[mythtv-commits] mythtv commit: r23435 - in trunk/mythtv by mdean

mythtv at cvs.mythtv.org mythtv at cvs.mythtv.org
Tue Feb 2 04:07:42 UTC 2010

      Author: mdean
        Date: 2010-02-02 04:07:41 +0000 (Tue, 02 Feb 2010)
New Revision: 23435
   Changeset: http://svn.mythtv.org/trac/changeset/23435




Restore the minimum truncate rate that was removed in [12167] to shorten truncate times on systems with few capture cards, and update the max bitrate used for calculating truncate rate to better describe some seen-in-the-wild bitrates.

Before this change, a system with only one configured capture card and with "Delete files slowly" enabled could take as long as 7min 24sec per GiB to delete a file.  After this change, the slowest the backend will delete files is 2min 8sec per GiB (for all systems with 1 or 2 capture cards defined).  With 3 or more cards (or virtual cards, as used for multirec) defined, truncation will occur at 26.64Mbits * number of cards per second.  Or, put another way, truncation will occur at about 3.17MiB/sec/capture card or 8MiB/sec, whichever is higher.

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