Hi,
How can I improve visual quality of Dissolve transitions between still images with libx264 in FFmpeg? It's not bad, but I can see artefacts of a compression.
Also banding may appear on a gradient of a blue sky.
I use the following options: -refs 4 -bf 3 -g 250 -crf 22
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So it is a slideshow?
I recommend 0 b-frames and a short gop (maximum = 5 seconds). Also, 10-bits instead of 8-bits.
There exist some custom builds of x264 which use the famous "fade compensation patch", you might want to give them a try."Programmers are human-shaped machines that transform alcohol into bugs." -
Many thanks for your advices! I'll experiment with these settings and will try to find that patch for x264
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