villebas.blogg.se - Ffmpeg crf vs q

Take a look how it is used in Demo scene for implementation of Progress Bar.

Stream #0:0(eng): Video: h264 (Baseline) (avc1 / 0x31637661), yuv420p, 720x480, 1989 kb/s, SAR 1:1 DAR 3:2, 28.66 fps, 29.50 tbr, 22500 tbn, 45k tbcĪs you can see many more info about video file is available for parsing from the log in OnProgress method.

You can do it parsing first occurrence of Duration info, here is how it looks in the received log:

ffmpeg -i -c:v libx264 -crf 23 -maxrate 1M -bufsize 2M ffmpeg -i -c:v.

To organize commands loop for every sliced part of video you have to know video file duration. input file, while retaining as much quality as possible. Also you can do the same with FFmpegCommand.DirectInput method for more flexibility.įor custom command implementation take a look here:

You can use FFmpegCommand.Trim method in the loop starting it every time when OnFinish method of previous operation is called.