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• FFMpeg Split MP4 Clip Without Re-Encode | Out of Sync

  28 février 2018, par sword1st

  I want to split mp4 clip for certain seconds but i don’t want to re-encode cuz my cpu isn’t so good it’s take so much time. When i try this code with encode :

  ffmpeg -i clip.mp4 -ss 00:00:25 -to 00:01:20 cutted.mp4

  it’s working perfectly but i don’t want to re-encode. So i try this code :

  ffmpeg -i clip.mp4 -ss 00:00:25 -to 00:01:20 -c copy cutted.mp4

  it’s playing perfectly in media player with a couple blank seconds at first it’s no problem i can cut these blank seconds when i editing it. But real problem is i can’t edit that clip in premiere pro cuz it’s out of sync. What can i do for fix it ? Any ffmpeg feature for that ? Thanks for all help !

  Here ffmpeg output :

  C:\Users\winuser>ffmpeg -i "D:\clips\clip_4579\clip.mp4" -ss 00:03
  
  :00 -to 00:03:30 -c copy "D:\clips\clip_4579\renderless1.mp4"
  
  ffmpeg version N-90155-g28924f4b48 Copyright (c) 2000-2018 the FFmpeg developers
  
  
  
    built with gcc 7.3.0 (GCC)
  
    configuration: --enable-gpl --enable-version3 --enable-sdl2 --enable-bzlib --e
  
  nable-fontconfig --enable-gnutls --enable-iconv --enable-libass --enable-libblur
  
  ay --enable-libfreetype --enable-libmp3lame --enable-libopencore-amrnb --enable-
  
  libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-libshine --enab
  
  le-libsnappy --enable-libsoxr --enable-libtheora --enable-libtwolame --enable-li
  
  bvpx --enable-libwavpack --enable-libwebp --enable-libx264 --enable-libx265 --en
  
  able-libxml2 --enable-libzimg --enable-lzma --enable-zlib --enable-gmp --enable-
  
  libvidstab --enable-libvorbis --enable-libvo-amrwbenc --enable-libmysofa --enabl
  
  e-libspeex --enable-libxvid --enable-libmfx --enable-amf --enable-cuda --enable-
  
  cuvid --enable-d3d11va --enable-nvenc --enable-dxva2 --enable-avisynth
  
    libavutil      56.  7.101 / 56.  7.101
  
    libavcodec     58. 12.102 / 58. 12.102
  
    libavformat    58.  9.100 / 58.  9.100
  
    libavdevice    58.  2.100 / 58.  2.100
  
    libavfilter     7. 12.100 /  7. 12.100
  
    libswscale      5.  0.101 /  5.  0.101
  
    libswresample   3.  0.101 /  3.  0.101
  
    libpostproc    55.  0.100 / 55.  0.100
  
  Input #0, mpegts, from 'D:\clips\clip_4579\clip.mp4':
  
    Duration: 00:04:14.78, start: 14149.499000, bitrate: 2287 kb/s
  
    Program 1
  
      Stream #0:0[0x100]: Audio: aac (LC) ([15][0][0][0] / 0x000F), 44100 Hz, ster
  
  eo, fltp, 164 kb/s
  
      Stream #0:1[0x101]: Video: h264 (Main) ([27][0][0][0] / 0x001B), yuv420p(pro
  
  gressive), 1280x720, 60 tbr, 90k tbn, 2k tbc
  
      Stream #0:2[0x102]: Data: timed_id3 (ID3  / 0x20334449)
  
  Output #0, mp4, to 'D:\clips\clip_4579\renderless1.mp4':
  
    Metadata:
  
      encoder         : Lavf58.9.100
  
      Stream #0:0: Video: h264 (Main) (avc1 / 0x31637661), yuv420p(progressive), 1
  
  280x720, q=2-31, 60 tbr, 90k tbn, 90k tbc
  
      Stream #0:1: Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 16
  
  4 kb/s
  
  Stream mapping:
  
    Stream #0:1 -> #0:0 (copy)
  
    Stream #0:0 -> #0:1 (copy)
  
  Press [q] to stop, [?] for help
  
  frame=    0 fps=0.0 q=-1.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=
  
  frame=    0 fps=0.0 q=-1.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=
  
  frame=    0 fps=0.0 q=-1.0 size=       0kB time=00:00:00.00 bitrate=N/A speed=
  
  frame=  551 fps=271 q=-1.0 size=    4864kB time=00:00:21.23 bitrate=1876.7kbits/
  
  frame=  814 fps=380 q=-1.0 Lsize=    7381kB time=00:00:29.98 bitrate=2016.4kbits
  
  /s speed=  14x
  
  video:6757kB audio:594kB subtitle:0kB other streams:0kB global headers:0kB muxin
  
  g overhead: 0.400338%

• HLS files(.m3u8, .ts) does not created on nginx_rtmp_module

  6 mars 2018, par sujoyu

  I want to treanscode RTSP to RTMP to HLS using ffmpeg and nginx_rtmp_module.

  But HLS files(.m3u8, .ts) do not created.

  I’m testing on Docker(amazonlinux image).

  I can access and play rtmp://localhost:1935/live/camera1 by VLC Player, but can not access http://localhost:8088/live/camera1.m3u8.

  docker run command :

  docker run -it -p 8088:8088 -p 1935:1935 -v $(pwd):/tmp/share amazonlinux bash

  nginx.conf :

  user root;
  
  worker_processes  1;
  
  error_log  /var/log/nginx/error.log debug;
  
  
  
  events {
  
    worker_connections  1024;
  
  }
  
  
  
  rtmp {
  
    server {
  
      listen 1935;
  
      access_log  /var/log/nginx/rtmp_access.log;
  
      application live {
  
        live on;
  
        hls on;
  
        hls_path /usr/local/nginx/html/hls;
  
        hls_fragment 5s;
  
        hls_type live;
  
        hls_nested on;
  
      }
  
    }
  
  }
  
  
  
  http {
  
    server {
  
      listen      8088;
  
  
  
      location / {
  
        root /usr/local/nginx/html/;
  
      }
  
  
  
      location /hls {
  
        types {
  
          application/vnd.apple.mpegurl m3u8;
  
          video/mp2t ts;
  
          text/html html;
  
        }
  
  
  
        alias /usr/local/nginx/html/hls;
  
      }
  
    }
  
  }

  ffmpeg command : (using sample video rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov)

  nohup /root/ffmpeg_sources/ffmpeg/ffmpeg -i "rtsp://184.72.239.149/vod/mp4:BigBuckBunny_175k.mov" -f flv -s 320x240 -an "rtmp://localhost:1935/live/camera1" null &

  ffmpeg version :

  bash-4.2# /root/ffmpeg_sources/ffmpeg/ffmpeg -version
  
  ffmpeg version N-90214-gdd3f1e3 Copyright (c) 2000-2018 the FFmpeg developers
  
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-11)
  
  configuration: --prefix=/root/ffmpeg_build --pkg-config-flags=--static --extra-cflags=-I/root/ffmpeg_build/include --extra-ldflags=-L/root/ffmpeg_build/lib --extra-libs=-lpthread --extra-libs=-lm --bindir=/root/bin --enable-gpl --enable-libx264 --enable-nonfree
  
  libavutil      56.  8.100 / 56.  8.100
  
  libavcodec     58. 13.102 / 58. 13.102
  
  libavformat    58. 10.100 / 58. 10.100
  
  libavdevice    58.  2.100 / 58.  2.100
  
  libavfilter     7. 12.100 /  7. 12.100
  
  libswscale      5.  0.102 /  5.  0.102
  
  libswresample   3.  0.101 /  3.  0.101
  
  libpostproc    55.  0.100 / 55.  0.100

  nginx version : nginx version: nginx/1.13.9

  nginx_rtmp_module version : nginx-rtmp-module-1.2.1

  and directory permission :

  bash-4.2# pwd
  
  /usr/local/nginx/html
  
  bash-4.2# ls -l
  
  total 48
  
  -rw-r--r-- 1 root root   537 Mar  5 07:24 50x.html
  
  drwxrwxrwx 2 root root  4096 Mar  6 04:46 hls
  
  -rw-r--r-- 1 root root   612 Mar  5 07:24 index.html
  
  -rw------- 1 root root 36262 Mar  6 04:46 nohup.out

  Help...

• What is the proper input format for drawtext's timecode option in fluent-ffmpeg (node.js) ?

  24 janvier 2023, par Gil Dekel

  I am trying to generate short video clips from 3 images with a simple millisecond counter at the top left per user request. So far I was able to generate the clips using the videoshow npm lib, no issues here.

  



  However, when I try to add the timer via fluent-ffmpeg's drawtext filter to an already generated video, I run into the following issue.

  



  Here's what I have so far :

  



  ffmpeg('video.mp4')
    .on('error', function(err, stdout, stderr) {
      console.log("ffmpeg stdout:\n" + stdout);
      console.log("ffmpeg stderr:\n" + stderr);
    })
    .videoCodec('libx264')
    .format('mp4')
    .fps(fps)
    .complexFilter([
        {
            filter: 'drawtext',
            options: {
                fontsize: 15,
                timecode: '00\:00\:00\:00',  //<--- Issue is most likely here
                fontsize: 32,
                fontcolor: 'white',
                boxcolor: 'black',
                box: 1
            }
        }
    ]).save('out.mp4');


  



  From what I found online I am quite convinced that my problem is with the timecode input format. Here's my error log :

  



  ffmpeg stderr:
ffmpeg version 3.4.2 Copyright (c) 2000-2018 the FFmpeg developers
  built with Apple LLVM version 9.0.0 (clang-900.0.39.2)
  configuration: --prefix=/usr/local/Cellar/ffmpeg/3.4.2 --enable-shared --enable-pthreads --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --disable-jack --enable-gpl --enable-libass --enable-libfdk-aac --enable-libfontconfig --enable-libfreetype --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libxvid --enable-opencl --enable-videotoolbox --disable-lzma --enable-nonfree
  libavutil      55. 78.100 / 55. 78.100
  libavcodec     57.107.100 / 57.107.100
  libavformat    57. 83.100 / 57. 83.100
  libavdevice    57. 10.100 / 57. 10.100
  libavfilter     6.107.100 /  6.107.100
  libavresample   3.  7.  0 /  3.  7.  0
  libswscale      4.  8.100 /  4.  8.100
  libswresample   2.  9.100 /  2.  9.100
  libpostproc    54.  7.100 / 54.  7.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'video.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf57.83.100
  Duration: 00:00:01.03, start: 0.000000, bitrate: 585 kb/s
    Stream #0:0(und): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 640x1136 [SAR 923:924 DAR 130:231], 573 kb/s, 60 fps, 60 tbr, 15360 tbn, 120 tbc (default)
    Metadata:
      handler_name    : VideoHandler
[Parsed_drawtext_0 @ 0x7f91aa700700] Both text and text file provided. Please provide only one
[AVFilterGraph @ 0x7f91aa700440] Error initializing filter 'drawtext' with args 'fontsize=32:timecode=00:00:00:00:fontcolor=white:boxcolor=black:box=1'
Error initializing complex filters.
Invalid argument


  



  Specifically this :

  



  [Parsed_drawtext_0 @ 0x7f91aa700700] Both text and text file provided. Please provide only one


  



  When I run what should be the equivalent to my code in shell, it works perfectly :

  



  ffmpeg -i video.mp4 \
       -vf drawtext="fontsize=15:timecode='00\:00\:00\:00':rate=60:fontsize=32:fontcolor='white':\
           boxcolor=0x000000AA:box=1" \
       -f mp4 out.mp4


  



  I already spent a whole day trying to find any previous solutions to this problem, or documentation online regarding the proper format of drawtext's timecode option within node.js with no luck. It seems most of the information out there is for bash/shell use. I need to do this programmatically on a server per request, and I just can't find the right example to solve this.

  



  Any help to resolve this would be appreciated.