为什么解压缩的视频文件无法播放

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select * from tbl_Articles WHERE ArticleID=2842053 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=2842053 LIMIT 0,1
select * from tbl_Articles_sphinx where id=2842053 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1070284,1108976,1095700,1063159,1067207,1060391,1045833,1086097,1093140,1080086,1064883,1048506,1092139,1054832,1100889,1082203,1096993,1114000,1089464,1086498,1086434,1107833,1129585,1049440,1065928,1099857,1095792,1108229,1130911,1073365) ORDER BY field (ArticleID,1070284,1108976,1095700,1063159,1067207,1060391,1045833,1086097,1093140,1080086,1064883,1048506,1092139,1054832,1100889,1082203,1096993,1114000,1089464,1086498,1086434,1107833,1129585,1049440,1065928,1099857,1095792,1108229,1130911,1073365)