[FFmpeg-trac] #8492(avformat:new): tee muxer silently overwrites output files

FFmpeg trac at avcodec.org
Tue Jan 21 18:12:14 EET 2020

#8492: tee muxer silently overwrites output files
             Reporter:  cehoyos     |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  tee         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |

Comment (by Cigaes):

 This is likely true for all muxers with AVFMT_NOFILE that still write
 output to files. A quick check shows that it applies to image2 as well.

 Ans the issue is not in lavf, since the overwrite test is purely a
 ffmpeg*.c feature.

Ticket URL: <https://trac.ffmpeg.org/ticket/8492#comment:1>
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