use speed value instead of media out value

This functions more or less identically to using a media out value, but the
desired speed is preserved through block length changes, even if the block's
length is reduced to zero (i.e. no rounding errors).
This commit is contained in:
itsmattkc
2020-01-06 15:21:27 +11:00
parent 31b60664a7
commit dae09abf45
12 changed files with 79 additions and 191 deletions
+7 -34
View File
@@ -1,6 +1,8 @@
#include "transition.h"
TransitionBlock::TransitionBlock()
TransitionBlock::TransitionBlock() :
connected_out_block_(nullptr),
connected_in_block_(nullptr)
{
out_block_input_ = new NodeInput("out_block_in", NodeParam::kBuffer);
out_block_input_->set_is_keyframable(false);
@@ -9,9 +11,6 @@ TransitionBlock::TransitionBlock()
in_block_input_ = new NodeInput("in_block_in", NodeParam::kBuffer);
in_block_input_->set_is_keyframable(false);
AddInput(in_block_input_);
// A block's length must be greater than 0
set_in_and_out_offset(1, 1);
}
Block::Type TransitionBlock::type() const
@@ -35,38 +34,12 @@ void TransitionBlock::Retranslate()
in_block_input_->set_name(tr("To"));
}
void TransitionBlock::set_length_and_media_out(const rational &length)
rational TransitionBlock::in_offset() const
{
Q_UNUSED(length)
qCritical() << "Set length is not permitted on a transition";
abort();
return 0;
}
void TransitionBlock::set_length_and_media_in(const rational &length)
rational TransitionBlock::out_offset() const
{
Q_UNUSED(length)
qCritical() << "Set length and media in is not permitted on a transition";
abort();
}
const rational &TransitionBlock::in_offset() const
{
return in_offset_;
}
const rational &TransitionBlock::out_offset() const
{
return out_offset_;
}
void TransitionBlock::set_in_and_out_offset(const rational &in_offset, const rational &out_offset)
{
in_offset_ = in_offset;
out_offset_ = out_offset;
RecalculateLength();
}
void TransitionBlock::RecalculateLength()
{
Block::set_length_and_media_out(in_offset_ + out_offset_);
return 0;
}