[Ffmpeg-devel] Ffplay : make snapshot

[Kevin Petiot]

Thanks for the tip. I used img_convert and a function like the one make by
Martin B?hme in avcodec_sample.cpp to make the copy and it work fine.


Kevin


Selon Richard Khoury <richiek at optushome.com.au>:

> The frames will be in memory as YUV or RGB. Use img_convert to get it
> into a format you want and then use a nice library to export the raw
> data into a nicer image format (.png, .jpg, etc.). Imlib2 is quite
> quick but there may be other options available within the ffmpeg
> library of which I'm not aware.
>
> Richiek.
>
>  In the year 2006, of the Month of July, on the 18th day, Kevin Petiot wrote:
> > Hey everyone.
> >
> > I'm modifing Ffplay, in order to make it a preview player for video
> editing. I
> > did some marker in and out function, in order to play only a part from a
> video.
> > But I would like to capture the markers and save them to image.
> > I first think to use SDL_SaveBMP() in oder to copy the screen surface. But
> when
> > I am doing it, I'am geting a black picture (with the good size) but not the
> > image I would like.
> > I guess it is because of the using of Overlay system. But I have no idea
> how I
> > can get a snasphot of a video in this case.
> >
> > Is anybodie have a Idea what I can do and how ?
> >
> >
> > Regards,
> > Kevin
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