Generate a solid color H.264 video with the color video source filter (color Hex code)

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The following uses a video source generator and the color filter to generate a solid color video.

The generated video frames are then scaled using -s 1280x720 and a 30 fps h.264 video is generated using -r 30 -c:v libx264 -crf 31.

Since this generated creates unlimited frames, the -t 5 parameter limits the output to 5 seconds.

ffmpeg -f lavfi -i "color=c=0x4d1a7f" -s 1280x720 -r 30 -c:v libx264 -crf 31 -t 5 solid.mp4