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more stable and reliable spudec packet reassembler

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@3821 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
arpi 2001-12-28 01:03:57 +00:00
parent 1424f46727
commit 253eff648b
1 changed files with 25 additions and 0 deletions
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25
spudec.c
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@ -292,10 +292,35 @@ void spudec_assemble(void *this, unsigned char *packet, int len, int pts100)
spu->packet_offset += len;
}
}
#if 1
// check if we have a complete packet (unfortunatelly packet_size is bad
// for some disks)
// if (spu->packet_offset == spu->packet_size)
{ int x=0,y;
while(x>=0 && x+4<=spu->packet_offset){
y=get_be16(spu->packet+x+2); // next control pointer
printf("SPUtest: x=%d y=%d off=%d size=%d\n",x,y,spu->packet_offset,spu->packet_size);
if(x>=4 && x==y){ // if it points to self - we're done!
// we got it!
printf("SPUgot: off=%d size=%d \n",spu->packet_offset,spu->packet_size);
spudec_decode(spu);
spu->packet_offset = 0;
break;
}
if(y<=x || y>=spu->packet_size){ // invalid?
printf("SPUtest: broken packet!!!!! y=%d < x=%d\n",y,x);
spu->packet_size = spu->packet_offset = 0;
break;
}
x=y;
}
}
#else
if (spu->packet_offset == spu->packet_size) {
spudec_decode(spu);
spu->packet_offset = 0;
}
#endif
}
void spudec_reset(void *this) // called after seek