| Commit message (Collapse) | Author | Age |
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for the mdct, speeds up codecs using the codeclib mdct 0.5-1.5MHz on h300.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30513 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30510 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30498 a1c6a512-1295-4272-9138-f99709370657
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arrays for precalculated scalefactors, correct the integer type of scalefactors to unsigned, migrate some metadata calculations to fixed point. No impact to decoder output.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30497 a1c6a512-1295-4272-9138-f99709370657
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KB of codesize.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30496 a1c6a512-1295-4272-9138-f99709370657
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another precalculated table, directly use predefined tables instead of copying them. Reduces memory and codesize by several KB.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30494 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30493 a1c6a512-1295-4272-9138-f99709370657
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Blip_set_modified(), correctly set PSG voices in vgm_emu, correctly set current_track in vgm_emu, correct call of Sound_mute_voices() in nsf_emu. Additionally migrate few floating point code to fixed point -- even though this is unused and therefor commented out.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30490 a1c6a512-1295-4272-9138-f99709370657
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compiling. Fixes compiler warnings for mingw and cygwin simulatior builds.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30468 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30400 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30399 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30398 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30397 a1c6a512-1295-4272-9138-f99709370657
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block instead.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30396 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30395 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30394 a1c6a512-1295-4272-9138-f99709370657
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settings with a dedicated function to determine if the current track shall be looped. Used by several synthesizer codecs.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30391 a1c6a512-1295-4272-9138-f99709370657
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emu2413-function to speed up PP5022 by up to 6%.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30379 a1c6a512-1295-4272-9138-f99709370657
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codecs.h now.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30373 a1c6a512-1295-4272-9138-f99709370657
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unsigned to simplify generated code, gives a small speedup on cf.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30372 a1c6a512-1295-4272-9138-f99709370657
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toolchain, no speed diff.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30371 a1c6a512-1295-4272-9138-f99709370657
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functions static, saves a few hundred bytes and might give a tiny speedup.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30370 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30368 a1c6a512-1295-4272-9138-f99709370657
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buffer chunks.
* Samples and position indication is closely associated with audio data
instead of compensating by a latency constant. Alleviates problems with
using the elapsed as a track indicator where it could be off by several
steps.
* Timing is accurate throughout track even if resampling for pitch shift,
whereas before it updated during transition latency at the normal 1:1 rate.
* Simpler PCM buffer with a constant chunk size, no linked lists.
In converting crossfade, a minor change was made to not change the WPS until
the fade-in of the incoming track, whereas before it would change upon the
start of the fade-out of the outgoing track possibly having the WPS change
with far too much lead time.
Codec changes are to set elapsed times *before* writing next PCM frame because
time and position data last set are saved in the next committed PCM chunk.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30366 a1c6a512-1295-4272-9138-f99709370657
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handle leak from test util.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30360 a1c6a512-1295-4272-9138-f99709370657
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drc_info structure require a size of 64 due to the related implementation. This code section would not have been called as the decoder checks the number of channels and rejects decoding for files using more than MAX_CHANNELS (2). Closes FS#12245.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30356 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30347 a1c6a512-1295-4272-9138-f99709370657
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emulator. The speed on PP5022 increases by 0-5% (NSF, YM2413-VGM), 5-10% (GBS, VGM) and 10-15% (SGC, KSS, AY).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30331 a1c6a512-1295-4272-9138-f99709370657
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Centralize the selection of codec compilation flags to codec.make
to avoid having to duplicate the per cpu selection logic and the
build rule in the individual codec lib make files and make tweaking
easier.
The two special cases, libmad and libspeex were left alone.
I plan to introduce a var for arm generation so that appropriate flags
can be selected per generation as benchmarking results have shown that
different arm arches might have different optimal flags.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30330 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30329 a1c6a512-1295-4272-9138-f99709370657
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now uses -O1 except for the 2413 emulator. The speed on PP5022 increases by 0-5% (NSF, YM2413-VGM), 5-10% (GBS, VGM) and 10-15% (SGC, KSS, AY).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30328 a1c6a512-1295-4272-9138-f99709370657
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through changes of the buffer configuration and an update of the resampler code. Additionally enable VGM for low memory targets and update the manual.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30327 a1c6a512-1295-4272-9138-f99709370657
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some performance for tracks using the 2616 emulator.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30326 a1c6a512-1295-4272-9138-f99709370657
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LFO_FREQ_TAB[] are obselete.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30319 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30313 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30301 a1c6a512-1295-4272-9138-f99709370657
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optimization on a clean code base. As first step move the sample buffers to IRAM which results in a 1-5% speedup for all codecs.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30284 a1c6a512-1295-4272-9138-f99709370657
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enabling of NSF and SGC codecs for low memory targets. The main lookup table only requires byte precision and can be used by 2413 and 8950 emulators. Update the manual accordingly.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30283 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30282 a1c6a512-1295-4272-9138-f99709370657
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(ym2413, ym2612) still use floating point.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30281 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30280 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30279 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30278 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30277 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30274 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30268 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30267 a1c6a512-1295-4272-9138-f99709370657
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targets for now.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30265 a1c6a512-1295-4272-9138-f99709370657
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formats (AY, GBS, HES, KSS, SGC, VGM and VGZ) and replaces the current NSF and NSFE with a new implementation based on a port of the Game Music Emu library 'GME'. This first submit does not cover the full functionality provided by the author's original patch: Coleco-SGV is not supported, some GME-specific m3u-support has been removed and IRAM is not used yet. Further changes are very likely to follow this submit. Thanks to Mauricio Garrido.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30264 a1c6a512-1295-4272-9138-f99709370657
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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30240 a1c6a512-1295-4272-9138-f99709370657
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