H264 Sei, I'm working on an application where I need to insert some user unregistered SEI data in every frame before encoding it. 264/AVC视频编码标准中，并没有规定SEI payload type的范围，所以表征payload type的字节数是浮动的。语法分析如下解析SEI的内容要解析SEI，需要先将解析出每个NAL unit。然后type=6即为SEI。 SEI＝类型＋长度＋内容。对于AVCC和ANNEX B两种不同 AVC/H. Definition at line 41 of file h264_sei. I was trying to find this on my phone using the Air Force Enlisted Classification Directory but for some reason the hyperlinks on the It seems when I try to add an SEI message of unregistred data before encoding in the sample QS encoder, I am getting an invalid bitstream. 264/AVC specification then ported For some reason, converting this FLV file to h264 without the stream copy option strips away all the SEI messages from all IDR frames. 7 Bitstream Info SEI Message The bitstream info is a structure that describes the attributes of an H. 1. 概述本文档描述如何在 H. - h264-sei-parser/sei_parser. The stream layout is a structure that describes information about all layers present in the current simulcast streams.