test video generator

test_video_generator.sh

#!/bin/bash

START_COUNT=0
END_COUNT=2000
SIZEs=( 400x400 1920x1080 )
FPSs=( 30 60 75 90 120)
FONT_SIZE=150

for size in "${SIZEs[@]}"
do
	for fps in "${FPSs[@]}"
	do
		echo "create $fps fps, $size image..."
		mkdir -p "${fps}_${size}"
		for ((i=START_COUNT; i<=END_COUNT; i++)); do
			echo -ne "generate ... ${i}\r"
			convert -size $size xc:White -gravity Center -pointsize $FONT_SIZE -font DejaVu-Sans-Mono -annotate 0 "$i" -gravity North -pointsize 30 -annotate 1 "${fps} FPS, ${size}"  ${fps}_${size}/$(printf '%04d' $i).png 
		done
		echo "create ${fps} FPS video..."
		ffmpeg -y -framerate $fps -pattern_type glob -i "${fps}_${size}/*.png" -c:v libx264 -vf format=yuv420p "${fps}fps_${size}.mp4"
		echo "${fps}fps_${size}.mp4 done"
		rm -rf "${fps}_${size}"
	done
done