vdr-plugin-streamdev/client/device.c

334 lines
7.8 KiB
C

/*
* $Id: device.c,v 1.27 2010/08/18 10:26:55 schmirl Exp $
*/
#include "client/device.h"
#include "client/setup.h"
#include "client/filter.h"
#include "tools/select.h"
#include <vdr/config.h>
#include <vdr/channels.h>
#include <vdr/ringbuffer.h>
#include <vdr/eit.h>
#include <vdr/timers.h>
#include <time.h>
#include <iostream>
using namespace std;
#ifndef LIVEPRIORITY
#define LIVEPRIORITY 0
#endif
#ifndef TRANSFERPRIORITY
#define TRANSFERPRIORITY -1
#endif
#define VIDEOBUFSIZE MEGABYTE(3)
cStreamdevDevice *cStreamdevDevice::m_Device = NULL;
const cChannel *cStreamdevDevice::m_DenyChannel = NULL;
cStreamdevDevice::cStreamdevDevice(void) {
m_Channel = NULL;
m_TSBuffer = NULL;
m_Filters = new cStreamdevFilters;
StartSectionHandler();
isyslog("streamdev-client: got device number %d", CardIndex() + 1);
m_Device = this;
m_Pids = 0;
m_Priority = -100;
}
cStreamdevDevice::~cStreamdevDevice() {
Dprintf("Device gets destructed\n");
Lock();
m_Device = NULL;
m_Filters->SetConnection(-1);
ClientSocket.Quit();
ClientSocket.Reset();
Unlock();
Cancel(3);
StopSectionHandler();
DELETENULL(m_Filters);
DELETENULL(m_TSBuffer);
}
#if APIVERSNUM >= 10700
int cStreamdevDevice::NumProvidedSystems(void) const
{ return StreamdevClientSetup.NumProvidedSystems; }
#endif
bool cStreamdevDevice::ProvidesSource(int Source) const {
Dprintf("ProvidesSource, Source=%d\n", Source);
return true;
}
bool cStreamdevDevice::ProvidesTransponder(const cChannel *Channel) const
{
Dprintf("ProvidesTransponder\n");
return true;
}
#if APIVERSNUM >= 10722
bool cStreamdevDevice::IsTunedToTransponder(const cChannel *Channel) const
#else
bool cStreamdevDevice::IsTunedToTransponder(const cChannel *Channel)
#endif
{
bool res = false;
if (ClientSocket.DataSocket(siLive) != NULL
&& TRANSPONDER(Channel, m_Channel)
&& Channel->Ca() == CA_FTA
&& m_Channel->Ca() == CA_FTA)
res = true;
return res;
}
bool cStreamdevDevice::ProvidesChannel(const cChannel *Channel, int Priority,
bool *NeedsDetachReceivers) const {
bool res = false;
#if APIVERSNUM >= 10725
bool prio = Priority == IDLEPRIORITY || Priority >= this->Priority();
#else
bool prio = Priority < 0 || Priority > this->Priority();
#endif
bool ndr = false;
if (!StreamdevClientSetup.StartClient || Channel == m_DenyChannel)
return false;
Dprintf("ProvidesChannel, Channel=%s, Prio=%d\n", Channel->Name(), Priority);
if (StreamdevClientSetup.MinPriority <= StreamdevClientSetup.MaxPriority)
{
if (Priority < StreamdevClientSetup.MinPriority ||
Priority > StreamdevClientSetup.MaxPriority)
return false;
}
else
{
if (Priority < StreamdevClientSetup.MinPriority &&
Priority > StreamdevClientSetup.MaxPriority)
return false;
}
if (ClientSocket.DataSocket(siLive) != NULL
&& TRANSPONDER(Channel, m_Channel))
res = true;
else {
if (Priority == LIVEPRIORITY)
{
if (ClientSocket.ServerVersion() >= 100)
{
Priority = StreamdevClientSetup.LivePriority;
UpdatePriority(true);
}
else
{
if (StreamdevClientSetup.LivePriority >= 0)
Priority = StreamdevClientSetup.LivePriority;
}
}
res = prio && ClientSocket.ProvidesChannel(Channel, Priority);
if (ClientSocket.ServerVersion() >= 100)
UpdatePriority(false);
ndr = true;
}
if (NeedsDetachReceivers)
*NeedsDetachReceivers = ndr;
Dprintf("prov res = %d, ndr = %d\n", res, ndr);
return res;
}
bool cStreamdevDevice::SetChannelDevice(const cChannel *Channel,
bool LiveView) {
Dprintf("SetChannelDevice Channel: %s, LiveView: %s\n", Channel->Name(),
LiveView ? "true" : "false");
LOCK_THREAD;
m_UpdatePriority = ClientSocket.SupportsPrio();
if (LiveView)
return false;
if (ClientSocket.DataSocket(siLive) != NULL
&& TRANSPONDER(Channel, m_Channel)
&& Channel->Ca() == CA_FTA
&& m_Channel->Ca() == CA_FTA)
return true;
DetachAllReceivers();
m_Channel = Channel;
bool r = ClientSocket.SetChannelDevice(m_Channel);
Dprintf("setchanneldevice r=%d\n", r);
return r;
}
bool cStreamdevDevice::SetPid(cPidHandle *Handle, int Type, bool On) {
Dprintf("SetPid, Pid=%d, Type=%d, On=%d, used=%d\n", Handle->pid, Type, On, Handle->used);
LOCK_THREAD;
m_UpdatePriority = ClientSocket.SupportsPrio();
bool res = true;
if (Handle->pid && (On || !Handle->used)) {
res = ClientSocket.SetPid(Handle->pid, On);
m_Pids += (!res) ? 0 : On ? 1 : -1;
if (m_Pids < 0)
m_Pids = 0;
}
return res;
}
bool cStreamdevDevice::OpenDvr(void) {
Dprintf("OpenDvr\n");
LOCK_THREAD;
CloseDvr();
if (ClientSocket.CreateDataConnection(siLive)) {
m_TSBuffer = new cTSBuffer(*ClientSocket.DataSocket(siLive), MEGABYTE(2), CardIndex() + 1);
}
else {
esyslog("cStreamdevDevice::OpenDvr(): DVR connection FAILED");
}
return m_TSBuffer != NULL;
}
void cStreamdevDevice::CloseDvr(void) {
Dprintf("CloseDvr\n");
LOCK_THREAD;
ClientSocket.CloseDvr();
DELETENULL(m_TSBuffer);
}
bool cStreamdevDevice::GetTSPacket(uchar *&Data) {
if (m_TSBuffer && m_Device) {
Data = m_TSBuffer->Get();
#if 1 // TODO: this should be fixed in vdr cTSBuffer
// simple disconnect detection
static int m_TSFails = 0;
if (!Data) {
LOCK_THREAD;
if(!ClientSocket.DataSocket(siLive)) {
return false; // triggers CloseDvr() + OpenDvr() in cDevice
}
cPoller Poller(*ClientSocket.DataSocket(siLive));
errno = 0;
if (Poller.Poll() && !errno) {
char tmp[1];
if (recv(*ClientSocket.DataSocket(siLive), tmp, 1, MSG_PEEK) == 0 && !errno) {
esyslog("cStreamDevice::GetTSPacket: GetChecked: NOTHING (%d)", m_TSFails);
m_TSFails++;
if (m_TSFails > 10) {
isyslog("cStreamdevDevice::GetTSPacket(): disconnected");
m_Pids = 0;
CloseDvr();
m_TSFails = 0;
return false;
}
return true;
}
}
m_TSFails = 0;
}
#endif
return true;
}
return false;
}
int cStreamdevDevice::OpenFilter(u_short Pid, u_char Tid, u_char Mask) {
Dprintf("OpenFilter\n");
if (!StreamdevClientSetup.StreamFilters)
return -1;
if (!ClientSocket.DataSocket(siLiveFilter)) {
if (ClientSocket.CreateDataConnection(siLiveFilter)) {
m_Filters->SetConnection(*ClientSocket.DataSocket(siLiveFilter));
} else {
isyslog("cStreamdevDevice::OpenFilter: connect failed: %m");
return -1;
}
}
if (ClientSocket.SetFilter(Pid, Tid, Mask, true))
return m_Filters->OpenFilter(Pid, Tid, Mask);
return -1;
}
bool cStreamdevDevice::Init(void) {
if (m_Device == NULL && StreamdevClientSetup.StartClient)
new cStreamdevDevice;
return true;
}
bool cStreamdevDevice::ReInit(void) {
if(m_Device) {
m_Device->Lock();
m_Device->m_Filters->SetConnection(-1);
m_Device->m_Pids = 0;
}
ClientSocket.Quit();
ClientSocket.Reset();
if (m_Device != NULL) {
//DELETENULL(m_Device->m_TSBuffer);
m_Device->Unlock();
}
return StreamdevClientSetup.StartClient ? Init() : true;
}
void cStreamdevDevice::UpdatePriority(bool SwitchingChannels) {
if (m_Device) {
m_Device->Lock();
if (m_Device->m_UpdatePriority && ClientSocket.DataSocket(siLive)) {
int Priority = m_Device->Priority();
// override TRANSFERPRIORITY (-1) with live TV priority from setup
if (m_Device == cDevice::ActualDevice() && Priority == TRANSFERPRIORITY) {
Priority = StreamdevClientSetup.LivePriority;
// temporarily lower priority
if (SwitchingChannels)
Priority--;
if (Priority < 0 && ClientSocket.ServerVersion() < 100)
Priority = 0;
}
if (m_Device->m_Priority != Priority && ClientSocket.SetPriority(Priority))
m_Device->m_Priority = Priority;
}
m_Device->Unlock();
}
}
int cStreamdevDevice::SignalStrength(void) const {
int strength = -1;
if (ClientSocket.DataSocket(siLive) != NULL)
ClientSocket.GetSignal(&strength, NULL);
return strength;
}
int cStreamdevDevice::SignalQuality(void) const {
int quality = -1;
if (ClientSocket.DataSocket(siLive) != NULL)
ClientSocket.GetSignal(NULL, &quality);
return quality;
}