{"id":104586,"date":"2022-07-03T15:36:48","date_gmt":"2022-07-03T13:36:50","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-sound-open-firmware-2-2-nabor-otkrytyh-proshivok-k-dsp-chipam"},"modified":"2022-07-03T15:36:48","modified_gmt":"2022-07-03T13:36:50","slug":"dostupen-sound-open-firmware-2-2-nabor-otkrytyh-proshivok-k-dsp-chipam","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/dostupen-sound-open-firmware-2-2-nabor-otkrytyh-proshivok-k-dsp-chipam","title":{"rendered":"Megjelent a Sound Open Firmware 2.2, egy ny\u00edlt firmware csomag a DSP-chipekhez.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent a Sound Open Firmware 2.2 (SOF) projekt, amelyet eredetileg az Intel hozott l\u00e9tre, hogy megsz\u00fcntesse a z\u00e1rt firmware-ek sz\u00e1ll\u00edt\u00e1s\u00e1nak gyakorlat\u00e1t a hangfeldolgoz\u00e1s\u00e9rt felel\u0151s DSP chipekhez. A projekt k\u00e9s\u0151bb a Linux Foundation sz\u00e1rnyai al\u00e1 ker\u00fclt, \u00e9s most a k\u00f6z\u00f6ss\u00e9g bevon\u00e1s\u00e1val, az AMD, Google \u00e9s NXP c\u00e9gek r\u00e9szv\u00e9tel\u00e9vel fejlesztik. A projekt keret\u00e9ben SDK-t fejlesztenek a firmware-ek egyszer\u0171s\u00edtett fejleszt\u00e9s\u00e9hez, hangmeghajt\u00f3t k\u00e9sz\u00edtenek a Linux kernelhez, valamint k\u00fcl\u00f6nf\u00e9le DSP chipekhez k\u00e9sz\u00fclnek el\u0151re elk\u00e9sz\u00edtett firmware-ek, amelyeket digit\u00e1lis al\u00e1\u00edr\u00e1ssal ell\u00e1tott bin\u00e1ris csomagok form\u00e1j\u00e1ban is biztos\u00edtanak. A firmware k\u00f3d C nyelven, assembler bet\u00e9tekkel \u00edr\u00f3dott, \u00e9s BSD licenc alatt terjesztik.      <\/p>\n<p>A modul\u00e1ris strukt\u00far\u00e1j\u00e1nak k\u00f6sz\u00f6nhet\u0151en a Sound Open Firmware k\u00fcl\u00f6nb\u00f6z\u0151 DSP-architekt\u00far\u00e1kra \u00e9s hardver platformokra is portolhat\u00f3. P\u00e9ld\u00e1ul, a t\u00e1mogatott platformok k\u00f6z\u00f6tt szerepelnek k\u00fcl\u00f6nb\u00f6z\u0151 Intel chipek (Broadwell, Icelake, Tigerlake, Alderlake stb.), Mediatek (mt8195), NXP (i.MX8*) \u00e9s AMD (Renoir), DSP-kkel, amelyek Xtensa HiFi 2, 3 \u00e9s 4 architekt\u00far\u00e1kra alapoznak. A fejleszt\u00e9s sor\u00e1n speci\u00e1lis emulator vagy QEMU alkalmazhat\u00f3. Az ny\u00edlt firmware-ek DSP-re val\u00f3 haszn\u00e1lata lehet\u0151v\u00e9 teszi a firmware-ok gyorsabb jav\u00edt\u00e1s\u00e1t \u00e9s hibakeres\u00e9s\u00e9t, valamint a felhaszn\u00e1l\u00f3k sz\u00e1m\u00e1ra azt, hogy saj\u00e1t ig\u00e9nyeikhez igaz\u00edts\u00e1k a firmware-eket, specifikus optimaliz\u00e1l\u00e1sokat v\u00e9gezzenek \u00e9s k\u00f6nny\u0171 v\u00e1ltozatokat k\u00e9sz\u00edtsenek, amelyek csak a term\u00e9khez sz\u00fcks\u00e9ges funkcionalit\u00e1st tartalmazz\u00e1k.     <\/p>\n<p>A projekt keret\u00e9ben keretrendszer biztos\u00edt a hangfeldolgoz\u00e1ssal kapcsolatos megold\u00e1sok fejleszt\u00e9s\u00e9re, optimaliz\u00e1l\u00e1s\u00e1ra \u00e9s tesztel\u00e9s\u00e9re, valamint a DSP-kkel val\u00f3 interakci\u00f3t szolg\u00e1l\u00f3 driverek \u00e9s programok l\u00e9trehoz\u00e1s\u00e1ra. Tartalmazza a firmware-ek megval\u00f3s\u00edt\u00e1sait, firmware-tesztel\u0151 eszk\u00f6z\u00f6ket, ELF-f\u00e1jlok firmwarek\u00e9pekk\u00e9 t\u00f6rt\u00e9n\u0151 \u00e1talak\u00edt\u00f3 seg\u00e9dprogramokat, amelyek telep\u00edthet\u0151k a hardverre, hibakeres\u0151 eszk\u00f6z\u00f6ket, DSP emul\u00e1tort, host-platform emul\u00e1tort (QEMU alap\u00fa), firmware-trace-el\u0151 eszk\u00f6z\u00f6ket, MATLAB\/Octave szkripteket a hangkomponensek finomhangol\u00e1s\u00e1hoz, alkalmaz\u00e1sokat az firmware-rel val\u00f3 interakci\u00f3 \u00e9s adatcsere megszervez\u00e9s\u00e9re, \u00e9s k\u00e9sz p\u00e9ld\u00e1kat a hangfeldolgoz\u00e1s topol\u00f3gi\u00e1ir\u00f3l.    <\/p>\n<p><center><img decoding=\"async\" alt=\"Megjelent a Sound Open Firmware 2.2, egy ny\u00edlt firmware csomag a DSP-chipekhez. \" src=\"\/wp-content\/uploads\/2022\/07\/e204f3a5462192346760685e09a14eda.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>  <center><img decoding=\"async\" alt=\"Megjelent a Sound Open Firmware 2.2, egy ny\u00edlt firmware csomag a DSP-chipekhez. \" src=\"\/wp-content\/uploads\/2022\/07\/38de2513cf9ad01ca8dd40dcdd7517a1.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>A projekt egy univerz\u00e1lis drivert is fejleszt, amely alkalmazhat\u00f3 a Sound Open Firmware-alap\u00fa firmware-rel rendelkez\u0151 eszk\u00f6z\u00f6kkel. A driver m\u00e1r a Linux kernel f\u0151 \u00f6sszetev\u0151je lett az 5.2-es kiad\u00e1st\u00f3l kezdve, \u00e9s kett\u0151s licenc alatt \u00e9rhet\u0151 el \u2014 BSD \u00e9s GPLv2. A driver felel\u0151s a firmware bet\u00f6lt\u00e9s\u00e9\u00e9rt a DSP mem\u00f3ri\u00e1j\u00e1ba, a hangtopol\u00f3gi\u00e1k bet\u00f6lt\u00e9s\u00e9\u00e9rt a DSP-be, a hangk\u00e9sz\u00fcl\u00e9k m\u0171k\u00f6d\u00e9s\u00e9nek megszervez\u00e9s\u00e9\u00e9rt (feladata a DSP funkci\u00f3inak h\u00edv\u00e1sa az alkalmaz\u00e1sokb\u00f3l), \u00e9s a hangadatokhoz val\u00f3 hozz\u00e1f\u00e9r\u00e9si pontok biztos\u00edt\u00e1s\u00e1\u00e9rt az alkalmaz\u00e1sok sz\u00e1m\u00e1ra. A driver IPC mechanizmust is biztos\u00edt a hoszt rendszer \u00e9s a DSP k\u00f6z\u00f6tti interakci\u00f3hoz, valamint egy r\u00e9teget, amelyen kereszt\u00fcl a DSP hardveres lehet\u0151s\u00e9geihez lehet hozz\u00e1f\u00e9rni egy standard API-n kereszt\u00fcl. A Sound Open Firmwarerel rendelkez\u0151 DSP az alkalmaz\u00e1sok sz\u00e1m\u00e1ra \u00fagy jelenik meg, mint egy szok\u00e1sos ALSA-eszk\u00f6z, amelynek vez\u00e9rl\u00e9s\u00e9re a hagyom\u00e1nyos programoz\u00e1si interf\u00e9szt lehet haszn\u00e1lni.    <\/p>\n<p><center><img decoding=\"async\" alt=\"Megjelent a Sound Open Firmware 2.2, egy ny\u00edlt firmware csomag a DSP-chipekhez. \" src=\"\/wp-content\/uploads\/2022\/07\/8674a965492c9cf860baa37b6d17a277.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>A Sound Open Firmware 2.2 f\u0151 \u00faj\u00edt\u00e1sai:  <\/p>\n<ul>\n<li class=\"l\"> A k\u00fcls\u0151 codec k\u00f6nyvt\u00e1rakkal val\u00f3 munk\u00e1t v\u00e9gz\u0151 komponenst \u00e1tnevezt\u00e9k codec_adapter-b\u0151l module_adapter-ra, \u00e9s a jelfeldolgoz\u00f3 modulok API-j\u00e1hoz igaz\u00edtott\u00e1k, lehet\u0151v\u00e9 t\u00e9ve ezzel a Windows feldolgoz\u00f3kb\u00f3l sz\u00e1rmaz\u00f3 k\u00f3d m\u00f3dos\u00edt\u00e1s n\u00e9lk\u00fcli felhaszn\u00e1l\u00e1s\u00e1t.\n<li class=\"l\"> A Frag API elavultnak lett nyilv\u00e1n\u00edtva, amelynek elt\u00f6rl\u00e9se minden komponens teljes\u00edtm\u00e9ny\u00e9t k\u00f6r\u00fclbel\u00fcl 1 MCPS-sel (milli\u00f3 ciklus m\u00e1sodpercenk\u00e9nt) n\u00f6velte.\n<li class=\"l\"> Hozz\u00e1adt\u00e1k a Frame API-t, amely el\u0151zetes m\u00e9retbecsl\u00e9st v\u00e9gez a SIMD utas\u00edt\u00e1s-alap\u00fa \u00e9s az azok n\u00e9lk\u00fcl m\u0171k\u00f6d\u0151 feldolgoz\u00f3k sz\u00e1m\u00e1ra. Az optimaliz\u00e1l\u00e1s k\u00f6r\u00fclbel\u00fcl 0,25 MCPS-sel n\u00f6velte a teljes\u00edtm\u00e9nyt.\n<li class=\"l\"> \u00daj kever\u0151modul ker\u00fclt bevezet\u00e9sre, amely t\u00e1mogatja a HiFi4-et, lehet\u0151v\u00e9 t\u00e9ve a hangcsatorn\u00e1k sz\u00e1m\u00e1nak cs\u00f6kkent\u00e9s\u00e9t vagy n\u00f6vel\u00e9s\u00e9t a folyam sor\u00e1n.\n<li class=\"l\"> B\u0151v\u00fclt a Zephyr RTOS k\u00f6rnyezet haszn\u00e1lat\u00e1nak lehet\u0151s\u00e9ge firmware alapk\u00e9nt az XTOS helyett. A Zephyr alkalmaz\u00e1sa jelent\u0151sen leegyszer\u0171s\u00edti \u00e9s cs\u00f6kkenti a Sound Open Firmware alkalmaz\u00e1sok k\u00f3dj\u00e1t. Az \u00faj verzi\u00f3ban t\u00e1mogat\u00e1st kapott a Zephyr nat\u00edv API-ja a napl\u00f3z\u00e1s \u00e9s k\u00e9sleltet\u00e9si funkci\u00f3k sz\u00e1m\u00e1ra. A k\u00f6vetkez\u0151 kiad\u00e1sban v\u00e1rhat\u00f3 a Zephyr teljes be\u00e9p\u00edtett t\u00e1mogat\u00e1sa.\n<li class=\"l\"> B\u0151v\u00fclt az IPC4 protokoll haszn\u00e1lat\u00e1nak lehet\u0151s\u00e9ge hang r\u00f6gz\u00edt\u00e9s\u00e9re \u00e9s lej\u00e1tsz\u00e1s\u00e1ra Windows OS-en (az IPC4 t\u00e1mogatja, hogy a Windows k\u00f6zvetlen\u00fcl kommunik\u00e1ljon a Sound Open Firmware firmware-ekkel rendelkez\u0151 DSP-kkel specifikus meghajt\u00f3 alkalmaz\u00e1sa n\u00e9lk\u00fcl).             <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57446\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Sound Open Firmware 2.2 (SOF), \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Intel \u0434\u043b\u044f \u0443\u0445\u043e\u0434\u0430 \u043e\u0442 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0438 \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u0437\u0430\u043a\u0440\u044b\u0442\u044b\u0445 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0434\u043b\u044f DSP-\u0447\u0438\u043f\u043e\u0432, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0437\u0432\u0443\u043a\u0430. \u0412\u043f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u0438 \u043f\u0440\u043e\u0435\u043a\u0442 \u0431\u044b\u043b \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0451\u043d \u043f\u043e\u0434 \u043a\u0440\u044b\u043b\u043e \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 Linux Foundation \u0438 \u0442\u0435\u043f\u0435\u0440\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0441 \u043f\u0440\u0438\u0432\u043b\u0435\u0447\u0435\u043d\u0438\u0435\u043c \u0441\u043e\u043e\u0431\u0449\u0435\u0441\u0442\u0432\u0430 \u0438 \u043f\u0440\u0438 \u0443\u0447\u0430\u0441\u0442\u0438\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 AMD, Google \u0438 NXP. \u041f\u0440\u043e\u0435\u043a\u0442\u043e\u043c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f SDK \u0434\u043b\u044f \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104587,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104586","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Sound Open Firmware 2.2 (SOF), \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 Intel \u0434\u043b\u044f \u0443\u0445\u043e\u0434\u0430 \u043e\u0442 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