From: Felix Domke <tmbinc@elitedvb.net>
Date: Fri, 12 May 2006 15:37:35 +0000 (+0000)
Subject: add PES reader
X-Git-Tag: 2.6.0~3442
X-Git-Url: https://git.cweiske.de/enigma2.git/commitdiff_plain/d80bb0a6b9862171d9901b6b19347b5e9f6279cd

add PES reader
---

diff --git a/lib/dvb/demux.cpp b/lib/dvb/demux.cpp
index f277468d..ca9736ce 100644
--- a/lib/dvb/demux.cpp
+++ b/lib/dvb/demux.cpp
@@ -108,6 +108,15 @@ RESULT eDVBDemux::createSectionReader(eMainloop *context, ePtr<iDVBSectionReader
 	return res;
 }
 
+RESULT eDVBDemux::createPESReader(eMainloop *context, ePtr<iDVBPESReader> &reader)
+{
+	RESULT res;
+	reader = new eDVBPESReader(this, context, res);
+	if (res)
+		reader = 0;
+	return res;
+}
+
 RESULT eDVBDemux::createTSRecorder(ePtr<iDVBTSRecorder> &recorder)
 {
 	if (m_dvr_busy)
@@ -282,6 +291,100 @@ RESULT eDVBSectionReader::connectRead(const Slot1<void,const __u8*> &r, ePtr<eCo
 	return 0;
 }
 
+void eDVBPESReader::data(int)
+{
+	while (1)
+	{
+		__u8 data[4096];
+		int r;
+		r = ::read(m_fd, data, 4096);
+		if (!r)
+			break;
+		if(r < 0)
+		{
+			eWarning("ERROR reading section - %m\n");
+			return;
+		}
+		if (m_active)
+			m_read(data, r);
+	}
+}
+
+eDVBPESReader::eDVBPESReader(eDVBDemux *demux, eMainloop *context, RESULT &res): m_demux(demux)
+{
+	char filename[128];
+	m_fd = m_demux->openDemux();
+	
+	if (m_fd >= 0)
+	{
+		m_notifier = new eSocketNotifier(context, m_fd, eSocketNotifier::Read, false);
+		CONNECT(m_notifier->activated, eDVBPESReader::data);
+		res = 0;
+	} else
+	{
+		perror(filename);
+		res = errno;
+	}
+}
+
+DEFINE_REF(eDVBPESReader)
+
+eDVBPESReader::~eDVBPESReader()
+{
+	if (m_notifier)
+		delete m_notifier;
+	if (m_fd >= 0)
+		::close(m_fd);
+}
+
+RESULT eDVBPESReader::start(int pid)
+{
+	RESULT res;
+	if (m_fd < 0)
+		return -ENODEV;
+
+	m_notifier->start();
+
+#if HAVE_DVB_API_VERSION < 3
+	dmxPesFilterParams flt;
+	
+	flt.pesType = DMX_PES_OTHER;
+#else
+	dmx_pes_filter_params flt;
+	
+	flt.pes_type = DMX_PES_OTHER;
+#endif
+
+	flt.pid     = pid;
+	flt.input   = DMX_IN_FRONTEND;
+	flt.output  = DMX_OUT_TAP;
+	
+	flt.flags   = DMX_IMMEDIATE_START;
+
+	res = ::ioctl(m_fd, DMX_SET_PES_FILTER, &flt);
+	if (!res)
+		m_active = 1;
+	return res;
+}
+
+RESULT eDVBPESReader::stop()
+{
+	if (!m_active)
+		return -1;
+
+	m_active=0;
+	::ioctl(m_fd, DMX_STOP);
+	m_notifier->stop();
+
+	return 0;
+}
+
+RESULT eDVBPESReader::connectRead(const Slot2<void,const __u8*,int> &r, ePtr<eConnection> &conn)
+{
+	conn = new eConnection(this, m_read.connect(r));
+	return 0;
+}
+
 class eDVBRecordFileThread: public eFilePushThread
 {
 public:
diff --git a/lib/dvb/demux.h b/lib/dvb/demux.h
index b14dfd26..ee731ef8 100644
--- a/lib/dvb/demux.h
+++ b/lib/dvb/demux.h
@@ -18,6 +18,7 @@ public:
 	RESULT setSourcePVR(int pvrnum);
 	
 	RESULT createSectionReader(eMainloop *context, ePtr<iDVBSectionReader> &reader);
+	RESULT createPESReader(eMainloop *context, ePtr<iDVBPESReader> &reader);
 	RESULT createTSRecorder(ePtr<iDVBTSRecorder> &recorder);
 	RESULT getMPEGDecoder(ePtr<iTSMPEGDecoder> &reader, int primary);
 	RESULT getSTC(pts_t &pts, int num);
@@ -31,6 +32,7 @@ private:
 	
 	int m_dvr_busy;
 	friend class eDVBSectionReader;
+	friend class eDVBPESReader;
 	friend class eDVBAudio;
 	friend class eDVBVideo;
 	friend class eDVBPCR;
@@ -62,6 +64,24 @@ public:
 	RESULT connectRead(const Slot1<void,const __u8*> &read, ePtr<eConnection> &conn);
 };
 
+class eDVBPESReader: public iDVBPESReader, public Object
+{
+	DECLARE_REF(eDVBPESReader);
+private:
+	int m_fd;
+	Signal2<void, const __u8*, int> m_read;
+	ePtr<eDVBDemux> m_demux;
+	int m_active;
+	void data(int);
+	eSocketNotifier *m_notifier;
+public:
+	eDVBPESReader(eDVBDemux *demux, eMainloop *context, RESULT &res);
+	virtual ~eDVBPESReader();
+	RESULT start(int pid);
+	RESULT stop();
+	RESULT connectRead(const Slot2<void,const __u8*, int> &read, ePtr<eConnection> &conn);
+};
+
 class eDVBRecordFileThread;
 
 class eDVBTSRecorder: public iDVBTSRecorder, public Object
diff --git a/lib/dvb/idemux.h b/lib/dvb/idemux.h
index 85119925..b04ad000 100644
--- a/lib/dvb/idemux.h
+++ b/lib/dvb/idemux.h
@@ -53,6 +53,15 @@ public:
 	virtual ~iDVBSectionReader() { };
 };
 
+class iDVBPESReader: public iObject
+{
+public:
+	virtual RESULT start(int pid)=0;
+	virtual RESULT stop()=0;
+	virtual RESULT connectRead(const Slot2<void,const __u8*, int> &read, ePtr<eConnection> &conn)=0;
+	virtual ~iDVBPESReader() { };
+};
+
 	/* records a given set of pids into a file descriptor. */
 	/* the FD must not be modified between start() and stop() ! */
 class iDVBTSRecorder: public iObject
diff --git a/lib/dvb/idvb.h b/lib/dvb/idvb.h
index 0326c60f..06080429 100644
--- a/lib/dvb/idvb.h
+++ b/lib/dvb/idvb.h
@@ -552,6 +552,7 @@ public:
 };
 
 class iDVBSectionReader;
+class iDVBPESReader;
 class iDVBTSRecorder;
 class iTSMPEGDecoder;
 
@@ -559,6 +560,7 @@ class iDVBDemux: public iObject
 {
 public:
 	virtual RESULT createSectionReader(eMainloop *context, ePtr<iDVBSectionReader> &reader)=0;
+	virtual RESULT createPESReader(eMainloop *context, ePtr<iDVBPESReader> &reader)=0;
 	virtual RESULT createTSRecorder(ePtr<iDVBTSRecorder> &recorder)=0;
 	virtual RESULT getMPEGDecoder(ePtr<iTSMPEGDecoder> &reader, int primary=1)=0;
 	virtual RESULT getSTC(pts_t &pts, int num=0)=0;