mistserver/lib/h265.h
2021-10-19 22:29:40 +02:00

71 lines
1.8 KiB
C++

#pragma once
#include <deque>
#include <map>
#include <set>
#include "bitstream.h"
#include "mp4_generic.h"
#include "nal.h"
namespace h265{
std::deque<nalu::nalData> analysePackets(const char *data, unsigned long len);
const char *typeToStr(uint8_t type);
bool isKeyframe(const char *data, uint32_t len);
void updateProfileTierLevel(Utils::bitstream &bs, MP4::HVCC &hvccBox, unsigned long maxSubLayersMinus1);
std::string printProfileTierLevel(Utils::bitstream &bs, unsigned long maxSubLayersMinus1, size_t indent);
struct metaInfo{
uint64_t width;
uint64_t height;
double fps;
uint8_t general_profile_space;
bool general_tier_flag;
uint8_t general_profile_idc;
uint32_t general_profile_compatflags;
uint8_t constraint_flags[6];
uint8_t general_level_idc;
};
class initData{
public:
initData();
initData(const std::string &hvccData);
void addUnit(const char *data);
void addUnit(const std::string &data);
bool haveRequired();
std::string generateHVCC();
metaInfo getMeta();
const std::set<std::string> &getVPS() const;
const std::set<std::string> &getSPS() const;
const std::set<std::string> &getPPS() const;
protected:
std::map<unsigned int, std::set<std::string> > nalUnits;
};
class vpsUnit{
public:
vpsUnit(const std::string &_data);
void updateHVCC(MP4::HVCC &hvccBox);
std::string toPrettyString(size_t indent);
private:
std::string data;
};
class spsUnit{
public:
spsUnit(const std::string &_data);
void updateHVCC(MP4::HVCC &hvccBox);
std::string toPrettyString(size_t indent = 0);
void getMeta(metaInfo &res);
private:
std::string data;
};
// NOTE: no ppsUnit, as the only information it contains is parallelism mode, which can be set to
// 0 for 'unknown'
}// namespace h265