有這麼多！
./configure --list-decoders
可以在編譯的時候，將用不到的解碼器全部禁用掉。
./configure --disable-decoder=XXX
以下是解碼器：
aac cook
libopus
aac_latm cscd
libschroedinger
aasc cyuv
libspeex
ac3 dca
libvpx_vp8
adpcm_4xm dfa
libvpx_vp9
adpcm_adx dnxhd
loco
adpcm_ct dpx
mace3
adpcm_ea dsicinaudio
mace6
adpcm_ea_maxis_xa dsicinvideo
mdec
adpcm_ea_r1 dvbsub
mimic
adpcm_ea_r2 dvdsub
mjpeg
adpcm_ea_r3 dvvideo
mjpegb
adpcm_ea_xas dxa
mlp
adpcm_g722 dxtory
mmvideo
adpcm_g726 eac3
motionpixels
adpcm_ima_amv eacmv
mp1
adpcm_ima_apc eamad
mp1float
adpcm_ima_dk3 eatgq
mp2
adpcm_ima_dk4 eatgv
mp2float
adpcm_ima_ea_eacs eatqi
mp3
adpcm_ima_ea_sead eightbps
mp3adu
adpcm_ima_iss eightsvx_exp
mp3adufloat
adpcm_ima_qt eightsvx_fib
mp3float
adpcm_ima_smjpeg escape124
mp3on4
adpcm_ima_wav ffv1
mp3on4float
adpcm_ima_ws ffvhuff
mpc7
adpcm_ms flac
mpc8
adpcm_sbpro_2 flashsv
mpeg1_vdpau
adpcm_sbpro_3 flashsv2
mpeg1video
adpcm_sbpro_4 flic
mpeg2video
adpcm_swf flv
mpeg4
adpcm_thp fourxm
mpeg4_vdpau
adpcm_xa fraps
mpeg_vdpau
adpcm_yamaha frwu
mpeg_xvmc
alac g723_1
msa1
als gif
msmpeg4v1
amrnb gsm
msmpeg4v2
amrwb gsm_ms
msmpeg4v3
amv h261
msrle
anm h263
mss1
ansi h263i
mss2
ape h264
msvideo1
ass h264_vdpau
mszh
asv1 huffyuv
mts2
asv2 iac
mxpeg
atrac1 idcin
nellymoser
atrac3 iff_byterun1
nuv
aura iff_ilbm
pam
aura2 imc
pbm
avs indeo2
pcm_alaw
bethsoftvid indeo3
pcm_bluray
bfi indeo4
pcm_dvd
bink indeo5
pcm_f32be
binkaudio_dct interplay_dpcm
pcm_f32le
binkaudio_rdft interplay_video
pcm_f64be
bmp jpegls
pcm_f64le
bmv_audio jv
pcm_lxf
bmv_video kgv1
pcm_mulaw
c93 kmvc
pcm_s16be
cavs lagarith
pcm_s16le
cdgraphics libgsm
pcm_s16le_planar
cdxl libgsm_ms
pcm_s24be
cinepak libilbc
pcm_s24daud
cljr libopencore_amrnb
pcm_s24le
cllc libopencore_amrwb
pcm_s32be
comfortnoise libopenjpeg
pcm_s32le
pcm_s8 s302m
vc1_vdpau
pcm_s8_planar sgi
vc1image
pcm_u16be shorten
vcr1
pcm_u16le sipr
vmdaudio
pcm_u24be smackaud
vmdvideo
pcm_u24le smacker
vmnc
pcm_u32be smc
vorbis
pcm_u32le sol_dpcm
vp3
pcm_u8 sp5x
vp5
pcm_zork srt
vp6
pcx sunrast
vp6a
pgm svq1
vp6f
pgmyuv svq3
vp8
pgssub tak
vqa
pictor targa
wavpack
png theora
wmalossless
ppm thp
wmapro
prores tiertexseqvideo
wmav1
ptx tiff
wmav2
qcelp tmv
wmavoice
qdm2 truehd
wmv1
qdraw truemotion1
wmv2
qpeg truemotion2
wmv3
qtrle truespeech
wmv3_vdpau
r10k tscc
wmv3image
r210 tscc2
wnv1
ra_144 tta
ws_snd1
ra_288 twinvq
xan_dpcm
ralf txd
xan_wc3
rawvideo ulti
xan_wc4
rl2 utvideo
xl
roq v210
xsub
roq_dpcm v210x
xwd
rpza v410
yop
rv10 vb
zerocodec
rv20 vble
zlib
rv30 vc1
zmbv
rv40