ffmpeg version N-51106-g17c1881
built on Mar 19 2013 13:49:37 with gcc 4.7.2 (GCC)
configuration: --enable-gpl --enable-version3 --disable-w32threads --enable-avisynth --enable-bzlib --enable-fontconfig --enable-frei0r --enable-gnutls --enable-libass --enable-libbluray --enable-libcaca --enable-libfreetype --enable-libgsm --enable-libilbc --enable-libmp3lame --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libopus --enable-librtmp --enable-libschroedinger --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvo-aacenc --enable-libvo-amrwbenc --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libxavs --enable-libxvid --enable-zlib
libavutil      52. 19.101 / 52. 19.101
libavcodec     55.  1.100 / 55.  1.100
libavformat    55.  0.100 / 55.  0.100
libavdevice    55.  0.100 / 55.  0.100
libavfilter     3. 47.104 /  3. 47.104
libswscale      2.  2.100 /  2.  2.100
libswresample   0. 17.102 /  0. 17.102
libpostproc    52.  2.100 / 52.  2.100
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Individual channels:
NAME        DESCRIPTION
FL          front left
FR          front right
FC          front center
LFE         low frequency
BL          back left
BR          back right
FLC         front left-of-center
FRC         front right-of-center
BC          back center
SL          side left
SR          side right
TC          top center
TFL         top front left
TFC         top front center
TFR         top front right
TBL         top back left
TBC         top back center
TBR         top back right
DL          downmix left
DR          downmix right
WL          wide left
WR          wide right
SDL         surround direct left
SDR         surround direct right
LFE2        low frequency 2

Standard channel layouts:
NAME        DECOMPOSITION
mono        FC
stereo      FL+FR
2.1         FL+FR+LFE
3.0         FL+FR+FC
3.0(back)   FL+FR+BC
4.0         FL+FR+FC+BC
quad        FL+FR+BL+BR
quad(side)  FL+FR+SL+SR
3.1         FL+FR+FC+LFE
5.0         FL+FR+FC+BL+BR
5.0(side)   FL+FR+FC+SL+SR
4.1         FL+FR+FC+LFE+BC
5.1         FL+FR+FC+LFE+BL+BR
5.1(side)   FL+FR+FC+LFE+SL+SR
6.0         FL+FR+FC+BC+SL+SR
6.0(front)  FL+FR+FLC+FRC+SL+SR
hexagonal   FL+FR+FC+BL+BR+BC
6.1         FL+FR+FC+LFE+BC+SL+SR
6.1         FL+FR+FC+LFE+BL+BR+BC
6.1(front)  FL+FR+LFE+FLC+FRC+SL+SR
7.0         FL+FR+FC+BL+BR+SL+SR
7.0(front)  FL+FR+FC+FLC+FRC+SL+SR
7.1         FL+FR+FC+LFE+BL+BR+SL+SR
7.1(wide)   FL+FR+FC+LFE+BL+BR+FLC+FRC
7.1(wide-side)FL+FR+FC+LFE+FLC+FRC+SL+SR
octagonal   FL+FR+FC+BL+BR+BC+SL+SR
downmix     DL+DR
