[FFmpeg-trac] #9093(undetermined:new): log level debug causes command to work

[FFmpeg]

#9093: log level debug causes command to work
-------------------------------------+-------------------------------------
             Reporter:               |                    Owner:
  certaindestiny                     |
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  4.2          |               Resolution:
             Keywords:  decklink     |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------

Comment (by certaindestiny):

 Output after starting command:

 [x11grab @ 0x55deaef9d500] Stream #0: not enough frames to estimate rate;
 consider increasing probesize
 Input #0, x11grab, from ':11':
   Duration: N/A, start: 1612292759.605620, bitrate: 1988667 kb/s
     Stream #0:0: Video: rawvideo (BGR[0] / 0x524742), bgr0, 1920x1080,
 1988667 kb/s, 29.97 fps, 1000k tbr, 1000k tbn, 1000k tbc
 Guessed Channel Layout for Input Stream #1.0 : stereo
 Input #1, alsa, from 'hw:11,1':
   Duration: N/A, start: 1612292759.616126, bitrate: 1536 kb/s
     Stream #1:0: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
 Stream mapping:
   Stream #0:0 -> #0:0 (rawvideo (native) -> wrapped_avframe (native))
   Stream #1:0 -> #0:1 (pcm_s16le (native) -> pcm_s16le (native))
 Press [q] to stop, [?] for help


 output after stopping
 x11grab @ 0x55deaef9d500] Thread message queue blocking; consider raising
 the thread_queue_size option (current value: 8)
 [alsa @ 0x55deaefa8380] Thread message queue blocking; consider raising
 the thread_queue_size option (current value: 8)
 Finishing stream 0:0 without any data written to it.
 Finishing stream 0:1 without any data written to it.
 [decklink @ 0x55deaefce480] Found Decklink mode 1920 x 1080 with rate
 25.00(i)
 Output #0, decklink, to 'DeckLink Quad (1)':
   Metadata:
     encoder         : Lavf58.65.101
     Stream #0:0: Video: wrapped_avframe, uyvy422(top first), 1920x1080,
 q=2-31, 200 kb/s, 25 fps, 25 tbn
     Metadata:
       encoder         : Lavc58.119.100 wrapped_avframe
     Stream #0:1: Audio: pcm_s16le, 48000 Hz, stereo, s16, 1536 kb/s
     Metadata:
       encoder         : Lavc58.119.100 pcm_s16le
 frame=    0 fps=0.0 q=0.0 Lsize=N/A time=00:00:00.00 bitrate=N/A speed=
 0x
 video:0kB audio:0kB subtitle:0kB other streams:0kB global headers:0kB
 muxing overhead: unknown
 Output file is empty, nothing was encoded (check -ss / -t / -frames
 parameters if used)
 Exiting normally, received signal 2.

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Ticket URL: <https://trac.ffmpeg.org/ticket/9093#comment:1>
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