Linux-audio-user November 2009

linux-audio-user@lists.linuxaudio.org

160 participants
143 discussions

Re: [LAU] OT: online music promition/what do you think of bandcamp?

by sonofzev＠iinet.net.au

Bandcamp looks cool.. However it's a lot of work to maintain your own site e.t.c.. but they offer a great service... I would definitely buy stuff from people who use them.. I still prefer to work through a label (I currently have been releasing through IF? Records and Elektrax Music), albeit very small and independent, but they are prepared to devote time to promotion image e.t.c... which between my full time work and trying to produce music I don't have the time to do... On Wed Nov 18 21:09 , Robert Jonsson sent: >Hi Atte, > >2009/11/18 Atte André Jensen <atte.jensen(a)gmail.com> > >To bring the original topic back: > > > >Would you then buy something off bandcamp (provided the thing you were > >looking for was available there)? > > > >There you can have flac, but would the flashplayer (I assume it's flash, > >here it Just Works) throw you off? > > > >NB: I'm trying to talk you into buying my stuff, I'm just talking in a > >general sense, trying to understand peoples motivations. > >Not sure it was a general question but it does deserve a general reply. > >The answer for me is probably no. I guess I am getting old. > >I do buy lots of physical media, cds, but I have a really hard time convincing myself to buy stuff distributed purely electronically... it just feels so... fragile. Like what I'm about to buy is just air... > >Though, since many of these services are free to use, bandcamp, thesixtyone, slice the pie ( bandcamp is free right?), I don't see the harm in investing some time in putting up music there. > > >I would however additionally setup an "own" page where you offer to sell physical cds and link this from the respective sites. Not that I have, but I would ;) > >/Robert > >

16 years, 1 month

[LAU] Zyn not recognised

by Marco Castorina

Dear all, I managed to install zyn-1, but when I try to open it with zynjacku, it doesn't find it as a plugin. I tried to rescan more than one time, but with no results. If I open lv2rack, it recognize the plugin, but of course it crashes if I try to open it. I had no problem during building. Do I need to modify something in ttl description? zynjacku is at the latest version, 5. Thank as usual, Marco Send instant messages to your online friends http://uk.messenger.yahoo.com

16 years, 1 month

Re: [LAU] further emagic woes

by Clemens Ladisch

David Woodhouse wrote: > On Tue, 2009-11-17 at 09:01 +0100, Clemens Ladisch wrote: > > David, do you have any clue what could be going on? > > Not really The code bytes disassemble to the following: f80d2460: 31 db xor %ebx,%ebx f80d2462: 8b 4d e8 mov -0x18(%ebp),%ecx f80d2465: 8b 55 e4 mov -0x1c(%ebp),%edx f80d2468: 8b 45 e0 mov -0x20(%ebp),%eax f80d246b: c7 44 24 04 a5 00 00 movl $0xa5,0x4(%esp) f80d2472: 00 f80d2473: 89 34 24 mov %esi,(%esp) f80d2476: e8 94 fb ff ff call f80d208a f80d247b: 85 c0 test %eax,%eax f80d247d: 0f 88 21 03 00 00 js f80d2827 f80d2483: 85 f6 test %esi,%esi f80d2485: 0f 84 9c 00 00 00 je f80d25b2 f80d248b: 8b 0b mov (%ebx),%ecx <-- crash here f80d248d: 31 f6 xor %esi,%esi f80d248f: 0f c9 bswap %ecx f80d2491: 85 db test %ebx,%ebx f80d2493: 89 4d e4 mov %ecx,-0x1c(%ebp) f80d2496: 74 ca je f80d2462 f80d2498: 0f b7 43 04 movzwl 0x4(%ebx),%eax f80d249c: 0f b7 d0 movzwl %ax,%edx The offending command is obviously line 157 of emi62.c. > this driver was using the same type of 'hex records' before we > touched it. rec being NULL is how the ihex helper functions signal the end of the firmware data; the old driver just had a harmless empty record. emi26.c uses just "rec" as outer loop condition; that ought to work. HTH Clemens

16 years, 1 month

Re: [LAU] further emagic woes

by Der Mickster

Hey - thanks for such a prompt response! Sorry, got the flu bug here, or the flu hog, or whatever, so my head is anything but clear at the moment. Of course. The whole output. 2009/11/17 David Woodhouse <dwmw2(a)infradead.org>: > On Tue, 2009-11-17 at 09:01 +0100, Clemens Ladisch wrote: >> >> > [ 16.216094] EIP: 0060:[<f812c48c>] EFLAGS: 00010206 CPU: 0 >> > [ 16.216099] EIP is at emi62_load_firmware+0x33c/0x740 [emi62] >> >> This is kernel crash, probably due to a bug in the firmware loader. >> Please also show a few more lines before this. > > ... including the line which said what that actual problem was, perhaps? > A NULL pointer dereference? At what address? Here's the full dmesg output: http://pastebay.com/70284 > Also 'list *emi_load_firmware+0x33c' in gdb so we know precisely which > line. Tried to comply, but dbg responds as follows: "No symbol table is loaded. Use the "file" command." Is there anything I'm missing? Haven't used the debugger before *sheepish grin*. Eh, wasn't that a name of a robot species in Chrono Trigger? There was also a weaker type called "bugger", no less; used to crack me up all the time back in the day (note to self: well done, smeghead, just keep on hiding your inability to make heads or tails of the dbg manual behind an array of irrelevant associations to all sorts of things generally associated with geekdom, and no one will ever notice, evvah) >> David, do you have any clue what could be going on? > > Not really -- this driver was using the same type of 'hex records' > before we touched it. Apply this, and maybe we'll see a little bit more > clearly what's going on... > > diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c > index 602ee05..e370715 100644 > --- a/drivers/usb/misc/emi62.c > +++ b/drivers/usb/misc/emi62.c > @@ -130,6 +130,8 @@ static int emi62_load_firmware (struct usb_device *dev) <...> Erm, can't seem to find the file to patch. The last kernel came out of the box; haven't built a more compact version of my own as to yet (still need to figure out whether the rt patches are included in the latest unstable version, or constitute a branch of their very own). Guess the headers won't do, then, will they? Thanks for expressing such willingness to help, at any rate, and sorry for not coming across as the sharpest biscuit in this'ere crayon box. It's all that smeg in me head. Smeg flu, that's what it is. A new strain. And a perfect excuse for passing off me general ignorance as a temporary condition based on justifiable physiological premises, wot loik. Dunno if the kernel config is of any interest or use to anyone here, but here it is just in case: http://pastebay.com/70287 http://pastebay.com/70288 Will gladly find and post any data I can find, provided I can find it. And thanks again. Over/out, Pope Mickey XLII of Two Curry Stains, Three Vindaloo Blotches and One Zarked-Up Kernel Module.

16 years, 1 month

[LAU] Zoom H-4 noisy ?

by Svend-Erik Kjær Madsen

Hi I bought a Zoom H-4 for recording my bands practice sessions, but I found out that it could serve as a soundcard too, nice :) but there is a problem, when i connect there is some constant high humming background noise :) Has anyone experience with the recorders soundcard setup ? Or is it something due to the USB ? Thanks for reading. /Sv-e

16 years, 1 month

Re: [LAU] [LAA] Ubuntu Studio 9.10 Karmic Koala

by Ivica Ico Bukvic

How come the linuxaudio.org mirror (http://download.linuxaudio.org) is not any more updated with newer releases? Last version available on there is 7.04 which is truly enchant. What do we need to do to jumpstart this thing again? I presume this would be something you guys would want to explore, particularly considering that the hosting/bandwidth are effectively free... Ico

16 years, 1 month

[LAU] best FLAC player?

by Aaron L.

Hi all. What are people using to play FLAC files? Seems like every player I've tried so far does not reliably play them (Amarok, Songbird, etc). Thanks! -Aaron

16 years, 1 month

[LAU] further emagic woes

by Der Mickster

It's like this: No matter what the kernel (2.6.28 to 2.6.32-rc7), the emagic a6|2m card just doesn't want to play along with the rest of the OS. Haven't got the foggiest, really - tried so many suggestions, all to no avail. This is the part of dmesg where things get hairy: [ 16.216094] EIP: 0060:[<f812c48c>] EFLAGS: 00010206 CPU: 0 [ 16.216099] EIP is at emi62_load_firmware+0x33c/0x740 [emi62] [ 16.216103] EAX: 0000015c EBX: 00000000 ECX: f735a1b0 EDX: c1c31c80 [ 16.216106] ESI: 0000015c EDI: f6155d5c EBP: f6183e18 ESP: f6183dd8 [ 16.216110] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 preempt:00000000 [ 16.216114] Process modprobe (pid: 1161, ti=f6182000 task=f735a1b0 task.ti=f6182000) [ 16.216117] Stack: [ 16.216119] 0000015c 000000a5 c023e26d f6183e28 f711a864 f61ed8c0 f6330340 f61fe380 [ 16.216126] <0> f711a800 00008fe0 f6155c00 f8234986 f6330340 f711a800 f6582fa0 f812d0e0 [ 16.216134] <0> f6183e38 f812c8d0 f812caa4 f812cab8 f6582fa0 f812c914 f64aa600 f64aa61c [ 16.216142] Call Trace: [ 16.216153] [<c023e26d>] ? sysfs_addrm_finish+0x3d/0xf0 [ 16.216162] [<f812c8d0>] ? emi62_probe+0x40/0x50 [emi62] [ 16.216171] [<c041a16a>] ? usb_probe_interface+0x8a/0x160 [ 16.216176] [<c023eb32>] ? sysfs_create_link+0x12/0x20 [ 16.216182] [<c03a7020>] ? really_probe+0x50/0x140 [ 16.216186] [<c0418e41>] ? usb_match_id+0x41/0x60 [ 16.216191] [<c03a7129>] ? driver_probe_device+0x19/0x20 [ 16.216195] [<c03a71a9>] ? __driver_attach+0x79/0x80 [ 16.216201] [<c03a6628>] ? bus_for_each_dev+0x48/0x70 [ 16.216205] [<c03a6ee9>] ? driver_attach+0x19/0x20 [ 16.216209] [<c03a7130>] ? __driver_attach+0x0/0x80 [ 16.216213] [<c03a687f>] ? bus_add_driver+0xbf/0x2c0 [ 16.216217] [<c03a7435>] ? driver_register+0x65/0x120 [ 16.216223] [<c0419754>] ? usb_register_driver+0x84/0x100 [ 16.216230] [<c019c512>] ? tracepoint_module_notify+0x22/0x30 [ 16.216236] [<f813001b>] ? emi62_init+0x1b/0x33 [emi62] [ 16.216242] [<c010112c>] ? do_one_initcall+0x2c/0x190 [ 16.216249] [<f8130000>] ? emi62_init+0x0/0x33 [emi62] [ 16.216256] [<c0178801>] ? sys_init_module+0xb1/0x1f0 [ 16.216262] [<c010333c>] ? syscall_call+0x7/0xb [ 16.216265] Code: 31 db 8b 4d e8 8b 55 e4 8b 45 e0 c7 44 24 04 a5 00 00 00 89 34 24 e8 94 fb ff ff 85 c0 0f 88 21 03 00 00 85 f6 0f 84 9c 00 00 00 <8b> 0b 31 f6 0f c9 85 db 89 4d e4 74 ca 0f b7 43 04 0f b7 d0 89 [ 16.216306] EIP: [<f812c48c>] emi62_load_firmware+0x33c/0x740 [emi62] SS:ESP 0068:f6183dd8 [ 16.216314] CR2: 0000000000000000 [ 16.216318] ---[ end trace 11b84c1d4378ede5 ]--- As for physical indicators (apart from the absence of sound / inaccessibility of the card) - well, the red led lights up instead of the green ones, and it stays lit. Under normal circumstances it is supposed to flash up for a few seconds before it is replaced by the green leds, which indicate that the firmware is loaded and the card is functional. What could possibly be wrong? So utterly exasperating. Mick, a headache and a half.

16 years, 1 month

Re: [LAU] [fluid-dev] Fwd: Re: Fluidsynth, soundfonts, jack, and latency

by Guru Prasad

Thanks, everyone, for the replies... Quoting David Henningsson <launchpad.web(a)epost.diwic.se>: > >> >> So to sum this up I think there is not one scapegoat here, but many: >> >> 1) FluidSynth could have better protection against many notes starting >> at the same time, but that requires some redesign unfortunately >> >> 2) Jack could handle timing errors better, so things do not crash when >> it happens >> >> 3) You could configure fluidsynth's polyphony to limit FluidSynth's CPU >> usage >> >> // David >> > David, this appears to be a reasonable summary. It does appear that the issue is not solely with fluidsynth, but the way fluidsynth and jack integrate with one another. Are such shortcomings inevitable in the "do 1 thing but do it well" philosophy of linux apps (I hope not!) ? For instance, it does appear unlikely that this would happen in an 'all-purpose' applicaton like Apple's Logic Pro, for example... > This sounds like it could be a good focus of the next major version of > FluidSynth. > > I would love to see that, Josh. For those of us who use linux in live performances, it can't happen soon enough! And thanks, Pedro, for forwarding my message to the fluid-dev list. I'd be happy if constructive improvements follow as a consequence! I will perform the stress test under the standardized/simplified conditions that you describe, and get back to you. More about that in the next post.... Cheers, Guru

16 years, 1 month

[LAU] Search for a sf2-soundfont >8 MB, GM, free license

by Nils

Hi all, I search for a sf2 soundfont which has a complete GM set, is around 8 MB in size or smaller and (important part) is free to distribute in a Debian sense. This means it has to be license-compatible with a GPL program so it can be distributed, copied, modified and selled together. I know the internet is full of GM-sf2 files, but like often when moving through a windows-controlled domain they don't care about giving the proper license and a written "free" means only "without cost". So do you know one? Thanks, Nils http://www.denemo.org

16 years, 1 month

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Linux-audio-user November 2009