[FFmpeg-user] RTMP send error 104 after 97hours

[florian.hesse at rbb-online.de]

Hello everyone,

i have a nice working centos 7.2 with a Blackmagic DeckLink Duo. ffmpeg 
should capture a 720p50 SDI signal and send it with rtmp to a local 
running Wowza Server.
This is working realy well but only 97 hours. I've tested it three times 
now, it always stops after the same time. Wowza says there are no errors 
before stopping.


Start-Command:
#!/bin/bash

echo $(date +"%a %d. %b %T %Z %Y") --- START test_stream.sh --- 
>>logs/test_stream.log

FFREPORT=file=logs/test_stream_$(date +%Y-%m-%d).log:level=24 \
ffmpeg \
        -f decklink \
        -i 'DeckLink SDI (1)@12' \
        -s 1280x720 \
                -r 25 \
                -pix_fmt yuv420p \
                -profile:v high \
                -c:v libx264 \
                -b:v 3584k \
                -preset slow \
                -x264opts keyint=75:scenecut=-1 \
                -c:a libfdk_aac \
                -b:a 192k \
                -bufsize 3000k \
                -f flv rtmp://127.0.0.1:1935/live/source

echo $(date +"%a %d. %b %T %Z %Y") --- STOP test_stream.sh --- 
>>logs/test_stream.log
echo

Output:
ffmpeg started on 2016-02-02 at 08:56:22
Report written to "logs/test_stream_2016-02-02.log"
ffmpeg version git-2015-11-17-bf6d41d Copyright (c) 2000-2015 the FFmpeg 
developers
  built with gcc 4.8.3 (GCC) 20140911 (Red Hat 4.8.3-9)
  configuration: --prefix=home/user/ffmpeg_build 
--extra-cflags=-I/home/user/ffmpeg_build/include 
--extra-ldflags=-L/home/user/ffmpeg_build/lib --bindir=/home/user/bin 
--pkg-config-flags=--static --enable-gpl --enable-nonfree 
--enable-libfdk-aac --enable-libfreetype --enable-libmp3lame 
--enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 
--enable-openssl --enable-librtmp --enable-version3 --enable-libzvbi 
--enable-libass --enable-decklink 
--extra-cflags=-I/home/user/Downloads/Blackmagic_DeckLink_SDK_10.5/Linux/include 
--extra-ldflags=-L/home/user/Downloads/Blackmagic_Decklink_SDk.10.5/Linux/include
  libavutil      55.  6.100 / 55.  6.100
  libavcodec     57. 15.100 / 57. 15.100
  libavformat    57. 14.100 / 57. 14.100
  libavdevice    57.  0.100 / 57.  0.100
  libavfilter     6. 15.100 /  6. 15.100
  libswscale      4.  0.100 /  4.  0.100
  libswresample   2.  0.101 /  2.  0.101
  libpostproc    54.  0.100 / 54.  0.100
[decklink @ 0x3f4efc0] Found Decklink mode 1280 x 720 with rate 50.00
Guessed Channel Layout for  Input Stream #0.0 : stereo
Input #0, decklink, from 'DeckLink SDI (1)@12':
  Duration: N/A, start: 0.000000, bitrate: 1536 kb/s
    Stream #0:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/s
    Stream #0:1: Video: rawvideo (UYVY / 0x59565955), uyvy422, 1280x720, 
-8 kb/s, 50 tbr, 1000k tbn, 50 tbc
[decklink @ 0x3f4efc0] Frame received (#9) - No input signal detected - 
Frames dropped 1
[libx264 @ 0x3f57320] VBV maxrate unspecified, assuming CBR
[libx264 @ 0x3f57320] using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 
AVX FMA3 AVX2 LZCNT BMI2
[libx264 @ 0x3f57320] profile High, level 3.1
[libx264 @ 0x3f57320] 264 - core 148 - H.264/MPEG-4 AVC codec - Copyleft 
2003-2015 - http://www.videolan.org/x264.html - options: cabac=1 ref=5 
deblock=1:0:0 analyse=0x3:0x113 me=umh subme=8 psy=1 psy_rd=1.00:0.00 
mixed_ref=1 me_range=16 chroma_me=1 trellis=1 8x8dct=1 cqm=0 
deadzone=21,11 fast_pskip=1 chroma_qp_offset=-2 threads=22 
lookahead_threads=3 sliced_threads=0 nr=0 decimate=1 interlaced=0 
bluray_compat=0 constrained_intra=0 bframes=3 b_pyramid=2 b_adapt=2 
b_bias=0 direct=3 weightb=1 open_gop=0 weightp=2 keyint=75 keyint_min=7 
scenecut=0 intra_refresh=0 rc_lookahead=50 rc=cbr mbtree=1 bitrate=3584 
ratetol=1.0 qcomp=0.60 qpmin=0 qpmax=69 qpstep=4 vbv_maxrate=3584 
vbv_bufsize=3000 nal_hrd=none filler=0 ip_ratio=1.40 aq=1:1.00
Output #0, flv, to 'rtmp://127.0.0.1:1935/live/source':
  Metadata:
    encoder         : Lavf57.14.100
    Stream #0:0: Video: h264 (libx264) ([7][0][0][0] / 0x0007), yuv420p, 
1280x720, q=-1--1, 3584 kb/s, 25 fps, 1k tbn, 25 tbc
    Metadata:
      encoder         : Lavc57.15.100 libx264
    Stream #0:1: Audio: aac (libfdk_aac) ([10][0][0][0] / 0x000A), 48000 
Hz, stereo, s16, 192 kb/s
    Metadata:
      encoder         : Lavc57.15.100 libfdk_aac
Stream mapping:
  Stream #0:1 -> #0:0 (rawvideo (native) -> h264 (libx264))
  Stream #0:0 -> #0:1 (pcm_s16le (native) -> aac (libfdk_aac))
Press [q] to stop, [?] for help
[decklink @ 0x3f4efc0] Frame received (#10) - Input returned - Frames 
dropped 2
frame=20913 fps= 25 q=30.0 size=  335136kB time=00:13:56.41 
bitrate=3282.4kbits/s dup=0 drop=20910

Then everything is doing fine, and after 97h just this is added:
WriteN, RTMP send error 104 (129 bytes)