[FFmpeg-trac] #1342(undetermined:new): ffplay vf: crash with hflip and unsharp

[FFmpeg]

#1342: ffplay vf: crash with hflip and unsharp
-------------------------------------+-------------------------------------
               Reporter:  ami_stuff  |                  Owner:
                   Type:  defect     |                 Status:  new
               Priority:  normal     |              Component:
                Version:             |  undetermined
  unspecified                        |               Keywords:
             Blocked By:             |               Blocking:
Reproduced by developer:  0          |  Analyzed by developer:  0
-------------------------------------+-------------------------------------
 with -vf vflip,unsharp the last frame is gray

 {{{
 (gdb) r -vf hflip,unsharp fronten2.txd
 Starting program: d:\mingw\msys\1.0\ffmpeg-head-307562b\ffplay_g.exe -vf
 hflip,unsharp fronten2.txd
 [New Thread 3372.0x89c]
 [New Thread 3372.0xec0]
 [New Thread 3372.0x94]
 [New Thread 3372.0x3e8]
 [New Thread 3372.0xd80]

 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread 3372.0x3e8]
 0x00420f4a in draw_slice (inlink=0x3b963a0, y=0, h=512, slice_dir=1)
     at libavfilter/vf_hflip.c:145
 145                         outrow32[j] = inrow32[-j];
 (gdb) bt
 #0  0x00420f4a in draw_slice (inlink=0x3b963a0, y=0, h=512, slice_dir=1)
     at libavfilter/vf_hflip.c:145
 #1  0x00405c1c in input_request_frame (link=0x3b963a0) at ffplay.c:1687
 #2  0x0040f1b3 in avfilter_request_frame (link=0x3b96ec0)
     at libavfilter/avfilter.c:277
 #3  0x0040cf7b in av_buffersink_get_buffer_ref (ctx=0x3b96b20,
     bufref=0x4c3ff14, flags=0) at libavfilter/sink_buffer.c:128
 #4  0x0040219f in video_thread (arg=0x42e0040) at ffplay.c:1845
 #5  0x681097ee in SDL_RunThread (data=0x3b92f40)
     at ./src/thread/SDL_thread.c:204
 #6  0x681327d3 in RunThread (data=0x3b92f60)
     at ./src/thread/win32/SDL_systhread.c:74
 #7  RunThreadViaBeginThreadEx (data=0x3b92f60)
     at ./src/thread/win32/SDL_systhread.c:95
 #8  0x77c2a3b0 in msvcrt!_endthreadex () from
 C:\WINDOWS\system32\msvcrt.dll
 #9  0x7c80b729 in KERNEL32!GetModuleFileNameA ()
    from C:\WINDOWS\system32\kernel32.dll
 #10 0x00000000 in ?? ()
 }}}

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Ticket URL: <https://ffmpeg.org/trac/ffmpeg/ticket/1342>
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