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Old 04-08-2022, 04:21 AM   #1
BenjyO
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Default [6.55] Flickering waveforms appearing in razor edits in envelope lane(s) (FIXED)

EDIT: Ranamed the thread because the issue reappeared in 6.55.
Original post's title:
"[6.53] Flickering waveforms appearing in razor edits in envelope lane(s)"


Original post:

Please see the gif below for a first impression:


This issue can tax performance of the whole GUI when you have a lot of razor edits in the envelope lane(s). I experienced significant GUI lags because of this and it can be annoying.

Here's, what I'm doing, my workflow and why this issue matters to me:
I'm editing an audiobook where I listen to the audio and while listening I make razor edits on the media item line (usually on silent parts which I want to shorten). These edits I eventually cut out using the "Item: Cut selected area of items" action while having ripple editing enabled so that later items close the gaps. I also have a volume-pre FX envelope opened where I also make draw razor edits while listening (in the same listening pass). In these edits I eventually lower the volume envelope down. After I do that, I delete all envelope razor edits for the selected track (with a script) and then I use the above-mentioned action to delete contents of the remaining razor edits in the media item lane. When I do that a couple of times, the issue as demonstrated in the gif above starts to happen and compounds the longer my listening passes are and the more razor edits I have in the envelope lane(s).

Steps to reproduce:
1. Load up an item on a track.
2. Enable loop source.
3. Extend the item for 10 minutes for example.
4. Enable ripple editing.
5. Open any kind of envelope for that track (I use the volume pre-fx but it happens with others too).
5. Draw a dozen razor edits over the media item (not on the envelope lane yet) and then use the action "Item: Cut selected area of items".
6. Now start drawing razor edits on the envelope lane. Don't draw just one or a few, but a dozen or a few dozen. Try to lower or raise the envelope segment in one of these edits.
7. Zoom out and in a bit - that's when the glitches usually start to appear.
8. If they don't appear yet, repeat steps 5, 6 and 7 one or two more times.

I couldn't reproduce the issue if I skipped step 4 meaning later items/portions of items weren't moved forward. I believe that the issue is somehow connected to that.

As mentioned above, this usually happens only after a significant number of razor edits are drawn. I'd like to keep this workflow because it allows me to work in longer uninterrupted passes and then in one fell swoop I edit envelopes and/or shorten audio segments.

Edit: I forgot to mention: There's an intersting thing that happens in the gif - When I draw a razor edit in the media item lane that's contiguous to one of those in the envelope lane, the flickering stops but when I delete it, it resumes.
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Last edited by BenjyO; 04-25-2022 at 12:08 AM.
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Old 04-08-2022, 06:40 AM   #2
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Thank you for the excellent bug report, fixing!
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Old 04-08-2022, 07:10 AM   #3
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Thank you for the excellent bug report, fixing!
Thank you!
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Old 04-24-2022, 11:50 PM   #4
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I'm on 6.55 now and unfortunately this problem is back:



For what it's worth: I'm working with very long .wav files (dialogue that was recorded in one take) and this particular file is approx. 1h50min long. I have done hundreds of edits in the manner described above.

I'll try to replicate the bug with a fresh project and report back.
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Old 04-25-2022, 12:04 AM   #5
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Ok. I succesfully replicated the bug with a fresh project:
1. I imported a .wav file that is 5 min long.
2. Enabled loop source and "stretched" it to about 2 hours.
3. Inserted around 70 razor edits on the media item lane (short edits that are the length of silences in between sentences)
4. Enabled ripple editing.
5. Used the "Item: Cut selected area of items" action.
6. Started drawing razor edits (a couple dozen) in the Volume (Pre-FX) envelope lane and the flickering appears again.

So the steps to reproduce are pretty much the same as written in my initial post.
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Last edited by BenjyO; 04-25-2022 at 01:05 AM. Reason: Forgot to add the "ripple editing enable" step
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Old 04-25-2022, 01:00 AM   #6
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Just tested on a portable install of 6.54 and I could reproduce it there too. It looks like I missed it in 6.54. So this bug is still with us

I'll gladly provide any more information if needed to fix this.
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Old 05-17-2022, 08:53 AM   #7
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Quote:
Originally Posted by BenjyO View Post
Ok. I succesfully replicated the bug with a fresh project:
1. I imported a .wav file that is 5 min long.
2. Enabled loop source and "stretched" it to about 2 hours.
3. Inserted around 70 razor edits on the media item lane (short edits that are the length of silences in between sentences)
4. Enabled ripple editing.
5. Used the "Item: Cut selected area of items" action.
6. Started drawing razor edits (a couple dozen) in the Volume (Pre-FX) envelope lane and the flickering appears again.

So the steps to reproduce are pretty much the same as written in my initial post.
If you save the project following step 5, quit REAPER, re-open REAPER, load the project, can you reproduce starting at step 6?

If so: give us the .rpp!

In either case: reaper.ini would also be good.

Last edited by Justin; 05-17-2022 at 09:27 AM.
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