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• discord.py Heroku FFmpeg issue

  6 avril 2022, par No.BoD

  hi I'm trying to deploy a discord bot on heroku. i'm using ffmpeg to stream music to a voice channel. i tried it local on my windows and got it working but when I deployed it on heroku, throws this exception and says nothing !

  


  I use these buildpacks :

  


  

  1. heroku/python

  


  2. https://github.com/jonathanong/heroku-buildpack-ffmpeg-latest.git

  


  


  I appreciate if someone can help
  
here's a sample code :

  


  vid = pafy.new("https://www.youtube.com/watch?v=gdL7s0kw0SM")
print("Pafy Vid Created!")
audio = vid.getbestaudio()
print("Pafy Audio Created!")
try:
    // self.FFMPEG_OPTIONS = {'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5', 'options': '-vn'}
    self.vc[ctx.guild.id].play(FFmpegPCMAudio(Song['source'], **self.FFMPEG_OPTIONS), after=lambda _: E.set())
    print("Playing Music!!!")
except Exception as ex:
    print(ex)


  


  and here's what I got :

  


  2021-09-20T14:31:19.958645+00:00 app[worker.1]: Pafy Vid Created!
2021-09-20T14:31:19.958889+00:00 app[worker.1]: Pafy Audio Created!
2021-09-20T14:31:20.447278+00:00 app[worker.1]:


  


• ffmpeg : Convert a legally purchased video on Google

  24 avril 2020, par Heycava

  I've bought a video on the Google Play Store. I need to have it on my computer in order to edit it for a video montage. But Google says "Important : You cannot download movies and TV shows onto a PC, Mac, and other laptops or computers."

  



  The video has a YouTube link. As I paid for it, I can watch it. I've managed to get the video part and the audio thanks to some web tools.
The video is a .webm file and the audio a .m4a file.

  



  I can hear the audio with VLC but I can't watch the video. Even if VLC displays "21:42" for the timecode.

  



  Here are informations for the webm file (from MediaInfo) :

  



  General
Complete name                            : XXX\videoplayback.webm
Format                                   : WebM
Format version                           : Version 4 / Version 2
File size                                : 357 MiB
Duration                                 : 21 min 42 s
Overall bit rate                         : 2 301 kb/s
Writing application                      : google/video-file
Writing library                          : google/video-file

Video
ID                                       : 1
Format                                   : VP9
Codec ID                                 : V_VP9
Duration                                 : 21 min 42 s
Bit rate                                 : 2 203 kb/s
Width                                    : 854 pixels
Height                                   : 480 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 23.976 (24000/1001) FPS
Bits/(Pixel*Frame)                       : 0.224
Stream size                              : 342 MiB (96%)
Language                                 : English
Default                                  : Yes
Forced                                   : No


  



  It seems to be a good video file.

  



  I wanted to convert it with some video converters but none of them works. So I've tried to download ffmpeg, I renamed the video to "video.webm" and tried a lot of commands. But none of them worked.

  



  Here are informations from ffprobe command :

  



  C:\Users\XXX\Downloads\ffmpeg-20200424-a501947-win64-static\bin>ffprobe -i video.webm


  



  Results :

  



  ffprobe version git-2020-04-24-a501947 Copyright (c) 2007-2020 the FFmpeg developers
  built with gcc 9.3.1 (GCC) 20200328
  configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libdav1d --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --enable-libsrt --enable-libtheora --enable-libtwolame --enable-libvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --enable-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-libvidstab --enable-libvmaf --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --disable-w32threads --enable-libmfx --enable-ffnvcodec --enable-cuda-llvm --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth --enable-libopenmpt --enable-amf
  libavutil      56. 42.102 / 56. 42.102
  libavcodec     58. 81.100 / 58. 81.100
  libavformat    58. 42.101 / 58. 42.101
  libavdevice    58.  9.103 / 58.  9.103
  libavfilter     7. 79.100 /  7. 79.100
  libswscale      5.  6.101 /  5.  6.101
  libswresample   3.  6.100 /  3.  6.100
  libpostproc    55.  6.100 / 55.  6.100
[vp9 @ 00000284720d5f40] Invalid frame marker
    Last message repeated 111 times
[vp9 @ 00000284720d5f40] Profile 4 is not yet supported
[vp9 @ 00000284720d5f40] Invalid frame marker
    Last message repeated 6 times
[matroska,webm @ 00000284720cd840] decoding for stream 0 failed
[matroska,webm @ 00000284720cd840] Could not find codec parameters for stream 0 (Video: vp9 (Profile 0), none, 854x480): unspecified pixel format
Consider increasing the value for the 'analyzeduration' and 'probesize' options
Input #0, matroska,webm, from 'video.webm':
  Metadata:
    encoder         : google/video-file
  Duration: 00:21:42.05, start: 0.000000, bitrate: 2301 kb/s
    Stream #0:0(eng): Video: vp9 (Profile 0), none, 854x480, SAR 1:1 DAR 427:240, 23.98 fps, 23.98 tbr, 1k tbn, 1k tbc (default)
    Metadata:
      enc_key_id      : [24 characters I prefer not to display]


  



  If ever I initiate a conversion, I get :

  



  [vp9 @ 0000019038a80980] Invalid frame marker
[vp9 @ 0000019038c0fe40] Invalid frame marker
[vp9 @ 0000019038c193c0] Invalid frame marker
[vp9 @ 0000019038c1e780] Invalid frame marker
[vp9 @ 0000019038c29100] Invalid frame marker
[vp9 @ 0000019038c324c0] Invalid frame marker
[vp9 @ 0000019038c3d480] Invalid frame marker
[vp9 @ 0000019038c47280] Invalid frame marker
Error while decoding stream #0:0: Invalid data found when processing input
[vp9 @ 0000019038c4c080] Invalid frame marker
Error while decoding stream #0:0: Invalid data found when processing input
[vp9 @ 0000019038a80980] Invalid frame marker


  



  etc.
Then :

  



  Error while decoding stream #0:0: Resource temporarily unavailable
    Last message repeated 243 times
Error while decoding stream #0:0: Resource temporarily unavailabletrate=  -0.0kbits/s speed=N/A
    Last message repeated 306 times
Error while decoding stream #0:0: Resource temporarily unavailabletrate=  -0.0kbits/s speed=N/A
    Last message repeated 190 times


  



  I've already checked on the Internet solutions for the raised issues :

  



  

  • Invalid frame marker

  


  • unspecified pixel format

  


  • Consider increasing the value for the 'analyzeduration' and 'probesize' options

  


  



  But it didn't work in my case.

  



  Obviously, I can watch the video on YouTube when I'm logged into my purchase account. I presume they have a high level security algorithm, that's why I can't do nothing. Mayve there is something with the "enc_key_id" in the metadata, they get it and the video can only be read with it. I don't know.

  



  I find it unacceptable not to be able to use freely my purchased videos.

  



  Would anyone have an idea ?

  


• Combine .dash video and audio segments to .mp4

  11 décembre 2019, par Mike Stevens

  I was able to download some dash video segments (youtube-dl was apparently blocked from downloading the .mpd and just downloading, concatenating as normal) and was hoping to combine/concatenate them so I could watch in VLC, perhaps using ffmpeg. I was able to download the relevant .mpd and .ismc files, so I have all of the DASH video and audio segments, as well as the .mpd and .ismc downloaded and in one folder.

  The video files are labelled as such

  video=869000.dash
  
  video=869000-0.dash
  
  video=869000-600.dash
  
  video=869000-1200.dash

  and the audio in a similar fashion

  audio=96000.dash
  
  audio=96000-0.dash
  
  audio=96000-96225.dash

  Would anyone know of a way to combine all of these into one watchable video file ? AdobeHDS used to work great for combining fragments, and youtube-dl cleary has some sort of method to do it, but neither works with this particular .mpd. I don’t believe concatenate in ffmpeg will work, when I try to do that, it initializes the first .dash file (audio or video), but stops there.

  When I try to put the .mpd file through ffmpeg, it returns "Failed to open an initialization section in playlist 0". I would’ve assumed this initialization was the video=869000.dash file though (which is the one segment file that ffmpeg does recognize) ?