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63 lines
1.4 KiB
63 lines
1.4 KiB
3 years ago
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# 前提
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1. 横琴海关处通过光纤连往公安处
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2. 流媒体服务器 44.49.76.117
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# 问题
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1. 视频点播花屏
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2. 视频点播超过三四路后点播失败
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## 调整摄像头参数（解决花屏）
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```
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码流类型：主码流
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视频类型：复合流 => 视频流
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分辨率：1080P
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码率类型：编码率 => 定码率
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图像质量：中
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视频帧率：15/20/25
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码率上限：1080P(2048* or 4096),720P(1024* or 2048)
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视频编码：H.264
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Smart264：关闭
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编码复杂度：高 => 低（能关闭最好关闭）
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I帧间隔：视频帧率*2
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SVC：关闭
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```
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## 调整 ZLMediaKit 参数
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```
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# 调试过程使用 Debug 版本，正式使用最好使用 Release 版本
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[api]
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apiDebug=1 => 0
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[general]
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wait_track_ready_ms=3000 => 30000
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wait_track_ready_ms=3000 => 30000
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# 按需取流，按需求配置
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[rtc]
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externIP= => 对接网卡ip
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```
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## 调整 linux 参数
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```
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# https://github.com/ZLMediaKit/ZLMediaKit/issues/1221
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# https://www.cnblogs.com/yorkyang/p/7689096.html
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# https://github.com/ZLMediaKit/ZLMediaKit/issues/961
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# https://codeantenna.com/a/GVZDrrzWI5
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# 调整内核参数
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cat /proc/sys/net/core/rmem_max
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cat /proc/sys/net/core/wmem_max
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# 212992(208KB)
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# 从 208KB 调整至 1MB
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# 临时调整
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echo 1048576 > /proc/sys/net/core/rmem_max
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echo 1048576 > /proc/sys/net/core/wmem_max
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# 永久调整
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vim /etc/sysctl.conf
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net.core.rmem_max = 1048576
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net.core.wmem_max = 1048576
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```
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