Rockbox

  • Status Closed
  • Percent Complete
    0%
  • Task Type Bugs
  • Category Music playback
  • Assigned To
    Linus Nielsen Feltzing
  • Operating System
  • Severity Very Low
  • Priority Defer
  • Reported Version
  • Due in Version Undecided
  • Due Date Undecided
  • Votes
  • Private
Attached to Project: Rockbox
Opened by Anonymous Submitter - 2002-10-25
Last edited by Jonas Häggqvist - 2005-08-27

FS#474 - Pitch adjust,effect on tmr/progress bar?

The pitch adjust feature on the Recorder is great -
running at 50% makes transcribing those tricky solos
much easier, and less fiddly than messing around with
dual-speed tape decks…

However, the elapsed time counter continues to count
in real time when the pitch is adjusted (up or down). The
progress bar also shows this symptom. The elapsed
time and the progress bar should reflect the position in
the file.

Closed by  Björn Stenberg
2006-03-18 21:25
Reason for closing:  Out of Date
Admin
Linus Nielsen Feltzing commented on 2002-11-06 18:44

That is really difficult to accomplish, since the timer shows how long the song has been playing, and not the actual position in the mpeg stream.

Anonymous Submitter commented on 2002-11-07 08:48

Hmmm… I thought you must know where you were in the file
because of the fast forward/fast reverse functions. Does that
mean the time displayed when using those functions is an
estimate?

If it's not possible, as an alternative, it would be useful to be
able to identify the start and end points of a section one
wants to play at adjusted pitch and then loop that section.

Admin
Linus Nielsen Feltzing commented on 2002-11-07 12:36

Yes, it is an estimate. When fast forwarding and rewinding, we calculate
the position in the song, but when playing, the timer runs
independently.

We are considering a kind of synchronization
mechanism that can recalculate the time based on how many bytes
have been played, but that will fail miserably on VBR files.

Jonas Häggqvist commented on 2005-08-27 22:54

Is this still valid? Does the timer still always run in real
time regardless of pitch setting?

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