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 | #if SVC_EXTENSION |
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63 | UInt layerId = 0) |
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64 | #else |
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65 | UInt reserved_zero_6bits = 0) |
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66 | #endif |
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67 | #if SVC_EXTENSION |
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68 | : NALUnit(nalUnitType, temporalID, layerId) |
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69 | #else |
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70 | : NALUnit(nalUnitType, temporalID, reserved_zero_6bits) |
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71 | #endif |
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72 | , m_Bitstream() |
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73 | {} |
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74 | |
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75 | OutputNALUnit& operator=(const NALUnit& src) |
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76 | { |
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77 | m_Bitstream.clear(); |
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78 | static_cast<NALUnit*>(this)->operator=(src); |
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79 | return *this; |
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80 | } |
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81 | |
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82 | TComOutputBitstream m_Bitstream; |
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83 | }; |
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84 | |
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85 | Void write(std::ostream& out, OutputNALUnit& nalu); |
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86 | Void writeRBSPTrailingBits(TComOutputBitstream& bs); |
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87 | |
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88 | inline NALUnitEBSP::NALUnitEBSP(OutputNALUnit& nalu) |
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89 | : NALUnit(nalu) |
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90 | { |
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91 | write(m_nalUnitData, nalu); |
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92 | } |
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93 | |
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94 | //! \} |
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95 | |
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96 | #endif |
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