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  • ffmpeg posting to nginx hangs after 90 minutes

    22 octobre 2018, par Harnek Gulati

    I’m using a very simple program to push an ffmpeg stream from my raspberry pi camera to a nginx server. However, it fails after 90 minutes, with almost every single Raspberry Pi I use (I have this code on 12 Raspberry Pis).
    Here is my ffmpeg command :

    raspivid -o - -t 0 -w 640 -h 480 -fps 25 | ffmpeg -re -i - -vcodec copy -hls_time 4 -f hls -hls_list_size 5 -hls_wrap 5 -threads 0  -timeout 5000 -max_reload 20000 -method PUT http://{}:{}/live/{}

    And here is my configuration for nginx.conf :

    #user nobody;
    
load_module /usr/lib/nginx/modules/ndk_http_module.so;
    
load_module /usr/lib/nginx/modules/ngx_http_lua_module.so;
    

    
worker_processes auto;
    
env CONTROL_SERVER_IP;
    

    

    
#error_log /var/log/nginx/error.log;
    
error_log /dev/stdout info;
    
events {
    
    worker_connections 1024;
    
}
    

    
http {
    
    include     mime.types;
    
    default_type    application/octet-stream;
    
    access_log /dev/stdout;
    
    sendfile on;
    
    keepalive_requests 100000;
    
    keepalive_timeout 30;
    

    
  client_max_body_size 10M;
    
  server {
    
    listen 80;
    
    server_name localhost;
    

    
    location /live {
    
      root /var/static;
    
            client_body_temp_path   /var/static/client_temp;
    

    
            dav_methods PUT;
    
            create_full_put_path on;
    
            dav_access user:rw  group:r     all:r;
    

    
            types {
    
                application/vnd.apple.mpegurl m3u8;
    
            }
    

    
            # Disable Cache
    
            add_header Cache-Control no-cache;
    
            include cors.conf;
    
  }
    
  }
    
}
    

    
daemon off;

    If anyone can help me, I would deeply appreciate it. I’ve been pulling my hair out trying to figure out this bug. On the raspberry pi, it hangs on this :

    [hls @ 0x25a8c90] Opening 'http://192.168.8.1:80/live/c35d8935-0a31-4d22-b71a-ad3f4f1d47631.ts' for writing
    
frame=105609 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105518 speed=1.02xframe=105623 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105532 speed=1.02xframe=105636 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105545 speed=1.02xframe=105648 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105557 speed=1.02xframe=105662 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105571 speed=1.02xframe=105674 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105583 speed=1.02xframe=105688 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105597 speed=1.02xframe=105700 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105609 speed=1.02xframe=105714 fps= 25 q=-1.0 q=1.6 size=N/A time=01:11:40.00 bitrate=N/A dup=0 drop=105623 speed=1.02x[hls muxer @ 0x25a9200] Duplicated segment filename detected: c35d8935-0a31-4d22-b71a-ad3f4f1d47631.ts
    
[hls @ 0x25a8c90] Opening 'http://192.168.8.1:80/live/c35d8935-0a31-4d22-b71a-ad3f4f1d47632.ts' for writing

    And on the nginx logs, I get :

    192.168.10.242 - - [21/Oct/2018:22:34:01 +0000] "PUT /live/c35d8935-0a31-4d22-b71a-ad3f4f1d4763.m3u8 HTTP/1.1" 204 0 "-" "Lavf/57.83.100"
    
192.168.10.242 - - [21/Oct/2018:22:35:04 +0000] "PUT /live/c35d8935-0a31-4d22-b71a-ad3f4f1d47633.ts HTTP/1.1" 408 0 "-" "Lavf/57.83.100"

    I need to set up a way to either a) keep consistent connections longer than 90 minutes or b) detect when the 408 error happens and stop it from hanging.

    FFMPEG version : 3.4.1

  • PHP code not proceeding to the line after exec ffmpeg

    5 avril 2014, par Sel

    I have this PHP snippet that I call through curl, in order to perform an ffmpeg encoding. I also have another line afterwards that marks this as having been done, using a database. I want this to trigger after the exec finished, which would imply that the file has finished encoding. However, the database is never actually changed (works if I try commenting out the exec) and I can't get a good gauge of when the file is done encoding. The database only changes when you run ANOTHER request on top of this one. Code below.

    $ID=$_POST['ID'];
    

    
exec("/usr/local/bin/ffmpeg -i stockvideos/Intro2.m2v -f image2 -loop 1 -r 24 -i temppics/Intro2pic".$ID.".png -filter_complex \
    
'[1:v]fade=in:st=0:d=1:alpha=1,fade=out:st=3:d=1:alpha=1[2wm];
    
[0:v][wm]overlay=10:10[outv]' \
    
-map [outv] -q 0 tempvideos/Intro2-".$ID.".m2v  >> 1.log 2>&1");
    

    
$query_CreditVideoDone  =sprintf("Update Messages SET CreditTitlesDone=%s WHERE ID=%s", GetSQLValueString(1, "boolean"),GetSQLValueString($ID, "text"));
    

    
$result = mysql_query($query_CreditVideoDone, $MMixer) or die(mysql_error());

    UPDATE : When I check the log (>2), it seems FFMPEG continues running even after the process is finished.

    frame= 4 fps=0.0 q=0.0 size= 103kB time=00:00:00.06 bitrate=12619.2kbits/s
    frame= 12 fps= 12 q=0.0 size= 562kB time=00:00:00.33 bitrate=13806.6kbits/s
    frame= 21 fps= 14 q=0.0 size= 1339kB time=00:00:00.63 bitrate=17307.1kbits/s
    frame= 29 fps= 14 q=0.0 size= 1682kB time=00:00:00.90 bitrate=15291.9kbits/s
    frame= 38 fps= 15 q=0.0 size= 2081kB time=00:00:01.20 bitrate=14192.5kbits/s
    frame= 51 fps= 16 q=0.0 size= 2677kB time=00:00:01.63 bitrate=13415.4kbits/s
    frame= 58 fps= 16 q=0.0 size= 2939kB time=00:00:01.86 bitrate=12884.0kbits/s
    frame= 66 fps= 16 q=0.0 size= 3338kB time=00:00:02.13 bitrate=12803.8kbits/s
    frame= 74 fps= 16 q=0.0 size= 3724kB time=00:00:02.40 bitrate=12700.2kbits/s
    frame= 82 fps= 16 q=0.0 size= 4012kB time=00:00:02.66 bitrate=12311.5kbits/s
    frame= 92 fps= 16 q=0.0 size= 4483kB time=00:00:03.00 bitrate=12229.7kbits/s
    frame= 102 fps= 16 q=0.0 size= 4951kB time=00:00:03.33 bitrate=12154.5kbits/s
    frame= 111 fps= 16 q=0.0 size= 5384kB time=00:00:03.63 bitrate=12126.7kbits/s
    frame= 118 fps= 16 q=0.0 size= 5622kB time=00:00:03.87 bitrate=11900.0kbits/s
    frame= 127 fps= 16 q=0.0 size= 6042kB time=00:00:04.17 bitrate=11867.2kbits/s
    frame= 138 fps= 16 q=0.0 size= 6550kB time=00:00:04.53 bitrate=11823.8kbits/s
    frame= 149 fps= 17 q=0.0 size= 7043kB time=00:00:04.90 bitrate=11763.8kbits/s
    frame= 157 fps= 17 q=0.0 size= 7338kB time=00:00:05.17 bitrate=11622.8kbits/s
    frame= 167 fps= 17 q=0.0 size= 7807kB time=00:00:05.50 bitrate=11616.5kbits/s
    frame= 176 fps= 17 q=0.0 size= 8215kB time=00:00:05.80 bitrate=11591.7kbits/s
    frame= 186 fps= 17 q=0.0 size= 8667kB time=00:00:06.13 bitrate=11564.4kbits/s
    frame= 196 fps= 17 q=0.0 size= 9254kB time=00:00:06.47 bitrate=11710.7kbits/s
    frame= 203 fps= 17 q=0.0 size= 9794kB time=00:00:06.70 bitrate=11962.6kbits/s
    frame= 211 fps= 17 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=3
    frame= 211 fps= 16 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=13
    frame= 211 fps= 15 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=28
    frame= 211 fps= 15 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=41
    frame= 211 fps= 14 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=57
    frame= 211 fps= 14 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=73
    frame= 211 fps= 13 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=89
    frame= 211 fps= 13 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=98
    frame= 211 fps= 13 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=107
    frame= 211 fps= 12 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=115
    frame= 211 fps= 12 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=126
    frame= 211 fps= 11 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=138
    frame= 211 fps= 11 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=153
    frame= 211 fps= 11 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=169
    frame= 211 fps= 11 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=183
    frame= 211 fps= 10 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=194
    frame= 211 fps= 10 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=203
    frame= 211 fps=9.8 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=214
    frame= 211 fps=9.6 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=224
    frame= 211 fps=9.4 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=233
    frame= 211 fps=9.1 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=242
    frame= 211 fps=8.9 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=251
    frame= 211 fps=8.7 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=260
    frame= 211 fps=8.6 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=269
    frame= 211 fps=8.4 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=278
    frame= 211 fps=8.2 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=289
    frame= 211 fps=8.0 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=303
    frame= 211 fps=7.9 q=0.0 size= 10135kB time=00:00:06.97 bitrate=11905.1kbits/s dup=0 drop=315....

    And so on until it times out on the server. Any idea why this happens ? It seems to prevent execution from anything after it. Redirecting to dev/null doesn't help either - there is no error output of course but the process is still hanging the same way.

    Any help would be appreciated. Thanks !

    Thanks !

    Sel

  • avformat/hls : use av_dict_iterate

    26 novembre 2022, par Marvin Scholz
    avformat/hls : use av_dict_iterate

    And constify oldentry too while at it.
    

    Signed-off-by : Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
    • [DH] libavformat/hls.c

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