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#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <sys/poll.h>
#include <sys/time.h>
#include <string.h>
#include <linux/dvb/dmx.h>
#include <linux/dvb/frontend.h>
#include <linux/dvb/video.h>
#define BSIZE 188
int pidt[0x2001];
int main(int argc, char **argv)
{
int fd, ffd, packets = 0;
struct timeval startt;
struct dmx_pes_filter_params flt;
char *search;
unsigned char buffer[BSIZE];
fd = open("/dev/dvb/adapter0/dvr0", O_RDONLY);
ioctl(fd, DMX_SET_BUFFER_SIZE, 1024 * 1024);
ffd = open("/dev/dvb/adapter0/demux0", O_RDWR);
if (ffd < 0) {
perror("/dev/dvb/adapter0/demux0");
return -fd;
}
flt.pid = 0x2000;
flt.input = DMX_IN_FRONTEND;
flt.output = DMX_OUT_TS_TAP;
flt.pes_type = DMX_PES_OTHER;
flt.flags = 0;
if (ioctl(ffd, DMX_SET_PES_FILTER, &flt) < 0) {
perror("DMX_SET_PES_FILTER");
return -1;
}
if (ioctl(ffd, DMX_START, 0) < 0) {
perror("DMX_SET_PES_FILTER");
return -1;
}
gettimeofday(&startt, 0);
if (argc > 1)
search = argv[1];
else
search = 0;
while (1) {
int pid, r, ok;
if ((r = read(fd, buffer, 188)) <= 0) {
perror("read");
break;
}
if (r != 188) {
printf("only read %d\n", r);
break;
}
if (buffer[0] != 0x47) {
continue;
printf("desync (%x)\n", buffer[0]);
while (buffer[0] != 0x47)
read(fd, buffer, 1);
continue;
}
ok = 1;
pid = ((((unsigned) buffer[1]) << 8) |
((unsigned) buffer[2])) & 0x1FFF;
if (search) {
int i, sl = strlen(search);
ok = 0;
if (pid != 0x1fff) {
for (i = 0; i < (188 - sl); ++i) {
if (!memcmp(buffer + i, search, sl))
ok = 1;
}
}
}
if (ok) {
pidt[pid]++;
pidt[0x2000]++;
}
packets++;
if (!(packets & 0xFF)) {
struct timeval now;
int diff;
gettimeofday(&now, 0);
diff =
(now.tv_sec - startt.tv_sec) * 1000 +
(now.tv_usec - startt.tv_usec) / 1000;
if (diff > 1000) {
int pid = 0;
for (pid = 0; pid < 0x2001; pid++) {
if (pidt[pid]) {
printf("%04x %5d p/s %5d kb/s %5d kbit\n",
pid,
pidt[pid] * 1000 / diff,
pidt[pid] * 1000 / diff * 188 / 1024,
pidt[pid] * 8 * 1000 / diff * 188 / 1000);
}
pidt[pid] = 0;
}
printf("-PID--FREQ-----BANDWIDTH-BANDWIDTH-\n");
startt = now;
}
}
}
close(ffd);
close(fd);
return 0;
}
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