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2011-01-04
, 23:25
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Posts: 3 |
Thanked: 3 times |
Joined on Dec 2010
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#82
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Originally Posted by mr id
I'm runnin my device at 900Mhz at a low voltage (xlu?)
Always interested in metrics. What speed are you running your n900 at, and what was the latency you were getting? I know it's sizeable (it's never going to be real-time and pulseaudio has an impact on this as well
This is why you should do the rewrite! Simple code and direct Alsa access.
Originally Posted by mr id
Its maybe a feature request, but that's not important now.
Definitely not a bug, sounds like a feature request to meThanks a lot for the numbers.
No problem, if you need more help on specific tasks as measuring latency and so on, PM me.
I gues tuning pulseaudio would posibly help too. (run htop and sort on +time, and you'll see its on second place after X (opviously)
Originally Posted by mr id
No sorry, we talked about it at work, but I forgot. But i read some others had dissapointing results, it's like someone did that on purpose
As I said I'm pretty sure that the pole ordering is different between the devices but I would love to be proved wrong - did you get a chance yet?
Originally Posted by mr id
NP, as this is a interesting piece of sw
I've also been playing around with HEN mode and USB ADC devices but we're missing some kernel/module magic to get the audio devices registered and available. They enumerate and show up in the logs correctly but they aren't registered for audio (they also burn power at an alarming rate).
Thanks again for your feedback.
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2011-01-08
, 11:23
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Posts: 310 |
Thanked: 202 times |
Joined on Jun 2010
@ Ireland
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#83
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Is it possible to cancel the playback of tracks when you are recording? Would this allow you to record more tracks as the device will only be playing 1? I don't think turning the volume down works as it's still reading it. Just a thought.
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2011-01-31
, 21:46
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Posts: 73 |
Thanked: 24 times |
Joined on Jan 2010
@ Paris
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#84
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Hi ; I can't seem to launch the demorecorder (it's a single executable, right ?) file, I'm always getting a "permission denied" from sh...? (even as root) I'd really like to give it a try
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2011-01-31
, 21:56
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Posts: 237 |
Thanked: 193 times |
Joined on Feb 2010
@ Brighton, UK
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#85
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Originally Posted by xaccrocheur
Where've you got it downloaded to? If it's the Fat32 partition you can't get execute rights. Elsewhere, have you tried 'chmod +x'?
Hi ; I can't seem to launch the demorecorder (it's a single executable, right ?) file, I'm always getting a "permission denied" from sh...? (even as root) I'd really like to give it a try
You could still be without some dependencies after that but shouldn't be a permission denied error.
cheers
Edit: oh and don't run it as root.
Last edited by mr id; 2011-01-31 at 21:59.
| The Following User Says Thank You to mr id For This Useful Post: | ||
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2011-02-01
, 08:25
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Posts: 73 |
Thanked: 24 times |
Joined on Jan 2010
@ Paris
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#86
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Originally Posted by mr id
Arg, I *always* forget about this damn FAT32 thingie
Where've you got it downloaded to? If it's the Fat32 partition you can't get execute rights. Elsewhere, have you tried 'chmod +x'?
You could still be without some dependencies after that but shouldn't be a permission denied error.
cheers
Edit: oh and don't run it as root.
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2011-02-14
, 11:55
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Posts: 237 |
Thanked: 193 times |
Joined on Feb 2010
@ Brighton, UK
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#88
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Originally Posted by xaccrocheur
As soon as I get some free time it will evolve. I've been exploring lot's of related things behind the scenes but have lacked the time to really take things forward. Things should change after a couple of weeks.
Where is demorecorder now ? I tested it and it did what it claimed to to ; Now will it evolve ?
For demorecorder I really need to solve the synch issues - either convert the pipeline to use gnonlin (which is what Filmore uses) or introduce some destructive editing to the wave samples, gnonlin will hit the performance and manipulating the wav source will introduce pauses / delays in the user workflow.
But really it's a case of finding the time. I'm still commited to it - oddly, more so since the nonsense of the last few days from Nokia - and I should see my work schedule easing up in the next few weeks.
| The Following User Says Thank You to mr id For This Useful Post: | ||
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2011-08-28
, 09:16
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Posts: 237 |
Thanked: 193 times |
Joined on Feb 2010
@ Brighton, UK
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#90
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Originally Posted by xaccrocheur
A lot of things have gotten in the way of progress - some relevant, some not - life etc. I spent a lot of time refactoring, looking for improvements for the n900 without really getting anywhere.
Any news of the only multitrack recording solution for maemo ? Does it work under meego as well ?
I am currently working on a multitracker for Harmattan/N9 - as it's a lot more powerful with later versions of Gstreamer et al I'm a lot more optomistic of something that can work for all.
Basically, I'm rewriting from the ground up, in Qt*/C++ using a Gnonlin/Gstreamer back-end. Once it's working for N9/950 I'll take it across to plain Qt/Meego for my netbook/touchscreen and then see if it runs at all on the N900. Who knows we may get lucky.
Sorry, it's not better news for you.
If you want an idea for how I'm simplifying the interface down, here's a wip of the recording screen on the N950. The bottom 3 icons are window tabs to change between Recording/Mixing/Editing views, the 4th is extended options/settings.
Still a way to go. Thank you for your continued interest of course!
* With the move from Gtk to Qt/Qml as the platform of choice for Harmattan Meego using Vala/Gtk isn't really a viable option right now so I can't try a simple recompile and run it on the N950 to compare performance.
Still, development is still ongoing as I get time, should be worth keeping an eye on the thread for updates. There may be something with more functionality later tonight but it's unlikely to address performance directly.
cheers