Configurable buffer for live TV

HISTORY

@@ -1,6 +1,8 @@
 VDR Plugin 'streamdev' Revision History
 ---------------------------------------
  
+- New option for server side live TV buffer to prevent buffer underruns
+
 2013-11-28: Version 0.6.1
 
 - Updated Slovak translation (thanks to Milan Hrala)

README

@@ -228,6 +228,10 @@ of the other cards is idle (i.e. if it is not blocked by a recording). If all
 cards are in use (i.e. when something is recorded, or by multiple clients), this
 applies to Multiple-Card-Systems as well.
 
+If your client suffers from buffer underruns while watching live TV, you can
+configure buffering on the server side. Enter a reasonable value (e.g. 300ms)
+as "Live TV buffer delay (ms)" in the server setup.
+
 3.1 Usage HTTP server:
 ----------------------
 

server/livestreamer.c

@@ -11,6 +11,7 @@
 #include <vdr/ringbuffer.h>
 
 #include "server/livestreamer.h"
+#include "server/setup.h"
 #include "common.h"
 
 using namespace Streamdev;
@@ -534,6 +535,21 @@ void cStreamdevLiveStreamer::Receive(uchar *Data, int Length)
 		m_ReceiveBuffer->ReportOverflow(Length - p);
 }
 
+void cStreamdevLiveStreamer::Action(void)
+{
+	if (StreamdevServerSetup.LiveBufferMs) {
+		// wait for first data block
+		int count = 0;
+		while (Running()) {
+			if (m_ReceiveBuffer->Get(count) != NULL) {
+				cCondWait::SleepMs(StreamdevServerSetup.LiveBufferMs);
+				break;
+			}
+		}
+	}
+	cStreamdevStreamer::Action();
+}
+
 int cStreamdevLiveStreamer::Put(const uchar *Data, int Count) 
 {
 	// insert si data

server/livestreamer.h

@@ -38,6 +38,7 @@ protected:
 	virtual void DelFromReceiver(int Count) { m_ReceiveBuffer->Del(Count); }
 
 	virtual int Put(const uchar *Data, int Count);
+	virtual void Action(void);
 
 public:
 	cStreamdevLiveStreamer(int Priority, const cServerConnection *Connection);

server/po/de_DE.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: streamdev\n"
 "Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2013-11-02 16:55+0100\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2008-03-30 02:11+0200\n"
 "Last-Translator: Frank Schmirler <vdrdev@schmirler.de>\n"
 "Language-Team: German <vdr@linuxtv.org>\n"
@@ -40,6 +40,9 @@ msgstr "Live-TV beim Start pausieren"
 msgid "Maximum Number of Clients"
 msgstr "Maximalanzahl an Clients"
 
+msgid "Live TV buffer delay (ms)"
+msgstr "Live-TV Pufferdauer (ms)"
+
 msgid "VDR-to-VDR Server"
 msgstr "VDR-zu-VDR Server"
 
@@ -90,4 +93,3 @@ msgstr "Multicast Streamtyp"
 
 msgid "VDR Streaming Server"
 msgstr "VDR Streaming Server"
-

server/po/es_ES.po

@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: streamdev 0.5.0\n"
-"Report-Msgid-Bugs-To: <http://www.vdr-developer.org/mantisbt/>\n"
+"Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2012-03-31 15:06+0200\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2010-06-19 03:58+0100\n"
 "Last-Translator: Javier Bradineras <jbradi@hotmail.com>\n"
 "Language-Team: Spanish <vdr@linuxtv.org>\n"
@@ -16,9 +16,6 @@ msgstr ""
 "Content-Type: text/plain; charset=ISO-8859-15\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-msgid "VDR Streaming Server"
-msgstr "Servidor de transmisiones del VDR"
-
 msgid "Streaming active"
 msgstr "Trasmisión activa"
 
@@ -37,9 +34,15 @@ msgstr "Configuraci
 msgid "Hide Mainmenu Entry"
 msgstr ""
 
+msgid "Start with Live TV suspended"
+msgstr ""
+
 msgid "Maximum Number of Clients"
 msgstr "Numero máximo de clientes"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "Servidor VDR-a-VDR"
 
@@ -87,3 +90,6 @@ msgstr "Puerto del Cliente Multicast"
 
 msgid "Multicast Streamtype"
 msgstr "Tipo de flujo Multicast"
+
+msgid "VDR Streaming Server"
+msgstr "Servidor de transmisiones del VDR"

server/po/fi_FI.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: streamdev 0.5.0\n"
 "Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2012-03-31 15:06+0200\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2008-03-30 02:11+0200\n"
 "Last-Translator: Rolf Ahrenberg\n"
 "Language-Team: Finnish <vdr@linuxtv.org>\n"
@@ -16,9 +16,6 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-msgid "VDR Streaming Server"
-msgstr "VDR-suoratoistopalvelin"
-
 msgid "Streaming active"
 msgstr "Suoratoistopalvelin aktiivinen"
 
@@ -43,6 +40,9 @@ msgstr "Käynnistä Live-katselu pysäytettynä"
 msgid "Maximum Number of Clients"
 msgstr "Suurin sallittu asiakkaiden määrä"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "VDR-palvelin"
 
@@ -90,3 +90,6 @@ msgstr "Multicast-portti"
 
 msgid "Multicast Streamtype"
 msgstr "Multicast-lähetysmuoto"
+
+msgid "VDR Streaming Server"
+msgstr "VDR-suoratoistopalvelin"

server/po/fr_FR.po

@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: streamdev 0.5.0\n"
-"Report-Msgid-Bugs-To: <http://www.vdr-developer.org/mantisbt/>\n"
+"Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2012-03-31 15:06+0200\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2008-03-30 02:11+0200\n"
 "Last-Translator: micky979 <micky979@free.fr>\n"
 "Language-Team: French <vdr@linuxtv.org>\n"
@@ -16,9 +16,6 @@ msgstr ""
 "Content-Type: text/plain; charset=ISO-8859-15\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-msgid "VDR Streaming Server"
-msgstr "Serveur de streaming VDR"
-
 msgid "Streaming active"
 msgstr "Streaming actif"
 
@@ -37,9 +34,15 @@ msgstr "Param
 msgid "Hide Mainmenu Entry"
 msgstr ""
 
+msgid "Start with Live TV suspended"
+msgstr ""
+
 msgid "Maximum Number of Clients"
 msgstr "Nombre maximun de clients"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "VDR-to-VDR Serveur"
 
@@ -87,3 +90,6 @@ msgstr ""
 
 msgid "Multicast Streamtype"
 msgstr ""
+
+msgid "VDR Streaming Server"
+msgstr "Serveur de streaming VDR"

server/po/it_IT.po

@@ -8,18 +8,15 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: streamdev 0.5.0\n"
-"Report-Msgid-Bugs-To: <http://www.vdr-developer.org/mantisbt/>\n"
+"Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2012-06-13 08:51+0200\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2012-06-12 19:57+0100\n"
 "Last-Translator: Diego Pierotto <vdr-italian@tiscali.it>\n"
 "Language-Team: Italian <vdr@linuxtv.org>\n"
+"Language: it\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=utf-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"Language: it\n"
-
-msgid "VDR Streaming Server"
-msgstr "Server trasmissione VDR"
 
 msgid "Streaming active"
 msgstr "Trasmissione attiva"
@@ -39,9 +36,15 @@ msgstr "Impostazioni comuni"
 msgid "Hide Mainmenu Entry"
 msgstr "Nascondi voce menu principale"
 
+msgid "Start with Live TV suspended"
+msgstr ""
+
 msgid "Maximum Number of Clients"
 msgstr "Numero massimo di Client"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "Server VDR-a-VDR"
 
@@ -89,3 +92,6 @@ msgstr "Porta Client Multicast"
 
 msgid "Multicast Streamtype"
 msgstr "Tipo flusso Multicast"
+
+msgid "VDR Streaming Server"
+msgstr "Server trasmissione VDR"

server/po/lt_LT.po

@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: streamdev 0.5.0\n"
-"Report-Msgid-Bugs-To: <http://www.vdr-developer.org/mantisbt/>\n"
+"Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2012-03-31 15:06+0200\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2009-11-26 21:57+0200\n"
 "Last-Translator: Valdemaras Pipiras <varas@ambernet.lt>\n"
 "Language-Team: Lithuanian <vdr@linuxtv.org>\n"
@@ -16,9 +16,6 @@ msgstr ""
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-msgid "VDR Streaming Server"
-msgstr "VDR transliavimo serveris"
-
 msgid "Streaming active"
 msgstr "Transliavimas vyksta"
 
@@ -37,9 +34,15 @@ msgstr "Bendri nustatymai"
 msgid "Hide Mainmenu Entry"
 msgstr ""
 
+msgid "Start with Live TV suspended"
+msgstr ""
+
 msgid "Maximum Number of Clients"
 msgstr "Maksimalus klientų skaičius"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "VDR-su-VDR Serveris"
 
@@ -87,3 +90,6 @@ msgstr "Multicast kliento portas"
 
 msgid "Multicast Streamtype"
 msgstr "Multicast transliavimo tipas"
+
+msgid "VDR Streaming Server"
+msgstr "VDR transliavimo serveris"

server/po/ru_RU.po

@@ -6,8 +6,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: streamdev 0.5.0\n"
-"Report-Msgid-Bugs-To: <http://www.vdr-developer.org/mantisbt/>\n"
+"Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2012-03-31 15:06+0200\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2008-06-26 15:36+0100\n"
 "Last-Translator: Oleg Roitburd <oleg@roitburd.de>\n"
 "Language-Team: Russian <vdr@linuxtv.org>\n"
@@ -16,9 +16,6 @@ msgstr ""
 "Content-Type: text/plain; charset=ISO-8859-5\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-msgid "VDR Streaming Server"
-msgstr "VDR Streaming áÕàÒÕà"
-
 msgid "Streaming active"
 msgstr "ÁâàØÜØÝÓ ÐÚâØÒÕÝ"
 
@@ -37,9 +34,15 @@ msgstr "
 msgid "Hide Mainmenu Entry"
 msgstr ""
 
+msgid "Start with Live TV suspended"
+msgstr ""
+
 msgid "Maximum Number of Clients"
 msgstr "¼ÐÚá. ÚÞÛØçÕáâÒÞ ÚÛØÕÝâÞÒ"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "VDR-to-VDR áÕàÒÕà"
 
@@ -87,3 +90,6 @@ msgstr ""
 
 msgid "Multicast Streamtype"
 msgstr ""
+
+msgid "VDR Streaming Server"
+msgstr "VDR Streaming áÕàÒÕà"

server/po/sk_SK.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: streamdev_SK\n"
 "Report-Msgid-Bugs-To: <vdrdev@schmirler.de>\n"
-"POT-Creation-Date: 2013-11-22 23:07+0100\n"
+"POT-Creation-Date: 2014-05-05 22:46+0200\n"
 "PO-Revision-Date: 2013-11-22 23:39+0100\n"
 "Last-Translator: Milan Hrala <hrala.milan@gmail.com>\n"
 "Language-Team: Slovak <hrala.milan@gmail.com>\n"
@@ -42,6 +42,9 @@ msgstr "Pozastavi
 msgid "Maximum Number of Clients"
 msgstr "Maximály poèet klientov"
 
+msgid "Live TV buffer delay (ms)"
+msgstr ""
+
 msgid "VDR-to-VDR Server"
 msgstr "Prenos z VDR do VDR"
 
@@ -92,4 +95,3 @@ msgstr "Typ Multicast streamu"
 
 msgid "VDR Streaming Server"
 msgstr "VDR server streamovania"
-

server/setup.c

@@ -13,6 +13,7 @@ cStreamdevServerSetup::cStreamdevServerSetup(void) {
 	HideMenuEntry   = false;
 	MaxClients      = 5;
 	StartSuspended  = ssAuto;
+	LiveBufferMs    = 0;
 	StartVTPServer  = true;
 	VTPServerPort   = 2004;
 	VTPPriority     = 0;
@@ -35,6 +36,7 @@ bool cStreamdevServerSetup::SetupParse(const char *Name, const char *Value) {
 	if      (strcmp(Name, "HideMenuEntry") == 0)   HideMenuEntry   = atoi(Value);
 	else if (strcmp(Name, "MaxClients") == 0)      MaxClients      = atoi(Value);
 	else if (strcmp(Name, "StartSuspended") == 0)  StartSuspended  = atoi(Value);
+	else if (strcmp(Name, "LiveBufferMs") == 0)    LiveBufferMs    = atoi(Value);
 	else if (strcmp(Name, "StartServer") == 0)     StartVTPServer  = atoi(Value);
 	else if (strcmp(Name, "ServerPort") == 0)      VTPServerPort   = atoi(Value);
 	else if (strcmp(Name, "VTPPriority") == 0)     VTPPriority     = atoi(Value);
@@ -86,6 +88,7 @@ void cStreamdevServerMenuSetupPage::Set(void) {
 	Add(new cMenuEditBoolItem(tr("Hide Mainmenu Entry"),       &m_NewSetup.HideMenuEntry));
 	Add(new cMenuEditStraItem(tr("Start with Live TV suspended"),   &m_NewSetup.StartSuspended, ss_Count, StartSuspendedItems));
 	Add(new cMenuEditIntItem (tr("Maximum Number of Clients"), &m_NewSetup.MaxClients, 0, 100));
+	Add(new cMenuEditIntItem (tr("Live TV buffer delay (ms)"), &m_NewSetup.LiveBufferMs, 0, 1500));
 
 	
 	AddCategory (tr("VDR-to-VDR Server"));
@@ -142,6 +145,7 @@ void cStreamdevServerMenuSetupPage::Store(void) {
 	SetupStore("HideMenuEntry",   m_NewSetup.HideMenuEntry);
 	SetupStore("MaxClients",      m_NewSetup.MaxClients);
 	SetupStore("StartSuspended",  m_NewSetup.StartSuspended);
+	SetupStore("LiveBufferMs",    m_NewSetup.LiveBufferMs);
 	SetupStore("StartServer",     m_NewSetup.StartVTPServer);
 	SetupStore("ServerPort",      m_NewSetup.VTPServerPort);
 	SetupStore("VTPBindIP",       m_NewSetup.VTPBindIP);

server/setup.h

@@ -22,6 +22,7 @@ struct cStreamdevServerSetup {
 	int HideMenuEntry;
 	int MaxClients;
 	int StartSuspended;
+	int LiveBufferMs;
 	int StartVTPServer;
 	int VTPServerPort;
 	char VTPBindIP[20];

server/streamer.c

@@ -9,7 +9,6 @@
 
 #include "server/streamer.h"
 #include "server/suspend.h"
-#include "server/setup.h"
 #include "tools/socket.h"
 #include "tools/select.h"
 #include "common.h"