mirror of
https://projects.vdr-developer.org/git/vdr-plugin-streamdev.git
synced 2023-10-10 19:16:51 +02:00
329 lines
7.7 KiB
C
329 lines
7.7 KiB
C
/*
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* $Id: device.c,v 1.27 2010/08/18 10:26:55 schmirl Exp $
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*/
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#include "client/device.h"
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#include "client/setup.h"
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#include "client/filter.h"
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#include "tools/select.h"
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#include <vdr/config.h>
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#include <vdr/channels.h>
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#include <vdr/ringbuffer.h>
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#include <vdr/eit.h>
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#include <vdr/timers.h>
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#include <time.h>
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#include <iostream>
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using namespace std;
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#define VIDEOBUFSIZE MEGABYTE(3)
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cStreamdevDevice *cStreamdevDevice::m_Device = NULL;
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cStreamdevDevice::cStreamdevDevice(void) {
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m_Channel = NULL;
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m_TSBuffer = NULL;
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m_Filters = new cStreamdevFilters;
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StartSectionHandler();
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isyslog("streamdev-client: got device number %d", CardIndex() + 1);
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m_Device = this;
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m_Pids = 0;
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m_Priority = -1;
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m_DvrClosed = true;
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}
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cStreamdevDevice::~cStreamdevDevice() {
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Dprintf("Device gets destructed\n");
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Lock();
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m_Device = NULL;
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m_Filters->SetConnection(-1);
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ClientSocket.Quit();
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ClientSocket.Reset();
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Unlock();
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Cancel(3);
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#if APIVERSNUM >= 10515
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StopSectionHandler();
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#endif
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DELETENULL(m_Filters);
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DELETENULL(m_TSBuffer);
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}
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#if APIVERSNUM >= 10700
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int cStreamdevDevice::NumProvidedSystems(void) const
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{ return StreamdevClientSetup.NumProvidedSystems; }
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#endif
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bool cStreamdevDevice::ProvidesSource(int Source) const {
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Dprintf("ProvidesSource, Source=%d\n", Source);
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return true;
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}
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bool cStreamdevDevice::ProvidesTransponder(const cChannel *Channel) const
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{
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Dprintf("ProvidesTransponder\n");
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return true;
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}
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bool cStreamdevDevice::IsTunedToTransponder(const cChannel *Channel)
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{
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bool res = false;
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if (ClientSocket.DataSocket(siLive) != NULL
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&& TRANSPONDER(Channel, m_Channel)
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&& Channel->Ca() == CA_FTA
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&& m_Channel->Ca() == CA_FTA)
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res = true;
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return res;
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}
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bool cStreamdevDevice::ProvidesChannel(const cChannel *Channel, int Priority,
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bool *NeedsDetachReceivers) const {
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bool res = false;
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bool prio = Priority < 0 || Priority > this->Priority();
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bool ndr = false;
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if (!StreamdevClientSetup.StartClient)
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return false;
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Dprintf("ProvidesChannel, Channel=%s, Prio=%d\n", Channel->Name(), Priority);
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if (StreamdevClientSetup.MinPriority <= StreamdevClientSetup.MaxPriority)
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{
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if (Priority < StreamdevClientSetup.MinPriority ||
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Priority > StreamdevClientSetup.MaxPriority)
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return false;
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}
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else
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{
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if (Priority < StreamdevClientSetup.MinPriority &&
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Priority > StreamdevClientSetup.MaxPriority)
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return false;
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}
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if (ClientSocket.DataSocket(siLive) != NULL
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&& TRANSPONDER(Channel, m_Channel))
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res = true;
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else {
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res = prio && ClientSocket.ProvidesChannel(Channel, Priority);
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ndr = true;
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}
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if (NeedsDetachReceivers)
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*NeedsDetachReceivers = ndr;
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Dprintf("prov res = %d, ndr = %d\n", res, ndr);
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return res;
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}
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bool cStreamdevDevice::SetChannelDevice(const cChannel *Channel,
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bool LiveView) {
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Dprintf("SetChannelDevice Channel: %s, LiveView: %s\n", Channel->Name(),
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LiveView ? "true" : "false");
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LOCK_THREAD;
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m_UpdatePriority = ClientSocket.SupportsPrio();
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if (LiveView)
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return false;
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if (ClientSocket.DataSocket(siLive) != NULL
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&& TRANSPONDER(Channel, m_Channel)
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&& Channel->Ca() == CA_FTA
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&& m_Channel->Ca() == CA_FTA)
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return true;
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DetachAllReceivers();
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m_Channel = Channel;
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bool r = ClientSocket.SetChannelDevice(m_Channel);
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Dprintf("setchanneldevice r=%d\n", r);
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return r;
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}
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bool cStreamdevDevice::SetPid(cPidHandle *Handle, int Type, bool On) {
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Dprintf("SetPid, Pid=%d, Type=%d, On=%d, used=%d\n", Handle->pid, Type, On,
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Handle->used);
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LOCK_THREAD;
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m_UpdatePriority = ClientSocket.SupportsPrio();
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if (On && !m_TSBuffer) {
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Dprintf("SetPid: no data connection -> OpenDvr()");
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OpenDvrInt();
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}
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bool res = true;
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if (Handle->pid && (On || !Handle->used)) {
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res = ClientSocket.SetPid(Handle->pid, On);
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m_Pids += (!res) ? 0 : On ? 1 : -1;
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if (m_Pids < 0)
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m_Pids = 0;
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if(m_Pids < 1 && m_DvrClosed) {
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Dprintf("SetPid: 0 pids left -> CloseDvr()");
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CloseDvrInt();
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}
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}
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return res;
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}
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bool cStreamdevDevice::OpenDvrInt(void) {
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Dprintf("OpenDvrInt\n");
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LOCK_THREAD;
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CloseDvrInt();
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if (m_TSBuffer) {
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Dprintf("cStreamdevDevice::OpenDvrInt(): DVR connection already open\n");
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return true;
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}
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Dprintf("cStreamdevDevice::OpenDvrInt(): Connecting ...\n");
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if (ClientSocket.CreateDataConnection(siLive)) {
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m_TSBuffer = new cTSBuffer(*ClientSocket.DataSocket(siLive), MEGABYTE(2), CardIndex() + 1);
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return true;
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}
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esyslog("cStreamdevDevice::OpenDvrInt(): DVR connection FAILED");
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return false;
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}
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bool cStreamdevDevice::OpenDvr(void) {
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Dprintf("OpenDvr\n");
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LOCK_THREAD;
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m_DvrClosed = false;
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return OpenDvrInt();
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}
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void cStreamdevDevice::CloseDvrInt(void) {
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Dprintf("CloseDvrInt\n");
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LOCK_THREAD;
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if (ClientSocket.CheckConnection()) {
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if (!m_DvrClosed) {
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Dprintf("cStreamdevDevice::CloseDvrInt(): m_DvrClosed=false -> not closing yet\n");
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return;
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}
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if (m_Pids > 0) {
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Dprintf("cStreamdevDevice::CloseDvrInt(): %d active pids -> not closing yet\n", m_Pids);
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return;
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}
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} else {
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Dprintf("cStreamdevDevice::CloseDvrInt(): Control connection gone !\n");
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}
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Dprintf("cStreamdevDevice::CloseDvrInt(): Closing DVR connection\n");
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// Hack for VDR 1.5.x clients (sometimes sending ABRT after TUNE)
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// TODO: Find a clean solution to fix this
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ClientSocket.SetChannelDevice(m_Channel);
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ClientSocket.CloseDvr();
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DELETENULL(m_TSBuffer);
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}
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void cStreamdevDevice::CloseDvr(void) {
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Dprintf("CloseDvr\n");
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LOCK_THREAD;
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m_DvrClosed = true;
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CloseDvrInt();
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}
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bool cStreamdevDevice::GetTSPacket(uchar *&Data) {
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if (m_TSBuffer && m_Device) {
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Data = m_TSBuffer->Get();
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#if 1 // TODO: this should be fixed in vdr cTSBuffer
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// simple disconnect detection
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static int m_TSFails = 0;
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if (!Data) {
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LOCK_THREAD;
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if(!ClientSocket.DataSocket(siLive)) {
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return false; // triggers CloseDvr() + OpenDvr() in cDevice
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}
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cPoller Poller(*ClientSocket.DataSocket(siLive));
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errno = 0;
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if (Poller.Poll() && !errno) {
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char tmp[1];
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if (recv(*ClientSocket.DataSocket(siLive), tmp, 1, MSG_PEEK) == 0 && !errno) {
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esyslog("cStreamDevice::GetTSPacket: GetChecked: NOTHING (%d)", m_TSFails);
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m_TSFails++;
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if (m_TSFails > 10) {
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isyslog("cStreamdevDevice::GetTSPacket(): disconnected");
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m_Pids = 0;
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CloseDvrInt();
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m_TSFails = 0;
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return false;
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}
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return true;
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}
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}
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m_TSFails = 0;
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}
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#endif
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return true;
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}
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return false;
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}
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int cStreamdevDevice::OpenFilter(u_short Pid, u_char Tid, u_char Mask) {
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Dprintf("OpenFilter\n");
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if (!StreamdevClientSetup.StreamFilters)
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return -1;
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if (!ClientSocket.DataSocket(siLiveFilter)) {
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if (ClientSocket.CreateDataConnection(siLiveFilter)) {
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m_Filters->SetConnection(*ClientSocket.DataSocket(siLiveFilter));
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} else {
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isyslog("cStreamdevDevice::OpenFilter: connect failed: %m");
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return -1;
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}
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}
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if (ClientSocket.SetFilter(Pid, Tid, Mask, true))
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return m_Filters->OpenFilter(Pid, Tid, Mask);
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return -1;
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}
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bool cStreamdevDevice::Init(void) {
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if (m_Device == NULL && StreamdevClientSetup.StartClient)
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new cStreamdevDevice;
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return true;
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}
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bool cStreamdevDevice::ReInit(void) {
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if(m_Device) {
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m_Device->Lock();
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m_Device->m_Filters->SetConnection(-1);
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m_Device->m_Pids = 0;
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}
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ClientSocket.Quit();
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ClientSocket.Reset();
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if (m_Device != NULL) {
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//DELETENULL(m_Device->m_TSBuffer);
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m_Device->Unlock();
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}
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return StreamdevClientSetup.StartClient ? Init() : true;
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}
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void cStreamdevDevice::UpdatePriority(void) {
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if (m_Device) {
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m_Device->Lock();
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if (m_Device->m_UpdatePriority && ClientSocket.DataSocket(siLive)) {
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int Priority = m_Device->Priority();
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if (m_Device == cDevice::ActualDevice() && Priority < Setup.PrimaryLimit)
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Priority = Setup.PrimaryLimit;
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if (m_Device->m_Priority != Priority && ClientSocket.SetPriority(Priority))
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m_Device->m_Priority = Priority;
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}
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m_Device->Unlock();
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}
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}
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