X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/9a236ba05f412b3f6853f54c5665cf0e5398d7d3..4fcbd4dd4bee8c65b46b7185879c445beae6ca29:/lib/dvb/demux.cpp

diff --git a/lib/dvb/demux.cpp b/lib/dvb/demux.cpp
index f24fcddc..bdd8e67d 100644
--- a/lib/dvb/demux.cpp
+++ b/lib/dvb/demux.cpp
@@ -4,6 +4,8 @@
 #include <sys/ioctl.h>
 #include <errno.h>
 #include <unistd.h>
+#include <signal.h>
+
 
 #if HAVE_DVB_API_VERSION < 3
 #include <ost/dmx.h>
@@ -17,6 +19,7 @@
 #include "crc32.h"
 
 #include <lib/base/eerror.h>
+#include <lib/base/filepush.h>
 #include <lib/dvb/idvb.h>
 #include <lib/dvb/demux.h>
 #include <lib/dvb/esection.h>
@@ -24,6 +27,7 @@
 
 eDVBDemux::eDVBDemux(int adapter, int demux): adapter(adapter), demux(demux)
 {
+	m_dvr_busy = 0;
 }
 
 eDVBDemux::~eDVBDemux()
@@ -41,6 +45,14 @@ RESULT eDVBDemux::createSectionReader(eMainloop *context, ePtr<iDVBSectionReader
 	return res;
 }
 
+RESULT eDVBDemux::createTSRecorder(ePtr<iDVBTSRecorder> &recorder)
+{
+	if (m_dvr_busy)
+		return -EBUSY;
+	recorder = new eDVBTSRecorder(this);
+	return 0;
+}
+
 RESULT eDVBDemux::getMPEGDecoder(ePtr<iTSMPEGDecoder> &decoder)
 {
 	decoder = new eTSMPEGDecoder(this, 0);
@@ -62,9 +74,15 @@ void eDVBSectionReader::data(int)
 			// this check should never happen unless the driver is crappy!
 		unsigned int c;
 		if ((c = crc32((unsigned)-1, data, r)))
-			eFatal("crc32 failed! is %x\n", c);
+		{
+			eDebug("crc32 failed! is %x\n", c);
+			return;
+		}
 	}
-	read(data);
+	if (active)
+		read(data);
+	else
+		eDebug("data.. but not active");
 }
 
 eDVBSectionReader::eDVBSectionReader(eDVBDemux *demux, eMainloop *context, RESULT &res): demux(demux)
@@ -154,7 +172,8 @@ RESULT eDVBSectionReader::stop()
 {
 	if (!active)
 		return -1;
-	
+
+	active=0;
 	::ioctl(fd, DMX_STOP);
 	
 	return 0;
@@ -165,3 +184,163 @@ RESULT eDVBSectionReader::connectRead(const Slot1<void,const __u8*> &r, ePtr<eCo
 	conn = new eConnection(this, read.connect(r));
 	return 0;
 }
+
+DEFINE_REF(eDVBTSRecorder);
+
+eDVBTSRecorder::eDVBTSRecorder(eDVBDemux *demux): m_demux(demux)
+{
+	m_running = 0;
+	m_format = 0;
+	m_target_fd = -1;
+	m_thread = new eFilePushThread();
+	m_demux->m_dvr_busy = 1;
+}
+
+eDVBTSRecorder::~eDVBTSRecorder()
+{
+	stop();
+	delete m_thread;
+	m_demux->m_dvr_busy = 0;
+}
+
+RESULT eDVBTSRecorder::start()
+{
+	if (m_running)
+		return -1;
+	
+	if (m_target_fd == -1)
+		return -2;
+		
+	char filename[128];
+#if HAVE_DVB_API_VERSION < 3
+	snprintf(filename, 128, "/dev/dvb/card%d/dvr%d", m_demux->adapter, m_demux->demux);
+#else
+	snprintf(filename, 128, "/dev/dvb/adapter%d/dvr%d", m_demux->adapter, m_demux->demux);
+#endif
+	m_source_fd = ::open(filename, O_RDONLY);
+	
+	if (m_source_fd < 0)
+	{
+		eDebug("FAILED to open dvr (%s) in ts recoder (%m)", filename);
+		return -3;
+	}
+	
+	m_thread->start(m_source_fd, m_target_fd);
+	m_running = 1;
+	
+	for (std::map<int,int>::iterator i(m_pids.begin()); i != m_pids.end(); ++i)
+		startPID(i->first);
+	
+	return 0;
+}
+
+RESULT eDVBTSRecorder::addPID(int pid)
+{
+	if (m_pids.find(pid) != m_pids.end())
+		return -1;
+	
+	m_pids.insert(std::pair<int,int>(pid, -1));
+	if (m_running)
+		startPID(pid);
+	return 0;
+}
+
+RESULT eDVBTSRecorder::removePID(int pid)
+{
+	if (m_pids.find(pid) == m_pids.end())
+		return -1;
+		
+	if (m_running)
+		stopPID(pid);
+	
+	m_pids.erase(pid);
+	return 0;
+}
+
+RESULT eDVBTSRecorder::setFormat(int format)
+{
+	if (m_running)
+		return -1;
+	m_format = format;
+	return 0;
+}
+
+RESULT eDVBTSRecorder::setTargetFD(int fd)
+{
+	m_target_fd = fd;
+	return 0;
+}
+
+RESULT eDVBTSRecorder::setBoundary(off_t max)
+{
+	return -1; // not yet implemented
+}
+
+RESULT eDVBTSRecorder::stop()
+{
+	for (std::map<int,int>::iterator i(m_pids.begin()); i != m_pids.end(); ++i)
+		stopPID(i->first);
+
+	if (!m_running)
+		return -1;
+	m_thread->stop();
+	
+	close(m_source_fd);
+	
+	return 0;
+}
+
+RESULT eDVBTSRecorder::connectEvent(const Slot1<void,int> &event, ePtr<eConnection> &conn)
+{
+	conn = new eConnection(this, m_event.connect(event));
+	return 0;
+}
+
+RESULT eDVBTSRecorder::startPID(int pid)
+{
+	char filename[128];
+#if HAVE_DVB_API_VERSION < 3
+	snprintf(filename, 128, "/dev/dvb/card%d/demux%d", m_demux->adapter, m_demux->demux);
+#else
+	snprintf(filename, 128, "/dev/dvb/adapter%d/demux%d", m_demux->adapter, m_demux->demux);
+#endif
+	int fd = ::open(filename, O_RDWR);
+	if (fd < 0)
+	{
+		eDebug("FAILED to open demux (%s) in ts recoder (%m)", filename);
+		return -1;
+	}
+
+#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_TS_TAP;
+	
+	flt.flags   = DMX_IMMEDIATE_START;
+
+	int res = ::ioctl(fd, DMX_SET_PES_FILTER, &flt);
+	if (res < 0)
+	{
+		eDebug("set pes filter failed!");
+		::close(fd);
+		return -1;
+	}
+	m_pids[pid] = fd;
+
+	return 0;
+}
+
+void eDVBTSRecorder::stopPID(int pid)
+{
+	::close(m_pids[pid]);
+	m_pids[pid] = -1;
+}