{"id":255,"date":"2011-12-08T13:07:52","date_gmt":"2011-12-08T12:07:52","guid":{"rendered":"http:\/\/haos.hopto.org\/blog\/?p=255"},"modified":"2019-12-24T10:29:45","modified_gmt":"2019-12-24T09:29:45","slug":"nagrywanie-pulpitu","status":"publish","type":"post","link":"https:\/\/haos.hopto.org\/blog\/2011\/12\/08\/nagrywanie-pulpitu\/","title":{"rendered":"Nagrywanie pulpitu"},"content":{"rendered":"\n<p>Od d\u0142u\u017cszego czasu&nbsp;wykorzystuj\u0119&nbsp;<a title=\"ffmpeg\" href=\"http:\/\/ffmpeg.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">ffmpeg<\/a>&nbsp;do konwersji film\u00f3w, d\u017awi\u0119ku i wszelkiej ma\u015bci medi\u00f3w cyfrowych.&nbsp;Przed&nbsp;paroma dniami natkn\u0105\u0142em&nbsp; si\u0119 na niesamowite zastosowanie jakim jest zgrywanie pe\u0142noekranowego pulpitu pod X-ami. Ot\u00f3\u017c wykonuje si\u0119 je na przyk\u0142ad tak:<\/p>\n\n\n<pre class=\"brush: bash; title: ; notranslate\" title=\"\">\nffmpeg -f x11grab -s 1600x900 -i :0.0+,224 -acodec mp3 -ac 1 -vcodec libx264 -threads 4 -f matroska capture.mkv\n<\/pre>\n\n\n\n<p>nie do\u015b\u0107 \u017ce obraz jest w wybranej rozdzielczo\u015bci (tu 1600&#215;900) to jeszcze stosujemy kompresj\u0119 H264 i pakujemy wszystko do formatu <a title=\"Matroska\" href=\"http:\/\/pl.wikipedia.org\/wiki\/Matroska\" target=\"_blank\" rel=\"noopener noreferrer\">Matroska<\/a><br>Dla mnie bomba!<\/p>\n\n\n\n<p>Aktualizacja: Nowsza wersja\u00a0\u0142api\u0105ca\u00a0opr\u00f3cz obrazu r\u00f3wnie\u017c d\u017awi\u0119k. Jest ma\u0142y problem z brakiem synchronizacji ale\u00a0og\u00f3lne\u00a0wra\u017cenie nadal \u015bwietne:<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\"><pre class=\"brush: bash; title: ; notranslate\" title=\"\">\n#!\/bin\/bash\n#\nNAME=$(basename $0)\nSNDFILE=$(mktemp \/tmp\/$NAME.XXXXXX) || exit 1\n\narecord -f S16_LE -c1 -r44100 -t wav $SNDFILE &amp;amp;amp;amp;amp; PIDaudio=$!\n\nffmpeg -y -i $SNDFILE -f x11grab -s 1600x900 -r 25 -i :0.0+,224 -vcodec libx264 -threads 0 -f matroska -acodec ac3 &quot;$1&quot; &amp;amp;amp;amp;amp; PIDvideo=$!\n\nread -p &quot;Press enter to stop recording&quot;\nkill $PIDvideo $PIDaudio\nrm -f $SNDFILE\n<\/pre><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Od d\u0142u\u017cszego czasu&nbsp;wykorzystuj\u0119&nbsp;ffmpeg&nbsp;do konwersji film\u00f3w, d\u017awi\u0119ku i wszelkiej ma\u015bci medi\u00f3w cyfrowych.&nbsp;Przed&nbsp;paroma dniami natkn\u0105\u0142em&nbsp; si\u0119 na niesamowite zastosowanie jakim jest zgrywanie pe\u0142noekranowego pulpitu pod X-ami. Ot\u00f3\u017c wykonuje si\u0119 je na przyk\u0142ad tak: nie do\u015b\u0107 \u017ce obraz jest w wybranej rozdzielczo\u015bci (tu &hellip;<\/p>\n<p class=\"read-more\"><a href=\"https:\/\/haos.hopto.org\/blog\/2011\/12\/08\/nagrywanie-pulpitu\/\">Czytaj wi\u0119cej &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[51,52,53],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-linux","tag-ffmpeg","tag-matroska","tag-nagrywanie-pulpitu"],"_links":{"self":[{"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":15,"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":937,"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/posts\/255\/revisions\/937"}],"wp:attachment":[{"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haos.hopto.org\/blog\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}