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TS_parser.cpp
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TS_parser.cpp
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#include "tsCommon.h"
#include "tsPacketHeader.h"
#include "tsAdaptationField.h"
#include "pesPacketHeader.h"
#include "pesAssembler.h"
//=============================================================================================================================================================================
int main(int argc, char *argv[ ], char *envp[ ])
{
FILE* fp = std::fopen("../example_new.ts", "rb");
if (!fp)
{
std::perror("File opening failed");
return EXIT_FAILURE;
}
FILE* output = std::fopen("../output.mp2", "wb");
TS_PacketHeader TS_PacketHeader;
TS_AdaptationField TS_AdaptationField;
pesPacketHeader pesPacketHeader;
pesAssembler pesAssembler;
uint8_t BUFFER_SIZE = 188;
uint8_t TS_PacketBuffer[BUFFER_SIZE];
uint8_t PES_PacketBuffer[BUFFER_SIZE-4];
int32_t TS_PacketId = 0;
uint16_t* AF_ptr; //pointer to adaptation field
uint8_t* PES_ptr; //pointer to payload
uint8_t* data_ptr;
uint16_t pesBytesLeft;
uint8_t tsBytesLeft;
bool isAssembling;
while(!std::feof(fp))
{
tsBytesLeft = 188; //length of one TS packet
fread(TS_PacketBuffer, 1, BUFFER_SIZE, fp);
TS_PacketHeader.Reset();
AF_ptr = TS_PacketHeader.Parse(TS_PacketBuffer);
tsBytesLeft-=4; //length of header
printf("%010d ", TS_PacketId);
TS_PacketHeader.Print();
if (TS_PacketHeader.hasAdaptationField())
{
TS_AdaptationField.Reset();
PES_ptr = TS_AdaptationField.Parse(AF_ptr);
tsBytesLeft -= TS_AdaptationField.getAFLength();
TS_AdaptationField.Print();
}
else{
PES_ptr = (uint8_t*)AF_ptr;
}
if (TS_PacketHeader.beginsPayload() && TS_PacketHeader.getPID() == 136)
{
pesPacketHeader.Reset();
PES_ptr = pesPacketHeader.Parse(PES_ptr);
pesPacketHeader.Print();
tsBytesLeft -= (9 + pesPacketHeader.getPESHL()); //9 bytes of header + optional data
pesBytesLeft = pesPacketHeader.getPES_LEN() - tsBytesLeft;
isAssembling = true;
pesAssembler.absorbPacket(output, PES_ptr, tsBytesLeft);
}
else if (isAssembling && TS_PacketHeader.getPID() == 136)
{
pesAssembler.absorbPacket(output, PES_ptr, tsBytesLeft);
pesBytesLeft -= tsBytesLeft;
if(pesBytesLeft == 0) isAssembling = false;
pesAssembler.printStatus(pesBytesLeft);
pesAssembler.lastCC = TS_PacketHeader.getCC();
}
printf("\n");
TS_PacketId++;
}
fclose(fp);
fclose(output);
return EXIT_SUCCESS;
}