From afa692034ff1f8e58acf538ff2d966e3dc883682 Mon Sep 17 00:00:00 2001
From: Cedric BAIL <cedric.bail@free.fr>
Date: Fri, 15 Jul 2011 17:28:13 +0000
Subject: [PATCH] eeze: add v4l device discovery.

SVN revision: 61410
---
 legacy/eeze/src/bin/eeze_udev_test.c  | 19 +++++++++++++++++++
 legacy/eeze/src/lib/Eeze.h            |  4 +++-
 legacy/eeze/src/lib/eeze_udev_find.c  |  3 +++
 legacy/eeze/src/lib/eeze_udev_watch.c | 12 ++++++++++++
 4 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/legacy/eeze/src/bin/eeze_udev_test.c b/legacy/eeze/src/bin/eeze_udev_test.c
index 609325f121..130771a3c4 100644
--- a/legacy/eeze/src/bin/eeze_udev_test.c
+++ b/legacy/eeze/src/bin/eeze_udev_test.c
@@ -204,6 +204,25 @@ main()
         eina_stringshare_del(name);
      }
 
+   printf("\nGot any v4l device ?\n");
+   /* find all V4L device, may be a webcam or anything that can get a video
+    * stream from the real worl in a numerical form */
+   type = eeze_udev_find_by_type(EEZE_UDEV_TYPE_V4L, NULL);
+   type = eeze_udev_find_unlisted_similar(type);
+   EINA_LIST_FREE(type, name)  /* get a device name using the device's syspath */
+     {
+       if ((check = eeze_udev_syspath_get_property(name, "DEVNAME")))
+	 {
+	   if ((check2 = eeze_udev_syspath_get_sysattr(name, "name")))
+	     {
+	       printf("%s: '%s' [%s]\n", name, check2, check);
+	       eina_stringshare_del(check2);
+	     }
+	   eina_stringshare_del(check);
+	 }
+       eina_stringshare_del(name);
+     }
+
    /* set a udev watch, grab all events because no EEZE_UDEV_TYPE filter is specified,
     * set the events to be sent to callback function catch_events(), and attach
     * kbdmouse to the watch as associated data
diff --git a/legacy/eeze/src/lib/Eeze.h b/legacy/eeze/src/lib/Eeze.h
index 80582011d6..19fc7c0a31 100644
--- a/legacy/eeze/src/lib/Eeze.h
+++ b/legacy/eeze/src/lib/Eeze.h
@@ -214,7 +214,9 @@ typedef enum
    /** - Temperature sensor */
    EEZE_UDEV_TYPE_IS_IT_HOT_OR_IS_IT_COLD_SENSOR,
    /** - Network devices */
-   EEZE_UDEV_TYPE_NET
+   EEZE_UDEV_TYPE_NET,
+   /** - WebCam */
+   EEZE_UDEV_TYPE_V4L
 } Eeze_Udev_Type;
 /**@}*/
 
diff --git a/legacy/eeze/src/lib/eeze_udev_find.c b/legacy/eeze/src/lib/eeze_udev_find.c
index 9af9364195..33a8563cd7 100644
--- a/legacy/eeze/src/lib/eeze_udev_find.c
+++ b/legacy/eeze/src/lib/eeze_udev_find.c
@@ -233,6 +233,9 @@ eeze_udev_find_by_type(Eeze_Udev_Type etype,
                 udev_enumerate_add_match_property(en, "ID_MODEL", "Android_*");
                 break;
        */
+      case EEZE_UDEV_TYPE_V4L:
+	udev_enumerate_add_match_subsystem(en, "video4linux");
+        break;
       default:
         break;
      }
diff --git a/legacy/eeze/src/lib/eeze_udev_watch.c b/legacy/eeze/src/lib/eeze_udev_watch.c
index abed70adc9..a071f2a246 100644
--- a/legacy/eeze/src/lib/eeze_udev_watch.c
+++ b/legacy/eeze/src/lib/eeze_udev_watch.c
@@ -267,6 +267,13 @@ _get_syspath_from_watch(void             *data,
 
         break;
 
+      case EEZE_UDEV_TYPE_V4L:
+        if ((!(test = udev_device_get_subsystem(device)))
+            || (strcmp(test, "video4linux")))
+          goto error;
+
+        break;
+
       default:
         break;
      }
@@ -343,6 +350,11 @@ eeze_udev_watch_add(Eeze_Udev_Type     type,
                 udev_monitor_filter_add_match_subsystem_devtype(mon, "input", "usb_interface");
                 break;
        */
+
+      case EEZE_UDEV_TYPE_V4L:
+        udev_monitor_filter_add_match_subsystem_devtype(mon, "video4linux",
+                                                        NULL);
+        break;
       default:
         break;
      }