ffmpeg version 2.6.5 Copyright (c) 2000-2015 the FFmpeg developers
  built with gcc 4.9.2 (Debian 4.9.2-10)
  configuration: --prefix=/usr --extra-cflags='-g -O2 -fstack-protector-strong -Wformat -Werror=format-security ' --extra-ldflags='-Wl,-z,relro' --cc='ccache cc' --enable-shared --enable-libmp3lame --enable-gpl --enable-nonfree --enable-libvorbis --enable-pthreads --enable-libfaac --enable-libxvid --enable-postproc --enable-x11grab --enable-libgsm --enable-libtheora --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libx264 --enable-libspeex --enable-nonfree --disable-stripping --enable-libvpx --enable-libschroedinger --disable-encoder=libschroedinger --enable-version3 --enable-libopenjpeg --enable-librtmp --enable-avfilter --enable-libfreetype --enable-libvo-aacenc --disable-decoder=amrnb --enable-libvo-amrwbenc --enable-libaacplus --libdir=/usr/lib/x86_64-linux-gnu --disable-vda --enable-libbluray --enable-libcdio --enable-gnutls --enable-frei0r --enable-openssl --enable-libass --enable-libopus --enable-fontconfig --enable-libpulse --disable-mips32r2 --disable-mipsdspr1 --disable-mipsdspr2 --enable-libvidstab --enable-libzvbi --enable-avresample --disable-htmlpages --disable-podpages --enable-libutvideo --enable-libfdk-aac --enable-libx265 --enable-libiec61883 --enable-vaapi --enable-libdc1394 --disable-altivec --shlibdir=/usr/lib/x86_64-linux-gnu
  libavutil      54. 20.100 / 54. 20.100
  libavcodec     56. 26.100 / 56. 26.100
  libavformat    56. 25.101 / 56. 25.101
  libavdevice    56.  4.100 / 56.  4.100
  libavfilter     5. 11.102 /  5. 11.102
  libavresample   2.  1.  0 /  2.  1.  0
  libswscale      3.  1.101 /  3.  1.101
  libswresample   1.  1.100 /  1.  1.100
  libpostproc    53.  3.100 / 53.  3.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument 'debug'.
Reading option '-i' ... matched as input file with argument 'rtsp://127.0.0.1:12554/sn'.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument debug.
Successfully parsed a group of options.
Parsing a group of options: input file rtsp://127.0.0.1:12554/sn.
Successfully parsed a group of options.
Opening an input file: rtsp://127.0.0.1:12554/sn.
[rtsp @ 0x12e9060] SDP:
v=0
o=- 15749204262858651067 15749204262858651067 IN IP4 mf
s=Unnamed
i=N/A
c=IN IP4 0.0.0.0
t=0 0
a=tool:vlc 2.2.1
a=recvonly
a=type:broadcast
a=charset:UTF-8
a=control:rtsp://127.0.0.1:12554/sn
m=audio 0 RTP/AVP 14
b=AS:128
b=RR:0
a=rtpmap:14 MPA/90000/2
a=control:rtsp://127.0.0.1:12554/sn/trackID=0
m=video 0 RTP/AVP 96
b=AS:800
b=RR:0
a=rtpmap:96 H264/90000
a=fmtp:96 packetization-mode=1;profile-level-id=64001e;sprop-parameter-sets=Z2QAHqzZQLQSb/wAQAA8QAAAAwBAAAAMo8WLZYA=,aOvssiw=;
a=control:rtsp://127.0.0.1:12554/sn/trackID=1

[rtsp @ 0x12e9060] audio codec set to: mp2
[rtsp @ 0x12e9060] audio samplerate set to: 90000
[rtsp @ 0x12e9060] audio channels set to: 2
[rtsp @ 0x12e9060] video codec set to: h264
[rtsp @ 0x12e9060] RTP Packetization Mode: 1
[rtsp @ 0x12e9060] RTP Profile IDC: 64 Profile IOP: 0 Level: 1e
[rtsp @ 0x12e9060] Extradata set to 0x12de1a0 (size: 42)
[udp @ 0x12ec9a0] end receive buffer size reported is 131072
[udp @ 0x12fcca0] end receive buffer size reported is 131072
[udp @ 0x130d4e0] end receive buffer size reported is 131072
[udp @ 0x131d7e0] end receive buffer size reported is 131072
[rtsp @ 0x12e9060] hello state=0
[h264 @ 0x12ec4e0] Missing reference picture, default is 0
[h264 @ 0x12ec4e0] decode_slice_header error
[h264 @ 0x12ec4e0] Missing reference picture, default is 65560
[h264 @ 0x12ec4e0] no picture
[rtsp @ 0x12e9060] All info found
Input #0, rtsp, from 'rtsp://127.0.0.1:12554/sn':
  Metadata:
    title           : Unnamed
    comment         : N/A
  Duration: N/A, start: 55.353767, bitrate: N/A
    Stream #0:0, 40, 1/90000: Audio: mp2, 44100 Hz, stereo, s16p, 128 kb/s
    Stream #0:1, 25, 1/90000: Video: h264 (High), yuv420p(left), 720x576 [SAR 16:15 DAR 4:3], 1/50, 25 fps, 25 tbr, 90k tbn, 50 tbc
Successfully opened the file.
At least one output file must be specified