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vdr-plugin-satip
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vdr-plugin-satip/param.c

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/*
* param.c: SAT>IP plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#include <ctype.h>
#include <vdr/dvbdevice.h>
#include "common.h"
#include "param.h"
// --- cSatipParameterMaps ----------------------------------------------------
struct tSatipParameterMap {
int driverValue;
const char *satipString;
};
static const tSatipParameterMap SatipBandwidthValues[] = {
{ 5000000, "&bw=5" },
{ 6000000, "&bw=6" },
{ 7000000, "&bw=7" },
{ 8000000, "&bw=8" },
{ 10000000, "&bw=10" },
{ 1712000, "&bw=1.712" },
{ -1, NULL }
};
static const tSatipParameterMap SatipPilotValues[] = {
{ PILOT_OFF, "&plts=off" },
{ PILOT_ON, "&plts=on" },
{ PILOT_AUTO, "" },
{ -1, NULL }
};
static const tSatipParameterMap SatipSisoMisoValues[] = {
{ 0, "&sm=0" },
{ 1, "&sm=1" },
{ -1, NULL }
};
static const tSatipParameterMap SatipCodeRateValues[] = {
{ FEC_NONE, "" },
{ FEC_1_2, "&fec=12" },
{ FEC_2_3, "&fec=23" },
{ FEC_3_4, "&fec=34" },
{ FEC_3_5, "&fec=35" },
{ FEC_4_5, "&fec=45" },
{ FEC_5_6, "&fec=56" },
{ FEC_6_7, "&fec=67" },
{ FEC_7_8, "&fec=78" },
{ FEC_8_9, "&fec=89" },
{ FEC_9_10, "&fec=910" },
{ FEC_AUTO, "" },
{ -1, NULL }
};
static const tSatipParameterMap SatipModulationValues[] = {
{ QPSK, "&mtype=qpsk" },
{ PSK_8, "&mtype=8psk" },
{ APSK_16, "&mtype=16apsk" },
{ APSK_32, "&mtype=32apsk" },
{ VSB_8, "&mtype=8vsb" },
{ VSB_16, "&mtype=16vsb" },
{ QAM_16, "&mtype=16qam" },
{ QAM_64, "&mtype=64qam" },
{ QAM_128, "&mtype=128qam" },
{ QAM_256, "&mtype=256qam" },
{ QAM_AUTO, "" },
{ -1, NULL }
};
static const tSatipParameterMap SatipSystemValuesSat[] = {
{ 0, "&msys=dvbs" },
{ 1, "&msys=dvbs2" },
{ -1, NULL }
};
static const tSatipParameterMap SatipSystemValuesTerrestrial[] = {
{ 0, "&msys=dvbt" },
{ 1, "&msys=dvbt2" },
{ -1, NULL }
};
static const tSatipParameterMap SatipSystemValuesCable[] = {
{ 0, "&msys=dvbc" },
{ 1, "&msys=dvbc2" },
{ -1, NULL }
};
static const tSatipParameterMap SatipSystemValuesAtsc[] = {
{ 0, "&msys=atsc" },
{ -1, NULL }
};
static const tSatipParameterMap SatipTransmissionValues[] = {
{ TRANSMISSION_MODE_1K, "&tmode=1k" },
{ TRANSMISSION_MODE_2K, "&tmode=2k" },
{ TRANSMISSION_MODE_4K, "&tmode=4k" },
{ TRANSMISSION_MODE_8K, "&tmode=8k" },
{ TRANSMISSION_MODE_16K, "&tmode=16k" },
{ TRANSMISSION_MODE_32K, "&tmode=32k" },
{ TRANSMISSION_MODE_AUTO, "" },
{ -1, NULL }
};
static const tSatipParameterMap SatipGuardValues[] = {
{ GUARD_INTERVAL_1_4, "&gi=14" },
{ GUARD_INTERVAL_1_8, "&gi=18" },
{ GUARD_INTERVAL_1_16, "&gi=116" },
{ GUARD_INTERVAL_1_32, "&gi=132" },
{ GUARD_INTERVAL_1_128, "&gi=1128" },
{ GUARD_INTERVAL_19_128, "&gi=19128" },
{ GUARD_INTERVAL_19_256, "&gi=19256" },
{ GUARD_INTERVAL_AUTO, "" },
{ -1, NULL }
};
static const tSatipParameterMap SatipRollOffValues[] = {
{ ROLLOFF_AUTO, "" },
{ ROLLOFF_20, "&ro=0.20" },
{ ROLLOFF_25, "&ro=0.25" },
{ ROLLOFF_35, "&ro=0.35" },
{ -1, NULL }
};
static const tSatipParameterMap SatipInversionValues[] = {
{ INVERSION_AUTO, "" },
{ INVERSION_OFF, "&specinv=0" },
{ INVERSION_ON, "&specinv=1" },
{ -1, NULL }
};
static int SatipUserIndex(int valueP, const tSatipParameterMap *mapP)
{
const tSatipParameterMap *map = mapP;
while (map && map->driverValue != -1) {
if (map->driverValue == valueP)
return map - mapP;
map++;
}
return -1;
}
static int PrintUrlString(char *bufP, int lenP, int valueP, const tSatipParameterMap *mapP)
{
int n = SatipUserIndex(valueP, mapP);
return ((n >= 0) && (lenP > 0)) ? snprintf(bufP, lenP, "%s", mapP[n].satipString) : 0;
}
cString GetTransponderUrlParameters(const cChannel *channelP)
{
if (channelP) {
char buffer[255];
cDvbTransponderParameters dtp(channelP->Parameters());
int DataSlice = 0;
int C2TuningFrequencyType = 0;
float freq = channelP->Frequency();
char type = cSource::ToChar(channelP->Source());
cSource *source = Sources.Get(channelP->Source());
int src = (strchr("S", type) && source) ? atoi(source->Description()) : 1;
char *q = buffer;
*q = 0;
// Scale down frequencies to MHz
while (freq > 20000L)
freq /= 1000L;
#define ST(s) if (strchr(s, type) && (strchr(s, '0' + dtp.System() + 1) || strchr(s, '*')))
#define STBUFLEFT (sizeof(buffer) - (q - buffer))
ST(" S 1") { // to comply with SAT>IP protocol specification 1.2.2
dtp.SetPilot(PILOT_OFF);
dtp.SetModulation(QPSK);
dtp.SetRollOff(ROLLOFF_35);
}
if ((channelP->Rid() % 100) > 0)
q += snprintf(q, STBUFLEFT, "&fe=%d", channelP->Rid() % 100);
ST(" S *") q += snprintf(q, STBUFLEFT, "&src=%d", ((src > 0) && (src <= 255)) ? src : 1);
if (freq >= 0L)
q += snprintf(q, STBUFLEFT, "&freq=%s", *dtoa(freq, "%lg"));
ST(" S *") q += snprintf(q, STBUFLEFT, "&pol=%c", tolower(dtp.Polarization()));
ST(" S *") q += PrintUrlString(q, STBUFLEFT, dtp.RollOff(), SatipRollOffValues);
ST(" C 2") q += snprintf(q, STBUFLEFT, "&c2tft=%d", C2TuningFrequencyType);
ST(" T*") q += PrintUrlString(q, STBUFLEFT, dtp.Bandwidth(), SatipBandwidthValues);
ST(" C 2") q += PrintUrlString(q, STBUFLEFT, dtp.Bandwidth(), SatipBandwidthValues);
ST(" S *") q += PrintUrlString(q, STBUFLEFT, dtp.System(), SatipSystemValuesSat);
ST(" C *") q += PrintUrlString(q, STBUFLEFT, dtp.System(), SatipSystemValuesCable);
ST(" T*") q += PrintUrlString(q, STBUFLEFT, dtp.System(), SatipSystemValuesTerrestrial);
ST("A *") q += PrintUrlString(q, STBUFLEFT, dtp.System(), SatipSystemValuesAtsc);
ST(" T*") q += PrintUrlString(q, STBUFLEFT, dtp.Transmission(), SatipTransmissionValues);
ST(" S *") q += PrintUrlString(q, STBUFLEFT, dtp.Modulation(), SatipModulationValues);
ST(" T*") q += PrintUrlString(q, STBUFLEFT, dtp.Modulation(), SatipModulationValues);
ST(" C 1") q += PrintUrlString(q, STBUFLEFT, dtp.Modulation(), SatipModulationValues);
ST("A *") q += PrintUrlString(q, STBUFLEFT, dtp.Modulation(), SatipModulationValues);
ST(" S *") q += PrintUrlString(q, STBUFLEFT, dtp.Pilot(), SatipPilotValues);
ST(" S *") q += snprintf(q, STBUFLEFT, "&sr=%d", channelP->Srate());
ST(" C 1") q += snprintf(q, STBUFLEFT, "&sr=%d", channelP->Srate());
ST(" T*") q += PrintUrlString(q, STBUFLEFT, dtp.Guard(), SatipGuardValues);
ST(" CST*") q += PrintUrlString(q, STBUFLEFT, dtp.CoderateH(), SatipCodeRateValues);
ST(" C 2") q += snprintf(q, STBUFLEFT, "&ds=%d", DataSlice);
ST(" C T2") q += snprintf(q, STBUFLEFT, "&plp=%d", dtp.StreamId());
ST(" T2") q += snprintf(q, STBUFLEFT, "&t2id=%d", dtp.T2SystemId());
ST(" T2") q += PrintUrlString(q, STBUFLEFT, dtp.SisoMiso(), SatipSisoMisoValues);
ST(" C 1") q += PrintUrlString(q, STBUFLEFT, dtp.Inversion(), SatipInversionValues);
ST("A *") q += PrintUrlString(q, STBUFLEFT, dtp.Inversion(), SatipInversionValues);
#undef ST
return &buffer[1];
}
return NULL;
}
cString GetTnrUrlParameters(const cChannel *channelP)
{
if (channelP) {
cDvbTransponderParameters dtp(channelP->Parameters());
eTrackType track = cDevice::PrimaryDevice()->GetCurrentAudioTrack();
// TunerType: Byte;
// 0 = cable, 1 = satellite, 2 = terrestrial, 3 = atsc, 4 = iptv, 5 = stream (URL, DVBViewer GE)
int TunerType = 0;
if (channelP->IsCable())
TunerType = 0;
else if (channelP->IsSat())
TunerType = 1;
else if (channelP->IsTerr())
TunerType = 2;
else if (channelP->IsAtsc())
TunerType = 3;
// Frequency: DWord;
// DVB-S: MHz if < 1000000, kHz if >= 1000000
// DVB-T/C, ATSC: kHz
// IPTV: IP address Byte3.Byte2.Byte1.Byte0
int Frequency = channelP->Frequency() / 1000;
// Symbolrate: DWord;
// DVB S/C: in kSym/s
// DVB-T, ATSC: 0
// IPTV: Port
int Symbolrate = (channelP->IsSat() || channelP->IsCable()) ? channelP->Srate() : 0;
// LNB_LOF: Word;
// DVB-S: Local oscillator frequency of the LNB
// DVB-T/C, ATSC: 0
// IPTV: Byte0 and Byte1 of Source IP
int LNB_LOF = channelP->IsSat() ? Setup.LnbSLOF : 0;
// Tone: Byte;
// 0 = off, 1 = 22 khz
int Tone = (channelP->Frequency() < Setup.LnbSLOF) ? 0 : 1;
// Polarity: Byte;
// DVB-S polarity: 0 = horizontal, 1 = vertical, 2 = circular left, 3 = circular right
// DVB-C modulation: 0 = Auto, 1 = 16QAM, 2 = 32QAM, 3 = 64QAM, 4 = 128QAM, 5 = 256 QAM
// DVB-T bandwidth: 0 = 6 MHz, 1 = 7 MHz, 2 = 8 MHz
// IPTV: Byte3 of SourceIP
int Polarity = 0;
if (channelP->IsSat()) {
switch (tolower(dtp.Polarization())) {
case 'h':
Polarity = 0;
break;
case 'v':
Polarity = 1;
break;
case 'l':
Polarity = 2;
break;
case 'r':
Polarity = 3;
break;
default:
break;
}
}
else if (channelP->IsCable()) {
switch (dtp.Modulation()) {
case 999:
Polarity = 0;
break;
case 16:
Polarity = 1;
break;
case 32:
Polarity = 2;
break;
case 64:
Polarity = 3;
break;
case 128:
Polarity = 4;
break;
case 256:
Polarity = 5;
break;
default:
break;
}
}
else if (channelP->IsTerr()) {
switch (dtp.Bandwidth()) {
case 6:
Polarity = 0;
break;
case 7:
Polarity = 1;
break;
case 8:
Polarity = 2;
break;
default:
break;
}
}
// DiSEqC: Byte;
// 0 = None
// 1 = Pos A (mostly translated to PosA/OptA)
// 2 = Pos B (mostly translated to PosB/OptA)
// 3 = PosA/OptA
// 4 = PosB/OptA
// 5 = PosA/OptB
// 6 = PosB/OptB
// 7 = Preset Position (DiSEqC 1.2, see DiSEqCExt)
// 8 = Angular Position (DiSEqC 1.2, see DiSEqCExt)
// 9 = DiSEqC Command Sequence (see DiSEqCExt)
int DiSEqC = 0;
// FEC: Byte;
// 0 = Auto
// 1 = 1/2
// 2 = 2/3
// 3 = 3/4
// 4 = 5/6
// 5 = 7/8
// 6 = 8/9
// 7 = 3/5
// 8 = 4/5
// 9 = 9/10
// IPTV: Byte2 of SourceIP
// DVB C/T, ATSC: 0
int FEC = 0;
if (channelP->IsSat()) {
switch (dtp.CoderateH()) {
case 999:
FEC = 0;
break;
case 12:
FEC = 1;
break;
case 23:
FEC = 2;
break;
case 34:
FEC = 3;
break;
case 56:
FEC = 4;
break;
case 78:
FEC = 5;
break;
case 89:
FEC = 6;
break;
case 35:
FEC = 7;
break;
case 45:
FEC = 8;
break;
case 910:
FEC = 9;
break;
default:
break;
}
}
// Audio_PID: Word;
int Audio_PID = channelP->Apid(0);
if (IS_AUDIO_TRACK(track))
Audio_PID = channelP->Apid(int(track - ttAudioFirst));
else if (IS_DOLBY_TRACK(track))
Audio_PID = channelP->Dpid(int(track - ttDolbyFirst));
// Video_PID: Word;
int Video_PID = channelP->Vpid();
// PMT_PID: Word;
int PMT_PID = channelP->Ppid();
// Service_ID: Word;
int Service_ID = channelP->Sid();
// SatModulation: Byte;
// Bit 0..1: satellite modulation. 0 = Auto, 1 = QPSK, 2 = 8PSK, 3 = 16QAM or APSK for DVB-S2
// Bit 2: modulation system. 0 = DVB-S/T/C, 1 = DVB-S2/T2/C2
// Bit 3..4: DVB-S2: roll-off. 0 = 0.35, 1 = 0.25, 2 = 0.20, 3 = reserved
// Bit 5..6: spectral inversion, 0 = undefined, 1 = auto, 2 = normal, 3 = inverted
// Bit 7: DVB-S2: pilot symbols, 0 = off, 1 = on
// DVB-T2: DVB-T2 Lite, 0 = off, 1 = on
int SatModulation = 0;
if (channelP->IsSat() && dtp.System()) {
switch (dtp.Modulation()) {
case 999:
SatModulation |= (0 & 0x3) << 0;
break;
case 2:
SatModulation |= (1 & 0x3) << 0;
break;
case 5:
SatModulation |= (2 & 0x3) << 0;
break;
case 6:
SatModulation |= (3 & 0x3) << 0;
break;
default:
break;
}
}
SatModulation |= (dtp.System() & 0x1) << 2;
if (channelP->IsSat() && dtp.System()) {
switch (dtp.RollOff()) {
case 35:
SatModulation |= (0 & 0x3) << 3;
break;
case 25:
SatModulation |= (1 & 0x3) << 3;
break;
case 20:
SatModulation |= (2 & 0x3) << 3;
break;
default:
break;
}
}
switch (dtp.Inversion()) {
case 999:
SatModulation |= (1 & 0x3) << 5;
break;
case 0:
SatModulation |= (2 & 0x3) << 5;
break;
case 1:
SatModulation |= (3 & 0x3) << 5;
break;
default:
break;
}
if (channelP->IsSat() && dtp.System()) {
switch (dtp.Pilot()) {
case 0:
SatModulation |= (0 & 0x1) << 7;
break;
case 1:
SatModulation |= (1 & 0x1) << 7;
break;
default:
break;
}
}
// DiSEqCExt: Word;
// DiSEqC Extension, meaning depends on DiSEqC
// DiSEqC = 0..6: 0
// DiSEqC = 7: Preset Position (DiSEqC 1.2)
// DiSEqC = 8: Orbital Position (DiSEqC 1.2, USALS, for calculating motor angle)
// Same format as OrbitalPos above
// DiSEQC = 9: Orbital Position referencing DiSEqC sequence defined in DiSEqC.xml/ini
// Same format as OrbitalPos above
int DiSEqCExt = 0;
// Flags: Byte;
// Bit 0: 1 = encrypted channel
// Bit 1: reserved, set to 0
// Bit 2: 1 = channel broadcasts RDS data
// Bit 3: 1 = channel is a video service (even if the Video PID is temporarily = 0)
// Bit 4: 1 = channel is an audio service (even if the Audio PID is temporarily = 0)
// Bit 5: 1 = audio has a different samplerate than 48 KHz
// Bit 6: 1 = bandstacking, internally polarisation is always set to H
// Bit 7: 1 = channel entry is an additional audio track of the preceding
// channel with bit 7 = 0
int Flags = (channelP->Ca() > 0xFF) ? 1 : 0;
// ChannelGroup: Byte;
// 0 = Group A, 1 = Group B, 2 = Group C etc.
int ChannelGroup = 0;
// TransportStream_ID: Word;
int TransportStream_ID = channelP->Tid();
// OriginalNetwork_ID: Word;
int OriginalNetwork_ID = channelP->Nid();
// Substream: Word;
// DVB-S/C/T, ATSC, IPTV: 0
// DVB-T2: 0 = PLP_ID not set, 1..256: PLP_ID + 1, 257... reserved
int Substream = (channelP->IsTerr() && dtp.System()) ? dtp.StreamId() - 1 : 0;
// OrbitalPos: Word;
// DVB-S: orbital position x 10, 0 = undefined, 1..1800 east, 1801..3599 west (1°W = 3599)
// DVB-C: 4000..4999
// DVB-T: 5000..5999
// ATSC: 6000..6999
// IPTV: 7000..7999
// Stream: 8000..8999
int OrbitalPos = 0;
if (channelP->IsSat()) {
OrbitalPos = cSource::Position(channelP->Source());
if (OrbitalPos != 3600)
OrbitalPos += 1800;
}
return cString::sprintf("%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d,%d",
TunerType, Frequency, Symbolrate, LNB_LOF, Tone, Polarity, DiSEqC, FEC, Audio_PID, Video_PID, PMT_PID, Service_ID,
SatModulation, DiSEqCExt, Flags, ChannelGroup, TransportStream_ID, OriginalNetwork_ID, Substream, OrbitalPos);
}
return NULL;
}
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