<?php

$count = isset($argv[1]) ? intval($argv[1]) : 1000;

// IMAGES ---------------------------

$start = hrtime(true);

for ($i = 1; $i <= $count; $i++) {
	$num = str_pad($i, 7, '0', STR_PAD_LEFT);
	$txt = preg_replace('/^(\d)(\d{3})(\d{3})$/', '${1} ${2} ${3}', $num);

	$draw = new ImagickDraw();
	$draw->setFillColor('#CCCCCC');
	$draw->setFont(__DIR__ . '/DigitalDismay.otf');
	$draw->setFontSize(120);
	$draw->annotation(427, 318, $txt);

	$img = new Imagick();
	$img->newImage(1280, 720, '#000000');
	$img->setImageFormat('png');
	$img->drawImage($draw);
	$img->writeImage(__DIR__ . "/images/{$num}.png");
}

$images_task_duration = (hrtime(true) - $start) / 1e+9;

// VIDEO ---------------------------

$start = hrtime(true);
$output = "{$count}.mp4";
exec("ffmpeg -framerate 60 -i images/%07d.png -r 60 -s 1280x720 -c:v libx264 {$output}");
$video_task_duration = (hrtime(true) - $start) / 1e+9;


// SUMMARY ---------------------------

printf("\n--------------------------------------\n");
printf("{$count} images generated in %s sec\n", $images_task_duration);
printf("Video generated in %s sec\n", $video_task_duration);
printf("Video size: %s Kb\n", filesize($output) / 1024);