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Michael Sevakis 61d0583384 Greatly reduce volume-change zipper artifacts with SW volume. 
Uses a cosine factor to smoothly shift the PCM level from the old level
to the new one over the length of a frame.

Implements indirect calls to PCM scaling function instead of testing
conditions on every callback, cleanly assigning a different call to
do the volume transition. The volume change call then assigns the final
scaling function.

Change-Id: If1004b92a91c5ca766dd0e4014ec274636e8ed26
Reviewed-on: http://gerrit.rockbox.org/763
Reviewed-by: Michael Sevakis <jethead71@rockbox.org>
Tested: Michael Sevakis <jethead71@rockbox.org>
2014-03-08 08:04:41 +01:00
..
asm kernel: Break out kernel primitives into separate files and move to separate dir. 2014-03-03 18:11:57 +01:00
common application(ypr0): Fix mount option selected by the current codepage. 2014-02-28 07:22:37 +01:00
decompressor
drivers Fix more reds. 2014-03-03 20:26:08 +01:00
export Greatly reduce volume-change zipper artifacts with SW volume. 2014-03-08 08:04:41 +01:00
include samsungypr0: Support or mounting the microsd 2014-02-23 20:23:52 +01:00
kernel kernel: Break out kernel primitives into separate files and move to separate dir. 2014-03-03 18:11:57 +01:00
libc gmtime: avoid a modulus 2012-03-18 10:09:08 +01:00
target Gigabeat S: Improve headphone thread implementation. 2014-03-06 17:28:26 -05:00
test Make fat test tool build again, and make its sector size configurable. 2014-01-03 23:57:32 +01:00
usbstack Coding style fix for bde5394 2014-02-10 07:46:13 +01:00
arabjoin.c
arabjoin.h
ata_idle_notify.c
backlight-sw-fading.c
backlight.c
bidi.c bidi.c: Check buffer sizes. 2014-01-09 23:30:32 +01:00
buflib.c buflib: Add a define telling the per-alloc overhead. 2014-02-02 19:40:38 +01:00
COPYING
core_alloc.c buflib: Properly support allocations without any name, to avoid wasting space 2014-02-02 19:40:38 +01:00
debug.c
eeprom_settings.c
enc_base.c
events.c
firmware.make kernel: Break out kernel primitives into separate files and move to separate dir. 2014-03-03 18:11:57 +01:00
font.c fonts: Fix regression(s) caused by c23ce62. 2014-01-26 14:01:48 +01:00
font_cache.c fonts: Do not unload completely on USB. 2014-01-15 23:37:39 +01:00
general.c kernel: Break out kernel primitives into separate files and move to separate dir. 2014-03-03 18:11:57 +01:00
hangul.c
ifp_usb_serial.c
load_code.c Fix various reds. Some includes needed fixup. 2014-03-03 19:10:48 +01:00
logf.c Print `last logf lines on panic(). 2014-01-11 11:37:18 +01:00
lru.c
panic.c Print `last logf lines on panic(). 2014-01-11 11:37:18 +01:00
pcm.c Greatly reduce volume-change zipper artifacts with SW volume. 2014-03-08 08:04:41 +01:00
pcm_mixer.c Enable setting of global output samplerate on certain targets. 2013-07-06 04:22:04 +02:00
pcm_sampr.c
pcm_sw_volume.c Greatly reduce volume-change zipper artifacts with SW volume. 2014-03-08 08:04:41 +01:00
powermgmt.c Add set_sleeptimer_duration function in minutes 2012-10-06 11:59:13 +02:00
profile.c
README
rolo.c Fix reds. Also apply the new scrolling to lcd charcell (this even uncovered an 2013-12-15 00:38:48 +01:00
rom.lds rombox: Do not copy .init section to ram on startup. 2014-01-20 10:42:02 +01:00
screendump.c screendump.c: use HOME_DIR instead of the hard-coded "" (root) 2013-09-27 09:21:05 +02:00
scroll_engine.c scroll_engine: Fix FS#12894: Text scrolling stops working after a few seconds/minutes 2014-01-12 21:29:55 +01:00
sdmmc.c
sound.c Add DAC's oversampling filter roll-off selection to sound settings. 2013-05-24 11:18:16 +04:00
SOURCES kernel: Break out kernel primitives into separate files and move to separate dir. 2014-03-03 18:11:57 +01:00
storage.c Cleanup MV/MD macros a little. 2013-08-17 12:18:22 -04:00
system.c
timer.c
tuner.c Add stub STFM1000 tuner driver 2012-05-19 16:10:52 +02:00
usb.c USB: Detect charging-only mode upon cable insert, not host detect. 2013-05-22 02:28:31 -04:00

README 

See docs/README