-filter_h g_filter = NULL;
-filter_h g_filter_g = NULL; /*filter for group like folder, tag, playlist, album, year ... */
+static filter_h g_filter = NULL;
+static filter_h g_filter_g = NULL; /*filter for group like folder, tag, playlist, album, year ... */
static int g_cnt = 0;
static int g_media_cnt = 0;
#define test_audio_id "3304285f-1070-41af-8b4e-f0086cc768f3"
#define test_video_id "53c43e7e-53d2-4194-80a6-55d5dcde0def"
#define test_image_id "db1c184c-6f31-43b4-b924-8c00ac5b6197"
static int g_cnt = 0;
static int g_media_cnt = 0;
#define test_audio_id "3304285f-1070-41af-8b4e-f0086cc768f3"
#define test_video_id "53c43e7e-53d2-4194-80a6-55d5dcde0def"
#define test_image_id "db1c184c-6f31-43b4-b924-8c00ac5b6197"
-int g_total_photo_size = 0;
-int g_total_video_size = 0;
-int g_total_mp3_size = 0;
-int g_total_voice_memo_size = 0;
+static int g_total_photo_size = 0;
+static int g_total_video_size = 0;
+static int g_total_mp3_size = 0;
+static int g_total_voice_memo_size = 0;