zapit/src/zapit.cpp: add support to use PiP on any transponder in file play mode -

only if no record running;
do not send capmt for PLAY mode, if playback is stopped and its not pmt update


Origin commit data
------------------
Branch: ni/coolstream
Commit: 11d77c3030
Author: [CST] Focus <focus.cst@gmail.com>
Date: 2013-10-17 (Thu, 17 Oct 2013)



------------------
This commit was generated by Migit

src/zapit/include/zapit/zapit.h

@@ -134,6 +134,7 @@ class CZapit : public OpenThreads::Thread
 		CZapitChannel * current_channel;
 		t_channel_id live_channel_id;
 		t_channel_id pip_channel_id;
+		t_channel_id lock_channel_id;
 		/* scan params */
 		TP_params TP;
 		fast_scan_type_t scant;

src/zapit/src/zapit.cpp

@@ -130,6 +130,7 @@ CZapit::CZapit()
 	current_volume = 100;
 	volume_percent = 0;
 	pip_channel_id = 0;
+	lock_channel_id = 0;
 	pip_fe = NULL;
 }
 
@@ -350,7 +351,7 @@ void CZapit::ConfigFrontend()
 
 void CZapit::SendPMT(bool forupdate)
 {
-	if(!current_channel)
+	if(!current_channel || (!forupdate && playbackStopForced))
 		return;
 
 	CCamManager::getInstance()->Start(current_channel->getChannelID(), CCamManager::PLAY, forupdate);
@@ -525,6 +526,7 @@ bool CZapit::ZapIt(const t_channel_id channel_id, bool forupdate, bool startplay
 	current_channel = newchannel;
 
 	live_channel_id = current_channel->getChannelID();
+	lock_channel_id = live_channel_id;
 	SaveSettings(false);
 
 	if(!TuneChannel(live_fe, newchannel, transponder_change)) {
@@ -534,7 +536,7 @@ bool CZapit::ZapIt(const t_channel_id channel_id, bool forupdate, bool startplay
 	}
 	SendEvent(CZapitClient::EVT_TUNE_COMPLETE, &live_channel_id, sizeof(t_channel_id));
 
-#if 0 // def ENABLE_PIP
+#ifdef ENABLE_PIP
 	if (transponder_change && (live_fe == pip_fe))
 		StopPip();
 #endif
@@ -598,7 +600,9 @@ bool CZapit::StartPip(const t_channel_id channel_id)
 {
 	CZapitChannel* newchannel;
 	bool transponder_change;
-
+	/* do lock if live is running, or in record mode -
+	   this is for the case temporary timeshift is running, it do not lock its frontend */
+	bool need_lock = !playbackStopForced || (currentMode & RECORD_MODE);
 
 	if((newchannel = CServiceManager::getInstance()->FindChannel(channel_id)) == NULL) {
 		INFO("channel_id " PRINTF_CHANNEL_ID_TYPE " not found", channel_id);
@@ -606,14 +610,22 @@ bool CZapit::StartPip(const t_channel_id channel_id)
 	}
 	INFO("[pip] zap to %s (%llx tp %llx)", newchannel->getName().c_str(), newchannel->getChannelID(), newchannel->getTransponderId());
 
+	if (need_lock)
 		CFEManager::getInstance()->lockFrontend(live_fe);
+
 	CFrontend * frontend = CFEManager::getInstance()->allocateFE(newchannel);
+
+	if (need_lock)
 		CFEManager::getInstance()->unlockFrontend(live_fe);
+
 	if(frontend == NULL) {
 		ERROR("Cannot get frontend\n");
 		return false;
 	}
 	StopPip();
+	if (!need_lock && !SAME_TRANSPONDER(newchannel->getChannelID(), live_channel_id))
+		live_channel_id = newchannel->getChannelID();
+
 	if(!TuneChannel(frontend, newchannel, transponder_change))
 		return false;
 
@@ -1605,12 +1617,20 @@ bool CZapit::ParseCommand(CBasicMessage::Header &rmsg, int connfd)
 		StopPlayBack(true);
 		standby = false;
 		playbackStopForced = true;
+		lock_channel_id = live_channel_id;
 		SendCmdReady(connfd);
 		break;
 	case CZapitMessages::CMD_SB_UNLOCK_PLAYBACK:
 		playbackStopForced = false;
+		if (lock_channel_id == live_channel_id) {
 			StartPlayBack(current_channel);
 			SendPMT();
+		} else {
+			live_fe->setTsidOnid(0);
+			ZapIt(lock_channel_id);
+			lock_channel_id = 0;
+		}
+
 		SendCmdReady(connfd);
 		break;
 #if 0