1 files changed, 93 insertions, 0 deletions
diff --git a/icy-info.py b/icy-info.py
new file mode 100755
index 0000000..14ed558
--- /dev/null
+++ b/icy-info.py
@@ -0,0 +1,93 @@
+#!/usr/bin/python2
+#
+# This script parses the mplayer standard output and
+# extracts ICY info for the mot-encoder.
+#
+# Usage:
+# mplayer <blablabla> | icy-info.py file.dls file-with-default.dls
+#
+# the file-with-default.dls contains DLS text to be sent when there
+# is no ICY info
+
+import re
+import select
+import sys
+import time
+
+re_icy = re.compile(r"""ICY Info: StreamTitle='([^']*)'.*""")
+
+if len(sys.argv) < 3:
+    print("Please specify dls output file, and file containing default text")
+    sys.exit(1)
+
+dls_file = sys.argv[1]
+
+default_textfile = sys.argv[2]
+
+def new_dlstext(text):
+    if text.strip() == "":
+        try:
+            fd = open(default_textfile, "r")
+            text = fd.read().strip()
+            fd.close()
+        except Exception as e:
+            print("Could not read default text from {}: {}".format(default_textfile, e))
+
+    print("New Text: {}".format(text))
+
+    fd = open(dls_file, "w")
+    fd.write(text)
+    fd.close()
+
+wait_timeout = 5
+nodls_timeout = 0
+
+
+while True:
+    # readline is blocking, therefore we cannot send a default text
+    # after some timeout
+    new_data = sys.stdin.readline()
+    if not new_data:
+        break
+
+    match = re_icy.match(new_data)
+
+    if match:
+        artist_title = match.groups()[0]
+        new_dlstext(artist_title)
+    else:
+        print("{}".format(new_data.strip()))
+
+if False:
+    # The select call creates a one ICY delay, and it's not clear why...
+    while True:
+        rfds, wfds, efds = select.select( [sys.stdin], [], [], wait_timeout)
+
+        if rfds:
+            # new data available on stdin
+            print("SELECT !")
+            new_data = sys.stdin.readline()
+            print("DATA ! {}".format(new_data))
+
+            if not new_data:
+                break
+
+            match = re_icy.match(new_data)
+
+            if match:
+                artist_title = match.groups()[0]
+                new_dlstext(artist_title)
+            else:
+                print("{}".format(new_data.strip()))
+
+        else:
+            # timeout reading stdin
+            nodls_timeout += 1
+
+            if nodls_timeout == 100:
+                new_dlstext("")
+                nodls_timeout = 0
+
+        time.sleep(.1)
+
+