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• Cannot open connection tcp ://localhost:1935 when to set up custom RTMP stream server

  8 janvier 2021, par showkey

  My simple network is as following :

  


  192.168.31.52 is my local pc 
192.168.31.251 is an ip camera.


  


  I can open the stream rtsp://192.168.31.251/cam/realmonitor?channel=1&subtype=0 with SMPlayer.
  
Build my nginx for customizing RTMP stream this way.

  


  sudo apt update
sudo apt install build-essential git
sudo apt install libpcre3-dev libssl-dev zlib1g-dev 
git clone https://github.com/arut/nginx-rtmp-module.git
git clone https://github.com/nginx/nginx.git
cd nginx
./auto/configure --add-module=../nginx-rtmp-module
make
sudo make install


  


  Set config file for nginx :

  


  sudo vim /usr/local/nginx/conf/nginx.conf
rtmp { 
    server { 
        listen 1935; 
        application live { 
            live on; 
            interleave on;
 
            hls on; 
            hls_path /tmp/hls; 
            hls_fragment 15s; 
        } 
    } 
} 


  


  Then set permission for nginx :

  


  mkdir /tmp/hls
sudo chmod -R 755  /tmp/hls
sudo chown -R www-data:www-data  /tmp/hls


  


  Edit index.html in /tmp/hls.

  


  <p>test for nginx</p>&#xA;

  


  Both 127.0.0.1/index.html and 192.168.31.52/index.html can open the /tmp/hls/index.html.

  


  Now open port 1935 on my network :

  


  sudo firewall-cmd --zone=public --add-port=1935/tcp --permanent
sudo firewall-cmd --reload 
sudo firewall-cmd --list-ports | grep 1935
1935/tcp


  


  Start nginx :

  


  sudo systemctl start nginx


  


  Up stream the rtsp stream from ip camera—192.168.31.251 to local pc —192.168.31.52.

  


  input="rtsp://192.168.31.251/cam/realmonitor?channel=1&subtype=0"
output="rtmp://192.168.31.52:1935/live/sample"
ffmpeg -i $input -acodec aac -strict experimental -ar 44100 -ac 2 -b:a 96k -r 25 -b:v 500k -s 640*480 -f flv $output


  


  It encounter the following errors :

  


  [tcp @ 0x59fb700] Connection to tcp://192.168.31.52:1935 failed: Connection refused
[rtmp @ 0x59fc5c0] Cannot open connection tcp://192.168.31.52:1935
rtmp://192.168.31.52:1935/live/sample: Connection refused


  


  To keep the issue simple,i replace $input with a mp4 file in local pc,same error info.
  
How can fix it ?
  
Ping my machine :

  


  ping 192.168.31.52
PING 192.168.31.52 (192.168.31.52): 56 data bytes
64 bytes from 192.168.31.52: icmp_seq=0 ttl=64 time=0.108 ms
64 bytes from 192.168.31.52: icmp_seq=1 ttl=64 time=0.107 ms
64 bytes from 192.168.31.52: icmp_seq=2 ttl=64 time=0.111 ms


  


  Why the port 1935 not opened,i had restarted nginx after setting ?

  


  sudo lsof -i:1935
#nothing in the output
netstat -ltn
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State      
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:51413           0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:1080          0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:8123          0.0.0.0:*               LISTEN     
tcp        0      0 127.0.0.1:8384          0.0.0.0:*               LISTEN     
tcp        0      0 0.0.0.0:9091            0.0.0.0:*               LISTEN     
tcp6       0      0 :::3306                 :::*                    LISTEN     
tcp6       0      0 :::80                   :::*                    LISTEN     
tcp6       0      0 :::22000                :::*                    LISTEN     
tcp6       0      0 :::51413                :::*                    LISTEN     
tcp6       0      0 :::21                   :::*                    LISTEN     
tcp6       0      0 :::22                   :::*                    LISTEN     
tcp6       0      0 ::1:25                  :::*                    LISTEN     
tcp6       0      0 :::2681                 :::*                    LISTEN  


  


  Firewall command can't work :

  


  sudo firewall-cmd --zone=public --add-port=1935/tcp --permanent
sudo firewall-cmd --reload 


  


  My nginx version :

  


  sudo nginx -v
nginx version: nginx/1.10.3


  


• Evolution #4105 : Constante ou config ?

  28 février 2018, par b b

  Hop, j’ai déjà discuté de ça avec marcimat, à savoir envisager une extension de la balise config afin d’éviter ce genre de construction :

  #VAL{_EM_PREVISU_HAUTEUR}|defined|?{#EVAL{_EM_PREVISU_HAUTEUR},#CONFIG{emballe_medias/styles/hauteur_img_previsu,425}} cf https://zone.spip.org/trac/spip-zone/browser/_plugins_/emballe_medias/emballe_medias/trunk/prive/inc-previsu_doc_audio.html#L1

  On pourrait prévoir que la balise config cherche en premier (avant la valeur de config) l’éventuelle valeur d’un define de la même chaîne.

• Could not find tag for codec h264 in stream #2 when trim video and add watermark, music background

  13 août 2020, par Nguyễn Trọng

  I'm doing cut video into chunks, then join them and add watermark and background music with the command below.

  


  "[-y, -i, /storage/emulated/0/WhatsApp/Media/WhatsApp Video/VID-20200726-WA0154.mp4, -i, /storage/emulated/0/FXMotion/.cache/.watermark/logo_watermark.png, -stream_loop, -1, -i, /storage/emulated/0/WhatsApp/Media/WhatsApp Documents/DripReport_-_Skechers_(Lyrics)(MP3_160K).mp3, -filter_complex, [1:v]scale=640/4:-1[logo1];[0:v]trim=0:2.483,setpts=PTS-STARTPTS[v1];[0:v]trim=2.483:7.45,setpts=2.0*(PTS-STARTPTS)[v2];[0:v]trim=7.45:9.933,setpts=PTS-STARTPTS[v3];[v1][v2][v3]concat=n=3:v=1[video];[video][logo1]overlay=main_w-overlay_w-10:main_h-overlay_h-10[vw], -map, [vw], -map, 2, -c:v, libx264, -crf, 23, -preset, veryfast, -shortest, /storage/emulated/0/FXMotion/FXMotion-200810e.mp4, -hide_banner]"


  


  But when running I get the following error :

  


  
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/storage/emulated/0/WhatsApp/Media/WhatsApp Video/VID-20200726-WA0154.mp4':\n  
Metadata:
major_brand     : mp4v
    minor_version   : 0
    compatible_brands: mp4vmp42isom\n  Duration: 00:00:09.93, start: 0.000000, bitrate: 2080 kb/s
    Stream #0:0(und): Video: h264 (avc1 / 0x31637661), yuv420p(tv, unknown/bt470bg/unknown), 640x352, 2078 kb/s, 30 fps, 30 tbr, 90k tbn, 180k tbc (default)
    Metadata:\n      rotate          : 270
    Side data:
      displaymatrix: rotation of 90.00 degrees\nInput #1, png_pipe, from '/storage/emulated/0/FXMotion/.cache/.watermark/logo_watermark.png':
  Duration: N/A, bitrate: N/A
    Stream #1:0: Video: png, rgba(pc), 335x51, 25 tbr, 25 tbn, 25 tbc
Input #2, mp3, from '/storage/emulated/0/WhatsApp/Media/WhatsApp Documents/DripReport_-_Skechers_(Lyrics)(MP3_160K).mp3':
  Metadata:
    encoder         : Lavf57.56.101
    title           : DripReport - Skechers (Lyrics)
    artist          : DripReport
    album           : DripReport\n  Duration: 00:01:46.06, start: 0.011021, bitrate: 167 kb/s
    Stream #2:0: Audio: mp3, 48000 Hz, stereo, fltp, 160 kb/s
    Metadata:
      encoder         : Lavc57.64
    Stream #2:1: Video: png, rgb24(pc), 400x225, 90k tbr, 90k tbn, 90k tbc (attached pic)
    Metadata:
      title           : attached picture
      comment         : Cover (front)
Stream mapping:
  Stream #0:0 (h264) -> trim (graph 0)
  Stream #0:0 (h264) -> trim (graph 0)
  Stream #0:0 (h264) -> trim (graph 0)
  Stream #1:0 (png) -> scale (graph 0)
  overlay (graph 0) -> Stream #0:0 (libx264)
  Stream #2:0 -> #0:1 (mp3 (mp3float) -> aac (native))
  Stream #2:1 -> #0:2 (png (native) -> h264 (libx264))
Press [q] to stop, [?] for help\n[graph 0 input from stream 1:0 @ 0x6f73832bc0] sws_param option is deprecated and ignored
[graph 0 input from stream 0:0 @ 0x6f73832c80] sws_param option is deprecated and ignored\n[graph 0 input from stream 0:0 @ 0x6f73833400] sws_param option is deprecated and ignored\n[graph 0 input from stream 0:0 @ 0x6f73833580] sws_param option is deprecated and ignored
[libx264 @ 0x6f44476300] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x6f44476300] profile High, level 3.0, 4:2:0, 8-bit
[libx264 @ 0x6f44476300] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=0 threads=12 lookahead_threads=4 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=1 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[graph 2 input from stream 2:1 @ 0x6ed501c380] sws_param option is deprecated and ignored
[mp4 @ 0x6ed53b9a00] Frame rate very high for a muxer not efficiently supporting it.
Please consider specifying a lower framerate, a different muxer or -vsync 2\n[libx264 @ 0x6f445de500] MB rate (33750000) > level limit (16711680)
[libx264 @ 0x6f445de500] using cpu capabilities: ARMv8 NEON
[libx264 @ 0x6f445de500] profile High 4:4:4 Predictive, level 6.2, 4:4:4, 8-bit\n[libx264 @ 0x6f445de500] 264 - core 159 - H.264/MPEG-4 AVC codec - Copyleft 2003-2019 - http://www.videolan.org/x264.html - options: cabac=1 ref=1 deblock=1:0:0 analyse=0x3:0x113 me=hex subme=2 psy=1 psy_rd=1.00:0.00 mixed_ref=0 me_range=16 chroma_me=1 trellis=0 8x8dct=1 cqm=0 deadzone=21,11 fast_pskip=1 chroma_qp_offset=6 threads=7 lookahead_threads=1 sliced_threads=0 nr=0 decimate=1 interlaced=0 bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=1 b_bias=0 direct=1 weightb=1 open_gop=0 weightp=1 keyint=250 keyint_min=25 scenecut=40 intra_refresh=0 rc_lookahead=10 rc=crf mbtree=1 crf=23.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 ip_ratio=1.40 aq=1:1.00
[mp4 @ 0x6ed53b9a00] Could not find tag for codec h264 in stream #2, codec not currently supported in container\nCould not write header for output file #0 (incorrect codec parameters ?): Invalid argument
Error initializing output stream 0:1 --[aac @ 0x6f44478600] Qavg: nan\nConversion failed!",
 
 


  


  i run ffmpeg on :

  


  Device
"os_version" : "10"
"model" : "SM-A217F"
"brand" : "samsung"

  


  


  How to fix it ? thank advance !