From bf33f3893e98f05f2df964701f753021abf74a7b Mon Sep 17 00:00:00 2001
From: Cort Buffington <n0mjs@me.com>
Date: Sat, 16 Jan 2016 18:28:39 -0600
Subject: [PATCH] Alternate Subscriber ID for repeat transmission

Added a feature whereby a user can configure an alternate subscriber ID
in the config file that will be used for all group traffic repeated.
---
 playback.py               | 11 ++++++++---
 playback_config_SAMPLE.py |  7 +++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/playback.py b/playback.py
index 9e4340a..72d2a7d 100755
--- a/playback.py
+++ b/playback.py
@@ -30,9 +30,12 @@ try:
 except ImportError:
     sys.exit('Configuration file not found or invalid')
 
-HEX_TGID  = hex_str_3(TGID)
-HEX_SUB   = hex_str_3(SUB)
-BOGUS_SUB = '\xFF\xFF\xFF'
+HEX_TGID    = hex_str_3(TGID)
+HEX_SUB     = hex_str_3(SUB)
+BOGUS_SUB   = '\xFF\xFF\xFF'
+if GROUP_SRC_SUB:
+    logger.info('Playback: USING SUBSCRIBER ID: %s FOR GROUP REPEAT', GROUP_SRC_SUB)
+    HEX_GRP_SUB = hex_str_3(GROUP_SRC_SUB)
 
 class playbackIPSC(IPSC):
     
@@ -61,6 +64,8 @@ class playbackIPSC(IPSC):
                     for i in self.CALL_DATA:
                         _tmp_data = i
                         _tmp_data = _tmp_data.replace(_peerid, NETWORK[_network]['LOCAL']['RADIO_ID'])
+                        if GROUP_SRC_SUB:
+                            _tmp_data = _tmp_data.replace(_src_sub, HEX_GRP_SUB)
                         _tmp_data = self.hashed_packet(NETWORK[_network]['LOCAL']['AUTH_KEY'], _tmp_data)
                         # Send the packet to all peers in the target IPSC
                         self.send_to_ipsc(_tmp_data)
diff --git a/playback_config_SAMPLE.py b/playback_config_SAMPLE.py
index f7c4190..ddccc35 100755
--- a/playback_config_SAMPLE.py
+++ b/playback_config_SAMPLE.py
@@ -13,6 +13,13 @@ TGID = 12345
 #    one, you still have to use the parenthesis and comma. Just
 #    deal with it, or make it better. TS1 = 0, TS2 = 1.
 GROUP_TS = (1,)
+# ALTERNATE SOURCE SUBSCRIBER ID FOR REPEATED TRANSMISSION
+#   Some folks have radios that don't respond to their own subscriber
+#   IDs. Some just don't want to have the playback come from the same
+#   subscriber ID. If this variable is set to something, it will
+#   be used as the source subscriber for playback.
+#       SET TO 0 TO NOT USE THIS FEATURE!!!
+GROUP_SRC_SUB = 0
 
 
 # ENABLE PRIVATE VOICE PLAYBACK?