1 files changed, 72 insertions, 0 deletions
diff --git a/spa/plugins/audioconvert/peaks-ops.h b/spa/plugins/audioconvert/peaks-ops.h
new file mode 100644
index 0000000..29da794
--- /dev/null
+++ b/spa/plugins/audioconvert/peaks-ops.h
@@ -0,0 +1,72 @@
+/* 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 <string.h>
+#include <stdio.h>
+
+#include <spa/utils/defs.h>
+
+struct peaks {
+	uint32_t cpu_flags;
+	const char *func_name;
+
+	struct spa_log *log;
+
+	uint32_t flags;
+
+	void (*min_max) (struct peaks *peaks, const float * SPA_RESTRICT src,
+		uint32_t n_samples, float *min, float *max);
+	float (*abs_max) (struct peaks *peaks, const float * SPA_RESTRICT src,
+			uint32_t n_samples, float max);
+
+	void (*free) (struct peaks *peaks);
+};
+
+int peaks_init(struct peaks *peaks);
+
+#define peaks_min_max(peaks,...)	(peaks)->min_max(peaks, __VA_ARGS__)
+#define peaks_abs_max(peaks,...)	(peaks)->abs_max(peaks, __VA_ARGS__)
+#define peaks_free(peaks)		(peaks)->free(peaks)
+
+#define DEFINE_MIN_MAX_FUNCTION(arch)				\
+void peaks_min_max_##arch(struct peaks *peaks,			\
+		const float * SPA_RESTRICT src,			\
+		uint32_t n_samples, float *min, float *max);
+
+#define DEFINE_ABS_MAX_FUNCTION(arch)				\
+float peaks_abs_max_##arch(struct peaks *peaks,			\
+		const float * SPA_RESTRICT src,			\
+		uint32_t n_samples, float max);
+
+#define PEAKS_OPS_MAX_ALIGN	16
+
+DEFINE_MIN_MAX_FUNCTION(c);
+DEFINE_ABS_MAX_FUNCTION(c);
+
+#if defined (HAVE_SSE)
+DEFINE_MIN_MAX_FUNCTION(sse);
+DEFINE_ABS_MAX_FUNCTION(sse);
+#endif
+
+#undef DEFINE_FUNCTION