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• "FFmpeg : Error not transitioning to the next song in Discord Bot's queue."

  1er avril 2024, par noober

  I have 3 modules, but I'm sure the error occurs within this module, and here is the entire code within that module :

  


  import asyncio
import discord
from discord import FFmpegOpusAudio, Embed
import os

async def handle_help(message):
    embed = discord.Embed(
        title="Danh sách lệnh cho Bé Mèo",
        description="Dưới đây là các lệnh mà chủ nhân có thể bắt Bé Mèo phục vụ:",
        color=discord.Color.blue()
    )
    embed.add_field(name="!play", value="Phát một bài hát từ YouTube.", inline=False)
    embed.add_field(name="!pause", value="Tạm dừng bài hát đang phát.", inline=False)
    embed.add_field(name="!resume", value="Tiếp tục bài hát đang bị tạm dừng.", inline=False)
    embed.add_field(name="!skip", value="Chuyển đến bài hát tiếp theo trong danh sách chờ.", inline=False)
    embed.add_field(name="!stop", value="Dừng phát nhạc và cho phép Bé Mèo đi ngủ tiếp.", inline=False)
    # Thêm các lệnh khác theo cùng mẫu trên
    await message.channel.send(embed=embed)

class Song:
    def __init__(self, title, player):
        self.title = title  # Lưu trữ tiêu đề bài hát ở đây
        self.player = player

# Thêm đối tượng Song vào hàng đợi
def add_song_to_queue(guild_id, queues, song):
    queues.setdefault(guild_id, []).append(song)

async def handle_list(message, queues):
    log_file_path = "C:\\Bot Music 2\\song_log.txt"
    if os.path.exists(log_file_path):
        with open(log_file_path, "r", encoding="utf-8") as f:
            song_list = f.readlines()

        if song_list:
            embed = discord.Embed(
                title="Danh sách bài hát",
                description="Danh sách các bài hát đã phát:",
                color=discord.Color.blue()
            )

            for i, song in enumerate(song_list, start=1):
                if i == 1:
                    song = "- Đang phát: " + song.strip()
                embed.add_field(name=f"Bài hát {i}", value=song, inline=False)

            await message.channel.send(embed=embed)
        else:
            await message.channel.send("Hiện không có dữ liệu trong file log.")
    else:
        await message.channel.send("File log không tồn tại.")

async def handle_commands(message, client, queues, voice_clients, yt_dl_options, ytdl, ffmpeg_options=None, guild_id=None, data=None):
    # Nếu không có ffmpeg_options, sử dụng các thiết lập mặc định
    if ffmpeg_options is None:
        ffmpeg_options = {
            'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5',
            'options': '-vn -filter:a "volume=0.25"'
        }
    
    # Khởi tạo voice_client
    if guild_id is None:
        guild_id = message.guild.id

    if guild_id in voice_clients:
        voice_client = voice_clients[guild_id]
    else:
        voice_client = None

    # Xử lý lệnh !play
    if message.content.startswith("!play"):
        try:
            # Kiểm tra xem người gửi tin nhắn có đang ở trong kênh voice không
            voice_channel = message.author.voice.channel
            # Kiểm tra xem bot có đang ở trong kênh voice của guild không
            if voice_client and voice_client.is_connected():
                await voice_client.move_to(voice_channel)
            else:
                voice_client = await voice_channel.connect()
                voice_clients[guild_id] = voice_client
        except Exception as e:
            print(e)

        try:
            query = ' '.join(message.content.split()[1:])
            if query.startswith('http'):
                url = query
            else:
                query = 'ytsearch:' + query
                loop = asyncio.get_event_loop()
                data = await loop.run_in_executor(None, lambda: ytdl.extract_info(query, download=False))
                if not data:
                    raise ValueError("Không có dữ liệu trả về từ YouTube.")
                url = data['entries'][0]['url']

            player = FFmpegOpusAudio(url, **ffmpeg_options)
            # Lấy thông tin của bài hát mới đang được yêu cầu
            title = data['entries'][0]['title']
            duration = data['entries'][0]['duration']
            creator = data['entries'][0]['creator'] if 'creator' in data['entries'][0] else "Unknown"
            requester = message.author.nick if message.author.nick else message.author.name
                    
            # Tạo embed để thông báo thông tin bài hát mới
            embed = discord.Embed(
                title="Thông tin bài hát mới",
                description=f"**Bài hát:** *{title}*\n**Thời lượng:** *{duration}*\n**Tác giả:** *{creator}*\n**Người yêu cầu:** *{requester}*",
                color=discord.Color.green()
            )
            await message.channel.send(embed=embed)
            
            # Sau khi lấy thông tin của bài hát diễn ra, gọi hàm log_song_title với title của bài hát
            # Ví dụ:
            title = data['entries'][0]['title']
            await log_song_title(title)

            # Thêm vào danh sách chờ nếu có bài hát đang phát
            if voice_client.is_playing():
                queues.setdefault(guild_id, []).append(player)
            else:
                voice_client.play(player)
                
        except Exception as e:
            print(e)
            
    if message.content.startswith("!link"):
            try:
                voice_client = await message.author.voice.channel.connect()
                voice_clients[voice_client.guild.id] = voice_client
            except Exception as e:
                print(e)

            try:
                url = message.content.split()[1]

                loop = asyncio.get_event_loop()
                data = await loop.run_in_executor(None, lambda: ytdl.extract_info(url, download=False))

                song = data['url']
                player = discord.FFmpegOpusAudio(song, **ffmpeg_options)

                voice_clients[message.guild.id].play(player)
            except Exception as e:
                print(e)

    # Xử lý lệnh !queue
    elif message.content.startswith("!queue"):
        queue = queues.get(guild_id, [])
        if queue:
            await message.channel.send("Danh sách chờ:")
            for index, item in enumerate(queue, 1):
                await message.channel.send(f"{index}. {item.title}")
        else:
            await message.channel.send("Không có bài hát nào trong danh sách chờ.")

    # Xử lý lệnh !skip
    elif message.content.startswith("!skip"):
        try:
            if voice_client and voice_client.is_playing():
                voice_client.stop()
                await play_next_song(guild_id, queues, voice_client, skip=True)
                await remove_first_line_from_log()
        except Exception as e:
            print(e)

    # Xử lý các lệnh như !pause, !resume, !stop
    elif message.content.startswith("!pause"):
        try:
            if voice_client and voice_client.is_playing():
                voice_client.pause()
        except Exception as e:
            print(e)

    elif message.content.startswith("!resume"):
        try:
            if voice_client and not voice_client.is_playing():
                voice_client.resume()
        except Exception as e:
            print(e)

    elif message.content.startswith("!stop"):
        try:
            if voice_client:
                voice_client.stop()
                await voice_client.disconnect()
                del voice_clients[guild_id]  # Xóa voice_client sau khi dừng
        except Exception as e:
            print(e)

async def log_song_title(title):
    log_file_path = "C:\\Bot Music 2\\song_log.txt"
    try:
        # Kiểm tra xem tệp tin log đã tồn tại chưa
        if not os.path.exists(log_file_path):
            # Nếu chưa tồn tại, tạo tệp tin mới và ghi title vào tệp tin đó
            with open(log_file_path, 'w', encoding='utf-8') as file:
                file.write(title + '\n')
        else:
            # Nếu tệp tin log đã tồn tại, mở tệp tin và chèn title vào cuối tệp tin
            with open(log_file_path, 'a', encoding='utf-8') as file:
                file.write(title + '\n')
    except Exception as e:
        print(f"Error logging song title: {e}")

async def remove_first_line_from_log():
    log_file_path = "C:\\Bot Music 2\\song_log.txt"
    try:
        with open(log_file_path, "r", encoding="utf-8") as f:
            lines = f.readlines()
        # Xóa dòng đầu tiên trong list lines
        lines = lines[1:]
        with open(log_file_path, "w", encoding="utf-8") as f:
            for line in lines:
                f.write(line)
    except Exception as e:
        print(f"Error removing first line from log: {e}")
        
async def clear_log_file():
    log_file_path = "C:\\Bot Music 2\\song_log.txt"
    try:
        with open(log_file_path, "w", encoding="utf-8") as f:
            f.truncate(0)
    except Exception as e:
        print(f"Error clearing log file: {e}")


async def play_next_song(guild_id, queues, voice_client, skip=False):
    queue = queues.get(guild_id, [])
    if queue:
        player = queue.pop(0)
        voice_client.play(player, after=lambda e: asyncio.run_coroutine_threadsafe(play_next_song(guild_id, queues, voice_client, skip=False), voice_client.loop))
        if skip:
            return
        else:
            await remove_first_line_from_log()  # Xóa dòng đầu tiên trong file log
    elif skip:
        await remove_first_line_from_log()  # Xóa dòng đầu tiên trong file log
        await voice_client.disconnect()
        del voice_client[guild_id]  # Xóa voice_client sau khi dừng
    else:
        await clear_log_file()  # Xóa dòng đầu tiên trong file log
        await voice_client.disconnect()
        del voice_client[guild_id]  # Xóa voice_client sau khi dừng


  


  I have tried asking ChatGPT, Gemini, or Bing, and they always lead me into a loop of errors that cannot be resolved. This error only occurs when the song naturally finishes playing due to its duration. If the song is playing and I use the command !skip, the next song in the queue will play and function normally. I noticed that it seems like if a song ends naturally, the song queue is also cleared immediately. I hope someone can help me with this

  


• Webcam - Publishing and Archiving on line video files

  11 novembre 2014, par Emmanuel Brunet

  I want to publish an ASF live video stream over the internet and also copy the backup to disk (without sound to spare disk space)

  I’m running debian 7.7 wheezy / ffmpeg 2.2 and ffserver 1.2.9.

  ---

  The IP camera video streams specifications are

  Input #0, asf, from 'http://account:password@webcam/videostream.asf':
  
    Duration: N/A, start: 0.000000, bitrate: 32 kb/s
  
      Stream #0:0: Video: mjpeg (MJPG / 0x47504A4D), yuvj422p(pc), 640x480, 50 tbr, 1k tbn, 1k tbc
  
      Stream #0:1: Audio: adpcm_ima_wav ([17][0][0][0] / 0x0011), 8000 Hz, 1 channels, s16p, 32 kb/s

  To achieve this I have set up a /etc/ffserver.conf configuration

  Port 11000
  
  
  
  BindAddress 0.0.0.0
  
  
  
  MaxClients 1000
  
  
  
  MaxBandwidth 40000
  
  
  
  CustomLog -
  
  
  
  <feed>
  
  File /tmp/feed1.ffm
  
  FileMaxSize 200K
  
  ACL allow localhost
  
  ACL allow 192.168.1.1 192.168.255.255
  
  
  
  </feed>
  
  
  
  
  
  # --------------------------- ASF ----------------------
  
  
  
  <stream>
  
  Feed feed1.ffm
  
  Format asf
  
  
  
  AVOptionVideo flags +global_header
  
  VideoFrameRate 25
  
  VideoSize 640x480
  
  VideoBitRate 1024
  
  VideoBufferSize 1024
  
  StartSendOnKey
  
  NoAudio
  
  </stream>
  
  
  
  # ------------ Server status -------------------
  
  
  
  <stream>
  
  Format status
  
  
  
  # Only allow local people to get the status
  
  ACL allow localhost
  
  ACL allow 192.168.0.0 192.168.255.255
  
  
  
  #FaviconURL http://pond1.gladstonefamily.net:8080/favicon.ico
  
  </stream>
  
  
  
  
  
  # ---------- Redirect --------------------
  
  
  
  <redirect>
  
  URL http://www.ffmpeg.org/
  
  </redirect>

  To connect the feed I run

  to start the ffserver

  ffserver -f /etc/ffserver.conf

  to collect the stream from the camera

  ffmpeg -i http://account:password@webcam/videostream.asf -c:v libx264 -an http://localhost:11000/feed1.ffm

  and all works like a charm.

  ---

  My questions are :

  • How in the same time having the stream saved to disk ?

  (as done by the command)

  ffmpeg -i http://account:password@webcam/videostream.asf -preset veryfast -t 00:60:00 -b:v 512K -c:v libx264 -pix_fmt yuv420p -an /var/backup/videos/YYY-MM-DD.mp4

  Note that the output .mp4 file names should rotate to get multiple timestamped output archives

  • How can I published video over RTSP ?

  I’ve found examples on the internet but none worked for me

  Thanks in advance

  regards

• avdevice/xcbgrab : don't assume xserver endianness

  31 janvier 2021, par Andriy Gelman

  avdevice/xcbgrab : don't assume xserver endianness
  xserver defines the endianness of the grabbed images. Use this information
  
  to set the correct pixel format.
  This also fixes format selection in configuration depth=32/bpp=32 with
  
  xserver on a little endian machine. Before the patch, the big endian
  
  layout 0RGB was always selected which is incorrect because BGR0 should
  
  be used. RGB24 was also incorrectly assumed (but this format was removed
  
  in xserver 1.20).
  The big-endian settings can be tested using docker+qemu from a little-endian
  
  machine :
  $ docker run —rm —privileged multiarch/qemu-user-static —reset -p yes
  
  $ docker run —rm -it -v /tmp :/tmp powerpc64/debian /bin/bash
  In docker container
  
  $ apt-get update
  
  $ apt-get install xvfb
  
  $ apt-get install x11-apps
  To test AV_PIX_FMT_0RGB32
  
  $ Xvfb :2 -screen 0 720x480x24 &
  
  $ export DISPLAY=:2
  
  $ xclock -geometry 720x480 -bg green #test different colors
  On your host machine grab the frames using the following
  
  command. View output to check that colors are rendered correctly
  
  $ ./ffmpeg -y -f x11grab -i :2.0 -codec:v mpeg2video out.mp4
  Other pixel formats can be tested by modifying how Xvfb is started in the docker
  
  container :
  AV_PIX_FMT_RGB565
  
  $ Xvfb :2 -screen 0 720x480x16
  AV_PIX_FMT_RGB555
  
  $ Xvfb :2 -screen 0 720x480x15
  AV_PIX_FMT_BGR24 / AV_PIX_FMT_RGB24
  
  This is difficult to test because bpp=24 support was removed in xserver 1.20
  
  https://lists.x.org/archives/xorg-devel/2018-February/056175.html?hmsr=joyk.com&utm_source=joyk.com&utm_medium=referral
  
  However, I was able to run previous version of Xvfb (with some
  
  modifications to force 24bpp) to check that images are rendered correctly.
  Reviewed-by : Carl Eugen Hoyos <ceffmpeg@gmail.com>
  
  Signed-off-by : Andriy Gelman <andriy.gelman@gmail.com>
  

  • [DH] libavdevice/xcbgrab.c