Commit dd34b12f authored by Jean-Paul Saman's avatar Jean-Paul Saman

examples/dump_pids.c:

Dump packet nr, PID and CC to stdout.
parent d9bf9c75
......@@ -3,7 +3,11 @@
SUBDIRS = dvbinfo
DIST_SUBDIRS = $(SUBDIRS)
noinst_PROGRAMS = decode_pat decode_pmt get_pcr_pid decode_sdt decode_mpeg decode_bat
noinst_PROGRAMS = decode_pat decode_pmt get_pcr_pid decode_sdt decode_mpeg decode_bat dump_pids
dump_pids_SOURCES = dump_pids.c
dump_pids_CPPFLAGS =
dump_pids_LDFLAGS =
decode_pat_SOURCES = decode_pat.c
decode_pat_CPPFLAGS = -DDVBPSI_DIST
......
#include "config.h"
#if defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#elif defined(HAVE_STDINT_H)
# include <stdint.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <assert.h>
static inline uint32_t ts_getcc(uint8_t *packet)
{
return (packet[3] & 0x0f);
}
static inline uint32_t ts_getpid(uint8_t *packet)
{
assert(packet[0] == 0x47);
return ((uint16_t)(packet[1] & 0x1f) << 8) + packet[2];
}
int main(int argc, char *argv[])
{
int file = open(argv[1], O_RDONLY | O_NONBLOCK);
if (file < 0) {
perror(argv[1]);
printf("error opening %s\n", argv[1]);
return -1;
}
int32_t s = 188; /* COULD ALSO BE 192 */
uint8_t p[188] = { 0 };
int64_t n = 0;
size_t len = 0;
for (;;) {
/* slow read */
len = read(file, &p[0], s);
if (len == 0)
break;
uint32_t pid = ts_getpid(&p[0]);
uint32_t cc = ts_getcc(&p[0]);
n++;
printf("packet %ld, pid %u, cc %d\n", n, pid, cc );
}
close(file);
return 0;
}
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