[FFmpeg-trac] #4900(avformat:new): HLS flag "delete_segments" errors

FFmpeg trac at avcodec.org
Fri Oct 2 02:22:10 CEST 2015

#4900: HLS flag "delete_segments" errors
             Reporter:  DeHackEd    |                    Owner:
                 Type:  defect      |                   Status:  new
             Priority:  normal      |                Component:  avformat
              Version:  git-master  |               Resolution:
             Keywords:  hls         |               Blocked By:
             Blocking:              |  Reproduced by developer:  0
Analyzed by developer:  0           |

Comment (by DeHackEd):

 When no subtitles are in use segment->sub_filename consists of
 uninitialized/garbage memory. During segment deletion there is no check
 for whether sub_filename is valid and it attempts to unlink() regardless.
 This fails and the uninitialized memory block is also printed via av_log
 for the failure.

 I submitted a possible fix to the mailing list.

Ticket URL: <https://trac.ffmpeg.org/ticket/4900#comment:4>
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