Best way to stream audio from file system

Question

ssp251 OP

Created 1w

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I am trying to stream audio from local filesystem.

For that, I am trying to use an AVAssetResourceLoaderDelegate for an AVURLAsset. However, Content-Length is not known at the start. To overcome this, I tried several methods:

Set content length as nil, in the AVAssetResourceLoadingContentInformationRequest
Set content length to -1, in the ContentInformationRequest

Both of these cause the AVPlayerItem to fail with an error.

I also tried setting Content-Length as INT_MAX, and setting a renewalDate = Date(timeIntervalSinceNow: 5). However, that seems to be buggy. Even after updating the Content-Length to the correct value (e.g. X bytes) and finishing that loading request, the resource loader keeps getting requests with requestedOffset = X with dataRequest.requestsAllDataToEndOfResource = true. These requests keep coming indefinitely, and as a result it seems that the next item in the queue does not get played. Also, .AVPlayerItemDidPlayToEndTime notification does not get called.

I wanted to check if this is an expected behavior or is there a bug in this implementation. Also, what is the recommended way to stream audio of unknown initial length from local file system?

Thanks!

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Answer 1

Engineer OP

Apple

2d

Hello @ssp251, thank you for your post. Do you get the same results with just the relevant code in a small test project? If so, please share a link to your test project. That'll help us better understand what's going on. If you're not familiar with preparing a test project, take a look at Creating a test project.

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