can you try this command line with mencoder and report if you have compliance problem with your standalone player ... thx
mencoder.exe HDTV.avs -o MPEG2-HQ1.m2v -ovc lavc -lavcopts vcodec=mpeg2video:vpass=1:vqmin=1:lmin=0.01:vqblur =0:vqscale=4
:vrc_maxrate=9000:vrc_buf_size=1835:keyint=15:vqco mp=0.75
:vmax_b_frames=2:vb_qfactor=1.25:vb_qoffset=0.0:vi _qfactor=1.0
:vi_qoffset=0.0:me_range=128
reme=2:dia=6
redia= 6:mbd=2
:mbcmp=262
recmp=262:cmp=256:subcmp=262:mv0:trell :cbp
:dc=8:qprd
snr:aspect=16/9:inter_matrix=20,21,22,23,24,25,26,27,21,
21,22,23,24,25,26,28,22,22,23,24,25,26,28,30,23,23 ,24,25,26,28,29,32,
24,24,25,26,28,31,33,35,25,25,26,28,31,34,36,39,26 ,26,28,29,33,36,41,
43,27,28,30,32,35,39,43,48:intra_matrix=8,16,16,16 ,17,17,18,19,16,16,
16,16,17,18,19,20,16,16,16,17,18,19,20,22,16,16,17 ,18,19,21,23,26,17,
17,18,19,21,24,27,31,17,18,19,21,24,28,33,40,18,19 ,20,23,27,33,42,51,
19,20,22,26,31,40,51,64 -of rawvideo -ffourcc MPG2
mencoder.exe HDTV.avs -o MPEG2-HQ2.m2v -ovc lavc -lavcopts vcodec=mpeg2video:vpass=3:vqmin=1:lmin=0.01:vqblur =0
:vbitrate=3000:vrc_maxrate=9000:vrc_buf_size=1835: keyint=15
:vqcomp=0.75:vmax_b_frames=2:vb_qfactor=1.25:vb_qo ffset=0.0
:vi_qfactor=1.0:vi_qoffset=0.0:me_range=128
reme= 2:dia=6
redia=6:mbd=2:mbcmp=262
recmp=262:cmp=256:subcm p=262
:mv0:trell:cbp:dc=8
snr:aspect=16/9:inter_matrix=20,21,22,23,24,25,
26,27,21,21,22,23,24,25,26,28,22,22,23,24,25,26,28 ,30,23,23,24,25,26,
28,29,32,24,24,25,26,28,31,33,35,25,25,26,28,31,34 ,36,39,26,26,28,29,
33,36,41,43,27,28,30,32,35,39,43,48:intra_matrix=8 ,16,16,16,17,17,18,
19,16,16,16,16,17,18,19,20,16,16,16,17,18,19,20,22 ,16,16,17,18,19,21,
23,26,17,17,18,19,21,24,27,31,17,18,19,21,24,28,33 ,40,18,19,20,23,27,
33,42,51,19,20,22,26,31,40,51,64 -of rawvideo -ffourcc MPG2
mencoder.exe HDTV.avs -o MPEG2-HQ3.m2v -ovc lavc -lavcopts vcodec=mpeg2video:vpass=3:vqmin=1:lmin=0.01:vqblur =0
:vbitrate=3000:vrc_maxrate=9000:vrc_buf_size=1835: keyint=15
:vqcomp=0.75:vmax_b_frames=2:vb_qfactor=1.25:vb_qo ffset=0.0
:vi_qfactor=1.0:vi_qoffset=0.0:me_range=128
reme= 2:dia=6
redia=6:mbd=2:mbcmp=262
recmp=262:cmp=256:subcm p=262
:mv0:trell:cbp:dc=8
snr:aspect=16/9:inter_matrix=20,21,22,23,24,
25,26,27,21,21,22,23,24,25,26,28,22,22,23,24,25,26 ,28,30,23,23,24,25,
26,28,29,32,24,24,25,26,28,31,33,35,25,25,26,28,31 ,34,36,39,26,26,28,
29,33,36,41,43,27,28,30,32,35,39,43,48:intra_matri x=8,16,16,16,17,17,
18,19,16,16,16,16,17,18,19,20,16,16,16,17,18,19,20 ,22,16,16,17,18,19,
21,23,26,17,17,18,19,21,24,27,31,17,18,19,21,24,28 ,33,40,18,19,20,23,
27,33,42,51,19,20,22,26,31,40,51,64 -of rawvideo -ffourcc MPG2