网络差的情况下网络暴涨,4M码率的码流网络带宽占用可以翻10倍 #373
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BigBigGrayWolf
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『4M码率的码流网络带宽占用可以翻10倍』是否指码率为4Mbps,但估算出来的pacing rate在20Mbps~50Mbps,而这会影响播放延时?如果码率为4Mbps,但估算的pacing rate远大于该码率,那传输会受限于实际码率,进入app-limited状态,大pacing rate的影响就比较小了。
tquic/src/congestion_control/copa.rs Line 39 in 9678772 |
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在Linux上用tc qdisc add dev eth0 root netem delay 30ms 150ms loss 5%模拟弱网。不限带宽使用copa算法(其他算法测试抗网络抖动效果没有copa好)的情况下带宽在20-50M之间波动。可以通过什么参数调整一下。在带宽增长不明显的情况下播放延时在1秒内吗?
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