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• youtube-dl got a 3gp file, apparently it doesn't contain any video streams. Is there some way to play the video ?

  29 juillet 2018, par Albertinio

  I tried downloading a video with youtube-dl with 3gp format. When I try to play it on VLC or any other application it doesn’t play. This is the output I get when trying to download it again.

  youtube-dl https://youtu.be/lVFq__mrmlQ -f worst -v  
  
  [debug] System config: []  
  
  [debug] User config: []  
  
  [debug] Custom config: []  
  
  [debug] Command-line args: ['https://youtu.be/lVFq__mrmlQ', '-f', 'worst', '-v']  
  
  [debug] Encodings: locale UTF-8, fs utf-8, out UTF-8, pref UTF-8  
  
  [debug] youtube-dl version 2018.03.14  
  
  [debug] Python version 3.6.5 (CPython) - Linux-4.15.0-29-generic-x86_64-with-Ubuntu-18.04-bionic  
  
  [debug] exe versions: ffmpeg 3.4.2-2, ffprobe 3.4.2-2, phantomjs 2.1.1, rtmpdump 2.4  
  
  [debug] Proxy map: {}  
  
  [youtube] lVFq__mrmlQ: Downloading webpage  
  
  [youtube] lVFq__mrmlQ: Downloading video info webpage  
  
  [youtube] lVFq__mrmlQ: Extracting video information  
  
  [debug] Invoking downloader on 'https://r4---sn-h5q7dnee.googlevideo.com/videoplayback?signature=5432A7990BB3336616E21753F1D53171D09CBC31.B98E84CF0C51F39C613F53311128CD9E7A3872EA&c=WEB&lmt=1514133618343257&key=yt6&itag=17&fvip=3&mn=sn-h5q7dnee%2Csn-h5q7knes&mm=31%2C29&pl=24&mime=video%2F3gpp&id=o-AKWLZ7MpY1ip3PlxZJ7vXBY-jDqbVpUeI_Bls_o_g-GV&ipbits=0&requiressl=yes&ip=90.174.4.0&gir=yes&mt=1532653244&ms=au%2Crdu&dur=18470.684&initcwndbps=1011250&ei=S29aW5SjH4bIVseNkfgE&expire=1532674987&mv=m&sparams=clen%2Cdur%2Cei%2Cgir%2Cid%2Cinitcwndbps%2Cip%2Cipbits%2Citag%2Clmt%2Cmime%2Cmm%2Cmn%2Cms%2Cmv%2Cpl%2Crequiressl%2Csource%2Cexpire&clen=195336027&source=youtube&ratebypass=yes'  
  
  [download] Heroes of Might and Magic III - No Might 1v7 FFA (200%)-lVFq__mrmlQ.3gp has already been downloaded  
  
  [download] 100% of 186.29MiB  

  I tried converting it with ffmpeg, but I get the following message :

  ffmpeg -i  Heroes\ of\ Might\ and\ Magic\ III\ -\ No\ Might\ 1v7\ FFA\ \(200%\)-lVFq__mrmlQ.3gp Heroes\ of\ Might\ and\ Magic\ III\ -\ No\ Might\ 1v7\ FFA\ \(200%\)-lVFq__mrmlQ.mp4
  
  ffmpeg version 3.4.2-2 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 7 (Ubuntu 7.3.0-16ubuntu2)
  
    configuration: --prefix=/usr --extra-version=2 --toolchain=hardened --libdir=/usr/lib/x86_64-linux-gnu --incdir=/usr/include/x86_64-linux-gnu --enable-gpl --disable-stripping --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-libmp3lame --enable-libmysofa --enable-libopenjpeg --enable-libopenmpt --enable-libopus --enable-libpulse --enable-librubberband --enable-librsvg --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-libxml2 --enable-libxvid --enable-libzmq --enable-libzvbi --enable-omx --enable-openal --enable-opengl --enable-sdl2 --enable-libdc1394 --enable-libdrm --enable-libiec61883 --enable-chromaprint --enable-frei0r --enable-libopencv --enable-libx264 --enable-shared
  
    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
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x562e75c728c0] Could not find codec parameters for stream 0 (Video: mpeg4 (mp4v / 0x7634706D), none, 221 kb/s): unspecified size
  
  Consider increasing the value for the 'analyzeduration' and 'probesize' options
  
  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'Heroes of Might and Magic III - No Might 1v7 FFA (200%)-lVFq__mrmlQ.3gp':
  
    Metadata:
  
      major_brand     : mp42
  
      minor_version   : 0
  
      compatible_brands: isommp42
  
      creation_time   : 2017-12-24T16:43:17.000000Z
  
    Duration: 05:07:50.68, bitrate: 84 kb/s
  
      Stream #0:0(und): Video: mpeg4 (mp4v / 0x7634706D), none, 221 kb/s, 30 fps, 30 tbr, 15360 tbn, 15360 tbc (default)
  
      Metadata:
  
        creation_time   : 2017-12-24T16:43:17.000000Z
  
        handler_name    : IsoMedia File Produced by Google, 5-11-2011
  
  Output #0, mp4, to 'Heroes of Might and Magic III - No Might 1v7 FFA (200%)-lVFq__mrmlQ.mp4':
  
  Output file #0 does not contain any stream

  With this information, I don’t know how to proceed. I already tried ffmpeg with the max analyzeduration and probesize and it still doesn’t work. Any ideas ?

  EDIT : added list of formats youtube-dl detected.

  youtube-dl -F https://youtu.be/lVFq__mrmlQ
  
  [youtube] lVFq__mrmlQ: Downloading webpage
  
  [youtube] lVFq__mrmlQ: Downloading video info webpage
  
  [youtube] lVFq__mrmlQ: Extracting video information
  
  [info] Available formats for lVFq__mrmlQ:
  
  format code  extension  resolution note
  
  249          webm       audio only DASH audio   71k , opus @ 50k, 108.83MiB
  
  250          webm       audio only DASH audio   85k , opus @ 70k, 142.71MiB
  
  171          webm       audio only DASH audio  119k , vorbis@128k, 228.14MiB
  
  140          m4a        audio only DASH audio  145k , m4a_dash container, mp4a.40.2@128k, 279.77MiB
  
  251          webm       audio only DASH audio  152k , opus @160k, 280.97MiB
  
  160          mp4        256x144    144p  114k , avc1.4d400c, 30fps, video only, 91.12MiB
  
  278          webm       256x144    144p  153k , webm container, vp9, 30fps, video only, 176.00MiB
  
  133          mp4        426x240    240p  258k , avc1.4d4015, 30fps, video only, 188.39MiB
  
  242          webm       426x240    240p  261k , vp9, 30fps, video only, 366.78MiB
  
  243          webm       640x360    360p  528k , vp9, 30fps, video only, 751.54MiB
  
  134          mp4        640x360    360p  758k , avc1.4d401e, 30fps, video only, 539.15MiB
  
  244          webm       854x480    480p  896k , vp9, 30fps, video only, 1.43GiB
  
  135          mp4        854x480    480p 1441k , avc1.4d401f, 30fps, video only, 1.40GiB
  
  247          webm       1280x720   720p 1798k , vp9, 30fps, video only, 3.03GiB
  
  136          mp4        1280x720   720p 2673k , avc1.4d401f, 30fps, video only, 2.86GiB
  
  302          webm       1280x720   720p60 2907k , vp9, 60fps, video only, 5.10GiB
  
  298          mp4        1280x720   720p60 4626k , avc1.4d4020, 60fps, video only, 4.11GiB
  
  17           3gp        176x144    small , mp4v.20.3, mp4a.40.2@ 24k
  
  36           3gp        320x180    small , mp4v.20.3, mp4a.40.2
  
  43           webm       640x360    medium , vp8.0, vorbis@128k
  
  18           mp4        640x360    medium , avc1.42001E, mp4a.40.2@ 96k
  
  22           mp4        1280x720   hd720 , avc1.64001F, mp4a.40.2@192k (best)

  The one that got downloaded was number 17.

• RTMP Disconnects quickly when the stream is turned on and No index.m3u8 files are being generated in the assigned directory [closed]

  23 avril, par Kartik Salve

  23/4/2025 09:52:58 9408 [INFO] [rtmp connect] id=7K1RWSO1 ip=::1 app=live args={"app":"live","flashVer":"LNX 9,0,124,2","tcUrl":"rtmp://localhost:1935/live","fpad":false,"capabilities":15,"audioCodecs":4071,"videoCodecs":252,"videoFunction":1}
23/4/2025 09:52:58 9408 [INFO] [rtmp play] Join stream. id=7K1RWSO1 streamPath=/live/test  streamId=1 
23/4/2025 09:52:59 9408 [INFO] [rtmp play] Close stream. id=7K1RWSO1 streamPath=/live/test streamId=1
23/4/2025 09:52:59 9408 [INFO] [rtmp disconnect] id=7K1RWSO1


  


  These are the logs, ffmpeg pushes the stream in a different folder when tried manually.

  


  

  • I tried changing the location of my file outside of oneDrive to avoid any permission conflicts.

  


  • Manually checked if FFmpeg is correct with this command : C:\ffmpeg\bin\ffmpeg.exe -i rtmp://localhost/live/test -c:v copy -c:a aac -f hls -hls_time 2 -hls_list_size 5 -hls_flags delete_segments output/index.m3u8

  


  • Downgraded NMS to a stable version.

  


  


• How to quote a file name with a single quote in ffmpeg movie= filter notation ? [closed]

  26 mai, par PieterV

  I am trying to run ffmpeg using a file that contains a single quote ' in the filename.

  


  I tried to follow the docs that say I should replace a ' with '\''.
  
And a ticket that says I should replace a ' with \\\\\'.

  


  I've tried both, and can't get get it working.

  


  E.g. docs format :

  


  ./ffprobe -loglevel error -read_intervals %00:30 -select_streams s:0 -f lavfi -i "movie='D\:\\Test\\Interlaced - Dragons'\'' Den - S14E02 - Episode 2.mkv'[out0+subcc]" -show_packets -print_format json

{
[Parsed_movie_0 @ 00000222a2f82200] Failed to avformat_open_input 'D:\Test\Interlaced - Dragons Den - S14E02 - Episode 2.mkv'
[AVFilterGraph @ 00000222a2f76ec0] Error processing filtergraph: No such file or directory
movie='D\:\\Test\\Interlaced - Dragons'\'' Den - S14E02 - Episode 2.mkv'[out0+subcc]: No such file or directory


  


  E.g. ticket format :

  


  ./ffprobe -loglevel error -read_intervals %00:30 -select_streams s:0 -f lavfi -i "movie='D\:\\Test\\Interlaced - Dragons\\\\\' Den - S14E02 - Episode 2.mkv'[out0+subcc]" -show_packets -print_format json

{
[Parsed_movie_0 @ 00000158613d2080] Failed to avformat_open_input 'D:\Test\Interlaced - Dragons\\ Den - S14E02 - Episode 2.mkv[out0+subcc]'
[AVFilterGraph @ 00000158613c6ec0] Error processing filtergraph: No such file or directory
movie='D\:\\Test\\Interlaced - Dragons\\\\\' Den - S14E02 - Episode 2.mkv'[out0+subcc]: No such file or directory


  


  > dir "D:\Test\Interlaced - Dragons' Den - S14E02 - Episode 2.mkv"

    Directory: D:\Test

Mode                 LastWriteTime         Length Name
----                 -------------         ------ ----
-a---           4/20/2025 11:38 AM       18059051 Interlaced - Dragons' Den - S14E02 - Episode 2.mkv


  


  This is on Win11 using FFmpeg7.
  
Any ideas ?

  


  [Update]
  
I found a doc on escape filtergraph strings, did not help, I tried 0 to 7 \.

  


  I also found and tried the ffescape utility, the output it produces just uses a single \' and does not work.

  


  > echo "D:\Test\Interlaced - Dragons' Den - S14E02 - Episode 2.mkv" | ./ffescape.exe
=> D:\\Test\\Interlaced - Dragons\' Den - S14E02 - Episode 2.mkv\

> ./ffprobe -loglevel error -read_intervals %00:30 -select_streams s:0 -f lavfi -i "movie='D:\\Test\\Interlaced - Dragons\' Den - S14E02 - Episode 2.mkv\'[out0+subcc]" -show_packets -print_format json
{
[Parsed_movie_0 @ 0000021348f12200] Failed to avformat_open_input 'D'
[AVFilterGraph @ 0000021348f06ec0] Error processing filtergraph: No such file or directory
movie='D:\\Test\\Interlaced - Dragons\' Den - S14E02 - Episode 2.mkv\'[out0+subcc]: No such file or directory


  


  [Update]
  
I found docs for ffmpeg filter script where I can place commands in a file.

  


  I tried ./ffprobe -loglevel error -read_intervals %00:01 -select_streams s:0 -f lavfi -/i "d:\filtergraph.txt" -show_packets -print_format json, and it load the script.

  


  Works : movie=test.mkv[out0+subcc]\ if test.mkv is in ffprobe dir.
Works : movie=test\'.mkv[out0+subcc]\ if test'.mkv is in ffprobe dir.
  
Not : movie=D:\test.mkv[out0+subcc]
  
Not : movie=D\:\\test.mkv[out0+subcc]
  
Not : movie=test space.mkv[out0+subcc]
  
Not : movie='test space.mkv[out0+subcc]'
  
Not : movie="test space.mkv[out0+subcc]"
  
Not : 'movie=test space.mkv[out0+subcc]'
  
Not : "movie=test space.mkv[out0+subcc]"

  


   :(

  


  Update with working answer