[FFmpeg-trac] #10583(avformat:new): lavf fails to probe ass file with utf16le encoding

[FFmpeg]

#10583: lavf fails to probe ass file with utf16le encoding
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             Reporter:  llyyr       |                    Owner:  (none)
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  ass         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |
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Comment (by llyyr):

 Replying to [comment:1 mkver]:
 > Your file contains two UTF-16 LE BOMs at the beginning; the subtitles.c
 code strips the first one away and when streamcopying said file, the
 resulting file gets an UTF-8 BOM from the second input BOM (otherwise
 there would be no BOM as usual).

 Ah I see, I thought this would be supported since I have quite a few files
 with two BOMs at the beginning. Would a patch that adds support for
 correctly probing such files be accepted?
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Ticket URL: <https://trac.ffmpeg.org/ticket/10583#comment:2>
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