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• Live stream failed on Youtube

  20 septembre 2023, par kuldeep chopra

  We are currently running an AWS container that utilizes FFmpeg for live streaming while concurrently saving the stream as an MP4 file. However, we encountered an issue during a recent live stream session that was functioning correctly until approximately 13 minutes in, at which point FFmpeg reported the following error logs :

  


  ffmpeg [flv @ 0x555c4bdfe680] Failed to update header with correct duration.
2023-09-07T23:06:38.490+05:30 [flv @ 0x555c4bdfe680] Failed to update header with correct filesize.
2023-09-07T23:06:38.491+05:30 failed => rtmp://a.rtmp.youtube.com/live2/key......
2023-09-07T23:06:38.491+05:30 ffmpeg [tee @ 0x555c48843700] Slave muxer #1 failed: Broken pipe, continuing with 1/2 slaves.


  


  It's worth noting that we have conducted hundreds of live streams on YouTube without encountering this error before ; this is the first occurrence of such an issue.

  


  We would greatly appreciate it if you could investigate and provide insights into the underlying problem causing these error messages.

  


• Trying to stream a video loop using FFMPEG. However, I keep getting the error "Cannot Write the Headers Server returned 400 Bad Request" [closed]

  8 mai 2023, par lokit khemka

  I am using mediamtx for starting RTSP server. The command that I am using for ffmpeg is as follows :

  


  ffmpeg -re -stream_loop -1 -i ./clouds.mp4 -f rtsp -rtsp_transport tcp rtsp://localhost:8554

  


  The tried various different options but not luck. I am not getting the ffmpeg to stream the video.

  


  The file details are as follows :

  


  Input #0, mov,mp4,m4a,3gp,3g2,mj2, from './clouds.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: mp42isomavc1
    creation_time   : 2023-01-12T20:44:34.000000Z
  Duration: 00:00:56.34, start: 0.000000, bitrate: 2952 kb/s
  Stream #0:0[0x1](und): Video: h264 (High) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 1920x1080, 2758 kb/s, 29.97 fps, 29.97 tbr, 30k tbn (default)
    Metadata:
      creation_time   : 2023-01-12T20:44:34.000000Z
      handler_name    : Vimeo Artax Video Handler
      vendor_id       : [0][0][0][0]
      encoder         : AVC Coding
  Stream #0:1[0x2](und): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, stereo, fltp, 189 kb/s (default)
    Metadata:
      creation_time   : 2023-01-12T20:44:34.000000Z
      handler_name    : Vimeo Artax Audio Handler
      vendor_id       : [0][0][0][0]
Stream mapping:
  Stream #0:0 -> #0:0 (h264 (native) -> mpeg4 (native))
  Stream #0:1 -> #0:1 (aac (native) -> aac (native))


  


  The error on mediamtx terminal window is :

  


  2023/05/08 17:30:43 INF [RTSP] [session 298895e1] created by 127.0.0.1:38024
2023/05/08 17:30:43 INF [RTSP] [conn 127.0.0.1:38024] closed (invalid path)


  


• Works on FFMPEG 4, but FFMPEG 3 says emerge has unconnected output ?

  23 novembre 2020, par Karl Messner

  I'm combining an intro (.mp4/stereo) with video (.mp4/MONO) and and outdo (.mp4/stereo)

  


  ALSO, I want to add a background music. (.mp3/stereo) to the video. Adding stereo music to mono video. Then concat.

  


  It works fine on my MacOS localhost FFMPEG 4.x, but I upload to HostUpon, running FFMPEG 3.x and get this error :

  


  Filter amerge has a unconnected output

  


  I've tried a million variations of channel layout and pan configurations but the docs aren't clear enough for a newb. Any help greatly appreciated.

  


  /usr/local/bin/ffmpeg -report -i videos/intro720.mp4 -i videos/raw.mp4 -i videos/outro720.mp4 -i videos/music.mp3 -filter_complex " \
[0] scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1[v0]; \
[1] scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1[v1]; \
[2] scale=1280:720:force_original_aspect_ratio=decrease,pad=1280:720:(ow-iw)/2:(oh-ih)/2,setsar=1[v2]; \
[3:a]volume=.015[a0]; \
[1:a][a0]amerge[amix]; \
[v0][0:a:0] [v1][aMix] [v2][2:a:0] concat=n=3:v=1:a=1[v][a]" -map "[v]" -map "[a]" -f mp4 videos/out1606134367mp4 2>&1

ffmpeg started on 2020-11-23 at 07:26:07
Report written to "ffmpeg-20201123-072607.log"
ffmpeg version 3.0.2 Copyright (c) 2000-2016 the FFmpeg developers
  built with gcc 4.8.5 (GCC) 20150623 (Red Hat 4.8.5-39)
  configuration: --enable-gpl --enable-nonfree --enable-shared --enable-libmp3lame --enable-libx264 --enable-libfdk-aac --enable-libtheora --enable-libvorbis --enable-libxvid --enable-libfreetype --enable-libvpx
  libavutil      55. 17.103 / 55. 17.103
  libavcodec     57. 24.102 / 57. 24.102
  libavformat    57. 25.100 / 57. 25.100
  libavdevice    57.  0.101 / 57.  0.101
  libavfilter     6. 31.100 /  6. 31.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'videos/intro720.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.12.100
    episode_sort    : 0
    season_number   : 0
    media_type      : 0
    hd_video        : 0
  Duration: 00:00:08.34, start: 0.023220, bitrate: 331 kb/s
    Stream #0:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 16:15 DAR 256:135], 269 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #0:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 53 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
Input #1, mov,mp4,m4a,3gp,3g2,mj2, from 'videos/raw.mp4':
  Metadata:
    major_brand     : mp42
    minor_version   : 0
    compatible_brands: isommp42
    creation_time   : 2020-11-18 19:47:11
    com.android.version: 10
    com.android.manufacturer: Google
    com.android.model: Pixel XL
  Duration: 00:01:15.98, start: 0.000000, bitrate: 17097 kb/s
    Stream #1:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuvj420p(pc, smpte170m), 1920x1080, 16997 kb/s, SAR 1:1 DAR 16:9, 29.91 fps, 29.97 tbr, 90k tbn, 180k tbc (default)
    Metadata:
      creation_time   : 2020-11-18 19:47:11
      handler_name    : VideoHandle
    Stream #1:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 48000 Hz, mono, fltp, 95 kb/s (default)
    Metadata:
      creation_time   : 2020-11-18 19:47:11
      handler_name    : SoundHandle
Input #2, mov,mp4,m4a,3gp,3g2,mj2, from 'videos/outro720.mp4':
  Metadata:
    major_brand     : isom
    minor_version   : 512
    compatible_brands: isomiso2avc1mp41
    encoder         : Lavf58.12.100
    episode_sort    : 0
    season_number   : 0
    media_type      : 0
    hd_video        : 0
  Duration: 00:00:09.15, start: 0.023220, bitrate: 208 kb/s
    Stream #2:0(eng): Video: h264 (High) (avc1 / 0x31637661), yuv420p, 1280x720 [SAR 1:1 DAR 16:9], 198 kb/s, 30 fps, 30 tbr, 15360 tbn, 60 tbc (default)
    Metadata:
      handler_name    : VideoHandler
    Stream #2:1(eng): Audio: aac (LC) (mp4a / 0x6134706D), 44100 Hz, stereo, fltp, 2 kb/s (default)
    Metadata:
      handler_name    : SoundHandler
[mp3 @ 0x10c5e40] Skipping 0 bytes of junk at 138.
[mp3 @ 0x10c5e40] Estimating duration from bitrate, this may be inaccurate
Input #3, mp3, from 'videos/music.mp3':
  Metadata:
    major_brand     : dash
    minor_version   : 0
    compatible_brands: iso6mp41
    encoder         : Lavf57.19.100
  Duration: 00:01:56.69, start: 0.000000, bitrate: 192 kb/s
    Stream #3:0: Audio: mp3, 44100 Hz, stereo, s16p, 192 kb/s
Filter amerge has a unconnected output