> On Oct 21, 2019, at 9:36 PM, qw <applema...@163.com> wrote: > > The usage of id3 timed metadata can be found in the following link: > > > https://developer.apple.com/library/archive/documentation/AudioVideo/Conceptual/HTTP_Live_Streaming_Metadata_Spec/2/2.html#//apple_ref/doc/uid/TP40010435-CH2-DontLinkElementID_9 > Other than a general premise that it is to be used in transport streams served over HLS, I can’t find any info regarding usage, but it does spell out the implementation details fairly quickly.
I have ITU-T H.222.0 specs which is pretty much identical to the ISO specification, and Apple’s “Timed ID3” sounds like it falls into the “carriage in PES packets” method of 2.12.3 of that document. > > The format of metadata in flv is of AMF, and you can find some company has > implemented it, i.e. to convert amf into id3: > > > https://www.wowza.com/docs/how-to-use-timed-metadata-in-wowza-live-streaming-workflows > I still can’t figure out what you want to do. Do you have a source of real-time metadata that you want to include in a stream? I feel like this could have been a possible feature of ffserver if it were still around, maybe you should set your sight on whatever software is responsible for the actual streaming to do this. _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
