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• android ffmpeg concatenate multiple m4a files

  19 janvier 2017, par margie

  I need help in concatenating audio files in android using ffmpeg

  My source of audio files is from recording result (container .m4a, encoder aac).
  When I concat them using ffmpeg, the result file length(duration) is only of the 1st file.

  ie. FileA length = 1:00, FileB length = 0:14. Expected FileResult length = 1:14, but actual result is 1:00).

  I also tried the command I used in desktop ffmpeg and it give the same result.

  This is my command :

   [-i, 
  
  concat:storage/emulated/0/Music/Recordings/REC_20170119_162023.m4a|/storage/emulated/0/Music/Recordings/REC_20170119_162042.m4a, 
  
  -c, 
  
  copy, 
  
  /storage/emulated/0/Music/Recordings/REC_20170119_162047.m4a]

  and the ffmpeg result is :

  D/FFmpeg: onSuccess: ffmpeg version n3.0.1 Copyright (c) 2000-2016 the FFmpeg developers
  
          built with gcc 4.8 (GCC)
  
          configuration: --target-os=linux --cross-prefix=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-libmp3lame --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/vagrant/SourceCode/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/vagrant/SourceCode/ffmpeg-android/build/armeabi-v7a --extra-cflags='-I/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all' --extra-ldflags='-L/home/vagrant/SourceCode/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
  
          libavutil      55. 17.103 / 55. 17.103
  
          libavcodec     57. 24.102 / 57. 24.102
  
          libavformat    57. 25.100 / 57. 25.100
  
          libavdevice    57.  0.101 / 57.  0.101
  
          libavfilter     6. 31.100 /  6. 31.100
  
          libswscale      4.  0.100 /  4.  0.100
  
          libswresample   2.  0.101 /  2.  0.101
  
          libpostproc    54.  0.100 / 54.  0.100
  
        [mov,mp4,m4a,3gp,3g2,mj2 @ 0xf58d7000] Found duplicated MOOV Atom. Skipped it
  
        Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'concat:/storage/emulated/0/Music/Recordings/REC_20170119_162023.m4a|/storage/emulated/0/Music/Recordings/REC_20170119_162042.m4a':
  
          Metadata:
  
            com.android.version: 6.0
  
            major_brand     : mp42
  
            minor_version   : 0
  
            creation_time   : 2017-01-19 09:20:30
  
            compatible_brands: isommp42
  
          Duration: 00:00:07.18, start: 0.000000, bitrate: 21 kb/s
  
            Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 10 kb/s (default)
  
            Metadata:
  
              creation_time   : 2017-01-19 09:20:30
  
              handler_name    : SoundHandle
  
        Output #0, ipod, to '/storage/emulated/0/Music/Recordings/REC_20170119_162047.m4a':
  
          Metadata:
  
            com.android.version: 6.0
  
            major_brand     : mp42
  
            minor_version   : 0
  
            compatible_brands: isommp42
  
            encoder         : Lavf57.25.100
  
            Stream #0:0(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, mono, 10 kb/s (default)
  
            Metadata:
  
              creation_time   : 2017-01-19 09:20:30
  
              handler_name    : SoundHandle
  
        Stream mapping:
  
          Stream #0:0 -> #0:0 (copy)
  
        Press [q] to stop, [?] for help
  
        size=      11kB time=00:00:07.17 bitrate=  13.1kbits/s speed= 230x    
  
        video:0kB audio:10kB subtitle:0kB other streams:0kB global headers:0kB muxing overhead: 20.181986%

  also tried this command, but still give the same result

  [-y, -i, /storage/emulated/0/Music/Recordings/REC_20170119_165440.m4a, -i, /storage/emulated/0/Music/Recordings/REC_20170119_165445.m4a, -acodec, aac, /storage/emulated/0/Music/Recordings/REC_20170119_165448.m4a]

• discord.py 0pusError:Invalid Argument M1 Pro Macbook

  16 juin 2022, par xuo

  Discord music bot not able to be initialized and play music on MacOS. Works fine on other unix-based systems and windows.

  


  Traceback (most recent call last):
  File "/opt/homebrew/lib/python3.9/site-packages/discord/ext/commands/core.py", line 85, in wrapped
    ret = await coro(*args, **kwargs)
  File "/Users/xuo/Desktop/coding stuff/musicbot/music.py", line 158, in play
    await self.play_song(ctx, song) #involes player
  File "/Users/xuo/Desktop/coding stuff/musicbot/music.py", line 47, in play_song
    ctx.voice_client.play(discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(url)), after=lambda error: self.bot.loop.create_task(self.check_queue(ctx)))
  File "/opt/homebrew/lib/python3.9/site-packages/discord/voice_client.py", line 564, in play
    self.encoder = opus.Encoder()
  File "/opt/homebrew/lib/python3.9/site-packages/discord/opus.py", line 290, in __init__
    self.set_bitrate(128)
  File "/opt/homebrew/lib/python3.9/site-packages/discord/opus.py", line 308, in set_bitrate
    _lib.opus_encoder_ctl(self._state, CTL_SET_BITRATE, kbps * 1024)
  File "/opt/homebrew/lib/python3.9/site-packages/discord/opus.py", line 92, in _err_lt
    raise OpusError(result)
discord.opus.OpusError: invalid argument

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/opt/homebrew/lib/python3.9/site-packages/discord/ext/commands/bot.py", line 939, in invoke
    await ctx.command.invoke(ctx)
  File "/opt/homebrew/lib/python3.9/site-packages/discord/ext/commands/core.py", line 863, in invoke
    await injected(*ctx.args, **ctx.kwargs)
  File "/opt/homebrew/lib/python3.9/site-packages/discord/ext/commands/core.py", line 94, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: OpusError: invalid argument


  


• discord.errors.ClientException : C :/ffmpeg/bin/ffmpeg was not found

  31 octobre 2020, par OutStrike

  I'm trying to create a music bot for my discord. All I want right now is for my discord bot to play a music clip. I've found no solutions at all.

  


  @commands.command()
async def play(self, ctx, url):
    channel = ctx.author.voice.channel
    channel = await channel.connect()
    guild = ctx.guild
    voice_client: discord.VoiceClient = discord.utils.get(self.bot.voice_clients, guild=guild)
    audio_source = discord.FFmpegPCMAudio(executable="C:/ffmpeg/bin/ffmpeg", source="alex_sus.mp3")
    if not voice_client.is_playing():
        voice_client.play(audio_source, after=None)


  


  This is exactly my code but I get the error :

  


  discord.ext.commands.errors.CommandInvokeError: Command raised an exception: ClientException: C:/ffmpeg/bin/ffmpeg was not found.


  


  The file is most definitely in the location I specified and I put ffmpeg into my env path. I've followed every instruction when installing ffmpeg, but nothing I do works. I just want to note that ffmpeg is on my C drive, while the code is on my D drive. Idk if this makes a difference or not.