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Mis à jour : Septembre 2011
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Autres articles (15)
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Publier sur MédiaSpip
13 juin 2013Puis-je poster des contenus à partir d’une tablette Ipad ?
Oui, si votre Médiaspip installé est à la version 0.2 ou supérieure. Contacter au besoin l’administrateur de votre MédiaSpip pour le savoir -
Ajouter notes et légendes aux images
7 février 2011, parPour pouvoir ajouter notes et légendes aux images, la première étape est d’installer le plugin "Légendes".
Une fois le plugin activé, vous pouvez le configurer dans l’espace de configuration afin de modifier les droits de création / modification et de suppression des notes. Par défaut seuls les administrateurs du site peuvent ajouter des notes aux images.
Modification lors de l’ajout d’un média
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Les formats acceptés
28 janvier 2010, parLes commandes suivantes permettent d’avoir des informations sur les formats et codecs gérés par l’installation local de ffmpeg :
ffmpeg -codecs ffmpeg -formats
Les format videos acceptés en entrée
Cette liste est non exhaustive, elle met en exergue les principaux formats utilisés : h264 : H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 m4v : raw MPEG-4 video format flv : Flash Video (FLV) / Sorenson Spark / Sorenson H.263 Theora wmv :
Les formats vidéos de sortie possibles
Dans un premier temps on (...)
Sur d’autres sites (2718)
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ffmpeg gd support disabled
29 octobre 2012, par user1783417I have installed ffmpeg, imagic, and ffmpeg-php. It works, but I have a problem : GD support is disabled.
Here are my
phpinfo()
rows :ffmpeg
ffmpeg-php version 0.7.0
ffmpeg-php built on Oct 29 2012 14:22:26
ffmpeg-php gd support disabled
ffmpeg libavcodec version Lavc54.59.100
ffmpeg libavcodec license nonfree and unredistributable
ffmpeg libavformat version Lavf54.29.104
ffmpeg libavformat license nonfree and unredistributable
ffmpeg swscaler version SwS2.1.101
ffmpeg swscaler license nonfree and unredistributable
ffmpeg codec_list a64multi(v), a64multi5(v), aasc(v), amv(v), amv(v), anm(v), ansi(v), asv1(v), asv1(v), asv2(v), asv2(v), aura(v), aura2(v), avrp(v), avrp(v), avrn(v), avs(v), avui(v), avui(v), ayuv(v), ayuv(v), bethsoftvid(v), bfi(v), binkvideo(v), bmp(v), bmp(v), bmv_video(v), c93(v), cavs(v), cdgraphics(v), cdxl(v), cinepak(v), cljr(v), cljr(v), cllc(v), cpia(v), camstudio(v), cyuv(v), dfa(v), dirac(v), dnxhd(v), dnxhd(v), dpx(v), dpx(v), dsicinvideo(v), dvvideo(v), dvvideo(v), dxa(v), dxtory(v), eacmv(v), eamad(v), eatgq(v), eatgv(v), eatqi(v), 8bps(v), 8svx_exp(a), 8svx_fib(a), escape124(v), escape130(v), exr(v), ffv1(v), ffv1(v), ffvhuff(v), ffvhuff(v), flashsv(v), flashsv(v), flashsv2(v), flashsv2(v), flic(v), flv(v), flv(v), 4xm(v), fraps(v), frwu(v), gif(v), gif(v), h261(v), h261(v), h263(v), h263(v), h263i(v), h263p(v), h263p(v), h264(v), h264_vda(v), huffyuv(v), huffyuv(v), idcinvideo(v), iff_byterun1(v), iff_ilbm(v), indeo2(v), indeo3(v), indeo4(v), indeo5(v), interplayvideo(v), j2k(v), j2k(v), jpegls(v), jpegls(v), jv(v), kgv1(v), kmvc(v), lagarith(v), ljpeg(v), loco(v), mdec(v), mimic(v), mjpeg(v), mjpeg(v), mjpegb(v), mmvideo(v), motionpixels(v), mpegvideo_xvmc(v), mpeg1video(v), mpeg1video(v), mpeg2video(v), mpeg2video(v), mpeg4(v), mpeg4(v), mpegvideo(v), msa1(v), msmpeg4v1(v), msmpeg4v2(v), msmpeg4v2(v), msmpeg4(v), msmpeg4(v), msrle(v), mss1(v), mss2(v), msvideo1(v), msvideo1(v), mszh(v), mts2(v), mxpeg(v), nuv(v), paf_video(v), pam(v), pam(v), pbm(v), pbm(v), pcx(v), pcx(v), pgm(v), pgm(v), pgmyuv(v), pgmyuv(v), pictor(v), png(v), png(v), ppm(v), ppm(v), prores(v), prores(v), prores_anatoliy(v), prores_kostya(v), prores_lgpl(v), ptx(v), qdraw(v), qpeg(v), qtrle(v), qtrle(v), r10k(v), r10k(v), r210(v), r210(v), rawvideo(v), rawvideo(v), rl2(v), roqvideo(v), roqvideo(v), rpza(v), rv10(v), rv10(v), rv20(v), rv20(v), rv30(v), rv40(v), s302m(a), sanm(v), sgi(v), sgi(v), smackvid(v), smc(v), snow(v), snow(v), sp5x(v), sunrast(v), sunrast(v), svq1(v), svq1(v), svq3(v), targa(v), targa(v), theora(v), thp(v), tiertexseqvideo(v), tiff(v), tiff(v), tmv(v), truemotion1(v), truemotion2(v), camtasia(v), tscc2(v), txd(v), ultimotion(v), utvideo(v), utvideo(v), v210(v), v210(v), v210x(v), v308(v), v308(v), v408(v), v408(v), v410(v), v410(v), vb(v), vble(v), vc1(v), vc1image(v), vcr1(v), vmdvideo(v), vmnc(v), vp3(v), vp5(v), vp6(v), vp6a(v), vp6f(v), vp8(v), vqavideo(v), wmv1(v), wmv1(v), wmv2(v), wmv2(v), wmv3(v), wmv3image(v), wnv1(v), xan_wc3(v), xan_wc4(v), xbm(v), xbm(v), xl(v), xwd(v), xwd(v), y41p(v), y41p(v), yop(v), yuv4(v), yuv4(v), zerocodec(v), zlib(v), zlib(v), zmbv(v), zmbv(v), aac(a), aac(a), aac_latm(a), ac3(a), ac3(a), ac3_fixed(a), alac(a), alac(a), als(a), amrnb(a), amrwb(a), ape(a), atrac1(a), atrac3(a), binkaudio_dct(a), binkaudio_rdft(a), bmv_audio(a), cook(a), dca(a), dca(a), dsicinaudio(a), eac3(a), eac3(a), wavesynth(a), flac(a), flac(a), g723_1(a), g723_1(a), g729(a), gsm(a), gsm_ms(a), iac(a), imc(a), mace3(a), mace6(a), mlp(a), mp1(a), mp1float(a), mp2(a), mp2(a), mp2float(a), mp3(a), mp3float(a), mp3adu(a), mp3adufloat(a), mp3on4(a), mp3on4float(a), mpc7(a), mpc8(a), nellymoser(a), nellymoser(a), paf_audio(a), qcelp(a), qdm2(a), real_144(a), real_144(a), real_288(a), ralf(a), shorten(a), sipr(a), smackaud(a), sonic(a), sonic(a), sonicls(a), truehd(a), truespeech(a), tta(a), twinvq(a), vmdaudio(a), vorbis(a), vorbis(a), wavpack(a), wmalossless(a), wmapro(a), wmav1(a), wmav1(a), wmav2(a), wmav2(a), wmavoice(a), ws_snd1(a), pcm_alaw(a), pcm_alaw(a), pcm_bluray(a), pcm_dvd(a), pcm_f32be(a), pcm_f32be(a), pcm_f32le(a), pcm_f32le(a), pcm_f64be(a), pcm_f64be(a), pcm_f64le(a), pcm_f64le(a), pcm_lxf(a), pcm_mulaw(a), pcm_mulaw(a), pcm_s8(a), pcm_s8(a), pcm_s8_planar(a), pcm_s16be(a), pcm_s16be(a), pcm_s16le(a), pcm_s16le(a), pcm_s16le_planar(a), pcm_s24be(a), pcm_s24be(a), pcm_s24daud(a), pcm_s24daud(a), pcm_s24le(a), pcm_s24le(a), pcm_s32be(a), pcm_s32be(a), pcm_s32le(a), pcm_s32le(a), pcm_u8(a), pcm_u8(a), pcm_u16be(a), pcm_u16be(a), pcm_u16le(a), pcm_u16le(a), pcm_u24be(a), pcm_u24be(a), pcm_u24le(a), pcm_u24le(a), pcm_u32be(a), pcm_u32be(a), pcm_u32le(a), pcm_u32le(a), pcm_zork(a), interplay_dpcm(a), roq_dpcm(a), roq_dpcm(a), sol_dpcm(a), xan_dpcm(a), adpcm_4xm(a), adpcm_adx(a), adpcm_adx(a), adpcm_ct(a), adpcm_ea(a), adpcm_ea_maxis_xa(a), adpcm_ea_r1(a), adpcm_ea_r2(a), adpcm_ea_r3(a), adpcm_ea_xas(a), g722(a), g722(a), g726(a), g726(a), adpcm_ima_amv(a), adpcm_ima_apc(a), adpcm_ima_dk3(a), adpcm_ima_dk4(a), adpcm_ima_ea_eacs(a), adpcm_ima_ea_sead(a), adpcm_ima_iss(a), adpcm_ima_qt(a), adpcm_ima_qt(a), adpcm_ima_smjpeg(a), adpcm_ima_wav(a), adpcm_ima_wav(a), adpcm_ima_ws(a), adpcm_ms(a), adpcm_ms(a), adpcm_sbpro_2(a), adpcm_sbpro_3(a), adpcm_sbpro_4(a), adpcm_swf(a), adpcm_swf(a), adpcm_thp(a), adpcm_xa(a), adpcm_yamaha(a), adpcm_yamaha(a), vima(a), ass(s), ass(s), dvbsub(s), dvbsub(s), dvdsub(s), dvdsub(s), jacosub(s), microdvd(s), mov_text(s), mov_text(s), pgssub(s), realtext(s), sami(s), srt(s), srt(s), subrip(s), subrip(s), subviewer(s), webvtt(s), xsub(s), xsub(s), libfaac(a), libmp3lame(a), libx264(v), libx264rgb(v), libxvid(v), bintext(v), xbin(v), idf(v),I use MAMP, PHP 5.3.6.
I have searched for solution for 3 days, no result sadly. -
Extract Video Frames In Python
22 avril 2017, par TheNoneI want to extract video frames and save them as image.
import os, sys
from PIL import Image
a, b, c = os.popen3("ffmpeg -i test.avi")
out = c.read()
dp = out.index("Duration: ")
duration = out[dp+10:dp+out[dp:].index(",")]
hh, mm, ss = map(float, duration.split(":"))
total = (hh*60 + mm)*60 + ss
for i in xrange(9):
t = (i + 1) * total / 10
os.system("ffmpeg -i test.avi -ss %0.3fs frame%i.png" % (t, i))But I have this error :
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264
libavutil version: 49.0.0
libavcodec version: 51.9.0
libavformat version: 50.4.0
built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
Input #0, avi, from 'test.avi':
Duration: 00:00:30.5, start: 0.000000, bitrate: 465 kb/s
Stream #0.0, 25.00 fps(r): Video: mpeg4, yuv420p, 640x480
Stream #0.1: Audio: mp3, 32000 Hz, mono, 32 kb/s
Unable for find a suitable output format for 'frame0.png'Edit : ffmpeg -formats
FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264
libavutil version: 49.0.0
libavcodec version: 51.9.0
libavformat version: 50.4.0
built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
File formats:
E 3g2 3gp2 format
E 3gp 3gp format
D 4xm 4X Technologies format
D RoQ Id RoQ format
D aac ADTS AAC
DE ac3 raw ac3
E adts ADTS AAC
DE aiff Audio IFF
DE alaw pcm A law format
DE amr 3gpp amr file format
DE asf asf format
E asf_stream asf format
DE au SUN AU Format
DE avi avi format
D avs avs format
E crc crc testing format
D daud D-Cinema audio format
D dts raw dts
DE dv DV video format
E dvd MPEG2 PS format (DVD VOB)
D ea Electronic Arts Multimedia Format
DE ffm ffm format
D film_cpk Sega FILM/CPK format
D flic FLI/FLC/FLX animation format
DE flv flv format
E framecrc framecrc testing format
DE gif GIF Animation
DE h261 raw h261
DE h263 raw h263
DE h264 raw H264 video format
D idcin Id CIN format
DE image image sequence
DE image2 image2 sequence
DE image2pipe piped image2 sequence
DE imagepipe piped image sequence
D ingenient Ingenient MJPEG
D ipmovie Interplay MVE format
DE m4v raw MPEG4 video format
D matroska Matroska file format
DE mjpeg MJPEG video
D mm American Laser Games MM format
DE mmf mmf format
E mov mov format
D mov,mp4,m4a,3gp,3g2,mj2 QuickTime/MPEG4/Motion JPEG 2000 format
E mp2 MPEG audio layer 2
DE mp3 MPEG audio layer 3
E mp4 mp4 format
DE mpeg MPEG1 System format
E mpeg1video MPEG video
E mpeg2video MPEG2 video
DE mpegts MPEG2 transport stream format
D mpegvideo MPEG video
E mpjpeg Mime multipart JPEG format
DE mulaw pcm mu law format
D nsv NullSoft Video format
E null null video format
DE nut nut format
D nuv NuppelVideo format
D ogg Ogg
E psp psp mp4 format
D psxstr Sony Playstation STR format
DE rawvideo raw video format
D redir Redirector format
DE rm rm format
E rtp RTP output format
D rtsp RTSP input format
DE s16be pcm signed 16 bit big endian format
DE s16le pcm signed 16 bit little endian format
DE s8 pcm signed 8 bit format
D sdp SDP
D shn raw shorten
D smk Smacker Video
D sol Sierra SOL Format
E svcd MPEG2 PS format (VOB)
DE swf Flash format
D tta true-audio
DE u16be pcm unsigned 16 bit big endian format
DE u16le pcm unsigned 16 bit little endian format
DE u8 pcm unsigned 8 bit format
E vcd MPEG1 System format (VCD)
D vmd Sierra VMD format
E vob MPEG2 PS format (VOB)
DE voc Creative Voice File format
DE wav wav format
D wc3movie Wing Commander III movie format
D wsaud Westwood Studios audio format
D wsvqa Westwood Studios VQA format
DE yuv4mpegpipe YUV4MPEG pipe format
Image formats (filename extensions, if any, follow):
DE gif gif
Codecs:
D V 4xm
D V D 8bps
DEA aac
D V D aasc
DEA ac3
DEA adpcm_4xm
DEA adpcm_adx
DEA adpcm_ct
DEA adpcm_ea
DEA adpcm_ima_dk3
DEA adpcm_ima_dk4
DEA adpcm_ima_qt
DEA adpcm_ima_smjpeg
DEA adpcm_ima_wav
DEA adpcm_ima_ws
DEA adpcm_ms
DEA adpcm_sbpro_2
DEA adpcm_sbpro_3
DEA adpcm_sbpro_4
DEA adpcm_swf
DEA adpcm_xa
DEA adpcm_yamaha
D A alac
DEA amr_nb
DEA amr_wb
DEV D asv1
DEV D asv2
D V D avs
D V bmp
D V D camstudio
D V D camtasia
D V D cinepak
D V D cljr
D A cook
D V D cyuv
DES dvbsub
DES dvdsub
DEV D dvvideo
DEV D ffv1
DEVSD ffvhuff
D A flac
D V D flic
DEVSD flv
D V D fraps
DEA g726
DEV D h261
DEVSDT h263
D VSD h263i
EV h263p
DEV DT h264
DEVSD huffyuv
D V D idcinvideo
D V D indeo2
D V indeo3
D A interplay_dpcm
D V D interplayvideo
EV jpegls
D V kmvc
EV ljpeg
D V D loco
D A mace3
D A mace6
D V D mdec
DEV D mjpeg
D V D mjpegb
D V D mmvideo
DEA mp2
DEA mp3
D A mp3adu
D A mp3on4
DEVSDT mpeg1video
DEVSDT mpeg2video
DEVSDT mpeg4
D A mpeg4aac
D VSDT mpegvideo
DEVSD msmpeg4
DEVSD msmpeg4v1
DEVSD msmpeg4v2
D V D msrle
D V D msvideo1
D V D mszh
D V D nuv
DEV pam
DEV pbm
DEA pcm_alaw
DEA pcm_mulaw
DEA pcm_s16be
DEA pcm_s16le
DEA pcm_s24be
DEA pcm_s24daud
DEA pcm_s24le
DEA pcm_s32be
DEA pcm_s32le
DEA pcm_s8
DEA pcm_u16be
DEA pcm_u16le
DEA pcm_u24be
DEA pcm_u24le
DEA pcm_u32be
DEA pcm_u32le
DEA pcm_u8
DEV pgm
DEV pgmyuv
DEV png
DEV ppm
D A qdm2
D V D qdraw
D V D qpeg
D V D qtrle
DEV rawvideo
D A real_144
D A real_288
D A roq_dpcm
D V D roqvideo
D V D rpza
DEV D rv10
DEV D rv20
D A shorten
D A smackaud
D V smackvid
D V D smc
DEV snow
D A sol_dpcm
DEA sonic
EA sonicls
D V D sp5x
DEV D svq1
D VSD svq3
D V theora
D V D truemotion1
D V D truemotion2
D A truespeech
D A tta
D V D ultimotion
D V vc9
D V D vcr1
D A vmdaudio
D V D vmdvideo
D A vorbis
D V vp3
D V D vqavideo
D A wmav1
D A wmav2
DEVSD wmv1
DEVSD wmv2
D V D wnv1
D A ws_snd1
D A xan_dpcm
D V D xan_wc3
D V D xl
EV xvid
DEV D zlib
D V zmbv
Supported file protocols:
file: pipe: udp: rtp: tcp: http:
Frame size, frame rate abbreviations:
ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif
Motion estimation methods:
zero(fastest) full(slowest) log phods epzs(default) x1 hex umh iter
Note, the names of encoders and decoders dont always match, so there are
several cases where the above table shows encoder only or decoder only entries
even though both encoding and decoding are supported for example, the h263
decoder corresponds to the h263 and h263p encoders, for file formats its even
worseWhat is wrong in my code ? Thanks in advance
-
Extract Video Frames In Python
28 février 2024, par TheNoneI want to extract video frames and save them as image.



import os, sys
from PIL import Image

a, b, c = os.popen3("ffmpeg -i test.avi")
out = c.read()
dp = out.index("Duration: ")
duration = out[dp+10:dp+out[dp:].index(",")]
hh, mm, ss = map(float, duration.split(":"))
total = (hh*60 + mm)*60 + ss
for i in xrange(9):
 t = (i + 1) * total / 10
 os.system("ffmpeg -i test.avi -ss %0.3fs frame%i.png" % (t, i))




But I have this error :



FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
 configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264 
 libavutil version: 49.0.0
 libavcodec version: 51.9.0
 libavformat version: 50.4.0
 built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
Input #0, avi, from 'test.avi':
 Duration: 00:00:30.5, start: 0.000000, bitrate: 465 kb/s
 Stream #0.0, 25.00 fps(r): Video: mpeg4, yuv420p, 640x480
 Stream #0.1: Audio: mp3, 32000 Hz, mono, 32 kb/s
Unable for find a suitable output format for 'frame0.png'




Edit : ffmpeg -formats



FFmpeg version CVS, Copyright (c) 2000-2004 Fabrice Bellard
Mac OSX universal build for ffmpegX
 configuration: --enable-memalign-hack --enable-mp3lame --enable-gpl --disable-vhook --disable-ffplay --disable-ffserver --enable-a52 --enable-xvid --enable-faac --enable-faad --enable-amr_nb --enable-amr_wb --enable-pthreads --enable-x264 
 libavutil version: 49.0.0
 libavcodec version: 51.9.0
 libavformat version: 50.4.0
 built on Apr 15 2006 04:58:19, gcc: 4.0.1 (Apple Computer, Inc. build 5250)
File formats:
 E 3g2 3gp2 format
 E 3gp 3gp format
 D 4xm 4X Technologies format
 D RoQ Id RoQ format
 D aac ADTS AAC
 DE ac3 raw ac3
 E adts ADTS AAC
 DE aiff Audio IFF
 DE alaw pcm A law format
 DE amr 3gpp amr file format
 DE asf asf format
 E asf_stream asf format
 DE au SUN AU Format
 DE avi avi format
 D avs avs format
 E crc crc testing format
 D daud D-Cinema audio format
 D dts raw dts
 DE dv DV video format
 E dvd MPEG2 PS format (DVD VOB)
 D ea Electronic Arts Multimedia Format
 DE ffm ffm format
 D film_cpk Sega FILM/CPK format
 D flic FLI/FLC/FLX animation format
 DE flv flv format
 E framecrc framecrc testing format
 DE gif GIF Animation
 DE h261 raw h261
 DE h263 raw h263
 DE h264 raw H264 video format
 D idcin Id CIN format
 DE image image sequence
 DE image2 image2 sequence
 DE image2pipe piped image2 sequence
 DE imagepipe piped image sequence
 D ingenient Ingenient MJPEG
 D ipmovie Interplay MVE format
 DE m4v raw MPEG4 video format
 D matroska Matroska file format
 DE mjpeg MJPEG video
 D mm American Laser Games MM format
 DE mmf mmf format
 E mov mov format
 D mov,mp4,m4a,3gp,3g2,mj2 QuickTime/MPEG4/Motion JPEG 2000 format
 E mp2 MPEG audio layer 2
 DE mp3 MPEG audio layer 3
 E mp4 mp4 format
 DE mpeg MPEG1 System format
 E mpeg1video MPEG video
 E mpeg2video MPEG2 video
 DE mpegts MPEG2 transport stream format
 D mpegvideo MPEG video
 E mpjpeg Mime multipart JPEG format
 DE mulaw pcm mu law format
 D nsv NullSoft Video format
 E null null video format
 DE nut nut format
 D nuv NuppelVideo format
 D ogg Ogg
 E psp psp mp4 format
 D psxstr Sony Playstation STR format
 DE rawvideo raw video format
 D redir Redirector format
 DE rm rm format
 E rtp RTP output format
 D rtsp RTSP input format
 DE s16be pcm signed 16 bit big endian format
 DE s16le pcm signed 16 bit little endian format
 DE s8 pcm signed 8 bit format
 D sdp SDP
 D shn raw shorten
 D smk Smacker Video
 D sol Sierra SOL Format
 E svcd MPEG2 PS format (VOB)
 DE swf Flash format
 D tta true-audio
 DE u16be pcm unsigned 16 bit big endian format
 DE u16le pcm unsigned 16 bit little endian format
 DE u8 pcm unsigned 8 bit format
 E vcd MPEG1 System format (VCD)
 D vmd Sierra VMD format
 E vob MPEG2 PS format (VOB)
 DE voc Creative Voice File format
 DE wav wav format
 D wc3movie Wing Commander III movie format
 D wsaud Westwood Studios audio format
 D wsvqa Westwood Studios VQA format
 DE yuv4mpegpipe YUV4MPEG pipe format

Image formats (filename extensions, if any, follow):
 DE gif gif

Codecs:
 D V 4xm
 D V D 8bps
 DEA aac
 D V D aasc
 DEA ac3
 DEA adpcm_4xm
 DEA adpcm_adx
 DEA adpcm_ct
 DEA adpcm_ea
 DEA adpcm_ima_dk3
 DEA adpcm_ima_dk4
 DEA adpcm_ima_qt
 DEA adpcm_ima_smjpeg
 DEA adpcm_ima_wav
 DEA adpcm_ima_ws
 DEA adpcm_ms
 DEA adpcm_sbpro_2
 DEA adpcm_sbpro_3
 DEA adpcm_sbpro_4
 DEA adpcm_swf
 DEA adpcm_xa
 DEA adpcm_yamaha
 D A alac
 DEA amr_nb
 DEA amr_wb
 DEV D asv1
 DEV D asv2
 D V D avs
 D V bmp
 D V D camstudio
 D V D camtasia
 D V D cinepak
 D V D cljr
 D A cook
 D V D cyuv
 DES dvbsub
 DES dvdsub
 DEV D dvvideo
 DEV D ffv1
 DEVSD ffvhuff
 D A flac
 D V D flic
 DEVSD flv
 D V D fraps
 DEA g726
 DEV D h261
 DEVSDT h263
 D VSD h263i
 EV h263p
 DEV DT h264
 DEVSD huffyuv
 D V D idcinvideo
 D V D indeo2
 D V indeo3
 D A interplay_dpcm
 D V D interplayvideo
 EV jpegls
 D V kmvc
 EV ljpeg
 D V D loco
 D A mace3
 D A mace6
 D V D mdec
 DEV D mjpeg
 D V D mjpegb
 D V D mmvideo
 DEA mp2
 DEA mp3
 D A mp3adu
 D A mp3on4
 DEVSDT mpeg1video
 DEVSDT mpeg2video
 DEVSDT mpeg4
 D A mpeg4aac
 D VSDT mpegvideo
 DEVSD msmpeg4
 DEVSD msmpeg4v1
 DEVSD msmpeg4v2
 D V D msrle
 D V D msvideo1
 D V D mszh
 D V D nuv
 DEV pam
 DEV pbm
 DEA pcm_alaw
 DEA pcm_mulaw
 DEA pcm_s16be
 DEA pcm_s16le
 DEA pcm_s24be
 DEA pcm_s24daud
 DEA pcm_s24le
 DEA pcm_s32be
 DEA pcm_s32le
 DEA pcm_s8
 DEA pcm_u16be
 DEA pcm_u16le
 DEA pcm_u24be
 DEA pcm_u24le
 DEA pcm_u32be
 DEA pcm_u32le
 DEA pcm_u8
 DEV pgm
 DEV pgmyuv
 DEV png
 DEV ppm
 D A qdm2
 D V D qdraw
 D V D qpeg
 D V D qtrle
 DEV rawvideo
 D A real_144
 D A real_288
 D A roq_dpcm
 D V D roqvideo
 D V D rpza
 DEV D rv10
 DEV D rv20
 D A shorten
 D A smackaud
 D V smackvid
 D V D smc
 DEV snow
 D A sol_dpcm
 DEA sonic
 EA sonicls
 D V D sp5x
 DEV D svq1
 D VSD svq3
 D V theora
 D V D truemotion1
 D V D truemotion2
 D A truespeech
 D A tta
 D V D ultimotion
 D V vc9
 D V D vcr1
 D A vmdaudio
 D V D vmdvideo
 D A vorbis
 D V vp3
 D V D vqavideo
 D A wmav1
 D A wmav2
 DEVSD wmv1
 DEVSD wmv2
 D V D wnv1
 D A ws_snd1
 D A xan_dpcm
 D V D xan_wc3
 D V D xl
 EV xvid
 DEV D zlib
 D V zmbv

Supported file protocols:
 file: pipe: udp: rtp: tcp: http:
Frame size, frame rate abbreviations:
 ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif
Motion estimation methods:
 zero(fastest) full(slowest) log phods epzs(default) x1 hex umh iter

Note, the names of encoders and decoders dont always match, so there are
several cases where the above table shows encoder only or decoder only entries
even though both encoding and decoding are supported for example, the h263
decoder corresponds to the h263 and h263p encoders, for file formats its even
worse




What is wrong in my code ? Thanks in advance