[FFmpeg-trac] #1357(undetermined:closed): Memleak when avformat_open_input used together with avio_context

FFmpeg trac at avcodec.org
Fri Jun 6 18:55:36 EEST 2025


#1357: Memleak when avformat_open_input used together with avio_context
-------------------------------------+-------------------------------------
             Reporter:  xire         |                    Owner:  (none)
                 Type:  defect       |                   Status:  closed
             Priority:  normal       |                Component:
                                     |  undetermined
              Version:  unspecified  |               Resolution:  invalid
             Keywords:  leak         |               Blocked By:
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
Changes (by mkver):

 * resolution:   => invalid
 * status:  new => closed

Comment:

 Not a bug: When using custom IO via a preallocated AVIOContext, the user
 is supposed to free the AVIOContext himself (as you do (although this
 should be done via avio_context_free()) and this includes freeing the
 corresponding read buffer (which you only free if one uncomments these
 three lines which makes the leak go away).
-- 
Ticket URL: <https://trac.ffmpeg.org/ticket/1357#comment:2>
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