[Libav-user] Frame number

[Hector Alonso]

Hi, you have to use the decoding or presentation timestamp and calculate it
from the frame rate  (time base of the stream).

On Thu, Jun 28, 2012 at 10:09 AM, Jonas Elofsson <jelofsson at gmail.com>wrote:

> Hi,
>
> Resending this, it seems my first post never got through...
>
> I'm taking the first, trembling steps to use FFMpeg in Qt, primary for a
> video editing SW. So far it is working good, I can decode frames to a
> QImage in Qt and display them on a label. Even video playback works good on
> a QLabel up to 200 frames/s or so.
>
> But, what I cannot find is a way to see what frame (displayed framenumber)
> I just decoded. Coded framenumber I can see, but they are (of course) not
> useable directly, and also are not available for all formats. Displayed
> framenumber is not working, either always 0, 0x80000000... or other
> none-telling values.
>
> What I need is a good, solid way to always be able to identify the current
> frame number.
>
> If you have a solution or just an idea, please let me know!
>
> Best regards, Jonas
>
>
>
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