[FFmpeg-user] BlackMagic multiple capture, BSOD

[Bouke (VideoToolShed)]

Trying to do multiple instances capturing from BM cards.
(Got a decklink Quad and a decklink Studio, doing 5 at a time)
HP Z420, with multithreading enabled (12 cores) Win7 64 bit / 16 gig ram

It sorta kinda works, but every now and then (about after some 14 start / 
stops) i get a blue screen of death.

disabling multithreading gives a slightly better performance, but still BSOD 
on the most weird moments...
(on deleting files after some capture attempts)

Anyone got something like this working? Any hints on the secret handshake?
(Compatible hardware, settings, driver versions?)

Most simple commands (but then i run 5 of these at the same time) below.

Thx,
Bouke

C:\Users\Bouke>C:\Users\Bouke\Desktop\BMtest\xtras\ffmpeg.exe -f 
dshow -rtbufsiz
e 1024000k -pixel_format uyvy422 -framerate 25 -s 1920:1080 -re -i 
video="Deckli
nk Video Capture":audio="Decklink Audio Capture" -i 
C:\Users\Bouke\Desktop\BMtes
t\slate.png -filter_complex "overlay=enable='lte(t,2)'" -b:v 6M -vcodec 
mpeg2vid
eo -pix_fmt yuv422p -acodec mp2 -s 960x540 -aspect 16:9 -f tee -map 0:v -map 
0:a
  "[f=mpegts]udp://192.168.1.61:1231"
ffmpeg version N-60087-g94a5241 Copyright (c) 2000-2014 the FFmpeg 
developers
  built on Jan 21 2014 22:06:13 with gcc 4.8.2 (GCC)
  configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-av
isynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enab
le-iconv --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetyp
e --enable-libgsm --enable-libilbc --enable-libmodplug --enable-libmp3lame --ena
ble-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-l
ibopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libsp
eex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-aa
cenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libwavp
ack --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
  libavutil      52. 63.100 / 52. 63.100
  libavcodec     55. 48.102 / 55. 48.102
  libavformat    55. 25.101 / 55. 25.101
  libavdevice    55.  5.102 / 55.  5.102
  libavfilter     4.  1.100 /  4.  1.100
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
Guessed Channel Layout for  Input Stream #0.1 : stereo
Input #0, dshow, from 'video=Decklink Video Capture:audio=Decklink Audio 
Capture
':
  Duration: N/A, start: 0.089250, bitrate: 1536 kb/s
    Stream #0:0: Video: rawvideo (UYVY / 0x59565955), uyvy422(tv), 
1920x1080, 25
 tbr, 10000k tbn, 25 tbc
    Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
Input #1, image2, from 'C:\Users\Bouke\Desktop\BMtest\slate.png':
  Duration: 00:00:00.04, start: 0.000000, bitrate: N/A
    Stream #1:0: Video: png, rgba, 1920x1080, 25 tbr, 25 tbn, 25 tbc
Output #0, tee, to '[f=mpegts]udp://192.168.1.61:1231':
  Metadata:
    encoder         : Lavf55.25.101
    Stream #0:0: Video: mpeg2video, yuv422p, 960x540 [SAR 1:1 DAR 16:9], 
q=2-31,
 6000 kb/s, 90k tbn, 25 tbc (default)
    Stream #0:1: Audio: mp2, 48000 Hz, stereo, s16, 128 kb/s
Stream mapping:
  Stream #0:0 (rawvideo) -> overlay:main (graph 0)
  Stream #1:0 (png) -> overlay:overlay (graph 0)
  overlay (graph 0) -> Stream #0:0 (mpeg2video)
  Stream #0:1 -> #0:1 (pcm_s16le -> mp2)
Press [q] to stop, [?] for help
frame=   70 fps= 25 q=2.0 Lsize=N/A time=00:00:02.78 bitrate=N/A
video:118kB audio:44kB subtitle:0 global headers:0kB muxing 
overhead -100.013287
%



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