$ lldb ffplay
Current executable set to 'ffplay' (x86_64).
(lldb) run movie.mkv
Process 88726 launched: '/opt/local/bin/ffplay' (x86_64)
ffplay version 2.1.4 Copyright (c) 2003-2014 the FFmpeg developers
  built on Mar 20 2014 12:14:35 with Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
  configuration: --prefix=/opt/local --enable-swscale --enable-avfilter --enable-avresample --enable-libmp3lame --enable-libvorbis --enable-libopus --enable-libtheora --enable-libschroedinger --enable-libopenjpeg --enable-libmodplug --enable-libvpx --enable-libspeex --enable-libass --enable-libbluray --enable-gnutls --enable-fontconfig --enable-libfreetype --disable-indev=jack --disable-outdev=xv --mandir=/opt/local/share/man --enable-shared --enable-pthreads --cc=/usr/bin/clang --enable-vda --arch=x86_64 --enable-yasm --enable-gpl --enable-postproc --enable-libx264 --enable-libxvid --enable-nonfree --enable-libfdk-aac --enable-libfaac
  libavutil      52. 48.101 / 52. 48.101
  libavcodec     55. 39.101 / 55. 39.101
  libavformat    55. 19.104 / 55. 19.104
  libavdevice    55.  5.100 / 55.  5.100
  libavfilter     3. 90.100 /  3. 90.100
  libavresample   1.  1.  0 /  1.  1.  0
  libswscale      2.  5.101 /  2.  5.101
  libswresample   0. 17.104 /  0. 17.104
  libpostproc    52.  3.100 / 52.  3.100
Input #0, matroska,webm, from 'movie.mkv':
  Metadata:
    title           : >> VISIT - MICROMKV.COM <<
    creation_time   : 2013-09-15 12:36:06
  Duration: 02:07:34.65, start: 0.000000, bitrate: 931 kb/s
    Stream #0:0(eng): Video: h264 (High), yuv420p(tv, bt709), 1280x534 [SAR 1:1 DAR 640:267], 23.98 fps, 23.98 tbr, 1k tbn, 47.95 tbc (default)
    Stream #0:1: Audio: aac, 48000 Hz, stereo, fltp (default)
    Stream #0:2: Subtitle: subrip (default)
Process 88726 stopped
* thread #1: tid = 0xcbd7f, 0x00000001014033a9 libSDL-1.2.0.dylib`-[SDL_QuartzWindow display] + 33, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0)
    frame #0: 0x00000001014033a9 libSDL-1.2.0.dylib`-[SDL_QuartzWindow display] + 33
libSDL-1.2.0.dylib`-[SDL_QuartzWindow display] + 33:
-> 0x1014033a9:  testb  $0x2, (%rax)
   0x1014033ac:  jne    0x1014033b3               ; -[SDL_QuartzWindow display] + 43
   0x1014033ae:  callq  0x101403924               ; QZ_SetPortAlphaOpaque
   0x1014033b3:  movq   0x3e8(%rbx), %rax
(lldb)