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23 commits

Author SHA1 Message Date
Andree Buschmann
25ffa8b198 Solve possible glitch after seeking in mpc files. Documented the special treatment after seek. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17829 a1c6a512-1295-4272-9138-f99709370657
 2008-06-28 12:55:34 +00:00
Andree Buschmann
cc11e9466a Further changes in mpc buffered seek. Remove magical number and replace it with a better commented #define. Use shift and bit mask instead of division and modulo operations when using the seek buffer. Saves some binary size for the codec. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17686 a1c6a512-1295-4272-9138-f99709370657
 2008-06-04 05:41:59 +00:00
Andree Buschmann
d56016addd Fix for FS#9054. MPC-playback stopped after 3:34min caused by out-of-bounds access. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17671 a1c6a512-1295-4272-9138-f99709370657
 2008-05-31 14:05:33 +00:00
Andree Buschmann
5670ca18bb Fixes backward seeking on resumed files and backward seeking to positions to which formerly was seeked forward to (sounds complicated and it is). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17606 a1c6a512-1295-4272-9138-f99709370657
 2008-05-22 12:32:28 +00:00
Andree Buschmann
6a74a5dd3b Commit FS#9015. Rework of musepack buffered seek. Now a static seek buffer of 8192 entries is used. The seeking precision is adapted to the length of the file (e.g. 26ms for files <=3.5min and 0.4s for files ~60min). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17604 a1c6a512-1295-4272-9138-f99709370657
 2008-05-22 09:58:19 +00:00
Andree Buschmann
1d28fe7d79 Musepack seek hotfix. Do not dynamically allocate seek buffer but use a buffer of constant size (~28.5min). Files larger than this will still not seek properly. Some additional rework has to be done for the seek buffer. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17584 a1c6a512-1295-4272-9138-f99709370657
 2008-05-19 18:06:00 +00:00
Andree Buschmann
14698f5a20 Musepack performance optimization for PP5022/PP5024/MCF5250 targets. Use IRAM for internal sample buffers and lookup tables. Speeds up decoding by ~7% on PP5022/PP5024 (Sansa: c200, e200 + iPod mini2G, nano, video) and by ~27% on MCF5250 (iaudio m5, x5). 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17507 a1c6a512-1295-4272-9138-f99709370657
 2008-05-14 19:49:01 +00:00
Andree Buschmann
14d45c9d17 Removed non-active seek mechanism from musepack library, small other cleanups. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17446 a1c6a512-1295-4272-9138-f99709370657
 2008-05-10 20:33:28 +00:00
Andree Buschmann
a7a2baa97f Some changes for musepack: Disable SV4-SV6 support (I guess I am the only one who oned such). Remove tabs, perform some minor code beautification and add ICONST_ATTR to some requantization constants. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17438 a1c6a512-1295-4272-9138-f99709370657
 2008-05-10 15:15:10 +00:00
Dave Chapman
f02cba8096 Code cleaning - remove some unnecessary defined(SIMULATOR) checks 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@13369 a1c6a512-1295-4272-9138-f99709370657
 2007-05-10 13:16:08 +00:00
Thom Johansen
7197c0e588 Put Musepack output data array back in IRAM for faster DSP processing. Patch by Andrew Cupper. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10844 a1c6a512-1295-4272-9138-f99709370657
 2006-09-01 12:09:20 +00:00
Thom Johansen
20332bce1d FS patch #5172 by Andrew Cupper. Musepack seeking support. Decoder should also be faster. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10827 a1c6a512-1295-4272-9138-f99709370657
 2006-08-31 18:18:57 +00:00
Thom Johansen
ee720278ad Fix the first-frame memmove from pretending the data is interleaved, which it isn't anymore. This should fix all remaining gapless problems with Musepack. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9827 a1c6a512-1295-4272-9138-f99709370657
 2006-04-29 02:00:14 +00:00
Thom Johansen
43a105aae3 Make libmusepack output the last frame in two passes. Reclaim the IRAM taken in the last commit. Please let me know if you can hear any artifacts or get any broken files from this! 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9825 a1c6a512-1295-4272-9138-f99709370657
 2006-04-27 23:52:55 +00:00
Thom Johansen
8ac932fcb4 Fix warning. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8490 a1c6a512-1295-4272-9138-f99709370657
 2006-01-30 01:42:23 +00:00
Thom Johansen
2b483958f9 Synced libmpcdec to musepack.net SVN. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8488 a1c6a512-1295-4272-9138-f99709370657
 2006-01-30 01:00:40 +00:00
Dave Bryant
c78b019944 I figured out what was *really* causing the MPC track-change noise, so I 
backed out Thom's change and made the appropriate change. Note that this
should not fix the track change *pop* because there still seems to be a
problem decoding the first and last several hundred samples of MPC files.


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8306 a1c6a512-1295-4272-9138-f99709370657
 2006-01-08 08:38:18 +00:00
Thom Johansen
c01b987cca Squeezed two very frequently used arrays in IRAM for a very nice performance boost. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7676 a1c6a512-1295-4272-9138-f99709370657
 2005-10-28 20:21:58 +00:00
Jens Arnold
507f72cd8c Musepack: emacified multiplication routines, gives a nice speed boost. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7624 a1c6a512-1295-4272-9138-f99709370657
 2005-10-12 23:16:40 +00:00
Thom Johansen
735208a541 Adapted codecs and DSP system to having MACSR saved in thread context. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7485 a1c6a512-1295-4272-9138-f99709370657
 2005-09-07 00:24:27 +00:00
Tomas Salfischberger
fe8663c548 See my message on the mailinglist. This should kill all warnings left in the iriver builds. And the changes will be added to the next musepack minor release. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6710 a1c6a512-1295-4272-9138-f99709370657
 2005-06-14 18:48:35 +00:00
Daniel Stenberg
f34ce792ec fix a couple of warnings, still have numerous for signed <=> unsigned mixed 
usage


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6418 a1c6a512-1295-4272-9138-f99709370657
 2005-05-07 22:15:59 +00:00
Thom Johansen
ad17fd4747 Musepack support, complete with mpc2wav plugin. Thanks go out to rasher for initiating the port. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6276 a1c6a512-1295-4272-9138-f99709370657
 2005-04-12 21:29:48 +00:00