+# === URLS ===
+#BT_TRACKER = "http://p2p-next-10.grid.pub.ro:6969/announce"
+# BitTorrent tracker URL.
+BT_TRACKER = 'http://p2p-next-10.grid.pub.ro:6969/announce'
+# Web server's URL for content ingestion completion.
+WS_COMPLETION = 'http://p2p-next-03.grid.pub.ro:8081/cis_completion'
+#WS_COMPLETION = 'http://koala.cs.pub.ro/video/cis_completion'
+
+
+# === CIS PATHS ===
+RAW_VIDEOS_PATH = 'tmp/raw'
+THUMBS_PATH = 'tmp/thumbs'
+MEDIA_PATH = '/home/p2p/export/p2p-tube/media'
+# In a distributed file system for multi-CIS.
+TORRENTS_PATH = '/home/p2p/export/p2p-tube/torrents'
+
+
+# === EXTERNAL PROGRAMS API CLASSES ===
+# API class for a prgram which retrives audio/video information, like duration.
+AVINFO_CLASS = ffmpeg.FFprobeAVInfo
+# API class for a prgram which transcodes an audio/video file.