NALread.cpp

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/**
 \file     NALread.cpp
 \brief    reading functionality for NAL units
 */


#include <vector>
#include <algorithm>
#include <ostream>

#include "NALread.h"

#include "CommonLib/NAL.h"
#include "CommonLib/BitStream.h"
#include "CommonLib/Rom.h"
#include "CommonLib/dtrace_next.h"

#if RExt__DECODER_DEBUG_BIT_STATISTICS
#include "CommonLib/CodingStatistics.h"
#endif

using namespace std;

//! \ingroup DecoderLib
//! \{
static void convertPayloadToRBSP(vector<uint8_t>& nalUnitBuf, InputBitstream *bitstream, bool isVclNalUnit)
{
  uint32_t zeroCount = 0;
  vector<uint8_t>::iterator it_read, it_write;

  uint32_t pos = 0;
  bitstream->clearEmulationPreventionByteLocation();
  for (it_read = it_write = nalUnitBuf.begin(); it_read != nalUnitBuf.end(); it_read++, it_write++, pos++)
  {
    CHECK(zeroCount >= 2 && *it_read < 0x03, "Zero count is '2' and read value is small than '3'");
    if (zeroCount == 2 && *it_read == 0x03)
    {