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Fix #126167: Speed effect does not interpolate frame numbers

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Only convert frame number to integer when image interpolation is not
used.

Pull Request: https://projects.blender.org/blender/blender/pulls/129839
This commit is contained in:
Richard Antalik
2024-11-06 05:39:30 +01:00
committed by Richard Antalik
parent b05e932ec6
commit 6ee1eb49be
1 changed files with 8 additions and 2 deletions
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10
source/blender/sequencer/intern/render.cc
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@@ -873,8 +873,14 @@ static ImBuf *seq_render_effect_strip_impl(const SeqRenderData *context,
for (i = 0; i < 2; i++) {
/* Speed effect requires time remapping of `timeline_frame` for input(s). */
if (input[0] && seq->type == SEQ_TYPE_SPEED) {
int target_frame = floor(
seq_speed_effect_target_frame_get(scene, seq, timeline_frame, i));
float target_frame = seq_speed_effect_target_frame_get(scene, seq, timeline_frame, i);
/* Only convert to int when interpolation is not used. */
SpeedControlVars *s = reinterpret_cast<SpeedControlVars *>(seq->effectdata);
if ((s->flags & SEQ_SPEED_USE_INTERPOLATION) != 0) {
target_frame = std::floor(target_frame);
}
ibuf[i] = seq_render_strip(context, state, input[0], target_frame);
}
else { /* Other effects. */