my apologies for not doing this before Miroslav... I will definitely integrate it this time.
Josh --- Miroslav Lichvar <[EMAIL PROTECTED]> wrote: > Ok, the patch from 2003 about improving seeking still didn't make it > to CVS, so here is another try. > > I made some benchmarking with the test_seeking utility from flac > sources to show how bad the current seeking is, especially without > seektable. Track used for the experiment had about 50 minutes. > > In the following table is average number of seeks and number of > decoded frames required for one complete absolute seek. I tried > several files encoded with fixed/variable block size, seektable with > seekpoints every 10s, 100s and no seektable. > > unpatched patched > block size seek decoded decoded > points seeks frames seeks frames > fixed > 10s 1.22 2.04 1.16 1.83 > 100s 6.37 12.26 2.22 3.21 > - 16.80 341.61 3.84 5.23 > variable > 10s 1.18 2.93 1.42 2.57 > 100s 8.80 16.65 2.58 3.67 > - 31.35 445.08 4.28 5.67 > > And another table shows the worst seek for the same files. > > block size seek decoded decoded > points seeks frames seeks frames > fixed > 10s 49 49 3 6 > 100s 55 55 5 8 > - 1 1038 6 9 > variable > 10s 53 53 9 9 > 100s 87 9 8 8 > - 1 1620 10 13 > > Attached is the new patch. ____________________________________________________________________________________ Low, Low, Low Rates! Check out Yahoo! Messenger's cheap PC-to-Phone call rates (http://voice.yahoo.com) _______________________________________________ Flac-dev mailing list Flac-dev@xiph.org http://lists.xiph.org/mailman/listinfo/flac-dev
