PAD: add function to check if specific DG in queue

The function allows to check e.g. if the previous slide is still in
transmission, in order to postpone the transmission of the current one.

1 files changed, 7 insertions, 0 deletions

diff --git a/src/pad_common.cpp b/src/pad_common.cpp
index 13a96ef..f5da635 100644
--- a/src/pad_common.cpp
+++ b/src/pad_common.cpp
@@ -111,6 +111,13 @@ bool PADPacketizer::QueueFilled() {
     return !queue.empty();
 }
 
+bool PADPacketizer::QueueContainsDG(int apptype_start) {
+    for(std::deque<DATA_GROUP*>::const_iterator it = queue.cbegin(); it != queue.cend(); it++)
+        if((*it)->apptype_start == apptype_start)
+            return true;
+    return false;
+}
+
 pad_t* PADPacketizer::GetPAD() {
     bool pad_flushable = false;