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I struggled with a similar issue on Ubuntu 12.04.3 LTS. I fixed the problem using the static ffmpeg build which is available from http://ffmpeg.gusari.org/static/64bit/ffmpeg.static.64bit.latest.tar.gz


This isn't a phenomenon, this is compression. It is simply how it works. Compression works by taking an input, runs it through some algorithms and then gets an output that matches up either exactly (lossless) or approximately (lossy) with the original input. It is not stored like normal video data as a set of pixels, but rather some form of data that ...


To understand this you need to understand how codecs actually work. A plain uncompressed video frame e.g. a single picture is pretty large. I'm talking about a bitmap, not a lossless encoded video, no encoding at all, just plain pixel information. Here simple example of a Full HD frame for some perspective: We have a resolution of 1920x1080 that equals to ...

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