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So, I noticed that my x264 encodes were smaller when using ResampleHQ instead of plain Spline36Resize. Has anyone else noticed this? I would have expected the opposite to be true.
Using ResampleHQ(1280,720, "YV12", "TV.709", "TV.709", false, 0, 0, 0, 0 ,"Spline36"):
encoded 4746 frames, 1.43 fps, 3114.31 kb/s
x264 [info]: frame I:210 Avg QP:14.09 size: 89541
x264 [info]: frame P:1078 Avg QP:19.45 size: 29109
x264 [info]: frame B:3458 Avg QP:23.31 size: 7772
Using Spline36Resize(1280,720):
encoded 4746 frames, 1.36 fps, 3322.29 kb/s
x264 [info]: frame I:211 Avg QP:14.64 size:106961
x264 [info]: frame P:1073 Avg QP:19.67 size: 30165
x264 [info]: frame B:3462 Avg QP:23.33 size: 7877
My x264 command line:
--crf 18 --preset placebo --tune film --vbv-maxrate 40000 --vbv-bufsize 30000 --level 4.1 --keyint 24 --open-gop --ref 9 --b-adapt 2 --colorprim "bt709" --transfer "bt709" --colormatrix "bt709" --sar 1:1
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