问题描述
什么是Base64编码德codeD字节sprop参数集的h264码流的意义SDP?我怎么能知道从这个例子视频的大小?
What is the meaning of Base64 decoded bytes in sprop-parameter-sets in SDP for a h264 stream? How can I know the video size from this example?
SDP例如:
sprop-parameter-sets=Z0IAKeNQFAe2AtwEBAaQeJEV,aM48gA==
从Base64的第一部分德coded到Base16:
First part decoded from Base64 to Base16:
67 42 00 29 E3 50 14 07 B6 02 DC 04 04 06 90 78 91 15
第二部分(逗号分隔):
Second part (comma separated):
68 CE 3C 80
答:
推荐答案
您需要的规格可从国际电联网站在这里免费下载: -
The spec you require is available for free download from the ITU website here:-H.264 (03/10)
选择免费下载的PDF格式,你会发现的格式在第7.3.2.1.1详细。
Select the freely downloadable PDF and you'll find the format detailed in section 7.3.2.1.1.
对不起,没有被钝我的previous回答,只是不知道这些信息在公共领域是可用的。
Sorry, wasn't being obtuse with my previous answer, just didn't know that the information was available in the public domain.
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