![]() ![]() One of the -map arguments has now been changed to use (the output from the overlay filter) instead of (just the colorkeyed showwaves output) as the video source in your output.overlay is taking the still-image video as well as the video stream we just generated from showwaves and named and overlaying them so that the image in shows through the transparent parts we've keyed out in.scale=1280:-1 to scale one dimension to 1280 and scale the other proportionally keeping the aspect ratio. Download Optimus Prime PNG for non-commercial or commercial use now. All png & cliparts images on NicePNG are best quality. The original Soundwave toy (and his cassettes) began as part of Takaras Micro Change line, designed by Satoshi Koizumi, featuring household objects that. Large collections of hd transparent Optimus Prime PNG images for free download. scale=1280:720 takes the video from input #1, scales it to match our showwaves size, and names the output (background). Bumblebee And Optimus Prime Action Figureaction Figuregamers - Transformers 5 Bumblebee Figure.Download Soundwave PNG for non-commercial or commercial use now. All png & cliparts images on NicePNG are best quality. format=yuva420p is needed to convert both video streams to the same pixel format. Large collections of hd transparent Soundwave PNG images for free download.colorkey=0x000000:0.01:0.1 is going to take any black in the video generated by showwaves and make it transparent.Try something like: ffmpeg -i $audio -i $picture -filter_complex "showwaves=s=1280x720:mode=line,colorkey=0x000000:0.01:0.1,format=yuva420p scale=1280:720 overlay" -map "" -map 0:a -c:v libx264 -c:a copy output.mkvīreaking down the differences from your starting point: ![]() You need to add your image as another input, and then you can use something like the colorkey filter to make the showwaves visualization's background transparent and the overlay filter to blend the showwaves visualization and your background image. ![]()
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