ffmpeg version 3.3 Copyright (c) 2000-2017 the FFmpeg developers
  built with Apple LLVM version 8.1.0 (clang-802.0.42)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.3 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libass --enable-libfdk-aac --enable-libfreetype --enable-libmp3lame --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-opencl --disable-lzma --enable-nonfree --enable-vda
  libavutil      55. 58.100 / 55. 58.100
  libavcodec     57. 89.100 / 57. 89.100
  libavformat    57. 71.100 / 57. 71.100
  libavdevice    57.  6.100 / 57.  6.100
  libavfilter     6. 82.100 /  6. 82.100
  libavresample   3.  5.  0 /  3.  5.  0
  libswscale      4.  6.100 /  4.  6.100
  libswresample   2.  7.100 /  2.  7.100
  libpostproc    54.  5.100 / 54.  5.100
Input #0, image2, from 'frame%04d.png':
  Duration: 00:00:05.64, start: 0.000000, bitrate: N/A
    Stream #0:0: Video: png, rgba(pc), 1840x1820 [SAR 11811:11811 DAR 92:91], 25 fps, 25 tbr, 25 tbn, 25 tbc
Stream mapping:
  Stream #0:0 -> #0:0 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help
No pixel format specified, yuv444p for H.264 encoding chosen.
Use -pix_fmt yuv420p for compatibility with outdated media players.
[libx264 @ 0x7f88da801c00] using SAR=1/1
[libx264 @ 0x7f88da801c00] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x7f88da801c00] profile High 4:4:4 Predictive, level 5.0, 4:4:4 8-bit
[libx264 @ 0x7f88da801c00] 264 - core 148 r2748 97eaef2 - H.264/MPEG-4 AVC codec - Copyleft 2003-2016 - 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=4 threads=6 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=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=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
Output #0, mp4, to 'logo.mp4':
  Metadata:
    encoder         : Lavf57.71.100
    Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv444p, 1840x1820 [SAR 1:1 DAR 92:91], q=-1--1, 25 fps, 12800 tbn, 25 tbc
    Metadata:
      encoder         : Lavc57.89.100 libx264
    Side data:
      cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: -1
frame=   58 fps= 28 q=28.0 size=       2kB time=00:00:00.20 bitrate=  89.6kbits/s speed=0.0959x   frame=  141 fps= 28 q=-1.0 Lsize=      18kB time=00:00:05.52 bitrate=  27.2kbits/s speed= 1.1x
video:16kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 15.658648%
[libx264 @ 0x7f88da801c00] frame I:1     Avg QP: 9.00  size:   769
[libx264 @ 0x7f88da801c00] frame P:35    Avg QP: 9.20  size:   112
[libx264 @ 0x7f88da801c00] frame B:105   Avg QP:12.67  size:   104
[libx264 @ 0x7f88da801c00] consecutive B-frames:  0.7%  0.0%  0.0% 99.3%
[libx264 @ 0x7f88da801c00] mb I  I16..4:  0.0% 100.0%  0.0%
[libx264 @ 0x7f88da801c00] mb P  I16..4:  0.0%  0.0%  0.0%  P16..4:  0.0%  0.0%  0.0%  0.0%  0.0%    skip:100.0%
[libx264 @ 0x7f88da801c00] mb B  I16..4:  0.0%  0.0%  0.0%  B16..8:  0.0%  0.0%  0.0%  direct: 0.0%  skip:100.0%
[libx264 @ 0x7f88da801c00] 8x8 transform intra:100.0%
[libx264 @ 0x7f88da801c00] coded y,u,v intra: 0.0% 0.0% 0.0% inter: 0.0% 0.0% 0.0%
[libx264 @ 0x7f88da801c00] i16 v,h,dc,p:  0%  0% 100%  0%
[libx264 @ 0x7f88da801c00] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu:  0%  0% 100%  0%  0%  0%  0%  0%  0%
[libx264 @ 0x7f88da801c00] Weighted P-Frames: Y:0.0% UV:0.0%
[libx264 @ 0x7f88da801c00] kb/s:22.08