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#pragma once

#include "CommonLib/CommonDef.h"

#include "CommonLib/BitStream.h"

#include "CommonLib/Nal.h"

#include <ostream>

//! \ingroup EncoderLib

//! \{

namespace vvenc {

/**

 * 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(

    vvencNalUnitType nalUnitType,

    uint32_t temporalID = 0,

    uint32_t reserved_zero_6bits = 0)

  : NALUnit(nalUnitType, temporalID, reserved_zero_6bits)

  , m_Bitstream()

  {}

  OutputNALUnit& operator=(const NALUnit& src)

  {

    m_Bitstream.clear();

    static_cast<NALUnit*>(this)->operator=(src);

    return *this;

  }

  OutputBitstream m_Bitstream;

};

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

inline NALUnitEBSP::NALUnitEBSP(OutputNALUnit& nalu)

  : NALUnit(nalu)

{

  write(m_nalUnitData, nalu);

}

} // namespace vvenc

//! \}