Initial commit
This commit is contained in:
parent
38ef8704f8
commit
6813f00b09
5 changed files with 582 additions and 1 deletions
|
@ -9,4 +9,4 @@ pkgconfigdir = $(libdir)/pkgconfig
|
|||
pkgconfig_DATA = mist-1.0.pc
|
||||
|
||||
library_includedir=$(includedir)/mist-1.0/mist
|
||||
library_include_HEADERS = amf.h auth.h base64.h config.h dtsc.h flv_tag.h http_parser.h json.h procs.h rtmpchunks.h socket.h mp4.h ftp.h filesystem.h stream.h timing.h
|
||||
library_include_HEADERS = amf.h auth.h base64.h config.h dtsc.h flv_tag.h http_parser.h json.h procs.h rtmpchunks.h socket.h mp4.h ftp.h filesystem.h stream.h timing.h nal.h ts_packet.h
|
||||
|
|
71
lib/nal.cpp
Normal file
71
lib/nal.cpp
Normal file
|
@ -0,0 +1,71 @@
|
|||
#include "nal.h"
|
||||
|
||||
NAL_Unit::NAL_Unit( ) {
|
||||
|
||||
}
|
||||
|
||||
NAL_Unit::NAL_Unit( std::string & InputData ) {
|
||||
ReadData( InputData );
|
||||
}
|
||||
|
||||
bool NAL_Unit::ReadData( std::string & InputData ) {
|
||||
std::string FullAnnexB;
|
||||
FullAnnexB += (char)0x00;
|
||||
FullAnnexB += (char)0x00;
|
||||
FullAnnexB += (char)0x00;
|
||||
FullAnnexB += (char)0x01;
|
||||
std::string ShortAnnexB;
|
||||
ShortAnnexB += (char)0x00;
|
||||
ShortAnnexB += (char)0x00;
|
||||
ShortAnnexB += (char)0x01;
|
||||
// fprintf( stderr, "NAL_Unit::ReadData --- DataSize: %d\n", InputData.size() );
|
||||
if( InputData.size() < 3 ) { return false; }
|
||||
bool AnnexB = false;
|
||||
if( InputData.substr(0,3) == ShortAnnexB ) { AnnexB = true; }
|
||||
if( InputData.substr(0,4) == FullAnnexB ) { InputData.erase(0,1); AnnexB = true; }
|
||||
if( AnnexB ) {
|
||||
MyData = "";
|
||||
InputData.erase(0,3);//Intro Bytes
|
||||
bool FinalByteRead = false;
|
||||
int Location = std::min( InputData.find( ShortAnnexB ), InputData.find( FullAnnexB ) );
|
||||
MyData = InputData.substr(0,Location);
|
||||
InputData.erase(0,Location);
|
||||
} else {
|
||||
if( InputData.size() < 4 ) { return false; }
|
||||
int UnitLen = (InputData[0] << 24) + (InputData[1] << 16) + (InputData[2] << 8) + InputData[3];
|
||||
if( InputData.size() < 4+UnitLen ) { return false; }
|
||||
InputData.erase(0,4);//Remove Length
|
||||
MyData = InputData.substr(0,UnitLen);
|
||||
InputData.erase(0,UnitLen);//Remove this unit from the string
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
std::string NAL_Unit::AnnexB( bool LongIntro ) {
|
||||
std::string Result;
|
||||
if( MyData.size() ) {
|
||||
if( LongIntro ) { Result += (char)0x00; }
|
||||
Result += (char)0x00;
|
||||
Result += (char)0x00;
|
||||
Result += (char)0x01;//Annex B Lead-In
|
||||
Result += MyData;
|
||||
}
|
||||
return Result;
|
||||
}
|
||||
|
||||
std::string NAL_Unit::SizePrepended( ) {
|
||||
std::string Result;
|
||||
if( MyData.size() ) {
|
||||
int DataSize = MyData.size();
|
||||
Result += (char)( ( DataSize & 0xFF000000 ) >> 24 );
|
||||
Result += (char)( ( DataSize & 0x00FF0000 ) >> 16 );
|
||||
Result += (char)( ( DataSize & 0x0000FF00 ) >> 8 );
|
||||
Result += (char)( DataSize & 0x000000FF );//Size Lead-In
|
||||
Result += MyData;
|
||||
}
|
||||
return Result;
|
||||
}
|
||||
|
||||
int NAL_Unit::Type( ) {
|
||||
return ( MyData[0] & 0x1F );
|
||||
}
|
14
lib/nal.h
Normal file
14
lib/nal.h
Normal file
|
@ -0,0 +1,14 @@
|
|||
#include <string>
|
||||
#include <cstdio>
|
||||
|
||||
class NAL_Unit {
|
||||
public:
|
||||
NAL_Unit( );
|
||||
NAL_Unit( std::string & InputData );
|
||||
bool ReadData( std::string & InputData );
|
||||
std::string AnnexB( bool LongIntro = false );
|
||||
std::string SizePrepended( );
|
||||
int Type( );
|
||||
private:
|
||||
std::string MyData;
|
||||
};//NAL_Unit class
|
349
lib/ts_packet.cpp
Normal file
349
lib/ts_packet.cpp
Normal file
|
@ -0,0 +1,349 @@
|
|||
/// \file ts_packet.cpp
|
||||
/// Holds all code for the TS namespace.
|
||||
|
||||
#include "ts_packet.h"
|
||||
|
||||
/// This constructor creates an empty TS::Packet, ready for use for either reading or writing.
|
||||
/// All this constructor does is call TS::Packet::Clear().
|
||||
TS::Packet::Packet() { Clear( ); }
|
||||
|
||||
/// This function fills a TS::Packet from provided Data.
|
||||
/// It fills the content with the first 188 bytes of Data.
|
||||
/// \param Data The data to be read into the packet.
|
||||
/// \return true if it was possible to read in a full packet, false otherwise.
|
||||
bool TS::Packet::FromString( std::string & Data ) {
|
||||
if( Data.size() < 188 ) {
|
||||
return false;
|
||||
} else {
|
||||
for( int i = 0; i < 188; i++ ) { Buffer[i] = Data[i]; }
|
||||
Data.erase(0,188);
|
||||
Free = 0;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/// The deconstructor deletes all space that may be occupied by a TS::Packet.
|
||||
TS::Packet::~Packet() { }
|
||||
|
||||
/// Sets the PID of a single TS::Packet.
|
||||
/// \param NewPID The new PID of the packet.
|
||||
void TS::Packet::PID( int NewPID ) {
|
||||
Buffer[1] = (Buffer[1] & 0xE0) + ((NewPID & 0x1F00) >> 8 );
|
||||
Buffer[2] = (NewPID & 0x00FF);
|
||||
Free = std::min( Free, 184 );
|
||||
}
|
||||
|
||||
/// Gets the PID of a single TS::Packet.
|
||||
/// \return The value of the PID.
|
||||
int TS::Packet::PID() {
|
||||
return (( Buffer[1] & 0x1F ) << 8 ) + Buffer[2];
|
||||
}
|
||||
|
||||
/// Sets the Continuity Counter of a single TS::Packet.
|
||||
/// \param NewContinuity The new Continuity Counter of the packet.
|
||||
void TS::Packet::ContinuityCounter( int NewContinuity ) {
|
||||
Buffer[3] = ( Buffer[3] & 0xF0 ) + ( NewContinuity & 0x0F );
|
||||
Free = std::min( Free, 184 );
|
||||
}
|
||||
|
||||
/// Gets the Continuity Counter of a single TS::Packet.
|
||||
/// \return The value of the Continuity Counter.
|
||||
int TS::Packet::ContinuityCounter() {
|
||||
return ( Buffer[3] & 0x0F );
|
||||
}
|
||||
|
||||
/// Gets the amount of bytes that are not written yet in a TS::Packet.
|
||||
/// \return The amount of bytes that can still be written to this packet.
|
||||
int TS::Packet::BytesFree( ) {
|
||||
return Free;
|
||||
}
|
||||
|
||||
/// Clears a TS::Packet.
|
||||
void TS::Packet::Clear( ) {
|
||||
Free = 184;
|
||||
Buffer[0] = 0x47;
|
||||
for( int i = 1; i < 188; i++ ) { Buffer[i] = 0x00; }
|
||||
AdaptationField( 1 );
|
||||
}
|
||||
|
||||
/// Sets the selection value for an adaptationfield of a TS::Packet.
|
||||
/// \param NewSelector The new value of the selection bits.
|
||||
/// - 1: No AdaptationField.
|
||||
/// - 2: AdaptationField Only.
|
||||
/// - 3: AdaptationField followed by Data.
|
||||
void TS::Packet::AdaptationField( int NewSelector ) {
|
||||
Buffer[3] = ( Buffer[3] & 0xCF ) + ((NewSelector & 0x03) << 4);
|
||||
Buffer[4] = 0;
|
||||
Free = std::min( Free, 184 );
|
||||
}
|
||||
|
||||
/// Gets whether a TS::Packet contains an adaptationfield.
|
||||
/// \return The existence of an adaptationfield.
|
||||
/// - 0: No adaptationfield present.
|
||||
/// - 1: Adaptationfield is present.
|
||||
int TS::Packet::AdaptationField( ) {
|
||||
return ((Buffer[3] & 0x30) >> 4 );
|
||||
}
|
||||
|
||||
/// Sets the PCR (Program Clock Reference) of a TS::Packet.
|
||||
/// \param NewVal The new PCR Value.
|
||||
void TS::Packet::PCR( int64_t NewVal ) {
|
||||
AdaptationField( 3 );
|
||||
Buffer[4] = 7;
|
||||
Buffer[5] = (Buffer[5] | 0x10 );
|
||||
int64_t TmpVal = NewVal / 300;
|
||||
fprintf( stderr, "\tSetting PCR_Base: %d\n", TmpVal );
|
||||
Buffer[6] = (((TmpVal>>1)>>24) & 0xFF);
|
||||
Buffer[7] = (((TmpVal>>1)>>16) & 0xFF);
|
||||
Buffer[8] = (((TmpVal>>1)>>8) & 0xFF);
|
||||
Buffer[9] = ((TmpVal>>1) & 0xFF);
|
||||
int Remainder = NewVal % 300;
|
||||
Buffer[10] = 0x7E + ((TmpVal & 0x01)<<7) + ((Remainder & 0x0100) >> 8 );
|
||||
Buffer[11] = (Remainder & 0x00FF);
|
||||
Free = std::min( Free, 176 );
|
||||
};
|
||||
|
||||
/// Gets the PCR (Program Clock Reference) of a TS::Packet.
|
||||
/// \return The value of the PCR.
|
||||
int64_t TS::Packet::PCR( ) {
|
||||
if( !AdaptationField() ) {
|
||||
return -1;
|
||||
}
|
||||
if( !(Buffer[5] & 0x10 ) ) {
|
||||
return -1;
|
||||
}
|
||||
int64_t Result = 0;
|
||||
Result = (((((((Buffer[6] << 8) + Buffer[7]) << 8) + Buffer[8]) << 8) + Buffer[9]) << 1) + ( Buffer[10] & 0x80 );
|
||||
Result = Result * 300;
|
||||
Result += ((Buffer[10] & 0x01) << 8 + Buffer[11]);
|
||||
return Result;
|
||||
}
|
||||
|
||||
/// Gets the current length of the adaptationfield.
|
||||
/// \return The length of the adaptationfield.
|
||||
int TS::Packet::AdaptationFieldLen( ) {
|
||||
if( !AdaptationField() ) {
|
||||
return -1;
|
||||
}
|
||||
return (int)Buffer[4];
|
||||
}
|
||||
|
||||
/// Prints a packet to stdout, for analyser purposes.
|
||||
void TS::Packet::Print( ) {
|
||||
std::cout << "TS Packet: " << (Buffer[0] == 0x47)
|
||||
<< "\n\tNewUnit: " << UnitStart()
|
||||
<< "\n\tPID: " << PID()
|
||||
<< "\n\tContinuity Counter: " << ContinuityCounter()
|
||||
<< "\n\tAdaption Field: " << AdaptationField() << "\n";
|
||||
if( AdaptationField() ) {
|
||||
std::cout << "\t\tAdaption Field Length: " << AdaptationFieldLen() << "\n";
|
||||
if( AdaptationFieldLen() ) {
|
||||
std::cout << "\t\tRandom Access: " << RandomAccess() << "\n";
|
||||
}
|
||||
if( PCR() != -1 ) {
|
||||
std::cout << "\t\tPCR: " << PCR() << "( " << (double)PCR() / 27000000 << " s )\n";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Gets whether a new unit starts in this TS::Packet.
|
||||
/// \return The start of a new unit.
|
||||
int TS::Packet::UnitStart( ) {
|
||||
return ( Buffer[1] & 0x40) >> 6;
|
||||
}
|
||||
|
||||
/// Sets the start of a new unit in this TS::Packet.
|
||||
/// \param NewVal The new value for the start of a unit.
|
||||
void TS::Packet::UnitStart( int NewVal ) {
|
||||
if( NewVal ) {
|
||||
Buffer[1] = (Buffer[1] | 0x40);
|
||||
} else {
|
||||
Buffer[1] = (Buffer[1] & 0xBF);
|
||||
}
|
||||
}
|
||||
|
||||
/// Gets whether this TS::Packet can be accessed at random (indicates keyframe).
|
||||
/// \return Whether or not this TS::Packet contains a keyframe.
|
||||
int TS::Packet::RandomAccess( ) {
|
||||
if( AdaptationField() < 2 ) {
|
||||
return -1;
|
||||
}
|
||||
return ( Buffer[5] & 0x40) >> 6;
|
||||
}
|
||||
|
||||
/// Sets whether this TS::Packet contains a keyframe
|
||||
/// \param NewVal Whether or not this TS::Packet contains a keyframe.
|
||||
void TS::Packet::RandomAccess( int NewVal ) {
|
||||
if( AdaptationField() ) {
|
||||
if( Buffer[4] == 0 ) {
|
||||
Buffer[4] = 1;
|
||||
}
|
||||
if( NewVal ) {
|
||||
Buffer[5] = (Buffer[5] | 0x40);
|
||||
} else {
|
||||
Buffer[5] = (Buffer[5] & 0xBF);
|
||||
}
|
||||
} else {
|
||||
AdaptationField( 3 );
|
||||
Buffer[4] = 1;
|
||||
if( NewVal ) {
|
||||
Buffer[5] = 0x40;
|
||||
} else {
|
||||
Buffer[5] = 0x00;
|
||||
}
|
||||
|
||||
}
|
||||
Free = std::min( Free, 182 );
|
||||
}
|
||||
|
||||
/// Transforms the TS::Packet into a standard Program Association Table
|
||||
void TS::Packet::DefaultPAT( ) {
|
||||
static int MyCntr = 0;
|
||||
std::copy( TS::PAT, TS::PAT + 188, Buffer );
|
||||
ContinuityCounter( MyCntr );
|
||||
Free = 0;
|
||||
MyCntr = ( (MyCntr + 1) % 0x10);
|
||||
}
|
||||
|
||||
/// Transforms the TS::Packet into a standard Program Mapping Table
|
||||
void TS::Packet::DefaultPMT( ) {
|
||||
static int MyCntr = 0;
|
||||
std::copy( TS::PMT, TS::PMT + 188, Buffer );
|
||||
ContinuityCounter( MyCntr );
|
||||
Free = 0;
|
||||
MyCntr = ( (MyCntr + 1) % 0x10);
|
||||
}
|
||||
|
||||
/// Generates a string from the contents of the TS::Packet
|
||||
/// \return A string representation of the packet.
|
||||
char* TS::Packet::ToString( ) {
|
||||
return Buffer;
|
||||
}
|
||||
|
||||
/// Generates a PES Lead-in for a video frame.
|
||||
/// Starts at the first Free byte.
|
||||
/// \param NewLen The length of this video frame.
|
||||
void TS::Packet::PESVideoLeadIn( int NewLen ) {
|
||||
static int PTS = 126000;
|
||||
NewLen += 14;
|
||||
int Offset = ( 188 - Free );
|
||||
Buffer[Offset] = 0x00;//PacketStartCodePrefix
|
||||
Buffer[Offset+1] = 0x00;//PacketStartCodePrefix (Cont)
|
||||
Buffer[Offset+2] = 0x01;//PacketStartCodePrefix (Cont)
|
||||
Buffer[Offset+3] = 0xe0;//StreamType Video
|
||||
Buffer[Offset+4] = (NewLen & 0xFF00) >> 8;//PES PacketLength
|
||||
Buffer[Offset+5] = (NewLen & 0x00FF);//PES PacketLength (Cont)
|
||||
Buffer[Offset+6] = 0x80;//Reserved + Flags
|
||||
Buffer[Offset+7] = 0x80;//PTSOnlyFlag + Flags
|
||||
Buffer[Offset+8] = 0x05;//PESHeaderDataLength
|
||||
Buffer[Offset+9] = 0x20 + ((PTS & 0x1C0000000) >> 29 ) + 1;//PTS
|
||||
Buffer[Offset+10] = 0x00 + ((PTS & 0x03FC00000) >> 22 );//PTS (Cont)
|
||||
Buffer[Offset+11] = 0x00 + ((PTS & 0x0003F8000) >> 14 ) + 1;//PTS (Cont)
|
||||
Buffer[Offset+12] = 0x00 + ((PTS & 0x000007F80) >> 7 );//PTS (Cont)
|
||||
Buffer[Offset+13] = 0x00 + ((PTS & 0x00000007F) << 1) + 1;//PTS (Cont)
|
||||
|
||||
//PesPacket-Wise Prepended Data
|
||||
|
||||
Buffer[Offset+14] = 0x00;//NALU StartCode
|
||||
Buffer[Offset+15] = 0x00;//NALU StartCode (Cont)
|
||||
Buffer[Offset+16] = 0x00;//NALU StartCode (Cont)
|
||||
Buffer[Offset+17] = 0x01;//NALU StartCode (Cont)
|
||||
Buffer[Offset+18] = 0x09;//NALU EndOfPacket (Einde Vorige Packet)
|
||||
Buffer[Offset+19] = 0xF0;//NALU EndOfPacket (Cont)
|
||||
Free = Free - 20;
|
||||
PTS += 3003;
|
||||
}
|
||||
|
||||
/// Generates a PES Lead-in for an audio frame.
|
||||
/// Starts at the first Free byte.
|
||||
/// \param NewLen The length of this audio frame.
|
||||
/// \param PTS The timestamp of the audio frame.
|
||||
void TS::Packet::PESAudioLeadIn( int NewLen, uint64_t PTS ) {
|
||||
NewLen += 8;
|
||||
int Offset = ( 188 - Free ) - 2;
|
||||
Buffer[Offset] = 0x00;//PacketStartCodePrefix
|
||||
Buffer[Offset+1] = 0x00;//PacketStartCodePrefix (Cont)
|
||||
Buffer[Offset+2] = 0x01;//PacketStartCodePrefix (Cont)
|
||||
Buffer[Offset+3] = 0xc0;//StreamType Video
|
||||
|
||||
Buffer[Offset+4] = (NewLen & 0xFF00) >> 8;//PES PacketLength
|
||||
Buffer[Offset+5] = (NewLen & 0x00FF);//PES PacketLength (Cont)
|
||||
Buffer[Offset+6] = 0x80;//Reserved + Flags
|
||||
Buffer[Offset+7] = 0x80;//PTSOnlyFlag + Flags
|
||||
Buffer[Offset+8] = 0x05;//PESHeaderDataLength
|
||||
Buffer[Offset+9] = 0x20 + ((PTS & 0x1C0000000) >> 29 ) + 1;//PTS
|
||||
Buffer[Offset+10] = 0x00 + ((PTS & 0x03FC00000) >> 22 );//PTS (Cont)
|
||||
Buffer[Offset+11] = 0x00 + ((PTS & 0x0003F8000) >> 14 ) + 1;//PTS (Cont)
|
||||
Buffer[Offset+12] = 0x00 + ((PTS & 0x000007F80) >> 7 );//PTS (Cont)
|
||||
Buffer[Offset+13] = 0x00 + ((PTS & 0x00000007F) << 1) + 1;//PTS (Cont)
|
||||
Free = Free - 12;
|
||||
}
|
||||
|
||||
/// Fills the free bytes of the TS::Packet.
|
||||
/// Stores as many bytes from NewVal as possible in the packet.
|
||||
/// \param NewVal The data to store in the packet.
|
||||
void TS::Packet::FillFree( std::string & NewVal ) {
|
||||
int Offset = 188 - Free;
|
||||
std::copy( NewVal.begin(), NewVal.begin() + Free, Buffer + Offset );
|
||||
NewVal.erase(0,Free);
|
||||
Free = 0;
|
||||
}
|
||||
|
||||
/// Adds NumBytes of stuffing to the TS::Packet.
|
||||
/// \param NumBytes the amount of stuffing bytes.
|
||||
void TS::Packet::AddStuffing( int NumBytes ) {
|
||||
if( NumBytes <= 0 ) { return; }
|
||||
if( AdaptationField( ) == 3 ) {
|
||||
int Offset = Buffer[4];
|
||||
Buffer[4] = Offset + NumBytes - 1;
|
||||
for( int i = 0; i < ( NumBytes -2 ); i ++ ) {
|
||||
Buffer[6+Offset+i] = 0xFF;
|
||||
}
|
||||
Free -= NumBytes;
|
||||
} else {
|
||||
AdaptationField( 3 );
|
||||
Buffer[4] = NumBytes - 1;
|
||||
Buffer[5] = 0x00;
|
||||
for( int i = 0; i < ( NumBytes -2 ); i ++ ) {
|
||||
Buffer[6+i] = 0xFF;
|
||||
}
|
||||
Free -= NumBytes;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/// Transforms this TS::Packet into a standard Service Description Table
|
||||
void TS::Packet::FFMpegHeader( ) {
|
||||
static int MyCntr = 0;
|
||||
std::copy( TS::SDT, TS::SDT + 188, Buffer );
|
||||
ContinuityCounter( MyCntr );
|
||||
Free = 0;
|
||||
MyCntr = ( (MyCntr + 1) % 0x10);
|
||||
}
|
||||
|
||||
int TS::Packet::PESTimeStamp( ) {
|
||||
if( !UnitStart( ) ) { return -1; }
|
||||
int PesOffset = 4;
|
||||
if( AdaptationField( ) >= 2 ) { PesOffset += 1 + AdaptationFieldLen( ); }
|
||||
fprintf( stderr, "PES Offset: %d\n", PesOffset );
|
||||
fprintf( stderr, "PES StartCode: %0.2X %0.2X %0.2X\n", Buffer[PesOffset], Buffer[PesOffset+1], Buffer[PesOffset+2] );
|
||||
int MyTimestamp = (Buffer[PesOffset+9] & 0x0F) >> 1;
|
||||
MyTimestamp = (MyTimestamp << 8) + Buffer[PesOffset+10];
|
||||
MyTimestamp = (MyTimestamp << 7) + ((Buffer[PesOffset+11]) >> 1);
|
||||
MyTimestamp = (MyTimestamp << 8) + Buffer[PesOffset+12];
|
||||
MyTimestamp = (MyTimestamp << 7) + ((Buffer[PesOffset+13]) >> 1);
|
||||
fprintf( stderr, "PES Timestamp: %d\n", MyTimestamp );
|
||||
return MyTimestamp;
|
||||
}
|
||||
|
||||
int TS::Packet::GetDataOffset( ) {
|
||||
int Offset = 4;
|
||||
if( AdaptationField( ) >= 2 ) {
|
||||
Offset += 1 + AdaptationFieldLen( );
|
||||
}
|
||||
if( UnitStart() ) {
|
||||
Offset += 8;//Default Header + Flag Bytes
|
||||
Offset += 1 + Buffer[Offset];//HeaderLengthByte + HeaderLength
|
||||
}
|
||||
return Offset;
|
||||
}
|
147
lib/ts_packet.h
Normal file
147
lib/ts_packet.h
Normal file
|
@ -0,0 +1,147 @@
|
|||
/// \file ts_packet.h
|
||||
/// Holds all headers for the TS Namespace.
|
||||
|
||||
#pragma once
|
||||
#include <string>
|
||||
#include <cmath>
|
||||
#include <stdint.h> //for uint64_t
|
||||
#include <iostream>
|
||||
#include <cstdio>
|
||||
#include <cstdlib>
|
||||
#include <algorithm>
|
||||
|
||||
#include "dtsc.h"
|
||||
|
||||
/// Holds all TS processing related code.
|
||||
namespace TS {
|
||||
/// Class for reading and writing TS Streams
|
||||
class Packet {
|
||||
public:
|
||||
Packet();
|
||||
~Packet();
|
||||
bool FromString( std::string & Data );
|
||||
void PID( int NewPID );
|
||||
int PID();
|
||||
void ContinuityCounter( int NewContinuity );
|
||||
int ContinuityCounter();
|
||||
void Clear();
|
||||
void PCR( int64_t NewVal );
|
||||
int64_t PCR();
|
||||
void AdaptationField( int NewVal );
|
||||
int AdaptationField( );
|
||||
int AdaptationFieldLen( );
|
||||
void DefaultPAT();
|
||||
void DefaultPMT();
|
||||
int UnitStart( );
|
||||
void UnitStart( int NewVal );
|
||||
int RandomAccess( );
|
||||
void RandomAccess( int NewVal );
|
||||
int BytesFree();
|
||||
|
||||
void Print();
|
||||
char* ToString();
|
||||
void PESVideoLeadIn( int NewLen );
|
||||
void PESAudioLeadIn( int NewLen, uint64_t PTS = 0 );
|
||||
void FillFree( std::string & PackageData );
|
||||
void AddStuffing( int NumBytes );
|
||||
void FFMpegHeader( );
|
||||
|
||||
int PESTimeStamp( );
|
||||
int GetDataOffset( );
|
||||
private:
|
||||
int Free;
|
||||
char Buffer[188];///< The actual data
|
||||
};//TS::Packet class
|
||||
|
||||
/// Constructs an audio header to be used on each audio frame.
|
||||
/// The length of this header will ALWAYS be 7 bytes, and has to be
|
||||
/// prepended on each audio frame.
|
||||
/// \param FrameLen the length of the current audio frame.
|
||||
static inline std::string GetAudioHeader( int FrameLen ) {
|
||||
char StandardHeader[7] = {0xFF,0xF1,0x4C,0x80,0x00,0x1F,0xFC};
|
||||
FrameLen += 7;
|
||||
StandardHeader[3] = ( StandardHeader[3] & 0xFC ) + ( ( FrameLen & 0x00001800 ) >> 11 );
|
||||
StandardHeader[4] = ( ( FrameLen & 0x000007F8 ) >> 3 );
|
||||
StandardHeader[5] = ( StandardHeader[5] & 0x3F ) + ( ( FrameLen & 0x00000007 ) << 5 );
|
||||
return std::string(StandardHeader,7);
|
||||
}
|
||||
|
||||
/// A standard Program Association Table, as generated by FFMPEG.
|
||||
/// Seems to be independent of the stream.
|
||||
static char PAT[188] = {
|
||||
0x47,0x40,0x00,0x10, 0x00,0x00,0xB0,0x0D, 0x00,0x01,0xC1,0x00, 0x00,0x00,0x01,0xF0,
|
||||
0x00,0x2A,0xB1,0x04, 0xB2,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF
|
||||
};
|
||||
|
||||
/// A standard Program Mapping Table, as generated by FFMPEG.
|
||||
/// Contains both Audio and Video mappings, works also on video- or audio-only streams.
|
||||
static char PMT[188] = {
|
||||
0x47,0x50,0x00,0x10, 0x00,0x02,0xB0,0x1D, 0x00,0x01,0xC1,0x00, 0x00,0xE1,0x00,0xF0,
|
||||
0x00,0x1B,0xE1,0x00, 0xF0,0x00,0x0F,0xE1, 0x01,0xF0,0x06,0x0A, 0x04,0x65,0x6E,0x67,
|
||||
0x00,0x8D,0x82,0x9A, 0x07,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF
|
||||
};
|
||||
|
||||
/// A standard Sevice Description Table, as generated by FFMPEG.
|
||||
/// Not used in our connector, provided for compatibility means
|
||||
static char SDT[188] = {
|
||||
0x47,0x40,0x11,0x10, 0x00,0x42,0xF0,0x25, 0x00,0x01,0xC1,0x00, 0x00,0x00,0x01,0xFF,
|
||||
0x00,0x01,0xFC,0x80, 0x14,0x48,0x12,0x01, 0x06,0x46,0x46,0x6D, 0x70,0x65,0x67,0x09,
|
||||
0x53,0x65,0x72,0x76, 0x69,0x63,0x65,0x30, 0x31,0xA7,0x79,0xA0, 0x03,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
|
||||
0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF
|
||||
};
|
||||
|
||||
/// A standard Picture Parameter Set, as generated by FFMPEG.
|
||||
/// Seems to be stream-independent.
|
||||
static char PPS[24] = {
|
||||
0x00,0x00,0x00,0x01,
|
||||
0x27,0x4D,0x40,0x1F,
|
||||
0xA9,0x18,0x0A,0x00,
|
||||
0xB7,0x60,0x0D,0x40,
|
||||
0x40,0x40,0x4C,0x2B,
|
||||
0x5E,0xF7,0xC0,0x40
|
||||
};
|
||||
|
||||
/// A standard Sequence Parameter Set, as generated by FFMPEG.
|
||||
/// Seems to be stream-independent.
|
||||
static char SPS[8] = {
|
||||
0x00,0x00,0x00,0x01,
|
||||
0x28,0xCE,0x09,0xC8
|
||||
};
|
||||
|
||||
/// The full Bytesteam Nal-Header.
|
||||
static char NalHeader[4] = {
|
||||
0x00,0x00,0x00,0x01
|
||||
};
|
||||
|
||||
/// The shortened Bytesteam Nal-Header.
|
||||
static char ShortNalHeader[3] = {
|
||||
0x00,0x00,0x01
|
||||
};
|
||||
};//TS namespace
|
Loading…
Add table
Reference in a new issue