[FFmpeg-devel] [PATCH] Fix failure in av_read_frame on timestamp rollover

[Stephen Dredge i]

av_read_frame can fail on some (TS) files at timestamp rollover, reading 
to eof before returning a frame.

The attached patch adds some utility functions for rollover aware 
timestamp comparison  and uses them in av_read_frame to avoid problems 
at timestamp rollover.

The utility functions provide normal comparisons if pts_wrap_bits is 0 
or >= 63 so behaviour on formats without timestamp wrapping should be 
unaffected.

-- 
   Stephen Dredge                        sdredge at tpg.com.au
_______________________________________________________________
  System Administrator
  +61 2 9850 0979

   TPG Internet
  www.tpg.com.au



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