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Fix T79357: VSE crash on prefetching when performing cuts 

Caused by {rBa1a333a1e92e}

`BKE_sequencer_prefetch_get_original_sequence` cant get a sequence in
`BKE_sequencer_cache_put`.

rBa1a333a1e92e moved multiple NULL checks (including the one checking
seq) above BKE_sequencer_prefetch_get_original_sequence (this should
never return NULL really, but this is for another fix).

So solution suggested by @ISS is to just stop prefetching all together
before changing content of seqbase.

Maniphest Tasks: T79357

Differential Revision: https://developer.blender.org/D8421
This commit is contained in:
Philipp Oeser 2020-07-29 15:02:44 +02:00
parent 9cac158e96
commit ff1d599172
Notes: blender-bot 2023-02-14 06:55:40 +01:00 
Referenced by issue #79357, Blender VES crashing when performing cuts in Video/Audio strips
1 changed files with 2 additions and 0 deletions
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source/blender/editors/space_sequencer/sequencer_edit.c
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@ -2337,6 +2337,8 @@ static int sequencer_split_exec(bContext *C, wmOperator *op)
split_side = RNA_enum_get(op->ptr, "side");
ignore_selection = RNA_boolean_get(op->ptr, "ignore_selection");
BKE_sequencer_prefetch_stop(scene);
if (split_hard == SEQ_SPLIT_HARD) {
changed = split_seq_list(bmain,
scene,