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Cześć,
Modułu jądra v4l2loopback można użyć do utworzenia wirtualnego urządzenia video - np. takiej wirtualnej kamerki.
Jednak ani strony internetowe, ani popularny "Cheese" nie odnajdują takiego urządzenia.
Dopiero VLC po wskazaniu "urządzenia przechwytywania" np. /dev/video1 wreszcie pokazuje obraz.
[b]Coś można z tym zrobić?[/b]
co robię:
ładuje moduł, np tak:
#modprobe v4l2loopback devices=2
po tym widoczne są dwa "urządzenia" /dev/video0 i /dev/video1,
na jedno z nich "wrzucam" obraz z pulpitu:
ffmpeg -f x11grab -r 15 -s 800x400 -i :0.0+0,0 -vcodec rawvideo -pix_fmt yuv420p -threads 0 -f v4l2 /dev/video1[/quote]
i tyle.
Offline
Time (s) | Query |
---|---|
0.00013 | SET CHARSET latin2 |
0.00007 | SET NAMES latin2 |
0.00182 | SELECT u.*, g.*, o.logged FROM punbb_users AS u INNER JOIN punbb_groups AS g ON u.group_id=g.g_id LEFT JOIN punbb_online AS o ON o.ident='3.145.12.242' WHERE u.id=1 |
0.00084 | REPLACE INTO punbb_online (user_id, ident, logged) VALUES(1, '3.145.12.242', 1714022598) |
0.00041 | SELECT * FROM punbb_online WHERE logged<1714022298 |
0.00058 | DELETE FROM punbb_online WHERE ident='185.191.171.13' |
0.00079 | DELETE FROM punbb_online WHERE ident='3.136.26.20' |
0.00094 | DELETE FROM punbb_online WHERE ident='47.128.56.193' |
0.00073 | DELETE FROM punbb_online WHERE ident='54.36.148.95' |
0.00072 | DELETE FROM punbb_online WHERE ident='54.36.149.107' |
0.00069 | DELETE FROM punbb_online WHERE ident='54.36.149.89' |
0.00071 | DELETE FROM punbb_online WHERE ident='85.208.96.212' |
0.00072 | SELECT topic_id FROM punbb_posts WHERE id=308572 |
0.00089 | SELECT id FROM punbb_posts WHERE topic_id=29344 ORDER BY posted |
0.00056 | SELECT t.subject, t.closed, t.num_replies, t.sticky, f.id AS forum_id, f.forum_name, f.moderators, fp.post_replies, 0 FROM punbb_topics AS t INNER JOIN punbb_forums AS f ON f.id=t.forum_id LEFT JOIN punbb_forum_perms AS fp ON (fp.forum_id=f.id AND fp.group_id=3) WHERE (fp.read_forum IS NULL OR fp.read_forum=1) AND t.id=29344 AND t.moved_to IS NULL |
0.00005 | SELECT search_for, replace_with FROM punbb_censoring |
0.00072 | SELECT u.email, u.title, u.url, u.location, u.use_avatar, u.signature, u.email_setting, u.num_posts, u.registered, u.admin_note, p.id, p.poster AS username, p.poster_id, p.poster_ip, p.poster_email, p.message, p.hide_smilies, p.posted, p.edited, p.edited_by, g.g_id, g.g_user_title, o.user_id AS is_online FROM punbb_posts AS p INNER JOIN punbb_users AS u ON u.id=p.poster_id INNER JOIN punbb_groups AS g ON g.g_id=u.group_id LEFT JOIN punbb_online AS o ON (o.user_id=u.id AND o.user_id!=1 AND o.idle=0) WHERE p.topic_id=29344 ORDER BY p.id LIMIT 0,25 |
0.00082 | UPDATE punbb_topics SET num_views=num_views+1 WHERE id=29344 |
Total query time: 0.01219 s |