How To Replace Audio Track of Video using ffmpeg

A very common use case is that you don't want to waste time using a video editor that requires you to open it up and manually import the video clip and audio clip, then manually delete the old audio track and import the video and new audio.  That's too much work and time since we don't want to go through the hassle.

ffmpeg is our solution, all we have to do is specify 3 variables and we're done!

-i Windows2019-Server-Noaudio.mp4 is our input / source file

-i Windows2019-Server-NoAudio.wav is our new audio file that we want to replace.

Windows2019-Server-NoAudio-audio-fix.mp4 is our final output file that will have our updated audio file

ffmpeg -i Windows2019-Server-NoAudio.mp4 -i Windows2019-Server-NoAudio.wav -c:v copy -map 0:v:0 -map 1:a:0 Windows2019-Server-NoAudio-audio-fix.mp4

 


ffmpeg version 2.8.17-0ubuntu0.1 Copyright (c) 2000-2020 the FFmpeg developers
  built with gcc 5.4.0 (Ubuntu 5.4.0-6ubuntu1~16.04.12) 20160609
  configuration: --prefix=/usr --extra-version=0ubuntu0.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv
  WARNING: library configuration mismatch
  avcodec     configuration: --prefix=/usr --extra-version=0ubuntu0.1 --build-suffix=-ffmpeg --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --cc=cc --cxx=g++ --enable-gpl --enable-shared --disable-stripping --disable-decoder=libopenjpeg --disable-decoder=libschroedinger --enable-avresample --enable-avisynth --enable-gnutls --enable-ladspa --enable-libass --enable-libbluray --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfontconfig --enable-libfreetype --enable-libfribidi --enable-libgme --enable-libgsm --enable-libmodplug --enable-libmp3lame --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-librtmp --enable-libschroedinger --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libtwolame --enable-libvorbis --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx265 --enable-libxvid --enable-libzvbi --enable-openal --enable-opengl --enable-x11grab --enable-libdc1394 --enable-libiec61883 --enable-libzmq --enable-frei0r --enable-libx264 --enable-libopencv --enable-version3 --disable-doc --disable-programs --disable-avdevice --disable-avfilter --disable-avformat --disable-avresample --disable-postproc --disable-swscale --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libvo_aacenc --enable-libvo_amrwbenc
  libavutil      54. 31.100 / 54. 31.100
  libavcodec     56. 60.100 / 56. 60.100
  libavformat    56. 40.101 / 56. 40.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 40.101 /  5. 40.101
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  2.101 /  1.  2.101
  libpostproc    53.  3.100 / 53.  3.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Windows2019-Server-NoAudio.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41isomiso2
    creation_time   : 2020-10-05 16:14:56
    encoder         : x264
  Duration: 00:02:28.60, start: 0.000000, bitrate: 258 kb/s
    Stream #0:0(eng): Video: h264 (High 4:4:4 Predictive) (avc1 / 0x31637661), yuv444p, 1282x958 [SAR 1:1 DAR 641:479], 127 kb/s, 15 fps, 15 tbr, 1500 tbn, 30 tbc (default)
    Metadata:
      creation_time   : 2020-10-05 16:14:56
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: mp3 (mp4a / 0x6134706D), 44100 Hz, mono, s16p, 127 kb/s (default)
    Metadata:
      creation_time   : 2020-10-05 16:14:56
      handler_name    : SoundHandler
Guessed Channel Layout for  Input Stream #1.0 : mono
Input #1, wav, from 'Windows2019-Server-NoAudio.wav':
  Duration: 00:02:28.56, bitrate: 705 kb/s
    Stream #1:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 44100 Hz, 1 channels, s16, 705 kb/s
[mp4 @ 0x1702ca0] Codec for stream 0 does not use global headers but container format requires global headers
Output #0, mp4, to 'Windows2019-Server-NoAudio-audio-fix.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42mp41isomiso2
    encoder         : Lavf56.40.101
    Stream #0:0(eng): Video: h264 ([33][0][0][0] / 0x0021), yuv444p, 1282x958 [SAR 1:1 DAR 641:479], q=2-31, 127 kb/s, 15 fps, 15 tbr, 12k tbn, 1500 tbc (default)
    Metadata:
      creation_time   : 2020-10-05 16:14:56
      handler_name    : VideoHandler
    Stream #0:1: Audio: aac (libvo_aacenc) ([64][0][0][0] / 0x0040), 44100 Hz, mono, s16, 128 kb/s
    Metadata:
      encoder         : Lavc56.60.100 libvo_aacenc
Stream mapping:
  Stream #0:0 -> #0:0 (copy)
  Stream #1:0 -> #0:1 (pcm_s16le (native) -> aac (libvo_aacenc))
Press [q] to stop, [?] for help
frame= 2229 fps=1183 q=-1.0 Lsize=    4701kB time=00:02:28.57 bitrate= 259.2kbits/s    
video:2320kB audio:2322kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.275361%

 


Tags:

audio, ffmpega, requires, manually, import, clip, delete, hassle, ffmpeg, specify, variables, server, noaudio, mp, input, wav, output, updated, ubuntu, copyright, developers, gcc, configuration, prefix, usr, suffix, toolchain, hardened, libdir, lib, _, linux, gnu, incdir, cc, cxx, enable, gpl, disable, stripping, decoder, libopenjpeg, libschroedinger, avresample, avisynth, gnutls, ladspa, libass, libbluray, libbs, libcaca, libcdio, libflite, libfontconfig, libfreetype, libfribidi, libgme, libgsm, libmodplug, libmp, libopus, libpulse, librtmp, libshine, libsnappy, libsoxr, libspeex, libssh, libtheora, libtwolame, libvorbis, libvpx, libwavpack, libwebp, libx, libxvid, libzvbi, openal, opengl, libdc, libiec, libzmq, frei, libopencv, mismatch, avcodec, programs, avdevice, avfilter, avformat, postproc, swscale, libopencore_amrnb, libopencore_amrwb, libvo_aacenc, libvo_amrwbenc, libavutil, libavcodec, libavformat, libavdevice, libavfilter, libavresample, libswscale, libswresample, libpostproc, mov, gp, mj, metadata, major_brand, minor_version, compatible_brands, isomiso, creation_time, encoder, duration, bitrate, kb, stream, eng, predictive, avc, yuv, sar, dar, fps, tbr, tbn, tbc, default, handler_name, videohandler, hz, mono, soundhandler, guessed, layout, pcm_s, channels, ca, codec, global, headers, container, format, lavf, aac, lavc, mapping, native, lsize, kbits, subtitle, streams, muxing, overhead,

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