This differs from compressing for archiving our own movies, because instead of being only concerned with Quality (setting everything on 'high' and letting it take as long as it needs), we must now balance Speed of the compression as well, being now more concerned with each of these settings and how they can possibly slow things down when recording the 'live' game rendering. I will be concerned mainly with the ones that will slow down processing, so that things do not take too long and fall behind and cause 'lag', both in the game and the resulting video file itself. I will be addressing most of the settings in the h.264/AVC codec, but not all of them. So, when recording our gameplay 'live', we must now consider the various settings and their affect on how fast we can put through the processing of frames and writing it to a file at the same time. This would result in the game 'lagging' and dropping frames to try and keep up, as it falls behind dealing with analyzing and compressing and then writing the data, resulting in a video with 'choppy' playback as well. For instance, if we try to set things for high compression and attempt to keep detail at the same time (as we would for archiving a movie), it simply takes too long to process and compress the changes between frames 'on-the-fly' and save them into a file, when attempting to record game output. Why?īecause we are going to be balancing the settings - not just for retaining quality at a small file size (as you would like to when archiving a movie to keep on your computer) - but now also for recording speed. The codec's interface (GUI, Graphical User Interface) will allow you to change whatever settings you wish - but these settings will be quite different from what you may be used to, if you have done any h.264/AVC video compression in the past. To record with MPEG-4/h.264/AVC, it is simply a matter of installing that codec on your computer, then choosing it inside of whichever game recording app you prefer. Dxtory, Bandicam and MSI Afterburner all provide the ability to utilize the various codecs installed on your system to record with (others do as well, I am merely choosing these more popular game recording apps as examples).
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