[Libav-user] I'll ask in other words - how can I force input frame rate?

[wl2776]

wl2776 wrote:
> 
> I'm writing an application, remuxing streams.
> It has the raw motion jpeg as an input and saves it to .avi files.
> 
> My problem is that motion jpeg has a frame rate of 2fps, but the resulting
> files have 25fps.
> I know the accurate frame rate value, because all my input frames have
> timetamps, stored separately.
> 
> I have the following code snippet:
> 
> 
> 
> However, av_dump_format anyway writes:
> 
> 
> That is, setting framerate to 2 fps had no effect.
> 
> However, I've managed to do the same using ffmpeg command line utility.
> It writes 2fps, 2tbr, 1200k tbn, 2 tbc and the resulting videos have
> correct frame rate.
> 
> Here is the full output:
> 
> 

So, it is possible to force input frame rate. How can I do it in my
application?

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