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-rw-r--r--util/szap/czap.c91
1 files changed, 53 insertions, 38 deletions
diff --git a/util/szap/czap.c b/util/szap/czap.c
index 469df56..e04ed4b 100644
--- a/util/szap/czap.c
+++ b/util/szap/czap.c
@@ -13,6 +13,8 @@
#include <linux/dvb/frontend.h>
#include <linux/dvb/dmx.h>
+#include "util.h"
+
static char FRONTEND_DEV [80];
static char DEMUX_DEV [80];
@@ -118,7 +120,7 @@ char *find_channel(FILE *f, int list_channels, int *chan_no, const char *channel
int parse(const char *fname, int list_channels, int chan_no, const char *channel,
- struct dvb_frontend_parameters *frontend, int *vpid, int *apid)
+ struct dvb_frontend_parameters *frontend, int *vpid, int *apid, int *sid)
{
FILE *f;
char *chan;
@@ -141,10 +143,10 @@ int parse(const char *fname, int list_channels, int chan_no, const char *channel
}
printf("%3d %s", chan_no, chan);
- if ((sscanf(chan, "%a[^:]:%d:%a[^:]:%d:%a[^:]:%a[^:]:%d:%d\n",
+ if ((sscanf(chan, "%m[^:]:%d:%m[^:]:%d:%m[^:]:%m[^:]:%d:%d:%d\n",
&name, &frontend->frequency,
&inv, &frontend->u.qam.symbol_rate,
- &fec, &mod, vpid, apid) != 8)
+ &fec, &mod, vpid, apid, sid) != 9)
|| !name || !inv || !fec | !mod) {
ERROR("cannot parse service data");
return -3;
@@ -165,10 +167,10 @@ int parse(const char *fname, int list_channels, int chan_no, const char *channel
ERROR("modulation field syntax '%s'", mod);
return -6;
}
- printf("%3d %s: f %d, s %d, i %d, fec %d, qam %d, v %#x, a %#x\n",
+ printf("%3d %s: f %d, s %d, i %d, fec %d, qam %d, v %#x, a %#x, s %#x \n",
chan_no, name, frontend->frequency, frontend->u.qam.symbol_rate,
frontend->inversion, frontend->u.qam.fec_inner,
- frontend->u.qam.modulation, *vpid, *apid);
+ frontend->u.qam.modulation, *vpid, *apid, *sid);
free(name);
free(inv);
free(fec);
@@ -178,31 +180,6 @@ int parse(const char *fname, int list_channels, int chan_no, const char *channel
}
-
-static
-int set_pesfilter (int fd, int pid, dmx_pes_type_t type, int dvr)
-{
- struct dmx_pes_filter_params pesfilter;
-
- if (pid <= 0 || pid >= 0x1fff)
- return 0;
-
- pesfilter.pid = pid;
- pesfilter.input = DMX_IN_FRONTEND;
- pesfilter.output = dvr ? DMX_OUT_TS_TAP : DMX_OUT_DECODER;
- pesfilter.pes_type = type;
- pesfilter.flags = DMX_IMMEDIATE_START;
-
- if (ioctl(fd, DMX_SET_PES_FILTER, &pesfilter) < 0) {
- PERROR ("ioctl(DMX_SET_PES_FILTER) for %s PID failed",
- type == DMX_PES_AUDIO ? "Audio" :
- type == DMX_PES_VIDEO ? "Video" : "??");
- return -1;
- }
-
- return 0;
-}
-
static
int setup_frontend(int fe_fd, struct dvb_frontend_parameters *frontend)
{
@@ -264,9 +241,20 @@ int check_frontend (int fe_fd, int human_readable)
}
-static const char *usage = "\nusage: %s [-a adapter_num] [-f frontend_id] [-d demux_id] [-c conf_file] [ -H ] {<channel name>| -n channel_num} [-x]\n"
- " or: %s [-c conf_file] -l\n\n";
-
+static const char *usage =
+ "\nusage: %s [options] -l\n"
+ " list known channels\n"
+ " %s [options] {-n channel-number|channel_name}\n"
+ " zap to channel via number or full name (case insensitive)\n"
+ " -a number : use given adapter (default 0)\n"
+ " -f number : use given frontend (default 0)\n"
+ " -d number : use given demux (default 0)\n"
+ " -c file : read channels list from 'file'\n"
+ " -x : exit after tuning\n"
+ " -H : human readable output\n"
+ " -r : set up /dev/dvb/adapterX/dvr0 for TS recording\n"
+ " -p : add pat and pmt to TS recording (implies -r)\n"
+;
int main(int argc, char **argv)
{
@@ -275,12 +263,12 @@ int main(int argc, char **argv)
char *confname = NULL;
char *channel = NULL;
int adapter = 0, frontend = 0, demux = 0, dvr = 0;
- int vpid, apid;
- int frontend_fd, video_fd, audio_fd;
+ int vpid, apid, sid, pmtpid = 0;
+ int frontend_fd, video_fd, audio_fd, pat_fd, pmt_fd;
int opt, list_channels = 0, chan_no = 0;
- int human_readable = 0;
+ int human_readable = 0, rec_psi = 0;
- while ((opt = getopt(argc, argv, "Hln:hrn:a:f:d:c:x")) != -1) {
+ while ((opt = getopt(argc, argv, "Hln:hrn:a:f:d:c:x:p")) != -1) {
switch (opt) {
case 'a':
adapter = strtoul(optarg, NULL, 0);
@@ -300,6 +288,9 @@ int main(int argc, char **argv)
case 'n':
chan_no = strtoul(optarg, NULL, 0);
break;
+ case 'p':
+ rec_psi = 1;
+ break;
case 'x':
exit_after_tuning = 1;
break;
@@ -352,7 +343,7 @@ int main(int argc, char **argv)
memset(&frontend_param, 0, sizeof(struct dvb_frontend_parameters));
- if (parse(confname, list_channels, chan_no, channel, &frontend_param, &vpid, &apid))
+ if (parse(confname, list_channels, chan_no, channel, &frontend_param, &vpid, &apid, &sid))
return -1;
if (list_channels)
return 0;
@@ -365,6 +356,28 @@ int main(int argc, char **argv)
if (setup_frontend(frontend_fd, &frontend_param) < 0)
return -1;
+ if (rec_psi) {
+ pmtpid = get_pmt_pid(DEMUX_DEV, sid);
+ if (pmtpid <= 0) {
+ fprintf(stderr,"couldn't find pmt-pid for sid %04x\n",sid);
+ return -1;
+ }
+
+ if ((pat_fd = open(DEMUX_DEV, O_RDWR)) < 0) {
+ perror("opening pat demux failed");
+ return -1;
+ }
+ if (set_pesfilter(pat_fd, 0, DMX_PES_OTHER, dvr) < 0)
+ return -1;
+
+ if ((pmt_fd = open(DEMUX_DEV, O_RDWR)) < 0) {
+ perror("opening pmt demux failed");
+ return -1;
+ }
+ if (set_pesfilter(pmt_fd, pmtpid, DMX_PES_OTHER, dvr) < 0)
+ return -1;
+ }
+
if ((video_fd = open(DEMUX_DEV, O_RDWR)) < 0) {
PERROR("failed opening '%s'", DEMUX_DEV);
return -1;
@@ -383,6 +396,8 @@ int main(int argc, char **argv)
check_frontend (frontend_fd, human_readable);
+ close (pat_fd);
+ close (pmt_fd);
close (audio_fd);
close (video_fd);
close (frontend_fd);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 20:34:05 +0000