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mirror of https://github.com/rofafor/vdr-plugin-satip.git synced 2023-10-10 13:37:42 +02:00
vdr-plugin-satip/device.c
2014-03-28 19:53:22 +02:00

449 lines
13 KiB
C

/*
* device.c: SAT>IP plugin for the Video Disk Recorder
*
* See the README file for copyright information and how to reach the author.
*
*/
#include "config.h"
#include "discover.h"
#include "param.h"
#include "device.h"
#define SATIP_MAX_DEVICES MAXDEVICES
static cSatipDevice * SatipDevicesS[SATIP_MAX_DEVICES] = { NULL };
cSatipDevice::cSatipDevice(unsigned int indexP)
: deviceIndexM(indexP),
isPacketDeliveredM(false),
isOpenDvrM(false),
deviceNameM(*cString::sprintf("%s %d", *DeviceType(), deviceIndexM)),
channelM(),
createdM(0),
mutexM()
{
unsigned int bufsize = (unsigned int)SATIP_BUFFER_SIZE;
bufsize -= (bufsize % TS_SIZE);
isyslog("creating SAT>IP device %d (CardIndex=%d)", deviceIndexM, CardIndex());
tsBufferM = new cRingBufferLinear(bufsize + 1, TS_SIZE, false,
*cString::sprintf("SAT>IP TS %d", deviceIndexM));
if (tsBufferM) {
tsBufferM->SetTimeouts(100, 100);
tsBufferM->SetIoThrottle();
pTunerM = new cSatipTuner(*this, tsBufferM->Free());
}
// Start section handler
pSectionFilterHandlerM = new cSatipSectionFilterHandler(deviceIndexM, bufsize + 1);
StartSectionHandler();
}
cSatipDevice::~cSatipDevice()
{
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
// Stop section handler
StopSectionHandler();
DELETE_POINTER(pSectionFilterHandlerM);
DELETE_POINTER(pTunerM);
DELETE_POINTER(tsBufferM);
}
bool cSatipDevice::Initialize(unsigned int deviceCountP)
{
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceCountP);
if (deviceCountP > SATIP_MAX_DEVICES)
deviceCountP = SATIP_MAX_DEVICES;
for (unsigned int i = 0; i < deviceCountP; ++i)
SatipDevicesS[i] = new cSatipDevice(i);
for (unsigned int i = deviceCountP; i < SATIP_MAX_DEVICES; ++i)
SatipDevicesS[i] = NULL;
return true;
}
void cSatipDevice::Shutdown(void)
{
debug("cSatipDevice::%s()", __FUNCTION__);
for (int i = 0; i < SATIP_MAX_DEVICES; ++i) {
if (SatipDevicesS[i])
SatipDevicesS[i]->CloseDvr();
}
}
unsigned int cSatipDevice::Count(void)
{
unsigned int count = 0;
debug("cSatipDevice::%s()", __FUNCTION__);
for (unsigned int i = 0; i < SATIP_MAX_DEVICES; ++i) {
if (SatipDevicesS[i] != NULL)
count++;
}
return count;
}
cSatipDevice *cSatipDevice::GetSatipDevice(int cardIndexP)
{
//debug("cSatipDevice::%s(%d)", __FUNCTION__, cardIndexP);
for (unsigned int i = 0; i < SATIP_MAX_DEVICES; ++i) {
if (SatipDevicesS[i] && (SatipDevicesS[i]->CardIndex() == cardIndexP)) {
//debug("cSatipDevice::%s(%d): found!", __FUNCTION__, cardIndexP);
return SatipDevicesS[i];
}
}
return NULL;
}
cString cSatipDevice::GetGeneralInformation(void)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return cString::sprintf("SAT>IP device: %d\nCardIndex: %d\nStream: %s\nSignal: %s\nStream bitrate: %s\n%sChannel: %s",
deviceIndexM, CardIndex(),
pTunerM ? *pTunerM->GetInformation() : "",
pTunerM ? *pTunerM->GetSignalStatus() : "",
pTunerM ? *pTunerM->GetTunerStatistic() : "",
*GetBufferStatistic(),
*Channels.GetByNumber(cDevice::CurrentChannel())->ToText());
}
cString cSatipDevice::GetPidsInformation(void)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return GetPidStatistic();
}
cString cSatipDevice::GetFiltersInformation(void)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return cString::sprintf("Active section filters:\n%s", pSectionFilterHandlerM ? *pSectionFilterHandlerM->GetInformation() : "");
}
cString cSatipDevice::GetInformation(unsigned int pageP)
{
// generate information string
cString s;
switch (pageP) {
case SATIP_DEVICE_INFO_GENERAL:
s = GetGeneralInformation();
break;
case SATIP_DEVICE_INFO_PIDS:
s = GetPidsInformation();
break;
case SATIP_DEVICE_INFO_FILTERS:
s = GetFiltersInformation();
break;
case SATIP_DEVICE_INFO_PROTOCOL:
s = pTunerM ? *pTunerM->GetInformation() : "";
break;
case SATIP_DEVICE_INFO_BITRATE:
s = pTunerM ? *pTunerM->GetTunerStatistic() : "";
break;
default:
s = cString::sprintf("%s%s%s",
*GetGeneralInformation(),
*GetPidsInformation(),
*GetFiltersInformation());
break;
}
return s;
}
bool cSatipDevice::Ready(void)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return ((cSatipDiscover::GetInstance()->GetServerCount() > 0) || (createdM.Elapsed() > eReadyTimeoutMs));
}
cString cSatipDevice::DeviceType(void) const
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return "SAT>IP";
}
cString cSatipDevice::DeviceName(void) const
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return deviceNameM;
}
bool cSatipDevice::AvoidRecording(void) const
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return SatipConfig.IsOperatingModeLow();
}
int cSatipDevice::SignalStrength(void) const
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return (pTunerM ? pTunerM->SignalStrength() : -1);
}
int cSatipDevice::SignalQuality(void) const
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return (pTunerM ? pTunerM->SignalQuality() : -1);
}
bool cSatipDevice::ProvidesSource(int sourceP) const
{
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return (!SatipConfig.IsOperatingModeOff() && !!cSatipDiscover::GetInstance()->GetServer(sourceP));
}
bool cSatipDevice::ProvidesTransponder(const cChannel *channelP) const
{
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return (ProvidesSource(channelP->Source()));
}
bool cSatipDevice::ProvidesChannel(const cChannel *channelP, int priorityP, bool *needsDetachReceiversP) const
{
bool result = false;
bool hasPriority = (priorityP == IDLEPRIORITY) || (priorityP > this->Priority());
bool needsDetachReceivers = false;
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
if (channelP && ProvidesTransponder(channelP)) {
result = hasPriority;
if (priorityP > IDLEPRIORITY) {
if (Receiving()) {
if (IsTunedToTransponder(channelP)) {
if (channelP->Vpid() && !HasPid(channelP->Vpid()) || channelP->Apid(0) && !HasPid(channelP->Apid(0)) || channelP->Dpid(0) && !HasPid(channelP->Dpid(0))) {
if (CamSlot() && channelP->Ca() >= CA_ENCRYPTED_MIN) {
if (CamSlot()->CanDecrypt(channelP))
result = true;
else
needsDetachReceivers = true;
}
else
result = true;
}
else
result = true;
}
else
needsDetachReceivers = Receiving();
}
}
}
if (needsDetachReceiversP)
*needsDetachReceiversP = needsDetachReceivers;
return result;
}
bool cSatipDevice::ProvidesEIT(void) const
{
return (SatipConfig.GetEITScan());
}
int cSatipDevice::NumProvidedSystems(void) const
{
int count = cSatipDiscover::GetInstance()->NumProvidedSystems();
// Tweak the count according to operation mode
if (SatipConfig.IsOperatingModeLow())
count = 15;
else if (SatipConfig.IsOperatingModeHigh())
count = 1;
// Clamp the count between 1 and 15
if (count > 15)
count = 15;
else if (count < 1)
count = 1;
return count;
}
const cChannel *cSatipDevice::GetCurrentlyTunedTransponder(void) const
{
return &channelM;
}
bool cSatipDevice::IsTunedToTransponder(const cChannel *channelP) const
{
if (pTunerM && !pTunerM->IsTuned())
return false;
if ((channelM.Source() != channelP->Source()) || (channelM.Transponder() != channelP->Transponder()))
return false;
return (strcmp(channelM.Parameters(), channelP->Parameters()) == 0);
}
bool cSatipDevice::MaySwitchTransponder(const cChannel *channelP) const
{
return cDevice::MaySwitchTransponder(channelP);
}
bool cSatipDevice::SetChannelDevice(const cChannel *channelP, bool liveViewP)
{
if (channelP) {
cDvbTransponderParameters dtp(channelP->Parameters());
cString params = GetTransponderUrlParameters(channelP);
if (isempty(params)) {
error("Unrecognized SAT>IP channel parameters: %s", channelP->Parameters());
return false;
}
cString address;
cSatipServer *server = cSatipDiscover::GetInstance()->GetServer(channelP->Source(), dtp.System());
if (!server) {
debug("cSatipDevice::%s(%u): no suitable server found", __FUNCTION__, deviceIndexM);
return false;
}
if (pTunerM && pTunerM->SetSource(server, *params, deviceIndexM)) {
deviceNameM = cString::sprintf("%s %d %s", *DeviceType(), deviceIndexM, *cSatipDiscover::GetInstance()->GetServerString(server));
channelM = *channelP;
return true;
}
}
return false;
}
bool cSatipDevice::SetPid(cPidHandle *handleP, int typeP, bool onP)
{
//debug("cSatipDevice::%s(%u): pid=%d type=%d on=%d", __FUNCTION__, deviceIndexM, handleP->pid, typeP, onP);
if (pTunerM && handleP && handleP->pid >= 0) {
if (onP)
return pTunerM->SetPid(handleP->pid, typeP, true);
else if (!handleP->used)
return pTunerM->SetPid(handleP->pid, typeP, false);
}
return true;
}
int cSatipDevice::OpenFilter(u_short pidP, u_char tidP, u_char maskP)
{
//debug("cSatipDevice::%s(%u): pid=%d tid=%d mask=%d", __FUNCTION__, deviceIndexM, pidP, tidP, maskP);
if (pSectionFilterHandlerM) {
int handle = pSectionFilterHandlerM->Open(pidP, tidP, maskP);
if (pTunerM && (handle >= 0))
pTunerM->SetPid(pidP, ptOther, true);
return handle;
}
return -1;
}
void cSatipDevice::CloseFilter(int handleP)
{
//debug("cSatipDevice::%s(%u): handle=%d", __FUNCTION__, deviceIndexM, handleP);
if (pSectionFilterHandlerM) {
if (pTunerM)
pTunerM->SetPid(pSectionFilterHandlerM->GetPid(handleP), ptOther, false);
pSectionFilterHandlerM->Close(handleP);
}
}
bool cSatipDevice::OpenDvr(void)
{
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
isPacketDeliveredM = false;
tsBufferM->Clear();
if (pTunerM)
pTunerM->Open();
isOpenDvrM = true;
return true;
}
void cSatipDevice::CloseDvr(void)
{
debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
if (pTunerM)
pTunerM->Close();
isOpenDvrM = false;
}
bool cSatipDevice::HasLock(int timeoutMsP) const
{
//debug("cSatipDevice::%s(%u): timeoutMs=%d", __FUNCTION__, deviceIndexM, timeoutMsP);
return (pTunerM && pTunerM->HasLock());
}
bool cSatipDevice::HasInternalCam(void)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
return false;
}
void cSatipDevice::WriteData(uchar *bufferP, int lengthP)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
// Fill up TS buffer
if (tsBufferM) {
int len = tsBufferM->Put(bufferP, lengthP);
if (len != lengthP)
tsBufferM->ReportOverflow(lengthP - len);
}
// Filter the sections
if (pSectionFilterHandlerM)
pSectionFilterHandlerM->Write(bufferP, lengthP);
}
unsigned int cSatipDevice::CheckData(void)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
if (tsBufferM)
return (unsigned int)tsBufferM->Free();
return 0;
}
uchar *cSatipDevice::GetData(int *availableP)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
if (isOpenDvrM && tsBufferM) {
int count = 0;
if (isPacketDeliveredM)
SkipData(TS_SIZE);
uchar *p = tsBufferM->Get(count);
if (p && count >= TS_SIZE) {
if (*p != TS_SYNC_BYTE) {
for (int i = 1; i < count; i++) {
if (p[i] == TS_SYNC_BYTE) {
count = i;
break;
}
}
tsBufferM->Del(count);
info("Skipped %d bytes to sync on TS packet", count);
return NULL;
}
isPacketDeliveredM = true;
if (availableP)
*availableP = count;
// Update pid statistics
AddPidStatistic(ts_pid(p), payload(p));
return p;
}
}
return NULL;
}
void cSatipDevice::SkipData(int countP)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
tsBufferM->Del(countP);
isPacketDeliveredM = false;
// Update buffer statistics
AddBufferStatistic(countP, tsBufferM->Available());
}
bool cSatipDevice::GetTSPacket(uchar *&dataP)
{
//debug("cSatipDevice::%s(%u)", __FUNCTION__, deviceIndexM);
if (tsBufferM) {
#if defined(APIVERSNUM) && APIVERSNUM >= 20104
if (cCamSlot *cs = CamSlot()) {
if (cs->WantsTsData()) {
int available;
dataP = GetData(&available);
if (dataP) {
dataP = cs->Decrypt(dataP, available);
SkipData(available);
}
return true;
}
}
#endif
dataP = GetData();
return true;
}
// Reduce cpu load by preventing busylooping
cCondWait::SleepMs(10);
dataP = NULL;
return true;
}