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Copy pathdvb-ip-mpe2ts.c
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dvb-ip-mpe2ts.c
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/*
* dvb-ip/mpe (ott extractor)
*
* refs:
* ts-header: http://ecee.colorado.edu/~ecen5653/ecen5653/papers/iso13818-1.pdf chapter 2.4.3.1
* datagram-header: http://broadcasting.ru/pdf-standard-specifications/multiplexing/dvb-data/den301192.v1.4.1.oap20041022_040623-041022.pdf chapter 7
* ip-/udp-header: http://mars.netanya.ac.il/~unesco/cdrom/booklet/HTML/NETWORKING/node020.html
* rtp-header: https://tools.ietf.org/pdf/rfc3550.pdf
*
* Created on: 22.11.2018
* Author: xosef1234
*/
#include <stdio.h>
#include <getopt.h>
#include <stdlib.h>
#include <string.h>
typedef struct t_stream
{
char* name;
unsigned long ip;
unsigned int port;
unsigned int pt;
unsigned int pid;
}t_stream;
void getPayloadType(int tp, char *name, char *media_type){
strcpy(name,"unknown"); strcpy(media_type,"unknown");
switch (tp)
{
case 0: strcpy(name,"PCMU"); strcpy(media_type,"A"); break;
case 1: strcpy(name,"reserved"); strcpy(media_type,"A"); break;
case 2: strcpy(name,"reserved"); strcpy(media_type,"A"); break;
case 3: strcpy(name,"GSM"); strcpy(media_type,"A"); break;
case 4: strcpy(name,"G723"); strcpy(media_type,"A"); break;
case 5: strcpy(name,"DVI4"); strcpy(media_type,"A"); break;
case 6: strcpy(name,"DVI4"); strcpy(media_type,"A"); break;
case 7: strcpy(name,"LPC"); strcpy(media_type,"A"); break;
case 8: strcpy(name,"PCMA"); strcpy(media_type,"A"); break;
case 9: strcpy(name,"G722"); strcpy(media_type,"A"); break;
case 10: strcpy(name, "L16"); strcpy(media_type,"A"); break;
case 11: strcpy(name, "L16"); strcpy(media_type,"A"); break;
case 12: strcpy(name, "QCELP"); strcpy(media_type,"A"); break;
case 13: strcpy(name, "CN"); strcpy(media_type,"A"); break;
case 14: strcpy(name, "MPA"); strcpy(media_type,"A"); break;
case 15: strcpy(name, "G728"); strcpy(media_type,"A"); break;
case 16: strcpy(name, "DVI4"); strcpy(media_type,"A"); break;
case 17: strcpy(name, "DVI4"); strcpy(media_type,"A"); break;
case 18: strcpy(name, "G729"); strcpy(media_type,"A"); break;
case 19: strcpy(name, "reserved"); strcpy(media_type,"A"); break;
case 20: strcpy(name, "unassigned"); strcpy(media_type,"A"); break;
case 21: strcpy(name, "unassigned"); strcpy(media_type,"A"); break;
case 22: strcpy(name, "unassigned"); strcpy(media_type,"A"); break;
case 23: strcpy(name, "unassigned"); strcpy(media_type,"A"); break;
case 24: strcpy(name, "unassigned"); strcpy(media_type,"V"); break;
case 25: strcpy(name, "DelB"); strcpy(media_type,"V"); break;
case 26: strcpy(name, "JPEG"); strcpy(media_type,"V"); break;
case 27: strcpy(name, "unassigned"); strcpy(media_type,"V"); break;
case 28: strcpy(name, "nv"); strcpy(media_type,"V"); break;
case 29: strcpy(name, "unassigned"); strcpy(media_type,"V"); break;
case 30: strcpy(name, "unassigned"); strcpy(media_type,"V"); break;
case 31: strcpy(name, "H261"); strcpy(media_type,"V"); break;
case 32: strcpy(name, "MPV"); strcpy(media_type,"V"); break;
case 33: strcpy(name, "MP2T"); strcpy(media_type,"AV"); break;
case 34: strcpy(name, "H263"); strcpy(media_type,"V"); break;
}
if((tp>=35) && (tp<=71)){
strcpy(name, "unassigned"); strcpy(media_type,"?");
}
if((tp>=72) && (tp<=76)){
strcpy(name, "reserved"); strcpy(media_type,"N/A");
}
if((tp>=77) && (tp<=95)){
strcpy(name, "unassigned"); strcpy(media_type,"?");
}
if((tp>=96) && (tp<=127)){
strcpy(name, "dynamic"); strcpy(media_type,"?");
}
}
void quicksort_pid(t_stream number[50],int first,int last){
int i, j, pivot;
t_stream temp;
if(first<last){
pivot=first;
i=first;
j=last;
while(i<j){
while(number[i].pid<=number[pivot].pid&&i<last)
i++;
while(number[j].pid>number[pivot].pid)
j--;
if(i<j){
temp=number[i];
number[i]=number[j];
number[j]=temp;
}
}
temp=number[pivot];
number[pivot]=number[j];
number[j]=temp;
quicksort_pid(number,first,j-1);
quicksort_pid(number,j+1,last);
}
}
void getTransportStreamHeader(unsigned char *ts_error, unsigned char *pusi, unsigned int *pid, unsigned char *af, unsigned int *len, unsigned int offset, unsigned char *buf)
{
*ts_error = (buf[offset+1] >> 7) & 0x1;
*pusi = (buf[offset+1] >> 6) & 0x1;
*pid = ((buf[offset+1] & 0x1F) << 8) | (buf[offset+2]);
*af = ((buf[offset+3] >> 4) & 0x3);
*len = 4;
return;
}
void getDatagramSectionHeader(unsigned int *slen, unsigned int *len, unsigned int offset, unsigned char *buf)
{
*slen = ((buf[offset+1] & 0xF) << 8) | (buf[offset+2]);
*len = 12;
return;
}
void getIPDatagramHeader(unsigned long *dest_add_number, unsigned char *dest_add, unsigned int *len_bytes, unsigned int *len, unsigned int offset, unsigned char *buf)
{
*len = ((buf[offset+0]) & 0xF);
*dest_add_number = (buf[offset+16]);
*dest_add_number = (*dest_add_number << 8) | (buf[offset+17]);
*dest_add_number = (*dest_add_number << 8) | (buf[offset+18]);
*dest_add_number = (*dest_add_number << 8) | (buf[offset+19]);
dest_add[0] = buf[offset+16+0];
dest_add[1] = buf[offset+16+1];
dest_add[2] = buf[offset+16+2];
dest_add[3] = buf[offset+16+3];
*len_bytes = *len*4;
return;
}
void getUDPDatagramHeader(unsigned int *dest_port, unsigned int *ulen, unsigned int *len, unsigned int offset, unsigned char *buf)
{
*dest_port = ((buf[offset+2] << 8) | buf[offset+3]);
*ulen = ((buf[offset+4] << 8) | buf[offset+5]);
*len = 8;
return;
}
void getRTPHeader(unsigned char *ver, unsigned char *csrc_count, unsigned char *marker, unsigned int *pt, unsigned long *ssrc, unsigned long *csrc, unsigned int *len, unsigned int offset, unsigned char *buf)
{
*ver =((buf[offset+0] >> 6) & 0x3);
*csrc_count = ((buf[offset+0]) & 0xF);
*marker = ((buf[offset+1] >> 7) & 0x1);
*pt = ((buf[offset+1]) & 0x7F);
*ssrc = (buf[offset+8]);
*ssrc = (*ssrc <<8) | (buf[offset+9]);
*ssrc = (*ssrc <<8) | (buf[offset+10]);
*ssrc = (*ssrc <<8) | (buf[offset+11]);
*csrc = (buf[offset+12]);
*csrc = (*csrc <<8) | (buf[offset+13]);
*csrc = (*csrc <<8) | (buf[offset+14]);
*csrc = (*csrc <<8) | (buf[offset+15]);
*len = 12+(1)*4;
return;
}
void getCounter(unsigned char *byte3, unsigned char *byte4, unsigned long *int_value, unsigned int *len, unsigned int offset, unsigned char *buf)
{
*byte3 = buf[offset+2];
*byte4 = buf[offset+3];
*int_value = (buf[offset+0]);
*int_value = ((*int_value << 8) | (buf[offset+1]));
*int_value = ((*int_value << 8) | (buf[offset+2]));
*int_value = ((*int_value << 8) | (buf[offset+3]));
*len = 4;
return;
}
void dump_buffer(void *buf, int buf_size)
{
int i;
for(i = 0;i < buf_size;i++)
printf("%02X", ((unsigned char *)buf)[i]);
printf("\n");
}
void dump_buffer_file(void *buf, int buf_size, FILE *ofh)
{
fwrite(buf,sizeof *buf,buf_size,ofh);
}
void processSection(unsigned int pid, unsigned long dest_ip, unsigned int dest_port, FILE *ofh, unsigned long *current_csrc, unsigned char *section)
{
unsigned int dat_len;
unsigned int dat_slen;
unsigned long ip_dest_add_number;
unsigned char *ip_dest_add;
unsigned int ip_len_bytes;
unsigned int ip_len;
unsigned int udp_dest_port;
unsigned int udp_ulen;
unsigned int udp_len;
unsigned char rtp_ver;
unsigned char rtp_csrc_count;
unsigned char rtp_marker;
unsigned int rtp_pt;
unsigned long rtp_ssrc;
unsigned long rtp_csrc;
unsigned int rtp_len;
unsigned char counter_byte3;
unsigned char counter_byte4;
unsigned long counter_int_value;
unsigned int counter_len;
unsigned int data_length;
unsigned int total_header_length;
unsigned int in_dex;
unsigned long temp_current_csrc;
ip_dest_add = (unsigned char *) malloc(sizeof(char) * 4+1);
getDatagramSectionHeader(&dat_slen,&dat_len,0,section);
getIPDatagramHeader(&ip_dest_add_number,ip_dest_add,&ip_len_bytes,&ip_len,dat_len,section);
getUDPDatagramHeader(&udp_dest_port,&udp_ulen,&udp_len,dat_len+ip_len_bytes,section);
getRTPHeader(&rtp_ver,&rtp_csrc_count,&rtp_marker,&rtp_pt,&rtp_ssrc,&rtp_csrc,&rtp_len,dat_len+ip_len_bytes+udp_len,section);
getCounter(&counter_byte3,&counter_byte4,&counter_int_value,&counter_len,dat_len+ip_len_bytes+udp_len+rtp_len,section);
data_length = udp_ulen-8-rtp_len-counter_len;
total_header_length = dat_len+ip_len_bytes+udp_len+rtp_len+counter_len;
if ((dest_ip == ip_dest_add_number) && (dest_port == udp_dest_port)) {
if ((rtp_ver==2) && (rtp_marker==0)){
if (*current_csrc==0) {
*current_csrc=rtp_csrc;
}
if (((rtp_csrc & 0x3F) ==0) && (counter_int_value==0)){
*current_csrc=rtp_csrc;
}
if (*current_csrc==rtp_csrc) {
if (data_length>0) {
for(in_dex=total_header_length; in_dex<(total_header_length+data_length); in_dex++)
{
fprintf(ofh, "%c", section[in_dex]);
}
}
}
}
else if ((rtp_ver==0) && (rtp_pt==1) && (rtp_marker==0)){
if (((rtp_csrc >> 28) & 0xF) != 0xB) {
if ((counter_byte3==0x2) && (counter_byte4==0x1)){
for(in_dex=(total_header_length+0x1B); in_dex<(total_header_length+data_length); in_dex++)
{
fprintf(ofh, "%c", section[in_dex]);
}
*current_csrc= ((section[total_header_length+0x13] << 24) | (section[total_header_length+0x14] << 16) | (section[total_header_length+0x15] << 8) | (section[total_header_length+0x16]));
} else if ((counter_byte3==0x2) && (counter_byte4==0x2)){
for(in_dex=(total_header_length); in_dex<(total_header_length+data_length); in_dex++)
{
fprintf(ofh, "%c", section[in_dex]);
}
} else if ((counter_byte3==0x1) && (counter_byte4==0x1)){
temp_current_csrc=((section[total_header_length+0x13] << 24) | (section[total_header_length+0x14] << 16) | (section[total_header_length+0x15] << 8) | (section[total_header_length+0x16]));
if (*current_csrc==temp_current_csrc) {
for(in_dex=(total_header_length+0x1B); in_dex<(total_header_length+data_length); in_dex++)
{
fprintf(ofh, "%c", section[in_dex]);
}
}
}
}
}
}
free(ip_dest_add);
return;
}
int main (int argc, char **argv){
FILE *fh = NULL;
FILE *ofh = NULL;
char *inputfile = NULL;
char *outputfile = NULL;
unsigned int pid = 0;
unsigned int port = 0;
unsigned int pusi_packets = 0;
unsigned int hflag =0;
char *add_array[4];
unsigned long ip_address=0;
int i=0;
int c;
opterr = 0;
if (argc >1){
while ((c = getopt (argc, argv, "hi:o:p:s:a:n:")) != -1){
switch (c)
{
case 'i':
inputfile = optarg;
if (!strcmp(inputfile,"-")){
fh=stdin;
} else {
if((fh = fopen(inputfile,"rb")) == NULL){
perror("Error opening file");
return EXIT_FAILURE;
}
}
break;
case 'o':
outputfile = optarg;
if (!strcmp(outputfile,"-")){
ofh=stdout;
} else {
if((ofh = fopen(outputfile,"w+b")) == NULL){
perror("Error opening file");
return EXIT_FAILURE;
}
}
break;
case 'p':
pid = (int)atoi(optarg);
if((pid>0x1FFF) || (pid<0x0020)){
perror("Wrong pid value");
return EXIT_FAILURE;
}
break;
case 's':
pusi_packets = (int)atoi(optarg);
break;
case 'a':
add_array[i] = strtok(optarg,".");
while(add_array[i]!=NULL)
{
add_array[++i] = strtok(NULL,".");
}
ip_address = (int)atoi(add_array[0]);
ip_address = (ip_address << 8) | (int)atoi(add_array[1]);
ip_address = (ip_address << 8) | (int)atoi(add_array[2]);
ip_address = (ip_address << 8) | (int)atoi(add_array[3]);
break;
case 'n':
port = (int)atoi(optarg);
break;
case 'h':
hflag = 1;
break;
default:
break;
}
}
if((pid) && (ip_address) && (port) && (inputfile != NULL) && (outputfile != NULL) && (!pusi_packets) && (!hflag)){
unsigned int readsize;
unsigned int readlength = 188;
unsigned int sectionlength =4096;
unsigned char *buf;
unsigned char *section;
unsigned char ts_error;
unsigned char pusi;
unsigned int current_pid;
unsigned char af;
unsigned int header_len;
unsigned char started=0;
unsigned int pusi_af_offset;
unsigned int pusi_offset;
unsigned int payload_bytes=0;
unsigned long current_csrc=0;
unsigned int start_pos;
unsigned int dat_slen;
unsigned int dat_len;
unsigned int section_data_length=0;
unsigned int current_section_length=0;
buf = (unsigned char *) malloc(sizeof(char) * readlength+1);
section = (unsigned char *) malloc(sizeof(char) * sectionlength+1);
while( (readsize=fread(buf, sizeof *buf,readlength, fh)) >0 )
{
getTransportStreamHeader(&ts_error, &pusi, ¤t_pid, &af, &header_len, 0, buf);
if ((current_pid == pid) && (ts_error==0)){
if ((pusi==0) && (started==1)) {
pusi_af_offset=188;
if (af == 0x1) {
pusi_af_offset=0;
} else if (af == 0x3) {
pusi_af_offset=buf[4]+1;
}
memcpy(§ion[current_section_length],&buf[pusi_af_offset+header_len],(readlength-pusi_af_offset-header_len)*sizeof(char));
current_section_length += (readlength-pusi_af_offset-header_len)*sizeof(char);
} else if (pusi==1){
pusi_af_offset=188;
pusi_offset=188;
if (af == 0x1) {
pusi_af_offset=1+buf[4];
pusi_offset=buf[4];
} else if (af == 0x3) {
pusi_af_offset=2+buf[4]+buf[5+buf[4]];
pusi_offset=buf[buf[4]+5];
}
if ((started==1) && (payload_bytes>0)){
memcpy(§ion[current_section_length],&buf[pusi_af_offset+header_len-pusi_offset],(pusi_offset)*sizeof(char));
current_section_length += (pusi_offset)*sizeof(char);
processSection(pid, ip_address, port, ofh, ¤t_csrc, section);
}
start_pos=pusi_af_offset+header_len;
if ((start_pos<readlength) && (buf[start_pos] == 0x3E)) {
if (start_pos<122) {
getDatagramSectionHeader(&dat_slen,&dat_len,start_pos,buf);
section_data_length =dat_slen+3;
} else {
section_data_length=readlength-start_pos;
}
payload_bytes =readlength-start_pos;
while (section_data_length<payload_bytes) {
current_section_length =0;
memcpy(§ion[current_section_length],&buf[start_pos],(section_data_length)*sizeof(char));
current_section_length += (section_data_length)*sizeof(char);
processSection(pid, ip_address, port, ofh, ¤t_csrc, section);
start_pos += section_data_length;
if ((start_pos<readlength) && (buf[start_pos] == 0x3E)) {
if (start_pos<122) {
getDatagramSectionHeader(&dat_slen,&dat_len,start_pos,buf);
section_data_length =dat_slen+3;
}else {
section_data_length=readlength-start_pos;
}
payload_bytes =readlength-start_pos;
} else {
payload_bytes =0;
}
}
if ((start_pos<readlength) && (buf[start_pos] == 0x3E)) {
current_section_length =0;
memcpy(§ion[current_section_length],&buf[start_pos],(readlength-start_pos)*sizeof(char));
current_section_length += (readlength-start_pos)*sizeof(char);
}
started=1;
}
}
}
}
free(buf);
free(section);
fclose(fh);
fclose(ofh);
} else if((argc==5) && (inputfile != NULL) && (pusi_packets) && (!pid) && (!ip_address) && (!port) && (outputfile == NULL) && (!hflag)){
unsigned int readsize;
unsigned int readlength = 188;
unsigned char *buf;
char *channel_list;
unsigned int max_channel_list_length =4096;
unsigned int channel_list_length=0;
unsigned char ts_error;
unsigned char pusi;
unsigned int current_pid;
unsigned char af;
unsigned int header_len;
unsigned int offset=188;
unsigned int packet_counter=0;
int pid_channels=-1;
unsigned int section_data_length=0;
unsigned int dat_len;
unsigned int dat_slen;
unsigned long ip_dest_add_number;
unsigned char ip_dest_add;
unsigned int ip_len_bytes;
unsigned int ip_len;
unsigned int udp_dest_port;
unsigned int udp_ulen;
unsigned int udp_len;
unsigned char rtp_ver;
unsigned char rtp_csrc_count;
unsigned char rtp_marker;
unsigned int rtp_pt;
unsigned long rtp_ssrc;
unsigned long rtp_csrc;
unsigned int rtp_len;
unsigned char counter_byte3;
unsigned char counter_byte4;
unsigned long counter_int_value;
unsigned int counter_len;
unsigned int total_header_length;
t_stream stream[50];
unsigned int stream_counter=0;
unsigned int i,j,k,pos=0;
unsigned int found=0;
unsigned long temp_ip=0;
unsigned int temp_port=0;
char *temp_name="";
char *temp_ip_str="";
char *temp_port_str="";
char *temp_str="";
char *s1,*s2;
char tp_name[10];
char tp_media_type[10];
buf = (unsigned char *) malloc(sizeof(char) * readlength+1);
channel_list = (char *) malloc(sizeof(char) * max_channel_list_length+1);
while( (readsize=fread(buf, sizeof *buf,readlength, fh)) >0 )
{
getTransportStreamHeader(&ts_error, &pusi, ¤t_pid, &af, &header_len, 0, buf);
offset = header_len;
if (pusi==1){
if (af == 0x1) {
offset+=1+buf[4];
} else if (af == 0x3) {
offset+=buf[4]+2+buf[5+buf[4]];
} else {
offset=188;
}
} else {
if (af == 0x1) {
offset+=0;
} else if (af == 0x3) {
offset+=buf[4]+1;
} else {
offset=188;
}
}
if ((pusi==1) && (ts_error == 0) && (current_pid > 0x1F)){
if (offset<128) {
getDatagramSectionHeader(&dat_slen,&dat_len,offset,buf);
getIPDatagramHeader(&ip_dest_add_number,&ip_dest_add,&ip_len_bytes,&ip_len,offset+dat_len,buf);
getUDPDatagramHeader(&udp_dest_port,&udp_ulen,&udp_len,offset+dat_len+ip_len_bytes,buf);
getRTPHeader(&rtp_ver,&rtp_csrc_count,&rtp_marker,&rtp_pt,&rtp_ssrc,&rtp_csrc,&rtp_len,offset+dat_len+ip_len_bytes+udp_len,buf);
getCounter(&counter_byte3,&counter_byte4,&counter_int_value,&counter_len,offset+dat_len+ip_len_bytes+udp_len+rtp_len,buf);
total_header_length = offset+dat_len+ip_len_bytes+udp_len+rtp_len+counter_len;
if ((pid_channels==-1) && (rtp_ssrc==ip_dest_add_number) && (counter_int_value==0)) {
pid_channels=current_pid;
stream[stream_counter].name="Channel List";
stream[stream_counter].ip=ip_dest_add_number;
stream[stream_counter].port=udp_dest_port;
stream[stream_counter].pid=current_pid;
stream_counter++;
section_data_length =dat_slen-61;
if ((readlength-1-total_header_length-1)<= section_data_length) {
memcpy(&channel_list[channel_list_length],&buf[total_header_length],(readlength-total_header_length)*sizeof(char));
channel_list_length +=readlength-total_header_length;
section_data_length -=readlength-total_header_length;
} else {
memcpy(&channel_list[channel_list_length],&buf[total_header_length],(section_data_length)*sizeof(char));
channel_list_length +=section_data_length;
section_data_length -= section_data_length;
}
} else if ((pid_channels==current_pid) && (rtp_ssrc==ip_dest_add_number) && (counter_int_value==channel_list_length)) {
section_data_length =dat_slen-61;
if ((readlength-1-total_header_length-1)<= section_data_length) {
memcpy(&channel_list[channel_list_length],&buf[total_header_length],(readlength-total_header_length)*sizeof(char));
channel_list_length +=readlength-total_header_length;
section_data_length -=readlength-total_header_length;
} else {
memcpy(&channel_list[channel_list_length],&buf[total_header_length],(section_data_length)*sizeof(char));
channel_list_length +=section_data_length;
section_data_length -= section_data_length;
}
} else if ((pid_channels==current_pid) && (rtp_ssrc==ip_dest_add_number) && (counter_int_value==0) && ((channel_list_length)>0)) {
pid_channels=-2;
}
if (((rtp_ver==2) && (rtp_marker==0) && (counter_int_value==0) ) ||
((rtp_ver==0) && (rtp_marker==0) && (rtp_pt==1) )){
packet_counter+=1;
found=0;
for(i=0;i<stream_counter;i++){
if ((stream[i].ip==ip_dest_add_number) && (stream[i].port==udp_dest_port)){
stream[i].pt=rtp_pt;
stream[i].pid=current_pid;
found=1;
}
}
if (!found){
stream[stream_counter].ip=ip_dest_add_number;
stream[stream_counter].port=udp_dest_port;
stream[stream_counter].pt=rtp_pt;
stream[stream_counter].pid=current_pid;
stream[stream_counter].name="";
stream_counter++;
}
}
}
} else {
if ((pid_channels==current_pid) && (section_data_length>0)) {
if ((readlength-1-offset-1)<= section_data_length) {
memcpy(&channel_list[channel_list_length],&buf[offset],(readlength-offset)*sizeof(char));
channel_list_length +=readlength-offset;
section_data_length -=readlength-offset;
} else {
memcpy(&channel_list[channel_list_length],&buf[offset],(section_data_length)*sizeof(char));
channel_list_length +=section_data_length;
section_data_length -= section_data_length;
}
}
}
if (packet_counter==pusi_packets) { break;}
}
pos=0;
s1=&channel_list[0];
s2=&channel_list[0];
while ((s1!=NULL))
{
s1=strstr(&channel_list[pos],";mi=");
s2=strstr(&channel_list[pos],"&mp=");
if(s1!=NULL){
if(s2!=NULL){
i=(int)(s1-&channel_list[0]);
j=(int)(s2-s1-4);
pos=(int)(i+j);
temp_ip_str = (char *) malloc(sizeof(char) * j+1);
for(k=0;k<j;k++){
memcpy(&temp_ip_str[k],&channel_list[i+4+k],1);
}
i=0;
add_array[i] = strtok(temp_ip_str,".");
while(add_array[i]!=NULL)
{
add_array[++i] = strtok(NULL,".");
}
temp_ip = (int)atoi(add_array[0]);
temp_ip = (temp_ip << 8) | (int)atoi(add_array[1]);
temp_ip = (temp_ip << 8) | (int)atoi(add_array[2]);
temp_ip = (temp_ip << 8) | (int)atoi(add_array[3]);
}
}
s1=strstr(&channel_list[pos],"&mp=");
s2=strstr(&channel_list[pos],"&mii=");
if(s1!=NULL){
if(s2!=NULL){
i=(int)(s1-&channel_list[0]);
j=(int)(s2-s1-4);
pos=(int)(i+j);
temp_port_str = (char *) malloc(sizeof(char) * j+1);
for(k=0;k<j;k++){
temp_port_str[k]=channel_list[i+4+k];
}
temp_port=(int)atoi(temp_port_str);
}
}
s1=strstr(&channel_list[pos],"&sri=");
s2=strstr(&channel_list[pos],"&la=");
if(s1!=NULL){
if(s2!=NULL){
i=(int)(s1-&channel_list[0]);
j=(int)(s2-s1-5);
pos=(int)(i+j);
temp_name = (char *) malloc(sizeof(char) * j+1);
for(k=0;k<j;k++){
temp_name[k]=channel_list[i+5+k];
}
}
}
s1=strstr(&channel_list[pos],";mi=");
for(i=0;i<stream_counter;i++){
if(stream[i].ip==temp_ip){
if(stream[i].port==temp_port){
stream[i].name=temp_name;
}
}
}
}
quicksort_pid(stream,0,stream_counter-1);
printf("%-3s | %-4s | %-15s | %-5s | %-16s | %-30s\n", "Nr.","PID","Dest-IP-Address","Port","Payload Type","Channel Name");
printf("%-3s | %-4s | %-15s | %-5s | %-16s | %-30s\n", "---","----","---------------","-----","----------------","------------------------------");
for(i=0;i<stream_counter;i++){
temp_str = (char *) malloc(sizeof(char) * 3+1);
temp_ip_str = (char *) malloc(sizeof(char) * 15+1);
snprintf(temp_str,4,"%lu",((stream[i].ip>>24)& 0xFF));
strcat(temp_ip_str,temp_str);
strcat(temp_ip_str,".");
snprintf(temp_str,4,"%lu",((stream[i].ip>>16)& 0xFF));
strcat(temp_ip_str,temp_str);
strcat(temp_ip_str,".");
snprintf(temp_str,4,"%lu",((stream[i].ip>>8)& 0xFF));
strcat(temp_ip_str,temp_str);
strcat(temp_ip_str,".");
snprintf(temp_str,4,"%lu",((stream[i].ip)& 0xFF));
strcat(temp_ip_str,temp_str);
getPayloadType(stream[i].pt,tp_name,tp_media_type);
printf("%-3d | %-4d | %-15s | %-5d | %-3d %-10s %-2s | %-30s\n",i+1,stream[i].pid,temp_ip_str,stream[i].port,stream[i].pt,tp_name,tp_media_type,stream[i].name);
}
free(buf);
free(channel_list);
fclose(fh);
} else if(hflag){
printf("\nUsage: dvb-ip-mpe2ts [OPTIONS]\n");
printf("----------------------------------------------\n");
printf("dvb-ip-mpe2ts v0.7a 22/11/2018\n");
printf("\n");
printf("Extract ts-file:\n");
printf("-i, DVB-IP-MPE TS input file ('-' for STDIN)\n");
printf("-o, extracted TS output file ('-' for STDOUT)\n");
printf("-p, pid to be processed\n");
printf("-a, destination IP-address, e.g. 127.0.0.1\n");
printf("-n, destination port, e.g. 3000\n");
printf("\n");
printf("Scan file for pids, destination IP-addresses and port:\n");
printf("-s, number of valid TS packets with pusi to be scanned in DVB-IP-MPE TS input file, e.g 100\n");
printf("-i, DVB-IP-MPE TS input file ('-' for STDIN)\n");
printf("\n");
printf("Help:\n");
printf("-h, print this help\n");
printf("\n");
printf("Examples:\n");
printf("dvb-ip-mpe2ts -i inputfile.ts -o outputfile.ts -p 200 -a 127.0.0.1 -n 3000\n");
printf("dvb-ip-mpe2ts -i inputfile.ts -o - -p 200 -a 127.0.0.1 -n 3000 > outputfile.ts\n");
printf("cat inputfile.ts | dvb-ip-mpe2ts -i - -o - -p 200 -a 127.0.0.1 -n 3000 > outputfile.ts\n");
printf("dvb-ip-mpe2ts -i inputfile.ts -s 100\n");
printf("\n");
} else {
printf("Wrong usage! Use flag -h for help.\n");
}
} else {
printf("Wrong usage! Use flag -h for help.\n");
}
return 0;
}