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12 commits

Author SHA1 Message Date
Sean Bartell
f40bfc9267 Add codecs to librbcodec. 
Change-Id: Id7f4717d51ed02d67cb9f9cb3c0ada4a81843f97
Reviewed-on: http://gerrit.rockbox.org/137
Reviewed-by: Nils Wallménius <nils@rockbox.org>
Tested-by: Nils Wallménius <nils@rockbox.org>
 2012-04-25 22:13:20 +02:00
Thomas Martitz
4343011955 libmad: Get rid of some bad trickery with the stack pointer. 
Using the stack pointer for anything else than pointing to the
current stack can have in very bad effects, especially on hosted
platforms (e.g. when mixed with signals). Remove this at
very slight performance cost.
 2012-01-21 18:39:19 +01:00
Andree Buschmann
1b093cf297 Remove tabs 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28719 a1c6a512-1295-4272-9138-f99709370657
 2010-12-01 18:35:01 +00:00
Michael Giacomelli
9929512682 ARM9 optimized synth_full for libmad. Speeds up mp3 decoding by an even 2 MHz on all ARM9 and later devices. Note this is only optimized for arm9 (non-E), although it is faster on later devices. An arm9E/11 version will be needed for optimal performance on newer devices. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28710 a1c6a512-1295-4272-9138-f99709370657
 2010-11-29 22:34:51 +00:00
Rafaël Carré
45c7498f59 FS#11335 by me: make ARM assembly functions thumb-friendly 
We can't pop into pc on ARMv4t when using thumb: the T bit won't be
modified if we are returning to a thumb function
Code running on ARMv4t should use the new ldrpc / ldmpc macros instead
of ldr pc, [sp], #4 and ldm(cond) sp!, {regs, pc}
No modification on pure ARM builds and ARMv5+

Note: USE_THUMB is currently never defined, no targets can currently be
built with -mthumb, see FS#6734

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26756 a1c6a512-1295-4272-9138-f99709370657
 2010-06-11 04:41:36 +00:00
Andree Buschmann
b95326da29 Change naming of arm asm routines in libmad's synthesis to match their functionality. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25784 a1c6a512-1295-4272-9138-f99709370657
 2010-05-02 19:01:37 +00:00
Andree Buschmann
eec5eb9ecc Refacturate arm version of libmad's synthesis filter. Only two asm macros left, renamed asm-implementation for better clarity. No change in speed or precision. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25777 a1c6a512-1295-4272-9138-f99709370657
 2010-05-02 15:45:43 +00:00
Jens Arnold
02c031709c * ARM asm DSP and codec/plugin functions: Use r12 scratch register properly 
* Fix saving another unused reg in dsp code
* Use less regs in the generic ARM mpegplayer adding idct pure DC case
* Fix ARMv6 mpegplayer adding idct using an unsaved register in pure DC case


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21803 a1c6a512-1295-4272-9138-f99709370657
 2009-07-12 13:14:35 +00:00
Daniel Stenberg
2acc0ac542 Updated our source code header to explicitly mention that we are GPL v2 or 
later. We still need to hunt down snippets used that are not. 1324 modified
files...
http://www.rockbox.org/mail/archive/rockbox-dev-archive-2008-06/0060.shtml


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17847 a1c6a512-1295-4272-9138-f99709370657
 2008-06-28 18:10:04 +00:00
Dave Chapman
f52c178517 Revert r14050 (apart from the non-related whitespace changes) and fix the S3C2440 (Gigabeat F/X) problems introduced by my r14041 commit in a slightly different way: Introduce a mad_iram.h file and centralise all IRAM-related decisions in there (similar to how Tremor does it). Now checks for CPU type (S3C2440) instead of target (TOSHIBA_GIGABEAT_F) and there is also a .ibss variable in syth_full_arm.S which shouldn't go in IRAM on S3C2440 targets. Closes FS#7500 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14057 a1c6a512-1295-4272-9138-f99709370657
 2007-07-29 16:40:11 +00:00
Michael Giacomelli
f68ab0d497 Fix mp3 playback on the gigabeat by not putting code in IRAM. Someone actually familar with the gigabeat port should check this. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14050 a1c6a512-1295-4272-9138-f99709370657
 2007-07-29 05:21:20 +00:00
Dave Chapman
66b51909c0 FS #6705 - ARM optimisations for libmad by Tomasz Malesinski. Modified slightly by me to not put code in IRAM for PP502x (it's slower), and for the mpegplayer version of libmad for PP5002 (there isn't enough room). On my ipod Color, it increases a 320kbps MP3 test file from 169% realtime to 188% realtime. Reported speedup on the ipod 3G was from 118% to 155% realtime for a 192kbps MP3. 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14041 a1c6a512-1295-4272-9138-f99709370657
 2007-07-28 15:21:25 +00:00