![]() ![]() ![]() You may also try to generate new palette for each frame, so you can skip the first pass, and use the new option in the paletteuse filter. You might need to fiddle with the params and the dithering methods to achieve best result. ![]() Then, use this color template to generate the actual gif file: ffmpeg -i -i palette.png -filter_complex "fps=10 scale=500:-1:flags=lanczos paletteuse=dither=sierra2_4a" -t 10 On the other side, you can achieve better results with ffmpeg only.įirst, I'd generate a palette of the input video: ffmpeg -i -filter_complex "fps=10 scale=500:-1:flags=lanczos,palettegen=stats_mode=full" -t 10 palette.png If I run that merged video it continuously looses quality at each second, at the first few seconds the quality is ok but later on it looses quality (the. That works, but something strange happens. (Also, there's no such things like "huge" pixels, they are the atomic elements of raster images.) ffmpeg -i background.mpg -i Menu.png -filtercomplex ' 0:v 1:v overlay25:25:enable'between (t,0,30)'' -pixfmt yuv420p -c:a copy merge1.mpg. For best results, I'd recommend floyd_steinberg or sierra2_4a, and maybe bayer with scale set to 3. I suppose you have no imageMagick installed on your environment, because "convert" is one of IM's tools.Īs for the video artifacts, it is caused by the default dithering method in FFmpeg. ffmpeg -loop 1 -framerate 1 -i image.jpg -i music.mp3 \ -c:v libx264 -preset veryslow -crf 0 -c:a copy -shortest output.mkv. It is slower than the stream copy method below, but potentially will output a smaller file size. Shell_exec("/usr/bin/ffmpeg -i video.mkv -r 20 -f image2pipe -vcodec ppm - | convert -delay 5 - output.gif") This method uses libx264 to encode H.264 video. ![]()
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