113 lines
4.8 KiB
C++
113 lines
4.8 KiB
C++
/// \file ts_packet.h
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/// Holds all headers for the TS Namespace.
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#pragma once
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#include <string>
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#include <cmath>
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#include <stdint.h> //for uint64_t
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#include <iostream>
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#include <cstdio>
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#include <cstdlib>
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#include <algorithm>
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#include "dtsc.h"
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/// Holds all TS processing related code.
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namespace TS {
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/// Class for reading and writing TS Streams
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class Packet {
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public:
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Packet();
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~Packet();
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bool FromString( std::string & Data );
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void PID( int NewPID );
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int PID();
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void ContinuityCounter( int NewContinuity );
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int ContinuityCounter();
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void Clear();
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void PCR( int64_t NewVal );
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int64_t PCR();
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void AdaptationField( int NewVal );
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int AdaptationField( );
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int AdaptationFieldLen( );
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void DefaultPAT();
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void DefaultPMT();
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int UnitStart( );
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void UnitStart( int NewVal );
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int RandomAccess( );
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void RandomAccess( int NewVal );
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int BytesFree();
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void Print();
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const char* ToString();
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void PESVideoLeadIn( int NewLen, long long unsigned int PTS = 1 );
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void PESAudioLeadIn( int NewLen, uint64_t PTS = 0 );
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void FillFree( std::string & PackageData );
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void AddStuffing( int NumBytes );
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private:
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//int Free;
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std::string strBuf;
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//char Buffer[188];///< The actual data
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};//TS::Packet class
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/// Constructs an audio header to be used on each audio frame.
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/// The length of this header will ALWAYS be 7 bytes, and has to be
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/// prepended on each audio frame.
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/// \param FrameLen the length of the current audio frame.
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static inline std::string GetAudioHeader( int FrameLen, std::string initData ) {
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char StandardHeader[7] = {0xFF,0xF1,0x00,0x00,0x00,0x1F,0xFC};
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FrameLen += 7;
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StandardHeader[2] = ((((initData[0] >> 3) - 1) << 6 ) & 0xC0);//AAC Profile - 1 ( First two bits )
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StandardHeader[2] |= (( ((initData[0] & 0x07) << 1) | ((initData[1] >> 7) & 0x01) ) << 2 );//AAC Frequency Index
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StandardHeader[2] |= ((initData[1] & 0x20) >> 5);
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StandardHeader[3] = ((initData[1] & 0x18 ) << 3 );
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StandardHeader[3] |= ( ( FrameLen & 0x00001800 ) >> 11 );
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StandardHeader[4] = ( ( FrameLen & 0x000007F8 ) >> 3 );
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StandardHeader[5] |= ( ( FrameLen & 0x00000007 ) << 5 );
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return std::string(StandardHeader,7);
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}
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/// A standard Program Association Table, as generated by FFMPEG.
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/// Seems to be independent of the stream.
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static char PAT[188] = {
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0x47,0x40,0x00,0x10, 0x00,0x00,0xB0,0x0D, 0x00,0x01,0xC1,0x00, 0x00,0x00,0x01,0xF0,
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0x00,0x2A,0xB1,0x04, 0xB2,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF
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};
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/// A standard Program Mapping Table, as generated by FFMPEG.
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/// Contains both Audio and Video mappings, works also on video- or audio-only streams.
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static char PMT[188] = {
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0x47,0x50,0x00,0x10, 0x00,0x02,0xB0,0x1D, 0x00,0x01,0xC1,0x00, 0x00,0xE1,0x00,0xF0,
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0x00,0x1B,0xE1,0x00, 0xF0,0x00,0x0F,0xE1, 0x01,0xF0,0x06,0x0A, 0x04,0x65,0x6E,0x67,
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0x00,0x8D,0x82,0x9A, 0x07,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF,
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0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF, 0xFF,0xFF,0xFF,0xFF
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};
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/// The full Bytesteam Nal-Header.
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static char NalHeader[4] = {
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0x00,0x00,0x00,0x01
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};
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/// The shortened Bytesteam Nal-Header.
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static char ShortNalHeader[3] = {
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0x00,0x00,0x01
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};
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};//TS namespace
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