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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

  


• ffprobe to bitrate variable stopped working

  6 novembre 2023, par Bricktop

  I have a simple script to encode a video using the same bitrate as the original. I use ffprobe to fetch the bitrate like this :

  


  ffprobe "%file%" -v 0 -select_streams v:0 -show_entries stream=bit_rate -print_format compact=p=0:nokey=1 >%temp%\bitrate.txt


  


  However, while fixing a but in the script where I had an odd number of " marks, I suddenly ran into this problem with ffprobe :

  


  Argument ' -v 0 -select_streams v:0 -show_entries stream=bit_rate -print_format compact=p=0:nokey=1 >C:\Users\ADMINI~1\AppData\Local\Temp\bitrate.txt' provided as input filename, but 'D:\VIDEO\AMBIANCE\SCOPITONE\MUSIC TELEVISION\This Here - Calm - OFFICIAL VIDEO (1080p 25fps AV1-128kbit AAC).mp4' was already specified.


  


  I am trying to understand this, scanning insanely for yet another " or something in my code but can't figure it out. Here is the full code :

  


  :: write file to queue (first)
move /y "%~dpn0.txt" "%temp%\%~n0.tmp" >nul
echo "%~1" >"%~dpn0.txt"
type "%temp%\%~n0.tmp" >>"%~dpn0.txt"

:: desyncronize instances (todo: try support for adding 9 files at a time)
timeout /t %time:~9,1% /nobreak
:: if not first instance exit
tasklist /fi "imagename eq handbrakecli.exe" | find /i "handbrakecli" && exit
title Transcode

:: delegate queue
for /f "delims=" %%f in (%~dpn0.txt) do (
    set "name=%%~nf"
    set "file=%%~f"
    rem todo: if file has x264 or other video codec mentioned, change to x265
    set "code=%%~dpnf (x265 transcoded)%%~xf"
    call :transcode
)
echo all done!
exit /b

:transcode
title "%name%"
if not exist "%file%" echo %date% %time% source file missing %file% >>%~dpn0.log & goto cleanup
if exist "%code%" echo %date% %time% target file exists %file% >>%~dpn0.log & goto cleanup

:: determine appropriate bitrate (does not seem to work on .webm files, closing the script as a result)
%~dp0ffprobe "%file%" -v 0 -select_streams v:0 -show_entries stream=bit_rate -print_format compact=p=0:nokey=1 >%temp%\bitrate.txt
set /p bitrate=<%temp%\bitrate.txt
:: reduce to full kilobytes
set "bitrate=%bitrate:~0,-3%"
if not defined bitrate echo failed to fetch bitrate & echo %date% %time% no bitrate for %file% >>%~dpn0.log & exit /b
if %bitrate% gtr 7000 set bitrate=7000

:: transcode
%~dp0HandBrakeCLI -i "%file%" -o "%code%" --encoder x265_10bit --encoder-preset slow --encoder-profile main444-10 --vb %bitrate% --two-pass --turbo --audio 1-9 --aencoder copy --audio-copy-mask aac,ac3,mp2,mp3,opus --audio-fallback opus --ab 160 --drc 2.0

:: remove current file from queue, regardless
:cleanup
findstr /v /c:"%file%" "%~dpn0.txt" >"%temp%\%~n0.tmp"
move /y "%temp%\%~n0.tmp" "%~dpn0.txt"


  


  It appears that the set "file=%%~f" is the problem, somehow it shows up as set "file=D:\VIDEO\this video here.mp4" " where the last two characters " should not belong, and I don't know what to change to fix this.

  


  Every type of improvement to the script is very welcomed !

  


• ffmpeg how to set max_num_reorder_frames H264

  13 juin, par Vasil Yordanov

  Anyone know how can I set max_num_reorder_frames to 0 when I am encoding H264 video ?
You can find in the docs as uint8_t H264RawVUI::bitstream_restriction_flag

  


  PS. Based on the discussion in the comments. What I actually want to accomplish is to have all the frames written in the order in which they were encoded. My use-case is - I have 1000 images for example. I encode each one of them using the codec, but then when I investigate a little bit and check the actual packets in the H264 container, I see that I have cases when one frame is written twice (for example ... 1,2,3,3,4,5,6,7,7 ...) what I want is once I decode the the H264 container I want to get the same images which I encoded. Is that possible and how ?

  


  P.P.S : I don't think the g=1 works - giving some more code for reference. This is what I currently have :

  


  import numpy as np
import ffmpeg, subprocess, av

width, height, encoding_profile, pixel_format = 1280, 800, 'main', 'yuv420p'

# here I create 256 frames where each one has unique pixels all zeros, ones, twos and etc.
np_images = []
for i in range(256):
    np_image = i + np.zeros((height, width, 3), dtype=np.uint8)
    np_images.append(np_image)

print(f'number of numpy images: {len(np_images)}')

encoder = (ffmpeg
    .input('pipe:', format='rawvideo', pix_fmt='rgb24', s='{}x{}'.format(width, height))
    .output('pipe:', format='H264', pix_fmt=pixel_format, vcodec='libx264', profile='main', g=1)
    .run_async(pipe_stdin=True, pipe_stdout=True)
)

for timestamp, frame in enumerate(np_images):
    encoder.stdin.write(
        frame
        .astype(np.uint8)
        .tobytes()
    )

encoder.stdin.close()
output = encoder.stdout.read()
encoder.stdout.close()

# here I decode the encoded frames using PyAV
frame_decoder = av.CodecContext.create("h264", "r")
frame_decoder.thread_count = 0
frame_decoder.thread_type = 'NONE'
packets = frame_decoder.parse(output)
decoded_frames = []

for packet in packets:
    frame = frame_decoder.decode(packet)
    decoded_frames.extend(frame)

decoded_frames.extend(frame_decoder.decode())
print(f'number of decoded frames: {len(decoded_frames)}')
print('keyframe boolean mask')
print([e.key_frame for e in decoded_frames])

decoded_np_images = []

for frame in decoded_frames:
    decoded_np_images.append(np.array(frame.to_image()))

print(f'number of decoded numpy images: {len(decoded_np_images)}')

# here I check what the decoded frames contain (all zeros, ones, twos and etc.)
print([e[0,0,0].item() for e in decoded_np_images])


  


  the particular problem which I am facing is that in the output you can observe this :

  


  


  number of decoded numpy images : 255

  


  [0, 1, 2, 3, 3, 4, 5, 6, 8, 9, 10,
10, 11, 12, 13, 15, 16, 17, 17, 18, 19, 20, 22, 23, 24, 24, 25, 26,
27, 29, 30, 31, 31, 32, 33, 34, 36, 37, 38, 39, 39, 40, 41, 43, 44,
45, 46, 46, 47, 48, 50, 51, 52, 53, 53, 54, 55, 57, 58, 59, 60, 60,
61, 62, 64, 65, 66, 67, 67, 68, 69, 71, 72, 73, 74, 74, 75, 76, 78,
79, 80, 81, 81, 82, 83, 85, 86, 87, 88, 88, 89, 90, 91, 93, 94, 95,
95, 96, 97, 98, 100, 101, 102, 102, 103, 104, 105, 107, 108, 109, 109,
110, 111, 112, 114, 115, 116, 116, 117, 118, 119, 121, 122, 123, 123,
124, 125, 126, 128, 129, 130, 131, 131, 132, 133, 135, 136, 137, 138,
138, 139, 140, 142, 143, 144, 145, 145, 146, 147, 149, 150, 151, 152,
152, 153, 154, 156, 157, 158, 159, 159, 160, 161, 163, 164, 165, 166,
166, 167, 168, 170, 171, 172, 173, 173, 174, 175, 176, 178, 179, 180,
180, 181, 182, 183, 185, 186, 187, 187, 188, 189, 190, 192, 193, 194,
194, 195, 196, 197, 199, 200, 201, 201, 202, 203, 204, 206, 207, 208,
208, 209, 210, 211, 213, 214, 215, 216, 216, 217, 218, 220, 221, 222,
223, 223, 224, 225, 227, 228, 229, 230, 230, 231, 232, 234, 235, 236,
237, 237, 238, 239, 241, 242, 243, 244, 244, 245, 246, 248, 249, 250,
251, 251, 252, 253]

  


  


  I still have frames which are appearing twice (and respectively some are missing)