[FFmpeg-user] PCR sync is required for audio-video sync ?

Ran Shalit ranshalit at gmail.com
Tue Sep 1 18:12:14 CEST 2015


I would like to ask , if someone from experience can say if PCR sync
between encoder and decoder is required for ts streaming, when it
required to acheive audio-video sync ?

I ask the question becuase I've noticed that some ts samples I am
using are played perfectly with VLC, even though there is no usage of
PCR sync (I see in wireshark that PCR flag is always 0).

for example:


Thank you,

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