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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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71
apps/modconfig.c
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@ -83,20 +83,26 @@ struct param_table_entry {
}; };
struct param_table_entry mod_standard_table[] = { 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 = "0", .value = MOD_STANDARD_GENERIC },
{ .name = "GENERIC", .value = MOD_STANDARD_GENERIC },
{ .name = "1", .value = MOD_STANDARD_DVBT_8 }, { .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 = "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 = "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 = "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 } { .name = NULL, .value = 0 }
}; };
@ -153,6 +159,20 @@ struct param_table_entry dvbt_constellation_table[] = {
{ .name = NULL, .value = 0 } { .name = NULL, .value = 0 }
}; };
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) { int parse_param(char *val, struct param_table_entry *table, int *value) {
if (value) { if (value) {
*value = 0; *value = 0;
@ -166,6 +186,7 @@ int parse_param(char *val,struct param_table_entry *table, int *value) {
} }
} }
} }
printf("unknown value %s\n", val);
return -1; return -1;
} }
@ -213,9 +234,13 @@ struct mci_command msg_stream = {
.mod_channel = 1, .mod_channel = 1,
.mod_stream = 0, .mod_stream = 0,
.mod_setup_stream = { .mod_setup_stream = {
.standard = MOD_STANDARD_DVBT_8, .standard = MOD_STANDARD_DVBC_8,
#if 0
.ofdm = {
.fft_size = 1, .fft_size = 1,
.guard_interval = 0, .guard_interval = 0,
}
#endif
}, },
}; };
@ -299,18 +324,23 @@ void streams_cb(void *priv, char *par, char *val)
return; return;
} }
if (!strcasecmp(par, "fft_size")) { 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")) { } else if (!strcasecmp(par, "guard_interval")) {
if (!parse_param(val, guard_interval_table, &value)) if (!parse_param(val, guard_interval_table, &value))
mc->stream.mod_setup_stream.guard_interval = value; mc->stream.mod_setup_stream.ofdm.guard_interval = value;
} else if (!strcasecmp(par, "puncture_rate")) { } else if (!strcasecmp(par, "puncture_rate")) {
if (!parse_param(val, puncture_rate_table, &value)) if (!parse_param(val, puncture_rate_table, &value))
mc->stream.mod_setup_stream.puncture_rate = value; mc->stream.mod_setup_stream.ofdm.puncture_rate = value;
} else if (!strcasecmp(par, "constellation")) { } else if (!strcasecmp(par, "constellation")) {
if (!parse_param(val,dvbt_constellation_table,&value)) 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")) { } 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")) { } else if (!strcasecmp(par, "standard")) {
if (!parse_param(val,mod_standard_table,&value)) if (!parse_param(val,mod_standard_table,&value))
mc->stream.mod_setup_stream.standard = value; mc->stream.mod_setup_stream.standard = value;
@ -375,7 +405,8 @@ int main(int argc, char*argv[])
printf("too many arguments\n"); printf("too many arguments\n");
exit(1); 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); fd = open(fn, O_RDWR);
if (fd < 0) { if (fd < 0) {
dprintf(2, "Could not open %s\n", fn); dprintf(2, "Could not open %s\n", fn);
@ -383,10 +414,14 @@ int main(int argc, char*argv[])
} }
mc.fd = fd; mc.fd = fd;
parse(configname, "channels", (void *) &mc, channels_cb); parse(configname, "channels", (void *) &mc, channels_cb);
if (mc.set_channels) if (mc.set_channels) {
printf("setting channels.\n");
mci_cmd(fd, &mc.channels); mci_cmd(fd, &mc.channels);
}
parse(configname, "streams", (void *) &mc, streams_cb); parse(configname, "streams", (void *) &mc, streams_cb);
parse(configname, "output", (void *) &mc, output_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); mci_cmd(fd, &mc.output);
} }
}