ross <[email protected]> added the comment:
This problem still remains even on the latest SVN.
----------
substatus: needs_more_info -> reproduced
________________________________________________
FFmpeg issue tracker <[email protected]>
<https://roundup.ffmpeg.org/issue2248>
________________________________________________
r...@ross-desktop:/media/media/0001_libschro/original/yuv$ ffmpeg -i input.y4m
-an -vcodec libx264 -vpre medium -crf 15 -threads 0 -vstats out.mkv
FFmpeg version SVN-r25392, Copyright (c) 2000-2010 the FFmpeg developers
built on Oct 7 2010 15:26:04 with gcc 4.4.3
configuration: --enable-gpl --enable-version3 --enable-nonfree
--enable-postproc --enable-libfaac --enable-libmp3lame
--enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libtheora
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxvid
--enable-x11grab --enable-libschroedinger
libavutil 50.32. 2 / 50.32. 2
libavcore 0. 9. 1 / 0. 9. 1
libavcodec 52.92. 0 / 52.92. 0
libavformat 52.80. 0 / 52.80. 0
libavdevice 52. 2. 2 / 52. 2. 2
libavfilter 1.48. 0 / 1.48. 0
libswscale 0.12. 0 / 0.12. 0
libpostproc 51. 2. 0 / 51. 2. 0
[yuv4mpegpipe @ 0x258f470] Estimating duration from bitrate, this may be
inaccurate
Input #0, yuv4mpegpipe, from 'input.y4m':
Duration: N/A, bitrate: N/A
Stream #0.0: Video: rawvideo, yuv420p, 1920x1080, 30 tbr, 30 tbn, 30 tbc
[buffer @ 0x2593a30] w:1920 h:1080 pixfmt:yuv420p
[libx264 @ 0x2590e60] using cpu capabilities: MMX2 SSE2Fast SSSE3 Cache64
[libx264 @ 0x2590e60] profile High, level 4.0
[libx264 @ 0x2590e60] 264 - core 106 r1732 b20059a - H.264/MPEG-4 AVC codec -
Copyleft 2003-2010 - http://www.videolan.org/x264.html - options: cabac=1 ref=3
deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 psy_rd=1.00:0.00
mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 deadzone=21,11
fast_pskip=1 chroma_qp_offset=-2 threads=3 sliced_threads=0 nr=0 decimate=1
interlaced=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0
direct=1 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=25 scenecut=40
intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=15.0 qcomp=0.60 qpmin=10
qpmax=51 qpstep=4 ip_ratio=1.41 aq=1:1.00
Output #0, matroska, to 'out.mkv':
Metadata:
encoder : Lavf52.80.0
Stream #0.0: Video: libx264, yuv420p, 1920x1080, q=10-51, 200 kb/s, 1k tbn,
30 tbc
Stream mapping:
Stream #0.0 -> #0.0
Press [q] to stop encoding
frame= 570 fps= 3 q=-1.0 Lsize= 128520kB time=18.93 bitrate=55608.7kbits/s
s/s
video:128515kB audio:0kB global headers:0kB muxing overhead 0.004331%
frame I:10 Avg QP:15.22 size:519913
[libx264 @ 0x2590e60] frame P:328 Avg QP:17.78 size:273591
[libx264 @ 0x2590e60] frame B:232 Avg QP:20.79 size:158025
[libx264 @ 0x2590e60] consecutive B-frames: 17.1% 82.9% 0.0% 0.0%
[libx264 @ 0x2590e60] mb I I16..4: 0.8% 87.3% 11.9%
[libx264 @ 0x2590e60] mb P I16..4: 0.2% 27.6% 1.8% P16..4: 18.8% 30.4%
21.0% 0.0% 0.0% skip: 0.1%
[libx264 @ 0x2590e60] mb B I16..4: 0.1% 9.3% 0.3% B16..8: 23.9% 18.8%
9.3% direct:35.4% skip: 2.9% L0:29.5% L1:19.1% BI:51.4%
[libx264 @ 0x2590e60] 8x8 transform intra:93.3% inter:74.4%
[libx264 @ 0x2590e60] coded y,uvDC,uvAC intra: 97.8% 90.5% 74.6% inter: 91.6%
73.8% 30.4%
[libx264 @ 0x2590e60] i16 v,h,dc,p: 12% 16% 24% 48%
[libx264 @ 0x2590e60] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 10% 11% 39% 5% 7% 6%
7% 6% 9%
[libx264 @ 0x2590e60] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 15% 12% 11% 8% 13% 11%
10% 9% 10%
[libx264 @ 0x2590e60] i8c dc,h,v,p: 51% 25% 17% 8%
[libx264 @ 0x2590e60] Weighted P-Frames: Y:0.9%
[libx264 @ 0x2590e60] ref P L0: 43.9% 16.6% 22.2% 16.9% 0.4%
[libx264 @ 0x2590e60] ref B L0: 78.8% 21.2%
[libx264 @ 0x2590e60] kb/s:55409.93
r...@ross-desktop:/media/media/0001_libschro/original/yuv$ ls
input.y4m out.mkv vstats_155130.log
r...@ross-desktop:/media/media/0001_libschro/original/yuv$
r...@ross-desktop:/media/media/0001_libschro/original/yuv$ tail
vstats_155130.log
frame= 561 q= 20.0 f_size= 348127 s_size= 114919kB time= 18.700 br=
83550.5kbits/s avg_br= 50343.1kbits/s type= P
frame= 562 q= 20.0 f_size= 171886 s_size= 115087kB time= 18.733 br=
41252.6kbits/s avg_br= 50327.0kbits/s type= B
frame= 563 q= 20.0 f_size= 346766 s_size= 115426kB time= 18.767 br=
83223.8kbits/s avg_br= 50385.4kbits/s type= P
frame= 564 q= 20.0 f_size= 171245 s_size= 115593kB time= 18.800 br=
41098.8kbits/s avg_br= 50368.9kbits/s type= B
frame= 565 q= 20.0 f_size= 348013 s_size= 115933kB time= 18.833 br=
83523.1kbits/s avg_br= 50427.6kbits/s type= P
frame= 566 q= 20.0 f_size= 172907 s_size= 116101kB time= 18.867 br=
41497.7kbits/s avg_br= 50411.8kbits/s type= B
frame= 567 q= 20.0 f_size= 350494 s_size= 116444kB time= 18.900 br=
84118.6kbits/s avg_br= 50471.3kbits/s type= P
frame= 568 q= 20.0 f_size= 172741 s_size= 116612kB time= 18.933 br=
41457.8kbits/s avg_br= 50455.4kbits/s type= B
frame= 569 q= 20.0 f_size= 349310 s_size= 116954kB time= 18.967 br=
83834.4kbits/s avg_br= 50514.1kbits/s type= P
frame= 570 q= 20.0 f_size= 172312 s_size= 117122kB time= 19.000 br=
41354.9kbits/s avg_br= 50498.0kbits/s type= B
r...@ross-desktop:/media/media/0001_libschro/original/yuv$
