Thanks for answering me, manolito.
Using negative values of sc_threshold increases the appearance of I-frames, which appear mainly in scenes of high movement, while avoiding the macroblocks.
In summary my configuration focuses on two aspects:
- Avoid macroblocks (IMHO weak point of FFMPEG, scenes of high movement, that's why I like for low bitrates (<2500) to use HCEncoder)
- Encode with "reasonable speed".
Thanks again.
Edit: When I use negative of sc_threshold values I'm actually mimicking the performance of HCEncoder.
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