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• lavfi/vulkan : fix static descriptor set updating

  16 novembre 2021, par Lynne

  lavfi/vulkan : fix static descriptor set updating
  Update all descriptor sets for all queues if a descriptor set hasn't
  
  been initialized yet.
  

  • [DH] libavfilter/vulkan.c
  • [DH] libavfilter/vulkan.h

• ffmpeg stream rc buffer underflow

  5 août 2015, par finder2

  At the moment I’m setting up a screen-sharing platform with the opensource tool ffmpeg / ffserver. At the beginning of the sharing everything is fine. After around 1 1/2 minutes I get the following exception in the output.

  [flv @ 0x3a47aa0] rc buffer underflow
[flv @ 0x3a47aa0] max bitrate possibly too small or try trellis with large lmax or increase qmax

  I’ve tried to set an verry high lmax & qmax but this hasn’t changed any thing.Additionally I’ve tried to increase the bitrate , the buffersize and the bitrate.

  I use the following command with ffmpeg :

  ffmpeg -f x11grab -s 1920x1080 -r 20 -i :0.0+1680,0 "http://localserver.de:8080/input1.ffm"

  The config file for the ffserver is :

  HTTPPort 8080
  
  HTTPBindAddress 0.0.0.0
  
  MaxHTTPConnections 2000
  
  MaxClients 1000
  
  MaxBandwidth 50000
  
  CustomLog -
  
  
  
  <feed>
  
    File /var/ffserver/input1.ffm
  
    FileMaxSize 20M
  
    ACL allow *FROM IP*  *TO IP* 
  
  </feed>
  
  
  
  <stream>
  
    Feed input1.ffm
  
    Format swf
  
    VideoCodec flv
  
    VideoFrameRate 20
  
    VideoBufferSize 8000
  
    VideoBitRate 250
  
    VideoQMin 1
  
    VideoQMax 5
  
    VideoSize 640x400
  
    PreRoll 0
  
    StartSendOnKey
  
    NoAudio
  
  </stream>

  An other streaming format would also be a possibility but I didn’t know which are possible for live-streaming.

  Thanks in advanced

  efinder2

• FFMPEG unable to find a suitable option format for 'reconnect' error

  14 août 2021, par Fayeze Salih

  import discord
from discord.ext import commands
from discord.ext.commands.core import command
import youtube_dl

class Music(commands.Cog):
    def __init__(self, client):
        self.client = client
    
    @commands.command()
    async def play(self, ctx, url):
        ctx.voice_client.stop()
        FFMPEG_OPTIONS = {'before_options': 'reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5', 'options': '-vn'}
        YDL_OPTIONS = {'format': 'bestaudio'}
        vc = ctx.voice_client

        with youtube_dl.YoutubeDL(YDL_OPTIONS) as ydl:
            info = ydl.extract_info(url, download=False)
            url2 = info['formats'][0]['url']
            source = await discord.FFmpegOpusAudio.from_probe(url2, **FFMPEG_OPTIONS)
            vc.play(source)

def setup(client):
    client.add_cog(music(client))


  


  This code for my music bot returns the error,

  


  


  [NULL @ 0000018dc5d76e40] Unable to find a suitable output format for 'reconnect'
reconnect : Invalid argument.

  


  


  Why ? I have tried making sure that I am using hyphens but that hasn't fixed the issue.