[FFmpeg-user] on frame changes in recode

Xen list at xenhideout.nl
Wed Apr 27 22:17:56 CEST 2016


Carl Eugen Hoyos schreef op 27-04-2016 19:56:
> Xen <list <at> xenhideout.nl> writes:
> 
>> I don't know if its output is important.
> 
> Only if you want support on this mailing list;-)

That sounds horrendous. Well I think this is about the output of the 
first attempt (to mp4):


Output #0, mp4, to 'output.mp4':
   Metadata:
     major_brand     : mp42
     minor_version   : 0
     compatible_brands: isommp42
     encoder         : Lavf56.40.101
     Stream #0:0(und): Video: h264 (libx264) ([33][0][0][0] / 0x0021), 
yuv420p, 1280x720 [SAR 1:1 DAR 16:9], q=-1--1, 30 fps, 15360 tbn, 30 tbc 
(default)
     Metadata:
       handler_name    : VideoHandler
       encoder         : Lavc56.60.100 libx264
     Stream #0:1(und): Audio: aac (libvo_aacenc) ([64][0][0][0] / 
0x0040), 44100 Hz, mono, s16, 128 kb/s (default)
     Metadata:
       creation_time   : 2015-12-03 11:44:42
       handler_name    : IsoMedia File Produced by Google, 5-11-2011
       encoder         : Lavc56.60.100 libvo_aacenc
Stream mapping:
   Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
   Stream #0:1 -> #0:1 (aac (native) -> aac (libvo_aacenc))

[libx264 @ 0x2210bc0] frame I:3     Avg QP:18.30  size: 43413
[libx264 @ 0x2210bc0] frame P:210   Avg QP:18.25  size:  6703
[libx264 @ 0x2210bc0] frame B:453   Avg QP:17.40  size:  1404
[libx264 @ 0x2210bc0] consecutive B-frames:  8.4%  1.5%  3.6% 86.5%
[libx264 @ 0x2210bc0] mb I  I16..4: 40.7% 38.6% 20.7%
[libx264 @ 0x2210bc0] mb P  I16..4:  5.3% 17.3%  0.6%  P16..4: 21.3%  
4.5%  2.5%  0.0%  0.0%    skip:48.4%
[libx264 @ 0x2210bc0] mb B  I16..4:  0.3%  0.4%  0.0%  B16..8: 15.7%  
0.6%  0.0%  direct: 6.5%  skip:76.5%  L0:48.4% L1:50.1% BI: 1.5%
[libx264 @ 0x2210bc0] 8x8 transform intra:71.8% inter:75.8%
[libx264 @ 0x2210bc0] coded y,uvDC,uvAC intra: 10.8% 33.4% 8.9% inter: 
2.4% 10.3% 0.1%
[libx264 @ 0x2210bc0] i16 v,h,dc,p: 59% 25%  7%  9%
[libx264 @ 0x2210bc0] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 17%  7% 70%  1%  1% 
  1%  1%  1%  1%
[libx264 @ 0x2210bc0] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 24% 15%  4%  5% 
  6%  5%  5%  4%
[libx264 @ 0x2210bc0] i8c dc,h,v,p: 66% 16% 16%  2%
[libx264 @ 0x2210bc0] Weighted P-Frames: Y:5.7% UV:5.7%
[libx264 @ 0x2210bc0] ref P L0: 68.3%  8.7% 16.5%  6.5%  0.0%
[libx264 @ 0x2210bc0] ref B L0: 92.0%  5.6%  2.4%
[libx264 @ 0x2210bc0] ref B L1: 97.7%  2.3%
[libx264 @ 0x2210bc0] kb/s:783.34

excluding the stuff that gets updated as a progress bar.


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