From cc42203b53967414e4d0badd99f5d443c587b73f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20=C3=96man?= <andreas@lonelycoder.com>
Date: Sun, 9 Jan 2011 22:23:05 +0100
Subject: [PATCH] Make IPTV PAT parser skip over services with service_id set
 to 0

Ticket #318
---
 src/iptv_input.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/iptv_input.c b/src/iptv_input.c
index 70bdb6f4..8a4b2bd7 100644
--- a/src/iptv_input.c
+++ b/src/iptv_input.c
@@ -60,13 +60,18 @@ iptv_got_pat(const uint8_t *ptr, size_t len, void *aux)
   len -= 8;
   ptr += 8;
 
-  if(len < 4)
-    return;
+  while(len >= 4) {
 
-  prognum =  ptr[0]         << 8 | ptr[1];
-  pmt     = (ptr[2] & 0x1f) << 8 | ptr[3];
+    prognum =  ptr[0]         << 8 | ptr[1];
+    pmt     = (ptr[2] & 0x1f) << 8 | ptr[3];
 
-  t->s_pmt_pid = pmt;
+    if(prognum != 0) {
+      t->s_pmt_pid = pmt;
+      return;
+    }
+    ptr += 4;
+    len -= 4;
+  }
 }