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Warning: Overlapping range #11545

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daschuer opened this issue May 9, 2023 · 5 comments

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daschuer commented May 9, 2023

Bug Description

I have see this warning when shutting down Mixxx with an m4a file playing:

warning [CachingReaderWorker 1] ReadAheadFrameBuffer - Overlapping range [960 -> 1024) in output buffer [1024 -> 8192) with input buffer [960 -> 1984)

Version

2.4-alpha

OS

Ubunti 20.4 Focal

The text was updated successfully, but these errors were encountered:

daschuer added the bug label

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daschuer commented Jul 21, 2023

This might be related to a bugfix for ffmpeg 4.4 introduced in 2.3.1 here:
#10464
Ubuntu Focal uses ffmpeg 2.2

daschuer added this to the 2.3.6 milestone

daschuer added the regression label

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daschuer commented Jul 21, 2023

I have seen also warnings about a shifted sound start cue along with this issue.

daschuer mentioned this issue

Fix overlapping buffers when decoding m4a files using ffmpeg #11760

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daschuer mentioned this issue

Update changelog for Mixxx 2.3.6 #11784

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ywwg commented Aug 4, 2023

what is the effect of the warning? why is this a blocker for 2.3.6?

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daschuer commented Aug 4, 2023

The effect is that a single chunk is shifted. The overlapping samples are dropped and the gap is filled with silence.

I don't consider it a strict blocker because only older distros are affected, but it is part of the list of regressions, (Introduced in 2.3.1) and we have already a PR for it.

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Swiftb0y commented Aug 8, 2023

closed by #11760

Swiftb0y closed this as completed

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