QSharedPointer<GLFilter> f = clip->videoFilters.at( i );
for ( int j = 0; j < fc->videoFilters.count(); ++j ) {
if ( fc->videoFilters[ j ].identifier == f->getIdentifier() ) {
QSharedPointer<Filter> nf = fc->videoFilters[ j ].create();
GLFilter *gf = (GLFilter*)nf.data();
if ( nf->getIdentifier() == "GLCustom" ) {
GLCustom *gc = (GLCustom*)gf;
gc->setCustomParams( f->getParameters().last()->value.toString() );
}
else if ( nf->getIdentifier() == "GLStabilize" ) {
GLStabilize *gs = (GLStabilize*)gf;
gs->setSource( nc->getSource() );
}
f->splitParameters( gf, newLength );
nf->setPosition( nc->position() );
nf->setLength( nc->length() );
nc->videoFilters.append( nf.staticCast<GLFilter>() );
break;
}
}
}
for ( int i = 0; i < clip->audioFilters.count(); ++i ) {
QSharedPointer<AudioFilter> f = clip->audioFilters.at( i );
for ( int j = 0; j < fc->audioFilters.count(); ++j ) {
if ( fc->audioFilters[ j ].identifier == f->getIdentifier() ) {
QSharedPointer<Filter> nf = fc->audioFilters[ j ].create();
AudioFilter *af = (AudioFilter*)nf.data();
f->splitParameters( af, newLength );
nf->setPosition( nc->position() );
nf->setLength( nc->length() );
nc->audioFilters.append( nf.staticCast<AudioFilter>() );
break;
}
}
}
addClip( nc, track );
if (tail) {
next->setTransition(tail);
}
return nc;
}