source: SHVCSoftware/branches/SHM-2.1-dev/source/Lib/TLibEncoder/NALwrite.h @ 235

/* The copyright in this software is being made available under the BSD
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 * granted under this license.
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 */

#pragma once

#include <ostream>

#include "TLibCommon/TypeDef.h"
#include "TLibCommon/TComBitStream.h"
#include "TLibCommon/NAL.h"

//! \ingroup TLibEncoder
//! \{

/**
 * A convenience wrapper to NALUnit that also provides a
 * bitstream object.
 */
struct OutputNALUnit : public NALUnit
{
  /**
   * construct an OutputNALunit structure with given header values and
   * storage for a bitstream.  Upon construction the NALunit header is
   * written to the bitstream.
   */
  OutputNALUnit(
    NalUnitType nalUnitType,
    UInt temporalID = 0,
#if SVC_EXTENSION
    UInt     layerId = 0,
#endif
    UInt reserved_zero_6bits = 0)
#if SVC_EXTENSION
  : NALUnit(nalUnitType, temporalID, layerId, reserved_zero_6bits)
#else
  : NALUnit(nalUnitType, temporalID, reserved_zero_6bits)
#endif
  , m_Bitstream()
  {}

  OutputNALUnit& operator=(const NALUnit& src)
  {
    m_Bitstream.clear();
    static_cast<NALUnit*>(this)->operator=(src);
    return *this;
  }

  TComOutputBitstream m_Bitstream;
};

void write(std::ostream& out, OutputNALUnit& nalu);
void writeRBSPTrailingBits(TComOutputBitstream& bs);

inline NALUnitEBSP::NALUnitEBSP(OutputNALUnit& nalu)
  : NALUnit(nalu)
{
  write(m_nalUnitData, nalu);
}

void copyNaluData(OutputNALUnit& naluDest, const OutputNALUnit& naluSrc);

//! \}