[PD-dev] Pd timing on Android
chrism
chris at mccormick.cx
Fri May 14 04:23:12 CEST 2010
Hi Hans,
Cool, thanks. Which one contains the build which you are referring to with
the too-fast timing issues?
Chris.
On Thu, 13 May 2010 21:18:31 -0400, Hans-Christoph Steiner <hans at at.or.at>
wrote:
> Right now, the code is kind of in two places. Currently we are
> working from this mercurial repo:
>
> http://code.google.com/p/pdportable/
>
> But the rjdj files and pd files are here:
>
>
https://pure-data.svn.sourceforge.net/svnroot/pure-data/branches/by-author/eighthave/pd-mobile-0.43
>
> .hc
>
> On May 13, 2010, at 8:31 PM, chrism wrote:
>
>> Hi Hans,
>>
>> Is this using the audio driver that interfaces with the JRE calls
>> which
>> fill the hardware buffers via Java? If so, one thing to double-check
>> is
>> whether those buffers are actually being filled only when they are
>> empty,
>> not just constantly filled even when they don't need to be. Is there
>> somewhere I can look at the code?
>>
>> Chris.
>>
>> On Thu, 13 May 2010 14:40:12 -0400, Hans-Christoph Steiner
>> <hans at at.or.at
>> >
>> wrote:
>>> Sounds like that's the problem. [metro 1000] to [realtime] is
>>> giving me
>>> 150-200ms. This is with -nosound. Any ideas where to look?
>>>
>>> .hc
>>>
>>> Miller Puckette wrote:
>>>> Hi Hans -
>>>>
>>>> if it even misbehaves with -nosound most likely the OS isn't waking
>>>> Pd up reliably. A test would be to try the "realtime" object to
>>>> see if
>>>> Pd is getting the time correctly from Android -- relevant for the
>>>> -nosound
>>>> case. If so I can't see why Pd wouldn't run "on time" unless it
>>>> simply
>>>> bogs the CPU down (uses 600% of CPU time).
>>>>
>>>> cheers
>>>> Miller
>>>>
>>>> On Sun, May 09, 2010 at 01:21:39PM -0400, Hans-Christoph Steiner
>>>> wrote:
>>>>> So I have Pd running on Android, and am currently testing the
>>>>> timing.
>> I
>>>>> made a simple [metro 1000]--[print] and I seem to be getting 3-6
>>>>> bangs
>>>>> per second. The audio API stuff isn't entirely worked out, and I
>>>>> seem
>>>>> to recall some relation between the audio I/O and timing.
>>>>>
>>>>> Any ideas why the timing might be so off? I've tried with both -
>>>>> noadc
>>>>> and -nosound as well, and got more or less the same result.
>>>>>
>>>>> .hc
>>>>>
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