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docker run -it --rm --name gource -v /usr/local/share/x/prelive/:/repoRoot -v /cdata/gource/output/:/results taivokasper/docker-gource

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Force stopping recording because file size is not growing
ffmpeg version 2.4.3-1ubuntu1trusty6 Copyright (c) 2000-2014 the FFmpeg developers
built on Nov 22 2014 17:07:19 with gcc 4.8 (Ubuntu 4.8.2-19ubuntu1)
configuration: --prefix=/usr --extra-version='1ubuntu1trusty6' --build-suffix=-ffmpeg --toolchain=hardened --extra-cflags= --extra-cxxflags= --libdir=/usr/lib/x86_64-linux-gnu --shlibdir=/usr/lib/x86_64-linux-
gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --enable-shared --disable-stripping --enable-avresample --enable-avisynth --enable-fontconfig --enable-gnutls --enable-ladspa --enable-libass --enable-libbl
uray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --en
able-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libw
avpack --enable-libwebp --enable-opengl --enable-x11grab --enable-libxvid --enable-libx265 --enable-libdc1394 --enable-libiec61883 --enable-libzvbi --enable-libzmq --enable-frei0r --enable-libx264 --enable-libsox
r --enable-openal --enable-libopencv
libavutil 54. 7.100 / 54. 7.100
libavcodec 56. 1.100 / 56. 1.100
libavformat 56. 4.101 / 56. 4.101
libavdevice 56. 0.100 / 56. 0.100
libavfilter 5. 1.100 / 5. 1.100
libavresample 2. 1. 0 / 2. 1. 0
libswscale 3. 0.100 / 3. 0.100
libswresample 1. 1.100 / 1. 1.100
libpostproc 53. 0.100 / 53. 0.100
[image2pipe @ 0x6d4300] Stream #0: not enough frames to estimate rate; consider increasing probesize
Input #0, image2pipe, from '/results/gource.ppm':
Duration: N/A, bitrate: N/A
Stream #0:0: Video: ppm, rgb24, 1280x720, 30 tbr, 30 tbn, 30 tbc
[libx264 @ 0x6e7340] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX
[libx264 @ 0x6e7340] profile High, level 3.1
[libx264 @ 0x6e7340] 264 - core 142 r2389 956c8d8 - H.264/MPEG-4 AVC codec - Copyleft 2003-2014 - http://www.videolan.org/x264.html - options: cabac=1 ref=3 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=7 psy=1 ps
y_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 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compa
t=0 constrained_intra=0 bframes=0 weightp=2 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=40 rc=crf mbtree=1 crf=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to '/results/gource.mp4':
Metadata:
encoder : Lavf56.4.101
Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1280x720, q=-1--1, 30 fps, 15360 tbn, 30 tbc
Metadata:
encoder : Lavc56.1.100 libx264
Stream mapping:
Stream #0:0 -> #0:0 (ppm (native) -> h264 (libx264))
Press [q] to stop, [?] for help
frame= 151 fps=7.5 q=-1.0 Lsize= 25063kB time=00:00:05.03 bitrate=40791.4kbits/s
video:25062kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.006083%
[libx264 @ 0x6e7340] frame I:1 Avg QP: 0.05 size: 6350
[libx264 @ 0x6e7340] frame P:150 Avg QP: 2.59 size:171040
[libx264 @ 0x6e7340] mb I I16..4: 98.5% 0.1% 1.4%
[libx264 @ 0x6e7340] mb P I16..4: 15.3% 6.3% 10.0% P16..4: 5.1% 6.2% 5.4% 0.0% 0.0% skip:51.8%
[libx264 @ 0x6e7340] 8x8 transform intra:19.5% inter:25.3%
[libx264 @ 0x6e7340] coded y,uvDC,uvAC intra: 96.2% 59.2% 58.9% inter: 22.4% 17.0% 16.2%
[libx264 @ 0x6e7340] i16 v,h,dc,p: 9% 3% 4% 84%
[libx264 @ 0x6e7340] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 19% 14% 25% 6% 7% 9% 8% 8% 6%
[libx264 @ 0x6e7340] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 12% 9% 27% 9% 10% 9% 8% 8% 8%
[libx264 @ 0x6e7340] i8c dc,h,v,p: 70% 9% 9% 12%
[libx264 @ 0x6e7340] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x6e7340] ref P L0: 50.3% 27.7% 14.4% 7.5%
[libx264 @ 0x6e7340] kb/s:40787.95