eessppeelllloo/vimix
1
0
Fork 0
mirror of https://github.com/brunoherbelin/vimix.git synced 2025-12-12 02:40:00 +01:00
Code Issues Packages Projects Releases Wiki Activity

Player timeline for selection

Browse Source 
Selection of media sources now displays in a list with proportional timelines, showing actual play time and cursor on effective timeline with opacity curve.
This commit is contained in:
Bruno
2021-06-13 00:24:45 +02:00
parent 1717c143b2
commit 99ea14fab0
7 changed files with 590 additions and 460 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
Timeline.cpp
View File

@@ -142,6 +142,40 @@ bool Timeline::addGap(GstClockTime begin, GstClockTime end)
return addGap( TimeInterval(begin, end) );
}
bool Timeline::cut(GstClockTime t)
{
bool ret = false;
if (timing_.includes(t))
{
TimeIntervalSet::iterator g = std::find_if(gaps_.begin(), gaps_.end(), includesTime(t));
// cut a gap
if ( g != gaps_.end() )
{
GstClockTime b = g->begin;
gaps_.erase(g);
ret = addGap(b, t);
}
// create a gap
else {
TimeIntervalSet::iterator previous = gaps_.end();
for (g = gaps_.begin(); g != gaps_.end(); previous = g++) {
if ( g->begin > t)
break;
}
if (previous == gaps_.end())
ret = addGap( TimeInterval(timing_.begin, t) );
else {
GstClockTime b = previous->begin;
gaps_.erase(previous);
ret = addGap(b, t);
}
}
}
return ret;
}
bool Timeline::addGap(TimeInterval s)
{
if ( s.is_valid() ) {
@@ -180,6 +214,7 @@ GstClockTime Timeline::sectionsDuration() const
for (auto it = gaps_.begin(); it != gaps_.end(); ++it)
d += (*it).end - (*it).begin;
// remove sum of gaps from actual duration
return duration() - d;
}
@@ -304,6 +339,13 @@ float Timeline::fadingAt(const GstClockTime t) const
return v;
}
size_t Timeline::fadingIndexAt(const GstClockTime t) const
{
double true_index = (static_cast<double>(MAX_TIMELINE_ARRAY) * static_cast<double>(t)) / static_cast<double>(timing_.end);
double previous_index = floor(true_index);
return MINI( static_cast<size_t>(previous_index), MAX_TIMELINE_ARRAY-1);
}
void Timeline::clearFading()
{
// fill static with 1 (only once)