How is a video frame rate calculated in a transport stream?

[Anirban Chatterjee]

I am not sure though....You can try "fpsdisplaysink" to measure framerate.

On Fri, Feb 15, 2013 at 1:10 PM, Baby Octopus <jagadishkamathk at gmail.com>wrote:

> Hi,
>
> I want to know how is a video framerate calculated in a transport
> stream(frame rate of video/x-raw which comes out of decodebin)
>
> 1. Is it the job of demuxer(tsdemux)?Is it based on dts/pts present in
> transport PES in such a case? If dts/pts id not present how does it get
> calculated?
> 2. Is it the job of videoparse(h264parse)r?
> 3. Is it the job of video decoder(avdec_h264)?
>
> I'm using decodebin which internally is using libav decoders. I have this
> question because because certain H264 streams have a framerate of 0/1 when
> they come out of decodebin. I'm not sure why it is happening
>
> ~BO
>
>
>
>
>
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