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eichblatt / litestream

Time Machine live music streaming for microprocessor
GNU General Public License v3.0
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Error in playback loop unsupported types for __lt__: 'NoneType', 'float' #95

Closed eichblatt closed 8 months ago

eichblatt commented 8 months ago

v1.0.5

When attempting to play track 3 (The Shape I'm In) from TheLastWaltzEnsemble 2/22/08, this error was thrown.

The error is thrown immediately when trying to decode the song.

The URL it is trying to play is https://archive.org/download/lwe2008-02-22.peluso.flac16/lwe2008-02-22mtxd1t03.mp3

Track read start
Track 2 decode start
ID3 tag size: 128527
Skipping 32150 bytes
Error in playback loop unsupported types for __lt__: 'NoneType', 'float'
eichblatt commented 8 months ago

The previous commit (4b98243) fixes a bug which was not allowing the full ID3Tag to be skipped, if it was larger than the inBuffer. This solves the error message that we initially saw (unsupported types for lt: 'NoneType', 'float').

But now that we can skip the ID3Tag, we get a Decode Packet Failed error on the same track.

ma261065 commented 8 months ago

Seems similar to this: https://forum.micropython.org/viewtopic.php?t=11653 & https://github.com/pycom/pycom-micropython-sigfox/issues/584

eichblatt commented 8 months ago

Note: We see the same problem on this track: https://archive.org/download/lwe2019-11-22.matrix.flac16/lastwaltz2019-11-22s2t01.mp3

eichblatt commented 8 months ago

Seems similar to this: https://forum.micropython.org/viewtopic.php?t=11653 & pycom/pycom-micropython-sigfox#584

I don't think this is related. The initial error was due to a bug where the decode_chunk function, in some code branches, would return without an argument instead of returning an integer. The calling function expected an integer, compared it to another number and threw this exception.

That problem is fixed, but now the track runs into a Decode Packet failure. Probably because some part of my fix was wrong.

eichblatt commented 8 months ago

Fixed!!