PES ES TS格式相互转换，ES流：也叫基本码流，包含视频、音频或数据的连续码流。
PES流：也叫打包的基本码流，是将基本的码流ES流根据需要分成长度不等的数据包，并加上包头就形成了打包的基本码流PES流。
TS流：也叫传输流，是由固定长度为188字节的包组成，含有独立时基的一个或多个节目，适用于误码较多的环境。
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001181s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.088295s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001048s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001111s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001165s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003292s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000919s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003886s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.024272s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001739s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 261673 [ RunTime:0.891115s ]
