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Auto Detect Cuts

New Here ,
Mar 30, 2015

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Hello,

I don't know if anyone can suggest a workflow or solution; but I'm trying to find the best way to automatically detect scene cuts from one original piece of media.

Essentially I have one video 'mix' down layer with various shots and cuts in and embedded audio.  Is there a painless way to analyse this clip and auto detect where the cuts are to save doing it all by hand/eye - if I want to add cuts to seperate all the various shots again.

I do not have access to original EDLs or cut information, simply this one video clip.

Any help or advice is much apreciated!

Simon

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Correct answer by Roei_Tzoref | Most Valuable Participant
I tried Magnum edit but I can't figure out a proper workflow.

1. bring the clip to Ae. (import->file)

2. run magnum with default "split into new layers"

3. copy composition from the project panel (Ctrl+C) to premiere's project panel (Ctrl+V) and it will convert it to premiere sequence with the edited cuts.

if you are already in premiere and want to take a round trip:

1. delete the audio track

2. copy the sequence from the project panel (Ctrl+C)

3. paste in the project panel of Ae. now you will have a composition, open it.

4. turn on audio for the layer

5. run magnum with default "split into new layers"

6. copy the composition from the project panel (Ctrl+C)

7. paste it in premiere project panel (Ctrl+V)

now you have the sequence cut to clips. you can delete the old sequence.

guess this is what we have until the good folks at the Premiere team will add the scene detection feature that worked in speedgrade but is virtually quite useless because you can't use it.

if you are reading this please submit a feature request so we will be heard: Feature Request/Bug Report Form

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Auto Detect Cuts

New Here ,
Mar 30, 2015

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Hello,

I don't know if anyone can suggest a workflow or solution; but I'm trying to find the best way to automatically detect scene cuts from one original piece of media.

Essentially I have one video 'mix' down layer with various shots and cuts in and embedded audio.  Is there a painless way to analyse this clip and auto detect where the cuts are to save doing it all by hand/eye - if I want to add cuts to seperate all the various shots again.

I do not have access to original EDLs or cut information, simply this one video clip.

Any help or advice is much apreciated!

Simon

Most Valuable Participant
Correct answer by Roei_Tzoref | Most Valuable Participant
I tried Magnum edit but I can't figure out a proper workflow.

1. bring the clip to Ae. (import->file)

2. run magnum with default "split into new layers"

3. copy composition from the project panel (Ctrl+C) to premiere's project panel (Ctrl+V) and it will convert it to premiere sequence with the edited cuts.

if you are already in premiere and want to take a round trip:

1. delete the audio track

2. copy the sequence from the project panel (Ctrl+C)

3. paste in the project panel of Ae. now you will have a composition, open it.

4. turn on audio for the layer

5. run magnum with default "split into new layers"

6. copy the composition from the project panel (Ctrl+C)

7. paste it in premiere project panel (Ctrl+V)

now you have the sequence cut to clips. you can delete the old sequence.

guess this is what we have until the good folks at the Premiere team will add the scene detection feature that worked in speedgrade but is virtually quite useless because you can't use it.

if you are reading this please submit a feature request so we will be heard: Feature Request/Bug Report Form

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Mentor ,
Mar 30, 2015

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‌i have never had a need for it to see what it does, or even at the machine to confirm it, but I believe SpeedGrade has an Auto Scene Detect. I wonder if that could be incorporated somehow to give you what you want in regards to adding cuts at those spots.

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LEGEND ,
Mar 30, 2015

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I think even with an automatic solution, you'd still need to go through and check each cut anyway.  Rather than waiting on an answer, the work would probably get done faster if you just go ahead and do it manually.  It's probably the only way to know for sure you've got all the scene cuts in the right place.

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Community Beginner ,
Mar 30, 2015

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Hi Si

Interesting that you raise this point because I have had some problems based around what you are describing.

You can create a Speedgrade project and import a flattened video file (say Prores) to then automate the cut up. Under the Colour tab / Setup / Timeline options you should see 'Scene Change Detect' on the right hand side, it takes a while to analyse the content but places edits when it finds a clip change - perfect. The issue I have is that you can't send the timeline into Premiere (because the project wasn't originated from Premiere in the first place) So why not start off in Premiere I hear you ask? Because if you directlink from Premiere -> Speedgrade the Scene Change Detect function is not available, that's really frustrating!

I'm trying to cut up a flattened video file in Premiere with an EDL but so far no luck... lots of question marks on the file icons. If I could get that to work I could then directlink to Speedgrade and properly finish my show. The online and grade relationship needs to be improved between the two applications.

Any tips would be welcome?

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Mentor ,
Mar 30, 2015

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‌i was afraid of that.

My quickest response is to write down the Timecode from SpeedGrade and manually add into Premiere.

My other thoughts need to be worked at while on a machine, but probably the best way is manual Premiere without writing down data from SpeedGrade. I thought of in Premiere to expand the video track so you see the thumbnails and do by timeline sight. And I also thought of viewing thumbnails through Bridge, but that might only apply to my DNG sequences that I am familiar viewing through Bridge with.

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Advocate ,
Mar 31, 2015

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‌resolve has the best free scene detector.

I use it to get notched files to avid via aaf but I'm sure I managed to do the same to Pr in the past

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Advocate ,
Mar 31, 2015

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‌a quick search revealed (notch V1 with cuts on V2)that an aaf from resolve imported to Pr was not enough and I had to use a workaround to get the cuts onto the clip in a timeline.

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Mentor ,
Mar 31, 2015

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would saving as an EDL in Speedgrade work?

I can't get Speedgrade to save as an edl though after running Scene Change Detect. In Speedgrade Setup, right under Save IRCP, my Save EDL is greyed out. But if one could save the edl of the clip cut up by Scene Change Detect it should help.

Can't even copy and paste timecode in Speedgrade like I can in Premiere.

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Explorer ,
Sep 02, 2016

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As a news editor who works with news agencies material, I would hugely benefit from such a feature. Maybe the OP should post a feature request ?

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Adobe Employee ,
Sep 02, 2016

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Fred: The OP posted this In March 2015. Why don't you request it now?

Feature Request/Bug Report Form

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Guide ,
Sep 02, 2016

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magnum edit detector in AE dynamic link into premiere

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Explorer ,
Sep 06, 2016

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Thanks, I just did the feature request.

I tried Magnum edit but I can't figure out a proper workflow. I send the clip to AE from PP, let Magnum work, it then splits the clip into several layers, I come back to PP, but the splits don't appear.

Edit : I don't know if there is a better way, but I just selected the "trimmed pre-comp" option in Magnum and then exported from AE as a PP project, then imported the resulting project in PP and there I do get separated nested clips.

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Most Valuable Participant ,
Dec 29, 2016

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I tried Magnum edit but I can't figure out a proper workflow.

1. bring the clip to Ae. (import->file)

2. run magnum with default "split into new layers"

3. copy composition from the project panel (Ctrl+C) to premiere's project panel (Ctrl+V) and it will convert it to premiere sequence with the edited cuts.

if you are already in premiere and want to take a round trip:

1. delete the audio track

2. copy the sequence from the project panel (Ctrl+C)

3. paste in the project panel of Ae. now you will have a composition, open it.

4. turn on audio for the layer

5. run magnum with default "split into new layers"

6. copy the composition from the project panel (Ctrl+C)

7. paste it in premiere project panel (Ctrl+V)

now you have the sequence cut to clips. you can delete the old sequence.

guess this is what we have until the good folks at the Premiere team will add the scene detection feature that worked in speedgrade but is virtually quite useless because you can't use it.

if you are reading this please submit a feature request so we will be heard: Feature Request/Bug Report Form

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Most Valuable Participant ,
Dec 29, 2016

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magnum edit detector in AE dynamic link into premiere

can't see how dynamic link would do you any good because you want the cuts and not the Ae composition...

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Explorer ,
Dec 29, 2016

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Thank you, very nice, an enjoyable improvement over the workflow I had described. If we could have audio and video linked, in my opinion it would then be perfect.

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Most Valuable Participant ,
Dec 29, 2016

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Yes I wish importing a sequence with audio from premiere would not mean you get a separate layer for the each audio clip making this messy. the only workaround I know is to delete the audio layer in Premiere before you copy/import (you can undo right after).

If you just copy pasted or imported a sequence, you can of course just delete all of the audio layers in Ae by shift selecting from the first to the last it only takes a few seconds. an don't forget to toggle the audio switch for the video obviously.

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Explorer ,
Jan 07, 2017

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the only workaround I know is to delete the audio layer in Premiere before you copy/import (you can undo right after).

If you just copy pasted or imported a sequence, you can of course just delete all of the audio layers in Ae by shift selecting from the first to the last it only takes a few seconds. an don't forget to toggle the audio switch for the video obviously.

Sorry, I don't get how you would get linked audio and video in your cut clips in Premiere after the trip to AE doing that.

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Most Valuable Participant ,
Jan 07, 2017

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Sorry, I don't get how you would get linked audio and video in your cut clips in Premiere after the trip to AE doing that.

in Ae toggle the audio switch for the video (I wrote "don't forget to...") so it will be ON

2. detect cuts through magnum

3. now when you copy paste the Composition to Premiere project panel or drag and drop or import - you will get cuts and both video and audio tracks.

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Explorer ,
Jan 09, 2017

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Indeed I do have both tracks, but audio and video in Premiere are not linked, as they were before the trip to AE : for example, if you click on the video, the audio doesn't get selected, and vice versae.

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Most Valuable Participant ,
Jan 09, 2017

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I see. I missed the "linked" part. it appears it does not import as linked anyway you try to import video+audio Ae->Pr. guess it's manual linking each cut... this should be an already built in feature to bring them as linked.

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Advocate ,
Jan 09, 2017

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Just tried that out and it works well enough to be worth £32!

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Most Valuable Participant ,
Jan 09, 2017

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just something I realized now but you don't have to delete the audio if it is linked in Premiere  ... Ae will get a video layer with the audio turned on. if the audio is not linked then you would get separate audio layer... and unfortunately as vilrockerdefer mentioned - it does not work the other way around meaning Ae video layer with audio will always come to premiere as unlinked video + audio

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Adobe Community Professional ,
Jan 06, 2017

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An alternative is using Scene Cut Detection in the free version of Resolve and export the resulting a FCP7 XML to Premiere Pro.

It is either Magnum or Resolve until our friends at the Premiere team add the scene detection feature for Sg into Pr.

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