Re: [mediacapture-main] Does the channelCount attribute support a value greater than 2? (#1021)

This isn't a spec issue.  The issue is implementation, so I imagine this issue will be closed.  But, I want to leave some information and links for you.

At least under Chrome, the maximum channel count has been hardcoded to `2`.  This artificial limitation has been preventing multichannel audio capture since `getUserMedia()` was first implemented.

https://issues.chromium.org/u/1/issues/40403559

https://github.com/chromium/chromium/blob/bc389d32ba642e171682a4af1604e1f34e27a1cc/media/audio/win/audio_low_latency_input_win.cc#L323

You might also find this issue related to bit depth interesting, as the changes needed to support multiple audio channels are basically the same as what's needed to modify for IEEE_FLOAT support.  https://issues.chromium.org/u/1/issues/354625679

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Received on Friday, 22 November 2024 07:52:09 UTC