➜ ffmpeg -i video1500533324880.mp4
ffmpeg version 3.3.2 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/3.3.2 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-libmp3lame --enable-libx264 --enable-libxvid --enable-opencl --disable-lzma --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, mov,mp4,m4a,3gp,3g2,mj2, from 'video1500533324880.mp4':
Metadata:
major_brand : mp42
minor_version : 0
compatible_brands: isommp42
creation_time : 2017-07-20T06:48:43.000000Z
com.android.version: 6.0
Duration: 00:00:02.46, start: 0.000000, bitrate: 2085 kb/s
Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x480, 2151 kb/s, SAR 1:1 DAR 4:3, 30.05 fps, 30 tbr, 90k tbn, 180k tbc (default)
Metadata:
creation_time : 2017-07-20T06:48:43.000000Z
handler_name : VideoHandle
Stream #0:1(eng): Audio: amr_nb (samr / 0x726D6173), 8000 Hz, mono, flt, 12 kb/s (default)
Metadata:
creation_time : 2017-07-20T06:48:43.000000Z
handler_name : SoundHandle
ffmpeg -i input_file.mp4 -vcodec copy -an output_file.mp4
$ ffmpeg -i in.mp4
...
Stream #0:0: Video: ...
Stream #0:1: Audio: ...
Stream #0:2: Audio: ...
$ ffmpeg -i in.mp4 -map 0:0 -map 0:2 -vcodec copy -acodec copy out.mp4