110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/*
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* streamer.c: IPTV plugin for the Video Disk Recorder
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*
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* See the README file for copyright information and how to reach the author.
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*
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*/
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#include "common.h"
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#include "streamer.h"
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cIptvStreamer::cIptvStreamer(cIptvDeviceIf &deviceP, unsigned int packetLenP)
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: cThread("IPTV streamer"),
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sleepM(),
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deviceM(&deviceP),
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packetBufferLenM(packetLenP),
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protocolM(NULL)
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{
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debug("cIptvStreamer::%s(%d)", __FUNCTION__, packetBufferLenM);
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// Allocate packet buffer
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packetBufferM = MALLOC(unsigned char, packetBufferLenM);
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if (packetBufferM)
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memset(packetBufferM, 0, packetBufferLenM);
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else
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error("MALLOC() failed for packet buffer");
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}
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cIptvStreamer::~cIptvStreamer()
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{
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debug("cIptvStreamer::%s()", __FUNCTION__);
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// Close the protocol
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Close();
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protocolM = NULL;
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// Free allocated memory
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free(packetBufferM);
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}
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void cIptvStreamer::Action(void)
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{
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debug("cIptvStreamer::%s(): entering", __FUNCTION__);
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// Increase priority
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//SetPriority(-1);
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// Do the thread loop
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while (packetBufferM && Running()) {
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int length = -1;
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unsigned int size = min(deviceM->CheckData(), packetBufferLenM);
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if (protocolM && (size > 0))
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length = protocolM->Read(packetBufferM, size);
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if (length > 0) {
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AddStreamerStatistic(length);
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deviceM->WriteData(packetBufferM, length);
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}
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else
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sleepM.Wait(10); // to avoid busy loop and reduce cpu load
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}
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debug("cIptvStreamer::%s(): exiting", __FUNCTION__);
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}
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bool cIptvStreamer::Open(void)
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{
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debug("cIptvStreamer::%s()", __FUNCTION__);
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// Open the protocol
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if (protocolM && !protocolM->Open())
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return false;
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// Start thread
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Start();
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return true;
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}
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bool cIptvStreamer::Close(void)
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{
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debug("cIptvStreamer::%s()", __FUNCTION__);
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// Stop thread
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sleepM.Signal();
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if (Running())
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Cancel(3);
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// Close the protocol
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if (protocolM)
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protocolM->Close();
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return true;
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}
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bool cIptvStreamer::Set(const char* locationP, const int parameterP, const int indexP, cIptvProtocolIf* protocolP)
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{
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debug("cIptvStreamer::%s(%s, %d, %d)", __FUNCTION__, locationP, parameterP, indexP);
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if (!isempty(locationP)) {
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// Update protocol and set location and parameter; Close the existing one if changed
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if (protocolM != protocolP) {
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if (protocolM)
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protocolM->Close();
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protocolM = protocolP;
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if (protocolM) {
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protocolM->Set(locationP, parameterP, indexP);
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protocolM->Open();
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}
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}
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else if (protocolM)
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protocolM->Set(locationP, parameterP, indexP);
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}
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return true;
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}
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cString cIptvStreamer::GetInformation(void)
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{
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//debug("cIptvStreamer::%s()", __FUNCTION__);
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cString s;
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if (protocolM)
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s = protocolM->GetInformation();
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return s;
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}
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