These are the compatible video types for upload;

3g2 3gp2 format
3gp 3gp format
4xm 4X Technologies format
MTV MTV format
RoQ Id RoQ format
aac ADTS AAC
ac3 raw ac3
adts ADTS AAC
aiff Audio IFF
alaw pcm A law format
amr 3gpp amr file format
asf asf format
asf_stream asf format
au SUN AU Format
avi avi format
avs AVISynth
crc crc testing format
daud D-Cinema audio format
dsicin Delphine Software International CIN format
dts raw dts
dv DV video format
dvd MPEG2 PS format (DVD VOB)
ea Electronic Arts Multimedia Format
ffm ffm format
film_cpk Sega FILM/CPK format
flac raw flac
flic FLI/FLC/FLX animation format
flv flv format
framecrc framecrc testing format
gif GIF Animation
gxf GXF format
h261 raw h261
h263 raw h263
h264 raw H264 video format
idcin Id CIN format
image2 image2 sequence
image2pipe piped image2 sequence
ingenient Ingenient MJPEG
ipmovie Interplay MVE format
m4v raw MPEG4 video format
matroska Matroska file format
mjpeg MJPEG video
mm American Laser Games MM format
mmf mmf format
mov mov format
mov,mp4,m4a,3gp,3g2,mj2 QuickTime/MPEG4/Motion JPEG 2000 format
mp2 MPEG audio layer 2
mp3 MPEG audio layer 3
mp4 mp4 format
mpeg MPEG1 System format
mpeg1video MPEG video
mpeg2video MPEG2 video
mpegts MPEG2 transport stream format
mpegvideo MPEG video
mpjpeg Mime multipart JPEG format
mulaw pcm mu law format
mxf MXF format
nsv NullSoft Video format
null null video format
nut nut format
nuv NuppelVideo format
ogg Ogg Vorbis
psp psp mp4 format
psxstr Sony Playstation STR format
rawvideo raw video format
rm rm format
s16be pcm signed 16 bit big endian format
s16le pcm signed 16 bit little endian format
s8 pcm signed 8 bit format
shn raw shorten
smk Smacker Video
sol Sierra SOL Format
svcd MPEG2 PS format (VOB)
swf Flash format
tiertexseq Tiertex Limited SEQ format
tta true-audio
u16be pcm unsigned 16 bit big endian format
u16le pcm unsigned 16 bit little endian format
u8 pcm unsigned 8 bit format
vcd MPEG1 System format (VCD)
vmd Sierra VMD format
vob MPEG2 PS format (VOB)
voc Creative Voice File format
wav wav format
wc3movie Wing Commander III movie format
wsaud Westwood Studios audio format
wsvqa Westwood Studios VQA format
wv WavPack
yuv4mpegpipe YUV4MPEG pipe format


If any ofthe above does not worklet us know in this thread.