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• Can't play MP4 after download

  14 août 2018, par joe

  I am using a downloader program in Firefox to download videos playing in Firefox. Most of the time final MP4 is playable. But sometimes I get MP4 file that looks good(shows file size) but shows no length of video in file explorer.

  I get this error log.

  Could not get information from media 'ESPN 2 (HD) Live Stream Channel' from file 'C:\Download\dwHelper\ESPN 2 (HD) Live Stream Channel.mp4'. The file might be corrupted.
  
  
  
  {
  
      "file": "C:\\Download\\dwHelper\\ESPN 2 (HD) Live Stream Channel.mp4",
  
      "stat": {
  
          "dev": 3831878042,
  
          "mode": 33206,
  
          "nlink": 1,
  
          "uid": 0,
  
          "gid": 0,
  
          "rdev": 0,
  
          "ino": 9007199254752056,
  
          "size": 610722524,
  
          "atimeMs": 1534241605017.09,
  
          "mtimeMs": 1534241604156.685,
  
          "ctimeMs": 1534241604426.08,
  
          "birthtimeMs": 1534237675494.6475,
  
          "atime": "2018-08-14T10:13:25.017Z",
  
          "mtime": "2018-08-14T10:13:24.157Z",
  
          "ctime": "2018-08-14T10:13:24.426Z",
  
          "birthtime": "2018-08-14T09:07:55.495Z"
  
      }
  
  }
  
  Exit code: 1
  
  ffprobe version n4.0-1-gdc49a24-vdhcoapp Copyright (c) 2007-2018 the FFmpeg developers

  built with gcc 5.3.1 (GCC) 20160211

  configuration : —cross-prefix=x86_64-w64-mingw32- —sysroot=/usr/x86_64-w64-mingw32/ —extra-ldflags=-static-libgcc —target-os=mingw32 —arch=x86_64 —prefix=/home/mig/vdhcoapp/converter/src-build/win/64/converter-build —extra-version=vdhcoapp —extra-cflags=-I/home/mig/vdhcoapp/converter/src-build/win/64/deps/include —extra-ldflags=’-static-libgcc -L/home/mig/vdhcoapp/converter/src-build/win/64/deps/lib -L/home/mig/vdhcoapp/converter/src-build/win/64/zlib’ —extra-libs=-lpthread —pkg-config=/usr/bin/x86_64-w64-mingw32-pkg-config —enable-shared —enable-gpl —enable-pthreads —disable-w32threads —enable-libmp3lame —enable-libopenjpeg —enable-libopus —enable-libtheora —enable-libvorbis —enable-libvpx —enable-libwebp —enable-libx265 —enable-libxvid —enable-libx264 —enable-avresample —disable-doc

  libavutil 56. 14.100 / 56. 14.100

  libavcodec 58. 18.100 / 58. 18.100

  libavformat 58. 12.100 / 58. 12.100

  libavdevice 58. 3.100 / 58. 3.100

  libavfilter 7. 16.100 / 7. 16.100

  libavresample 4. 0. 0 / 4. 0. 0

  libswscale 5. 1.100 / 5. 1.100

  libswresample 3. 1.100 / 3. 1.100

  libpostproc 55. 1.100 / 55. 1.100

  [mov,mp4,m4a,3gp,3g2,mj2 @ 00000000024c3900] moov atom not found

  C :\Download\dwHelper\ESPN 2 (HD) Live Stream Channel.mp4 : Invalid data found when processing input

  It looks like moov atom is missing thus can’t aggregate PART file into final playable MP4.

  I understand that during download, PART file is created. Then later PART is aggregated into final MP4.

  So question is how can I make this MP4 to play ?
  or is it impossible to play cus moov atom was not properly downloaded ?

  Any thoughts ?
  Thanks

• download youtube video as audio file, with URL in filename, to a specific output directory

  9 octobre 2018, par thanks_in_advance

  I do this to download a video as an audio file (mp3), with the video’s youtube URL (URI actually) in the audio file’s filename (I like having the URI in the filename because it helps me identify which video I grabbed the audio from) :

  youtube-dl --extract-audio --audio-format mp3 --prefer-ffmpeg --ffmpeg-location "C:\FFMPEG" "https://www.youtube.com/watch?v=k1-TrAvp_xs" --audio-quality 0

  The con with this approach : with this command, the file downloads to the same directory that contains youtube-dl.exe

  ---

  I do this to download a youtube video as an audio file (mp3) to a specific output directory :

  youtube-dl -o "C:\Documents\Downloads\%(title)s.%(ext)s" --extract-audio --audio-format mp3 --prefer-ffmpeg --ffmpeg-location "C:\FFMPEG" "https://www.youtube.com/watch?v=k1-TrAvp_xs" --audio-quality 0

  The con with this approach : with this command, the downloaded audio file’s filename doesn’t contain the youtube video’s URI.

  ---

  My Question : How can I combine the above 2 commands such that the downloaded audio file doesn’t have either of the cons mentioned above ?

• download hls from m3u8 file with a particular resolution with ffmpeg [on hold]

  22 octobre 2018, par C.J.

  hi i am a new member of this site after looking at this site for hours i found how to download HLS from a site and it works also. but one thing i could not find is if a particular site has available video in more than one resolution say 1280*720 and 1920*1080. so how do i tell FFMPEG to download 1280*720 and not 1920*1080. this is the code i tried.

  ffmpeg i "https://hsprepack.akamaized.net/videos/hotstarint/world/kwks6/1_2/master.m3u8?hdnea=st=1540178095 exp=1540179895 acl=/* hmac=ee2361306de510cf4f372c359b5ec21fd3d3b61d65b6f5e2f16259508e08c625" output.mp4