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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
commit7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch)
treed483300dab478b994fe199a5d19d18d74153718a /spa/plugins/audioconvert/peaks-ops-c.c
parentInitial commit. (diff)
downloadpipewire-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.c50
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;
+}