Live555 output RTSP stream occasionally loses packets in RTP over TCP mode #144
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…ed, and the sound lags behind the picture
…ed, and the sound lags behind the picture
longyiluo
approved these changes
Jun 22, 2022
zhangxiaojingCAN
approved these changes
Jun 23, 2022
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PR描述:
live555 输出rtsp流偶尔丢包以rtp over tcp方式
详细描述:
原因:rtp报以tcp发送时，live555将包头和包体分开处理，包头采用了非阻塞方式（偶现发送失败情况），发送失败后则返回error（这也是丢包的原因）。测试发现在丢包花屏时，就是包头发送失败时。
处理方法:强制将rtp包头发送成功：如果发送失败，设置socket为阻塞模式，强制其发送成功后再返回。
关联issue:
fix #143