install prefix            /home/fate/alpha-uubuntu-qemu-gcc-n6.1/install
source path               /home/fate/ffmpeg
C compiler                ccache alpha-linux-gnu-gcc
C library                 glibc
host C compiler           gcc
host C library            glibc
ARCH                      alpha (generic)
big-endian                no
runtime cpu detection     yes
debug symbols             no
strip symbols             yes
optimize for size         no
optimizations             yes
static                    yes
shared                    no
postprocessing support    yes
network support           yes
threading support         pthreads
safe bitstream reader     yes
texi2html enabled         no
perl enabled              yes
pod2man enabled           yes
makeinfo enabled          no
makeinfo supports HTML    no
xmllint enabled           no

External libraries:

External libraries providing hardware acceleration:
cuda_llvm               v4l2_m2m

Libraries:
avcodec                 avformat                swresample
avdevice                avutil                  swscale
avfilter                postproc

Programs:
ffmpeg                  ffprobe

Enabled decoders:
aac                     ffwavesynth             pfm
aac_fixed               fic                     pgm
aac_latm                fits                    pgmyuv
aasc                    flac                    pgssub
ac3                     flic                    pgx
ac3_fixed               flv                     phm
acelp_kelvin            fmvc                    photocd
adpcm_4xm               fourxm                  pictor
adpcm_adx               fraps                   pixlet
adpcm_afc               frwu                    pjs
adpcm_agm               ftr                     ppm
adpcm_aica              g723_1                  prores
adpcm_argo              g729                    prosumer
adpcm_ct                gdv                     psd
adpcm_dtk               gem                     ptx
adpcm_ea                gif                     qcelp
adpcm_ea_maxis_xa       gremlin_dpcm            qdm2
adpcm_ea_r1             gsm                     qdmc
adpcm_ea_r2             gsm_ms                  qdraw
adpcm_ea_r3             h261                    qoi
adpcm_ea_xas            h263                    qpeg
adpcm_g722              h263_v4l2m2m            qtrle
adpcm_g726              h263i                   r10k
adpcm_g726le            h263p                   r210
adpcm_ima_acorn         h264                    ra_144
adpcm_ima_alp           h264_v4l2m2m            ra_288
adpcm_ima_amv           hap                     ralf
adpcm_ima_apc           hca                     rawvideo
adpcm_ima_apm           hcom                    realtext
adpcm_ima_cunning       hdr                     rka
adpcm_ima_dat4          hevc                    rl2
adpcm_ima_dk3           hevc_v4l2m2m            roq
adpcm_ima_dk4           hnm4_video              roq_dpcm
adpcm_ima_ea_eacs       hq_hqa                  rpza
adpcm_ima_ea_sead       hqx                     rtv1
adpcm_ima_iss           huffyuv                 rv10
adpcm_ima_moflex        hymt                    rv20
adpcm_ima_mtf           iac                     rv30
adpcm_ima_oki           idcin                   rv40
adpcm_ima_qt            idf                     s302m
adpcm_ima_rad           iff_ilbm                sami
adpcm_ima_smjpeg        ilbc                    sanm
adpcm_ima_ssi           imc                     sbc
adpcm_ima_wav           imm4                    scpr
adpcm_ima_ws            imm5                    sdx2_dpcm
adpcm_ms                indeo2                  sga
adpcm_mtaf              indeo3                  sgi
adpcm_psx               indeo4                  sgirle
adpcm_sbpro_2           indeo5                  sheervideo
adpcm_sbpro_3           interplay_acm           shorten
adpcm_sbpro_4           interplay_dpcm          simbiosis_imx
adpcm_swf               interplay_video         sipr
adpcm_thp               ipu                     siren
adpcm_thp_le            jacosub                 smackaud
adpcm_vima              jpeg2000                smacker
adpcm_xa                jpegls                  smc
adpcm_xmd               jv                      smvjpeg
adpcm_yamaha            kgv1                    snow
adpcm_zork              kmvc                    sol_dpcm
agm                     lagarith                sonic
aic                     loco                    sp5x
alac                    m101                    speedhq
alias_pix               mace3                   speex
als                     mace6                   srt
amrnb                   magicyuv                ssa
amrwb                   mdec                    stl
amv                     media100                subrip
anm                     metasound               subviewer
ansi                    microdvd                subviewer1
anull                   mimic                   sunrast
apac                    misc4                   svq1
ape                     mjpeg                   svq3
aptx                    mjpegb                  tak
aptx_hd                 mlp                     targa
arbc                    mmvideo                 targa_y216
argo                    mobiclip                text
ass                     motionpixels            theora
asv1                    movtext                 thp
asv2                    mp1                     tiertexseqvideo
atrac1                  mp1float                tiff
atrac3                  mp2                     tmv
atrac3al                mp2float                truehd
atrac3p                 mp3                     truemotion1
atrac3pal               mp3adu                  truemotion2
atrac9                  mp3adufloat             truemotion2rt
aura                    mp3float                truespeech
aura2                   mp3on4                  tscc2
av1                     mp3on4float             tta
avrn                    mpc7                    twinvq
avrp                    mpc8                    txd
avs                     mpeg1_v4l2m2m           ulti
avui                    mpeg1video              utvideo
ayuv                    mpeg2_v4l2m2m           v210
bethsoftvid             mpeg2video              v210x
bfi                     mpeg4                   v308
bink                    mpeg4_v4l2m2m           v408
binkaudio_dct           mpegvideo               v410
binkaudio_rdft          mpl2                    vb
bintext                 msa1                    vble
bitpacked               msmpeg4v1               vbn
bmp                     msmpeg4v2               vc1
bmv_audio               msmpeg4v3               vc1_v4l2m2m
bmv_video               msnsiren                vc1image
bonk                    msp2                    vcr1
brender_pix             msrle                   vmdaudio
c93                     mss1                    vmdvideo
cavs                    mss2                    vmix
cbd2_dpcm               msvideo1                vmnc
ccaption                mszh                    vnull
cdgraphics              mts2                    vorbis
cdtoons                 mv30                    vp3
cdxl                    mvc1                    vp4
cfhd                    mvc2                    vp5
cinepak                 mvdv                    vp6
clearvideo              mxpeg                   vp6a
cljr                    nellymoser              vp6f
cllc                    notchlc                 vp7
comfortnoise            nuv                     vp8
cook                    on2avc                  vp8_v4l2m2m
cpia                    opus                    vp9
cri                     osq                     vp9_v4l2m2m
cscd                    paf_audio               vplayer
cyuv                    paf_video               vqa
dca                     pam                     vqc
dds                     pbm                     wady_dpcm
derf_dpcm               pcm_alaw                wavarc
dfa                     pcm_bluray              wavpack
dfpwm                   pcm_dvd                 wbmp
dirac                   pcm_f16le               webp
dnxhd                   pcm_f24le               webvtt
dolby_e                 pcm_f32be               wmalossless
dpx                     pcm_f32le               wmapro
dsd_lsbf                pcm_f64be               wmav1
dsd_lsbf_planar         pcm_f64le               wmav2
dsd_msbf                pcm_lxf                 wmavoice
dsd_msbf_planar         pcm_mulaw               wmv1
dsicinaudio             pcm_s16be               wmv2
dsicinvideo             pcm_s16be_planar        wmv3
dss_sp                  pcm_s16le               wmv3image
dst                     pcm_s16le_planar        wnv1
dvaudio                 pcm_s24be               wrapped_avframe
dvbsub                  pcm_s24daud             ws_snd1
dvdsub                  pcm_s24le               xan_dpcm
dvvideo                 pcm_s24le_planar        xan_wc3
dxtory                  pcm_s32be               xan_wc4
dxv                     pcm_s32le               xbin
eac3                    pcm_s32le_planar        xbm
eacmv                   pcm_s64be               xface
eamad                   pcm_s64le               xl
eatgq                   pcm_s8                  xma1
eatgv                   pcm_s8_planar           xma2
eatqi                   pcm_sga                 xpm
eightbps                pcm_u16be               xsub
eightsvx_exp            pcm_u16le               xwd
eightsvx_fib            pcm_u24be               y41p
escape124               pcm_u24le               ylc
escape130               pcm_u32be               yop
evrc                    pcm_u32le               yuv4
fastaudio               pcm_u8                  zero12v
ffv1                    pcm_vidc
ffvhuff                 pcx

Enabled encoders:
a64multi                hevc_v4l2m2m            ppm
a64multi5               huffyuv                 prores
aac                     jpeg2000                prores_aw
ac3                     jpegls                  prores_ks
ac3_fixed               ljpeg                   qoi
adpcm_adx               magicyuv                qtrle
adpcm_argo              mjpeg                   r10k
adpcm_g722              mlp                     r210
adpcm_g726              movtext                 ra_144
adpcm_g726le            mp2                     rawvideo
adpcm_ima_alp           mp2fixed                roq
adpcm_ima_amv           mpeg1video              roq_dpcm
adpcm_ima_apm           mpeg2video              rpza
adpcm_ima_qt            mpeg4                   rv10
adpcm_ima_ssi           mpeg4_v4l2m2m           rv20
adpcm_ima_wav           msmpeg4v2               s302m
adpcm_ima_ws            msmpeg4v3               sbc
adpcm_ms                msrle                   sgi
adpcm_swf               msvideo1                smc
adpcm_yamaha            nellymoser              snow
alac                    opus                    sonic
alias_pix               pam                     sonic_ls
amv                     pbm                     speedhq
anull                   pcm_alaw                srt
aptx                    pcm_bluray              ssa
aptx_hd                 pcm_dvd                 subrip
ass                     pcm_f32be               sunrast
asv1                    pcm_f32le               svq1
asv2                    pcm_f64be               targa
avrp                    pcm_f64le               text
avui                    pcm_mulaw               tiff
ayuv                    pcm_s16be               truehd
bitpacked               pcm_s16be_planar        tta
bmp                     pcm_s16le               ttml
cfhd                    pcm_s16le_planar        utvideo
cinepak                 pcm_s24be               v210
cljr                    pcm_s24daud             v308
comfortnoise            pcm_s24le               v408
dca                     pcm_s24le_planar        v410
dfpwm                   pcm_s32be               vbn
dnxhd                   pcm_s32le               vc2
dpx                     pcm_s32le_planar        vnull
dvbsub                  pcm_s64be               vorbis
dvdsub                  pcm_s64le               vp8_v4l2m2m
dvvideo                 pcm_s8                  wavpack
eac3                    pcm_s8_planar           wbmp
ffv1                    pcm_u16be               webvtt
ffvhuff                 pcm_u16le               wmav1
fits                    pcm_u24be               wmav2
flac                    pcm_u24le               wmv1
flv                     pcm_u32be               wmv2
g723_1                  pcm_u32le               wrapped_avframe
gif                     pcm_u8                  xbm
h261                    pcm_vidc                xface
h263                    pcx                     xsub
h263_v4l2m2m            pfm                     xwd
h263p                   pgm                     y41p
h264_v4l2m2m            pgmyuv                  yuv4
hdr                     phm

Enabled hwaccels:

Enabled parsers:
aac                     dvdsub                  mpegaudio
aac_latm                evc                     mpegvideo
ac3                     flac                    opus
adx                     ftr                     png
amr                     g723_1                  pnm
av1                     g729                    qoi
avs2                    gif                     rv34
avs3                    gsm                     sbc
bmp                     h261                    sipr
cavsvideo               h263                    tak
cook                    h264                    vc1
cri                     hdr                     vorbis
dca                     hevc                    vp3
dirac                   ipu                     vp8
dnxhd                   jpeg2000                vp9
dolby_e                 jpegxl                  vvc
dpx                     misc4                   webp
dvaudio                 mjpeg                   xbm
dvbsub                  mlp                     xma
dvd_nav                 mpeg4video              xwd

Enabled demuxers:
aa                      idf                     pcm_s16be
aac                     iff                     pcm_s16le
aax                     ifv                     pcm_s24be
ac3                     ilbc                    pcm_s24le
ac4                     image2                  pcm_s32be
ace                     image2_alias_pix        pcm_s32le
acm                     image2_brender_pix      pcm_s8
act                     image2pipe              pcm_u16be
adf                     image_bmp_pipe          pcm_u16le
adp                     image_cri_pipe          pcm_u24be
ads                     image_dds_pipe          pcm_u24le
adx                     image_dpx_pipe          pcm_u32be
aea                     image_exr_pipe          pcm_u32le
afc                     image_gem_pipe          pcm_u8
aiff                    image_gif_pipe          pcm_vidc
aix                     image_hdr_pipe          pdv
alp                     image_j2k_pipe          pjs
amr                     image_jpeg_pipe         pmp
amrnb                   image_jpegls_pipe       pp_bnk
amrwb                   image_jpegxl_pipe       pva
anm                     image_pam_pipe          pvf
apac                    image_pbm_pipe          qcp
apc                     image_pcx_pipe          r3d
ape                     image_pfm_pipe          rawvideo
apm                     image_pgm_pipe          realtext
apng                    image_pgmyuv_pipe       redspark
aptx                    image_pgx_pipe          rka
aptx_hd                 image_phm_pipe          rl2
aqtitle                 image_photocd_pipe      rm
argo_asf                image_pictor_pipe       roq
argo_brp                image_png_pipe          rpl
argo_cvg                image_ppm_pipe          rsd
asf                     image_psd_pipe          rso
asf_o                   image_qdraw_pipe        rtp
ass                     image_qoi_pipe          rtsp
ast                     image_sgi_pipe          s337m
au                      image_sunrast_pipe      sami
av1                     image_svg_pipe          sap
avi                     image_tiff_pipe         sbc
avr                     image_vbn_pipe          sbg
avs                     image_webp_pipe         scc
avs2                    image_xbm_pipe          scd
avs3                    image_xpm_pipe          sdns
bethsoftvid             image_xwd_pipe          sdp
bfi                     ingenient               sdr2
bfstm                   ipmovie                 sds
bink                    ipu                     sdx
binka                   ircam                   segafilm
bintext                 iss                     ser
bit                     iv8                     sga
bitpacked               ivf                     shorten
bmv                     ivr                     siff
boa                     jacosub                 simbiosis_imx
bonk                    jpegxl_anim             sln
brstm                   jv                      smacker
c93                     kux                     smjpeg
caf                     kvag                    smush
cavsvideo               laf                     sol
cdg                     live_flv                sox
cdxl                    lmlm4                   spdif
cine                    loas                    srt
codec2                  lrc                     stl
codec2raw               luodat                  str
concat                  lvf                     subviewer
data                    lxf                     subviewer1
daud                    m4v                     sup
dcstr                   matroska                svag
derf                    mca                     svs
dfa                     mcc                     swf
dfpwm                   mgsts                   tak
dhav                    microdvd                tedcaptions
dirac                   mjpeg                   thp
dnxhd                   mjpeg_2000              threedostr
dsf                     mlp                     tiertexseq
dsicin                  mlv                     tmv
dss                     mm                      truehd
dts                     mmf                     tta
dtshd                   mods                    tty
dv                      moflex                  txd
dvbsub                  mov                     ty
dvbtxt                  mp3                     usm
dxa                     mpc                     v210
ea                      mpc8                    v210x
ea_cdata                mpegps                  vag
eac3                    mpegts                  vc1
epaf                    mpegtsraw               vc1t
evc                     mpegvideo               vividas
ffmetadata              mpjpeg                  vivo
filmstrip               mpl2                    vmd
fits                    mpsub                   vobsub
flac                    msf                     voc
flic                    msnwc_tcp               vpk
flv                     msp                     vplayer
fourxm                  mtaf                    vqf
frm                     mtv                     vvc
fsb                     musx                    w64
fwse                    mv                      wady
g722                    mvi                     wav
g723_1                  mxf                     wavarc
g726                    mxg                     wc3
g726le                  nc                      webm_dash_manifest
g729                    nistsphere              webvtt
gdv                     nsp                     wsaud
genh                    nsv                     wsd
gif                     nut                     wsvqa
gsm                     nuv                     wtv
gxf                     obu                     wv
h261                    ogg                     wve
h263                    oma                     xa
h264                    osq                     xbin
hca                     paf                     xmd
hcom                    pcm_alaw                xmv
hevc                    pcm_f32be               xvag
hls                     pcm_f32le               xwma
hnm                     pcm_f64be               yop
ico                     pcm_f64le               yuv4mpegpipe
idcin                   pcm_mulaw

Enabled muxers:
a64                     h261                    pcm_s16le
ac3                     h263                    pcm_s24be
ac4                     h264                    pcm_s24le
adts                    hash                    pcm_s32be
adx                     hds                     pcm_s32le
aiff                    hevc                    pcm_s8
alp                     hls                     pcm_u16be
amr                     ico                     pcm_u16le
amv                     ilbc                    pcm_u24be
apm                     image2                  pcm_u24le
apng                    image2pipe              pcm_u32be
aptx                    ipod                    pcm_u32le
aptx_hd                 ircam                   pcm_u8
argo_asf                ismv                    pcm_vidc
argo_cvg                ivf                     psp
asf                     jacosub                 rawvideo
asf_stream              kvag                    rm
ass                     latm                    roq
ast                     lrc                     rso
au                      m4v                     rtp
avi                     matroska                rtp_mpegts
avif                    matroska_audio          rtsp
avm2                    md5                     sap
avs2                    microdvd                sbc
avs3                    mjpeg                   scc
bit                     mkvtimestamp_v2         segafilm
caf                     mlp                     segment
cavsvideo               mmf                     smjpeg
codec2                  mov                     smoothstreaming
codec2raw               mp2                     sox
crc                     mp3                     spdif
dash                    mp4                     spx
data                    mpeg1system             srt
daud                    mpeg1vcd                stream_segment
dfpwm                   mpeg1video              streamhash
dirac                   mpeg2dvd                sup
dnxhd                   mpeg2svcd               swf
dts                     mpeg2video              tee
dv                      mpeg2vob                tg2
eac3                    mpegts                  tgp
evc                     mpjpeg                  truehd
f4v                     mxf                     tta
ffmetadata              mxf_d10                 ttml
fifo                    mxf_opatom              uncodedframecrc
fifo_test               null                    vc1
filmstrip               nut                     vc1t
fits                    obu                     voc
flac                    oga                     vvc
flv                     ogg                     w64
framecrc                ogv                     wav
framehash               oma                     webm
framemd5                opus                    webm_chunk
g722                    pcm_alaw                webm_dash_manifest
g723_1                  pcm_f32be               webp
g726                    pcm_f32le               webvtt
g726le                  pcm_f64be               wsaud
gif                     pcm_f64le               wtv
gsm                     pcm_mulaw               wv
gxf                     pcm_s16be               yuv4mpegpipe

Enabled protocols:
async                   gopher                  rtmp
cache                   hls                     rtmpt
concat                  http                    rtp
concatf                 httpproxy               srtp
crypto                  icecast                 subfile
data                    md5                     tcp
fd                      mmsh                    tee
ffrtmphttp              mmst                    udp
file                    pipe                    udplite
ftp                     prompeg                 unix

Enabled filters:
a3dscope                cover_rect              nullsink
abench                  crop                    nullsrc
abitscope               cropdetect              oscilloscope
acompressor             crossfeed               overlay
acontrast               crystalizer             owdenoise
acopy                   cue                     pad
acrossfade              curves                  pal100bars
acrossover              datascope               pal75bars
acrusher                dblur                   palettegen
acue                    dcshift                 paletteuse
addroi                  dctdnoiz                pan
adeclick                deband                  perms
adeclip                 deblock                 perspective
adecorrelate            decimate                phase
adelay                  deconvolve              photosensitivity
adenorm                 dedot                   pixdesctest
aderivative             deesser                 pixelize
adrawgraph              deflate                 pixscope
adrc                    deflicker               pp
adynamicequalizer       dejudder                pp7
adynamicsmooth          delogo                  premultiply
aecho                   derain                  prewitt
aemphasis               deshake                 pseudocolor
aeval                   despill                 psnr
aevalsrc                detelecine              pullup
aexciter                dialoguenhance          qp
afade                   dilation                random
afdelaysrc              displace                readeia608
afftdn                  dnn_classify            readvitc
afftfilt                dnn_detect              realtime
afifo                   dnn_processing          remap
afir                    doubleweave             removegrain
afireqsrc               drawbox                 removelogo
afirsrc                 drawgraph               repeatfields
aformat                 drawgrid                replaygain
afreqshift              drmeter                 reverse
afwtdn                  dynaudnorm              rgbashift
agate                   earwax                  rgbtestsrc
agraphmonitor           ebur128                 roberts
ahistogram              edgedetect              rotate
aiir                    elbg                    sab
aintegral               entropy                 scale
ainterleave             epx                     scale2ref
alatency                eq                      scdet
alimiter                equalizer               scharr
allpass                 erosion                 scroll
allrgb                  estdif                  segment
allyuv                  exposure                select
aloop                   extractplanes           selectivecolor
alphaextract            extrastereo             sendcmd
alphamerge              fade                    separatefields
amerge                  feedback                setdar
ametadata               fftdnoiz                setfield
amix                    fftfilt                 setparams
amovie                  field                   setpts
amplify                 fieldhint               setrange
amultiply               fieldmatch              setsar
anequalizer             fieldorder              settb
anlmdn                  fifo                    shear
anlmf                   fillborders             showcqt
anlms                   find_rect               showcwt
anoisesrc               firequalizer            showfreqs
anull                   flanger                 showinfo
anullsink               floodfill               showpalette
anullsrc                format                  showspatial
apad                    fps                     showspectrum
aperms                  framepack               showspectrumpic
aphasemeter             framerate               showvolume
aphaser                 framestep               showwaves
aphaseshift             freezedetect            showwavespic
apsnr                   freezeframes            shuffleframes
apsyclip                fspp                    shufflepixels
apulsator               gblur                   shuffleplanes
arealtime               geq                     sidechaincompress
aresample               gradfun                 sidechaingate
areverse                gradients               sidedata
arls                    graphmonitor            sierpinski
arnndn                  grayworld               signalstats
asdr                    greyedge                signature
asegment                guided                  silencedetect
aselect                 haas                    silenceremove
asendcmd                haldclut                sinc
asetnsamples            haldclutsrc             sine
asetpts                 hdcd                    siti
asetrate                headphone               smartblur
asettb                  hflip                   smptebars
ashowinfo               highpass                smptehdbars
asidedata               highshelf               sobel
asisdr                  hilbert                 spectrumsynth
asoftclip               histeq                  speechnorm
aspectralstats          histogram               split
asplit                  hqdn3d                  spp
astats                  hqx                     sr
astreamselect           hstack                  ssim
asubboost               hsvhold                 ssim360
asubcut                 hsvkey                  stereo3d
asupercut               hue                     stereotools
asuperpass              huesaturation           stereowiden
asuperstop              hwdownload              streamselect
atadenoise              hwmap                   super2xsai
atempo                  hwupload                superequalizer
atilt                   hysteresis              surround
atrim                   identity                swaprect
avectorscope            idet                    swapuv
avgblur                 il                      tblend
avsynctest              inflate                 telecine
axcorrelate             interlace               testsrc
backgroundkey           interleave              testsrc2
bandpass                join                    thistogram
bandreject              kerndeint               threshold
bass                    kirsch                  thumbnail
bbox                    lagfun                  tile
bench                   latency                 tiltshelf
bilateral               lenscorrection          tinterlace
biquad                  life                    tlut2
bitplanenoise           limitdiff               tmedian
blackdetect             limiter                 tmidequalizer
blackframe              loop                    tmix
blend                   loudnorm                tonemap
blockdetect             lowpass                 tpad
blurdetect              lowshelf                transpose
bm3d                    lumakey                 treble
boxblur                 lut                     tremolo
bwdif                   lut1d                   trim
cas                     lut2                    unpremultiply
ccrepack                lut3d                   unsharp
cellauto                lutrgb                  untile
channelmap              lutyuv                  uspp
channelsplit            mandelbrot              v360
chorus                  maskedclamp             vaguedenoiser
chromahold              maskedmax               varblur
chromakey               maskedmerge             vectorscope
chromanr                maskedmin               vflip
chromashift             maskedthreshold         vfrdet
ciescope                maskfun                 vibrance
codecview               mcdeint                 vibrato
color                   mcompand                vif
colorbalance            median                  vignette
colorchannelmixer       mergeplanes             virtualbass
colorchart              mestimate               vmafmotion
colorcontrast           metadata                volume
colorcorrect            midequalizer            volumedetect
colorhold               minterpolate            vstack
colorize                mix                     w3fdif
colorkey                monochrome              waveform
colorlevels             morpho                  weave
colormap                movie                   xbr
colormatrix             mpdecimate              xcorrelate
colorspace              mptestsrc               xfade
colorspectrum           msad                    xmedian
colortemperature        multiply                xstack
compand                 negate                  yadif
compensationdelay       nlmeans                 yaepblur
concat                  nnedi                   yuvtestsrc
convolution             noformat                zoneplate
convolve                noise                   zoompan
copy                    normalize
corr                    null

Enabled bsfs:
aac_adtstoasc           h264_redundant_pps      pcm_rechunk
av1_frame_merge         hapqa_extract           pgs_frame_merge
av1_frame_split         hevc_metadata           prores_metadata
av1_metadata            hevc_mp4toannexb        remove_extradata
chomp                   imx_dump_header         setts
dca_core                media100_to_mjpegb      text2movsub
dts2pts                 mjpeg2jpeg              trace_headers
dump_extradata          mjpega_dump_header      truehd_core
dv_error_marker         mov2textsub             vp9_metadata
eac3_core               mp3_header_decompress   vp9_raw_reorder
evc_frame_merge         mpeg2_metadata          vp9_superframe
extract_extradata       mpeg4_unpack_bframes    vp9_superframe_split
filter_units            noise                   vvc_metadata
h264_metadata           null                    vvc_mp4toannexb
h264_mp4toannexb        opus_metadata

Enabled indevs:
fbdev                   oss
lavfi                   v4l2

Enabled outdevs:
fbdev                   oss                     v4l2

License: GPL version 2 or later

WARNING: /usr/alpha-linux-gnu/bin/pkg-config not found, library detection may fail.