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11 commits

Author SHA1 Message Date
Marcoen Hirschberg
6b559b2188 disable the ARM optimized MDCT for the Gigabeat for now as it creates a data abort 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14940 a1c6a512-1295-4272-9138-f99709370657
 2007-10-01 13:42:03 +00:00
Tomasz Malesinski
c13eba29ff FS #7833: Optimizations to the Vorbis codec: 
- ARM assembly version of parts of mdct,
- special case for vorbis_book_decodevv_add for 2 channels and even book->dim,
- store the output in vb->pcm if possible, as it is usually in IRAM as
  opposed to v->pcm.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14875 a1c6a512-1295-4272-9138-f99709370657
 2007-09-27 21:58:51 +00:00
Tomasz Malesinski
5c54ba49d5 Added macros controlling what goes to IRAM on different targets. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11483 a1c6a512-1295-4272-9138-f99709370657
 2006-11-09 21:59:27 +00:00
Magnus Holmgren
41cea75095 Vorbis optimizations from Brandon Low (part of patch 1387611). Reduces cpu boost ratio on a test track by about 6 percentage points. Also fixes broken simulator playback caused by my previous Tremor commit. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8291 a1c6a512-1295-4272-9138-f99709370657
 2005-12-28 20:42:24 +00:00
Thom Johansen
292e4e90d7 Introduced usage of IBSS_ATTR and ICONST_ATTR in codec libraries. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7660 a1c6a512-1295-4272-9138-f99709370657
 2005-10-27 11:39:01 +00:00
Magnus Holmgren
7e33f16aee Tweaked IRAM usage in the Vorbis codec. Speeds up decoding by about 10% on a couple of test files. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7249 a1c6a512-1295-4272-9138-f99709370657
 2005-07-28 12:04:41 +00:00
Pedro Vasconcelos
6b9350b4d3 A little improvement on Vorbis block synthesis. 
Added myself to the list of contributors.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6664 a1c6a512-1295-4272-9138-f99709370657
 2005-06-10 22:34:57 +00:00
Pedro Vasconcelos
0a3f8e0924 Vorbis opts: keep floor1 lookup table in IRAM. 
Slightly faster 16-bit clipping function.
Misc: changed tabs for spaces to conform with Rockbox coding standards.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6608 a1c6a512-1295-4272-9138-f99709370657
 2005-06-08 13:09:30 +00:00
Pedro Vasconcelos
0f10e898f0 Vorbis optimizations: allocation of PCM buffers in IRAM, avoiding copying. 
Slight code improvements to the MDCT functions.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6590 a1c6a512-1295-4272-9138-f99709370657
 2005-06-06 23:01:51 +00:00
Pedro Vasconcelos
024db0a766 Basic optimizations of the Vorbis decoder for the ihp-1x0. 
Capable of real-time decoding with cpu freq at 120mhz.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6527 a1c6a512-1295-4272-9138-f99709370657
 2005-05-27 09:14:00 +00:00
Marcoen Hirschberg
99d2599b79 Initial commit of the the Ogg Vorbis 'Tremor' integer playback codec 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@5996 a1c6a512-1295-4272-9138-f99709370657
 2005-02-17 09:08:18 +00:00