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nodes: rewrote and simplified length signaling system

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This commit is contained in:
itsmattkc
2021-07-15 21:00:18 -07:00
parent 8350ce300f
commit 4bbc75392a
20 changed files with 148 additions and 241 deletions
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app/node/output/track/track.cpp
+12 -49
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@@ -41,8 +41,6 @@ const QString Track::kMutedInput = QStringLiteral("muted_in");
Track::Track() :
track_type_(Track::kNone),
track_length_(0),
midop_track_length_(0),
preop_track_length_(0),
index_(-1),
locked_(false)
{
@@ -431,7 +429,7 @@ QVector<Block *> Track::BlocksAtTimeRange(const TimeRange &range) const
return list;
}
void Track::InvalidateCache(const TimeRange& range, const QString& from, int element)
void Track::InvalidateCache(const TimeRange& range, const QString& from, int element, InvalidateCacheOptions options)
{
if (GetOperationStack() != 0) {
return;
@@ -443,7 +441,8 @@ void Track::InvalidateCache(const TimeRange& range, const QString& from, int ele
if (from == kBlockInput
&& element >= 0
&& (b = dynamic_cast<const Block*>(GetConnectedOutput(from, element).node()))) {
&& (b = dynamic_cast<const Block*>(GetConnectedOutput(from, element).node()))
&& !options.value(QStringLiteral("lengthevent")).toBool()) {
// Limit the range signal to the corresponding block
if (range.out() <= b->in() || range.in() >= b->out()) {
return;
@@ -451,11 +450,14 @@ void Track::InvalidateCache(const TimeRange& range, const QString& from, int ele
limited = TimeRange(qMax(range.in(), b->in()), qMin(range.out(), b->out()));
} else {
limited = TimeRange(qMax(range.in(), rational(0)), qMin(range.out(), qMax(preop_track_length_, track_length())));
preop_track_length_ = track_length_;
limited = range;
}
Node::InvalidateCache(limited, from, element);
// NOTE: For now, I figure we drop this key, but we may find in the future that it's advantageous
// to keep it
options.remove(QStringLiteral("lengthevent"));
Node::InvalidateCache(limited, from, element, options);
}
void Track::InsertBlockBefore(Block* block, Block* after)
@@ -600,15 +602,6 @@ void Track::Hash(const QString &output, QCryptographicHash &hash, const rational
}
}
void Track::EndOperation()
{
super::EndOperation();
if (track_length_ != midop_track_length_) {
SetLengthInternal(midop_track_length_);
}
}
void Track::SetMuted(bool e)
{
SetStandardValue(kMutedInput, e);
@@ -658,21 +651,10 @@ int Track::GetCacheIndexFromArrayIndex(int index) const
return block_array_indexes_.indexOf(index);
}
void Track::SetLengthInternal(const rational &r, bool invalidate)
void Track::SetLengthInternal(const rational &r)
{
// Hold track length until operation stack is empty
midop_track_length_ = r;
if (GetOperationStack() == 0 && track_length_ != r) {
TimeRange invalidate_range(track_length_, r);
track_length_ = r;
preop_track_length_ = qMax(preop_track_length_, track_length_);
emit TrackLengthChanged();
if (invalidate) {
Node::InvalidateCache(invalidate_range, kBlockInput);
}
}
track_length_ = r;
emit TrackLengthChanged();
}
void Track::BlockLengthChanged()
@@ -680,26 +662,7 @@ void Track::BlockLengthChanged()
// Assumes sender is a Block
Block* b = static_cast<Block*>(sender());
rational old_out = b->out();
UpdateInOutFrom(blocks_.indexOf(b));
rational new_out = b->out();
TimeRange invalidate_region(qMin(old_out, new_out), track_length());
// The cache won't start while dragging, so we store up our invalidations if it's held down
// and release them once the mouse is no longer pressed
if (qApp->mouseButtons() & Qt::LeftButton) {
block_length_pending_invalidations_.insert(invalidate_region);
} else if (!block_length_pending_invalidations_.isEmpty()) {
foreach (const TimeRange& r, block_length_pending_invalidations_) {
Node::InvalidateCache(r, kBlockInput);
}
block_length_pending_invalidations_.clear();
}
Node::InvalidateCache(invalidate_region, kBlockInput);
}
uint qHash(const Track::Reference &r, uint seed)