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Sur d’autres sites (10383)

  • I have a problem with node js rtsp streaming server

    11 décembre 2022, par sangeun jo

    I made rtsp cctv streaming server with nodjs.

    


    But it is not stable.

    


    Some cctvs works well but others are not.

    


    First I thought rtsp url has its own problem, but it may not.
Because the url worked well in vlc player.

    


    I don't know what I'm missing.

    


    below is my whole code related cctv streaming.

    


    

    

    var express = require('express');
var router = express.Router();
var kill  = require('tree-kill');
var fs = require('fs');
var path = require('path');

var ffmpeg = require('fluent-ffmpeg');
var ffmpegInstaller = require('@ffmpeg-installer/ffmpeg');
ffmpeg.setFfmpegPath(ffmpegInstaller.path)

var streams = {};

//start cctv
router.post('/', (req, res) => {

  var cname = req.body.cname;
  var url = req.body.url;

  //if there is same cctv name
  if(streams[cname] != null) {
    res.status(409).send("duplicate name");
    return;
  };

  //create dir as given cctv name;
  mkdir(cname);

  stream = ffmpeg(url).addOptions([
    '-hls_time 5', 
    '-hls_list_size 10',
    '-hls_flags delete_segments',
    '-f hls' 
  ]).output('./public/video/' + cname + '/'  + cname + '.m3u8'); //save path

  console.log("Start cctv streaming");
  stream.on('error', function(err, stdout, stderr) {
    console.log("cctv has been stoped");
    console.log(err);
  });

  stream.run(); 

  streams[cname] = stream;
  res.status(201).send("OK");
});

//bring cctv pid by cctv name
router.get('/:cname', (req, res) => {
  var cname = req.params.cname;

  if(streams[cname] == null) {
    res.status(404).send("not found such a cctv");
    return;
  };

  var pid = streams[cname].ffmpegProc.pid;
  res.send({"pid": pid});
});


//stop cctv by pid 
router.delete('/:cname', async (req, res) => {
  var cname = req.params.cname;
  
  //no cctv
  if(streams[cname] == null) {
    res.status(404).send("not found such a cctv");
    return;
  };


  //del dir
  var filePath = './public/video/' +  cname;
  fs.rmdir(filePath, { recursive: true }, (err) => {
    if (err) {
      console.log(err)
    } else {
      console.log('dir is deleted.');
    }
  });

  //var pid = streams[cname].ffmpegProc.pid;
  streams[cname].kill();
  res.status(204).send("OK");
});

const mkdir = (name) => {
  var root = './public/video/';
  if(!fs.existsSync(root + name)){
    fs.mkdirSync(root + name);
  }
}

    


    


    



    And this is ts file save folder.
cctv1 dosen't work well but cctv2 works well.
(cctv1 started first but created less ts file than cctv2.)
enter image description here

    


  • FFmpeg concat in android

    13 avril 2018, par fvn

    I have trying to concat multiple videos (mp4 or mov)on Android Studio using FFMPEG. I have managed to get vidoes in an arrayList and their path like this :

    private List<string> getSelectedVideos(Intent data) {
    

    
        List<string> result = new ArrayList&lt;>();
    

    
        ClipData clipData = data.getClipData();
    
        if(clipData != null) {
    
            for(int i=0;icode></string></string>

    I have looked online on how to concat vidoes using FFMPEG https://trac.ffmpeg.org/wiki/Concatenate

    However I’m not sure how to do it using Android studio. Any help would be much appreciated.

  • Merging two audio files in Android using FFMPEG

    3 août 2016, par Jeremy

    I’m working on an application that takes two audio files, and merges them into the respected channels. The way they are being equalized are not as good as I had hoped, So I want to adjust the volume of each file during the mixing phase. I’ve seen a couple of examples online, like this, this, and [this][3].. but none of them are working for me. Can someone direct me in the right direction with this ? Much appreciation !

    I am using this library to execute : https://github.com/WritingMinds/ffmpeg-android-java

    Here is my code (EDIT)

    String files = "-i " + mVoiceFile.getAbsolutePath() + " -i " + mBeatFile.getAbsolutePath();
    
String filter = "-filter_complex [0:a]volume=0.99[a1];[1:a]volume=0.3[a2][a1][a2]amerge=inputs=2,volume=1.3,pan=stereo|c0code>

    enter code here

    and here are my errors from running.

    04-06 12:17:34.079 30975-30975/me.rapchat.rapchat E/Studio Process: WARNING: linker: /data/user/0/me.rapchat.rapchat/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
    
04-06 12:17:34.306 30975-30975/me.rapchat.rapchat E/Studio Process: ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
04-06 12:17:34.306 30975-30975/me.rapchat.rapchat E/Studio Process:   built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
04-06 12:17:34.306 30975-30975/me.rapchat.rapchat E/Studio Process:   configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
04-06 12:17:34.307 30975-30975/me.rapchat.rapchat E/Studio Process:   libavutil      54.  7.100 / 54.  7.100
    
04-06 12:17:34.307 30975-30975/me.rapchat.rapchat E/Studio Process:   libavcodec     56.  1.100 / 56.  1.100
    
04-06 12:17:34.307 30975-30975/me.rapchat.rapchat E/Studio Process:   libavformat    56.  4.101 / 56.  4.101
    
04-06 12:17:34.307 30975-30975/me.rapchat.rapchat E/Studio Process:   libavdevice    56.  0.100 / 56.  0.100
    
04-06 12:17:34.308 30975-30975/me.rapchat.rapchat E/Studio Process:   libavfilter     5.  1.100 /  5.  1.100
    
04-06 12:17:34.308 30975-30975/me.rapchat.rapchat E/Studio Process:   libswscale      3.  0.100 /  3.  0.100
    
04-06 12:17:34.308 30975-30975/me.rapchat.rapchat E/Studio Process:   libswresample   1.  1.100 /  1.  1.100
    
04-06 12:17:34.308 30975-30975/me.rapchat.rapchat E/Studio Process:   libpostproc    53.  0.100 / 53.  0.100
    
04-06 12:17:34.372 30975-30975/me.rapchat.rapchat E/Studio Process: Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/data/user/0/me.rapchat.rapchat/cache/recording.m4a':
    
04-06 12:17:34.373 30975-30975/me.rapchat.rapchat E/Studio Process:   Metadata:
    
04-06 12:17:34.373 30975-30975/me.rapchat.rapchat E/Studio Process:     major_brand     : mp42
    
04-06 12:17:34.373 30975-30975/me.rapchat.rapchat E/Studio Process:     minor_version   : 0
    
04-06 12:17:34.374 30975-30975/me.rapchat.rapchat E/Studio Process:     compatible_brands: isommp42
    
04-06 12:17:34.374 30975-30975/me.rapchat.rapchat E/Studio Process:     creation_time   : 2016-04-06 19:17:33
    
04-06 12:17:34.374 30975-30975/me.rapchat.rapchat E/Studio Process:   Duration: 00:00:01.56, start: 0.000000, bitrate: 144 kb/s
    
04-06 12:17:34.375 30975-30975/me.rapchat.rapchat E/Studio Process:     Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 128 kb/s (default)
    
04-06 12:17:34.375 30975-30975/me.rapchat.rapchat E/Studio Process:     Metadata:
    
04-06 12:17:34.375 30975-30975/me.rapchat.rapchat E/Studio Process:       creation_time   : 2016-04-06 19:17:33
    
04-06 12:17:34.375 30975-30975/me.rapchat.rapchat E/Studio Process:       handler_name    : SoundHandle
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process: Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/data/user/0/me.rapchat.rapchat/cache/beats/d3c37d60-ed50-4c00-b454-4e399a7858ff.m4a':
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:   Metadata:
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     major_brand     : mp42
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     minor_version   : 0
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     compatible_brands: mp42isom
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     creation_time   : 1993-11-24 14:46:42
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     encoder         : Max 0.9.1
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     iTunSMPB        : 00000000 00000840 000003c0 000000000035dc00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:     date            : 2015
    
04-06 12:17:34.401 30975-30975/me.rapchat.rapchat E/Studio Process:   Duration: 00:01:20.04, start: 0.047891, bitrate: 129 kb/s
    
04-06 12:17:34.402 30975-30975/me.rapchat.rapchat E/Studio Process:     Stream #1:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
    
04-06 12:17:34.402 30975-30975/me.rapchat.rapchat E/Studio Process:     Metadata:
    
04-06 12:17:34.402 30975-30975/me.rapchat.rapchat E/Studio Process:       creation_time   : 1993-11-24 14:46:42
    
04-06 12:17:34.404 30975-30975/me.rapchat.rapchat E/Studio Process: [NULL @ 0xb5e4fc00] Unable to find a suitable output format for '[a1][a2]amerge,pan=stereo|c0me.rapchat.rapchat E/Studio Process: [a1][a2]amerge,pan=stereo|c0me.rapchat.rapchat E/Studio Status Failed: WARNING: linker: /data/user/0/me.rapchat.rapchat/files/ffmpeg has text relocations. This is wasting memory and prevents security hardening. Please fix.
    
                                                                          ffmpeg version n2.4.2 Copyright (c) 2000-2014 the FFmpeg developers
    
                                                                            built on Oct  7 2014 15:08:46 with gcc 4.8 (GCC)
    
                                                                            configuration: --target-os=linux --cross-prefix=/home/sb/Source-Code/ffmpeg-android/toolchain-android/bin/arm-linux-androideabi- --arch=arm --cpu=cortex-a8 --enable-runtime-cpudetect --sysroot=/home/sb/Source-Code/ffmpeg-android/toolchain-android/sysroot --enable-pic --enable-libx264 --enable-libass --enable-libfreetype --enable-libfribidi --enable-fontconfig --enable-pthreads --disable-debug --disable-ffserver --enable-version3 --enable-hardcoded-tables --disable-ffplay --disable-ffprobe --enable-gpl --enable-yasm --disable-doc --disable-shared --enable-static --pkg-config=/home/sb/Source-Code/ffmpeg-android/ffmpeg-pkg-config --prefix=/home/sb/Source-Code/ffmpeg-android/build/armeabi-v7a-neon --extra-cflags='-I/home/sb/Source-Code/ffmpeg-android/toolchain-android/include -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fno-strict-overflow -fstack-protector-all -mfpu=neon' --extra-ldflags='-L/home/sb/Source-Code/ffmpeg-android/toolchain-android/lib -Wl,-z,relro -Wl,-z,now -pie' --extra-libs='-lpng -lexpat -lm' --extra-cxxflags=
    
                                                                            libavutil      54.  7.100 / 54.  7.100
    
                                                                            libavcodec     56.  1.100 / 56.  1.100
    
                                                                            libavformat    56.  4.101 / 56.  4.101
    
                                                                            libavdevice    56.  0.100 / 56.  0.100
    
                                                                            libavfilter     5.  1.100 /  5.  1.100
    
                                                                            libswscale      3.  0.100 /  3.  0.100
    
                                                                            libswresample   1.  1.100 /  1.  1.100
    
                                                                            libpostproc    53.  0.100 / 53.  0.100
    
                                                                          Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '/data/user/0/me.rapchat.rapchat/cache/recording.m4a':
    
                                                                            Metadata:
    
                                                                              major_brand     : mp42
    
                                                                              minor_version   : 0
    
                                                                              compatible_brands: isommp42
    
                                                                              creation_time   : 2016-04-06 19:17:33
    
                                                                            Duration: 00:00:01.56, start: 0.000000, bitrate: 144 kb/s
    
                                                                              Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, mono, fltp, 128 kb/s (default)
    
                                                                              Metadata:
    
                                                                                creation_time   : 2016-04-06 19:17:33
    
                                                                                handler_name    : SoundHandle
    
                                                                          Input #1, mov,mp4,m4a,3gp,3g2,mj2, from '/data/user/0/me.rapchat.rapchat/cache/beats/d3c37d60-ed50-4c00-b454-4e399a7858ff.m4a':
    
                                                                            Metadata:
    
                                                                              major_brand     : mp42
    
                                                                              minor_version   : 0
    
                                                                              compatible_brands: mp42isom
    
                                                                              creation_time   : 1993-11-24 14:46:42
    
                                                                              encoder         : Max 0.9.1
    
                                                                              iTunSMPB        : 00000000 00000840 000003c0 000000000035dc00 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
    
                                                                              date            : 2015
    
                                                                            Duration: 00:01:20.04, start: 0.047891, bitrate: 129 kb/s
    
                                                                              Stream #1:0(eng): Audio: aac (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 127 kb/s (default)
    
                                                                              Metadata:
    
                                                                                creation_time   : 1993-11-24 14:46:42
    
                                                                          [NULL @ 0xb5e4fc00] Unable to find a suitable output format for '[a1][a2]amerge,pan=stereo|c0code>

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