<div dir="auto"><div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">ср, 14 мая 2025 г., 21:38 Rakesh Chowdhury <<a href="mailto:rakeshchow202@gmail.com" target="_blank" rel="noreferrer">rakeshchow202@gmail.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello Andrew,<br>
<br>
Thanks a lot for responding! I appreciate it.<br>
<br>
I'm just pretty much new to libav and c++ is not really in my league.<br>
<br>
Is there any simple example I can follow?<br></blockquote></div></div><div dir="auto"><br></div><div dir="auto">may be here?</div><div dir="auto"><br></div><div dir="auto"><a href="https://topic.alibabacloud.com/a/the-simplest-example-of-avdevice-based-on-ffmpeg-read-camera_8_8_31628710.html" target="_blank" rel="noreferrer">https://topic.alibabacloud.com/a/the-simplest-example-of-avdevice-based-on-ffmpeg-read-camera_8_8_31628710.html</a></div><div dir="auto"><br></div><div dir="auto">links to</div><div dir="auto"><br></div><div dir="auto"><a href="Https://sourceforge.net/projects/simplestffmpegdevice/">Https://sourceforge.net/projects/simplestffmpegdevice/</a></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
Thank you very much again<br>
<br>
On Wed, May 14, 2025 at 7:21 PM Andrew Randrianasulu<br>
<<a href="mailto:randrianasulu@gmail.com" rel="noreferrer noreferrer" target="_blank">randrianasulu@gmail.com</a>> wrote:<br>
><br>
> On Wed, May 14, 2025 at 4:38 PM Rakesh Chowdhury<br>
> <<a href="mailto:rakeshchow202@gmail.com" rel="noreferrer noreferrer" target="_blank">rakeshchow202@gmail.com</a>> wrote:<br>
> ><br>
> > Hello libav-devel,<br>
> ><br>
> > I'm new to the libav library and have been learning through FFmpeg<br>
> > tutorials and documentation.<br>
> ><br>
> > I'm trying to implement a screen capture functionality similar to the<br>
> > following FFmpeg command-line example using C code with libav:<br>
> ><br>
> > `ffmpeg -filter_complex ddagrab=0,hwdownload,format=bgra -c:v libx264<br>
> > -crf 20 output.mkv`<br>
> ><br>
> > Specifically, I'm looking for guidance on how to translate this<br>
> > particular filter graph (ddagrab=0,hwdownload,format=bgra) into the<br>
> > libav C API. I've searched online but haven't found any relevant<br>
> > examples for this specific combination of filters.<br>
> ><br>
> > Would someone be able to provide an example or point me towards<br>
> > resources that demonstrate how to achieve this screen capture and<br>
> > format conversion using libav in C?<br>
><br>
> I only compiled recently this Linux screengragger utility, but<br>
> hopefully it contain some ideas?<br>
><br>
> <a href="https://git.dec05eba.com/gpu-screen-recorder/about/" rel="noreferrer noreferrer noreferrer" target="_blank">https://git.dec05eba.com/gpu-screen-recorder/about/</a><br>
><br>
><br>
> ><br>
> > Thank you for your time and assistance.<br>
> > _______________________________________________<br>
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<br>
<br>
-- <br>
<br>
Signed-Off By: Rakesh Chowdhury<br>
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</blockquote></div></div></div>