{"id":104110,"date":"2022-05-21T15:37:02","date_gmt":"2022-05-21T13:37:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio"},"modified":"2022-05-21T15:37:02","modified_gmt":"2022-05-21T13:37:02","slug":"ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/ubuntu-22-10-perejdyot-na-obrabotku-zvuka-pri-pomoshhi-pipewire-vmesto-pulseaudio","title":{"rendered":"Ubuntu 22.10 adopte le traitement audio via PipeWire au lieu de PulseAudio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dans le d\u00e9p\u00f4t o\u00f9 le d\u00e9veloppement de la version Ubuntu 22.10 est en cours, la transition vers l'utilisation par d\u00e9faut du serveur multim\u00e9dia PipeWire pour le traitement audio a \u00e9t\u00e9 effectu\u00e9e. Les paquets li\u00e9s \u00e0 PulseAudio ont \u00e9t\u00e9 supprim\u00e9s des ensembles desktop et desktop-minimal, et pour assurer la compatibilit\u00e9, une couche fonctionnant au-dessus de PipeWire, pipewire-pulse, a \u00e9t\u00e9 ajout\u00e9e \u00e0 la place des biblioth\u00e8ques interagissant avec PulseAudio, permettant ainsi de conserver le fonctionnement de tous les clients existants de PulseAudio.       <\/p>\n<p>La d\u00e9cision de passer compl\u00e8tement \u00e0 PipeWire dans Ubuntu 22.10 a \u00e9t\u00e9 confirm\u00e9e par Heather Ellsworth de Canonical. Il est \u00e0 noter qu'Ubuntu 22.02 utilisait les deux. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-los-angeles\/\"   title=\"de serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3816\">de serveurs<\/a> \u2014 PipeWire a \u00e9t\u00e9 utilis\u00e9 pour le traitement vid\u00e9o lors de l'enregistrement de screencasts et pour l'acc\u00e8s \u00e0 l'\u00e9cran, mais l'audio continuait d'\u00eatre trait\u00e9 avec PulseAudio. Dans Ubuntu 22.10, seul PipeWire sera utilis\u00e9. Un changement similaire a d\u00e9j\u00e0 \u00e9t\u00e9 mis en \u0153uvre dans la distribution Fedora 34 il y a deux ans, permettant ainsi d'offrir des capacit\u00e9s professionnelles de traitement audio, d'\u00e9liminer la fragmentation et d'unifier l'infrastructure audio pour diff\u00e9rentes applications.        <\/p>\n<p>PipeWire propose un mod\u00e8le de s\u00e9curit\u00e9 avanc\u00e9, permettant de g\u00e9rer l'acc\u00e8s au niveau des appareils individuels et des flux sp\u00e9cifiques, et simplifiant l'organisation du passage de l'audio et de la vid\u00e9o depuis et vers des conteneurs isol\u00e9s. PipeWire peut traiter tous les flux multim\u00e9dias et est capable de mixer et rediriger non seulement des flux audio, mais aussi des flux vid\u00e9o, et de g\u00e9rer les sources vid\u00e9o (appareils de capture vid\u00e9o, webcams ou contenu d'\u00e9cran \u00e9mis par des applications). PipeWire peut \u00e9galement servir de serveur audio, offrant une latence minimale et combinant les fonctionnalit\u00e9s de PulseAudio et JACK, tout en tenant compte des besoins des syst\u00e8mes de traitement audio professionnel, que PulseAudio ne pouvait pas satisfaire.      <\/p>\n<p>Fonctionnalit\u00e9s principales :  <\/p>\n<ul>\n<li class=\"l\"> Capture et lecture audio et vid\u00e9o avec des latences minimales;  <\/li>\n<li class=\"l\"> Outils pour le traitement vid\u00e9o et audio en temps r\u00e9el;  <\/li>\n<li class=\"l\"> Architecture multiprocessus permettant l'acc\u00e8s partag\u00e9 au contenu de plusieurs applications;    <\/li>\n<li class=\"l\"> Mod\u00e8le de traitement bas\u00e9 sur un graphique de n\u0153uds multim\u00e9dias, prenant en charge les boucles de r\u00e9troaction et les mises \u00e0 jour atomiques du graphique. L'interconnexion de gestionnaires est autoris\u00e9e \u00e0 la fois \u00e0 l'int\u00e9rieur du serveur et via des plugins externes;  <\/li>\n<li class=\"l\"> Interface efficace d'acc\u00e8s aux flux vid\u00e9o \u00e0 travers le passage de descripteurs de fichiers et acc\u00e8s au son via des tampons circulaires partag\u00e9s;  <\/li>\n<li class=\"l\"> Capacit\u00e9 de traitement des donn\u00e9es multim\u00e9dias depuis n'importe quel processus;  <\/li>\n<li class=\"l\"> Disponibilit\u00e9 d'un plugin GStreamer pour faciliter l'int\u00e9gration avec les applications existantes;  <\/li>\n<li class=\"l\"> Prise en charge des environnements isol\u00e9s et de Flatpak;  <\/li>\n<li class=\"l\"> Support des plugins au format SPA (Simple Plugin API) et possibilit\u00e9 de cr\u00e9er des plugins fonctionnant en mode temps r\u00e9el strict;  <\/li>\n<li class=\"l\"> Syst\u00e8me flexible d'accord des formats multim\u00e9dias utilis\u00e9s et d'allocation de tampons;  <\/li>\n<li class=\"l\"> Utilisation d'un seul processus en arri\u00e8re-plan pour le routage du son et de la vid\u00e9o. Capacit\u00e9 \u00e0 fonctionner sous forme de serveur audio, de hub pour fournir des applications vid\u00e9o (par exemple, pour l'API screencast de gnome-shell) et de serveur pour la gestion de l'acc\u00e8s aux p\u00e9riph\u00e9riques mat\u00e9riels de capture vid\u00e9o.  <\/li>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57229\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Ubuntu 22.10, \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0451\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u043e\u0433\u043e \u0441\u0435\u0440\u0432\u0435\u0440\u0430 PipeWire \u0434\u043b\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0432\u0443\u043a\u0430. \u041f\u0430\u043a\u0435\u0442\u044b, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 PulseAudio \u0443\u0434\u0430\u043b\u0435\u043d\u044b \u0438\u0437 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 desktop \u0438 desktop-minimal, \u0430 \u0434\u043b\u044f \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u0438 \u0432\u043c\u0435\u0441\u0442\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a \u0434\u043b\u044f \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0441 PulseAudio \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0430\u044f \u043f\u043e\u0432\u0435\u0440\u0445 PipeWire \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0430 pipewire-pulse, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0432\u0441\u0435\u0445 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 PulseAudio. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104110","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0438, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u0432\u044b\u043f\u0443\u0441\u043a\u0430 Ubuntu 22.10, \u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0451\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e 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