200 lines
4.0 KiB
C++
200 lines
4.0 KiB
C++
#ifndef AVCINFO_H
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#define AVCINFO_H
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#include "../margin.h"
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#include "../size.h"
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#include "../aspectratio.h"
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namespace IoUtilities {
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class BinaryReader;
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class BitReader;
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}
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namespace Media {
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/*!
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* \brief Type used to store unsigned integer values using golomb coding.
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*/
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typedef uint32 ugolomb;
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/*!
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* \brief Type used to store signed integer values using golomb coding.
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*/
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typedef int32 sgolomb;
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struct TAG_PARSER_EXPORT TimingInfo {
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TimingInfo();
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uint32 unitsInTick;
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uint32 timeScale;
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byte isPresent;
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byte fixedFrameRate;
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int64 defaultDuration() const;
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};
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inline TimingInfo::TimingInfo() :
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unitsInTick(0),
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timeScale(0),
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isPresent(0),
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fixedFrameRate(0)
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{}
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inline int64 TimingInfo::defaultDuration() const
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{
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return 1000000000ll * unitsInTick / timeScale;
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}
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struct TAG_PARSER_EXPORT HrdParameters {
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HrdParameters();
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ugolomb cpbCount;
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byte bitRateScale;
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byte cpbSizeScale;
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byte initialCpbRemovalDelayLength;
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byte cpbRemovalDelayLength;
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byte cpbOutputDelayLength;
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byte timeOffsetLength;
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void parse(IoUtilities::BitReader &reader);
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};
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inline HrdParameters::HrdParameters() :
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cpbCount(0),
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bitRateScale(0),
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cpbSizeScale(0),
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initialCpbRemovalDelayLength(0),
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cpbRemovalDelayLength(0),
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cpbOutputDelayLength(0),
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timeOffsetLength(0)
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{}
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struct TAG_PARSER_EXPORT SpsInfo {
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SpsInfo();
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ugolomb id;
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byte profileIndication;
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byte profileConstraints;
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byte levelIndication;
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ugolomb chromaFormatIndication;
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ugolomb pictureOrderCountType;
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ugolomb log2MaxFrameNum;
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ugolomb log2MaxPictureOrderCountLsb;
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sgolomb offsetForNonRefPic;
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sgolomb offsetForTopToBottomField;
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ugolomb numRefFramesInPicOrderCntCycle;
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byte deltaPicOrderAlwaysZeroFlag;
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byte frameMbsOnly;
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byte vuiPresent;
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AspectRatio pixelAspectRatio;
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TimingInfo timingInfo;
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Margin cropping;
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Size pictureSize;
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byte hrdParametersPresent;
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HrdParameters nalHrdParameters;
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HrdParameters vclHrdParameters;
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byte pictureStructPresent;
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uint16 size;
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void parse(IoUtilities::BinaryReader &reader, uint32 maxSize);
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};
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inline SpsInfo::SpsInfo() :
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id(0),
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profileIndication(0),
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profileConstraints(0),
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levelIndication(0),
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chromaFormatIndication(0),
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pictureOrderCountType(0),
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log2MaxFrameNum(0),
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log2MaxPictureOrderCountLsb(0),
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offsetForNonRefPic(0),
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offsetForTopToBottomField(0),
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numRefFramesInPicOrderCntCycle(0),
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deltaPicOrderAlwaysZeroFlag(0),
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frameMbsOnly(0),
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vuiPresent(0),
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hrdParametersPresent(0),
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pictureStructPresent(0),
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size(0)
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{}
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struct TAG_PARSER_EXPORT PpsInfo {
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PpsInfo();
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ugolomb id;
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ugolomb spsId;
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byte picOrderPresent;
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uint16 size;
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void parse(IoUtilities::BinaryReader &reader, uint32 maxSize);
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};
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inline PpsInfo::PpsInfo() :
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id(0),
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spsId(0),
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picOrderPresent(false),
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size(0)
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{}
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struct TAG_PARSER_EXPORT SliceInfo {
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SliceInfo();
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byte naluType;
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byte naluRefIdc;
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byte type;
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byte ppsId;
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uint32 frameNum;
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bool fieldPicFlag;
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bool bottomFieldFlag;
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uint32 idrPicId;
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uint32 picOrderCntLsb;
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uint32 deltaPicOrderCntBottom;
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uint32 deltaPicOrderCnt[2];
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uint32 firstMbInSlice;
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uint32 sps;
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uint32 pps;
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};
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inline SliceInfo::SliceInfo() :
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naluType(0),
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naluRefIdc(0),
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type(0),
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ppsId(0),
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frameNum(0),
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fieldPicFlag(false),
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bottomFieldFlag(false),
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idrPicId(0),
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picOrderCntLsb(0),
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deltaPicOrderCntBottom(0),
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deltaPicOrderCnt{0,0},
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firstMbInSlice(0),
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sps(0),
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pps(0)
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{}
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class TAG_PARSER_EXPORT AvcFrame {
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AvcFrame();
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private:
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uint64 m_start;
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uint64 m_end;
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uint64 m_ref1;
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uint64 m_ref2;
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bool m_keyframe;
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bool m_hasProvidedTimecode;
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SliceInfo m_sliceInfo;
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uint32 m_presentationOrder;
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uint32 m_decodeOrder;
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};
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inline AvcFrame::AvcFrame() :
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m_start(0),
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m_end(0),
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m_ref1(0),
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m_ref2(0),
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m_keyframe(false),
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m_hasProvidedTimecode(false),
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m_presentationOrder(0),
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m_decodeOrder(0)
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{}
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}
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#endif // AVCINFO_H
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