[FFmpeg-trac] #1952(undetermined:new): ffmpeg: warn user when attemping to manipulate stream that is potentially empty (was: FFMPEG not able to copy empty audio stream in wtv)

[FFmpeg]

#1952: ffmpeg: warn user when attemping to manipulate stream that is potentially
empty
-------------------------------------+-------------------------------------
             Reporter:  ramitbhalla  |                    Owner:
                 Type:  enhancement  |                   Status:  new
             Priority:  normal       |                Component:
              Version:  git-master   |  undetermined
             Keywords:  ffmpeg wtv   |               Resolution:
  ts ac3                             |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by pross):

 * keywords:  wtv ac3 => ffmpeg wtv ts ac3
 * type:  defect => enhancement


Comment:

 There is no way for the wtvdec to detect "empty streams" reliably.

 In your workflow, I suggest you use ffprobe to detect the presence of
 potientially empty streams, and filter them out using -map.

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Ticket URL: <https://trac.ffmpeg.org/ticket/1952#comment:7>
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