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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;...