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1 /* The copyright in this software is being made available under the BSD
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2 * License, included below. This software may be subject to other third party
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3 * and contributor rights, including patent rights, and no such rights are
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4 * granted under this license.
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5 *
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6 * Copyright (c) 2010-2014, ITU/ISO/IEC
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7 * All rights reserved.
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8 *
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9 * Redistribution and use in source and binary forms, with or without
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10 * modification, are permitted provided that the following conditions are met:
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11 *
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12 * * Redistributions of source code must retain the above copyright notice,
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13 * this list of conditions and the following disclaimer.
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14 * * Redistributions in binary form must reproduce the above copyright notice,
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15 * this list of conditions and the following disclaimer in the documentation
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16 * and/or other materials provided with the distribution.
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17 * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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18 * be used to endorse or promote products derived from this software without
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19 * specific prior written permission.
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20 *
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21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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22 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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24 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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31 * THE POSSIBILITY OF SUCH DAMAGE.
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32 */
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33
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34 #pragma once
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35
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36 #ifndef __NALWRITE__
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37 #define __NALWRITE__
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38
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39 #include <ostream>
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40
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41 #include "TLibCommon/TypeDef.h"
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42 #include "TLibCommon/TComBitStream.h"
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43 #include "TLibCommon/NAL.h"
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44
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45 //! \ingroup TLibEncoder
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46 //! \{
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47
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48 /**
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49 * A convenience wrapper to NALUnit that also provides a
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50 * bitstream object.
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51 */
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52 struct OutputNALUnit : public NALUnit
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53 {
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54 /**
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55 * construct an OutputNALunit structure with given header values and
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56 * storage for a bitstream. Upon construction the NALunit header is
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57 * written to the bitstream.
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58 */
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59 OutputNALUnit(
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60 NalUnitType nalUnitType,
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61 UInt temporalID = 0,
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62 UInt reserved_zero_6bits = 0)
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63 : NALUnit(nalUnitType, temporalID, reserved_zero_6bits)
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64 , m_Bitstream()
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65 {}
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66
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67 OutputNALUnit& operator=(const NALUnit& src)
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68 {
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69 m_Bitstream.clear();
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70 static_cast<NALUnit*>(this)->operator=(src);
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71 return *this;
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72 }
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73
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74 TComOutputBitstream m_Bitstream;
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75 };
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76
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77 Void write(std::ostream& out, OutputNALUnit& nalu);
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78 Void writeRBSPTrailingBits(TComOutputBitstream& bs);
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79
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80 inline NALUnitEBSP::NALUnitEBSP(OutputNALUnit& nalu)
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81 : NALUnit(nalu)
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82 {
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83 write(m_nalUnitData, nalu);
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84 }
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85
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86 //! \}
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87
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88 #endif
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