Nils Wallménius
412cdd6cf7
libtremor: port over ffmpeg's windowing code
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Use the windowing approach from ffmpeg in tremor, does the mdct doubling, windowing and overlap add in one go.
Also uses less memory so all the processing buffers fit in iram on targets with small iram for the common blocksizes (256/2048) now.
Speeds up decoding of vorbis files by 3MHz for 256/2048 and 20MHz for 512/4096 files on h300.
Speeds up decoding of vorbis files by 3MHz for 256/2048 and 4.5MHz for 512/4096 on the beast.
Speeds up decoding of vorbis files by 0.3MHz for 256/2048 and 1MHz for 512/4096 on c200v1.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30580 a1c6a512-1295-4272-9138-f99709370657
2011-09-22 11:47:51 +00:00
Nils Wallménius
769996654b
libtremor: save a kB or two limiting an array size to the maximum number of channels we support and using a shorter type for another. No speed diff.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30559 a1c6a512-1295-4272-9138-f99709370657
2011-09-16 14:00:06 +00:00
Nils Wallménius
bcfb2b53eb
libtremor: small tweak to cf channel coupling asm, speeding up vorbis decoding by ~0.1MHz. Drop unused macro params and add some comments.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30558 a1c6a512-1295-4272-9138-f99709370657
2011-09-16 12:51:22 +00:00
Nils Wallménius
1930e9f4ba
libtremor: merge upstream revision 17525 'Commit additional hardening to setup packet decode.'
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28762 a1c6a512-1295-4272-9138-f99709370657
2010-12-07 16:55:36 +00:00
Nils Wallménius
78b2711e58
libtremor: introduce asm optimized version of the channel_couple function for Coldfire and optimize the arm as version, speedup ~1% on Coldfire and PortalPlayer.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28405 a1c6a512-1295-4272-9138-f99709370657
2010-10-31 08:19:19 +00:00
Andree Buschmann
6805448195
Correction to clobber lists of several codec's inline assembly.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26376 a1c6a512-1295-4272-9138-f99709370657
2010-05-29 15:00:10 +00:00
Nils Wallménius
889b4a8ce8
Two tiny tweaks to some arm asm
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25993 a1c6a512-1295-4272-9138-f99709370657
2010-05-13 09:44:05 +00:00
Michael Giacomelli
70ac57b95b
Change various CPU_ARM defines to _ARM_ASSEM_ to be more consistent with the rest of Tremor.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25214 a1c6a512-1295-4272-9138-f99709370657
2010-03-16 04:47:24 +00:00
Dave Hooper
a3068ca863
Unroll and optimise channel coupling for arm gives 0.6Mhz speed for vorbis on pp(ipod video)
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24808 a1c6a512-1295-4272-9138-f99709370657
2010-02-21 15:36:35 +00:00
Dave Hooper
42774d3128
Merge from branches/mdctexp - faster ifft+imdct in codec lib
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24712 a1c6a512-1295-4272-9138-f99709370657
2010-02-17 00:49:53 +00:00
Nils Wallménius
de159ceb3d
Comment var only used by already commented out debug code, delete #if 0'ed block move a comment and fix some broken indentation
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23945 a1c6a512-1295-4272-9138-f99709370657
2009-12-12 16:37:44 +00:00
Dave Hooper
67fb5415f7
Commit FS#9882 - make better use of iram at different quality encodings, remove redundant memsets, implement doublebuffer if it will fit in iram to save a mempcy each frame, and some alignment fixes for coldfire
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20783 a1c6a512-1295-4272-9138-f99709370657
2009-04-25 11:25:13 +00:00
Björn Stenberg
c6b3d38a15
New makefile solution: A single invocation of 'make' to build the entire tree. Fully controlled dependencies give faster and more correct recompiles.
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Many #include lines adjusted to conform to the new standards.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19146 a1c6a512-1295-4272-9138-f99709370657
2008-11-20 11:27:31 +00:00
Björn Stenberg
45bd7e0246
Codec lib directories renamed, except for demac.
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19018 a1c6a512-1295-4272-9138-f99709370657
2008-11-05 13:30:58 +00:00
