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添加DASH格式下载 #183

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aliofwind opened this issue Sep 4, 2019 · 7 comments · Fixed by #230
Closed

添加DASH格式下载 #183

aliofwind opened this issue Sep 4, 2019 · 7 comments · Fixed by #230
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feature-request 功能请求

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@aliofwind
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关于哪一项功能

现在正在测试的4K分辨率和已实装在客户端的HEVC编码都是DASH独占,FLV封装正在逐渐变成低优先级的兼容或备份选项
期望的效果
受限于DASH特性的原因,下载DASH确实需要手动重新封装音视频,但可以把DASH下载作为一个实验性功能先提供解析下载的部分

脚本版本

预览离线版

@the1812 the1812 added the feature-request 功能请求 label Sep 4, 2019
@the1812
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the1812 commented Nov 1, 2019

对编码有要求吗, 有的视频同时有avc1.640033hev1.1.6.L150.90两种编码, 我应该选择哪一个?

@aliofwind
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默认avc吧,hevc可以作为第二选项
其实hevc更省码率,网页播放器只能avc的原因是chrome为了推广VP9编码不提供hevc的解码器,Firefox就跟屁虫,所以现在hevc编码的流只在手机app里提供

@the1812
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the1812 commented Nov 8, 2019

可以更新试试了, 格式选DASH应该就能够下载.m4s文件

@aliofwind
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下载是可以了,就是文件名能不能把视频用mp4,音频用m4a区分开来,现在1.m4s和2.m4s做合并的时候容易搞混

@the1812
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the1812 commented Nov 9, 2019

可以了, 顺便问一下应该怎么合并它们?

@aliofwind
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合并的话我是直接用ffmpeg合并
ffmpeg -i 视频.mp4 -i 音频.m4a -c copy 合并后视频.mp4

@the1812
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the1812 commented Nov 9, 2019

好的 多谢

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