CEP and multi-stream files: how to know which stream a clip points to

Explorer ,
Feb 21, 2022 Feb 21, 2022

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Hi, I'm working with a MXF file that contains three streams: 1 video track, 2 audio tracks. Premiere creates three clips when I drag the MXF file over the sequence window: one for the video, two for the audio: so far so good.

 

At this point I need to determine which audio stream *in the original MXF file* the two audio clips refers to. In other words: given an audio clip on the timeline, I want to know which audio stream it points to in the MXF. 


I could not find such info in the clip object (app.project.activeSequence.audioTracks[...]...). I got very close by querying ProjectItem.getAudioChannelMapping, but it only tells me how many clips are associated to the project item. 

 

Any clues? Thanks in advance

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Audio , SDK

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correct answers 1 Correct answer

Adobe Employee , Feb 22, 2022 Feb 22, 2022
There's no good way to accomplish that, using PPro's ExtendScript API.

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Adobe Employee ,
Feb 22, 2022 Feb 22, 2022

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There's no good way to accomplish that, using PPro's ExtendScript API.


 

 

 

 

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Explorer ,
Feb 23, 2022 Feb 23, 2022

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Thanks @Bruce Bullis for the reply. Too bad this is not possible. More generally, is there a way to obtain the audio from a clip? The actual data, I mean. That would solve the problem I'm facing right now. 

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Adobe Employee ,
Feb 23, 2022 Feb 23, 2022

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Only C++ Exporter plug-ins transcoding (not encoding, as in a sequence) would get access to the non-interpreted, non-filtered, original audio data.

 

Tell me more about the workflow(s) you'd like to support, and I may be able to provide better guidance.

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