- add gap sync

git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@425 b431acfa-c32f-4a4a-93f1-934dc6c82436

gr-jay/lib/bit_packer_impl.cc

@@ -47,6 +47,7 @@ bit_packer_impl::bit_packer_impl(int numBitsIn, int numBitsOut, int endianess)
 , m_numBitsIn(numBitsIn)
 , m_numBitsOut(numBitsOut)
 , m_endianess(endianess)
+, m_gapCount(0)
 {}
 
 /*
@@ -81,9 +82,26 @@ bit_packer_impl::general_work (int noutput_items,
 		{
 			m_inputCounter = 0;
 			m_outputCounter = 0;
+			m_output = 0;
 		}
 		else
 		{
+			if (in[i] == 1)
+			{
+				m_gapCount++;
+			}
+			else
+			{
+				m_gapCount = 0;
+			}
+			
+			if (m_gapCount >= 16)
+			{
+				m_inputCounter = 0;
+				m_outputCounter = 0;
+				m_output = 0;
+				continue;
+			}
 			if (m_endianess == 0)
 			{
 				if(m_inputCounter == m_numBitsIn)

gr-jay/lib/bit_packer_impl.h

@@ -36,6 +36,7 @@ namespace gr {
 	int m_numBitsOut;
 	int m_endianess;
 	int m_output;
+	int m_gapCount;
 	
      public:
       bit_packer_impl(int numBitsIn, int numBitsOut, int endianess);