Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
thefloatformathas only24bitsofmantissa,soifyouareafterprecision,youarebetteroff using32-bitintegers. Besidesanything,floatingpointmathisknowntobegenerallymoreflexible andhavesimplermath thatmeanssimpleralgorithms,it'sjustthewayproaudiooutthere representthedata.Weshould considerthisbesidesanypreferenceortechnicalimplementation.Personally ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
BeforeallthankstoallforreplyingI'mhavingmyownreflectionsonthe argumentandthat'sveryfine. Themainreasonfordoingfloatingpointmathisrelatedtoprecision, ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
6février201616:43DarioCasalinuovob.vitruvio@xxxxxxxxxaécrit: themediakitthen? Thatsoundslikeajobforthesystemmixertome,andthesystemmixerisa medianode. WhatImeanisthatnotnecessarilyeveryneedofthegame_kitshouldbe handledbythemedia_kit. I.E.doesn'tharmifthegame_kithadit'sownnodedoingtheappropriate conversions. ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
What'syourplanformixingtheoutputofthegamekitwiththeoutput fromthemediakitthen?Thatsoundslikeajobforthesystemmixertome, andthesystemmixerisamedianode. WhatImeanisthatnotnecessarilyeveryneedofthegame_kitshouldbe handledbythemedia_kit.I.E.doesn'tharmifthegame_kithadit'sown nodedoingtheappropriateconversions. ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
game_kitneedsshould haveanythingtodowithmedia_kitones. What'syourplanformixingtheoutputofthegamekitwiththeoutputfromthe mediakitthen?Thatsoundslikeajobforthesystemmixertome,andthe systemmixerisamedianode. ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
Imayhavemissedsomething,butlasttimeIlookedattheHDAspecs,the soundcardwasexpecting32bitintaudio,notfloatingpoint. ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
format.Ithinkthegreat majorityofapps,doesn'tdealwiththecurrentstorageformatandjustget asapraticehabit buffersinfloatingpointformat.ForexampleMediaPlayerdoso,andright now(lookattheaudio producer)doesn'tsupportanythingthanfloatingpoint. MediaPlayerdoestheconversionitselfalready.AsfarasIknow,mostofthe timetheffmpegdecoderwilloutputinsomeintegerformat,butitdependson ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
Hi, Kitaudioingeneral,andforeasyreplayofseveralfileformats. Thenicethingabouthavingthemixerhandlethis(aswellassamplerate conversion)isthatthecodeneedstobewrittenonlyonceandforall,and youcandecidetoreplacethealgorithmsatanytime. ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
Hey, Am06.02.2016um15:58schriebDarioCasalinuovo: BeAPI programs usually use our encoders to obtain data in the specified format. I think the great majority of apps, doesn't deal with the current storage format and just get as a pratice habit buffers in floating point format. ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
Hi, wastebecauseeveryapplicationhastoimplementit,againandagain. BeAPIprogramsusuallyuseourencoderstoobtaindatainthespecified format.Ithinkthegreatmajorityofapps,doesn'tdealwiththecurrent storageformatandjustgetasapraticehabitbuffersinfloatingpoint ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
onthingssupposedly beingoverlycomplex...pleasenotethatyou'renotreallyremovingany complexityhere,you're justmovingitelsewhere. IntegeraudioisusefulatleastforSDL,andI'dsayaswellfortheGameKit audioingeneral,andforeasyreplayofseveralfileformats. Thenicethingabouthavingthemixerhandlethis(aswellassamplerate conversion)isthatthecodeneedstobewrittenonlyonceandforall,andyou ...
Categories: Development

[haiku-development] Re: Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
Hey, Am06.02.2016um14:52schriebDarioCasalinuovo: Today, I'm mostly sure if we were going to evaluate how to implement audio functionality, the result would be that there's no reason to support non floating audio. Audio storage formats are commonly using integer-based samples -- usually 16 bit these days, 24 bit in some professional applications, 8 bit if you still have some old files. So the question is, what do you ...
Categories: Development

[haiku-development] Considering the audio Mixer formats

Development mailing list - Thu, 2016-02-11 09:45
Hello, theBeOSmixerhasbeendesignedtobelargerasitcanintermsofformats thatcanaccept.Thismeanswearesupportingintaudioinallvarious forms,evenunuseful,suchas8bitintegerformat. Thereprobablyhavebeenreasonsfordoingthat,asin90sthesituation wasalittlebitdifferentanditwasaimedatmakingportingsoftwaremore easy.Today,I'mmostlysureifweweregoingtoevaluatehowtoimplement audiofunctionality,theresultwouldbethatthere'snoreasontosupport nonfloatingaudio. ...
Categories: Development

[haiku-development] Re: Haiku on top of BSD

Development mailing list - Thu, 2016-02-11 09:45
Hi, OnWed,Feb3,2016at12:32PM,Stephandmarc-noreply@xxxxxxxxxxxxx wrote: Pleasenote,however,thatit´satmostcomile-tested,mightcontain ...
Categories: Development

[haiku-development] Re: Haiku on top of BSD

Development mailing list - Thu, 2016-02-11 09:45
On03/02/201612:32,Stephanwrote: Ijusthappenedtofindthefollowingslidesofthisyear´sFOSDEM: Icameupwithasimilarideaonthislistawhileback.Inthe meantime,IstartedtowritesomeNetBSDcodetomodelanIPC imlpementationclosetoBeOSports,ofwhichapotentialportoflibbe ...
Categories: Development

[haiku-development] Haiku on top of BSD

Development mailing list - Thu, 2016-02-11 09:45
Hi, Ijusthappenedtofindthefollowingslidesofthisyear´sFOSDEM: Icameupwithasimilarideaonthislistawhileback.Inthe meantime,IstartedtowritesomeNetBSDcodetomodelanIPC imlpementationclosetoBeOSports,ofwhichapotentialportoflibbe couldtakeadvantage.Youcanfindthecodehere. ...
Categories: Development

[haiku-development] Re: Build Haiku with source tree and build tools on NFS?

Development mailing list - Thu, 2016-02-11 09:45
The Haiku build system will provide attribute emulation, so it shouldn't be a problem. On Sat, 30 Jan 2016 12:56 AM Thomas Mueller mueller6723@xxxxxxx wrote: accessed via NFS? How would this affect extended attributes support, or would that depend only on the host/client file system? ...
Categories: Development

[haiku-development] Re: Adding more META:attributes

Development mailing list - Thu, 2016-02-11 09:45
On 29/01/2016 19:24, Axel Dörfler wrote: possible, cf. Not really; our attributes aren't easily interchangeable, anyway, and we usually conversion uses name mangling to preserve the type. IOW it makes no sense whatsoever to follow any attribute convention set by another ...
Categories: Development

[haiku-development] Re: Adding more META:attributes

Development mailing list - Thu, 2016-02-11 09:45
Am 29/01/2016 um 17:36 schrieb François Revol: On 29/01/2016 16:56, Humdinger (Redacted sender humdingerb for DMARC) wrote: I propose to create META:author and META:pages. I don't think the other attributes have too much overlap with other (document) file types or are so informative that people would like to see them in Tracker windows. ...
Categories: Development

[haiku-development] Re: Adding more META:attributes

Development mailing list - Thu, 2016-02-11 09:45
On 29/01/2016 16:56, Humdinger (Redacted sender humdingerb for DMARC) wrote: I recently added more extra attributes to the PDF MIME type, because BePDF writes those attributes. [1] (BTW, it doesn't yet work as expected: No PDF document appears in Tracker's Attributes menu for folders containing pdf documents, like it does e.g. for bookmarks or people files [mind bug/ workaround #10071]. Does anyone know what I'm missing?). ...
Categories: Development