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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:28:17 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:28:17 +0000 |
commit | 7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch) | |
tree | d483300dab478b994fe199a5d19d18d74153718a /spa/plugins/audioconvert/peaks-ops-c.c | |
parent | Initial commit. (diff) | |
download | pipewire-0bfb2679f751193be0325ef92c84c3863d22ac84.tar.xz pipewire-0bfb2679f751193be0325ef92c84c3863d22ac84.zip |
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'spa/plugins/audioconvert/peaks-ops-c.c')
-rw-r--r-- | spa/plugins/audioconvert/peaks-ops-c.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/peaks-ops-c.c b/spa/plugins/audioconvert/peaks-ops-c.c new file mode 100644 index 0000000..45ab1dc --- /dev/null +++ b/spa/plugins/audioconvert/peaks-ops-c.c @@ -0,0 +1,50 @@ +/* Spa + * + * Copyright © 2022 Wim Taymans + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <math.h> + +#include "peaks-ops.h" + +void peaks_min_max_c(struct peaks *peaks, const float * SPA_RESTRICT src, + uint32_t n_samples, float *min, float *max) +{ + uint32_t n; + float t, mi = *min, ma = *max; + for (n = 0; n < n_samples; n++) { + t = src[n]; + mi = fminf(mi, t); + ma = fmaxf(ma, t); + } + *min = mi; + *max = ma; +} + +float peaks_abs_max_c(struct peaks *peaks, const float * SPA_RESTRICT src, + uint32_t n_samples, float max) +{ + uint32_t n; + for (n = 0; n < n_samples; n++) + max = fmaxf(fabsf(src[n]), max); + return max; +} |