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  • FFmpeg youtube streaming crash

    27 septembre 2020, par UkaszYTPolak

    I'm using vps with Ubuntu 18.04.1 LTS

    


    And i want to create stream 24/7 on youtube.

    


    Script :

    


    #! /bin/bash
 
VBR="1500k"
FPS="29"
QUAL="ultrafast"
YOUTUBE_URL="rtmp://a.rtmp.youtube.com/live2"
YOUTUBE_KEY="xxxx-xxxx-xxxx-xxxx-xxxx"
VIDEO_SOURCE="undefajnd.mp4"
AUDIO_SOURCE="marynaura.mp3"
AUDIO_ENCODER="aac"
 
ffmpeg \
 -stream_loop -1 \
 -re \
 -r $FPS \
 -i "$VIDEO_SOURCE" \
 -thread_queue_size 512 \
 -i "$AUDIO_SOURCE" \
 -c:v libx264 -tune stillimage -pix_fmt yuv420p -preset $QUAL -r $FPS -g $(($FPS *2)) -b:v $VBR \
 -c:a $AUDIO_ENCODER -threads 6 -ar 44100 -b:a 128k -bufsize 512k -pix_fmt yuv420p \
 -f flv \
 -flvflags no_duration_filesize  $YOUTUBE_URL/$YOUTUBE_KEY


    


    Stream is in loop,but "Crash" on video end
Video - from terminal

    


    sorry for my English D :

    


  • Streaming ffmpeg output directly to dispatcher

    4 novembre 2020, par PP_Hyperion

    I'm trying to play music with my discord bot and I want to use ffmpeg to specify the start of the music, which works perfectly fine, but I can only download the music with ffmpeg and then play it. I want ffmpeg to process it and then also stream it to play the music.

    



    Here is the code I use to download and then play the music :

    



    message.member.voiceChannel.join().then((con, err) => {
    ytPlay.search_video(op, (id) => {
        let stream = ytdl("https://www.youtube.com/watch?v=" + id, {
            filter: "audioonly"
        });
        let audio = fs.createWriteStream('opStream.divx');

        proc = new ffmpeg({
            source: stream
        })
        proc.withAudioCodec('libmp3lame')
            .toFormat('mp3')
            .seekInput(35)
            .output(audio)
            .run();
        proc.on('end', function() {
            let input = fs.createReadStream('opStream.divx');
            console.log('finished');
            guild.queue.push(id);
            guild.isPlaying = true;
            guild.dispatcher = con.playStream(input);
        });
    });
})


    



    Is it possible to do what I want and if yes how ?

    


  • Streaming video over named PIPE with limited "channel" bandwidth

    13 mars 2019, par fmagno

    I have a video container vid.mp4 that I want to play with ffplay through a named PIPE and be able to tweak the maximum bandwidth allowed by the "channel". Follows what I did :

    1. Create a named PIPE :

    mkfifo pipe_in

    2. Send the container to the pipe with a limited bandwidth (150kB/s) with the help of pipe viewer pv :

    cat vid.mp4 | pv -L 150k > pipe_in

    3. Play the video with ffplay :

    ffplay cache:./pipe_in

    My expectation : To watch the video come through immediately but slowly given the bandwidth constraint.

    What really happens : The video begins to show at normal speed only when command 2. finishes running.

    Thank you in advance !

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