void AssTransformFramerateFilter::TransformFrameRate(AssFile *subs) {
if (!Input->IsLoaded() || !Output->IsLoaded()) return;
for (auto& curDialogue : subs->Events) {
line = &curDialogue;
newK = 0;
oldK = 0;
newStart = trunc_cs(ConvertTime(curDialogue.Start));
newEnd = trunc_cs(ConvertTime(curDialogue.End) + 9);
// Process stuff
auto blocks = line->ParseTags();
for (auto block : blocks | agi::of_type<AssDialogueBlockOverride>())
block->ProcessParameters(TransformTimeTags, this);
curDialogue.Start = newStart;
curDialogue.End = newEnd;
curDialogue.UpdateText(blocks);
}
}
void AssTransformFramerateFilter::TransformFrameRate(AssFile *subs) {
if (!Input->IsLoaded() || !Output->IsLoaded()) return;
for (entryIter cur=subs->Line.begin();cur!=subs->Line.end();cur++) {
AssDialogue *curDialogue = dynamic_cast<AssDialogue*>(*cur);
if (curDialogue) {
line = curDialogue;
newK = 0;
oldK = 0;
newStart = trunc_cs(ConvertTime(curDialogue->Start));
newEnd = trunc_cs(ConvertTime(curDialogue->End) + 9);
// Process stuff
curDialogue->ParseASSTags();
curDialogue->ProcessParameters(TransformTimeTags, this);
curDialogue->Start = newStart;
curDialogue->End = newEnd;
curDialogue->UpdateText();
curDialogue->ClearBlocks();
}
}
}
void AssTransformFramerateFilter::TransformTimeTags(std::string const& name, AssOverrideParameter *curParam, void *curData) {
VariableDataType type = curParam->GetType();
if (type != VariableDataType::INT && type != VariableDataType::FLOAT) return;
AssTransformFramerateFilter *instance = static_cast<AssTransformFramerateFilter*>(curData);
AssDialogue *curDiag = instance->line;
int parVal = curParam->Get<int>();
switch (curParam->classification) {
case AssParameterClass::RELATIVE_TIME_START: {
int value = instance->ConvertTime(trunc_cs(curDiag->Start) + parVal) - instance->newStart;
// An end time of 0 is actually the end time of the line, so ensure
// nonzero is never converted to 0
// Needed here rather than the end case because start/end here mean
// which end of the line the time is relative to, not whether it's
// the start or end time (compare \move and \fad)
if (value == 0 && parVal != 0) value = 1;
curParam->Set(value);
break;
}
case AssParameterClass::RELATIVE_TIME_END:
curParam->Set(instance->newEnd - instance->ConvertTime(trunc_cs(curDiag->End) - parVal));
break;
case AssParameterClass::KARAOKE: {
int start = curDiag->Start / 10 + instance->oldK + parVal;
int value = (instance->ConvertTime(start * 10) - instance->newStart) / 10 - instance->newK;
instance->oldK += parVal;
instance->newK += value;
curParam->Set(value);
break;
}
default:
return;
}
}
