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-rw-r--r--util/szap/tzap.c232
1 files changed, 107 insertions, 125 deletions
diff --git a/util/szap/tzap.c b/util/szap/tzap.c
index b24bc2c..ce63832 100644
--- a/util/szap/tzap.c
+++ b/util/szap/tzap.c
@@ -47,18 +47,18 @@ static int exit_after_tuning;
#define CHANNEL_FILE "channels.conf"
#define ERROR(x...) \
- do { \
- fprintf(stderr, "ERROR: "); \
- fprintf(stderr, x); \
- fprintf (stderr, "\n"); \
- } while (0)
+ do { \
+ fprintf(stderr, "ERROR: "); \
+ fprintf(stderr, x); \
+ fprintf (stderr, "\n"); \
+ } while (0)
#define PERROR(x...) \
- do { \
- fprintf(stderr, "ERROR: "); \
- fprintf(stderr, x); \
- fprintf (stderr, " (%s)\n", strerror(errno)); \
- } while (0)
+ do { \
+ fprintf(stderr, "ERROR: "); \
+ fprintf(stderr, x); \
+ fprintf (stderr, " (%s)\n", strerror(errno)); \
+ } while (0)
typedef struct {
@@ -125,9 +125,7 @@ static const Param transmissionmode_list [] = {
#define LIST_SIZE(x) sizeof(x)/sizeof(Param)
-
-static
-int parse_param (int fd, const Param * plist, int list_size, int *param)
+static int parse_param (int fd, const Param * plist, int list_size, int *param)
{
char c;
int character = 0;
@@ -157,8 +155,7 @@ int parse_param (int fd, const Param * plist, int list_size, int *param)
}
-static
-int parse_int(int fd, int *val)
+static int parse_int(int fd, int *val)
{
char number[11]; /* 2^32 needs 10 digits... */
int character = 0;
@@ -190,8 +187,7 @@ int parse_int(int fd, int *val)
}
-static
-int find_channel(int fd, const char *channel)
+static int find_channel(int fd, const char *channel)
{
int character = 0;
@@ -346,13 +342,11 @@ int parse(const char *fname, const char *channel,
if ((err = try_parse_int(fd, apid, "Audio PID")))
return -13;
-
+
if ((err = try_parse_int(fd, sid, "Service ID")))
return -14;
-
-
- close(fd);
+ close(fd);
return 0;
}
@@ -372,7 +366,7 @@ int setup_frontend (int fe_fd, struct dvb_frontend_parameters *frontend)
return -1;
}
- if (silent<2)
+ if (silent < 2)
fprintf (stderr,"tuning to %i Hz\n", frontend->frequency);
if (ioctl(fe_fd, FE_SET_FRONTEND, frontend) < 0) {
@@ -383,25 +377,20 @@ int setup_frontend (int fe_fd, struct dvb_frontend_parameters *frontend)
return 0;
}
-static void
-do_timeout(int x)
+static void do_timeout(int x)
{
(void)x;
- if (timeout_flag==0)
- {
- timeout_flag=1;
+ if (timeout_flag == 0) {
+ timeout_flag = 1;
alarm(2);
signal(SIGALRM, do_timeout);
- }
- else
- {
+ } else {
/* something has gone wrong ... exit */
exit(1);
}
}
-static void
-print_frontend_stats (int fe_fd, int human_readable)
+static void print_frontend_stats(int fe_fd, int human_readable)
{
fe_status_t status;
uint16_t snr, _signal;
@@ -446,14 +435,13 @@ int check_frontend (int fe_fd, int human_readable)
}
#define BUFLEN (188*256)
-static
-void copy_to_file(int in_fd, int out_fd)
+static void copy_to_file(int in_fd, int out_fd)
{
char buf[BUFLEN];
int r;
long long int rc = 0LL;
- while(timeout_flag==0)
- {
+
+ while (timeout_flag==0) {
r=read(in_fd,buf,BUFLEN);
if (r < 0) {
if (errno == EOVERFLOW) {
@@ -469,36 +457,36 @@ void copy_to_file(int in_fd, int out_fd)
}
rc+=r;
}
- if (silent<2)
- {
+
+ if (silent<2) {
fprintf(stderr, "copied %lld bytes (%lld Kbytes/sec)\n",rc,rc/(1024*timeout));
}
}
static char *usage =
- "usage:\n"
- " tzap [options] <channel_name>\n"
- " zap to channel channel_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"
- " -r : set up /dev/dvb/adapterX/dvr0 for TS recording\n"
- " -p : add pat and pmt to TS recording (implies -r)\n"
- " -s : only print summary\n"
- " -S : run silently (no output)\n"
- " -H : human readable output\n"
- " -F : set up frontend only, don't touch demux\n"
- " -t number : timeout (seconds)\n"
- " -o file : output filename (use -o - for stdout)\n"
- " -h -? : display this help and exit\n";
+ "usage:\n"
+ " tzap [options] <channel_name>\n"
+ " zap to channel channel_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"
+ " -r : set up /dev/dvb/adapterX/dvr0 for TS recording\n"
+ " -p : add pat and pmt to TS recording (implies -r)\n"
+ " -s : only print summary\n"
+ " -S : run silently (no output)\n"
+ " -H : human readable output\n"
+ " -F : set up frontend only, don't touch demux\n"
+ " -t number : timeout (seconds)\n"
+ " -o file : output filename (use -o - for stdout)\n"
+ " -h -? : display this help and exit\n";
int main(int argc, char **argv)
{
struct dvb_frontend_parameters frontend_param;
- char *homedir = getenv ("HOME");
+ char *homedir = getenv("HOME");
char *confname = NULL;
char *channel = NULL;
int adapter = 0, frontend = 0, demux = 0, dvr = 0;
@@ -569,32 +557,37 @@ int main(int argc, char **argv)
return -1;
}
- snprintf (FRONTEND_DEV, sizeof(FRONTEND_DEV),
- "/dev/dvb/adapter%i/frontend%i", adapter, frontend);
+ snprintf(FRONTEND_DEV,
+ sizeof(FRONTEND_DEV),
+ "/dev/dvb/adapter%i/frontend%i",
+ adapter,
+ frontend);
- snprintf (DEMUX_DEV, sizeof(DEMUX_DEV),
- "/dev/dvb/adapter%i/demux%i", adapter, demux);
+ snprintf(DEMUX_DEV,
+ sizeof(DEMUX_DEV),
+ "/dev/dvb/adapter%i/demux%i",
+ adapter,
+ demux);
- snprintf (DVR_DEV, sizeof(DVR_DEV),
- "/dev/dvb/adapter%i/dvr%i", adapter, demux);
+ snprintf(DVR_DEV,
+ sizeof(DVR_DEV),
+ "/dev/dvb/adapter%i/dvr%i",
+ adapter,
+ demux);
- if (silent<2)
+ if (silent < 2)
fprintf (stderr,"using '%s' and '%s'\n", FRONTEND_DEV, DEMUX_DEV);
- if (!confname)
- {
+ if (!confname) {
int len = strlen(homedir) + strlen(CHANNEL_FILE) + 18;
if (!homedir)
ERROR ("$HOME not set");
confname = malloc (len);
- snprintf (confname, len, "%s/.tzap/%i/%s",
- homedir, adapter, CHANNEL_FILE);
+ snprintf(confname, len, "%s/.tzap/%i/%s", homedir, adapter, CHANNEL_FILE);
if (access (confname, R_OK))
- snprintf (confname, len, "%s/.tzap/%s",
- homedir, CHANNEL_FILE);
+ snprintf(confname, len, "%s/.tzap/%s", homedir, CHANNEL_FILE);
}
printf("reading channels from file '%s'\n", confname);
-
memset(&frontend_param, 0, sizeof(struct dvb_frontend_parameters));
if (parse (confname, channel, &frontend_param, &vpid, &apid, &sid))
@@ -612,71 +605,62 @@ int main(int argc, char **argv)
goto just_the_frontend_dude;
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;
- }
+ 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 ((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 ((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;
- }
+ if ((video_fd = open(DEMUX_DEV, O_RDWR)) < 0) {
+ PERROR("failed opening '%s'", DEMUX_DEV);
+ return -1;
+ }
if (silent<2)
- fprintf (stderr,"video pid 0x%04x, audio pid 0x%04x\n", vpid, apid);
+ fprintf(stderr,"video pid 0x%04x, audio pid 0x%04x\n", vpid, apid);
- if (set_pesfilter (video_fd, vpid, DMX_PES_VIDEO, dvr) < 0)
+ if (set_pesfilter(video_fd, vpid, DMX_PES_VIDEO, dvr) < 0)
return -1;
if ((audio_fd = open(DEMUX_DEV, O_RDWR)) < 0) {
- PERROR("failed opening '%s'", DEMUX_DEV);
- return -1;
- }
+ PERROR("failed opening '%s'", DEMUX_DEV);
+ return -1;
+ }
- if (set_pesfilter (audio_fd, apid, DMX_PES_AUDIO, dvr) < 0)
+ if (set_pesfilter(audio_fd, apid, DMX_PES_AUDIO, dvr) < 0)
return -1;
signal(SIGALRM,do_timeout);
- if (timeout>0)
+ if (timeout > 0)
alarm(timeout);
-
- if (record)
- {
- if (filename!=NULL)
- {
- if (strcmp(filename,"-")!=0)
- {
- file_fd = open (filename,O_WRONLY|O_LARGEFILE|O_CREAT,0644);
- if (file_fd<0)
- {
+ if (record) {
+ if (filename!=NULL) {
+ if (strcmp(filename,"-")!=0) {
+ file_fd = open(filename,O_WRONLY|O_LARGEFILE|O_CREAT,0644);
+ if (file_fd<0) {
PERROR("open of '%s' failed",filename);
return -1;
}
- }
- else
- {
+ } else {
file_fd=1;
}
- }
- else
- {
+ } else {
PERROR("Record mode but no filename!");
return -1;
}
@@ -686,23 +670,21 @@ int main(int argc, char **argv)
return -1;
}
if (silent<2)
- print_frontend_stats (frontend_fd, human_readable);
+ print_frontend_stats(frontend_fd, human_readable);
copy_to_file(dvr_fd,file_fd);
if (silent<2)
- print_frontend_stats (frontend_fd, human_readable);
- }
- else {
+ print_frontend_stats(frontend_fd, human_readable);
+ } else {
just_the_frontend_dude:
- check_frontend (frontend_fd, human_readable);
+ check_frontend(frontend_fd, human_readable);
}
- close (pat_fd);
- close (pmt_fd);
- close (audio_fd);
- close (video_fd);
- close (frontend_fd);
-
+ close(pat_fd);
+ close(pmt_fd);
+ close(audio_fd);
+ close(video_fd);
+ close(frontend_fd);
return 0;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-21 13:27:52 +0000