libmist backport from new metadata branch with improved typing and styling
This commit is contained in:
Erik Zandvliet
Thulinma
parent
7a03d3e96c
commit
10fa4b7e7b
88 changed files with 5957 additions and 5757 deletions
504
lib/h264.h
504
lib/h264.h
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@ -1,304 +1,306 @@
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#pragma once
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#include <cstdio>
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#include <cstdlib>
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#include <deque>
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#include <string>
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#include <cstdlib>
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#include <cstdio>
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#include "nal.h"
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#include "bitfields.h"
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#include "bitstream.h"
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#include "nal.h"
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namespace h264 {
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namespace h264{
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std::deque<nalu::nalData> analysePackets(const char * data, unsigned long len);
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std::deque<nalu::nalData> analysePackets(const char *data, size_t len);
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///Struct containing pre-calculated metadata of an SPS nal unit. Width and height in pixels, fps in Hz
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struct SPSMeta {
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unsigned int width;
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unsigned int height;
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/// Struct containing pre-calculated metadata of an SPS nal unit. Width and height in pixels, fps
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/// in Hz
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struct SPSMeta{
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uint32_t width;
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uint32_t height;
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double fps;
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uint8_t profile;
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uint8_t level;
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bool sep_col_plane;
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uint8_t cnt_type;
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bool gaps;///< Gaps in frame num allowed flag
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bool mbs_only;///<MBS only flag
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bool gaps; ///< Gaps in frame num allowed flag
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bool mbs_only; ///< MBS only flag
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uint16_t log2_max_frame_num;
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uint16_t log2_max_order_cnt;
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uint16_t max_ref_frames;///<Maximum number of reference frames
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uint16_t max_ref_frames; ///< Maximum number of reference frames
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};
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///Class for analyzing generic nal units
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class NAL {
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public:
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NAL();
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NAL(std::string & InputData);
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bool ReadData(std::string & InputData, bool raw = false);
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std::string AnnexB(bool LongIntro = false);
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std::string SizePrepended();
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int Type();
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std::string getData();
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protected:
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unsigned int chroma_format_idc;///<the value of chroma_format_idc
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std::string MyData;///<The h264 nal unit data
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};
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//NAL class
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/// Class for analyzing generic nal units
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class NAL{
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public:
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NAL();
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NAL(std::string &InputData);
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bool ReadData(std::string &InputData, bool raw = false);
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std::string AnnexB(bool LongIntro = false);
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std::string SizePrepended();
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int Type();
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std::string getData();
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///Special instance of NAL class for analyzing SPS nal units
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class SPS: public NAL {
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public:
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SPS(): NAL() {};
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SPS(std::string & InputData, bool raw = false);
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SPSMeta getCharacteristics();
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void analyzeSPS();
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protected:
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uint32_t chroma_format_idc; ///< the value of chroma_format_idc
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std::string MyData; ///< The h264 nal unit data
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};
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// NAL class
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/// Special instance of NAL class for analyzing SPS nal units
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class SPS : public NAL{
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public:
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SPS() : NAL(){}
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SPS(std::string &InputData, bool raw = false);
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SPSMeta getCharacteristics();
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void analyzeSPS();
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};
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///Special instance of NAL class for analyzing PPS nal units
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class PPS: public NAL {
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public:
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PPS(): NAL() {};
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PPS(std::string & InputData): NAL(InputData) {};
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void analyzePPS();
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/// Special instance of NAL class for analyzing PPS nal units
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class PPS : public NAL{
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public:
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PPS() : NAL(){}
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PPS(std::string &InputData) : NAL(InputData){}
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void analyzePPS();
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};
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class sequenceParameterSet{
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public:
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sequenceParameterSet(const char *_data = NULL, size_t _dataLen = 0);
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void fromDTSCInit(const std::string &dtscInit);
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SPSMeta getCharacteristics() const;
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class sequenceParameterSet {
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public:
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sequenceParameterSet(const char * _data = NULL, size_t _dataLen = 0);
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void fromDTSCInit(const std::string & dtscInit);
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SPSMeta getCharacteristics() const;
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private:
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const char * data;
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size_t dataLen;
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private:
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const char *data;
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size_t dataLen;
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};
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bool isKeyframe(const char * data, uint32_t len);
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bool isKeyframe(const char *data, uint32_t len);
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class nalUnit {
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public:
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nalUnit(const char * data, size_t len) : payload(data, len) {}
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uint8_t getType() { return payload[0] & 0x1F; }
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uint32_t getSize(){return payload.size();}
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virtual void toPrettyString(std::ostream & out){
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out << "Nal unit of type " << (((uint8_t)payload[0]) & 0x1F) << ", " << payload.size() << " bytes long" << std::endl;
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}
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void write(std::ostream & out){
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//always writes in annex_b style
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out.write("\000\000\000\001", 4);
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out.write(payload.data(), payload.size());
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}
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virtual std::string generate() { return ""; }
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virtual void setSPSNumber(size_t newNumber) {}
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virtual void setPPSNumber(size_t newNumber) {}
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protected:
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std::string payload;
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class nalUnit{
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public:
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nalUnit(const char *data, size_t len) : payload(data, len){}
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virtual ~nalUnit(){}
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uint8_t getType(){return payload[0] & 0x1F;}
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size_t getSize(){return payload.size();}
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virtual void toPrettyString(std::ostream &out){
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out << "Nal unit of type " << (((uint8_t)payload[0]) & 0x1F) << ", " << payload.size()
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<< " bytes long" << std::endl;
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}
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void write(std::ostream &out){
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// always writes in annex_b style
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out.write("\000\000\000\001", 4);
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out.write(payload.data(), payload.size());
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}
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virtual std::string generate(){return "";}
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virtual void setSPSNumber(size_t newNumber){}
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virtual void setPPSNumber(size_t newNumber){}
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protected:
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std::string payload;
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};
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class hrd_parameters {
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public:
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hrd_parameters() {}
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hrd_parameters(Utils::bitstream & bs);
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void toPrettyString(std::ostream & out, size_t indent = 0);
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uint64_t cpbCntMinus1;
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uint8_t bitRateScale;
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uint8_t cpbSizeScale;
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class hrd_parameters{
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public:
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hrd_parameters(){}
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hrd_parameters(Utils::bitstream &bs);
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void toPrettyString(std::ostream &out, size_t indent = 0);
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uint64_t cpbCntMinus1;
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uint8_t bitRateScale;
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uint8_t cpbSizeScale;
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};
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class vui_parameters {
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public:
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vui_parameters() {};
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vui_parameters(Utils::bitstream & bs);
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void generate(Utils::bitWriter & bw);
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void toPrettyString(std::ostream & out, size_t indent = 0);
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bool aspectRatioInfoPresentFlag;
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uint8_t aspectRatioIdc;
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uint16_t sarWidth;
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uint16_t sarHeight;
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bool overscanInfoPresentFlag;
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bool overscanAppropriateFlag;
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bool videoSignalTypePresentFlag;
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uint8_t videoFormat;
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bool videoFullRangeFlag;
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bool colourDescriptionPresentFlag;
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uint8_t colourPrimaries;
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uint8_t transferCharacteristics;
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uint8_t matrixCoefficients;
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bool chromaLocInfoPresentFlag;
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uint64_t chromaSampleLocTypeTopField;
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uint64_t chromaSampleLocTypeBottomField;
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bool timingInfoPresentFlag;
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uint32_t numUnitsInTick;
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uint32_t timeScale;
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bool fixedFrameRateFlag;
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bool nalHrdParametersPresentFlag;
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class vui_parameters{
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public:
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vui_parameters(){}
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vui_parameters(Utils::bitstream &bs);
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void generate(Utils::bitWriter &bw);
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void toPrettyString(std::ostream &out, size_t indent = 0);
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bool vclHrdParametersPresentFlag;
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bool aspectRatioInfoPresentFlag;
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uint8_t aspectRatioIdc;
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uint16_t sarWidth;
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uint16_t sarHeight;
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bool overscanInfoPresentFlag;
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bool overscanAppropriateFlag;
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bool videoSignalTypePresentFlag;
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uint8_t videoFormat;
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bool videoFullRangeFlag;
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bool colourDescriptionPresentFlag;
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uint8_t colourPrimaries;
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uint8_t transferCharacteristics;
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uint8_t matrixCoefficients;
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bool chromaLocInfoPresentFlag;
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uint64_t chromaSampleLocTypeTopField;
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uint64_t chromaSampleLocTypeBottomField;
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bool timingInfoPresentFlag;
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uint32_t numUnitsInTick;
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uint32_t timeScale;
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bool fixedFrameRateFlag;
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bool nalHrdParametersPresentFlag;
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bool lowDelayHrdFlag;
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bool picStructPresentFlag;
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bool bitstreamRestrictionFlag;
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bool motionVectorsOverPicBoundariesFlag;
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uint64_t maxBytesPerPicDenom;
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uint64_t maxBitsPerMbDenom;
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uint64_t log2MaxMvLengthHorizontal;
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uint64_t log2MaxMvLengthVertical;
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uint64_t numReorderFrames;
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uint64_t maxDecFrameBuffering;
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bool vclHrdParametersPresentFlag;
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bool lowDelayHrdFlag;
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bool picStructPresentFlag;
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bool bitstreamRestrictionFlag;
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bool motionVectorsOverPicBoundariesFlag;
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uint64_t maxBytesPerPicDenom;
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uint64_t maxBitsPerMbDenom;
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uint64_t log2MaxMvLengthHorizontal;
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uint64_t log2MaxMvLengthVertical;
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uint64_t numReorderFrames;
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uint64_t maxDecFrameBuffering;
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};
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class spsUnit : public nalUnit {
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public:
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spsUnit(const char * data, size_t len);
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~spsUnit(){
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if (scalingListPresentFlags != NULL){
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free(scalingListPresentFlags);
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}
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}
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std::string generate();
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void toPrettyString(std::ostream & out);
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void scalingList(uint64_t * scalingList, size_t sizeOfScalingList, bool & useDefaultScalingMatrixFlag, Utils::bitstream & bs);
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void setSPSNumber(size_t newNumber);
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uint8_t profileIdc;
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bool constraintSet0Flag;
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bool constraintSet1Flag;
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bool constraintSet2Flag;
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bool constraintSet3Flag;
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bool constraintSet4Flag;
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bool constraintSet5Flag;
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uint8_t levelIdc;
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uint64_t seqParameterSetId;
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uint64_t chromaFormatIdc;
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bool separateColourPlaneFlag;
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uint64_t bitDepthLumaMinus8;
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uint64_t bitDepthChromaMinus8;
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bool qpprimeYZeroTransformBypassFlag;
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bool seqScalingMatrixPresentFlag;
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//Here go scaling lists
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uint8_t * scalingListPresentFlags;
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class spsUnit : public nalUnit{
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public:
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spsUnit(const char *data, size_t len);
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~spsUnit(){
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if (scalingListPresentFlags != NULL){free(scalingListPresentFlags);}
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}
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std::string generate();
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void toPrettyString(std::ostream &out);
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void scalingList(uint64_t *scalingList, size_t sizeOfScalingList,
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bool &useDefaultScalingMatrixFlag, Utils::bitstream &bs);
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void setSPSNumber(size_t newNumber);
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uint8_t profileIdc;
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bool constraintSet0Flag;
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bool constraintSet1Flag;
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bool constraintSet2Flag;
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bool constraintSet3Flag;
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bool constraintSet4Flag;
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bool constraintSet5Flag;
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uint8_t levelIdc;
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uint64_t seqParameterSetId;
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uint64_t ** scalingList4x4;
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bool * useDefaultScalingMatrix4x4Flag;
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uint64_t ** scalingList8x8;
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bool * useDefaultScalingMatrix8x8Flag;
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uint64_t chromaFormatIdc;
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bool separateColourPlaneFlag;
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uint64_t bitDepthLumaMinus8;
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uint64_t bitDepthChromaMinus8;
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bool qpprimeYZeroTransformBypassFlag;
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bool seqScalingMatrixPresentFlag;
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// Here go scaling lists
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uint8_t *scalingListPresentFlags;
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uint64_t **scalingList4x4;
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bool *useDefaultScalingMatrix4x4Flag;
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uint64_t **scalingList8x8;
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bool *useDefaultScalingMatrix8x8Flag;
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uint64_t log2MaxFrameNumMinus4;
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uint64_t picOrderCntType;
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uint64_t log2MaxPicOrderCntLsbMinus4;
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//Here go values for pic_order_cnt_type == 1
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uint64_t maxNumRefFrames;
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bool gapsInFrameNumValueAllowedFlag;
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uint64_t picWidthInMbsMinus1;
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uint64_t picHeightInMapUnitsMinus1;
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bool frameMbsOnlyFlag;
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bool mbAdaptiveFrameFieldFlag;
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bool direct8x8InferenceFlag;
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bool frameCroppingFlag;
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uint64_t frameCropLeftOffset;
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uint64_t frameCropRightOffset;
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uint64_t frameCropTopOffset;
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uint64_t frameCropBottomOffset;
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bool vuiParametersPresentFlag;
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uint64_t log2MaxFrameNumMinus4;
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uint64_t picOrderCntType;
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uint64_t log2MaxPicOrderCntLsbMinus4;
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vui_parameters vuiParams;
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// Here go values for pic_order_cnt_type == 1
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//DERIVATIVE VALUES
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uint8_t derived_subWidthC;
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uint8_t derived_subHeightC;
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uint8_t derived_mbWidthC;
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uint8_t derived_mbHeightC;
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uint64_t derived_bitDepth_Y;
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uint64_t derived_qpBdOffset_Y;
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uint64_t derived_bitDepth_C;
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uint64_t derived_qpBdOffset_C;
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uint64_t derived_rawMbBits;
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uint64_t derived_maxFrameNum;
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uint64_t derived_maxPicOrderCntLsb;
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uint64_t derived_picWidthInMbs;
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uint64_t derived_picWidthInSamples_L;
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uint64_t derived_picWidthInSamples_C;
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uint64_t derived_picHeightInMapUnits;
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uint64_t derived_picSizeInMapUnits;
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uint64_t derived_frameHeightInMbs;
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size_t derived_scalingListSize;
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size_t derived_scalingList4x4Amount;
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size_t derived_scalingList8x8Amount;
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uint64_t maxNumRefFrames;
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bool gapsInFrameNumValueAllowedFlag;
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uint64_t picWidthInMbsMinus1;
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uint64_t picHeightInMapUnitsMinus1;
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bool frameMbsOnlyFlag;
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bool mbAdaptiveFrameFieldFlag;
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bool direct8x8InferenceFlag;
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bool frameCroppingFlag;
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uint64_t frameCropLeftOffset;
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uint64_t frameCropRightOffset;
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uint64_t frameCropTopOffset;
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uint64_t frameCropBottomOffset;
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bool vuiParametersPresentFlag;
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vui_parameters vuiParams;
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// DERIVATIVE VALUES
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uint8_t derived_subWidthC;
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uint8_t derived_subHeightC;
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uint8_t derived_mbWidthC;
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uint8_t derived_mbHeightC;
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uint64_t derived_bitDepth_Y;
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uint64_t derived_qpBdOffset_Y;
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uint64_t derived_bitDepth_C;
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uint64_t derived_qpBdOffset_C;
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uint64_t derived_rawMbBits;
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uint64_t derived_maxFrameNum;
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uint64_t derived_maxPicOrderCntLsb;
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uint64_t derived_picWidthInMbs;
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uint64_t derived_picWidthInSamples_L;
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uint64_t derived_picWidthInSamples_C;
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uint64_t derived_picHeightInMapUnits;
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uint64_t derived_picSizeInMapUnits;
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uint64_t derived_frameHeightInMbs;
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size_t derived_scalingListSize;
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size_t derived_scalingList4x4Amount;
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size_t derived_scalingList8x8Amount;
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};
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class ppsUnit : public nalUnit {
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public:
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ppsUnit(const char * data, size_t len, uint8_t chromaFormatIdc = 0);
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~ppsUnit(){
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if (picScalingMatrixPresentFlags != NULL){
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free(picScalingMatrixPresentFlags);
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}
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}
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void scalingList(uint64_t * scalingList, size_t sizeOfScalingList, bool & useDefaultScalingMatrixFlag, Utils::bitstream & bs);
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void setPPSNumber(size_t newNumber);
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void setSPSNumber(size_t newNumber);
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void toPrettyString(std::ostream & out);
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std::string generate();
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uint64_t picParameterSetId;
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uint64_t seqParameterSetId;
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bool entropyCodingModeFlag;
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bool bottomFieldPicOrderInFramePresentFlag;
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uint64_t numSliceGroupsMinus1;
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uint64_t numrefIdx10DefaultActiveMinus1;
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uint64_t numrefIdx11DefaultActiveMinus1;
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bool weightedPredFlag;
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uint8_t weightedBipredIdc;
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int64_t picInitQpMinus26;
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int64_t picInitQsMinus26;
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int64_t chromaQpIndexOffset;
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bool deblockingFilterControlPresentFlag;
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bool constrainedIntraPredFlag;
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bool redundantPicCntPresentFlag;
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bool transform8x8ModeFlag;
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bool picScalingMatrixPresentFlag;
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//Here go scaling lists
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uint8_t * picScalingMatrixPresentFlags;
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class ppsUnit : public nalUnit{
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public:
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ppsUnit(const char *data, size_t len, uint8_t chromaFormatIdc = 0);
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~ppsUnit(){
|
||||
if (picScalingMatrixPresentFlags != NULL){free(picScalingMatrixPresentFlags);}
|
||||
}
|
||||
void scalingList(uint64_t *scalingList, size_t sizeOfScalingList,
|
||||
bool &useDefaultScalingMatrixFlag, Utils::bitstream &bs);
|
||||
void setPPSNumber(size_t newNumber);
|
||||
void setSPSNumber(size_t newNumber);
|
||||
void toPrettyString(std::ostream &out);
|
||||
std::string generate();
|
||||
|
||||
uint64_t ** scalingList4x4;
|
||||
bool * useDefaultScalingMatrix4x4Flag;
|
||||
uint64_t ** scalingList8x8;
|
||||
bool * useDefaultScalingMatrix8x8Flag;
|
||||
uint64_t picParameterSetId;
|
||||
uint64_t seqParameterSetId;
|
||||
bool entropyCodingModeFlag;
|
||||
bool bottomFieldPicOrderInFramePresentFlag;
|
||||
uint64_t numSliceGroupsMinus1;
|
||||
uint64_t numrefIdx10DefaultActiveMinus1;
|
||||
uint64_t numrefIdx11DefaultActiveMinus1;
|
||||
bool weightedPredFlag;
|
||||
uint8_t weightedBipredIdc;
|
||||
int64_t picInitQpMinus26;
|
||||
int64_t picInitQsMinus26;
|
||||
int64_t chromaQpIndexOffset;
|
||||
bool deblockingFilterControlPresentFlag;
|
||||
bool constrainedIntraPredFlag;
|
||||
bool redundantPicCntPresentFlag;
|
||||
bool transform8x8ModeFlag;
|
||||
bool picScalingMatrixPresentFlag;
|
||||
// Here go scaling lists
|
||||
uint8_t *picScalingMatrixPresentFlags;
|
||||
|
||||
int64_t secondChromaQpIndexOffset;
|
||||
uint64_t **scalingList4x4;
|
||||
bool *useDefaultScalingMatrix4x4Flag;
|
||||
uint64_t **scalingList8x8;
|
||||
bool *useDefaultScalingMatrix8x8Flag;
|
||||
|
||||
size_t derived_scalingListSize;
|
||||
size_t derived_scalingList4x4Amount;
|
||||
size_t derived_scalingList8x8Amount;
|
||||
int64_t secondChromaQpIndexOffset;
|
||||
|
||||
bool status_moreRBSP;
|
||||
size_t derived_scalingListSize;
|
||||
size_t derived_scalingList4x4Amount;
|
||||
size_t derived_scalingList8x8Amount;
|
||||
|
||||
bool status_moreRBSP;
|
||||
};
|
||||
class codedSliceUnit : public nalUnit {
|
||||
public:
|
||||
codedSliceUnit(const char * data, size_t len);
|
||||
void setPPSNumber(size_t newNumber);
|
||||
void toPrettyString(std::ostream & out);
|
||||
class codedSliceUnit : public nalUnit{
|
||||
public:
|
||||
codedSliceUnit(const char *data, size_t len);
|
||||
void setPPSNumber(size_t newNumber);
|
||||
void toPrettyString(std::ostream &out);
|
||||
|
||||
uint64_t firstMbInSlice;
|
||||
uint64_t sliceType;
|
||||
uint64_t picParameterSetId;
|
||||
uint64_t firstMbInSlice;
|
||||
uint64_t sliceType;
|
||||
uint64_t picParameterSetId;
|
||||
};
|
||||
|
||||
class seiUnit : public nalUnit {
|
||||
public:
|
||||
seiUnit(const char * data, size_t len);
|
||||
void toPrettyString(std::ostream & out);
|
||||
class seiUnit : public nalUnit{
|
||||
public:
|
||||
seiUnit(const char *data, size_t len);
|
||||
void toPrettyString(std::ostream &out);
|
||||
|
||||
uint32_t payloadType;
|
||||
uint32_t payloadSize;
|
||||
uint32_t payloadOffset;
|
||||
uint32_t payloadType;
|
||||
uint32_t payloadSize;
|
||||
uint32_t payloadOffset;
|
||||
};
|
||||
|
||||
nalUnit *nalFactory(FILE *in, bool annexb = true);
|
||||
nalUnit *nalFactory(const char *data, size_t len, size_t &offset, bool annexb = true);
|
||||
}// namespace h264
|
||||
|
||||
|
||||
nalUnit * nalFactory(FILE * in, bool annexb = true);
|
||||
nalUnit * nalFactory(const char * data, size_t len, size_t & offset, bool annexb = true);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue