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• heroku discord.py bot doesn't play music

  30 août 2022, par bon ho

  I'm making music bot with discord.py and using heroku. bot is playing music my localhost but heroku host is not playing music.

  


  I found what cause a bug.
It working nicely in heroku-20, but not working in heroku-22 stack.

  


  How can I use heroku-22 stack without error ?
What can I do ?

  


  I'm sorry my english is bad.

  


  my code :

  


  import youtube_dl
import discord
from discord import app_commands,Interaction
import asyncio
import os

class MyClient(discord.Client):
  async def on_ready(self):
    await self.wait_until_ready()
    await tree.sync()
    print(f"login at {self.user}")
        
intents= discord.Intents.all()
client = MyClient(intents=intents)
tree = app_commands.CommandTree(client)

youtube_dl.utils.bug_reports_message = lambda: ''
ytdl_format_options = {
    'format': 'bestaudio/best',
    'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
    'restrictfilenames': True,
    'noplaylist': True,
    'nocheckcertificate': True,
    'ignoreerrors': False,
    'logtostderr': False,
    'quiet': True,
    'no_warnings': True,
    'default_search': 'auto',
    'source_address': '0.0.0.0',  # bind to ipv4 since ipv6 addresses cause issues sometimes
}

ffmpeg_options = {
    'options': '-vn',
}
ytdl = youtube_dl.YoutubeDL(ytdl_format_options)
class YTDLSource(discord.PCMVolumeTransformer):
    def __init__(self, source, *, data, volume=0.5):
        super().__init__(source, volume)

        self.data = data

        self.title = data.get('title')
        self.url = data.get('url')

    @classmethod
    async def from_url(cls, url, *, loop=None, stream=True):
        loop = loop or asyncio.get_event_loop()
        data = await loop.run_in_executor(None, lambda: ytdl.extract_info(url, download=not stream))
        if 'entries' in data:
            # take first item from a playlist
            data=data['entries'][0]
        filename = data['url'] if stream else ytdl.prepare_filename(data)
        return cls(discord.FFmpegPCMAudio(filename, **ffmpeg_options), data=data)
queue={}
@tree.command(name="play", description="play music")
async def playmusic(interaction:Interaction,url_title:str,playfirst:bool=False):
  await interaction.response.send_message("I'm looking for music!!")
  guild=str(interaction.guild.id)
  try:
    queue[guild]
  except KeyError:
    queue[guild]=[]
  if interaction.user.voice is None:
    await interaction.edit_original_response(content="you must join any voice channel")
  else:
    voice_client: discord.VoiceClient = discord.utils.get(client.voice_clients, guild=interaction.guild)
    if voice_client == None:
      await interaction.user.voice.channel.connect()
      voice_client: discord.VoiceClient = discord.utils.get(client.voice_clients, guild=interaction.guild)
    player = await YTDLSource.from_url(url_title, loop=None)
    if playfirst and len(queue[guild])>1:
      queue[guild].insert(1,player)
    else:
      queue[guild].append(player)
    if not voice_client.is_playing():
      voice_client.play(player,after=None)
      await interaction.edit_original_response(content=f"{player.title} playing!!")
    else:
      await interaction.edit_original_response(content=f"{player.title} enqueued!")
    await asyncio.sleep(7)
    await interaction.delete_original_response()

client.run(token)


  


• FFmpeg conversion to Photo-JPEG is blocky [duplicate]

  26 mai 2017, par Richard210363

  This question already has an answer here :

  • ffmpeg generate higher quality images for MJPEG encoding
    
    1 answer
    

  I am converting .mp4 files to .mov with the Photo-JPEG codec to use in After Effects to reduce render times.

  I have looked up the FFmpeg commands to do this and come up with :

  ffmpeg -i tower-bridge.mp4 -an -pix_fmt yuvj420p -vcodec mjpeg -f mov -y tower-bridge.mov 

  This works but when I look at the output video it is quite blocky ; like a mosaic.

  During the conversion I get this message :

  [swscaler @ 0000000008c97fe0] deprecated pixel format used, make sure you did set range correctly

  Research on-line suggests I can ignore this message.

  What can I do to improve the output quality ?

  MediaInfo report on Input file :

  Complete name : F :\london-tower-bridge.mp4
  Format : MPEG-4
  Format profile : Base Media
  Codec ID : isom (isom/avc1/mp42)
  File size : 18.7 MiB
  Duration : 13 s 625 ms
  Overall bit rate : 11.5 Mb/s
  

  ID : 1
  Format : AVC
  Format/Info : Advanced Video Codec
  Format profile : Baseline@L4
  Format settings, CABAC : No
  Format settings, ReFrames : 3 frames
  Codec ID : avc1
  Codec ID/Info : Advanced Video Coding
  Duration : 13 s 625 ms
  Bit rate : 11.5 Mb/s
  Maximum bit rate : 26.8 Mb/s
  Width : 1 920 pixels
  Height : 1 080 pixels
  Display aspect ratio : 16:9
  Frame rate mode : Constant
  Frame rate : 24.000 FPS
  Color space : YUV
  Chroma subsampling : 4:2:0
  Bit depth : 8 bits
  Scan type : Progressive
  Bits/(Pixel*Frame) : 0.231
  Stream size : 18.7 MiB (100%)
  Writing library : Zencoder Video Encoding System
  

  MediaInfo report on Output file :

  Complete name : F :\london-tower-bridge.mov
  Format : MPEG-4
  Format profile : QuickTime
  Codec ID : qt 0000.02 (qt )
  File size : 16.1 MiB
  Duration : 13 s 625 ms
  Overall bit rate mode : Variable
  Overall bit rate : 9 912 kb/s
  Writing application : Lavf57.72.101
  

  ID : 1
  Format : JPEG
  Codec ID : jpeg
  Duration : 13 s 625 ms
  Bit rate mode : Variable
  Bit rate : 9 910 kb/s
  Width : 1 920 pixels
  Height : 1 080 pixels
  Display aspect ratio : 16:9
  Frame rate mode : Constant
  Frame rate : 24.000 FPS
  Color space : YUV
  Chroma subsampling : 4:2:0
  Bit depth : 8 bits
  Scan type : Progressive
  Compression mode : Lossy
  Bits/(Pixel*Frame) : 0.199
  Stream size : 16.1 MiB (100%)
  Language : English
  

• How to force specific AVInputFormat in code (FFMPEG) ?

  18 février 2020, par kugipark

  ++Plaease understand that maybe some words or sentences could not be correct English.++

  I’m novice programmer and developing a video player app for Android which can play 5ch .avi video from http. It based on ffplay.c in FFMPEG libarary.

  Currently I have 2 problems for this below. It has occured only in android devices.

  ---

  1) Too much time taken for detecting format.

  • opening and finding stream info takes more than a minute when I trying to open 5ch video source whereas normal .mp4 (h264) source open almost immediately.

  2) Demuxing is too slow when it comes to large size video.

  • If the resolution of video getting larger, then displaying frame rate getting slower even though there are enough memory, network and CPU resources physically.

  To resolve my problem, I tried to force the format and decoders but I couldn’t found some information for specifying the input source in code level.
  The official doc site only refers to a sentence about those parameters like "If non-NULL, this parameter forces a specific input format. Otherwise the format is autodetected.". So I don’t have any clues how to set the number of streams, decoders, decoders’ private options, and etc. (And also which parameters should I manage.) If someone knows how to set the options(like AVDictionary), and pass to the av functions, please let me know an exmple. The source contains 2 video streams, 1 audio stream, and 2 more extra streams (for custom data like gps). The stream information of video is below. I printed it manually, and these are auto-detected information.

      ---------- File format information ----------
  
  flags=2097152
  
  video_codec_id=0 (NONE)
  
  audio_codec_id=0 (NONE)
  
  ctx_flags=0
  
  data_codec_id=0 (NONE)
  
  format_whitelist=(null)
  
  iformat=0xa19d0d2c
  
  ---------- Stream information ----------
  
  stream 1 of 5:
  
  ----- common ----------
  
  bit_rate: 11383235
  
  bits_per_coded_sample: 24
  
  bits_per_raw_sample: 0
  
  codec_id: 0x1C (H264)
  
  codec_tag: 875967048
  
  extradata_size: 0
  
  level: -99
  
  profile: -99
  
  sample_rate: 0
  
  ----- Video Stream ----------
  
  chroma_location: 0
  
  color_primaries: 2
  
  color_space: 2
  
  color_trc: 2
  
  field_order: 0
  
  format: -1 (NONE)
  
  height: 1080
  
  width: 1920
  
  sample_aspect_ratio.den: 1
  
  sample_aspect_ratio.num: 0
  
  video_delay: 0
  
  ----------------------------------------
  
  stream 2 of 5:
  
  ----- common ----------
  
  bit_rate: 6185438
  
  bits_per_coded_sample: 24
  
  bits_per_raw_sample: 0
  
  codec_id: 0x1C (H264)
  
  codec_tag: 875967048
  
  extradata_size: 0
  
  level: -99
  
  profile: -99
  
  sample_rate: 0
  
  ----- Video Stream ----------
  
  chroma_location: 0
  
  color_primaries: 2
  
  color_space: 2
  
  color_trc: 2
  
  field_order: 0
  
  format: -1 (NONE)
  
  height: 720
  
  width: 1280
  
  sample_aspect_ratio.den: 1
  
  sample_aspect_ratio.num: 0
  
  video_delay: 0
  
  ----------------------------------------
  
  stream 3 of 5:
  
  ----- common ----------
  
  bit_rate: 352800
  
  bits_per_coded_sample: 16
  
  bits_per_raw_sample: 0
  
  codec_id: 0x10000 (PCM_S16LE)
  
  codec_tag: 1
  
  extradata_size: 0
  
  level: -99
  
  profile: -99
  
  sample_rate: 22050
  
  ----- Audio Stream ----------
  
  block_align: 2
  
  channels: 1
  
  channel_layout: 0
  
  color_range: 0
  
  frame_size: 0
  
  initial_padding: 0
  
  seek_preroll: 0
  
  trailing_padding: 0
  
  ----------------------------------------
  
  stream 4 of 5:
  
  ----- common ----------
  
  bit_rate: 15625
  
  bits_per_coded_sample: 0
  
  bits_per_raw_sample: 0
  
  codec_id: 0x0 (NONE)
  
  codec_tag: 0
  
  extradata_size: 0
  
  level: -99
  
  profile: -99
  
  sample_rate: 0
  
  ----- Subtitle Stream ----------
  
  ----------------------------------------
  
  stream 5 of 5:
  
  ----- common ----------
  
  bit_rate: 33862
  
  bits_per_coded_sample: 0
  
  bits_per_raw_sample: 0
  
  codec_id: 0x0 (NONE)
  
  codec_tag: 0
  
  extradata_size: 0
  
  level: -99
  
  profile: -99
  
  sample_rate: 0
  
  ----- Subtitle Stream ----------