spa: reorganize params

Split files into separate files.
Move type annotations to a matching -types.h files.
Move helpers to matching -utils.h files.
Add helpers to parse generic audio and video info.

spa/include/spa/param/port-config.h

@@ -0,0 +1,66 @@
+/* Simple Plugin API
+ *
+ * Copyright © 2018 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.
+ */
+
+#ifndef SPA_PARAM_PORT_CONFIG_H
+#define SPA_PARAM_PORT_CONFIG_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \addtogroup spa_param
+ * \{
+ */
+
+#include <spa/param/param.h>
+
+enum spa_param_port_config_mode {
+	SPA_PARAM_PORT_CONFIG_MODE_none,	/**< no configuration */
+	SPA_PARAM_PORT_CONFIG_MODE_passthrough,	/**< passthrough configuration */
+	SPA_PARAM_PORT_CONFIG_MODE_convert,	/**< convert configuration */
+	SPA_PARAM_PORT_CONFIG_MODE_dsp,		/**< dsp configuration, depending on the external
+						  *  format. For audio, ports will be configured for
+						  *  the given number of channels with F32 format. */
+};
+
+/** properties for SPA_TYPE_OBJECT_ParamPortConfig */
+enum spa_param_port_config {
+	SPA_PARAM_PORT_CONFIG_START,
+	SPA_PARAM_PORT_CONFIG_direction,	/**< direction, input/output (Id enum spa_direction) */
+	SPA_PARAM_PORT_CONFIG_mode,		/**< (Id enum spa_param_port_config_mode) mode */
+	SPA_PARAM_PORT_CONFIG_monitor,		/**< (Bool) enable monitor output ports on input ports */
+	SPA_PARAM_PORT_CONFIG_control,		/**< (Bool) enable control ports */
+	SPA_PARAM_PORT_CONFIG_format,		/**< (Object) format filter */
+};
+
+/**
+ * \}
+ */
+
+#ifdef __cplusplus
+}  /* extern "C" */
+#endif
+
+#endif /* SPA_PARAM_PORT_CONFIG_H */