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askiter avatar askiter commented on June 15, 2024

另外我看到 6.1版本中,已经添加了 对 enhanced-rtmp 的支持
https://veovera.github.io/enhanced-rtmp/enhanced-rtmp.pdf
不知道是否会影响这里对国内支持hevc的方式

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pedoc avatar pedoc commented on June 15, 2024

另外我看到 6.1版本中,已经添加了 对 enhanced-rtmp 的支持

6.1中的确默认就支持hevc on flv,他自己是既可以推又可以播.但是这个版本推出去的flv,原本能播的flv播放器现在不能播了.
因为之前5.x也都是使用新增codecid=12的形式,而6.1上实现方式不同(也就是这里的enhanced-rtmp),所以部分国内播放器没做兼容,导致播不了

我使用当前版本直接覆盖6.1下同名文件也是能正常编译的.

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askiter avatar askiter commented on June 15, 2024

恐怕国内的codecid=12这种模式,现在的6.1版本比较难修改实现兼容
而且国内环境,目前基本不可能考虑兼容 enhanced-rtmp

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pedoc avatar pedoc commented on June 15, 2024

现在的6.1版本比较难修改实现兼容

对,但是既然官方实现了,国内做兼容应该也是时间问题.
在5.1.2上结合网上的信息有一个patch(https://gitee.com/pedoc/FFmpeg/commit/a61f1502aba974de0531d7248e630228ea82cf7a),
我尝试将这个patch原样移植到6.1是不能播的.
对ffmpeg接触比较少,希望有大佬能出手

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askiter avatar askiter commented on June 15, 2024

flv.h flvenc.c flvdec.c 这三个文件在6.1版本的变化都比较大,我也试了一下,不行
希望有大佬能出手

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th1nk3r-ing avatar th1nk3r-ing commented on June 15, 2024

详解Enhanced-RTMP支持H.265

简单一句话总结兼容性:上行推流国内外两种推流都能兼容,但是下行仅仅提供 CodecID=12 的国内 H.265 方案支持。

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