[FFmpeg-devel] dv_read_seek over 2GB fix
Sat Jun 16 03:28:14 CEST 2007
On Fri, Jun 15, 2007 at 09:13:00PM +0300, Maksym Veremeyenko wrote:
> Dear Developers!
> I have problem with seeking in raw dv stream over 2 GB file position.
> The problem goes from incorrect type conversion in dv_read_seek.
> If i seek to position 2147616000 in file (0x0000000080020500),
> 'dv_read_seek' return as result value of seeking to position converting
> to signed integer -2147351296 (0x80020500) that is treated by
> av_seek_frame as negative value (incorrect) and begin to use
> Attached patch seems fix this bug.
> - return url_fseek(&s->pb, offset, SEEK_SET);
> + return (url_fseek(&s->pb, offset, SEEK_SET) < (offset_t)0)?-1:0;
this is incorrect, as it kills the error code and just returns -1
Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB
While the State exists there can be no freedom; when there is freedom there
will be no State. -- Vladimir Lenin
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