ср, 14 мая 2025 г., 21:38 Rakesh Chowdhury <[email protected]>:
> Hello Andrew, > > Thanks a lot for responding! I appreciate it. > > I'm just pretty much new to libav and c++ is not really in my league. > > Is there any simple example I can follow? > may be here? https://topic.alibabacloud.com/a/the-simplest-example-of-avdevice-based-on-ffmpeg-read-camera_8_8_31628710.html links to Https://sourceforge.net/projects/simplestffmpegdevice/ > Thank you very much again > > On Wed, May 14, 2025 at 7:21 PM Andrew Randrianasulu > <[email protected]> wrote: > > > > On Wed, May 14, 2025 at 4:38 PM Rakesh Chowdhury > > <[email protected]> wrote: > > > > > > Hello libav-devel, > > > > > > I'm new to the libav library and have been learning through FFmpeg > > > tutorials and documentation. > > > > > > I'm trying to implement a screen capture functionality similar to the > > > following FFmpeg command-line example using C code with libav: > > > > > > `ffmpeg -filter_complex ddagrab=0,hwdownload,format=bgra -c:v libx264 > > > -crf 20 output.mkv` > > > > > > Specifically, I'm looking for guidance on how to translate this > > > particular filter graph (ddagrab=0,hwdownload,format=bgra) into the > > > libav C API. I've searched online but haven't found any relevant > > > examples for this specific combination of filters. > > > > > > Would someone be able to provide an example or point me towards > > > resources that demonstrate how to achieve this screen capture and > > > format conversion using libav in C? > > > > I only compiled recently this Linux screengragger utility, but > > hopefully it contain some ideas? > > > > https://git.dec05eba.com/gpu-screen-recorder/about/ > > > > > > > > > > Thank you for your time and assistance. > > > _______________________________________________ > > > Libav-user mailing list > > > [email protected] > > > https://ffmpeg.org/mailman/listinfo/libav-user > > > > > > To unsubscribe, visit link above, or email > > > [email protected] with subject "unsubscribe". > > _______________________________________________ > > Libav-user mailing list > > [email protected] > > https://ffmpeg.org/mailman/listinfo/libav-user > > > > To unsubscribe, visit link above, or email > > [email protected] with subject "unsubscribe". > > > > -- > > Signed-Off By: Rakesh Chowdhury > _______________________________________________ > Libav-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/libav-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". >
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