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Questions - avmutableaudiomixinputparameters

MTAudioProcessingTap - prepare{} and process{} callbacks are not executing

I am working on loading a (local) movie into AVPlayer and applying processing to the audio track with an audioTapProcessor. So far I've found great GitHub examples here, here, and here. I'm using the ...
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eefanatic

swift

avfoundation

avplayer

avplayeritem

avmutableaudiomixinputparameters

Votes: 0

Answers: 1

Latest Answer

You need to create an AVPlayer player = AVPlayer(playerItem: playerItem) and then at some point start it playing: player.play() Then the prepare and process callbacks will be called.
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Rhythmic Fistman

How to convert a cumulative total over time values into actual daily values in Tableau?

I am working on a cumulative dataset and I need to convert cumulative values to daily values of the same column. I did it with creating a calculated field, but, the first row's value is missed. Becaus...
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Ayda

tableau-api

tableau-desktop

avmutableaudiomixinputparameters

Votes: 0

Answers: 1

Latest Answer

Samkart is broadly leaning in the correct direction, though I'd probably go with a logic statement that utilises Index() rather than First() First(), Last() and Index() are all row sequencers: Index(...
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Steve Martin

is there any way to calculate the desired formula in tableau?

a dataset with 2 columns activity 1 and activity 2 , only TRUE and FALSE is written in both these columns , this says whether the activity is done or not . so true is if its done and false is if its ...
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Kushagra Bhatnagar

tableau-api

calculated-field

tableau-desktop

avmutableaudiomixinputparameters

Votes: 0

Answers: 1

Latest Answer

If you want to know what percentage of records show Activity 1 as True (completed) and assuming Activity 1 is never null, then you could define a calculated field as: SUM(INT([Activity 1])) / COUNT([A...
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Alex Blakemore

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