[FFmpeg-trac] #3554(avdevice:new): lavfi.c: variable 'sink' is used uninitialized whenever type == AVMEDIA_TYPE_AUDIO

[FFmpeg]

#3554: lavfi.c: variable 'sink' is used uninitialized whenever type ==
AVMEDIA_TYPE_AUDIO
---------------------------------------+----------------------------------
               Reporter:  jeremyhu     |                  Owner:
                   Type:  defect       |                 Status:  new
               Priority:  normal       |              Component:  avdevice
                Version:  unspecified  |               Keywords:
             Blocked By:               |               Blocking:
Reproduced by developer:  0            |  Analyzed by developer:  0
---------------------------------------+----------------------------------
 I noticed this when looking at recent fate

 http://fate.ffmpeg.org/log.cgi?time=20140413053349&log=compile&slot=i386
 -darwin-clang-3.5-O3

 {{{
 CC      libavdevice/lavfi.o
 /Users/jeremy/src/ffmpeg/fate/i386-darwin-
 clang-3.5-O3/src/libavdevice/lavfi.c:237:20: warning: variable 'sink' is
 used uninitialized whenever 'if' condition is false [-Wsometimes-
 uninitialized]
         } else if (type == AVMEDIA_TYPE_AUDIO) {
                    ^~~~~~~~~~~~~~~~~~~~~~~~~~
 /Users/jeremy/src/ffmpeg/fate/i386-darwin-
 clang-3.5-O3/src/libavdevice/lavfi.c:257:27: note: uninitialized use
 occurs here
         lavfi->sinks[i] = sink;
                           ^~~~
 /Users/jeremy/src/ffmpeg/fate/i386-darwin-
 clang-3.5-O3/src/libavdevice/lavfi.c:237:16: note: remove the 'if' if its
 condition is always true
         } else if (type == AVMEDIA_TYPE_AUDIO) {
                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 /Users/jeremy/src/ffmpeg/fate/i386-darwin-
 clang-3.5-O3/src/libavdevice/lavfi.c:219:30: note: initialize the variable
 'sink' to silence this warning
         AVFilterContext *sink;
                              ^
                               = NULL
 }}}

--
Ticket URL: <https://trac.ffmpeg.org/ticket/3554>
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