68a1bff34f
- AV1 support - Support for outputting fragments longer than 30 seconds in duration - Fixed FireFox support for Opus audio tracks - Added support for stdin live input of EBML - Fixed broken timestamps when seeking in VoD EBML files - Analyser now calculates offsets for (manual) double-checking - Added JSON track support to EBML input and output - Added basic input support for SRT/ASS/SSA subtitles - Opus CODECDELAY now actually calculated. - Fixed Opus in Firefox - Improved MP3 support, more robust handling of corruption, support for non-standard timescale sources
123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
#include <stdint.h>
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#include <string>
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namespace EBML{
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class UniInt{
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public:
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static uint8_t readSize(const char *p);
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static uint8_t writeSize(const uint64_t val);
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static uint64_t readInt(const char *p);
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static void writeInt(char *p, const uint64_t val);
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static int64_t readSInt(const char *p);
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static void writeSInt(char *p, const int64_t val);
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};
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enum ElementType{
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ELEM_UNKNOWN,
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ELEM_MASTER,
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ELEM_UINT,
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ELEM_INT,
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ELEM_STRING,
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ELEM_UTF8,
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ELEM_BIN,
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ELEM_FLOAT,
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ELEM_DATE,
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ELEM_BLOCK
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};
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enum ElementID{
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EID_EBML = 0x0A45DFA3,
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EID_EBMLVERSION = 0x286,
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EID_EBMLREADVERSION = 0x2F7,
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EID_EBMLMAXIDLENGTH = 0x2F2,
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EID_EBMLMAXSIZELENGTH = 0x2F3,
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EID_DOCTYPE = 0x282,
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EID_DOCTYPEVERSION = 0x287,
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EID_DOCTYPEREADVERSION = 0x285,
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EID_CODECID = 0x6,
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EID_TRACKTYPE = 0x3,
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EID_DEFAULTDURATION = 0x3E383,
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EID_DURATION = 0x489,
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EID_CHANNELS = 0x1F,
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EID_SAMPLINGFREQUENCY = 0x35,
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EID_TIMECODE = 0x67,
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EID_BITDEPTH = 0x2264,
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EID_TRACKENTRY = 0x2E,
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EID_TRACKUID = 0x33C5,
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EID_PIXELWIDTH = 0x30,
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EID_FLAGLACING = 0x1C,
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EID_PIXELHEIGHT = 0x3A,
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EID_DISPLAYWIDTH = 0x14B0,
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EID_DISPLAYHEIGHT = 0x14BA,
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EID_TRACKNUMBER = 0x57,
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EID_CODECPRIVATE = 0x23A2,
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EID_LANGUAGE = 0x2B59C,
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EID_VIDEO = 0x60,
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EID_AUDIO = 0x61,
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EID_TIMECODESCALE = 0xAD7B1,
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EID_MUXINGAPP = 0xD80,
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EID_WRITINGAPP = 0x1741,
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EID_CLUSTER = 0x0F43B675,
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EID_SEGMENT = 0x08538067,
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EID_INFO = 0x0549A966,
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EID_TRACKS = 0x0654AE6B,
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EID_SIMPLEBLOCK = 0x23,
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EID_SEEKHEAD = 0x014D9B74,
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EID_SEEK = 0xDBB,
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EID_SEEKID = 0x13AB,
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EID_SEEKPOSITION = 0x13AC,
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EID_CUES = 0xC53BB6B,
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EID_CUETRACK = 0x77,
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EID_CUECLUSTERPOSITION = 0x71,
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EID_CUERELATIVEPOSITION = 0x70,
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EID_CUETRACKPOSITIONS = 0x37,
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EID_CUETIME = 0x33,
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EID_CUEPOINT = 0x3B,
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EID_TAGS = 0x254c367,
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EID_CODECDELAY = 0x16AA,
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EID_SEEKPREROLL = 0x16BB,
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EID_UNKNOWN = 0
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};
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class Element{
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public:
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static uint64_t needBytes(const char *p, uint64_t availBytes, bool minimal = false);
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static std::string getIDString(uint32_t id);
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Element(const char *p = 0, bool minimal = false);
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inline operator bool() const{return data;}
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uint32_t getID() const;
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uint64_t getPayloadLen() const;
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uint8_t getHeaderLen() const;
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const char *getPayload() const;
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uint64_t getOuterLen() const;
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ElementType getType() const;
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virtual std::string toPrettyString(const uint8_t indent = 0, const uint8_t detail = 3) const;
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uint64_t getValUInt() const;
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int64_t getValInt() const;
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double getValFloat() const;
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std::string getValString() const;
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const Element findChild(uint32_t id) const;
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private:
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const char *data;
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bool minimalMode; ///<If set, ELEM_MASTER elements will not access payload data when
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/// pretty-printing.
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};
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class Block : public Element{
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public:
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Block(const char *p = 0) : Element(p){}
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uint64_t getTrackNum() const;
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int16_t getTimecode() const;
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bool isKeyframe() const;
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bool isInvisible() const;
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bool isDiscardable() const;
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uint8_t getLacing() const;
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uint8_t getFrameCount() const;
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uint32_t getFrameSize(uint8_t no) const;
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const char *getFrameData(uint8_t no) const;
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virtual std::string toPrettyString(const uint8_t indent = 0, const uint8_t detail = 3) const;
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};
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}
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