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== Sequencer ==

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Fixed an off by one error in Speed Controller.
If no IPO is present, enlarging the strip will now "stretch" time.
Shrinking doesn't work right now because of stripdata-handling...
This commit is contained in:
Peter Schlaile 2006-12-04 20:00:17 +00:00
parent 1cef024780
commit 0bb1256bf5
1 changed files with 28 additions and 3 deletions
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31
source/blender/src/seqeffects.c
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@ -2842,6 +2842,7 @@ void sequence_effect_speed_rebuild_map(struct Sequence * seq, int force)
float facf0 = seq->facf0;
float ctime, div;
int cfra;
float fallback_fac;
SpeedControlVars * v = (SpeedControlVars *)seq->effectdata;
/* if not already done, load / initialize data */
@ -2859,10 +2860,34 @@ void sequence_effect_speed_rebuild_map(struct Sequence * seq, int force)
v->frameMap = MEM_callocN(sizeof(float) * v->length,
"speedcontrol frameMap");
}
fallback_fac = 1.0;
/* if there is no IPO, try to make retiming easy by stretching the
strip */
if (!seq->ipo && seq->seq1 && seq->seq1->enddisp != seq->seq1->start
&& seq->seq1->len != 0) {
fallback_fac = (float) seq->seq1->len /
(float) (seq->seq1->enddisp - seq->seq1->start);
/* FIXME: this strip stretching gets screwed by stripdata
handling one layer up.
So it currently works by enlarging, never by shrinking!
(IPOs still work, if used correctly)
*/
if (fallback_fac > 1.0) {
fallback_fac = 1.0;
}
}
if ((v->flags & SEQ_SPEED_INTEGRATE) != 0) {
float cursor = 0;
for (cfra = 0; cfra < v->length; cfra++) {
v->frameMap[0] = 0;
for (cfra = 1; cfra < v->length; cfra++) {
if(seq->ipo) {
if((seq->flag & SEQ_IPO_FRAME_LOCKED) != 0) {
ctime = frame_to_float(seq->startdisp
@ -2877,7 +2902,7 @@ void sequence_effect_speed_rebuild_map(struct Sequence * seq, int force)
calc_ipo(seq->ipo, ctime/div);
execute_ipo((ID *)seq, seq->ipo);
} else {
seq->facf0 = 1.0;
seq->facf0 = fallback_fac;
}
seq->facf0 *= v->globalSpeed;
@ -2910,7 +2935,7 @@ void sequence_effect_speed_rebuild_map(struct Sequence * seq, int force)
seq->facf0 *= v->length;
}
if (!seq->ipo) {
seq->facf0 = cfra;
seq->facf0 = (float) cfra * fallback_fac;
}
seq->facf0 *= v->globalSpeed;
if (seq->facf0 >= v->length) {