vdr/channels.c
Klaus Schmidinger 3fc2965975 Version 1.3.4
- Fixed handling language codes in case there is no audio or Dolby PID.
- Fixed handling CA ids (was broken in 1.3.3).
- Fixed the SVDRP command 'STAT DISK' to avoid a 'division by 0' in case the
  disk is full (thanks to Jens Rosenboom).
- Fixed handling bitmap indexes for 256 color mode (thanks to Andreas Regel).
- Now handling "linked services" (based on the 'autopid' patch from Andreas
  Schultz). Linked channels are detected and added to 'channels.conf', but
  currently they are not yet presented to the user other than being in the
  normal channel list (this will come later).
- Preliminary fix for the "Unknown picture type error" (thanks to Sascha
  Volkenandt for his support in debugging this one). This may slow down switching
  between channels on different transponders for now, but a better solution will
  come later.
- Fixed the validity check for channel IDs, because some providers use TIDs with
  value 0 (thanks to Thomas Bergwinkl).
- Enabled switching to a channel even if it has no Vpid or Apid set, because these
  might be automatically set when tuned to that transponder.
- No longer closing the Channels menu after trying to switch to a channel that
  is currently not available.
- Removed the now obsolete CaCaps stuff. The Setup/CICAM menu now displays the
  actual CAM type as reported by the CAM. The 'ca.conf' file has been stripped
  down to the values 0..4.
2004-02-08 18:00:00 +01:00

863 lines
26 KiB
C

/*
* channels.c: Channel handling
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: channels.c 1.23 2004/02/08 11:05:22 kls Exp $
*/
#include "channels.h"
#include <linux/dvb/frontend.h>
#include <ctype.h>
// IMPORTANT NOTE: in the 'sscanf()' calls there is a blank after the '%d'
// format characters in order to allow any number of blanks after a numeric
// value!
// -- Channel Parameter Maps -------------------------------------------------
const tChannelParameterMap InversionValues[] = {
{ 0, INVERSION_OFF },
{ 1, INVERSION_ON },
{ 999, INVERSION_AUTO },
{ -1 }
};
const tChannelParameterMap BandwidthValues[] = {
{ 6, BANDWIDTH_6_MHZ },
{ 7, BANDWIDTH_7_MHZ },
{ 8, BANDWIDTH_8_MHZ },
{ 999, BANDWIDTH_AUTO },
{ -1 }
};
const tChannelParameterMap CoderateValues[] = {
{ 0, FEC_NONE },
{ 12, FEC_1_2 },
{ 23, FEC_2_3 },
{ 34, FEC_3_4 },
{ 45, FEC_4_5 },
{ 56, FEC_5_6 },
{ 67, FEC_6_7 },
{ 78, FEC_7_8 },
{ 89, FEC_8_9 },
{ 999, FEC_AUTO },
{ -1 }
};
const tChannelParameterMap ModulationValues[] = {
{ 0, QPSK },
{ 16, QAM_16 },
{ 32, QAM_32 },
{ 64, QAM_64 },
{ 128, QAM_128 },
{ 256, QAM_256 },
{ 999, QAM_AUTO },
{ -1 }
};
const tChannelParameterMap TransmissionValues[] = {
{ 2, TRANSMISSION_MODE_2K },
{ 8, TRANSMISSION_MODE_8K },
{ 999, TRANSMISSION_MODE_AUTO },
{ -1 }
};
const tChannelParameterMap GuardValues[] = {
{ 4, GUARD_INTERVAL_1_4 },
{ 8, GUARD_INTERVAL_1_8 },
{ 16, GUARD_INTERVAL_1_16 },
{ 32, GUARD_INTERVAL_1_32 },
{ 999, GUARD_INTERVAL_AUTO },
{ -1 }
};
const tChannelParameterMap HierarchyValues[] = {
{ 0, HIERARCHY_NONE },
{ 1, HIERARCHY_1 },
{ 2, HIERARCHY_2 },
{ 4, HIERARCHY_4 },
{ 999, HIERARCHY_AUTO },
{ -1 }
};
int UserIndex(int Value, const tChannelParameterMap *Map)
{
const tChannelParameterMap *map = Map;
while (map && map->userValue != -1) {
if (map->userValue == Value)
return map - Map;
map++;
}
return -1;
}
int DriverIndex(int Value, const tChannelParameterMap *Map)
{
const tChannelParameterMap *map = Map;
while (map && map->userValue != -1) {
if (map->driverValue == Value)
return map - Map;
map++;
}
return -1;
}
int MapToUser(int Value, const tChannelParameterMap *Map)
{
int n = DriverIndex(Value, Map);
if (n >= 0)
return Map[n].userValue;
return -1;
}
int MapToDriver(int Value, const tChannelParameterMap *Map)
{
int n = UserIndex(Value, Map);
if (n >= 0)
return Map[n].driverValue;
return -1;
}
// -- tChannelID -------------------------------------------------------------
const tChannelID tChannelID::InvalidID;
bool tChannelID::operator== (const tChannelID &arg) const
{
return source == arg.source && nid == arg.nid && tid == arg.tid && sid == arg.sid && rid == arg.rid;
}
tChannelID tChannelID::FromString(const char *s)
{
char *sourcebuf = NULL;
int nid;
int tid;
int sid;
int rid = 0;
int fields = sscanf(s, "%a[^-]-%d-%d-%d-%d", &sourcebuf, &nid, &tid, &sid, &rid);
if (fields == 4 || fields == 5) {
int source = cSource::FromString(sourcebuf);
free(sourcebuf);
if (source >= 0)
return tChannelID(source, nid, tid, sid, rid);
}
return tChannelID::InvalidID;
}
const char *tChannelID::ToString(void)
{
static char buffer[256];
snprintf(buffer, sizeof(buffer), rid ? "%s-%d-%d-%d-%d" : "%s-%d-%d-%d", cSource::ToString(source), nid, tid, sid, rid);
return buffer;
}
// -- cChannel ---------------------------------------------------------------
char *cChannel::buffer = NULL;
cChannel::cChannel(void)
{
memset(&__BeginData__, 0, (char *)&__EndData__ - (char *)&__BeginData__);
inversion = INVERSION_AUTO;
bandwidth = BANDWIDTH_AUTO;
coderateH = FEC_AUTO;
coderateL = FEC_AUTO;
modulation = QAM_AUTO;
transmission = TRANSMISSION_MODE_AUTO;
guard = GUARD_INTERVAL_AUTO;
hierarchy = HIERARCHY_AUTO;
modification = CHANNELMOD_NONE;
linkChannels = NULL;
refChannel = NULL;
}
cChannel::cChannel(const cChannel &Channel)
{
*this = Channel;
*name = 0;
vpid = 0;
ppid = 0;
apids[0] = 0;
dpids[0] = 0;
tpid = 0;
caids[0] = 0;
nid = 0;
tid = 0;
sid = 0;
rid = 0;
number = 0;
groupSep = false;
modification = CHANNELMOD_NONE;
linkChannels = NULL;
refChannel = NULL;
}
cChannel::~cChannel()
{
delete linkChannels;
linkChannels = NULL; // more than one channel can link to this one, so we need the following loop
for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) {
if (Channel->linkChannels) {
for (cLinkChannel *lc = Channel->linkChannels->First(); lc; lc = Channel->linkChannels->Next(lc)) {
if (lc->Channel() == this) {
Channel->linkChannels->Del(lc);
break;
}
}
if (Channel->linkChannels->Count() == 0) {
delete Channel->linkChannels;
Channel->linkChannels = NULL;
}
}
}
}
cChannel& cChannel::operator= (const cChannel &Channel)
{
memcpy(&__BeginData__, &Channel.__BeginData__, (char *)&Channel.__EndData__ - (char *)&Channel.__BeginData__);
return *this;
}
int cChannel::Transponder(void) const
{
int tf = frequency;
while (tf > 20000)
tf /= 1000;
return tf;
}
tChannelID cChannel::GetChannelID(void) const
{
return tChannelID(source, nid, (nid || tid) ? tid : Transponder(), sid, rid);
}
int cChannel::Modification(int Mask)
{
int Result = modification & Mask;
modification = CHANNELMOD_NONE;
return Result;
}
bool cChannel::SetSatTransponderData(int Source, int Frequency, char Polarization, int Srate, int CoderateH, bool Log)
{
// Workarounds for broadcaster stupidity:
// Some providers broadcast the transponder frequency of their channels with two different
// values (like 12551 and 12552), so we need to allow for a little tolerance here
if (abs(frequency - Frequency) <= 1)
Frequency = frequency;
// Sometimes the transponder frequency is set to 0, which is just wrong
if (Frequency == 0)
return false;
if (source != Source || frequency != Frequency || polarization != Polarization || srate != Srate || coderateH != CoderateH) {
if (Log)
dsyslog("changing transponder data of channel %d from %s:%d:%c:%d:%d to %s:%d:%c:%d:%d", Number(), cSource::ToString(source), frequency, polarization, srate, coderateH, cSource::ToString(Source), Frequency, Polarization, Srate, CoderateH);
source = Source;
frequency = Frequency;
polarization = Polarization;
srate = Srate;
coderateH = CoderateH;
modulation = QPSK;
modification |= CHANNELMOD_TRANSP;
Channels.SetModified();
}
return true;
}
bool cChannel::SetCableTransponderData(int Source, int Frequency, int Modulation, int Srate, int CoderateH, bool Log)
{
if (source != Source || frequency != Frequency || modulation != Modulation || srate != Srate || coderateH != CoderateH) {
if (Log)
dsyslog("changing transponder data of channel %d from %s:%d:%d:%d:%d to %s:%d:%d:%d:%d", Number(), cSource::ToString(source), frequency, modulation, srate, coderateH, cSource::ToString(Source), Frequency, Modulation, Srate, CoderateH);
source = Source;
frequency = Frequency;
modulation = Modulation;
srate = Srate;
coderateH = CoderateH;
modification |= CHANNELMOD_TRANSP;
Channels.SetModified();
}
return true;
}
bool cChannel::SetTerrTransponderData(int Source, int Frequency, int Bandwidth, int Modulation, int Hierarchy, int CoderateH, int CoderateL, int Guard, int Transmission, bool Log)
{
if (source != Source || frequency != Frequency || bandwidth != Bandwidth || modulation != Modulation || hierarchy != Hierarchy || coderateH != CoderateH || coderateL != CoderateL || guard != Guard || transmission != Transmission) {
if (Log)
dsyslog("changing transponder data of channel %d from %s:%d:%d:%d:%d:%d:%d:%d:%d to %s:%d:%d:%d:%d:%d:%d:%d:%d", Number(), cSource::ToString(source), frequency, bandwidth, modulation, hierarchy, coderateH, coderateL, guard, transmission, cSource::ToString(Source), Frequency, Bandwidth, Modulation, Hierarchy, CoderateH, CoderateL, Guard, Transmission);
source = Source;
frequency = Frequency;
bandwidth = Bandwidth;
modulation = Modulation;
hierarchy = Hierarchy;
coderateH = CoderateH;
coderateL = CoderateL;
guard = Guard;
transmission = Transmission;
modification |= CHANNELMOD_TRANSP;
Channels.SetModified();
}
return true;
}
void cChannel::SetId(int Nid, int Tid, int Sid, int Rid, bool Log)
{
if (nid != Nid || tid != Tid || sid != Sid || rid != Rid) {
if (Log)
dsyslog("changing id of channel %d from %d-%d-%d-%d to %d-%d-%d-%d", Number(), nid, tid, sid, rid, Nid, Tid, Sid, Rid);
nid = Nid;
tid = Tid;
sid = Sid;
rid = Rid;
modification |= CHANNELMOD_ID;
Channels.SetModified();
}
}
void cChannel::SetName(const char *Name, bool Log)
{
if (!isempty(Name) && strcmp(name, Name) != 0) {
if (Log)
dsyslog("changing name of channel %d from '%s' to '%s'", Number(), name, Name);
strn0cpy(name, Name, MaxChannelName);
modification |= CHANNELMOD_NAME;
Channels.SetModified();
}
}
static bool IntArraysDiffer(const int *a, const int *b, const char na[][4] = NULL, const char nb[][4] = NULL)
{
int i = 0;
while (a[i] && b[i]) {
if (a[i] != b[i] || na && nb && strcmp(na[i], nb[i]) != 0)
return true;
i++;
}
return a[i] != b[i] || a[i] && na && nb && strcmp(na[i], nb[i]) != 0;
}
static int IntArrayToString(char *s, const int *a, int Base = 10, const char n[][4] = NULL)
{
char *q = s;
int i = 0;
while (a[i] || i == 0) {
q += sprintf(q, Base == 16 ? "%s%X" : "%s%d", i ? "," : "", a[i]);
if (a[i] && n && *n[i])
q += sprintf(q, "=%s", n[i]);
if (!a[i])
break;
i++;
}
*q = 0;
return q - s;
}
void cChannel::SetPids(int Vpid, int Ppid, int *Apids, char ALangs[][4], int *Dpids, char DLangs[][4], int Tpid)
{
bool modified = vpid != Vpid || ppid != Ppid || tpid != Tpid;
if (!modified)
modified = IntArraysDiffer(apids, Apids, alangs, ALangs) || IntArraysDiffer(dpids, Dpids, dlangs, DLangs);
if (modified) {
char OldApidsBuf[MAXAPIDS * 2 * 10 + 10]; // 2: Apids and Dpids, 10: 5 digits plus delimiting ',' or ';' plus optional '=cod', +10: paranoia
char NewApidsBuf[MAXAPIDS * 2 * 10 + 10];
char *q = OldApidsBuf;
q += IntArrayToString(q, apids, 10, alangs);
if (dpids[0]) {
*q++ = ';';
q += IntArrayToString(q, dpids, 10, dlangs);
}
*q = 0;
q = NewApidsBuf;
q += IntArrayToString(q, Apids, 10, ALangs);
if (Dpids[0]) {
*q++ = ';';
q += IntArrayToString(q, Dpids, 10, DLangs);
}
*q = 0;
dsyslog("changing pids of channel %d from %d+%d:%s:%d to %d+%d:%s:%d", Number(), vpid, ppid, OldApidsBuf, tpid, Vpid, Ppid, NewApidsBuf, Tpid);
vpid = Vpid;
ppid = Ppid;
for (int i = 0; i <= MAXAPIDS; i++) { // <= to copy the terminating 0
apids[i] = Apids[i];
strn0cpy(alangs[i], ALangs[i], 4);
dpids[i] = Dpids[i];
strn0cpy(dlangs[i], DLangs[i], 4);
}
tpid = Tpid;
modification |= CHANNELMOD_PIDS;
Channels.SetModified();
}
}
void cChannel::SetCaIds(const int *CaIds)
{
if (caids[0] && caids[0] <= 0x00FF)
return; // special values will not be overwritten
if (IntArraysDiffer(caids, CaIds)) {
char OldCaIdsBuf[MAXCAIDS * 5 + 10]; // 5: 4 digits plus delimiting ',', 10: paranoia
char NewCaIdsBuf[MAXCAIDS * 5 + 10];
IntArrayToString(OldCaIdsBuf, caids, 16);
IntArrayToString(NewCaIdsBuf, CaIds, 16);
dsyslog("changing caids of channel %d from %s to %s", Number(), OldCaIdsBuf, NewCaIdsBuf);
for (int i = 0; i <= MAXCAIDS; i++) { // <= to copy the terminating 0
caids[i] = CaIds[i];
if (!CaIds[i])
break;
}
modification |= CHANNELMOD_CA;
Channels.SetModified();
}
}
void cChannel::SetCaDescriptors(int Level)
{
if (Level > 0) {
modification |= CHANNELMOD_CA;
Channels.SetModified();
if (Level > 1)
dsyslog("changing ca descriptors of channel %d", Number());
}
}
void cChannel::SetLinkChannels(cLinkChannels *LinkChannels)
{
if (!linkChannels && !LinkChannels)
return;
if (linkChannels && LinkChannels) {
cLinkChannel *lca = linkChannels->First();
cLinkChannel *lcb = LinkChannels->First();
while (lca && lcb) {
if (lca->Channel() != lcb->Channel()) {
lca = NULL;
break;
}
lca = linkChannels->Next(lca);
lcb = LinkChannels->Next(lcb);
}
if (!lca && !lcb) {
delete LinkChannels;
return; // linkage has not changed
}
}
char buffer[((linkChannels ? linkChannels->Count() : 0) + (LinkChannels ? LinkChannels->Count() : 0)) * 6 + 256]; // 6: 5 digit channel number plus blank, 256: other texts (see below) plus reserve
char *q = buffer;
q += sprintf(q, "linking channel %d from", Number());
if (linkChannels) {
for (cLinkChannel *lc = linkChannels->First(); lc; lc = linkChannels->Next(lc)) {
lc->Channel()->SetRefChannel(NULL);
q += sprintf(q, " %d", lc->Channel()->Number());
}
delete linkChannels;
}
else
q += sprintf(q, " none");
q += sprintf(q, " to");
linkChannels = LinkChannels;
if (linkChannels) {
for (cLinkChannel *lc = linkChannels->First(); lc; lc = linkChannels->Next(lc)) {
lc->Channel()->SetRefChannel(this);
q += sprintf(q, " %d", lc->Channel()->Number());
//dsyslog("link %4d -> %4d: %s", Number(), lc->Channel()->Number(), lc->Channel()->Name());
}
}
else
q += sprintf(q, " none");
dsyslog(buffer);
}
void cChannel::SetRefChannel(cChannel *RefChannel)
{
refChannel = RefChannel;
}
static int PrintParameter(char *p, char Name, int Value)
{
return Value >= 0 && Value != 999 ? sprintf(p, "%c%d", Name, Value) : 0;
}
const char *cChannel::ParametersToString(void)
{
char type = *cSource::ToString(source);
if (isdigit(type))
type = 'S';
#define ST(s) if (strchr(s, type))
static char buffer[64];
char *q = buffer;
*q = 0;
ST(" S ") q += sprintf(q, "%c", polarization);
ST("CST") q += PrintParameter(q, 'I', MapToUser(inversion, InversionValues));
ST("CST") q += PrintParameter(q, 'C', MapToUser(coderateH, CoderateValues));
ST(" T") q += PrintParameter(q, 'D', MapToUser(coderateL, CoderateValues));
ST("C T") q += PrintParameter(q, 'M', MapToUser(modulation, ModulationValues));
ST(" T") q += PrintParameter(q, 'B', MapToUser(bandwidth, BandwidthValues));
ST(" T") q += PrintParameter(q, 'T', MapToUser(transmission, TransmissionValues));
ST(" T") q += PrintParameter(q, 'G', MapToUser(guard, GuardValues));
ST(" T") q += PrintParameter(q, 'Y', MapToUser(hierarchy, HierarchyValues));
return buffer;
}
static const char *ParseParameter(const char *s, int &Value, const tChannelParameterMap *Map)
{
if (*++s) {
char *p = NULL;
errno = 0;
int n = strtol(s, &p, 10);
if (!errno && p != s) {
Value = MapToDriver(n, Map);
if (Value >= 0)
return p;
}
}
esyslog("ERROR: illegal value for parameter '%c'", *(s - 1));
return NULL;
}
bool cChannel::StringToParameters(const char *s)
{
while (s && *s) {
switch (toupper(*s)) {
case 'B': s = ParseParameter(s, bandwidth, BandwidthValues); break;
case 'C': s = ParseParameter(s, coderateH, CoderateValues); break;
case 'D': s = ParseParameter(s, coderateL, CoderateValues); break;
case 'G': s = ParseParameter(s, guard, GuardValues); break;
case 'H': polarization = *s++; break;
case 'I': s = ParseParameter(s, inversion, InversionValues); break;
case 'L': polarization = *s++; break;
case 'M': s = ParseParameter(s, modulation, ModulationValues); break;
case 'R': polarization = *s++; break;
case 'T': s = ParseParameter(s, transmission, TransmissionValues); break;
case 'V': polarization = *s++; break;
case 'Y': s = ParseParameter(s, hierarchy, HierarchyValues); break;
default: esyslog("ERROR: unknown parameter key '%c'", *s);
return false;
}
}
return true;
}
const char *cChannel::ToText(cChannel *Channel)
{
char buf[MaxChannelName * 2];
char *s = Channel->name;
if (strchr(s, ':')) {
s = strcpy(buf, s);
strreplace(s, ':', '|');
}
free(buffer);
if (Channel->groupSep) {
if (Channel->number)
asprintf(&buffer, ":@%d %s\n", Channel->number, s);
else
asprintf(&buffer, ":%s\n", s);
}
else {
char vpidbuf[32];
char *q = vpidbuf;
q += snprintf(q, sizeof(vpidbuf), "%d", Channel->vpid);
if (Channel->ppid && Channel->ppid != Channel->vpid)
q += snprintf(q, sizeof(vpidbuf) - (q - vpidbuf), "+%d", Channel->ppid);
*q = 0;
char apidbuf[MAXAPIDS * 2 * 10 + 10]; // 2: Apids and Dpids, 10: 5 digits plus delimiting ',' or ';' plus optional '=cod', +10: paranoia
q = apidbuf;
q += IntArrayToString(q, Channel->apids, 10, Channel->alangs);
if (Channel->dpids[0]) {
*q++ = ';';
q += IntArrayToString(q, Channel->dpids, 10, Channel->dlangs);
}
*q = 0;
char caidbuf[MAXCAIDS * 5 + 10]; // 5: 4 digits plus delimiting ',', 10: paranoia
q = caidbuf;
q += IntArrayToString(q, Channel->caids, 16);
*q = 0;
asprintf(&buffer, "%s:%d:%s:%s:%d:%s:%s:%d:%s:%d:%d:%d:%d\n", s, Channel->frequency, Channel->ParametersToString(), cSource::ToString(Channel->source), Channel->srate, vpidbuf, apidbuf, Channel->tpid, caidbuf, Channel->sid, Channel->nid, Channel->tid, Channel->rid);
}
return buffer;
}
const char *cChannel::ToText(void)
{
return ToText(this);
}
bool cChannel::Parse(const char *s, bool AllowNonUniqueID)
{
bool ok = true;
if (*s == ':') {
groupSep = true;
if (*++s == '@' && *++s) {
char *p = NULL;
errno = 0;
int n = strtol(s, &p, 10);
if (!errno && p != s && n > 0) {
number = n;
s = p;
}
}
strn0cpy(name, skipspace(s), MaxChannelName);
}
else {
groupSep = false;
char *namebuf = NULL;
char *sourcebuf = NULL;
char *parambuf = NULL;
char *vpidbuf = NULL;
char *apidbuf = NULL;
char *caidbuf = NULL;
int fields = sscanf(s, "%a[^:]:%d :%a[^:]:%a[^:] :%d :%a[^:]:%a[^:]:%d :%a[^:]:%d :%d :%d :%d ", &namebuf, &frequency, &parambuf, &sourcebuf, &srate, &vpidbuf, &apidbuf, &tpid, &caidbuf, &sid, &nid, &tid, &rid);
if (fields >= 9) {
if (fields == 9) {
// allow reading of old format
sid = atoi(caidbuf);
delete caidbuf;
caidbuf = NULL;
caids[0] = tpid;
caids[1] = 0;
tpid = 0;
}
vpid = ppid = 0;
apids[0] = 0;
dpids[0] = 0;
ok = false;
if (parambuf && sourcebuf && vpidbuf && apidbuf) {
ok = StringToParameters(parambuf) && (source = cSource::FromString(sourcebuf)) >= 0;
char *p = strchr(vpidbuf, '+');
if (p)
*p++ = 0;
sscanf(vpidbuf, "%d", &vpid);
if (p)
sscanf(p, "%d", &ppid);
else
ppid = vpid;
char *dpidbuf = strchr(apidbuf, ';');
if (dpidbuf)
*dpidbuf++ = 0;
p = apidbuf;
char *q;
int NumApids = 0;
while ((q = strtok(p, ",")) != NULL) {
if (NumApids < MAXAPIDS) {
char *l = strchr(q, '=');
if (l) {
*l++ = 0;
strn0cpy(alangs[NumApids], l, 4);
}
else
*alangs[NumApids] = 0;
apids[NumApids++] = strtol(q, NULL, 10);
}
else
esyslog("ERROR: too many APIDs!"); // no need to set ok to 'false'
p = NULL;
}
apids[NumApids] = 0;
if (dpidbuf) {
char *p = dpidbuf;
char *q;
int NumDpids = 0;
while ((q = strtok(p, ",")) != NULL) {
if (NumDpids < MAXAPIDS) {
char *l = strchr(q, '=');
if (l) {
*l++ = 0;
strn0cpy(dlangs[NumDpids], l, 4);
}
else
*dlangs[NumDpids] = 0;
dpids[NumDpids++] = strtol(q, NULL, 10);
}
else
esyslog("ERROR: too many DPIDs!"); // no need to set ok to 'false'
p = NULL;
}
dpids[NumDpids] = 0;
}
if (caidbuf) {
char *p = caidbuf;
char *q;
int NumCaIds = 0;
while ((q = strtok(p, ",")) != NULL) {
if (NumCaIds < MAXCAIDS) {
caids[NumCaIds++] = strtol(q, NULL, 16) & 0xFFFF;
if (NumCaIds == 1 && caids[0] <= 0x00FF)
break;
}
else
esyslog("ERROR: too many CA ids!"); // no need to set ok to 'false'
p = NULL;
}
caids[NumCaIds] = 0;
}
}
strn0cpy(name, namebuf, MaxChannelName);
free(parambuf);
free(sourcebuf);
free(vpidbuf);
free(apidbuf);
free(caidbuf);
free(namebuf);
if (!GetChannelID().Valid()) {
esyslog("ERROR: channel data results in invalid ID!");
return false;
}
if (!AllowNonUniqueID && Channels.GetByChannelID(GetChannelID())) {
esyslog("ERROR: channel data not unique!");
return false;
}
}
else
return false;
}
strreplace(name, '|', ':');
return ok;
}
bool cChannel::Save(FILE *f)
{
return fprintf(f, ToText()) > 0;
}
// -- cChannels --------------------------------------------------------------
cChannels Channels;
cChannels::cChannels(void)
{
maxNumber = 0;
modified = false;
}
bool cChannels::Load(const char *FileName, bool AllowComments, bool MustExist)
{
if (cConfig<cChannel>::Load(FileName, AllowComments, MustExist)) {
ReNumber();
return true;
}
return false;
}
int cChannels::GetNextGroup(int Idx)
{
cChannel *channel = Get(++Idx);
while (channel && !(channel->GroupSep() && *channel->Name()))
channel = Get(++Idx);
return channel ? Idx : -1;
}
int cChannels::GetPrevGroup(int Idx)
{
cChannel *channel = Get(--Idx);
while (channel && !(channel->GroupSep() && *channel->Name()))
channel = Get(--Idx);
return channel ? Idx : -1;
}
int cChannels::GetNextNormal(int Idx)
{
cChannel *channel = Get(++Idx);
while (channel && channel->GroupSep())
channel = Get(++Idx);
return channel ? Idx : -1;
}
void cChannels::ReNumber( void )
{
int Number = 1;
for (cChannel *channel = First(); channel; channel = Next(channel)) {
if (channel->GroupSep()) {
if (channel->Number() > Number)
Number = channel->Number();
}
else {
maxNumber = Number;
channel->SetNumber(Number++);
}
}
}
cChannel *cChannels::GetByNumber(int Number, int SkipGap)
{
cChannel *previous = NULL;
for (cChannel *channel = First(); channel; channel = Next(channel)) {
if (!channel->GroupSep()) {
if (channel->Number() == Number)
return channel;
else if (SkipGap && channel->Number() > Number)
return SkipGap > 0 ? channel : previous;
previous = channel;
}
}
return NULL;
}
cChannel *cChannels::GetByServiceID(int Source, int Transponder, unsigned short ServiceID)
{
for (cChannel *channel = First(); channel; channel = Next(channel)) {
if (!channel->GroupSep() && channel->Source() == Source && ISTRANSPONDER(channel->Transponder(), Transponder) && channel->Sid() == ServiceID)
return channel;
}
return NULL;
}
cChannel *cChannels::GetByChannelID(tChannelID ChannelID, bool TryWithoutRid)
{
for (cChannel *channel = First(); channel; channel = Next(channel)) {
if (!channel->GroupSep() && channel->GetChannelID() == ChannelID)
return channel;
}
if (TryWithoutRid) {
ChannelID.ClrRid();
for (cChannel *channel = First(); channel; channel = Next(channel)) {
if (!channel->GroupSep() && channel->GetChannelID().ClrRid() == ChannelID)
return channel;
}
}
return NULL;
}
bool cChannels::HasUniqueChannelID(cChannel *NewChannel, cChannel *OldChannel)
{
tChannelID NewChannelID = NewChannel->GetChannelID();
for (cChannel *channel = First(); channel; channel = Next(channel)) {
if (!channel->GroupSep() && channel != OldChannel && channel->GetChannelID() == NewChannelID)
return false;
}
return true;
}
bool cChannels::SwitchTo(int Number)
{
cChannel *channel = GetByNumber(Number);
return channel && cDevice::PrimaryDevice()->SwitchChannel(channel, true);
}
void cChannels::SetModified(void)
{
modified = true;
}
bool cChannels::Modified(void)
{
bool Result = modified;
modified = false;
return Result;
}
cChannel *cChannels::NewChannel(const cChannel *Transponder, const char *Name, int Nid, int Tid, int Sid, int Rid)
{
if (Transponder) {
dsyslog("creating new channel '%s' on %s transponder %d with id %d-%d-%d-%d", Name, cSource::ToString(Transponder->Source()), Transponder->Transponder(), Nid, Tid, Sid, Rid);
cChannel *NewChannel = new cChannel(*Transponder);
Add(NewChannel);
ReNumber();
NewChannel->SetId(Nid, Tid, Sid, Rid, false);
NewChannel->SetName(Name, false);
return NewChannel;
}
return NULL;
}