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• Convert Webm to MP4 on the fly using ffmpeg for a Telegram bot using Typescript

  23 novembre 2022, par Hex

  I'm trying to make a very primitive telegram bot that get's a json and uploads the urls that are in the json to telegram.

  


  The problem is that there are urls that point to webm files I tried to see if there is a simple way to do this and I found this : https://www.npmjs.com/package/webm-to-mp4
but it doesn't seem to work sadly, it runs into this error : "

  


  


  


  throw new Error(`Conversion error: ${stderr}`)
                                ^

Error: Conversion error: ffmpeg version n4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with emcc (Emscripten gcc/clang-like replacement) 1.39.11
  configuration: --cc=emcc --ranlib=emranlib --enable-cross-compile --target-os=none --arch=x86 --disable-runtime-cpudetect --disable-asm --disable-fast-unaligned --disable-pthreads --disable-w32threads --disable-os2threads --disable-debug --disable-stripping --disable-safe-bitstream-reader --disable-all --enable-ffmpeg --enable-avcodec --enable-avformat --enable-avfilter --enable-swresample --enable-swscale --disable-network --disable-d3d11va --disable-dxva2 --disable-vaapi --disable-vdpau --enable-decoder=vp8 --enable-decoder=h264 --enable-decoder=vorbis --enable-decoder=opus --enable-decoder=mp3 --enable-decoder=aac --enable-decoder=pcm_s16le --enable-decoder=mjpeg --enable-decoder=png --enable-demuxer=matroska --enable-demuxer=ogg --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=wav --enable-demuxer=image2 --enable-demuxer=concat --enable-protocol=file --enable-filter=aresample --enable-filter=scale --enable-filter=crop --enable-filter=overlay --enable-filter=hstack --enable-filter=vstack --disable-bzlib --disable-iconv --disable-libxcb --disable-lzma --disable-sdl2 --disable-securetransport --disable-xlib --enable-zlib --enable-encoder=libx264 --enable-encoder=libmp3lame --enable-encoder=aac --enable-muxer=mp4 --enable-muxer=mp3 --enable-muxer=null --enable-gpl --enable-libmp3lame --enable-libx264 --extra-cflags='-s USE_ZLIB=1 -I../lame/dist/include' --extra-ldflags=-L../lame/dist/lib
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
input.webm: Invalid data found when processing input
exception thrown: Error: Conversion error: ffmpeg version n4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with emcc (Emscripten gcc/clang-like replacement) 1.39.11
  configuration: --cc=emcc --ranlib=emranlib --enable-cross-compile --target-os=none --arch=x86 --disable-runtime-cpudetect --disable-asm --disable-fast-unaligned --disable-pthreads --disable-w32threads --disable-os2threads --disable-debug --disable-stripping --disable-safe-bitstream-reader --disable-all --enable-ffmpeg --enable-avcodec --enable-avformat --enable-avfilter --enable-swresample --enable-swscale --disable-network --disable-d3d11va --disable-dxva2 --disable-vaapi --disable-vdpau --enable-decoder=vp8 --enable-decoder=h264 --enable-decoder=vorbis --enable-decoder=opus --enable-decoder=mp3 --enable-decoder=aac --enable-decoder=pcm_s16le --enable-decoder=mjpeg --enable-decoder=png --enable-demuxer=matroska --enable-demuxer=ogg --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=wav --enable-demuxer=image2 --enable-demuxer=concat --enable-protocol=file --enable-filter=aresample --enable-filter=scale --enable-filter=crop --enable-filter=overlay --enable-filter=hstack --enable-filter=vstack --disable-bzlib --disable-iconv --disable-libxcb --disable-lzma --disable-sdl2 --disable-securetransport --disable-xlib --enable-zlib --enable-encoder=libx264 --enable-encoder=libmp3lame --enable-encoder=aac --enable-muxer=mp4 --enable-muxer=mp3 --enable-muxer=null --enable-gpl --enable-libmp3lame --enable-libx264 --extra-cflags='-s USE_ZLIB=1 -I../lame/dist/include' --extra-ldflags=-L../lame/dist/lib
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
input.webm: Invalid data found when processing input
,Error: Conversion error: ffmpeg version n4.2.2 Copyright (c) 2000-2019 the FFmpeg developers
  built with emcc (Emscripten gcc/clang-like replacement) 1.39.11
  configuration: --cc=emcc --ranlib=emranlib --enable-cross-compile --target-os=none --arch=x86 --disable-runtime-cpudetect --disable-asm --disable-fast-unaligned --disable-pthreads --disable-w32threads --disable-os2threads --disable-debug --disable-stripping --disable-safe-bitstream-reader --disable-all --enable-ffmpeg --enable-avcodec --enable-avformat --enable-avfilter --enable-swresample --enable-swscale --disable-network --disable-d3d11va --disable-dxva2 --disable-vaapi --disable-vdpau --enable-decoder=vp8 --enable-decoder=h264 --enable-decoder=vorbis --enable-decoder=opus --enable-decoder=mp3 --enable-decoder=aac --enable-decoder=pcm_s16le --enable-decoder=mjpeg --enable-decoder=png --enable-demuxer=matroska --enable-demuxer=ogg --enable-demuxer=mov --enable-demuxer=mp3 --enable-demuxer=wav --enable-demuxer=image2 --enable-demuxer=concat --enable-protocol=file --enable-filter=aresample --enable-filter=scale --enable-filter=crop --enable-filter=overlay --enable-filter=hstack --enable-filter=vstack --disable-bzlib --disable-iconv --disable-libxcb --disable-lzma --disable-sdl2 --disable-securetransport --disable-xlib --enable-zlib --enable-encoder=libx264 --enable-encoder=libmp3lame --enable-encoder=aac --enable-muxer=mp4 --enable-muxer=mp3 --enable-muxer=null --enable-gpl --enable-libmp3lame --enable-libx264 --extra-cflags='-s USE_ZLIB=1 -I../lame/dist/include' --extra-ldflags=-L../lame/dist/lib
  libavutil      56. 31.100 / 56. 31.100
  libavcodec     58. 54.100 / 58. 54.100
  libavformat    58. 29.100 / 58. 29.100
  libavfilter     7. 57.100 /  7. 57.100
  libswscale      5.  5.100 /  5.  5.100
  libswresample   3.  5.100 /  3.  5.100
input.webm: Invalid data found when processing input


  


  I'm not sure what is causing it, my guess is that the webm-to.mp4 package was updated 2 years ago and something broke in the meantime.

  


  Is there a better way to do this then downloading the webm converting it and then sending it up to telegram ? If not how could I do the conversion using just ffmpeg ?

  


  Here is my current code :

  


  import { Telegram, MediaSource, HTML } from 'puregram'
import { HearManager } from '@puregram/hear'
import { createReadStream } from 'fs'
import postsJson from './posts.json';
const { promises: fs } = require("fs");
const webmToMp4 = require("webm-to-mp4");

const telegram = new Telegram({
  token: '********:AAEzriis6zNNjEQuw0BxF9M2RPA9V4lEqLA'
})
const hearManager = new HearManager()

telegram.updates.startPolling()
  .then(() => console.log(`started polling @${telegram.bot.username}`))
  .catch(console.error)

telegram.updates.on('message', hearManager.middleware)

var posts = postsJson;

telegram.updates.on('message', (context) => {
    posts.forEach( async data => {
      console.error(data.ext);
        if(data.ext == "jpg" || data.ext == "png"){
          context.sendPhoto(MediaSource.url(data.image), { caption: data.content  } );
          delay(1000);
        }
        if(data.ext == "gif"){
          context.sendAnimation(MediaSource.url(data.image), { caption: data.content  } );
          delay(1000);
        }
        if(data.ext == "webm"){
          //context.sendDocument(MediaSource.url(data.image), { caption: data.content  } );
          delay(1000);
        }
        delay(1000);
    })
})
fs.writeFile("file.mp4", Buffer.from(webmToMp4( fs.readFile("./file.webm"))));

function delay(ms: number) {
  return new Promise( resolve => setTimeout(resolve, ms) ); //This does not work either
}


  


  I wish everoyne a nice day !

  


• Duration of short ogg files (Telegram Voice messages) not correct when loaded into Python

  4 août 2018, par Kromme

  I’m trying to read voice messages, sent by Telegram, using Python but for short voice clips (< 10 seconds), it doesn’t work. It shortens the duration for some reason. It looks like it has something to do with OGG codec, but I’m not really sure.

  See here’s my code, the voice clip is about six seconds, however pydub reads my 6 second voiceclip as 0.06 seconds.

  import telegram
  
  from pydub import AudioSegment
  
  
  
  AudioSegment.ffmpeg = "./dependencies/ffmpeg-20180802-c9118d4-win64-static/bin/ffmpeg"
  
  AudioSegment.converter = "./dependencies/ffmpeg-20180802-c9118d4-win64-static/bin/ffmpeg"
  
  
  
  
  
  bot = telegram.Bot(token=token)
  
  f = bot.get_file(file_id)
  
  f.download('output/voiceclips/{}.ogg'.format(file_id))
  
  
  
  myaudio = AudioSegment.from_ogg("output/voiceclips/{}.ogg".format(file_id))
  
  print('ID: {}, which is {} seconds'.format(file_id, myaudio.duration_seconds)) 
  
  
  
  >>> ID: ______, which is 0.06 seconds

  When I open the file in VLC-player, it also states that is has 0 seconds. When I try to convert it to WAV-files using FFmpeg it reads the ogg file as 6 seconds, but writes it as 0.05-second WAV file.

  ffmpeg -i infile.ogg outfile.wav
  
  ffmpeg version N-91549-gc9118d4d64 Copyright (c) 2000-2018 the FFmpeg developers
  
    built with gcc 7.3.1 (GCC) 20180722
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --enable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libbluray --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enable-libsnappy --enable-libsoxr --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-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enable-libspeex --enable-libxvid --enable-libaom --enable-libmfx --enable-amf --enable-ffnvcodec --enable-cuvid --enable-d3d11va --enable-nvenc --enable-nvdec --enable-dxva2 --enable-avisynth
  
    libavutil      56. 18.102 / 56. 18.102
  
    libavcodec     58. 22.100 / 58. 22.100
  
    libavformat    58. 17.101 / 58. 17.101
  
    libavdevice    58.  4.101 / 58.  4.101
  
    libavfilter     7. 26.100 /  7. 26.100
  
    libswscale      5.  2.100 /  5.  2.100
  
    libswresample   3.  2.100 /  3.  2.100
  
    libpostproc    55.  2.100 / 55.  2.100
  
  [ogg @ 0000020dd375ad40] 727 bytes of comment header remain
  
  Input #0, ogg, from 'infile.ogg':
  
    Duration: 00:00:06.03, start: 0.000000, bitrate: 20 kb/s
  
      Stream #0:0: Audio: opus, 48000 Hz, mono, fltp
  
  Stream mapping:
  
    Stream #0:0 -> #0:0 (opus (native) -> pcm_s16le (native))
  
  Press [q] to stop, [?] for help
  
  Output #0, wav, to 'outfile.wav':
  
    Metadata:
  
      ISFT            : Lavf58.17.101
  
      Stream #0:0: Audio: pcm_s16le ([1][0][0][0] / 0x0001), 48000 Hz, mono, s16, 768 kb/s
  
      Metadata:
  
        encoder         : Lavc58.22.100 pcm_s16le
  
  size=       6kB time=00:00:00.05 bitrate= 873.0kbits/s speed=4.12x
  
  video:0kB audio:6kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 1.354167%

  For larger files it does the work !

• Telegram Build failed on Windows 10 error from ffmpeg

  23 août 2016, par ass3mbl4ge

  Steps to reproduce

  Build Telegram Projects from Visual Studio 2015
  Expected behaviour

  Build : 4 succeeded, 0 failed

  Actual behaviour

   main.cpp
  
    mainwidget.cpp
  
    mediaview.cpp
  
    media_audio.cpp
  
  SourceFiles\media\media_audio.cpp(1455): error C2039: 'codecpar': is not a member of 'AVStream'
  
    D:\TBuild\Libraries\ffmpeg\libavformat/avformat.h(846): note: see declaration of 'AVStream'
  
  SourceFiles\media\media_audio.cpp(1455): error C3861: 'avcodec_parameters_from_context': identifier not found
  
  SourceFiles\media\media_audio.cpp(1772): error C3861: 'avcodec_send_frame': identifier not found
  
  SourceFiles\media\media_audio.cpp(1788): error C3861: 'avcodec_send_frame': identifier not found
  
  SourceFiles\media\media_audio.cpp(1816): error C3861: 'avcodec_receive_packet': identifier not found
  
    Generating Code...
  
    Compiling...
  
    media_audio_ffmpeg_loader.cpp
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(68): error C2039: 'codecpar': is not a member of 'AVStream'
  
    D:\TBuild\Libraries\ffmpeg\libavformat/avformat.h(846): note: see declaration of 'AVStream'
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(68): error C2227: left of '->sample_rate' must point to class/struct/union/generic type
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(148): error C2039: 'codecpar': is not a member of 'AVStream'
  
    D:\TBuild\Libraries\ffmpeg\libavformat/avformat.h(846): note: see declaration of 'AVStream'
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(155): error C3536: 'codecParams': cannot be used before it is initialized
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(155): error C3861: 'avcodec_parameters_to_context': identifier not found
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(167): error C2227: left of '->channel_layout' must point to class/struct/union/generic type
  
    SourceFiles\media\media_audio_ffmpeg_loader.cpp(167): note: type is 'int'
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(248): error C3861: 'avcodec_receive_frame': identifier not found
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(267): error C3861: 'avcodec_send_packet': identifier not found
  
  SourceFiles\media\media_audio_ffmpeg_loader.cpp(272): error C3861: 'avcodec_send_packet': identifier not found
  
    media_audio_loader.cpp
  
    media_audio_loaders.cpp
  
    media_child_ffmpeg_loader.cpp
  
  SourceFiles\media\media_child_ffmpeg_loader.cpp(120): error C3861: 'avcodec_receive_frame': identifier not found
  
  SourceFiles\media\media_child_ffmpeg_loader.cpp(142): error C3861: 'avcodec_send_packet': identifier not found
  
  SourceFiles\media\media_child_ffmpeg_loader.cpp(146): error C3861: 'avcodec_send_packet': identifier not found
  
    media_clip_ffmpeg.cpp
  
  SourceFiles\media\media_clip_ffmpeg.cpp(46): error C3861: 'avcodec_receive_frame': identifier not found
  
  SourceFiles\media\media_clip_ffmpeg.cpp(90): error C3861: 'avcodec_send_packet': identifier not found
  
  SourceFiles\media\media_clip_ffmpeg.cpp(98): error C3861: 'avcodec_send_packet': identifier not found
  
  SourceFiles\media\media_clip_ffmpeg.cpp(294): error C2039: 'codecpar': is not a member of 'AVStream'
  
    D:\TBuild\Libraries\ffmpeg\libavformat/avformat.h(846): note: see declaration of 'AVStream'
  
  SourceFiles\media\media_clip_ffmpeg.cpp(294): error C3861: 'avcodec_parameters_to_context': identifier not found
  
  SourceFiles\media\media_clip_ffmpeg.cpp(331): error C2039: 'codecpar': is not a member of 'AVStream'
  
    D:\TBuild\Libraries\ffmpeg\libavformat/avformat.h(846): note: see declaration of 'AVStream'
  
  SourceFiles\media\media_clip_ffmpeg.cpp(331): error C3861: 'avcodec_parameters_to_context': identifier not found
  
  SourceFiles\media\media_clip_ffmpeg.cpp(346): error C2039: 'codecpar': is not a member of 'AVStream'
  
    D:\TBuild\Libraries\ffmpeg\libavformat/avformat.h(846): note: see declaration of 'AVStream'
  
  SourceFiles\media\media_clip_ffmpeg.cpp(346): error C2227: left of '->sample_rate' must point to class/struct/union/generic type
  
    media_clip_implementation.cpp

  3 succeeded, 1 failed

  Configuration

  Operating system :
  Windows 10 x64
  Version of Telegram Desktop :
  AppVersion 10002