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Download audio and video without merging / muxing #14901

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fkbreitl opened this issue Dec 3, 2017 · 7 comments
Closed

Download audio and video without merging / muxing #14901

fkbreitl opened this issue Dec 3, 2017 · 7 comments

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@fkbreitl
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@fkbreitl fkbreitl commented Dec 3, 2017

I would like to download and save audio and video streams separately for audio only players as requested in #5964.

I can use the -k option to prevent the deletion of the audio and video only files, but I didn't find a way to prevent the post-processing or merging of the files. The --fixup never option didn't work.

How can I disable post-processing?

If there is no option to stop it, could it be implemented?
@dstftw
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@dstftw dstftw commented Dec 4, 2017

Don't use + in -f.
@dstftw dstftw closed this Dec 4, 2017
@fkbreitl
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@fkbreitl fkbreitl commented Dec 4, 2017

I left out the + in -f and I also replace the + by , but it didn't work. I still received a merged file.
The issue is still open. Please post a working example.
@remitamine
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@remitamine remitamine commented Dec 4, 2017 

python __main__.py -f bestvideo,bestaudio https://www.youtube.com/watch?v=BaW_jenozKc
[youtube] BaW_jenozKc: Downloading webpage
[youtube] BaW_jenozKc: Downloading video info webpage
[youtube] BaW_jenozKc: Extracting video information
[youtube] BaW_jenozKc: Downloading MPD manifest
[info] BaW_jenozKc: downloading video in 2 formats
[download] Destination: youtube-dl test video ''_ä↭𝕐-BaW_jenozKc.mp4
[download] 100% of 2.11MiB in 00:03
[download] Destination: youtube-dl test video ''_ä↭𝕐-BaW_jenozKc.m4a
[download] 100% of 154.06KiB in 00:00
[ffmpeg] Correcting container in "youtube-dl test video ''_ä↭𝕐-BaW_jenozKc.m4a"

ffprobe youtube-dl\ test\ video\ \'\'_ä↭𝕐-BaW_jenozKc.mp4 
ffprobe version 3.4 Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 7.2.0 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-shared --enable-version3
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'youtube-dl test video ''_ä↭𝕐-BaW_jenozKc.mp4':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6avc1mp41
    creation_time   : 2013-12-24T08:57:02.000000Z
  Duration: 00:00:09.80, start: 0.000000, bitrate: 1803 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(progressive), 1920x1080, 934 kb/s, 30 fps, 30 tbr, 90k tbn, 60 tbc (default)
    Metadata:
      creation_time   : 2013-12-24T08:57:02.000000Z
      handler_name    : VideoHandler

ffprobe youtube-dl\ test\ video\ \'\'_ä↭𝕐-BaW_jenozKc.m4a 
ffprobe version 3.4 Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 7.2.0 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-shared --enable-version3
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'youtube-dl test video ''_ä↭𝕐-BaW_jenozKc.m4a':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:09.89, start: 0.000000, bitrate: 127 kb/s
    Stream #0:0(und): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 125 kb/s (default)
    Metadata:
      handler_name    : SoundHandler

works fine, separate video and audio without merging, if it's not actually working you should post the verbose output of you're command.
@fkbreitl
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@fkbreitl fkbreitl commented Dec 4, 2017 •
edited

Here is what I tried. I don't even see the separate audio and video files and obtain different results on the order of bestaudio, bestvideo.

host:~/test$ youtube-dl -f bestaudio,bestvideo -k https://www.youtube.com/watch?v=E4dSRpSnPOU
[youtube] E4dSRpSnPOU: Downloading webpage
[youtube] E4dSRpSnPOU: Downloading video info webpage
[youtube] E4dSRpSnPOU: Extracting video information
[youtube] E4dSRpSnPOU: Downloading MPD manifest
[info] E4dSRpSnPOU: downloading video in 2 formats
[download] Destination: Soma - Slam Positive Education-E4dSRpSnPOU.webm
[download] 100% of 8.41MiB in 00:06
[download] Soma - Slam Positive Education-E4dSRpSnPOU.webm has already been downloaded
[download] 100% of 8.41MiB
host:~/test$ ll
total 8.5M
-rw-r--r-- 1 fkbreitl fkbreitl 8.5M Jun  3  2017 Soma - Slam Positive Education-E4dSRpSnPOU.webm
host:~/test$ rm Soma\ -\ Slam\ Positive\ Education-E4dSRpSnPOU.webm 
host:~/test$ youtube-dl -f bestvideo,bestaudio -k https://www.youtube.com/watch?v=E4dSRpSnPOU
[youtube] E4dSRpSnPOU: Downloading webpage
[youtube] E4dSRpSnPOU: Downloading video info webpage
[youtube] E4dSRpSnPOU: Extracting video information
[youtube] E4dSRpSnPOU: Downloading MPD manifest
[info] E4dSRpSnPOU: downloading video in 2 formats
[download] Destination: Soma - Slam Positive Education-E4dSRpSnPOU.webm
[download] 100% of 14.95MiB in 00:11
[download] Soma - Slam Positive Education-E4dSRpSnPOU.webm has already been downloaded
[download] 100% of 14.95MiB
host:~/test$ ll
total 15M
-rw-r--r-- 1 fkbreitl fkbreitl 15M Jun  3  2017 Soma - Slam Positive Education-E4dSRpSnPOU.webm

host:~$ youtube-dl --version
2017.11.06
@remitamine
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@remitamine remitamine commented Dec 4, 2017 •
edited

as both formats have the same ext, you should add format_id to the output template inorder to have a unique filename, as an example:

youtube-dl -f bestvideo,bestaudio -o '%(title)s-%(format_id)s.%(ext)s' https://www.youtube.com/watch?v=E4dSRpSnPOU
[youtube] E4dSRpSnPOU: Downloading webpage
[youtube] E4dSRpSnPOU: Downloading video info webpage
[youtube] E4dSRpSnPOU: Extracting video information
[youtube] E4dSRpSnPOU: Downloading MPD manifest
[info] E4dSRpSnPOU: downloading video in 2 formats
[download] Destination: Soma - Slam Positive Education-242.webm
[download] 100% of 14.95MiB in 00:34
[download] Destination: Soma - Slam Positive Education-251.webm
[download] 100% of 8.41MiB in 00:18

ffprobe Soma\ -\ Slam\ Positive\ Education-242.webm 
ffprobe version 3.4 Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 7.2.0 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-shared --enable-version3
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, matroska,webm, from 'Soma - Slam Positive Education-242.webm':
  Metadata:
    encoder         : google
  Duration: 00:08:48.72, start: 0.000000, bitrate: 237 kb/s
    Stream #0:0(eng): Video: vp9 (Profile 0), yuv420p(tv), 426x238, SAR 1:1 DAR 213:119, 25 fps, 25 tbr, 1k tbn, 1k tbc (default)

ffprobe Soma\ -\ Slam\ Positive\ Education-251.webm 
ffprobe version 3.4 Copyright (c) 2007-2017 the FFmpeg developers
  built with gcc 7.2.0 (GCC)
  configuration: --prefix=/usr --disable-debug --disable-static --disable-stripping --enable-avisynth --enable-avresample --enable-fontconfig --enable-gmp --enable-gnutls --enable-gpl --enable-ladspa --enable-libass --enable-libbluray --enable-libfreetype --enable-libfribidi --enable-libgsm --enable-libiec61883 --enable-libmodplug --enable-libmp3lame --enable-libopencore_amrnb --enable-libopencore_amrwb --enable-libopenjpeg --enable-libopus --enable-libpulse --enable-libsoxr --enable-libspeex --enable-libssh --enable-libtheora --enable-libv4l2 --enable-libvidstab --enable-libvorbis --enable-libvpx --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxcb --enable-libxvid --enable-shared --enable-version3
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, matroska,webm, from 'Soma - Slam Positive Education-251.webm':
  Metadata:
    encoder         : google
  Duration: 00:08:48.80, start: -0.007000, bitrate: 133 kb/s
    Stream #0:0(eng): Audio: opus, 48000 Hz, stereo, fltp (default)
@fkbreitl
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@fkbreitl fkbreitl commented Dec 4, 2017

Thank you, that seems to work.

However, it would be nice if a simple switch would exist to do this or at least if it would be documented somewhere that explicitly, since others have had the same question before:

https://unix.stackexchange.com/q/370732/159562
@remitamine
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@remitamine remitamine commented Dec 4, 2017

However, it would be nice if a simple switch would exist to do this or at least if it would be documented somewhere that explicitly.

it's not a common use case, and it's impossible to document evey use case.

since others have had the same question before:
https://unix.stackexchange.com/q/370732/159562

the question you're referring to is different, currently downloading with -f best is the best way to be able to start watching the video while it's been downloaded.
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@fkbreitl @dstftw @remitamine
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