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t2mi.c
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t2mi.c
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/*
* Copyright (C) 2016 Catalin Toda <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <math.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <time.h>
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <fcntl.h>
#include <ctype.h>
#include "dvb.h"
#include "socketworks.h"
#include "minisatip.h"
#include "t2mi.h"
#include "utils.h"
#include "tables.h"
#define DEFAULT_LOG LOG_STREAM
t2mi_device_t *t2[MAX_ADAPTERS];
t2mi_device_t *get_or_alloc_t2mi(int id)
{
if (t2[id])
return t2[id];
if (id < 0 || id >= MAX_ADAPTERS)
return NULL;
LOG("Allocating t2mi for device %d", id);
t2[id] = malloc1(sizeof(t2mi_device_t));
return t2[id];
}
void detect_t2mi(adapter *ad)
{
int i, pid;
int rlen = ad->rlen;
uint8_t *b;
for (i = 0; i < rlen; i += DVB_FRAME)
{
b = ad->buf + i;
pid = PID_FROM_TS(b);
if (pid != T2MI_PID)
{
ad->is_t2mi = -1; // no t2mi
return;
}
}
for (i = 0; i < rlen; i += DVB_FRAME)
{
b = ad->buf + i;
pid = PID_FROM_TS(b);
if (pid == T2MI_PID)
{
ad->is_t2mi = 1; // t2mi
return;
}
}
}
// unpack t2mi stream
void t2mi_process_t2mi(t2mi_device_t *t, adapter *ad, uint8_t *b)
{
}
int t2mi_process_ts(adapter *ad)
{
int i, pid;
int rlen = ad->rlen;
uint8_t *b;
if (ad->is_t2mi == 0)
detect_t2mi(ad);
if (ad->is_t2mi <= 0)
return 0;
t2mi_device_t *t = get_or_alloc_t2mi(ad->id);
for (i = 0; i < rlen; i += DVB_FRAME)
{
b = ad->buf + i;
pid = PID_FROM_TS(b);
if (pid == T2MI_PID)
t2mi_process_t2mi(t, ad, b);
}
return 0;
}
void free_t2mi()
{
int i;
for(i=0;i<MAX_ADAPTERS;i++)
if(t2[i])
{
free1(t2[i]);
t2[i] = NULL;
}
}