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[linux-dvb] Anybody know what PTS stands for?
I am doing some tests with adding subtitles to a recorded program.
Because it gives atm the best result (atm stands for at the moment hehe),
I am using AV_PES, and driver 0.7.1.
At least on my system this gives the least problems.
I have written a program that uses the on screen display to display
subtitles, without interfering with the program flow.
The subtitles are read from a data base (linked list) with numbers
for the start and end of each text.
I need a time reference, timecode would be great but I think it is not
in AV_PES.
But I found something called PTS when running check_av_pes on a AV_PES
stream.
It shows like:
V_PES Packet: Video Number: 0x72
length: 2432 prebytes: 0x00 postbytes: 0x00
AV_PES Packet: Video Number: 0x73
length: 6132 prebytes: 0x00 postbytes: 0x00 PTS: 0x483abd16
AV_PES Packet: Video Number: 0x74
length: 3696 prebytes: 0x00 postbytes: 0x04
Now what is this PTS, what does it stand for, and is it unique in the
stream?
Is there an easy way to find a true start of frame in AV_PES?
I have an other subtitle system (analog) that syncs on frames.
Could PTS be used as a unique reference, and how often does it occur
relative to frames?
I could not even finds the word 'PTS' in all the etsi docs on DTV I have.
What is this???
Anyone please?
Pegards
Jan
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