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[SOLVED] Setting video PID and audio PID. (MPEG-TS …
https://creativecow.net/forums/thread/solved-setting-video-pid-and-audio-pid-mpeg-ts-ou/
Application needs specific video PID and audio PID and PCR PID and PMT PID, and i try the command as you said . ffmpeg -i input.mp4 -codec:v copy -codec:a copy -streamid 0:50 -streamid 1:52-f mpegts output.ts. Result is video and audio ‘s pid are correct , but this command changed PCR PID too . I don’t understand why ?
Transport streams 101 | TV Tech - TVTechnology
https://www.tvtechnology.com/news/transport-streams-101
Packet identifiers (PIDs) are used for this function and are attached to each packet in the TS. PID numbering is arranged to keep associated packets grouped together. For example, the MEPG-2 video would be PID 65, while the associated AC-3 audio is PID 68; another program has its MPEG-2 at PID 81 and AC-3 at PID 84. Program map table
An introduction to MPEG-TS - TSDuck
https://tsduck.io/download/docs/mpegts-introduction.pdf
•A transport stream is a multiplex of elementary streams •elementary stream = sequence of TS packets with same PID value in header •one set of elementary streams for global signalization describe the TS, the network, the operator, the services, the events, EMM’s, etc. •one set of elementary streams per service
Transport Stream Playout System for MPEG-TS using …
https://research.ijcaonline.org/volume117/number16/pxc3903324.pdf
All this information in TS files come in TS packets with some specific PID values. There are two parameters i.e. Transport Stream ID and Version Number in PAT table that should be same for all TS. PMT table contains audio-video information about TS. New CRC values are re calculated according to changes.
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