ffmpeg -i background.mp4 -i overlay.mp4 -shortest -filter_complex "amix=duration=shortest; [1]colorkey=0x5CA371:0.2:0.0[ckout];[0][ckout] overlay=shortest=1" -y combined.mp4
ffmpeg -i %1 -f lavfi -i "color=s=1920x1080:c=green" -filter_complex "[0] scale=-1:1080:flags=neighbor [v]; [1][v] overlay=x=(W-w)/2:y=0:shortest=1" -y %1.resized.mp4
ffmpeg -f lavfi -i color=s=1920x1080:c=black -i %1 -filter_complex "[1] boxblur=5:1 [a];[a] scale=1920:-1 [b];[1] scale=-1:1080 [v]; [b] crop=1920:1080:0:0 [s]; [s][v] overlay=(W-w)/2:0" -y %1.ouput.mp4
ffmpeg -loop 1 -i image.png -f lavfi -i anullsrc=channel_layout=5.1:sample_rate=48000 -c:a aac -c:v libx264 -pix_fmt yuv420p -r 30 -t 60 -y -profile:v baseline video.mp4
ffmpeg -f lavfi -i anullsrc=channel_layout=5.1:sample_rate=48000 -t 30 -y audio.aac
Install-Package iTextSharp
using iTextSharp.text;
using iTextSharp.text.pdf;
using iTextSharp.text.pdf.parser;
...
StringBuilder sb = new StringBuilder();
using(PdfReader reader = new PdfReader(archivo))
{
//Leer desde la página 1 a n (No existe Página 0)
for (int i = 1; i < reader.NumberOfPages; i++)
{
sb.AppendLine(PdfTextExtractor.GetTextFromPage(reader, i));
}
}