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dddvb/apps/cit.c

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6.3 KiB
C
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#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <pthread.h>
#include <getopt.h>
uint32_t adapter = 0, device = 0, snum = 256, rnum = 256;
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uint8_t fill[188]={0x47, 0x1f, 0xff, 0x10,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff };
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#if 0
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uint8_t ts[188]={0x47, 0x0a, 0xaa, 0x00,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff };
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#else
uint8_t ts[188]={0x47, 0x0a, 0xaa, 0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,
0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,
0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa };
#endif
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void proc_buf(uint8_t *buf, uint32_t *d)
{
uint32_t c;
static uint32_t tc=0;
if (buf[1]==0x1f && buf[2]==0xff) {
//printf("fill\n");
return;
}
if (buf[1]==0x9f && buf[2]==0xff) {
//printf("fill\n");
return;
}
if (buf[1]==0x1a && buf[2]==0xbb) {
tc++;
if (!(tc&0xfff))
printf("T %d\n", tc);
return;
}
//printf("%02x %02x %02x %02x\n", buf[0], buf[1], buf [2], buf[3]);
if (buf[1]!=0x0a || buf[2]!=0xaa)
return;
c=(buf[4]<<24)|(buf[5]<<16)|(buf[6]<<8)|buf[7];
if (c!=*d) {
printf("CONT ERROR: got %08x expected %08x\n", c, *d);
*d=c;
} else {
if (memcmp(ts+8, buf+8, 180))
printf("error\n");
if (!(c&0xffff)) {
printf("R %08x\r", c);
fflush(0);
}
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}
(*d)++;
}
void *get_ts(void *a)
{
uint8_t *buf;
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int len, off;
int fdi;
char fname[80];
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uint32_t d=0;
buf = malloc(188*rnum);
if (!buf)
return NULL;
sprintf(fname, "/dev/dvb/adapter%u/ci%u", adapter, device);
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printf("using %s for reading\n", fname);
fdi = open(fname, O_RDONLY);
if (fdi == -1) {
printf("Failed to open %s for read: %m\n", fname);
return NULL;
}
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while (1) {
memset(buf, 0, 188*rnum);
len=read(fdi, buf, 188*rnum);
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if (len<0)
continue;
//printf("read %u\n", len);
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if (buf[0]!=0x47) {
read(fdi, buf, 1);
continue;
}
for (off=0; off<len; off+=188) {
proc_buf(buf+off, &d);
}
}
}
int send(void)
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{
uint8_t *buf, *cts;
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int i;
uint32_t c=0;
int fdo;
char fname[80];
buf = malloc(188*snum);
if (!buf)
return -1;
sprintf(fname, "/dev/dvb/adapter%u/ci%u", adapter, device);
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printf("using %s for writing\n", fname);
fdo=open(fname, O_WRONLY);
if (fdo == -1) {
printf("Failed to open %s to write: %m\n", fname);
exit(2);
}
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while (1) {
for (i=0; i<snum; i++) {
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cts=buf+i*188;
memcpy(cts, ts, 188);
cts[4]=(c>>24);
cts[5]=(c>>16);
cts[6]=(c>>8);
cts[7]=c;
//write(fdo, fill, 188);
//printf("S %d\n", c);
c++;
//usleep(100000+0xffff&rand());
//usleep(1000);
}
write(fdo, buf, 188*snum);
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}
}
int main(int argc, char **argv)
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{
pthread_t th;
while (1) {
int option_index = 0;
int c;
static struct option long_options[] = {
{"adapter", required_argument, 0, 'a'},
{"device", required_argument, 0, 'd'},
{"snum", required_argument, 0, 's'},
{"rnum", required_argument, 0, 'r'},
{"help", no_argument , 0, 'h'},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv,
"a:d:h",
long_options, &option_index);
if (c==-1)
break;
switch (c) {
case 'd':
device = strtoul(optarg, NULL, 10);
break;
case 'a':
adapter = strtoul(optarg, NULL, 10);
break;
case 's':
snum = strtoul(optarg, NULL, 10);
break;
case 'r':
rnum = strtoul(optarg, NULL, 10);
break;
case 'h':
printf("cit -a<adapter> -d<device>\n");
exit(-1);
default:
break;
}
}
if (optind < argc) {
printf("Warning: unused arguments\n");
}
printf("adapter %d, device: %d\n", adapter, device);
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memset(ts+8, 180, 0x5a);
pthread_create(&th, NULL, get_ts, NULL);
usleep(10000);
send();
}