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• Command raised an exception : NameError : name 'player' is not defined

  20 mars 2023, par baartys

  I finally got myself a hosting for my project, but got into an error and I don't know how to resolve it.
I ran command !play to start streaming in vc, but I got this error :

  


  2023-03-19 18:36:04 INFO     discord.client logging in using static token
2023-03-19 18:36:04 INFO     discord.gateway Shard ID None has connected to Gateway (Session ID: f983009c9f2881b87ee119278692efc9).
Eurobeat Radio is running!
2023-03-19 18:36:10 ERROR    discord.ext.commands.bot Ignoring exception in command play
Traceback (most recent call last):
  File "/home/container/.local/lib/python3.10/site-packages/discord/ext/commands/core.py", line 229, in wrapped
    ret = await coro(*args, **kwargs)
  File "/home/container/radio.py", line 44, in play
    player.play(FFmpegPCMAudio('http://stream.eurobeat.xyz'))
NameError: name 'player' is not defined
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
  File "/home/container/.local/lib/python3.10/site-packages/discord/ext/commands/bot.py", line 1350, in invoke
    await ctx.command.invoke(ctx)
  File "/home/container/.local/lib/python3.10/site-packages/discord/ext/commands/core.py", line 1023, in invoke
    await injected(*ctx.args, **ctx.kwargs)  # type: ignore
  File "/home/container/.local/lib/python3.10/site-packages/discord/ext/commands/core.py", line 238, in wrapped
    raise CommandInvokeError(exc) from exc
discord.ext.commands.errors.CommandInvokeError: Command raised an exception: NameError: name 'player' is not defined


  


  I tried running it on my pc and that was without error, but once it was on the hosting it ran in to the error up the page.

  


  Here is the code :

  


  import discord
import urllib.request, json 
from discord import FFmpegPCMAudio
from discord.ext import commands
from discord.ext import tasks
client= commands.Bot(command_prefix="er!", intents=discord.Intents.all(), help_command=None)

@tasks.loop(seconds=10.0)
async def my_background_task():
    """Will loop every 60 seconds and change the bots presence"""
    with urllib.request.urlopen('https://api.laut.fm/station/eurobeat/current_song') as url:
        data = json.load(url)
        global namestatus
        global artiststatus
        namestatus = data['title']
        artiststatus = data['artist']['name']
    await client.change_presence(activity=discord.Activity(type=discord.ActivityType.listening, name="Eurobeat FM"))
    await client.change_presence(activity=discord.Game(name="Para para dancing ~"))
    await client.change_presence(activity=discord.Activity(type=discord.ActivityType.listening, name=f"{namestatus} by {artiststatus}"))


@client.event
async def on_ready():
    print('Eurobeat Radio is running!')
    await client.wait_until_ready()
    my_background_task.start()


@client.event
async def on_voice_state_update(member, prev, cur):
    if client.user in prev.channel.members and len([m for m in prev.channel.members if not m.bot]) == 0:
        channel = discord.utils.get(client.voice_clients, channel=prev.channel)
        await channel.disconnect()

@client.command(aliases=['p', 'pla', 'join', 'j'])
async def play(ctx, url: str = 'http://stream.eurobeat.xyz'): 
    channel = ctx.message.author.voice.channel
    global player
    try:
        player = await channel.connect()
    except:
        pass
    player.play(FFmpegPCMAudio('http://stream.eurobeat.xyz'))
    embedVar = discord.Embed(title="Started Playing!", color=discord.Color.random())
    await ctx.send(embed=embedVar)


  


  Would be very grateful for your help !

  


• Stream input to stream output using avserver

  13 janvier 2014, par Gustavo Sgarbi Campos

  I'm trying to use the avserver package to re-stream my ip camera's stream in order to be able to record this stream and access it remotelly without having to stream it twice from the camera, to avoid overloading the wireless network.

  Following this link https://libav.org/avserver.html I came up with the following command :

  avserver -f /etc/avserver.conf & avconv -i http://user:password@192.168.1.121/videostream.asf http://localhost:80/feed1.ffm

  This gives me the following output

  avserver version 0.8.3-6:0.8.3-6ubuntu2, Copyright (c) 2000-2012 the Libav developers
  
  built on Oct  1 2012 15:03:26 with gcc 4.7.2
  
  avconv version 0.8.3-6:0.8.3-6ubuntu2, Copyright (c) 2000-2012 the Libav developers
  
  built on Oct  1 2012 15:03:26 with gcc 4.7.2
  
  Mon Jan 13 20:13:44 2014 AVserver started.
  
  [asf @ 0x153cac0] max_analyze_duration reached
  
  [asf @ 0x153cac0] Estimating duration from bitrate, this may be inaccurate
  
  Input #0, asf, from 'http://admin:gafit@192.168.1.121/videostream.asf':
  
  Duration: N/A, start: 0.000000, bitrate: 32 kb/s
  
  Stream #0.0: Video: mjpeg, yuvj422p, 320x240, 100 tbr, 1k tbn, 1k tbc
  
  Stream #0.1: Audio: adpcm_ima_wav, 8000 Hz, 1 channels, s16, 32 kb/s
  
  Incompatible pixel format 'yuvj422p' for codec 'mpeg1video', auto-selecting format 'yuv420p'
  
  [buffer @ 0x153ec80] w:320 h:240 pixfmt:yuvj422p
  
  [avsink @ 0x1544820] auto-inserting filter 'auto-inserted scaler 0' between the filter 'src' and the filter 'out'
  
  [scale @ 0x1543460] w:320 h:240 fmt:yuvj422p -> w:320 h:240 fmt:yuv420p flags:0x4
  
  [mp2 @ 0x1544aa0] Requested sampling rate unsupported using closest supported (16000)
  
  Mon Jan 13 20:13:50 2014 Feed '/tmp/feed1.ffm.ffm' stream number does not match registered feed
  
  Output #0, ffm, to 'http://localhost:80/feed1.ffm':
  
  Metadata:
  
  encoder         : Lavf53.21.0
  
  Stream #0.0: Video: mpeg1video, yuv420p, 320x240 [PAR 1:1 DAR 4:3], q=2-31, 200 kb/s, 1000k tbn, 60 tbc
  
  Stream #0.1: Audio: mp2, 16000 Hz, 1 channels, s16, 128 kb/s
  
  Stream mapping:
  
  Stream #0:0 -> #0:0 (mjpeg -> mpeg1video)
  
  Stream #0:1 -> #0:1 (adpcm_ima_wav -> mp2)
  
  Press ctrl-c to stop encoding
  
  Mon Jan 13 20:13:50 2014 127.0.0.1 - - [POST] "/feed1.ffm HTTP/1.1" 200 4096

  When I try to open this stream via VLC, using

  http://192.168.1.15/test.asf

  I get the following additional output

  Mon Jan 13 20:17:39 2014 192.168.1.6 - - [GET] "/test.asf HTTP/1.1" 200 115s dup=12210 drop=0    
  
  Mon Jan 13 20:17:39 2014 Codec for stream 0 does not use global headers but container format requires global headers
  
  Mon Jan 13 20:17:39 2014 Codec for stream 1 does not use global headers but container format requires global headers

  And I get nothing on VLC. I'm not quite sure what is going on or how to fix it, so any enlightning on this would be very welcome.

  Thank you all in advance !

• X264 : How to compile x264 with swscale support ?

  23 avril 2014, par user1884325

  Objective

  I am trying to build :

  • an x264 static library (.lib) with swscale support. I would like to use this library in a Visual Studio project where 24-bit RGB bitmap images are :

    1. Converted from RGB to YUV2
    2. The converted image is sent to the x264 encoder
    3. and the output of the encoder is streamed to a remote IP-endpoint via UDP.

  • an x264 executable (.exe) with swscale support. I would like to use the executable for the same purpose as described above. In another Visual Studio project, I will start the x264.exe up as a separate process and pipe bitmap data to the x264 process via its stdin and read out the encoded data from the process’s stdout.

  Problem

  I am having some trouble figuring out how to compile with swscale support. I need swscale support for both the executable and the library.

  Status

  So far I have downloaded the latest x264 source from the x264 website.

  I have installed MINGW on my machine and when I run ’configure’ and ’make’ I get the x264 static library - but without swscale support.

  I haven’t been able to find a detailed step-by-step guide on how to include swscale in the x264 library. The closest I’ve come to a description is this discussion :

  http://forum.doom9.org/showthread.php?t=165350

  So I downloaded libpack from :

  http://komisar.gin.by/mingw/index.html

  and extracted it to my harddrive :

  Then I executed ’make’ and ’configure’ (again) in my x264 directory :

  ./configure --extra-cflags="-I/m/somePath/libpack/libpack/libpack/include" --extra-ldflags="-L/m/somePath/libpack/libpack/libpack/lib"

  I have the following in the lib and include directory :

  

  

  When I execute the above ’configure’ I get :

  platform:      X86
  
  system:        WINDOWS
  
  cli:           yes
  
  libx264:       internal
  
  shared:        no
  
  static:        no
  
  asm:           yes
  
  interlaced:    yes
  
  avs:           avisynth
  
  lavf:          no
  
  ffms:          no
  
  mp4:           lsmash
  
  gpl:           yes
  
  thread:        win32
  
  opencl:        yes
  
  filters:       crop select_every
  
  debug:         no
  
  gprof:         no
  
  strip:         no
  
  PIC:           no
  
  bit depth:     8
  
  chroma format: all
  
  
  
  You can run 'make' or 'make fprofiled' now.
  
  bash.exe"-3.1$

  When I execute ’make’ I end up with this error :

  gcc.exe: error: unrecognized command line option '-fomit-frame-poin'
  
  gcc.exe: fatal error: no input files
  
  compilation terminated.
  
  make: *** [.depend] Error 1
  
  bash.exe"-3.1$

  Question
  What am I doing wrong ??