Codec mpeg1 payload

Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Ask Question. Asked 8 years, 7 months ago. Active 3 years, 8 months ago. Viewed times. Add a comment. Active Oldest Votes. The sync word gives an entry point to someone that looks at the stream, and allows a program to synchronize his process with the stream, hence the name. It also allows a fast browsing and parsing of the stream: in a TS you can jump from a packet to another inspect header, check sync byte, skip bytes and so on Finally it is a safety measure that helps you to spot errors in the stream during transmission for example or in the process if a bug caused a bad alignment These argument are about TS but I think the same goes with your case : finding a sync word within a payload should not be an issue because you should always able to distinguish payload and header, most of the time with a length information either because the size is fixed like in TP or because you have a TLV format.

MP3 frames may be of variable sizes in an MP3 stream, and yes there is a documented formula to know a frame size from its header. But you still need to know where is this header. Say you connect to some MP3 stream source and what you first receive is the middle of a frame.

How do you know if the next fff is a sync word or some payload? There are bits following the sync which can be used to: identify a false positive or give you useful info With. The name to use at the command line is mp2v , but you can also use mpgv. The name to use at the command line is mp4v. The name to use at the command line is h This is an audio codec. The name to use at the command line is mpga.

The name to use at the command line is mp3. The name to use at the command line is mp4a. VLC can encode and decode this container. The module name to use at the command line is ts.

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