| Commit message (Collapse) | Author | Age |
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Replace with rbcodecconfig.h and platform.h includes. Remove now-
unneeded ones as well.
Change-Id: I6111b71e90bf86d9fe272a7916f2d34a5c6dd724
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Some things can just be a bit simpler in handling the list of stages
and some things, especially format change handling, can be simplified
for each stage implementation. Format changes are sent through the
configure() callback.
Hide some internal details and variables from processing stages and
let the core deal with it.
Do some miscellaneous cleanup and keep things a bit better factored.
Change-Id: I19dd8ce1d0b792ba914d426013088a49a52ecb7e
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When it was inactive but enabled, the format change hook was dropping
through to code that it shouldn't execute without it also being active
in processing samples.
Change-Id: Ie7899df0395d3f0d10f2bf2b55ea549dd06749a7
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Use memmove instead of memcpy for overlapping copy, fixes
crackling in sims and warble on my system. Native targets
seem to have been unaffected.
Change-Id: I265d4ce373e224581bd2f5ba15c75b473ec231f2
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If the settings, like samplerate, were to go out of range where
timestretch drops out of processing and then go back to the same as
when they were valid, it would fail to switch back on by itelf.
Change-Id: Ic5bcb268540b0db8e0483117b8a5a0ce5c5a9db0
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Makes quite a huge difference to get rid of 64-bit math in a hot
area. Cuts about 12 MHz. Generic routine generates good code on
ARM and asm cuts no instructions there.
Change-Id: I4ac647406006c42004f9f5ab396cbf4e85688854
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Wrap up the the stereo case into loops and remove unused calculations
hanging out in tdspeed_update().
A wee little bit of code style and column policing.
Change-Id: I8dd3ab4b3e7e56b55dc00c00f3e32996228cc457
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Move code dealing with rockbox specific buflib allocations into a
rockbox specific file and implement buffer allocation with
malloc/free for warble/stand alone lib.
Based on patch by Sean Bartell.
Change-Id: I8cb85dad5890fbd34c1bb26abbb89c0b0f6b55cf
Reviewed-on: http://gerrit.rockbox.org/144
Tested-by: Nils Wallménius <nils@rockbox.org>
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Reviewed-by: Nils Wallménius <nils@rockbox.org>
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Change-Id: Idb6af40df26f5b8499a40e8b98602261ef227044
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Creates a standard buffer passing, local data passing and messaging
system for processing stages. Stages can be moved to their own source
files to reduce clutter and ease assimilation of new ones. dsp.c
becomes dsp_core.c which supports an engine and framework for effects.
Formats and change notifications are passed along with the buffer so
that they arrive at the correct time at each stage in the chain
regardless of the internal delays of a particular one.
Removes restrictions on the number of samples that can be processed at
a time and it pays attention to destination buffer size restrictions
without having to limit input count, which also allows pcmbuf to
remain fuller and safely set its own buffer limits as it sees fit.
There is no longer a need to query input/output counts given a certain
number of input samples; just give it the sizes of the source and
destination buffers.
Works in harmony with stages that are not deterministic in terms of
sample input/output ratio (like both resamplers but most notably
the timestretch). As a result it fixes quirks with timestretch hanging
up with certain settings and it now operates properly throughout its
full settings range.
Change-Id: Ib206ec78f6f6c79259c5af9009fe021d68be9734
Reviewed-on: http://gerrit.rockbox.org/200
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested-by: Michael Sevakis <jethead71@rockbox.org>
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Differences between signed samples cover the entire unsigned 32-bit
range. "abs" will think any difference exceeding INT32_MAX is negative
which is not corrent. Test which argument is greater and subtract the
lesser from it, outputting unsigned difference.
Change-Id: I73a8e5e418d49ff73d1a7c98eeb4731946dcfe84
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All associated files are moved to /lib/rbcodec.
Change-Id: I572ddd2b8a996aae1e98c081d06b1ed356dce222
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