#include <stdio.h>
#include <stdlib.h>
#include <string.h>

typedef struct{
    int table_id;
    int section_syntax_indicator;
    int zero;
    int reserved1;
    int section_length;
    int transport_stream_id;
    int reserved2;
    int version_number;
    int current_next_indicator;
    int section_number;
    int last_section_number;
    int program_map_PID;
    long int CRC_32;
}PatInfo;

typedef struct{
   int table_id ;
    int section_syntax_indicator ;
    int zero;
    int reserved1;
    int section_length;
    int program_number;
    int reserved2;
    int version_number;
    int current_next_indicator;
    int section_number;
    int last_section_number;
    int reserved3;
    int PCR_PID;
    int reserved4;
    int program_info_length;
    long int stream_type;
    long int reserved5;
    long int elementary_PID;
    long int reserved6;
    long int ES_info_length;
    long int CRC_32;
}PmtInfo;

typedef struct {

    unsigned char package_full[188];
    int sync_byte;
    int transport_error_indicator;
    int payload_unit_start_indicator;
    int transport_priority;
    int PID;
    int transport_scrambling_control;
    int adaptation_field_control;
    int continuity_counter;
}TransStreamPack;




void TransportStream(TransStreamPack pkt,unsigned char bytes[188]){

        pkt.sync_byte = (bytes[0] & 0xFF);

        pkt.transport_error_indicator = ((bytes[1] & 0xFF) >> 7) & 0x01;
        pkt.payload_unit_start_indicator = ((bytes[1] & 0xFF) >> 6) & 0x01;
        pkt.transport_priority = ((bytes[1] & 0xFF) >> 5) & 0x01;
      //  pkt.PID = binToDec(Integer.toBinaryString((bytes[1] & 0xFF) & 0x1f)
        //+ Integer.toBinaryString(bytes[2] & 0xFF)) & 0x1FFF;
        pkt.transport_scrambling_control = ((bytes[3] & 0xFF) >> 6) & 0x03;
        pkt.adaptation_field_control = ((bytes[3] & 0xFF) >> 4) & 0x03;
        pkt.continuity_counter = (bytes[3] & 0xFF) & 0xF;



}



 int main (void){
    /*Abrindo arquivo para leitura em modo binario*/

    FILE *stream;
    unsigned char bytes[188];
    size_t filesize;
    int i;
    TransStreamPack ts;

    stream = fopen ("video.ts","rb");
    if(stream==NULL){
        printf("Erro ao abrir arquivo.\n");
        return 0;

    }
    /*Obtendo o tamanho preciso do arquivo em bytes*/

    fseek (stream , 0 , SEEK_END);
    filesize = ftell (stream);
    rewind (stream);
    if(feof(stream))
        return 0;

    /* Lendo o pacote de 188 bytes para obtenção dos dados*/

    fread( bytes, sizeof(bytes), 1, stream );
    TransportStream(ts,bytes);














return 0;
}