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dddvb
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This commit is contained in:
drmocm 2023-09-16 14:52:32 +02:00
parent 9af63d41f7
commit bb1408a98a
1 changed files with 28 additions and 9 deletions
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37
apps/modtest.c
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@ -866,7 +866,7 @@ int mci_set_output(int fd, uint8_t connector, uint8_t nchannels, uint8_t unit,
break;
}
fprintf(stderr,"Setting DVBT Modulator output to %s, %d channels, power %f%s\n",
fprintf(stderr,"Setting DVB Modulator output to %s, %d channels, power %f%s\n",
con, nchannels, (double)power/100, un );
return mci_cmd(fd,&msg_output);
@ -1020,11 +1020,12 @@ void set_dvb_mods(int adapt, int chans, uint32_t start_freq,
char *device;
int fd;
wd->tp[i].tpid = i;
wd->tp[i].delsys = delsys;
wd->tp[i].freq = start_freq+8000000*i;
switch(delsys){
case SYS_DVBT:
wd->tp[i].tpid = 1; // all the same transport stream id
wd->tp[i].delsys = SYS_DVBT;
wd->tp[i].freq = start_freq+8000000*i;
wd->tp[i].qam = 2;
wd->tp[i].symbolrate = 0;
wd->tp[i].bandwidth = 0;
@ -1034,9 +1035,6 @@ void set_dvb_mods(int adapt, int chans, uint32_t start_freq,
break;
case SYS_DVBC_ANNEX_A:
wd->tp[i].tpid = i;
wd->tp[i].delsys = SYS_DVBC_ANNEX_A;
wd->tp[i].freq = start_freq+8000000*i;
wd->tp[i].qam = QAM_256;
wd->tp[i].symbolrate = 6900000;
wd->tp[i].bandwidth = 0;
@ -1045,7 +1043,6 @@ void set_dvb_mods(int adapt, int chans, uint32_t start_freq,
wd->tp[i].trans_mode = 0;
break;
}
device = malloc(sizeof(char)*40);
snprintf(device,35,"/dev/dvb/adapter%d/mod%d",adapt,i);
fd = open(device, O_RDWR);
@ -1055,8 +1052,30 @@ void set_dvb_mods(int adapt, int chans, uint32_t start_freq,
free(device);
exit(1);
}
int re= 0;
uint8_t stream_format = 4; //format is ransport stream
uint8_t fft_size = wd->tp[i].trans_mode;
switch(delsys){
case SYS_DVBC_ANNEX_A:
re = mci_set_stream( fd, i, i, MOD_STANDARD_DVBC_8,
stream_format, wd->tp[i].symbolrate,
wd->tp[i].qam, 0, 0, 0, 0, 0, 0);
break;
case SYS_DVBT:
re = mci_set_stream( fd, i, i, MOD_STANDARD_DVBT_8,
stream_format, 0,
0, 0, fft_size, wd->tp[i].guard,
wd->tp[i].code_rate, wd->tp[i].qam,
0);
break;
default:
re = -1;
}
mci_set_stream( fd, i, i, MOD_STANDARD_DVBT_8, 4, 0, 0, 0, 1, 0, 4, 2, 0);
close(fd);
free(device);
}