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12 commits

Author SHA1 Message Date
Jens Arnold
b2fa99b4dd Vorbis codec: Only try to put the ARM assembler optimised MDCT in IRAM if the target uses IRAM. This fixes the code for gigabeat, but it is kept disabled for gigabeat because the C code is actually slightly faster (~0.5%). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16164 a1c6a512-1295-4272-9138-f99709370657
 2008-01-25 18:52:15 +00:00
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