QT视频播放不出来,报错 DirectShowPlayerService::doRender: Unresolved error code 80040266——没有安装视频解码器

出错1——没有安装视频解码器
DirectShowPlayerService::doRender: Unresolved error code 0x80040266
出错2——文件路径不对或者文件名是中文的
DirectShowPlayerService::doSetUrlSource: Unresolved error code 0x80004005 ()


Qt 中的多媒体播放,底层是使用DirectShowPlayerService,所以安装一个DirectShow解码器,例如LAV Filters,就可以解决运行出错问题

方法一:下载安装Lav Filters下载LAV Filters地址

https://github.com/Nevcairiel/LAVFilters/releases

https://yqcm01.baidupcs.com/file/0d593ba03823ee7529fb03512db63284?bkt=en-713b21d6dbc31398e56bf944c5b96adf10da1a5bc7f5010b9afe0be793faf8c605fbc7d575fe6f81131d69982887ef786696b84eaa0ff0680d7879f0a940b700&fid=2352291552-250528-491251169126203&time=1585277857&sign=FDTAXGERLQlBHSKfW-DCb740ccc5511e5e8fedcff06b081203-h1jSii%2B%2FToyQjaljwBKqwWcjz%2FA%3D&to=122&size=7355821&sta_dx=7355821&sta_cs=3&sta_ft=zip&sta_ct=7&sta_mt=7&fm2=MH%2CYangquan%2CAnywhere%2C%2Cjiangsu%2Ccmnet&ctime=1550578108&mtime=1550578108&resv0=-1&resv1=0&resv2=rlim&resv3=5&resv4=7355821&vuk=3010516432&iv=0&htype=&randtype=&newver=1&newfm=1&secfm=1&flow_ver=3&pkey=en-60aa12654662d9a9d9bd0e40e811238b397e66191402d0dbe991be3ae81771816b8c434251aac2ec302a36480df0a3aa0c960e7f6c580107305a5e1275657320&sl=76480590&expires=8h&rt=sh&r=815730703&vbdid=332583896&fin=LAVFilters-0.68.1-x64.zip&fn=LAVFilters-0.68.1-x64.zip&rtype=1&dp-logid=2005174277657984134&dp-callid=0.1&hps=1&tsl=80&csl=80&fsl=-1&csign=T4uCCLI9p7zvGDNL8CYrioQaT0U%3D&so=0&ut=6&uter=4&serv=0&uc=738096701&ti=12146e4ffd7df3c9a6d8521dc152af72ad26c440502e8aa1305a5e1275657320&reqlabel=250528_f_e5800b5e9f5ef0f10b7cb1e92fa8a82f_-1_15390636e5a5e46608ff23b58d95a53d&by=themis

选择“LAVFilters-0.74.1-Installer.exe",安装一下,就可以正常播放了:


方法二:下载安装K-Lite
安装k-lite解码器:
http://www.codecguide.com/download_k-lite_codec_pack_standard.htm

安装下载后的***.exe,再运行,即可正常播放。


对比:
两款软件只能二选一,推荐选择:K-Lite。
原因:
两款软件均采用Lav 算法,但LAV Filters 软件效果较差,总容易出现花屏现象。
卸载LAV Filters,再安装K-Lite后,问题解决,视频流利播放。

参考文章https://blog.csdn.net/birenxiaofeigg/article/details/104129207

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转载自blog.csdn.net/qq_37631516/article/details/105124407