#9930 NORM Not Tri: Scratch cannot record
Zarro Boogs per Child
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Thu Jan 14 18:29:36 EST 2010
#9930: Scratch cannot record
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Reporter: sayamindu | Owner: cscott
Type: defect | Status: new
Priority: normal | Milestone: Not Triaged
Component: scratch-activity | Version: 1.5 Software Build os64 aka 10.1.0
Resolution: | Keywords:
Next_action: design | Verified: 0
Deployment_affected: | Blockedby:
Blocking: |
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Comment(by Quozl):
I've since explored the ALSA API a bit further; in addition to choosing a
rate that the card supports (or accepting the ALSA resampling via plughw),
the application must also (a) keep up with reading the data from ALSA
during recording, never falling behind, and (b) exactly keep up with
writing data during playback. So if the rates are defined in the
application, they might also be used for timing of PCM read and write; if
so they must match across the application.
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Ticket URL: <http://dev.laptop.org/ticket/9930#comment:7>
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