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Dec 12th, 2017
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  1. C:\ffmpeg\bin>ffmpeg -i C:\DownLoad\1.mp4 -c:v libx264 -preset fast -crf 30 -b:v 75k -c:a aac -strict experimental -movflags faststart -threads 0 C:\DownLoad\2.mp4
  2. ffmpeg version N-86537-gae6f6d4 Copyright (c) 2000-2017 the FFmpeg developers
  3. built with gcc 7.1.0 (GCC)
  4. configuration: --enable-gpl --enable-version3 --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-libmfx --enable-nvenc --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libfreetype --enable-libgme --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenh264 --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxavs --enable-libxvid --enable-libzimg --enable-lzma --enable-zlib
  5. libavutil 55. 66.100 / 55. 66.100
  6. libavcodec 57. 99.100 / 57. 99.100
  7. libavformat 57. 73.100 / 57. 73.100
  8. libavdevice 57. 7.100 / 57. 7.100
  9. libavfilter 6. 94.100 / 6. 94.100
  10. libswscale 4. 7.101 / 4. 7.101
  11. libswresample 2. 8.100 / 2. 8.100
  12. libpostproc 54. 6.100 / 54. 6.100
  13. Input #0, mpeg, from 'C:\DownLoad\1.mp4':
  14. Duration: 02:07:57.93, start: 789.820800, bitrate: 9 kb/s
  15. Stream #0:0[0x1e0]: Video: h264 (Baseline), yuv420p(progressive), 1920x1080, 25 fps, 25 tbr, 90k tbn, 50 tbc
  16. Stream #0:1[0x1c0]: Audio: pcm_mulaw, 8000 Hz, mono, s16, 64 kb/s
  17. File 'C:\DownLoad\2.mp4' already exists. Overwrite ? [y/N] y
  18. Stream mapping:
  19. Stream #0:0 -> #0:0 (h264 (native) -> h264 (libx264))
  20. Stream #0:1 -> #0:1 (pcm_mulaw (native) -> aac (native))
  21. Press [q] to stop, [?] for help
  22. [aac @ 0000000002cd0280] Too many bits 8832.000000 > 6144 per frame requested, clamping to max
  23. [libx264 @ 0000000002514c80] using cpu capabilities: MMX2 SSE2Fast LZCNT SSSE3 SSE4.2 AVX XOP FMA4
  24. [libx264 @ 0000000002514c80] profile High, level 4.0
  25. [libx264 @ 0000000002514c80] 264 - core 150 r2833 df79067 - H.264/MPEG-4 AVC codec - Copyleft 2003-2017 - http://www.videolan.org/x264.html - options: cabac=1 ref=2 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=6 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=12 lookahead_threads=2 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=1 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=30 rc=crf mbtree=1 crf=30.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
  26. Output #0, mp4, to 'C:\DownLoad\2.mp4':
  27. Metadata:
  28. encoder : Lavf57.73.100
  29. Stream #0:0: Video: h264 (libx264) ([33][0][0][0] / 0x0021), yuv420p, 1920x1080, q=-1--1, 75 kb/s, 25 fps, 12800 tbn, 25 tbc
  30. Metadata:
  31. encoder : Lavc57.99.100 libx264
  32. Side data:
  33. cpb: bitrate max/min/avg: 0/0/75000 buffer size: 0 vbv_delay: -1
  34. Stream #0:1: Audio: aac (LC) ([64][0][0][0] / 0x0040), 8000 Hz, mono, fltp, 48 kb/s
  35. Metadata:
  36. encoder : Lavc57.99.100 aac
  37. [mp4 @ 00000000010e9e00] Starting second pass: moving the moov atom to the beginning of the file speed= 116x
  38. frame= 3269 fps= 66 q=-1.0 Lsize= 11086kB time=01:34:24.38 bitrate= 16.0kbits/s dup=269 drop=0 speed= 115x
  39. video:10429kB audio:592kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 0.594114%
  40. [libx264 @ 0000000002514c80] frame I:14 Avg QP:21.86 size: 59795
  41. [libx264 @ 0000000002514c80] frame P:833 Avg QP:24.81 size: 8993
  42. [libx264 @ 0000000002514c80] frame B:2422 Avg QP:28.70 size: 970
  43. [libx264 @ 0000000002514c80] consecutive B-frames: 1.0% 0.2% 1.4% 97.4%
  44. [libx264 @ 0000000002514c80] mb I I16..4: 18.9% 66.3% 14.8%
  45. [libx264 @ 0000000002514c80] mb P I16..4: 4.0% 7.7% 0.4% P16..4: 16.2% 2.0% 0.6% 0.0% 0.0% skip:69.1%
  46. [libx264 @ 0000000002514c80] mb B I16..4: 0.6% 0.2% 0.0% B16..8: 5.5% 0.1% 0.0% direct: 0.7% skip:92.9% L0:44.0% L1:55.0% BI: 1.0%
  47. [libx264 @ 0000000002514c80] 8x8 transform intra:59.0% inter:83.3%
  48. [libx264 @ 0000000002514c80] coded y,uvDC,uvAC intra: 25.3% 36.1% 7.7% inter: 1.0% 2.3% 0.1%
  49. [libx264 @ 0000000002514c80] i16 v,h,dc,p: 23% 24% 43% 10%
  50. [libx264 @ 0000000002514c80] i8 v,h,dc,ddl,ddr,vr,hd,vl,hu: 37% 26% 23% 2% 2% 3% 2% 3% 3%
  51. [libx264 @ 0000000002514c80] i4 v,h,dc,ddl,ddr,vr,hd,vl,hu: 43% 23% 12% 4% 4% 5% 4% 4% 2%
  52. [libx264 @ 0000000002514c80] i8c dc,h,v,p: 81% 7% 9% 3%
  53. [libx264 @ 0000000002514c80] Weighted P-Frames: Y:1.0% UV:0.0%
  54. [libx264 @ 0000000002514c80] ref P L0: 73.6% 26.4%
  55. [libx264 @ 0000000002514c80] ref B L0: 80.9% 19.1%
  56. [libx264 @ 0000000002514c80] ref B L1: 90.0% 10.0%
  57. [libx264 @ 0000000002514c80] kb/s:653.30
  58. [aac @ 0000000002cd0280] Qavg: 64512.656
  59.  
  60. C:\ffmpeg\bin>
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