[gstreamer-bugs] [Bug 621663] x264enc: support changing bitrate property on the fly

[GStreamer (bugzilla.gnome.org)]

https://bugzilla.gnome.org/show_bug.cgi?id=621663
  GStreamer | gst-plugins-ugly | git

--- Comment #19 from Ian Mitchell <mitch_1977muk at yahoo.co.uk> 2010-11-25 08:38:00 UTC ---
For the constant bitrate one:

x264 [info]: frame I:24    Avg QP:34.84  size:  7949  PSNR Mean Y:30.14 U:38.52
V:40.00 Avg:31.63 Global:31.59
x264 [info]: frame P:576   Avg QP:37.78  size:   992  PSNR Mean Y:28.06 U:38.10
V:39.67 Avg:29.64 Global:29.60
x264 [info]: mb I  I16..4: 14.2% 55.3% 30.6%
x264 [info]: mb P  I16..4:  0.5%  0.3%  0.2%  P16..4: 38.0% 11.9%  3.7%  0.0% 
0.0%    skip:45.4%
x264 [info]: 8x8 transform intra:50.3% inter:61.7%
x264 [info]: coded y,uvDC,uvAC intra: 80.5% 40.3% 12.3% inter: 13.0% 3.3% 0.1%
x264 [info]: i16 v,h,dc,p: 18% 38% 34% 11%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 22% 28% 20%  4%  4%  4%  5%  4%  8%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 29% 35% 15%  3%  4%  3%  4%  3%  4%
x264 [info]: i8c dc,h,v,p: 71% 20%  7%  2%
x264 [info]: Weighted P-Frames: Y:0.7%
x264 [info]: ref P L0: 69.7% 17.3%  9.4%  3.4%  0.1%
x264 [info]: PSNR Mean Y:28.138 U:38.121 V:39.687 Avg:29.716 Global:29.661
kb/s:254.07

encoded[1] 600 frames, 33.34 fps, 254.07 kb/s

And for the average bitrate one:

x264 [info]: frame I:24    Avg QP:32.18  size: 10738  PSNR Mean Y:32.16 U:39.16
V:40.86 Avg:33.57 Global:33.54
x264 [info]: frame P:576   Avg QP:35.34  size:  1406  PSNR Mean Y:29.66 U:38.57
V:40.35 Avg:31.20 Global:31.16
x264 [info]: mb I  I16..4: 10.5% 55.4% 34.2%
x264 [info]: mb P  I16..4:  0.4%  0.3%  0.3%  P16..4: 38.6% 15.3%  6.3%  0.0% 
0.0%    skip:39.0%
x264 [info]: 8x8 transform intra:51.0% inter:57.8%
x264 [info]: coded y,uvDC,uvAC intra: 86.7% 47.9% 17.8% inter: 17.8% 4.6% 0.1%
x264 [info]: i16 v,h,dc,p: 19% 38% 34% 10%
x264 [info]: i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 20% 27% 19%  5%  5%  4%  6%  5% 10%
x264 [info]: i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 27% 36% 13%  3%  4%  3%  4%  4%  5%
x264 [info]: i8c dc,h,v,p: 62% 25% 11%  3%
x264 [info]: Weighted P-Frames: Y:0.7%
x264 [info]: ref P L0: 67.8% 18.4%  9.8%  3.8%  0.1%
x264 [info]: PSNR Mean Y:29.763 U:38.591 V:40.374 Avg:31.291 Global:31.230
kb/s:355.83

encoded[1] 600 frames, 29.77 fps, 355.83 kb/s

-- 
Configure bugmail: https://bugzilla.gnome.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the QA contact for the bug.
You are the assignee for the bug.