ffmpeg version N-81772-g99b823f Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --prefix=/opt/ffmpeg --extra-cflags=-I/opt/ffmpeg/include --extra-ldflags=-L/opt/ffmpeg_build/lib --bindir=/opt/bin --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
  libavutil      55. 30.100 / 55. 30.100
  libavcodec     57. 58.100 / 57. 58.100
  libavformat    57. 50.100 / 57. 50.100
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 63.100 /  6. 63.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
Input #0, image2, from 'frame_%05d.png':
  Duration: 00:00:06.00, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgba(pc), 1920x1080 [SAR 7874:7874 DAR 16:9], 25 fps, 25 tbr, 25 tbn, 25 tbc
[libx264 @ 0x3e50360] using SAR=1/1
[libx264 @ 0x3e50360] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x3e50360] profile High, level 5.1
[libx264 @ 0x3e50360] 264 - core 148 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - http://www.videolan.org/x264.html - options: cabac=1 ref=16 deblock=1:0:0 analyse=0x3:0x133 me=umh subme=10 psy=1 psy_rd=1.00:0.00 mixed_ref=1 me_range=24 chroma_me=1 trellis=2 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=34 lookahead_threads=5 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=8 b_pyramid=2 b_adapt=2 b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=250 keyint_min=20 scenecut=40 intra_refresh=0 rc_lookahead=60 rc=crf mbtree=1 crf=10.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'movie_fast.mp4':
  Metadata:
    encoder         : Lavf57.50.100
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 20 fps, 10240 tbn, 20 tbc
    Metadata:
      encoder         : Lavc57.58.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help
Past duration 0.799995 too large
Past duration 0.999992 too large
frame=   27 fps=0.0 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=4 speed=   0x    rame=   59 fps= 59 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=12 speed=   0x    rame=   71 fps= 34 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=15 speed=   0x    rame=   90 fps= 33 q=0.0 size=       0kB time=00:00:00.00 bitrate=N/A dup=0 drop=20 speed=   0x    rame=  115 fps= 36 q=15.0 size=     319kB time=00:00:00.45 bitrate=5803.0kbits/s dup=0 drop=26 speed=0.14x    rame=  122 fps= 16 q=-1.0 Lsize=    2680kB time=00:00:05.95 bitrate=3689.3kbits/s dup=0 drop=28 speed=0.788x
video:2678kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.069766%
[libx264 @ 0x3e50360] frame I:1     Avg QP: 7.61  size: 63782
[libx264 @ 0x3e50360] frame P:57    Avg QP: 7.76  size: 22735
[libx264 @ 0x3e50360] frame B:64    Avg QP: 8.91  size: 21589
[libx264 @ 0x3e50360] consecutive B-frames: 31.1%  9.8% 19.7%  0.0%  0.0%  0.0%  0.0% 39.3%  0.0%
[libx264 @ 0x3e50360] mb I  I16..4: 47.1% 34.9% 18.0%
[libx264 @ 0x3e50360] mb P  I16..4: 17.4%  5.2%  3.3%  P16..4: 12.5%  4.6%  2.0%  0.0%  0.0%    skip:54.9%
[libx264 @ 0x3e50360] mb B  I16..4: 11.3%  1.4%  2.3%  B16..8: 17.7%  6.8%  1.8%  direct: 2.1%  skip:56.8%  L0:78.4% L1:18.2% BI: 3.4%
[libx264 @ 0x3e50360] 8x8 transform intra:16.5% inter:51.3%
[libx264 @ 0x3e50360] direct mvs  spatial:85.9% temporal:14.1%
[libx264 @ 0x3e50360] coded y,uvDC,uvAC intra: 10.9% 48.5% 44.7% inter: 5.9% 13.7% 9.4%
[libx264 @ 0x3e50360] i16 v,h,dc,p: 71% 28%  0%  0%
[libx264 @ 0x3e50360] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 37% 13% 48%  0%  0%  0%  0%  0%  1%
[libx264 @ 0x3e50360] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 47% 33% 19%  0%  0%  0%  0%  0%  0%
[libx264 @ 0x3e50360] i8c dc,h,v,p: 20% 35% 44%  1%
[libx264 @ 0x3e50360] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x3e50360] ref P L0: 17.4%  3.5% 12.9%  9.4%  7.3%  6.8%  5.9%  4.8%  4.6%  4.4%  4.2%  4.0%  4.2%  3.7%  3.6%  3.3%
[libx264 @ 0x3e50360] ref B L0: 22.4% 11.7%  9.6%  7.4%  6.5%  6.1%  5.8%  5.1%  4.8%  4.2%  4.5%  4.2%  4.2%  2.7%  0.8%
[libx264 @ 0x3e50360] ref B L1: 87.9% 12.1%
[libx264 @ 0x3e50360] kb/s:3595.23
Movie created at movie_fast.mp4
ffmpeg version N-81772-g99b823f Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-4)
  configuration: --prefix=/opt/ffmpeg --extra-cflags=-I/opt/ffmpeg/include --extra-ldflags=-L/opt/ffmpeg_build/lib --bindir=/opt/bin --pkg-config-flags=--static --enable-gpl --enable-nonfree --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265
  libavutil      55. 30.100 / 55. 30.100
  libavcodec     57. 58.100 / 57. 58.100
  libavformat    57. 50.100 / 57. 50.100
  libavdevice    57.  0.102 / 57.  0.102
  libavfilter     6. 63.100 /  6. 63.100
  libswscale      4.  1.100 /  4.  1.100
  libswresample   2.  1.100 /  2.  1.100
  libpostproc    54.  0.100 / 54.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'movie_fast.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.50.100
  Duration: 00:00:06.10, start: 0.000000, bitrate: 3598 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], 3596 kb/s, 20 fps, 20 tbr, 10240 tbn, 40 tbc (default)
    Metadata:
      handler_name    : VideoHandler
Output #0, gif, to 'movie_fast.gif':
  Metadata:
    major_b