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之前我调查过小红书直播下载。我看你是直接下载的.flv链接,就是用房间号直接下载比如 https://live-source-play-hw.xhscdn.com/live/569992765504845111.flv 这个简单,但是有一个问题就是不是原视频,码率会稍微低一些。我是用的 rtmp 协议下载的,感觉应该是更接近原视频,因为编码是 h265,码率比 flv 那个会高一些。flv 那个编码是 h264,我猜测是小红书服务器给重新编码了。rtmp那个协议有一个开源的 rtmpdump,但是你集成可能改动太大了。
昨天我超级助手,抓直播包的时候,发现还有一个 _orig.flv 的链接。这个链接就是简单的在链接加上尾缀,比如 https://live-source-play-hw.xhscdn.com/live/569992765504845111_orig.flv 这个视频编码还有码率都很接近(我没仔细对比)rtmp下载的视频。所以我建议你可以给小红书直播下载加一个这个下载原视频的选项。
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