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getasminfo
2003 Jun 23
3
Cannot get ogm infos
Help is needed !
I cannot extract infos from video stream in an .ogm file using the
VorbisFile library.
It seems that I can only open .ogg files (audio)! When I call
"ov_open_callbacks" it generates a message error.
Here is my procedure in pascal:
code:
_____
procedure GetOGMInfo;
var
F : TFileStream;
vf: OggVorbis_File;
res: integer;
begin
F := TFileStream.Create("OGM FileName", fmOpenRead);
res := ov_open_callbacks(F, vf, nil, 0, ops_callbacks);
if res < 0 then // always return -132 !! No Vorbis info/file
begin
F.Free;
exit;
end;...