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#rockbox log for 2011-11-30

00:02:23JdGordongeneric pong
00:02:44JdGordonsaratoga_: i tihnk rasher might need to manually fix the database
00:02:48saratoga_ah ok
00:06:48 Quit fyrestorm (Read error: Connection reset by peer)
00:11:06saratoga_i've posted proposed link changes for the front page in FS #12416
00:11:06fs-bluebothttp://www.rockbox.org/tracker/task/12416 3Minor Front Page tweaks (patches, new)
00:11:11saratoga_comments are welcome
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00:57:51JdGordondoes doom resize to fit the screen?
01:00
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01:01:38saratoga_i think so
01:06:31***Saving seen data "./dancer.seen"
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03:06:34***Saving seen data "./dancer.seen"
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04:06:43CIA-10New commit by 03mc2739 (r31096): Text viewer plugin: Fix info viewport font not being set to user selected font
04:08:37CIA-10r31096 build result: 2 errors, 0 warnings (mc2739 committed)
04:12:49CIA-10New commit by 03mc2739 (r31097): Backport r31096 - Text viewer plugin: Fix info viewport font not being set to user selected font
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04:50:30dreamlayersWhat is the difference between firmware/include and firmware/export?
04:55:56JdGordonisnt include more for libc type includes?
04:58:55dreamlayersThere's also firmware/libc/include/, and there's firmware/include/font_cache.h, which definitely isn't libc type stuff.
04:59:46dreamlayersI used to think include was for within the firmware, and export was for exporting to code outside it, but that's not it either.
05:00
05:00:18JdGordonyeah, its very much "do as you please" territory now
05:02:02dreamlayersOne significance of firmware/libc/include is that it's not included when building a sim.
05:06:19JdGordonwhy do we even still have the sim builds as a sperate build?
05:06:38***Saving seen data "./dancer.seen"
05:06:41JdGordonIt seems that the "sim" build shuold really just be a sdl-app build preconfigured with different features and screen size
05:07:52dreamlayersThere are some specifics not used in the app, like remotes and the character-based LCD on the Archos Player.
05:09:55dreamlayersBesides such things, and running from simdisk, I don't think there's much difference between sim and app builds.
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06:39:21jgsprengerhi gang... where can i pick up 310RC0 for e200v1?
06:39:55JdGordoncheck the forums
06:41:30jgsprengerumm ok... thought there was a short cut link somewhere handy...oh well
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07:54:46HaloNachos117Hello, first off, I should say I'm new to IRC. I have a question about the Fuze+ port: How does one lock the Fuze+, so that they don't accidently push buttons while the device it in their pocket. I can't seem to figure this out, although others on the forum have done it. Please help.
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08:33:25JdGordonsooo.... any thoughts on automatic translation for skins? use user would have a single file translations.txt which just lists any they'd want to happen, then any plain string in a skin would check if it is there or an inbuilt translation and use it automagically?
08:33:39JdGordonignoring leading and trailing spaces
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08:58:09wodzJdGordon: are you going to commit m3u handling fix to 3.10 branch also?
09:00
09:06:33JdGordonno, but if you want go you can
09:06:44***Saving seen data "./dancer.seen"
09:08:05wodzI don't have branch checkout
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10:46:51wodzfunman: ping
10:57:28JdGordon\o/ i figured out why the skin image layer patch wasnt working
10:57:35JdGordoni have no idea how to correctly fix it though
10:57:42JdGordonstupid images drawing too often :/
11:00
11:06:47***Saving seen data "./dancer.seen"
11:08:08JdGordongrr.... I got scrolling over the image working, but now a black background for the rest of the viewport instead of the backgronud image
11:08:57JdGordonAND fixed :)
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11:09:26JdGordon[saint]! come back online!!!!
11:11:06wodzJdGordon: what is the overhead of this?
11:11:06 Quit factor (Read error: Connection reset by peer)
11:11:29JdGordonpretty much 0
11:11:37wodzand ram usage impact?
11:11:49JdGordonextra buffer comes from buflib only if the skin calls for it
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11:12:19wodzso you don't allocate additional framebuffers for mixing?
11:13:32JdGordoncorrect. The extra buffer is technically the backdrop buffer for the screen
11:13:47JdGordonthe user will need to load images to draw into it, but they dont have to be the full screen size
11:14:02JdGordonand ~0 waste if your theme doesnt do this
11:15:23wodzok so this is basically the same as flatting wps elements onto backdrop but with the twist
11:15:46JdGordonthats exactly what this is
11:18:25wodzare there other big benefits despite being cool and allow scroll text over images?
11:19:42JdGordonthat's not enough? :)
11:20:24wodzDid I say something like this? :-)
11:20:36JdGordonthis could allow things like dma to speed up fullscreen updates IIUC
11:21:15kugelhow that?
11:21:24wodzyou mean dma to framebuffer or dma to lcd controller?
11:21:44JdGordoni dont know, was it theseven who brought it up last week when i started this?
11:23:16wodzJdGordon: he was talking about double buffering, doesn't he?
11:23:27JdGordonthat too
11:24:39wodzHonestly I can't imagine how this is going to help with dma. Lowlevel driver expects the data in framebuffer[] anyway
11:25:30JdGordonyes, that is one problem with all the drivers, they will need to be changed to deal with a pointer instead of that static array
11:25:49wodzthat is going to be tricky
11:26:03JdGordonwhy?
11:26:28wodzsome framebuffers are located in iram. Iram isn't in buflib pool I guess
11:27:21JdGordonthat just means updates to the backdrop layer will be slower
11:27:22JdGordonthat layer though is never sent to the lcd
11:27:48wodzcoldfires (without dcache) will suffer badly if framebuffer is taken out of iram
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12:09:28JdGordonkugel: ping?
12:15:09dfkti made small images of the clip zip and sansa connect for the themes/manual site - who shoulod i contact to get them up?
12:15:13dfkt*should
12:16:02JdGordonthat would be Zagor or Bagder
12:16:53dfktthanks, both can consider themselves pinged, i guess :)
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12:29:24 Nick kugel is now known as kugelp (~kugel@rockbox/developer/kugel)
12:29:49kugelpJdGordon: pong
12:30:57JdGordonkugelp: what needs to be done to add transparency to an image? it looks like it requires the alpha data straight after the image data, so it cant be added after load for album arT?
12:34:58kugelpit sure can if you reserved/alloc enough space
12:35:38JdGordonwell, aa is stored on the audiobuf, not buflib directly
12:36:43kugelpthat doesn't matter
12:38:00JdGordonok, so i need to unconditioannly overalocate to hack this in?
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12:38:09JdGordonwhat does the alpha buffer look like?
12:39:14kugelpits part of the bitmap data buffer, starting at alpha_offset. 4bit per pixel
12:39:47JdGordon0 is full transparent or full opaquw?
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12:42:26JdGordonok, so i just need to add an extra width*height/2 bytes on the end and memset that to somthing like 0x44 to get 50% transparency?
12:43:17dfktZagor, Bagder - i made pics for the fuze+ and sa9200 too
12:45:24dfktZagor, Bagder - here's the link to all four - http://pastie.org/pastes/2943564/text
12:47:09JdGordonkugelp: do i need to modify anything else in the bmp struct or just the alpha_offset?
12:54:15JdGordonwhy the heck is there screens.bmp_part() and screens.bitmap_part()!!!!
12:59:21*JdGordon woners if he is completly misunderstanding the trasnparency thing
12:59:30JdGordonhttp://imagebin.org/186327
13:00
13:02:16JdGordonnope, just the usual stufup :)
13:03:06JdGordonhttp://imagebin.org/186328 <- 50% AA transparency
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13:06:50***Saving seen data "./dancer.seen"
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13:26:42kugelpJdGordon: see the big comment above the alpha stuff: http://svn.rockbox.org/viewvc.cgi/trunk/firmware/drivers/lcd-16bit-common.c?revision=30966&view=markup
13:27:19kugelpJdGordon: that looks crap :)
13:30:23JdGordonhmm, any raosn bmp->alpha_offset is only checked for > 0?
13:31:50JdGordonapparently not
13:32:06kugelpwhat do you mean?
13:32:29JdGordonI've got the alpha data in a seperate handle which will always be < bmp->data
13:32:50kugelpalpha_offset isnt a pointer, that's not going to work is it?
13:33:07JdGordonexactly, its an offset, so there is no reaosn it cant be < 0
13:33:25kugelpeh
13:33:41kugelpthe reason is that it's supposed to be part of the data buffer
13:33:44JdGordonhttp://pastebin.com/CiiJjZNU
13:34:20JdGordonchange %Cd to %Cd(number) where number is the percentage you want
13:34:53kugelpseems pretty useless to me tbh
13:35:25JdGordonim not necessarily disagreeing
13:35:44kugelpanyway, for constant transparency an extra buffer is pretty wasteful. there should be a viewport field instead probably (like bg_pattern)
13:36:16JdGordonit isnt part of the viewport
13:36:31kugelpor of the bitmap struct
13:36:32JdGordonbut yes, 8K of constant is pretty crap
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13:41:18JdGordonlcd_bitmpa_part_mix() scares me
13:43:29*GodEater_ wonders about the 3.10 regression email
13:43:44GodEater_we haven't released RaaA at all on any platform have we?
13:43:48GodEater_so what's he on about?
13:45:17JdGordonis 0xaa (~66%) called 66% opaque or 66% transparent?
13:46:10 Nick kugelp is now known as kugel (~kugel@rockbox/developer/kugel)
13:46:55kugelJdGordon: is the comment I directed you to unclear?
13:47:10JdGordonhanvt clicked it yet
13:47:33kugelthen do it before asking more questions about the internals please
13:47:45JdGordonYes SIR!
13:47:57GodEater_RTFM!
13:49:44TorneGodEater_: to be fair, that's not a thing a user has much reason to think about. they had an old version that worked better, and a new version that works worse
13:50:22Tornewhether it's "released" or "supported" is ultimately just an explanation for why the developers have chosen not to care about their issue
13:50:26GodEater_right - but I'm wondering where he got something called 3.9 from?
13:50:37GodEater_haha - true that ;)
13:50:48kugelTorne: he's not a user :)
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13:50:56kugelI mean he's also a dev
13:50:57Tornekugel: same thing, though
13:51:03Torneif you're asking someone else then you're a user :)
13:51:26TorneGodEater_: built it himself, or just means "trunk from before 3.10 branched"
13:51:41GodEater_yeah I guess so
13:51:46Tornethe latter is why i want to go for a better versioning system with git
13:51:54Tornesuch that trunk has a version number that makes sense to humans
13:51:57GodEater_talking of which? :)
13:52:06Tornedoing it!
13:52:08Tornesort of.
13:52:13Tornei poked at versioning yesterday for a bit
13:52:17Tornelunchtime, anyway :)
13:52:21GodEater_haha
13:52:23GodEater_enjoy
13:53:03gevaertsTorne, GodEater_: this isn't a user
13:53:16GodEater_I didn't think he was either
13:53:21GodEater_but I didn't know for sure
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13:54:46JdGordonAny objections to adding this AA transparency patch? its a bit of a ram waste, but only if you actually use it
13:54:52JdGordonsomeone can make it better later
13:56:25kugelwell, we've been adding new tags "because we can", why not params as well
13:56:31kugelI don't see it useful in any way
13:57:07kugelbut wouldnt it make more sense in %Cl, instead of %Cd?
13:59:40JdGordonnot necessarily... ideally we'd allow multiple %Cd tags in a skin
13:59:56JdGordonbut also its alot harder to add it to the load tag
14:00
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14:00:15kugelit is?
14:00:51kugelyou can have multiple %Cd, cant you?
14:00:59JdGordon%Cl() already has 2 optional params... and no you cant
14:01:04JdGordonwell, you can, but they wont all work
14:01:37kugelI think you can, and you cannot specifiy a different transparency for each
14:02:20JdGordontrust me, you cant
14:02:29JdGordonand that would be why I'd put it in the cd tag
14:03:04kugelyou cant have conditional viewports with %Cd in each?
14:03:17JdGordoncorrect
14:03:24JdGordonyou can, but they wont work
14:03:29kugelwhy not?
14:03:54JdGordonbecause the aa struct needs the viewport it is to be drawn in
14:04:28JdGordonAA handling needs to be reworked anyway
14:06:15kugelI wonder why it is that way. I would have expected it to work
14:07:16JdGordonbecause images are drawn really stupidly.. which is what I've been bitching about for ages but can't change because it breaks all the cabbies
14:11:05JdGordonthis is for sure pointless without the layering stuff though
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14:47:23kugelJdGordon: cabbie can be fixed
14:47:31kugelthat's a poor excuse :P
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16:32:22funmanwodz: pong
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17:48:52dfktwhat could be the cause for audio balance shifting slightly on sansa ams players when the volume is changed? i.e, cause of a broken ear, i have balance on -9 to the left, and when i change the volume one notch, it shifts a bit to the right, one notch more, and it shifts back to the left
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17:49:33dfktthis happens at various volume levels
17:49:56gevaertsSounds like a rounding issue
17:50:10dfktah, iirc the ams chips can only do 1.5db steps?
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18:18:04funmanbalance is in 1 steps instead of 1.5 ?
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18:27:53wodzfunman: do you know of some guide how to setup and use eda other than geohot's youtube video?
18:28:26funmannope
18:28:47funmanyou have to run eda and point your browser to the port it opens
18:31:06wodzwhat kind of files does it support? elf, plain bin or something preprocessed?
18:32:07funmanprobably bin
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18:37:30funmanwow no Makefile
18:37:41funmanwodz: which version of eda do you build?
18:40:06wodzthe one from the git repo you provided yesterday
18:40:13wodzfunman: this is cmake project
18:41:40funmanthe HEAD doesnt build
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18:43:05wodzfunman: no surprise for project from 2009
18:43:38funmannope it s just that geohot always forget to do git add ...
18:44:16Tornehaha
18:46:42wodzI am kinda interested but today is not good day for me so I leave this for a moment
18:48:40wodzfunman: do you know of particular version/revision which actually works?
18:49:13funmanwodz: i'm trying to fix HEAD~2
18:50:46wodzcan't make linux bch library to produce the same ecc bytes as rk sdk :/
18:51:11funmanwodz: git pull again and check branch fixup
18:52:49wodzcompiles
18:54:30wodzahh it has input file hardcoded in main.cc
18:54:54wodzas well as memmap it appears
18:56:00funmansegfualts for me :/
19:00
19:05:45wodzthere seems to be some earlier project eda-reverse also
19:06:19funmanyep, eda-2 was rewrite of eda-reverse
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19:09:32funman==18215== total heap usage: 528,402 allocs, 55 frees, 186,864,900 bytes allocated
19:10:32wodzslightly unbalanced mallocs and frees :-)
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19:39:24CIA-10New commit by 03pamaury (r31098): fuze+: update keymap and touchpad driver based on FS #12405 with minor modifications. Thanks to Jean-Louis Biasini.
19:41:18CIA-10r31098 build result: 2 errors, 0 warnings (pamaury committed)
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19:45:00CIA-10New commit by 03pamaury (r31099): mkimxboot: remove an unecessary include that will prevent compilation of rbutil
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19:46:39CIA-10r31099 build result: 2 errors, 0 warnings (pamaury committed)
19:47:32CIA-10New commit by 03pamaury (r31100): imx233: add power debug screen
19:49:12CIA-10r31100 build result: 2 errors, 0 warnings (pamaury committed)
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19:55:29gbl08mathanks to the new implementation of some of the math lib functions in LUA for Rockbox, I could now port aeslua to Rockbox with some little modifications
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19:56:25gbl08mabut there's a problem: it looks like when a file is encrypted, it can't be decrypted. perhaps the aes encryption is not valid due to things like math.ceil being used in a fixed-point system
19:56:47gbl08maor else, it's because I'm not writing/reading to the files in binary mode
19:57:50gevaertsI assume we're not allowed to ask questions like "Why do AES in an interpreted language on a slow DAP?"?
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20:08:26gbl08mano you're not. :) but I'll answer: I'm making this for fun, and I wonder how fast it will be. So far, the script could encode rb.txt in less than 10 seconds, which is good :)
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20:11:36gbl08maactually, the script takes more time loading the LUA scripts, than executing them to encrypt the file.
20:16:22gbl08maI made it! I got wrong some variable names, after fixing them, I can now encrypt a 2632 bytes file to AES-128 in less than 5 seconds, and decrypt it back in less than 5 seconds too.
20:17:07gbl08mano data loss, and to the naked eye, the decoded file has the very same content as the original (goes checking with md5 plugin...)
20:18:38gbl08manope... the md5sum is different :(
20:20:19gbl08mahmmm... the decoded file misses 6 letters and one line break, at the end of the file. so, it misses 7 bytes, right?
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20:28:40gbl08maI encoded a BMP file and then decoded it. although Rockbox couldn't read the decoded picture (perhaps because some bytes are missing at the end), the image viewer of Gnome can read it without problems.
20:30:19funmanperhaps gnome is less strict than us, wouldn't surprise me
20:30:33gbl08malooks like the byte loss increases with the file size, the image is 68KB and it lost 14 bytes after having been encoded and decoded
20:30:39dfkt<funman> balance is in 1 steps instead of 1.5 ? <−− not every step on the ams sansas actually change balance, yes. sometimes it's two steps, sometimes it's one - kind of interpolated. markun once started a patch to fix that, but that was maybe a year ago: http://pastie.org/2945613
20:30:54gevaertsgbl08ma: I'd guess it's to do with partial last blocks
20:31:04gevaertsNot with actual filesize as such
20:31:09gbl08maprobably
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20:32:32gbl08mabtw, it took around two minutes to encode or decode the file. obviously, this script would never be used for encrypting sound files
20:33:14gbl08ma(encrypting sound could be useful e.g. on targets with recorder... nobody would be able to read the records without the password)
20:33:58gevaertsYes, but you'd want realtime encrypting then
20:35:24gbl08mawell, people can record and then encrypt. of course, the "secret" would be exposed while you don't encrypt it.
20:37:20gevaertsIt will be exposed until you securely overwrite the disk location
20:38:06gevaertsIf you want this for serious reasons, you want to encrypt before you hit the disk at all
20:38:24gbl08maso, the next step is to write a (LUA? :) ) plugin that fills the empty disk space with zeros :)
20:39:31gevaertsExcept you can't, really, 100%. There are things like remapped bad sectors, the unused bits at the end of FAT clusters, and FTLs
20:39:42gbl08mamy idea for using AES is to keep safe things like the keybox data file. TEA, which is what keybox uses, is not that hard to crack
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20:40:30gbl08maif you are so worried about security that you can't withstand a few (bad) sectors left without being overwritten, you shouldn't use computers in the first place :)
20:40:54gevaertsMaybe :)
20:41:32gevaertsBut if doing things properly isn't too much extra work...
20:42:11gbl08maI'm not sure, but I think the "forgetting bytes" problem is not related with aeslua. perhaps it has something to do with floating point emulation in a fixed point system.
20:42:45funmangbl08ma: are you using floats?
20:43:38gbl08malua uses doubles. lua's bitlib needs to convert everything to a double for providing bitwise operations
20:44:07gbl08maI don't know what doubles are converted to in Rockbox's C lua parser
20:44:50wodzekhm, bitwise operations on doubles?
20:44:59gbl08manor I do know how things like math.ceil are done in Rockbox (they only got implemented in rockbox recently, who committed?)
20:45:42gbl08mahttp://luaforge.net/projects/bitlib/
20:46:07funmanstatic int math_ceil (lua_State *L) { /* Doesn't change anything in fixed point arithmetic */
20:46:18gbl08maok
20:46:22funmani think we simply don't implement float or doubles
20:46:43funmanthe mathlib is actually 2 years old and wasn't touched since initial commit of lua
20:47:40gbl08mabut I don't think it supported all these functions last time I played with LUA on Rockbox: abs ceil deg floor fmod max min rad random randomseed
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20:48:18gbl08maIIRC, it only supported "random" and "randomseed"
20:48:33funmanceil doesn't make sense if you use integers
20:48:51jlbiasiniis there any way to generate the keymaps file for manuals from the one in rockbox? I just spend a whole week-end on mapping all the fuze+ keys noway that I do that again for manuals keymaps. I would even prefen to spend a week on writing an aplication for that!
20:49:02funmanbut it was supported still. rounding of an integer is the integer itself
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20:51:16gbl08mawell, in lua if i use numbers that are not integers, it still works, except that the result is wrong
20:51:29gbl08maI once tried to convert celsius to fahrenheit...
20:51:49gbl08mait couldn't divide 5 by 2 properly, of course
20:52:07funmanjlbiasini: have you looked at model specific files for the manual?
20:52:58jlbiasiniyeah there are thos keymaps-blahblah.tax do you mean those?
20:53:03jlbiasini*.tex
20:58:06funmanes
20:58:08funmanyes
20:59:11jlbiasinithat's the reason I'm asking do I have to write those or are they automaticly generated if I configure something as it should be ?
21:00
21:00:07funmanyou have to write those but writing an automatic generator would be better of course
21:00:38jlbiasinithen I'll do it
21:00:45funman!if you're not sure you can check if the file is versioned, if it is it is not generated
21:01:03funmangit log keymap-sansafuze.tex shows 6 revisions
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21:02:33jlbiasiniI think it must be automaticly generated because I red somewhere that it was the point of have versionned manuals that the keymap get updates
21:02:57jlbiasininow that I remenber it
21:03:43funmanjlbiasini: no it's not, it needs manual modifications
21:03:54funmanand creation of course
21:04:34jlbiasininoway!!!
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21:06:14jlbiasiniso I will investigate on something to have them automaticly generated it might takes mouth
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21:06:52jlbiasinibut the fuze+ is not that advanced anyway we are still missing an installation method for rbutil
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21:07:21jlbiasiniok new task for me \o/
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21:37:42gevaertsunlink_: that looks interesting...
21:37:53*gevaerts pings domonoky and bluebrother^ for this
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21:43:50saratoga_does it happen with the current build?
21:49:56*bluebrother^ appears
21:50:17bluebrother^unlink_: that's on Linux, right?
21:50:45bluebrother^do other statically linked
21:50:49bluebrother^Qt programs work?
21:51:24bluebrother^I'm under the impression that this is caused by some (missing?) Qt configuration and thus it using the wrong fonts
21:51:34bluebrother^unlink_: well, _statically_ linked programs?
21:52:35bluebrother^that doesn't count. It was built on a different setup ;-)
21:53:52bluebrother^hmm. Try running qtconfig-qt4 (or whatever that is named on your system) and check for the font settings.
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21:58:00bluebrother^hmm.
21:58:29bluebrother^I need to check the differences between the two build setup then.
21:58:44bluebrother^in the meantime, since you're on Gentoo building it youself should be the simplest solution :)
22:00
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22:02:02gevaertsWasn't there a theme engine change a while ago that had some impact on progress bars?
22:02:14bluebrother^hmm. Maybe it's fontconfig related like the problem reported here: http://www.qtcentre.org/threads/39586-Font-problem-when-deploying-a-Qt-based-application-to-Ubuntu-10.10
22:03:46*bluebrother^ fires up some VWs
22:03:51bluebrother^*VMs
22:05:51bluebrother^it could indeed be fontconfig related. The old build machine has fontconfig development headers installed while the new one doesn't
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22:06:46bluebrother^the bad thing is that trying that out means I need to rebuild Qt which takes a while
22:07:38bluebrother^well, building Qt usually takes a few hours
22:08:20bluebrother^unlink_: I can build a new binary by tomorrow evening. Interested in showing up here and giving it a try?
22:08:49bluebrother^great
22:10:29bluebrother^broken in what way?
22:10:41bluebrother^ah, found it in the backlog :)
22:11:03bluebrother^does music actually play?
22:11:39bluebrother^strange.
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22:12:05bluebrother^I don't have a real idea on this, I'm not really involved in Rockbox UI code.
22:13:28bluebrother^JdGordon is working on the skin stuff, you can try to catch him
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