Pinos modules: Parse options with getopt

Make it possible to add options for modules in pinos.conf.in.
Only a few options for videotestsrc is supported at the moment.

pinos/modules/spa/module.c

@@ -18,6 +18,10 @@
  * Boston, MA 02110-1301, USA.
  */
 
+#include <getopt.h>
+#include <limits.h>
+
+#include <client/utils.h>
 #include <server/core.h>
 #include <server/module.h>
 
@@ -27,18 +31,63 @@
 bool
 pinos__module_init (PinosModule * module, const char * args)
 {
-  pinos_spa_monitor_load (module->core, "build/spa/plugins/alsa/libspa-alsa.so", "alsa-monitor", args);
+  PinosProperties *video_props = NULL;
-  pinos_spa_monitor_load (module->core, "build/spa/plugins/v4l2/libspa-v4l2.so", "v4l2-monitor", args);
+
+  if (args != NULL) {
+    char **tmp_argv;
+    char **argv;
+    int n_tokens;
+    int opt = 0;
+
+    tmp_argv = pinos_split_strv (args, " \t", INT_MAX, &n_tokens);
+
+    argv = malloc ((n_tokens+1) * sizeof (char *));
+    /* getopt expects name of executable on the first place of argv */
+    argv[0] = "videotestsrc";
+
+    for (int i = 1; i <= n_tokens; i++) {
+      argv[i] = tmp_argv[i-1];
+    }
+
+    video_props = pinos_properties_new (NULL, NULL);
+
+    static struct option long_options[] = {
+      {"filter",      required_argument,  0,  'f' },
+      {"pattern",     required_argument,  0,  'p' },
+      {"resolution",  required_argument,  0,  'r' },
+      {0,             0,                  0,  0   }
+    };
+
+    while ((opt = getopt_long (n_tokens+1, argv, "p:r:f:", long_options, NULL)) != -1) {
+      switch (opt) {
+        case 'f':
+          pinos_properties_set (video_props, "filter", optarg);
+          break;
+        case 'p':
+          pinos_properties_set (video_props, "pattern", optarg);
+          break;
+        case 'r':
+          pinos_properties_set (video_props, "resolution", optarg);
+          break;
+        default:
+          break;
+      }
+    }
+    free (argv);
+  }
+
+  pinos_spa_monitor_load (module->core, "build/spa/plugins/alsa/libspa-alsa.so", "alsa-monitor");
+  pinos_spa_monitor_load (module->core, "build/spa/plugins/v4l2/libspa-v4l2.so", "v4l2-monitor");
   pinos_spa_node_load (module->core,
                        "build/spa/plugins/audiotestsrc/libspa-audiotestsrc.so",
                        "audiotestsrc",
                        "audiotestsrc",
-                       NULL, args);
+                       NULL);
   pinos_spa_node_load (module->core,
                        "build/spa/plugins/videotestsrc/libspa-videotestsrc.so",
                        "videotestsrc",
                        "videotestsrc",
-                       NULL, args);
+                       video_props);
 
   return TRUE;
 }

pinos/modules/spa/spa-monitor.c

@@ -171,8 +171,7 @@ on_monitor_event  (SpaMonitor      *monitor,
 PinosSpaMonitor *
 pinos_spa_monitor_load (PinosCore  *core,
                         const char *lib,
-                        const char *factory_name,
+                        const char *factory_name)
-                        const char *args)
 {
   PinosSpaMonitorImpl *impl;
   PinosSpaMonitor *this;

pinos/modules/spa/spa-monitor.h

@@ -41,8 +41,7 @@ struct _PinosSpaMonitor {
 
 PinosSpaMonitor *      pinos_spa_monitor_load     (PinosCore  *core,
                                                    const char *lib,
-                                                   const char *factory_name,
+                                                   const char *factory_name);
-                                                   const char *args);
 void                   pinos_spa_monitor_destroy  (PinosSpaMonitor *monitor);
 
 #ifdef __cplusplus

pinos/modules/spa/spa-node.c

@@ -37,8 +37,7 @@ pinos_spa_node_load (PinosCore  *core,
                      const char *lib,
                      const char *factory_name,
                      const char *name,
-                     PinosProperties *properties,
+                     PinosProperties *properties)
-                     const char *args)
 {
   PinosSpaNode *this;
   PinosSpaNodeImpl *impl;

pinos/modules/spa/spa-node.h

@@ -42,8 +42,7 @@ PinosSpaNode *    pinos_spa_node_load      (PinosCore       *core,
                                             const char      *lib,
                                             const char      *factory_name,
                                             const char      *name,
-                                            PinosProperties *properties,
+                                            PinosProperties *properties);
-                                            const char      *args);
 
 #ifdef __cplusplus
 }