On Thu, 2022-01-27 at 21:08 +0800, [email protected] wrote: > hello: > I check it to tag 5.0 and the command run correctly, but the cpu is very high. > I am not sure it used the gpu to decoder, scale, overlay and encoder. I don't > know how to make sure it used the gpu.
You may run `intel_gpu_top` to check the usage of each engine (Render/3D and Video etc) Thanks Haihao > From: [email protected] > Date: 2022-01-27 20:24 > To: [email protected] > Subject: Re: [FFmpeg-user] how to set the color background when i use > overlay_qsv > Thanks for your answer. I will try the latest version. My ffmpeg download > from https://github.com/FFmpeg/FFmpeg, and i checkout it to tag n4.4 > ,then i build it on the ubuntu system. > > From: Xiang, Haihao > Date: 2022-01-27 14:40 > To: [email protected] > Subject: Re: [FFmpeg-user] how to set the color background when i use > overlay_qsv > On Thu, 2022-01-27 at 11:04 +0800, [email protected] wrote: > > hello: > > I want to splice four or more video into one video,i want to set the > > background to a fixed size and the color is black, so i must scale the image > > then overlay. > > > > My environment is ubuntu and I used command is: > > > > ffmpeg -i h1.mp4 -i h2.mp4 -i h3.mp4 -i h4.mp4 -filter_complex > > "color=c=black:s=1920x1080[bg];[0:v]scale=iw/2:-1[img0];[1:v]scale=iw/2:- > > 1[img1];[2:v] scale=iw/2:-1[img2];[3:v]scale=iw/2:- > > 1[img3];[bg][img0]overlay=shortest=1[out0];[out0][img1]overlay=shortest=1:x= > > w[ > > out1];[out1][img2]overlay=shortest=1:y=h[out2];[out2][img3]overlay=shortest= > > 1: > > x=w:y=h" -y out.mp4 > > > > ---------------------------------------------------------------------------- > > -- > > ---------------------------------------------------------------------------- > > -- > > ----- > > the comman is correct,but when i change it to qsv. It's not working > > correctly: > > > > ./ffmpeg -hwaccel qsv -c:v h264_qsv -i h1.mp4 -hwaccel qsv -c:v h264_qsv > > -i h2.mp4 -hwaccel qsv -c:v h264_qsv -i h3.mp4 -hwaccel qsv -c:v h264_qsv -i > > h4.mp4 -filter_complex "color=black:r=30:size=1920x1080:sar=1/1, > > hwupload=extra_hw_frames=64,format=qsv[bg];[0:v]scale_qsv=iw/2:ih/2[img0];[1 > > :v > > ]scale_qsv=iw/2:ih/2[img1];[2:v] > > scale_qsv=iw/2:ih/2[img2];[3:v]scale_qsv=iw/2:ih/2[img3];[bg][img0]overlay_q > > sv > > =shortest=1[out0];[out0][img1]overlay_qsv=shortest=1:x=w[out1];[out1][img2]o > > ve > > rlay_qsv=shortest=1:y=h[out2];[out2][img3]overlay_qsv=shortest=1:x=w:y=h" -y > > out.mp4 > > > > output: > > [hwupload @ 0x5593003e07c0] A hardware device reference is required to > > upload > > frames to. > > [Parsed_hwupload_1 @ 0x5593003e0680] Query format failed for > > 'Parsed_hwupload_1': Invalid argument > > Error reinitializing filters! > > Failed to inject frame into filter network: Invalid argument > > Error while processing the decoded data for stream #3:0 > > Conversion failed! > > ---------------------------------------------------------------------------- > > -- > > ---------------------------------------------------------------------------- > > -- > > ---- > > ./ffmpeg -init_hw_device qsv=hw -filter_hw_device hw -hwaccel qsv -c:v > > h264_qsv -i h1.mp4 -hwaccel qsv -c:v h264_qsv -i h2.mp4 -hwaccel qsv -c:v > > h264_qsv -i h3.mp4 -hwaccel qsv -c:v h264_qsv -i h4.mp4 -filter_complex > > "color=black:r=30:size=1920x1080:sar=1/1, > > hwupload=extra_hw_frames=64,format=qsv[bg];[0:v]scale_qsv=iw/2:ih/2[img0];[1 > > :v > > ]scale_qsv=iw/2:ih/2[img1];[2:v] > > scale_qsv=iw/2:ih/2[img2];[3:v]scale_qsv=iw/2:ih/2[img3];[bg][img0]overlay_q > > sv > > =shortest=1[out0];[out0][img1]overlay_qsv=shortest=1:x=w[out1];[out1][img2]o > > ve > > rlay_qsv=shortest=1:y=h[out2];[out2][img3]overlay_qsv=shortest=1:x=w:y=h" -y > > out.mp4 > > > > > > output: > > [Parsed_overlay_qsv_7 @ 0x563881a99180] Inputs with different underlying QSV > > devices are forbidden. > > [Parsed_overlay_qsv_7 @ 0x563881a99180] Failed to configure output pad on > > Parsed_overlay_qsv_7 > > Error reinitializing filters! > > Failed to inject frame into filter network: Invalid argument > > Error while processing the decoded data for stream #3:0 > > Conversion failed! > > ---------------------------------------------------------------------------- > > -- > > ---------------------------------------------------------------------------- > > -- > > ---- > > I want to know How can I modify my command to run correctly. Thank you. > > What is the version of your FFmpeg? Your command work for me with the latest > FFmpeg (https://git.ffmpeg.org/gitweb/ffmpeg.git/shortlog/refs/heads/master). > There is a green line at the bottom of each scaled image with your command, > you > may try vpp_qsv instead of scale_qsv. We will fix the green line issue in > scale_qsv > Thanks > Haihao > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". > _______________________________________________ > ffmpeg-user mailing list > [email protected] > https://ffmpeg.org/mailman/listinfo/ffmpeg-user > > To unsubscribe, visit link above, or email > [email protected] with subject "unsubscribe". _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
