When I use ffmpeg with mjpeg encoder without hardware acceleration, everything works fine. I use following command: ffmpeg -nostdin -rtsp_transport udp_multicast -allowed_media_types 'video' -i 'r...

I am trying to transcode a 4K HEVC HDR video to a lower bitrate using ffmpeg and VAAPI hardware acceleration for my LG OLED television. I use the following file: Video Using the following command...

Setup is Linux, ffmpeg using kabylake iGPU. I am capturing a running sway instance using the kmsgrab device, which requires the use of a hardware backend to coherently process the image on my hard...

I'm trying to implement vp9 hardware acceleration encoding process. I followed ffmpeg offical github's example (Here -> vaapi_encode.c). But given example only save a .yuv file to .h264 file, I wo...

I've seen various examples of using libavcodec with vaapi to accelerated decoding, but how do you use it to accelerate encoding?