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45 commits

Author SHA1 Message Date
Barnabás Pőcze
8c17a6626d treewide: mark some functions static 
These were found by enabling the "missing-declarations" warning.
 2023-07-03 19:40:31 +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
a145c42ec4 audioconvert: make separate noise functions 
So that we can reuse optimized versions in unoptimized noise
functions.
Do allocation a little different so that we can align everything
from the start.
 2022-09-29 21:36:06 +02:00
Wim Taymans
14028c67cd audioconvert: some optimizations 2022-09-29 21:36:06 +02:00
Wim Taymans
c743f4936a audioconvert: use calculated random value 
Use the calculated random value instead of making a new one.
 2022-09-29 09:27:28 +02:00
Wim Taymans
ada39f3048 audioconvert: improve noise bits 
Make a new noise method called PATTERN and use it to add a slow (every
1024 samples) repeating pattern of -1, 0.
Only use this method when we don't already use triangular dither.

See #2540
 2022-07-18 11:41:57 +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
0ba3e7c5db audioconvert: round instead of truncate, to reduce distortion 
See #2543
 2022-07-13 20:56:13 +02:00
Wim Taymans
7745346292 audioconvert: add sse2 s16 dither functions 2022-07-12 10:34:13 +02:00
Wim Taymans
c31928c5f0 audioconvert: add and use CLAMP macros 2022-07-12 10:33:37 +02:00
Wim Taymans
c35006f040 audioconvert: move scaling to setup 2022-07-11 17:50:20 +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
e313149f7f audioconvert: improve SSE2 dither generation 2022-07-11 16:41:12 +02:00
Wim Taymans
277addcca6 audioconvert: add triangular dither 2022-07-11 16:28:51 +02:00
Wim Taymans
dd1d5960b4 audioconvert: implement f64s 
Add swapping functions for f64s.
Fix the awkward interleave/deinterleave names for 32s.
 2022-07-11 10:58:51 +02:00
Wim Taymans
0343e0da73 fmt-ops: fix some missing shifts and min/max 2022-07-07 18:57:03 +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
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
817d5bd7a4 audioconvert: simplify 24 bits handling 
Make a new uint42_t and int24_t type and use that to handle 24 bits
samples. This makes it easier because we can iterate and copy the
structs like other types.
 2022-07-01 12:25:58 +02:00
Wim Taymans
06b1cf8663 audioconvert: implement (de)interleave with existing functions 2022-06-30 18:24:05 +02:00
Wim Taymans
938f2b123e audioconvert: improve format conversion 
Make dither noise as a value between -0.5 and 0.5 and add this
to the scaled samples.
For this, we first need to do the scaling and then the CLAMP to
the target depth. This optimizes to the same code but allows us
to avoid under and overflows when we add the dither noise.

Add more dithering methods.

Expose a dither.method property on audioconvert. Disable dither when
the target depth > 16.
 2022-06-29 14:10:15 +02:00
Wim Taymans
d23b96b033 audioconvert: fix some compiler warnings 2022-06-29 14:08:30 +02:00
Wim Taymans
abe87f8008 audioconvert: use unaligned loads 
We collect 4 channels from the source. When the number of channels is
not a multiple of 4, we need to do unaligned reads.

See #2221
 2022-03-17 10:02:07 +01:00
Barnabás Pőcze
0f28309f07 audioconvert: fix sse2 deinterleave_32 
Fixes #2213
 2022-03-16 10:54:27 +01:00
Wim Taymans
734470f0cd audioconvert: add SSE (de)interleave_32(s) versions 2022-03-11 15:02:02 +01:00
Wim Taymans
a520335581 fmt-ops: add sse2 version of f32 to s16 planar/interleaved 2020-07-03 11:05:26 +02:00
Wim Taymans
3a911dfe3b fmt-ops: add avx2 optimized version 
Only one optimized version but the sse2 version are compiled with
the avx2 flags so that they get optimized better.
 2020-03-16 16:11:29 +01:00
Wim Taymans
fd3dd14ebe fmt-ops: add optimized f32 to s16 stereo conversion 2020-03-16 13:04:21 +01:00
Wim Taymans
0548fbf690 fmt-ops: fix bug in s32 to f32 conversion 2020-03-16 12:57:21 +01:00
Wim Taymans
cb7bfdf98a sprinkly SPA_LIKELY/UNLIKELY around 2020-03-16 12:52:28 +01:00
Wim Taymans
3c9aa2e96c fmt: add sse2 optimized s32->f32d 2019-10-24 11:06:04 +02:00
Wim Taymans
ae3e5787af audioconvert: unroll some loop 2019-04-10 12:53:25 +02:00
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
e7ef13e310 audioconvert: add avx optimizations 2019-03-28 16:45:57 +01:00
Wim Taymans
7f041f4098 audioconvert: improve benchmark 
Also include the simd versions in the benchmark
Fix some issues found by new test
 2019-03-28 13:26:06 +01:00
Wim Taymans
c8d3d475bb audioconvert: handle more optimizations 
Compile an optimized library for the given CPU with the right flags,
then link it with the main library.
 2019-03-27 17:58:48 +01:00
Wim Taymans
ecc3e78ad4 fmt-ops: use faster f32 -> s32 conversion 2019-03-26 17:24:14 +01:00
Wim Taymans
c9bd95ae5b audioconvert: small optimization 2019-03-20 15:57:13 +01:00
Wim Taymans
b265081d6d audioconvert: use macro to transpose 2019-03-20 13:37:20 +01:00
Wim Taymans
fa3bcabbca audioconvert: some more optimizations 2019-03-20 13:04:44 +01:00
Wim Taymans
577852863c fmt: remove debug assert 2019-01-25 09:40:14 +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
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
Wim Taymans
2a252abf50 fmt-ops: small optimization 2019-01-03 11:36:44 +01:00
Wim Taymans
0e91276a03 fmt-ops: SSE functions were really SSE2 
The SSE functions used integer operations and were really SSE2 so
rename.
Optimize some more.
 2018-12-20 16:11:25 +01:00
Renamed from spa/plugins/audioconvert/fmt-ops-sse.c (Browse further)