| 1 | $ ffmpeg -i in.mp4 -strict -2 -c:v libaom-av1 -b:v 0 -crf 55 -cpu-used 8 -map_metadata 0 -pix_fmt yuvj420p out.webm
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| 2 | ffmpeg version N-51185-gfc3760a66d-static https://johnvansickle.com/ffmpeg/ Copyright (c) 2000-2019 the FFmpeg developers
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| 3 | built with gcc 6.3.0 (Debian 6.3.0-18+deb9u1) 20170516
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| 4 | configuration: --enable-gpl --enable-version3 --enable-static --disable-debug --disable-ffplay --disable-indev=sndio --disable-outdev=sndio --cc=gcc-6 --enable-fontconfig --enable-frei0r --enable-gnutls --enable-gmp --enable-libgme --enable-gray --enable-libaom --enable-libfribidi --enable-libass --enable-libvmaf --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-librubberband --enable-libsoxr --enable-libspeex --enable-libsrt --enable-libvorbis --enable-libopus --enable-libtheora --enable-libvidstab --enable-libvo-amrwbenc --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libdav1d --enable-libxvid --enable-libzvbi --enable-libzimg
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| 5 | libavutil 56. 37.100 / 56. 37.100
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| 6 | libavcodec 58. 65.100 / 58. 65.100
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| 7 | libavformat 58. 35.101 / 58. 35.101
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| 8 | libavdevice 58. 9.101 / 58. 9.101
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| 9 | libavfilter 7. 69.101 / 7. 69.101
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| 10 | libswscale 5. 6.100 / 5. 6.100
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| 11 | libswresample 3. 6.100 / 3. 6.100
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| 12 | libpostproc 55. 6.100 / 55. 6.100
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| 13 | Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'in.mp4':
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| 14 | Metadata:
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| 15 | major_brand : mp42
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| 16 | minor_version : 0
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| 17 | compatible_brands: isommp42
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| 18 | creation_time : 2019-12-24T21:59:28.000000Z
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| 19 | com.android.version: 10
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| 20 | Duration: 00:00:08.26, start: 0.000000, bitrate: 22723 kb/s
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| 21 | Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 191 kb/s (default)
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| 22 | Metadata:
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| 23 | creation_time : 2019-12-24T21:59:28.000000Z
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| 24 | handler_name : SoundHandle
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| 25 | Stream #0:1(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m/bt470bg/bt2020-12), 1920x1080, 22524 kb/s, SAR 1:1 DAR 16:9, 31.10 fps, 60 tbr, 90k tbn, 180k tbc (default)
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| 26 | Metadata:
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| 27 | creation_time : 2019-12-24T21:59:28.000000Z
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| 28 | handler_name : VideoHandle
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| 29 | Stream mapping:
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| 30 | Stream #0:1 -> #0:0 (h264 (native) -> av1 (libaom-av1))
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| 31 | Stream #0:0 -> #0:1 (aac (native) -> opus (libopus))
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| 32 | Press [q] to stop, [?] for help
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| 33 | [libopus @ 0x68f8d40] No bit rate set. Defaulting to 96000 bps.
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| 34 | Incompatible pixel format 'yuvj420p' for codec 'libaom-av1', auto-selecting format 'yuv420p'
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| 35 | [swscaler @ 0x6e405c0] deprecated pixel format used, make sure you did set range correctly
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| 36 | [libaom-av1 @ 0x68f9f80] 1.0.0-errata1-avif-72-g5f40861bd
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| 37 | Output #0, webm, to 'out.webm':
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| 38 | Metadata:
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| 39 | major_brand : mp42
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| 40 | minor_version : 0
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| 41 | compatible_brands: isommp42
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| 42 | creation_time : 2019-12-24T21:59:28.000000Z
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| 43 | com.android.version: 10
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| 44 | encoder : Lavf58.35.101
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| 45 | Stream #0:0(eng): Video: av1 (libaom-av1), yuv420p, 1920x1080 [SAR 1:1 DAR 16:9], q=-1--1, 60 fps, 1k tbn, 60 tbc (default)
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| 46 | Metadata:
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| 47 | creation_time : 2019-12-24T21:59:28.000000Z
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| 48 | handler_name : VideoHandle
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| 49 | encoder : Lavc58.65.100 libaom-av1
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| 50 | Side data:
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| 51 | cpb: bitrate max/min/avg: 0/0/0 buffer size: 0 vbv_delay: N/A
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| 52 | Stream #0:1(eng): Audio: opus (libopus), 48000 Hz, stereo, flt, 96 kb/s (default)
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| 53 | Metadata:
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| 54 | creation_time : 2019-12-24T21:59:28.000000Z
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| 55 | handler_name : SoundHandle
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| 56 | encoder : Lavc58.65.100 libopus
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