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• ffmpeg : Invalid argument, [NULL @ 0x22e2240] Unable to find a suitable output format for 'ffmpeg'

  14 février 2016, par user3788285

  I am trying to convert video from images wit the music in background

  command is working fine in the terminal but while using into php it’s giving error :

  this is the command i am trying :

  /usr/local/bin/ffmpeg ffmpeg -framerate 1/5 -i image%01d.png -i song.mp3 -c:v libx264 -c:a aac -strict experimental -b:a 192k  -r 30 -pix_fmt yuv420p -t 10 output.mp4 2>&1
  
  
  
  array(21) {
  
  
  
    [0]=>
  
    string(83) "ffmpeg version git-2016-02-13-588e2e3 Copyright (c) 2000-2016 the FFmpeg developers"
  
  
  
    [1]=>
  
    string(56) "  built with gcc 4.4.7 (GCC) 20120313 (Red Hat 4.4.7-16)"
  
  
  
    [2]=>
  
    string(369) "  configuration: --enable-shared --extra-libs=-ldl --enable-version3 --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libvpx --enable-libfaac --enable-libmp3lame --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --disable-ffplay --enable-gpl --enable-postproc --enable-nonfree --enable-avfilter --enable-pthreads --extra-cflags=-fPIC"
  
  
  
    [3]=>
  
    string(40) "  libavutil      55. 17.100 / 55. 17.100"
  
  
  
    [4]=>
  
    string(40) "  libavcodec     57. 24.102 / 57. 24.102"
  
  
  
    [5]=>
  
    string(40) "  libavformat    57. 25.100 / 57. 25.100"
  
  
  
    [6]=>
  
    string(40) "  libavdevice    57.  0.101 / 57.  0.101"
  
  
  
    [7]=>
  
    string(40) "  libavfilter     6. 31.100 /  6. 31.100"
  
  
  
    [8]=>
  
    string(40) "  libswscale      4.  0.100 /  4.  0.100"
  
  
  
    [9]=>
  
    string(40) "  libswresample   2.  0.101 /  2.  0.101"
  
  
  
    [10]=>
  
    string(40) "  libpostproc    54.  0.100 / 54.  0.100"
  
  
  
    [11]=>
  
    string(39) "Input #0, image2, from 'image%01d.png':"
  
  
  
    [12]=>
  
    string(54) "  Duration: 00:00:10.00, start: 0.000000, bitrate: N/A"
  
  
  
    [13]=>
  
    string(101) "    Stream #0:0: Video: png, gray(pc), 1080x494 [SAR 72:72 DAR 540:247], 0.20 tbr, 0.20 tbn, 0.20 tbc"
  
  
  
    [14]=>
  
    string(48) "[mp3 @ 0x22dfb00] Skipping 0 bytes of junk at 0."
  
  
  
    [15]=>
  
    string(74) "[mp3 @ 0x22dfb00] Estimating duration from bitrate, this may be inaccurate"
  
  
  
    [16]=>
  
    string(31) "Input #1, mp3, from 'song.mp3':"
  
  
  
    [17]=>
  
    string(59) "  Duration: 00:01:45.80, start: 0.000000, bitrate: 127 kb/s"
  
  
  
    [18]=>
  
    string(61) "    Stream #1:0: Audio: mp3, 44100 Hz, stereo, s16p, 128 kb/s"
  
  
  
    [19]=>
  
    string(71) "[NULL @ 0x22e2240] Unable to find a suitable output format for 'ffmpeg'"
  
  
  
    [20]=>
  
    string(24) "ffmpeg: Invalid argument"
  
  
  
  }
  
  int(1)

• ffmpeg was not found. How do i fix this ?

  18 novembre 2024, par Ice Cr3aM

  So im trying to make a simple discord music bot, which is halted right now due to this problem. The issue is that everytime i try to play a music through youtube_dl library, it pops up with the prompt : "ffmpeg was not found".

  


  This is the main.py

  


  
import discord
import os
import asyncio
import youtube_dl
import ffmpeg

token = 'NzY5NTUzNDcwNjAwMTE4Mjgz.G3Dzce.XYKNAyLfBPg0ug5XPKssV-9EvsFjBlCMeM43ag'

client = discord.Client()

block_words = ['foo', 'bar', 'baz', 'quux', 'http://', 'https://']

voice_clients = {}
yt_dl_opts = {'format': 'bestaudio/best'}
ytdl = youtube_dl.YoutubeDL(yt_dl_opts)

ffmpeg_options = {'options': '-vn'}


@client.event
async def on_ready():
    print(f'Bot has logged in as {client.user}')

@client.event
async def on_message(msg):
    if msg.author != client.user:
        if msg.content.lower().startswith('?hi'):
            await msg.channel.send(f'Hi, {msg.author.display_name}')

@client.event
async def on_message(msg):
    if msg.author != client.user:
        for text in block_words:
            if "OTR" not in str(msg.author.roles) and text in str(msg.content.lower()):
                await msg.delete()
                return
        print("Not Deleting...")

@client.event
async def on_message(msg):
    if msg.content.startswith('?play'):
        try:
            url = msg.content.split()[1]

            voice_client = await msg.author.voice.channel.connect()
            voice_clients[voice_client.guild.id] = voice_client

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

            song = data['url']
            player = discord.FFmpegPCMAudio(song, **ffmpeg_options)
        except Exception as err:
            print(err)
client.run(token)



  


• Java IO Streaming Large Files Video/Data/Sound [on hold]

  2 mars 2015, par James Relic

  I have a series of questions listed below regarding java.io streaming and sockets.

  1. What is a video streaming server ? How does it differ from a standard web server.

  2. Remember Napster/Morpheus etc ? They’re P2P programs, did they allow users to stream data to each other ? Is there a difference between streaming and downloading (on the clients end) ?

  3. How would you go about writing a generic program in java that streams anything to the client , word docs, mp3 files, videos files ? Would you use serverlets for this purpose ?

  4. If all you are doing is sending files video/sound/docs/text etc from one computer to another would you need to use specialist APIs like FFMPEG-Java, Red5 ?

  5. if you are sending video or sound as a file supposedly you don’t need to worry about encoding or decoding ?

  6. Do I need to worry about RTSP if im streaming videos as a file ? Rather then wanting them to play live on the client end ?

  I understand my questions sound very untechnical and basic, but I’m a little confused on this whole streaming topic and want to know the best way to stream large files of all types using the Java EE/Spring platform.