{"id":100926,"date":"2021-08-06T10:22:35","date_gmt":"2021-08-06T08:22:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-multimedijnogo-servera-pipewire-0-3-33"},"modified":"2021-08-06T10:22:35","modified_gmt":"2021-08-06T08:22:35","slug":"vypusk-multimedijnogo-servera-pipewire-0-3-33","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-multimedijnogo-servera-pipewire-0-3-33","title":{"rendered":"Lan\u00e7amento do servidor multim\u00eddia PipeWire 0.3.33","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ado o versionamento do projeto PipeWire 0.3.33, que desenvolve um servidor multim\u00eddia de nova gera\u00e7\u00e3o para substituir o PulseAudio. O PipeWire expande as capacidades do PulseAudio com ferramentas para trabalhar com fluxos de v\u00eddeo, permitindo o processamento de \u00e1udio com lat\u00eancias m\u00ednimas e um novo modelo de seguran\u00e7a para gerenciar o acesso em um n\u00edvel de dispositivos individuais e fluxos. O projeto \u00e9 apoiado no GNOME e j\u00e1 \u00e9 aplicado por padr\u00e3o no Fedora Linux. O c\u00f3digo do projeto \u00e9 escrito em C e \u00e9 distribu\u00eddo sob a licen\u00e7a LGPLv2.1.      <\/p>\n<p>Principais mudan\u00e7as no PipeWire 0.3.33:  <\/p>\n<ul>\n<li class=\"l\"> Implementada a possibilidade de comuta\u00e7\u00e3o autom\u00e1tica entre perfis Bluetooth HSP (modo headset) e A2DP (sa\u00edda de som de alta qualidade).\n<li class=\"l\"> No perfil Pro Audio, melhor suporte para fontes virtuais e dispositivos de sa\u00edda de \u00e1udio.\n<li class=\"l\"> Melhor compatibilidade dos modificadores de formato ao compartilhar buffers de acesso direto \u00e0 mem\u00f3ria (DMA-BUF) entre v\u00e1rios clientes.\n<li class=\"l\"> Na coluna de n\u00f3s multim\u00eddia, implementado o suporte ao uso simult\u00e2neo de v\u00e1rias taxas de amostragem (desativado por padr\u00e3o).\n<li class=\"l\"> Na camada de compatibilidade com o PulseAudio, foi implementado o m\u00f3dulo module-switch-on-connect para emular o comportamento do PulseAudio ao conectar novos dispositivos.    <\/ul>\n<p>Cabe lembrar que o PipeWire expande a aplica\u00e7\u00e3o do PulseAudio ao processar quaisquer fluxos multim\u00eddia e \u00e9 capaz de misturar e redirecionar fluxos de v\u00eddeo. O PipeWire tamb\u00e9m oferece recursos para gerenciar fontes de v\u00eddeo, como dispositivos de captura de v\u00eddeo, webcams ou conte\u00fado de tela produzido por aplicativos. Por exemplo, o PipeWire permite que v\u00e1rios aplicativos trabalhem juntos com a webcam e resolve problemas com a captura segura de conte\u00fado de tela e acesso remoto \u00e0 tela em um ambiente Wayland.         <\/p>\n<p>O PipeWire tamb\u00e9m pode atuar como um servidor de \u00e1udio <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-los-angeles\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3736\">servidor<\/a>, proporcionando lat\u00eancias m\u00ednimas e oferecendo funcionalidades que combinam as capacidades do PulseAudio e JACK, levando em considera\u00e7\u00e3o as necessidades de sistemas profissionais de processamento de \u00e1udio, algo que o PulseAudio n\u00e3o poderia atender. Al\u00e9m disso, o PipeWire oferece um modelo de seguran\u00e7a aprimorado, permitindo o gerenciamento de acesso em n\u00edvel de dispositivos individuais e fluxos espec\u00edficos, facilitando a organiza\u00e7\u00e3o da transmiss\u00e3o de \u00e1udio e v\u00eddeo de e para cont\u00eaineres isolados. Um dos principais objetivos \u00e9 suportar aplica\u00e7\u00f5es autossuficientes no formato Flatpak e operar em uma pilha gr\u00e1fica baseada em Wayland.      <\/p>\n<p>Principais funcionalidades:  <\/p>\n<ul>\n<li class=\"l\"> Captura e reprodu\u00e7\u00e3o de \u00e1udio e v\u00eddeo com lat\u00eancias m\u00ednimas;  <\/li>\n<li class=\"l\"> Recursos para processamento de v\u00eddeo e \u00e1udio em tempo real;  <\/li>\n<li class=\"l\"> Arquitetura multiprocessada que permite o compartilhamento de conte\u00fado entre m\u00faltiplos aplicativos;    <\/li>\n<li class=\"l\"> Modelo de processamento baseado em um gr\u00e1fico de n\u00f3s multim\u00eddia com suporte a ciclos de feedback e atualiza\u00e7\u00f5es at\u00f4micas do gr\u00e1fico. \u00c9 permitido conectar manipuladores tanto dentro do servidor quanto plugins externos;  <\/li>\n<li class=\"l\"> Interface de acesso eficiente a streams de v\u00eddeo atrav\u00e9s da transmiss\u00e3o de descritores de arquivos e acesso ao \u00e1udio atrav\u00e9s de buffers circulares compartilhados;  <\/li>\n<li class=\"l\"> Capacidade de processamento de dados multim\u00eddia de quaisquer processos;  <\/li>\n<li class=\"l\"> Disponibilidade de um plugin para GStreamer para facilitar a integra\u00e7\u00e3o com aplicativos existentes;  <\/li>\n<li class=\"l\"> Suporte para ambientes isolados e Flatpak;  <\/li>\n<li class=\"l\"> Suporte a plugins no formato SPA (Simple Plugin API) e possibilidade de criar plugins que operam em modo de tempo real r\u00edgido;  <\/li>\n<li class=\"l\"> Sistema flex\u00edvel de negocia\u00e7\u00e3o de formatos multim\u00eddia utilizados e aloca\u00e7\u00e3o de buffers;  <\/li>\n<li class=\"l\"> Uso de um \u00fanico processo em segundo plano para roteamento de \u00e1udio e v\u00eddeo. Capacidade de operar na forma de um servidor de \u00e1udio, hub para fornecer v\u00eddeo a aplicativos (por exemplo, para a API de screencast do gnome-shell) e servidor para gerenciar o acesso a dispositivos de captura de v\u00eddeo.  <\/li>\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55598\">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 PipeWire 0.3.33, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0438\u0434\u0443\u0449\u0438\u0439 \u043d\u0430 \u0437\u0430\u043c\u0435\u043d\u0443 PulseAudio. PipeWire \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 PulseAudio \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430\u043c\u0438 \u0434\u043b\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043f\u043e\u0442\u043e\u043a\u0430\u043c\u0438 \u0432\u0438\u0434\u0435\u043e, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0437\u0432\u0443\u043a\u0430 \u0441 \u043c\u0438\u043d\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430\u043c\u0438 \u0438 \u043d\u043e\u0432\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u044c\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0434\u043b\u044f \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u043e\u043c \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u043f\u043e\u0442\u043e\u043a\u043e\u0432. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432 GNOME \u0438 \u0443\u0436\u0435 \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0432 Fedora Linux. [&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-100926","post","type-post","status-publish","format-standard","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 PipeWire 0.3.33, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u043c\u0443\u043b\u044c\u0442\u0438\u043c\u0435\u0434\u0438\u0439\u043d\u044b\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u043d\u043e\u0432\u043e\u0433\u043e \u043f\u043e\u043a\u043e\u043b\u0435\u043d\u0438\u044f, \u0438\u0434\u0443\u0449\u0438\u0439 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