Flaeri's blog, tips & tricks for ffmpeg, encoding and info dump

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DWM and mixed refresh rate performance

DWM and mixed refresh rate performance

Mixed refresh rates still an issue? Lets find found!

Quantization and DCT

Quantization and DCT

This will be a super basic explanation of a couple of concepts that are used in video encoding. This explanation is not meant to be comprehensive, it is there to give basic information, and give you a practical approach on how they are used. DCT Discrete Cosine Transform is a

HLS streaming, keyframes, scene-cut & GOP

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HLS streaming, keyframes, scene-cut & GOP

Taking a stab at .ts segments, variable GOP length, scene-cut and keyframes for streaming to ABR platforms.

Frame Types, The I, P & B's of video encoding

Frame Types, The I, P & B's of video encoding

A very important aspect to video encoding lies in the type of frames that gets used. This will just be a brief and basic explanation of the different types, and how they work. This will mostly be based around H.264, but has some use outside it as well. I-Frames

How to VMAF (with ffmpeg), journey to the center of despair

How to VMAF (with ffmpeg), journey to the center of despair

How to get VMAF up and running (with ffmpeg), on windows. You know you want to!

Streaming with FFMPEG

Streaming with FFMPEG

Streaming with ffmpeg is most certainly a thing, and can be very useful in a lot of different scenarios

x264 & Youtube upload compression

x264 & Youtube upload compression

Can you beat out the quality of the other creators by using a slower x264 preset?

FFMPEG audio channel manipulation

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FFMPEG audio channel manipulation

ffmpeg, manipulating and downmixing audio.

FFMPEG crop and crop detection

FFMPEG crop and crop detection

Ever wondered how much you can crop a video? How many pixels are those black bars? How to detect and crop!