[FFmpeg-user] ffmpeg and webm format and mkv format

jd1008 jd1008 at gmail.com
Thu Sep 15 06:04:14 EEST 2016

Using ffmpeg version N-51556-ge278500
to convert webm to mp4, I get billions of lines of
rolling diagnostic output, like

[libx264 @ 0x4f7a660] frame I:19    Avg QP:19.41  size: 20169
[libx264 @ 0x4f7a660] frame P:1318  Avg QP:22.72  size:  4323
[libx264 @ 0x4f7a660] frame B:3336  Avg QP:28.35  size:   661
[libx264 @ 0x4f7a660] consecutive B-frames:  3.5%  2.6%  4.4% 89.5%
[libx264 @ 0x4f7a660] mb I  I16..4: 15.8% 53.2% 31.0%
[libx264 @ 0x4f7a660] mb P  I16..4:  2.8%  3.1%  0.6%  P16..4: 44.0% 
17.0%  9.1%  0.0%  0.0%    skip:23.4%
[libx264 @ 0x4f7a660] mb B  I16..4:  0.2%  0.2%  0.0%  B16..8: 42.0%  
2.9%  0.5%  direct: 1.0%  skip:53.3%  L0:45.3% L1:47.9% BI: 6.8%
[libx264 @ 0x4f7a660] 8x8 transform intra:48.0% inter:66.4%
[libx264 @ 0x4f7a660] coded y,uvDC,uvAC intra: 42.8% 91.6% 56.8% inter: 
10.6% 17.1% 2.6%
[libx264 @ 0x4f7a660] i16 v,h,dc,p: 22% 23% 19% 36%
[libx264 @ 0x4f7a660] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 33% 14% 28%  3%  
3%  6%  3%  6%  4%
[libx264 @ 0x4f7a660] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 42% 10% 16%  4%  
5%  9%  3%  8%  3%
[libx264 @ 0x4f7a660] i8c dc,h,v,p: 36% 14% 30% 19%
[libx264 @ 0x4f7a660] Weighted P-Frames: Y:10.2% UV:7.1%
[libx264 @ 0x4f7a660] ref P L0: 61.0% 16.2% 16.8%  5.6%  0.4%
[libx264 @ 0x4f7a660] ref B L0: 91.0%  7.3%  1.7%
[libx264 @ 0x4f7a660] ref B L1: 95.9%  4.1%
[libx264 @ 0x4f7a660] kb/s:424.39

Parse error, at least 3 arguments were expected, only 1 given in string 

     Even though the correct number and value of params were given (i.e. 
option -i followed by input filename followed by output filename - 
leaving everything else to defaults.

And diags like:

arse error, at least 3 arguments were expected, only 1 given in string 
[libx264 @ 0x4234cc0] frame=1156 QP=23.92 NAL=2 Slice:B Poc:140 I:9    
P:463  SKIP:237  size=1448 bytes
[libx264 @ 0x4234cc0] frame=1157 QP=24.47 NAL=0 Slice:B Poc:138 I:5    
P:344  SKIP:362  size=695 bytes
[libx264 @ 0x4234cc0] frame=1158 QP=24.32 NAL=0 Slice:B Poc:142 I:4    
P:371  SKIP:334  size=785 bytes
[libx264 @ 0x4234cc0] frame=1159 QP=21.82 NAL=2 Slice:P Poc:152 I:246  
P:410  SKIP:57   size=3456 bytes
[libx264 @ 0x4234cc0] frame=1160 QP=23.37 NAL=2 Slice:B Poc:148 I:14   
P:453  SKIP:229  size=1604 bytes
[libx264 @ 0x4234cc0] frame=1161 QP=24.36 NAL=0 Slice:B Poc:146 I:0    
P:389  SKIP:323  size=812 bytes
[libx264 @ 0x4234cc0] frame=1162 QP=24.26 NAL=0 Slice:B Poc:150 I:2    
P:362  SKIP:348  size=826 bytes
[libx264 @ 0x4234cc0] frame=1163 QP=21.72 NAL=2 Slice:P Poc:160 I:148  
P:495  SKIP:70   size=2775 bytes
[libx264 @ 0x4234cc0] frame=1164 QP=22.42 NAL=2 Slice:B Poc:156 I:35   
P:387  SKIP:282  size=1329 bytes
[libx264 @ 0x4234cc0] frame=1165 QP=23.31 NAL=0 Slice:B Poc:154 I:17   
P:355  SKIP:339  size=848 bytes
[libx264 @ 0x4234cc0] frame=1166 QP=24.19 NAL=0 Slice:B Poc:158 I:6    
P:358  SKIP:346  size=738 bytes
[libx264 @ 0x4234cc0] frame=1167 QP=22.03 NAL=2 Slice:P Poc:168 I:190  
P:450  SKIP:73   size=3243 bytes
[libx264 @ 0x4234cc0] frame=1168 QP=22.91 NAL=2 Slice:B Poc:164 I:16   
P:454  SKIP:238  size=1602 bytes
[libx264 @ 0x4234cc0] frame=1169 QP=24.18 NAL=0 Slice:B Poc:162 I:8    
P:358  SKIP:342  size=807 bytes
[libx264 @ 0x4234cc0] frame=1170 QP=25.16 NAL=0 Slice:B Poc:166 I:10   
P:359  SKIP:341  size=937 bytes
[libx264 @ 0x4234cc0] frame=1171 QP=22.06 NAL=2 Slice:P Poc:176 I:208  
P:448  SKIP:57   size=3577 bytes
[libx264 @ 0x4234cc0] frame=1172 QP=23.61 NAL=2 Slice:B Poc:172 I:20   
P:442  SKIP:244  size=1609 bytes
[libx264 @ 0x4234cc0] frame=1173 QP=24.72 NAL=0 Slice:B Poc:170 I:8    
P:395  SKIP:310  size=952 bytes
[libx264 @ 0x4234cc0] frame=1174 QP=24.92 NAL=0 Slice:B Poc:174 I:9    
P:349  SKIP:352  size=839 bytes
[libx264 @ 0x4234cc0] frame=1175 QP=20.72 NAL=2 Slice:P Poc:180 I:227  
P:367  SKIP:119  size=2635 bytes
[libx264 @ 0x4234cc0] frame=1176 QP=24.87 NAL=0 Slice:B Poc:178 I:4    
P:346  SKIP:359  size=655 bytes35.9kbits/s speed=2.65x
[libx264 @ 0x4234cc0] frame=1177 QP=21.65 NAL=2 Slice:P Poc:188 I:158  
P:483  SKIP:72   size=3088 bytes
[libx264 @ 0x4234cc0] frame=1178 QP=24.16 NAL=2 Slice:B Poc:184 I:19   
P:423  SKIP:258  size=1275 bytes
[libx264 @ 0x4234cc0] frame=1179 QP=23.35 NAL=0 Slice:B Poc:182 I:8    
P:367  SKIP:330  size=762 bytes
[libx264 @ 0x4234cc0] frame=1180 QP=25.25 NAL=0 Slice:B Poc:186 I:6    
P:350  SKIP:354  size=705 bytes
[libx264 @ 0x4234cc0] frame=1181 QP=21.92 NAL=2 Slice:P Poc:196 I:142  
P:501  SKIP:70   size=3017 bytes
[libx264 @ 0x4234cc0] frame=1182 QP=23.32 NAL=2 Slice:B Poc:192 I:15   
P:424  SKIP:270  size=1291 bytes
[libx264 @ 0x4234cc0] frame=1183 QP=25.18 NAL=0 Slice:B Poc:190 I:1    
P:338  SKIP:373  size=680 bytes
[libx264 @ 0x4234cc0] frame=1184 QP=24.54 NAL=0 Slice:B Poc:194 I:4    
P:406  SKIP:301  size=777 bytes
[libx264 @ 0x4234cc0] frame=1185 QP=20.90 NAL=2 Slice:P Poc:204 I:267  
P:388  SKIP:58   size=3531 bytes
[libx264 @ 0x4234cc0] frame=1186 QP=23.49 NAL=2 Slice:B Poc:200 I:8    
P:460  SKIP:234  size=1406 bytes
[libx264 @ 0x4234cc0] frame=1187 QP=24.40 NAL=0 Slice:B Poc:198 I:6    
P:372  SKIP:332  size=786 bytes
stream #1:9 fps= 65 q=28.0 00000000000000000000000000004000size=    
2409kB time=00:00:55.97 bitrate= 352.5kbits/s speed= 2.6x

Any other version of ffmpeg that does not have these problems?

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