[FFmpeg-trac] #986(avutil:new): windows named pipe seek

FFmpeg trac at avcodec.org
Mon Jun 25 18:39:43 CEST 2012

#986: windows named pipe seek
             Reporter:  setosha      |                    Owner:  michael
                 Type:  defect       |                   Status:  new
             Priority:  normal       |                Component:  avutil
              Version:  unspecified  |               Resolution:
             Keywords:  windows      |               Blocked By:
  named pipe seek                    |  Reproduced by developer:  0
             Blocking:               |
Analyzed by developer:  0            |

Comment (by martin.sliwka):

 Ok, I see where problem lies. Named pipes are opened as regular files. But
 they obviously does not support seeking nor getting file size. My original
 patch addressed both by disabling seeking altogether (getting file size is
 implemented throught seek function). But it was rejected as unnessesary
 and because I had no arguments that it is really required I prepared much
 simpler patch that only fixed getting file size. Now it reports zero bytes
 (this disables avio_limit() function) and formats/codecs that does not try
 to seek are working now.

 I will discuss remaining problem with developers and try to prepare
 another patch. Thank you for testing.

Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/986#comment:16>
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