add ambisonic-encoder filter to spatialaudio module

src/modules/spatialaudio/CMakeLists.txt

@@ -1,4 +1,8 @@
-add_library(mltspatialaudio MODULE factory.c filter_ambisonic-decoder.cpp)
+add_library(mltspatialaudio MODULE
+    factory.c
+    filter_ambisonic-decoder.cpp
+    filter_ambisonic-encoder.cpp
+)
 
 file(GLOB YML "*.yml")
 add_custom_target(Other_spatialaudio_Files SOURCES
@@ -13,4 +17,8 @@ set_target_properties(mltspatialaudio PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${MLT
 
 install(TARGETS mltspatialaudio LIBRARY DESTINATION ${MLT_INSTALL_MODULE_DIR})
 
-install(FILES filter_ambisonic-decoder.yml DESTINATION ${MLT_INSTALL_DATA_DIR}/spatialaudio)
+install(FILES
+    filter_ambisonic-decoder.yml
+    filter_ambisonic-encoder.yml
+    DESTINATION ${MLT_INSTALL_DATA_DIR}/spatialaudio
+)

src/modules/spatialaudio/factory.c

@@ -1,46 +1,52 @@
-/*
- * factory.c -- the factory method interfaces
- * Copyright (C) 2024 Meltytech, LLC
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- */
-
-#include <framework/mlt.h>
-
-#include <limits.h>
-#include <string.h>
-
-extern mlt_filter filter_ambisonic_decoder_init(mlt_profile profile,
-                                                mlt_service_type type,
-                                                const char *id,
-                                                char *arg);
-
-static mlt_properties metadata(mlt_service_type type, const char *id, void *data)
-{
-    char file[PATH_MAX];
-    mlt_properties result = NULL;
-
-    // Load the yaml file
-    snprintf(file, PATH_MAX, "%s/spatialaudio/filter_%s.yml", mlt_environment("MLT_DATA"), id);
-    result = mlt_properties_parse_yaml(file);
-
-    return result;
-}
-
-MLT_REPOSITORY
-{
-    MLT_REGISTER(mlt_service_filter_type, "ambisonic-decoder", filter_ambisonic_decoder_init);
-    MLT_REGISTER_METADATA(mlt_service_filter_type, "ambisonic-decoder", metadata, NULL);
-}
+/*
+ * factory.c -- the factory method interfaces
+ * Copyright (C) 2024 Meltytech, LLC
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include <framework/mlt.h>
+
+#include <limits.h>
+#include <string.h>
+
+extern mlt_filter filter_ambisonic_decoder_init(mlt_profile profile,
+                                                mlt_service_type type,
+                                                const char *id,
+                                                char *arg);
+extern mlt_filter filter_ambisonic_encoder_init(mlt_profile profile,
+                                                mlt_service_type type,
+                                                const char *id,
+                                                char *arg);
+
+static mlt_properties metadata(mlt_service_type type, const char *id, void *data)
+{
+    char file[PATH_MAX];
+    mlt_properties result = NULL;
+
+    // Load the yaml file
+    snprintf(file, PATH_MAX, "%s/spatialaudio/filter_%s.yml", mlt_environment("MLT_DATA"), id);
+    result = mlt_properties_parse_yaml(file);
+
+    return result;
+}
+
+MLT_REPOSITORY
+{
+    MLT_REGISTER(mlt_service_filter_type, "ambisonic-decoder", filter_ambisonic_decoder_init);
+    MLT_REGISTER_METADATA(mlt_service_filter_type, "ambisonic-decoder", metadata, NULL);
+    MLT_REGISTER(mlt_service_filter_type, "ambisonic-encoder", filter_ambisonic_encoder_init);
+    MLT_REGISTER_METADATA(mlt_service_filter_type, "ambisonic-encoder", metadata, NULL);
+}