Initial commit

tests/clap/ext/ambisonic.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "../plugin.h"
+
+// This extension can be used to specify the channel mapping used by the plugin.
+static CLAP_CONSTEXPR const char CLAP_EXT_AMBISONIC[] = "clap.ambisonic/3";
+
+// The latest draft is 100% compatible.
+// This compat ID may be removed in 2026.
+static CLAP_CONSTEXPR const char CLAP_EXT_AMBISONIC_COMPAT[] = "clap.ambisonic.draft/3";
+
+static CLAP_CONSTEXPR const char CLAP_PORT_AMBISONIC[] = "ambisonic";
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+enum clap_ambisonic_ordering {
+   // FuMa channel ordering
+   CLAP_AMBISONIC_ORDERING_FUMA = 0,
+
+   // ACN channel ordering
+   CLAP_AMBISONIC_ORDERING_ACN = 1,
+};
+
+enum clap_ambisonic_normalization {
+   CLAP_AMBISONIC_NORMALIZATION_MAXN = 0,
+   CLAP_AMBISONIC_NORMALIZATION_SN3D = 1,
+   CLAP_AMBISONIC_NORMALIZATION_N3D = 2,
+   CLAP_AMBISONIC_NORMALIZATION_SN2D = 3,
+   CLAP_AMBISONIC_NORMALIZATION_N2D = 4,
+};
+
+typedef struct clap_ambisonic_config {
+   uint32_t ordering;      // see clap_ambisonic_ordering
+   uint32_t normalization; // see clap_ambisonic_normalization
+} clap_ambisonic_config_t;
+
+typedef struct clap_plugin_ambisonic {
+   // Returns true if the given configuration is supported.
+   // [main-thread]
+   bool(CLAP_ABI *is_config_supported)(const clap_plugin_t           *plugin,
+                                       const clap_ambisonic_config_t *config);
+
+   // Returns true on success
+   // [main-thread]
+   bool(CLAP_ABI *get_config)(const clap_plugin_t     *plugin,
+                              bool                     is_input,
+                              uint32_t                 port_index,
+                              clap_ambisonic_config_t *config);
+
+} clap_plugin_ambisonic_t;
+
+typedef struct clap_host_ambisonic {
+   // Informs the host that the info has changed.
+   // The info can only change when the plugin is de-activated.
+   // [main-thread]
+   void(CLAP_ABI *changed)(const clap_host_t *host);
+} clap_host_ambisonic_t;
+
+#ifdef __cplusplus
+}
+#endif