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Code Issues Releases Wiki Activity

add support for DVBC

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This commit is contained in:
rjkm 2022-02-12 16:40:27 +01:00
parent c2f86b6438
commit c39b234fd6
1 changed files with 62 additions and 27 deletions
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77
apps/modconfig.c
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@ -83,20 +83,26 @@ struct param_table_entry {
};
struct param_table_entry mod_standard_table[] = {
{ .name = "GENERIC", .value = MOD_STANDARD_GENERIC },
{ .name = "DVBT_8", .value = MOD_STANDARD_DVBT_8 },
{ .name = "DVBT_7", .value = MOD_STANDARD_DVBT_7 },
{ .name = "DVBT_6", .value = MOD_STANDARD_DVBT_6 },
{ .name = "DVBT_5", .value = MOD_STANDARD_DVBT_5 },
{ .name = "DVBT2_8", .value = MOD_STANDARD_DVBT_8 },
{ .name = "DVBT2_7", .value = MOD_STANDARD_DVBT_7 },
{ .name = "DVBT2_6", .value = MOD_STANDARD_DVBT_6 },
{ .name = "DVBT2_5", .value = MOD_STANDARD_DVBT_5 },
{ .name = "0", .value = MOD_STANDARD_GENERIC },
{ .name = "GENERIC", .value = MOD_STANDARD_GENERIC },
{ .name = "1", .value = MOD_STANDARD_DVBT_8 },
{ .name = "DVBT_8", .value = MOD_STANDARD_DVBT_8 },
{ .name = "DVBT2_8", .value = MOD_STANDARD_DVBT_8 },
{ .name = "2", .value = MOD_STANDARD_DVBT_7 },
{ .name = "DVBT_7", .value = MOD_STANDARD_DVBT_7 },
{ .name = "DVBT2_7", .value = MOD_STANDARD_DVBT_7 },
{ .name = "3", .value = MOD_STANDARD_DVBT_6 },
{ .name = "DVBT_6", .value = MOD_STANDARD_DVBT_6 },
{ .name = "DVBT2_6", .value = MOD_STANDARD_DVBT_6 },
{ .name = "4", .value = MOD_STANDARD_DVBT_5 },
{ .name = "DVBT_5", .value = MOD_STANDARD_DVBT_5 },
{ .name = "DVBT2_5", .value = MOD_STANDARD_DVBT_5 },
{ .name = "8", .value = MOD_STANDARD_DVBC_8 },
{ .name = "DVBC_8", .value = MOD_STANDARD_DVBC_8 },
{ .name = "9", .value = MOD_STANDARD_DVBC_7 },
{ .name = "DVBC_7", .value = MOD_STANDARD_DVBC_7 },
{ .name = "10", .value = MOD_STANDARD_DVBC_6 },
{ .name = "DVBC_6", .value = MOD_STANDARD_DVBC_6 },
{ .name = NULL, .value = 0 }
};
@ -153,7 +159,21 @@ struct param_table_entry dvbt_constellation_table[] = {
{ .name = NULL, .value = 0 }
};
int parse_param(char *val,struct param_table_entry *table, int *value) {
struct param_table_entry qam_modulation_table[] = {
{ .name = "0", .value = MOD_QAM_DVBC_16 },
{ .name = "qam_dvbc_16", .value = MOD_QAM_DVBC_16 },
{ .name = "1", .value = MOD_QAM_DVBC_32 },
{ .name = "qam_dvbc_32", .value = MOD_QAM_DVBC_32 },
{ .name = "2", .value = MOD_QAM_DVBC_64 },
{ .name = "qam_dvbc_64", .value = MOD_QAM_DVBC_64 },
{ .name = "3", .value = MOD_QAM_DVBC_128 },
{ .name = "qam_dvbc_128", .value = MOD_QAM_DVBC_128 },
{ .name = "4", .value = MOD_QAM_DVBC_256 },
{ .name = "qam_dvbc_256", .value = MOD_QAM_DVBC_256 },
{ .name = NULL, .value = 0 }
};
int parse_param(char *val, struct param_table_entry *table, int *value) {
if (value) {
*value = 0;
if (table) {
@ -166,6 +186,7 @@ int parse_param(char *val,struct param_table_entry *table, int *value) {
}
}
}
printf("unknown value %s\n", val);
return -1;
}
@ -213,9 +234,13 @@ struct mci_command msg_stream = {
.mod_channel = 1,
.mod_stream = 0,
.mod_setup_stream = {
.standard = MOD_STANDARD_DVBT_8,
.standard = MOD_STANDARD_DVBC_8,
#if 0
.ofdm = {
.fft_size = 1,
.guard_interval = 0,
}
#endif
},
};
@ -299,18 +324,23 @@ void streams_cb(void *priv, char *par, char *val)
return;
}
if (!strcasecmp(par, "fft_size")) {
mc->stream.mod_setup_stream.fft_size = strtol(val, NULL, 10);
mc->stream.mod_setup_stream.ofdm.fft_size = strtol(val, NULL, 10);
} else if (!strcasecmp(par, "guard_interval")) {
if (!parse_param(val,guard_interval_table,&value))
mc->stream.mod_setup_stream.guard_interval = value;
if (!parse_param(val, guard_interval_table, &value))
mc->stream.mod_setup_stream.ofdm.guard_interval = value;
} else if (!strcasecmp(par, "puncture_rate")) {
if (!parse_param(val,puncture_rate_table,&value))
mc->stream.mod_setup_stream.puncture_rate = value;
if (!parse_param(val, puncture_rate_table, &value))
mc->stream.mod_setup_stream.ofdm.puncture_rate = value;
} else if (!strcasecmp(par, "constellation")) {
if (!parse_param(val,dvbt_constellation_table,&value))
mc->stream.mod_setup_stream.constellation = value;
mc->stream.mod_setup_stream.ofdm.constellation = value;
} else if (!strcasecmp(par, "cell_identifier")) {
mc->stream.mod_setup_stream.cell_identifier = strtol(val, NULL, 0);
mc->stream.mod_setup_stream.ofdm.cell_identifier = strtol(val, NULL, 0);
} else if (!strcasecmp(par, "modulation")) {
if (!parse_param(val, qam_modulation_table, &value))
mc->stream.mod_setup_stream.qam.modulation = value;
} else if (!strcasecmp(par, "rolloff")) {
mc->stream.mod_setup_stream.qam.rolloff = strtol(val, NULL, 0);
} else if (!strcasecmp(par, "standard")) {
if (!parse_param(val,mod_standard_table,&value))
mc->stream.mod_setup_stream.standard = value;
@ -375,7 +405,8 @@ int main(int argc, char*argv[])
printf("too many arguments\n");
exit(1);
}
snprintf(fn, 127, "/dev/ddbridge/card%u", device);
//snprintf(fn, 127, "/dev/ddbridge/card%u", device);
snprintf(fn, 127, "/dev/dvb/adapter%u/mod0", device);
fd = open(fn, O_RDWR);
if (fd < 0) {
dprintf(2, "Could not open %s\n", fn);
@ -383,10 +414,14 @@ int main(int argc, char*argv[])
}
mc.fd = fd;
parse(configname, "channels", (void *) &mc, channels_cb);
if (mc.set_channels)
if (mc.set_channels) {
printf("setting channels.\n");
mci_cmd(fd, &mc.channels);
}
parse(configname, "streams", (void *) &mc, streams_cb);
parse(configname, "output", (void *) &mc, output_cb);
if (mc.set_output)
if (mc.set_output) {
printf("setting output.\n");
mci_cmd(fd, &mc.output);
}
}