- Something
- Wednesday, November 9th, 2011 at 8:51:46am MST
- r1239 | erik | 2011-10-07 13:06:24 -0400 (Fri, 07 Oct 2011) | 14 lines
- Always attempt to move forward on a seek
- From John Stebbins original post (with pathc, Thanks!):
- libdvdnav has a problem in that it is difficult to gracefully recover
- from a read error and continue on to subsequent blocks on the disc. An
- application would like to seek forward past the current block after
- getting a read error in order to attempt to get past the bad block(s).
- But dvdnav_sector_search() does not guarantee that a requested forward
- seek will actually move the current position forward. It truncates down
- to the nearest VOBU which will almost always cause a forward seek
- request by a single block (or a small number of blocks) to move the
- current position backward. This behaviour puts the application into a
- loop of: read failure, attempted forward seek (which results in backward
- seek), read failure ...
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