{"id":103638,"date":"2022-03-28T09:37:05","date_gmt":"2022-03-28T07:37:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-biblioteki-sdl_sound-2-0"},"modified":"2022-03-28T09:37:05","modified_gmt":"2022-03-28T07:37:05","slug":"vypusk-biblioteki-sdl_sound-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-biblioteki-sdl_sound-2-0","title":{"rendered":"Lan\u00e7amento da biblioteca SDL_sound 2.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s 14 anos desde o \u00faltimo lan\u00e7amento, a vers\u00e3o 2.0.1 da biblioteca SDL_sound foi finalmente lan\u00e7ada (o lan\u00e7amento 2.0.0 foi pulado), oferecendo uma camada sobre a biblioteca SDL com fun\u00e7\u00f5es para decodificar formatos de arquivos de \u00e1udio populares, como MP3, WAV, OGG, FLAC, AIFF, VOC, MOD, MID e AU. A mudan\u00e7a significativa no n\u00famero da vers\u00e3o se deve \u00e0 transi\u00e7\u00e3o do c\u00f3digo da licen\u00e7a copyleft LGPLv2 para a licen\u00e7a permissiva zlib, compat\u00edvel com GPL. Al\u00e9m disso, apesar da manuten\u00e7\u00e3o da compatibilidade retroativa a n\u00edvel de API, o funcionamento do SDL_sound agora \u00e9 poss\u00edvel apenas na base da vers\u00e3o SDL 2.0 (o suporte para a constru\u00e7\u00e3o sobre SDL 1.2 foi descontinuado).    <\/p>\n<p>Para a decodifica\u00e7\u00e3o de formatos de \u00e1udio no SDL_sound, n\u00e3o s\u00e3o utilizadas bibliotecas externas \u2014 todos os textos necess\u00e1rios para a decodifica\u00e7\u00e3o est\u00e3o inclu\u00eddos no pacote principal. A API fornecida permite obter dados de \u00e1udio tanto de arquivos quanto ao n\u00edvel de fluxos de \u00e1udio de uma ou mais fontes externas. \u00c9 suportada a anexa\u00e7\u00e3o de manipuladores personalizados para processar o \u00e1udio ou fornecer acesso aos dados decodificados resultantes. V\u00e1rias manipula\u00e7\u00f5es s\u00e3o poss\u00edveis com a taxa de amostragem, formatos e canais de \u00e1udio, inclusive para reencodifica\u00e7\u00e3o em tempo real.    <\/p>\n<p>Mudan\u00e7as principais na vers\u00e3o 2.0 do SDL_sound:  <\/p>\n<ul>\n<li class=\"l\"> Mudan\u00e7a da licen\u00e7a para zlib e transi\u00e7\u00e3o para o uso do SDL 2.\n<li class=\"l\"> Remo\u00e7\u00e3o de depend\u00eancias externas do c\u00f3digo e incorpora\u00e7\u00e3o de todos os decodificadores na composi\u00e7\u00e3o principal. Substitui\u00e7\u00e3o de alguns decodificadores por manipuladores unificados. Por exemplo, para trabalhar com o formato OGG, n\u00e3o \u00e9 mais necess\u00e1rio instalar a biblioteca libogg, j\u00e1 que o decodificador stb_vorbis agora est\u00e1 embutido nos textos de origem do SDL_sound.\n<li class=\"l\"> Ado\u00e7\u00e3o do sistema de constru\u00e7\u00e3o CMake. Simplifica\u00e7\u00e3o do processo de uso do c\u00f3digo SDL_sound em seus projetos.\n<li class=\"l\"> Descontinua\u00e7\u00e3o do suporte ao decodificador para o formato QuickTime obsoleto, mas no macOS e iOS, o decodificador universal CoreAudio ainda pode ser utilizado para trabalhar com QuickTime.\n<li class=\"l\"> Descontinua\u00e7\u00e3o do suporte ao formato Speex, devido \u00e0 falta de implementa\u00e7\u00e3o de um decodificador sob a licen\u00e7a necess\u00e1ria.\n<li class=\"l\"> Descontinua\u00e7\u00e3o do suporte ao decodificador MikMod. Para trabalhar com os mesmos formatos, pode-se utilizar o decodificador modplug.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56923\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043f\u0443\u0441\u0442\u044f 14 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SDL_sound 2.0.1 (\u0432\u044b\u043f\u0443\u0441\u043a 2.0.0 \u0431\u044b\u043b \u043f\u0440\u043e\u043f\u0443\u0449\u0435\u043d), \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0435\u0439 \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0439\u043a\u0443 \u043d\u0430\u0434 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u043e\u0439 SDL c \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438 \u0434\u043b\u044f \u0434\u0435\u043a\u043e\u0434\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u043f\u0443\u043b\u044f\u0440\u043d\u044b\u0445 \u0437\u0432\u0443\u043a\u043e\u0432\u044b\u0445 \u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0432 \u0444\u0430\u0439\u043b\u043e\u0432, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a MP3, WAV, OGG, FLAC, AIFF, VOC, MOD, MID \u0438 AU. \u0417\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043d\u043e\u043c\u0435\u0440\u0430 \u0432\u0435\u0440\u0441\u0438\u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u043e \u0441 \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u043e\u043c \u043a\u043e\u0434\u0430 \u0441 \u043a\u043e\u043f\u0438\u043b\u0435\u0444\u0442 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0438 LGPLv2 \u043d\u0430 \u043f\u0435\u0440\u043c\u0438\u0441\u0441\u0438\u0432\u043d\u0443\u044e [&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-103638","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=\"\u0421\u043f\u0443\u0441\u0442\u044f 14 \u043b\u0435\u0442 \u0441 \u043c\u043e\u043c\u0435\u043d\u0442\u0430 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0432\u044b\u043f\u0443\u0441\u043a\u0430 \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 SDL_sound 2.0.1 (\u0432\u044b\u043f\u0443\u0441\u043a 2.0.0 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