{"id":19596,"date":"2018-07-06T07:00:17","date_gmt":"2018-07-05T22:00:17","guid":{"rendered":"https:\/\/www.sssg.org\/blogs\/hiro345\/?p=19596"},"modified":"2018-07-06T08:02:08","modified_gmt":"2018-07-05T23:02:08","slug":"linux%e3%81%aevlc%e3%81%a7-failed-to-open-vdpau-backend-%e3%81%ae%e3%82%a8%e3%83%a9%e3%83%bc%e3%81%8c%e5%87%ba%e3%82%8b%e3%81%93%e3%81%a8%e3%81%ab%e3%81%a4%e3%81%84%e3%81%a6","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/19596.html","title":{"rendered":"Linux\u306evlc\u3067 Failed to open VDPAU backend \u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053\u3068\u306b\u3064\u3044\u3066"},"content":{"rendered":"

Linux\u306evlc\u3067\u300cFailed to open VDPAU backend libvdpau_vdpau.so: \u5171\u6709\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3051\u307e\u305b\u3093: \u305d\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u3042\u308a\u307e\u305b\u3093\u300d\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053\u3068\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n

\u3082\u3068\u3082\u3068\u306f\u3001VDPAU\u306e\u4f55\u304b\u306e\u30a8\u30e9\u30fc\u304c\u3067\u3066\u3044\u3066\u3001\u300cexport VDPAU_DRIVER=vdpau\u300d\u3092 $HOME\/.bash_profile \u3078\u8a18\u8ff0\u3059\u308b\u3053\u3068\u3067\u5bfe\u5fdc\u3092\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u305d\u306e\u8a2d\u5b9a\u3092\u3059\u308b\u3068\u3001\u3053\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3068\u8a18\u61b6\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n

\u3068\u308a\u3042\u3048\u305a\u52d5\u3044\u3066\u3044\u305f\u306e\u3067\u3001\u3053\u306e\u307e\u307e\u306b\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c\u3001\u6700\u8fd1 MacBook Pro\u3067Ubuntu\u3092\u52d5\u304b\u3057\u305f\u3068\u304d\u3082\u4f3c\u305f\u3088\u3046\u306a\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u3066\u8abf\u3079\u305f\u306e\u3067\u3057\u305f\u3002
\n
\n\u300c\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30d3\u30c7\u30aa\u30a2\u30af\u30bb\u30e9\u30ec\u30fc\u30b7\u30e7\u30f3 – ArchWiki<\/a>\u300d\u306f\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

NVIDIA\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u304d\u306b\u3001VDPAU\u304c\u4f7f\u308f\u308c\u308b\u3088\u3046\u3067\u3059\u3002\u3068\u3044\u3046\u3053\u3068\u3067\u3001vdpauinfo\u30b3\u30de\u30f3\u30c9\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3001\u73fe\u5728\u306e\u74b0\u5883\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3092\u3059\u308b\u306e\u304c\u826f\u3044\u3067\u3059\u3002CentOS7\u3060\u3068epel\u30d1\u30c3\u30b1\u30fc\u30b8\u306b\u542b\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n

\r\n$ sudo yum -y install vdpauinfo\r\n$ vdpauinfo \r\ndisplay: :0   screen: 0\r\nAPI version: 1\r\nInformation string: NVIDIA VDPAU Driver Shared Library  390.67  Fri Jun  1 03:14:45 PDT 2018\r\n\uff08\u7565\uff09\r\n<\/pre>\n
vdpauinfo\u3067\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u5834\u5408\u306f\u3001VDPAU\u306b\u5bfe\u5fdc\u3059\u308b\u30c9\u30e9\u30a4\u30d0\u30fc\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u304c\u5fc5\u8981\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u554f\u984c\u306a\u304f\u8868\u793a\u3067\u304d\u305f\u306e\u3067\u3001VDPAU\u306e\u5bfe\u5fdc\u306f\u304d\u3061\u3093\u3068\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3082\u3046\u5c11\u3057\u8abf\u3079\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u30a8\u30e9\u30fc\u306e\u539f\u56e0\u306f\u3001\u9069\u5f53\u306bVDPAU_DRIVER\u3092\u6307\u5b9a\u3057\u3066\u3044\u305f\u306e\u304c\u554f\u984c\u3067\u3001NVIDIA\u306e\u30b0\u30e9\u30d5\u30a3\u30c3\u30af\u30ab\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u3044\u308b\u3068\u304d\u306fnvidia\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n
Xorg.0.log\u3092\u898b\u308b\u3068\u6307\u5b9a\u3059\u308b\u5024\u304c\u308f\u304b\u308b\u3068\u306e\u3053\u3068\u3002<\/p>\n
\r\n$ grep -iE 'vdpau | dri driver' \/var\/log\/Xorg.0.log\r\n[   369.296] (II) NVIDIA(0): [DRI2]   VDPAU driver: nvidia\r\n<\/pre>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001CentOS7\u306e$HOME\/.bash_profile \uff08Ubuntu\u306a\u3089 $HOME\/.profile\uff09\u3067\u4e0b\u8a18\u3092\u6307\u5b9a\u3059\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002\u30ed\u30b0\u30a4\u30f3\u3092\u3057\u76f4\u3059\u3068\u53cd\u6620\u3055\u308c\u307e\u3059\u3002<\/p>\n
\r\nexport VDPAU_DRIVER=nvidia\r\n<\/pre>\n
\u3064\u3044\u3067\u306b\u3001VA-API\u3082\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u3057\u3066\u304a\u3044\u305f\u65b9\u304c\u826f\u3044\u3088\u3046\u306a\u306e\u3067\u3001libva-utils\uff08vainfo\u30b3\u30de\u30f3\u30c9\u304c\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\uff09\u3068libva-vdpau-driver\uff08vdpau\u3067va-api\u3092\u4f7f\u3048\u308b\u3088\u3046\u306b\u306a\u308b\uff09\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u3001vainfo\u3067\u60c5\u5831\u3092\u78ba\u8a8d\u3002\u3069\u3061\u3089\u3082epel\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
\r\n$ sudo yum -y install libva-utils libva-vdpau-driver\r\n$ vainfo\r\nlibva info: VA-API version 0.40.0\r\nlibva info: va_getDriverName() returns 0\r\nlibva info: Trying to open \/usr\/lib64\/dri\/nvidia_drv_video.so\r\nlibva info: Found init function __vaDriverInit_0_40\r\nlibva info: va_openDriver() returns 0\r\nvainfo: VA-API version: 0.40 (libva )\r\nvainfo: Driver version: Splitted-Desktop Systems VDPAU backend for VA-API - 0.7.4\r\n\uff08\u7565\uff09\r\n<\/pre>\n
vlc\u3092\u8d77\u52d5\u3057\u305f\u3068\u304d\u306b\u767a\u751f\u3059\u308b\u30a8\u30e9\u30fc\u306f\u3001\u4ee5\u4e0a\u3067\u89e3\u6c7a\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u8d77\u52d5\u6642\u306b\u30a6\u30a3\u30f3\u30c9\u30a6\u306e\u30b5\u30a4\u30ba\u6307\u5b9a\u304c\u3067\u304d\u308b\u3068\u5b09\u3057\u3044\u306e\u3067\u3001\u305d\u3061\u3089\u3082\u8abf\u3079\u307e\u3057\u305f\u3002\u305f\u3060\u3001\u6307\u5b9a\u3059\u308b\u65b9\u6cd5\u304c\u3088\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<\/p>\n
\u8abf\u3079\u3066\u3044\u308b\u6700\u4e2d\u306b\u3001mpv\u3068\u3044\u3046\u30a2\u30d7\u30ea\u3082\u3042\u308b\u3053\u3068\u3092\u77e5\u308a\u307e\u3057\u305f\u3002\u305d\u3061\u3089\u3060\u3068\u6307\u5b9a\u3067\u304d\u305d\u3046\u306a\u306e\u3067\u3001\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u307f\u307e\u3057\u305f\u3002nux-desktop\u30ea\u30dd\u30b8\u30c8\u30ea\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n
mpv\u3067\u306f\u6bd4\u7387\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u30aa\u30d7\u30b7\u30e7\u30f3\u304c\u3042\u3063\u3066\u7c21\u5358\u306b\u6307\u5b9a\u3067\u304d\u307e\u3057\u305f\u3002\u30b3\u30f3\u30bd\u30fc\u30eb\u3078\u306e\u51fa\u529b\u3082\u5fc5\u8981\u306a\u3044\u306e\u3067 –really-quiet \u3082\u3064\u3051\u3066\u307e\u3059\u3002<\/p>\n
\r\n$ sudo yum -y install mpv\r\n$ mpv sample.mp4 --window-scale=0.2 --really-quiet &\r\n<\/pre>\n
\u3068\u3044\u3046\u3053\u3068\u3067\u3001mpv\u3092\u4f7f\u3063\u3066\u307f\u308b\u304b\u306a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Linux\u306evlc\u3067\u300cFailed to open VDPAU backend libvdpau_vdpau.so: \u5171\u6709\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u958b\u3051\u307e\u305b\u3093: \u305d\u306e\u3088\u3046\u306a\u30d5\u30a1\u30a4\u30eb\u3084\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u306f\u3042\u308a\u307e\u305b\u3093\u300d\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1379,1380,1378],"class_list":["post-19596","post","type-post","status-publish","format-standard","hentry","category-linux","tag-mpv","tag-vdpau","tag-vlc"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/19596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=19596"}],"version-history":[{"count":3,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/19596\/revisions"}],"predecessor-version":[{"id":19599,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/19596\/revisions\/19599"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=19596"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=19596"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=19596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}