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31 commits

Author SHA1 Message Date
Wim Taymans
1ae4374ccf Fix compilation with -Werror=float-conversion 
Better make the conversions explicit so that we don't get any surprises.

Fixes #4065
 2024-06-18 12:17:56 +02:00
Wim Taymans
82b2515af3 test: avoid left shift on signed values 
See #3572
 2023-10-15 22:27:44 +02:00
Wim Taymans
463e723a1e test: add more lossless tests 
Also test that S16->F32->S32 and U16->F32->U32 are lossless.
 2023-04-06 10:00:17 +02:00
Barnabás Pőcze
934ab3036e treewide: use SPDX tags to specify copyright information 
SPDX tags make the licensing information easy to understand and clear,
and they are machine parseable.

See https://spdx.dev for more information.
 2023-02-16 10:54:48 +00:00
Wim Taymans
b1b8b0985a audioconvert: fix rounding on arm neon 
Add the neon functions to the test
 2022-07-21 17:24:55 +02:00
Wim Taymans
a4db745a7e audioconvert: improve noise shaping 
Reorganize things a little so we can add more noise shapers.
Add sloped triangular noise.
Add wanamaker3 noise shaping.
 2022-07-15 12:36:15 +02:00
Wim Taymans
a458b39774 tests: add test for rounding 2022-07-14 10:48:37 +02:00
Wim Taymans
0ba3e7c5db audioconvert: round instead of truncate, to reduce distortion 
See #2543
 2022-07-13 20:56:13 +02:00
Wim Taymans
68f883ff77 audioconvert: fix dither scale 
Rectangular dither should be [-0.5, 0.5]
Triangular dither should be [-1.0, 1.0]
Noise should add extra bits.
 2022-07-11 17:19:28 +02:00
Wim Taymans
9a5a71dda9 tests: add test for noise 2022-07-11 15:49:44 +02:00
Wim Taymans
3ffb9f4b26 audioconvert: improve s24_32 and u24_32 conversion 
We should ignore the upper 8 bits, so first shift them out and then
use the s32/u32 conversion functions.
Add a test for this.
 2022-07-09 18:07:49 +02:00
Wim Taymans
b8a4bf880f audioconvert: use 24 bits for 32 formats 
The float only preserves 24 bits so use this. Otherwise we get overflows
and errors in clang.
 2022-07-07 18:38:32 +02:00
Wim Taymans
987784b629 tests: add test for s24/u24 swap 2022-07-05 16:34:22 +02:00
Wim Taymans
c4cc13c094 audioconvert: use right scale value 
Disable assert, it seems to fail on clang.
 2022-07-05 16:02:24 +02:00
Wim Taymans
f62244d7a9 audioconvert: tweak more conversion constants 
Tweak some more constants to make lossless conversions work.
Add some tests for lossless conversion.
Add some more tests.
 2022-07-05 15:50:05 +02:00
Wim Taymans
22317da685 audioconvert: tweak conversion constants 
Tweak the conversion constants a bit so that they handle the
extreme ranges a bit better.
Align the C and vector instructions.
Reactivate the unit test asserts when a conversion fails.
 2022-07-05 12:20:02 +02:00
Wim Taymans
06b1cf8663 audioconvert: implement (de)interleave with existing functions 2022-06-30 18:24:05 +02:00
Wim Taymans
9f5caa6358 audioconvert: add f64 conversion 
See #1990
 2022-01-10 13:04:31 +01:00
Gleb Popov
12a4fbb425 Use uint16_t instead of int16_t to fix a compiler warning. 2021-10-22 19:05:18 +03:00
Julian Bouzas
20e64b39da fmtconvert: add support for U16, U24, U32 and U24_32 formats 2021-09-08 14:24:26 -04:00
Peter Hutterer
49f3d5842e test: replace all spa_assert() macros with spa_assert_se() 
These are tests, we never want those to be optimized away.
 2021-07-27 10:24:44 +10:00
Barnabás Pőcze
f5d51162c4 treewide: mark things static and const 
Mark some structures, arrays static/const at various places.
In some cases this prevents unnecessary initialization
when a function is entered.

All in all, the text segments across all shared
libraries are reduced by about 2 KiB. However,
the total size increases by about 2 KiB as well.
 2021-06-30 14:44:08 +02:00
Simon McVittie
8dcf76f661 audioconvert tests: Default to using an installed libspa-support 
This makes installed-tests (see commit b852b58f) do the right thing.
For build-time testing, spa/plugins/audioconvert/meson.build overrides
this with the SPA_PLUGIN_DIR environment variable, and for ad-hoc
testing by developers, pw-uninstalled.sh sets the necessary variables.

Signed-off-by: Simon McVittie <smcv@debian.org>
 2020-09-14 18:16:49 +00:00
Wim Taymans
a44bea0b6a tests: check cpu flags 
Use the support plugin to load the CPU detection API and check
for the right CPU flags before running the test.

Fixes #246
 2020-06-09 08:00:00 +02:00
Wim Taymans
6eca935e61 also test optimized versions 2020-03-16 13:08:33 +01:00
Wim Taymans
7e95897a3b fmt-ops: fix test for big endian 2020-02-05 17:09:23 +01:00
Wim Taymans
d8e399dee9 audioconvert: pass state to functions 
Pass some state to convert and channelmix functions. This makes it
possible to select per channel optimized convert functions but
also makes it possible to implement noise shaping later.
Pass the channelmix matrix and volume in the state.
Handle specialized 2 channel s16 -> f32 conversion
 2019-03-29 17:39:59 +01:00
Wim Taymans
d260cb19be audioconvert: compile c version separately 
Also compile the c versions in a separate module with their own
flags.
 2019-03-28 21:07:53 +01:00
Wim Taymans
13bf70a8dd mem: align memory to requested alignment 
Improve the allocators to always align the buffer memory to the
requested alignment
Use aligned read and writes for sse functions and check alignment,
optionally falling back to unaligned path.
Add more tests and benchmark cases
Check and warn for misaligned memory in plugins.
 2019-01-24 18:28:52 +01:00
Wim Taymans
dd66469570 audioconvert: add format conversion benchmark 2019-01-24 09:49:19 +01:00
Wim Taymans
6f586602af audioconvert: add unit test for format conversion 
Add unit test for fmt conversion and fix some bugs
Add empty fmt-ops benchmark
 2019-01-23 15:59:54 +01:00