[FFmpeg-user] How soon can an a video segment be ready for reading ?

[Ted Park]

> On Feb 8, 2019, at 8:01 PM, Subrata Goswami <subrata at ambient.ai> wrote:
> 
> Trying to read the file  as soon as it is written ( with a simple piece of
> code) throws the following error.
> 
> [mov,mp4,m4a,3gp,3g2,mj2 @ 0x7f1a60002200] moov atom not found

When you say “as soon as it is written,” do you mean as soon as the file is opened for writing (when the file appears) or after it’s finished writing and it begins to write the next segment?

In the first case, obviously you will never be able to play back, it’s probably empty.