Vinyl control crashes in absolute mode (Mixxx 1.8 Beta2, r2447)

[mixxxbot]

Reported by: raffitea Date: 2010-06-27T12:25:17Z Status: Fix Released Importance: High Launchpad Issue: lp599012

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Using vinyl control along with absolute mode causes a crash in Mixxx.

Fatal: []: ASSERT: "start_sample >= 0" in file src\engine\readaheadmanager.cpp, line 60

I used Serato control vinyls. The crash can be reproduced as follows:

1. Set lead in time to 20 s
2. Load a song and drop the needle down
3. If the neddle is in the lead in area and you try to scratch Mixxx crashes. In other words: Drop the needle down such that Mixxx is at ---let's say --- play position 5s. Spinning back the vinyls below position 0s cause the crash

Tested on Windows XP and 7 with NI Audio 4 DJ at 5ms latency on Dual Core 2 Duo with 1.67 Ghz and 2.67 Ghz

[mixxxbot]

Commented by: raffitea Date: 2010-06-27T19:09:04Z

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The bug happens only with pitch-independent time-stretch

[mixxxbot]

Commented by: raffitea Date: 2010-06-27T19:33:21Z

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However, using vinyl emulation mode I get a similar crash for a couple of songs

Fatal: []: ASSERT: "start_sample >= 0" in file src\engine\readaheadmanager.cpp, line 60

The songs can be provided on request...

[mixxxbot]

Commented by: raffitea Date: 2010-06-27T19:57:42Z

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After cleaning the needles, viny control has worked fine in vinyl emulation mode. All my former "problem songs" work now. However, such a crash should be avoided in final 1.8 series

[mixxxbot]

Commented by: esbrandt Date: 2010-06-27T21:10:20Z

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A lot of improvements has been made in Owens xwax branch https://code.launchpad.net/~mixxxdevelopers/mixxx/features_xwax

Tested some times ago and found a really stable ( with Serato timecode, some timing problems with Traktor though).

Might be worth to check out...

[mixxxbot]

Commented by: asantoni Date: 2010-07-18T03:51:39Z

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Should be fixed in the 1.8 branch, r2477.

[mixxxbot]

Issue closed with status Fix Released.