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author | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 |
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committer | etobi <git@e-tobi.net> | 2013-09-03 09:48:41 +0200 |
commit | ab959d7b4194715870128e616b8e29d4a101e488 (patch) | |
tree | 61a746231d30817be73416a7d67763fd677a1042 /util/szap/czap.c | |
parent | 6b350466c4902c5b137e0efaf1d189128a7f18f5 (diff) | |
download | linux-dvb-apps-ab959d7b4194715870128e616b8e29d4a101e488.tar.gz |
Imported Upstream version 1.1.1+rev1207upstream/1.1.1+rev1207
Diffstat (limited to '')
-rw-r--r-- | util/szap/czap.c | 147 |
1 files changed, 85 insertions, 62 deletions
diff --git a/util/szap/czap.c b/util/szap/czap.c index 9d183f9..469df56 100644 --- a/util/szap/czap.c +++ b/util/szap/czap.c @@ -16,8 +16,9 @@ static char FRONTEND_DEV [80]; static char DEMUX_DEV [80]; +static int exit_after_tuning; -#define CHANNEL_FILE "/.czap/channels.conf" +#define CHANNEL_FILE "channels.conf" #define ERROR(x...) \ do { \ @@ -71,14 +72,17 @@ static const Param modulation_list[] = { static -int parse_param(const char *val, const Param * plist, int list_size) +int parse_param(const char *val, const Param * plist, int list_size, int *ok) { int i; for (i = 0; i < list_size; i++) { - if (strcasecmp(plist[i].name, val) == 0) + if (strcasecmp(plist[i].name, val) == 0) { + *ok = 1; return plist[i].value; + } } + *ok = 0; return -1; } @@ -119,6 +123,7 @@ int parse(const char *fname, int list_channels, int chan_no, const char *channel FILE *f; char *chan; char *name, *inv, *fec, *mod; + int ok; if ((f = fopen(fname, "r")) == NULL) { PERROR("could not open file '%s'", fname); @@ -144,19 +149,19 @@ int parse(const char *fname, int list_channels, int chan_no, const char *channel ERROR("cannot parse service data"); return -3; } - frontend->inversion = parse_param(inv, inversion_list, LIST_SIZE(inversion_list)); - if (frontend->inversion < 0) { + frontend->inversion = parse_param(inv, inversion_list, LIST_SIZE(inversion_list), &ok); + if (!ok) { ERROR("inversion field syntax '%s'", inv); return -4; } - frontend->u.qam.fec_inner = parse_param(fec, fec_list, LIST_SIZE(fec_list)); - if (frontend->u.qam.fec_inner < 0) { + frontend->u.qam.fec_inner = parse_param(fec, fec_list, LIST_SIZE(fec_list), &ok); + if (!ok) { ERROR("FEC field syntax '%s'", fec); return -5; } frontend->u.qam.modulation = parse_param(mod, modulation_list, - LIST_SIZE(modulation_list)); - if (frontend->u.qam.modulation < 0) { + LIST_SIZE(modulation_list), &ok); + if (!ok) { ERROR("modulation field syntax '%s'", mod); return -6; } @@ -223,7 +228,7 @@ int setup_frontend(int fe_fd, struct dvb_frontend_parameters *frontend) static -int check_frontend (int fe_fd) +int check_frontend (int fe_fd, int human_readable) { fe_status_t status; uint16_t snr, signal; @@ -236,9 +241,13 @@ int check_frontend (int fe_fd) ioctl(fe_fd, FE_READ_BER, &ber); ioctl(fe_fd, FE_READ_UNCORRECTED_BLOCKS, &uncorrected_blocks); - printf ("status %02x | signal %04x | snr %04x | " - "ber %08x | unc %08x | ", - status, signal, snr, ber, uncorrected_blocks); + if (human_readable) { + printf ("status %02x | signal %3u%% | snr %3u%% | ber %d | unc %d | ", + status, (signal * 100) / 0xffff, (snr * 100) / 0xffff, ber, uncorrected_blocks); + } else { + printf ("status %02x | signal %04x | snr %04x | ber %08x | unc %08x | ", + status, signal, snr, ber, uncorrected_blocks); + } if (status & FE_HAS_LOCK) printf("FE_HAS_LOCK"); @@ -246,13 +255,16 @@ int check_frontend (int fe_fd) usleep(1000000); printf("\n"); + + if (exit_after_tuning && (status & FE_HAS_LOCK)) + break; } while (1); return 0; } -static const char *usage = "\nusage: %s [-a adapter_num] [-f frontend_id] [-d demux_id] [-c conf_file] {<channel name>| -n channel_num}\n" +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"; @@ -266,66 +278,78 @@ int main(int argc, char **argv) int vpid, apid; int frontend_fd, video_fd, audio_fd; int opt, list_channels = 0, chan_no = 0; + int human_readable = 0; + + while ((opt = getopt(argc, argv, "Hln:hrn:a:f:d:c:x")) != -1) { + switch (opt) { + case 'a': + adapter = strtoul(optarg, NULL, 0); + break; + case 'f': + frontend = strtoul(optarg, NULL, 0); + break; + case 'd': + demux = strtoul(optarg, NULL, 0); + break; + case 'r': + dvr = 1; + break; + case 'l': + list_channels = 1; + break; + case 'n': + chan_no = strtoul(optarg, NULL, 0); + break; + case 'x': + exit_after_tuning = 1; + break; + case 'H': + human_readable = 1; + break; + case 'c': + confname = optarg; + break; + case '?': + case 'h': + default: + fprintf (stderr, usage, argv[0], argv[0]); + return -1; + }; + } - while ((opt = getopt(argc, argv, "ln:hrn:a:f:d:c:")) != -1) { - switch (opt) { - case 'a': - adapter = strtoul(optarg, NULL, 0); - break; - case 'f': - frontend = strtoul(optarg, NULL, 0); - break; - case 'd': - demux = strtoul(optarg, NULL, 0); - break; - case 'r': - dvr = 1; - break; - case 'l': - list_channels = 1; - break; - case 'n': - chan_no = strtoul(optarg, NULL, 0); - break; - case 'c': - confname = optarg; - break; - case '?': - case 'h': - default: - fprintf (stderr, usage, argv[0], argv[0]); - return -1; - }; - } - - if (optind < argc) - channel = argv[optind]; - - if (!channel && chan_no <= 0 && !list_channels) { - fprintf (stderr, usage, argv[0], argv[0]); - return -1; - } + if (optind < argc) + channel = argv[optind]; + + if (!channel && chan_no <= 0 && !list_channels) { + fprintf (stderr, usage, argv[0], argv[0]); + return -1; + } if (!homedir) ERROR("$HOME not set"); - snprintf (FRONTEND_DEV, sizeof(FRONTEND_DEV), - "/dev/dvb/adapter%i/frontend%i", adapter, frontend); + snprintf (FRONTEND_DEV, sizeof(FRONTEND_DEV), + "/dev/dvb/adapter%i/frontend%i", adapter, frontend); - snprintf (DEMUX_DEV, sizeof(DEMUX_DEV), - "/dev/dvb/adapter%i/demux%i", adapter, demux); + snprintf (DEMUX_DEV, sizeof(DEMUX_DEV), + "/dev/dvb/adapter%i/demux%i", adapter, demux); printf ("using '%s' and '%s'\n", FRONTEND_DEV, DEMUX_DEV); if (!confname) { + int len = strlen(homedir) + strlen(CHANNEL_FILE) + 18; if (!homedir) ERROR("$HOME not set"); - confname = malloc(strlen(homedir) + strlen(CHANNEL_FILE) + 1); - memcpy(confname, homedir, strlen(homedir)); - memcpy(confname + strlen(homedir), CHANNEL_FILE, - strlen(CHANNEL_FILE) + 1); + confname = malloc(len); + snprintf(confname, len, "%s/.czap/%i/%s", + homedir, adapter, CHANNEL_FILE); + if (access(confname, R_OK)) + snprintf(confname, len, "%s/.czap/%s", + homedir, CHANNEL_FILE); } + printf("reading channels from file '%s'\n", confname); + memset(&frontend_param, 0, sizeof(struct dvb_frontend_parameters)); if (parse(confname, list_channels, chan_no, channel, &frontend_param, &vpid, &apid)) @@ -357,7 +381,7 @@ int main(int argc, char **argv) if (set_pesfilter (audio_fd, apid, DMX_PES_AUDIO, dvr) < 0) return -1; - check_frontend (frontend_fd); + check_frontend (frontend_fd, human_readable); close (audio_fd); close (video_fd); @@ -365,4 +389,3 @@ int main(int argc, char **argv) return 0; } - |