X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/9a236ba05f412b3f6853f54c5665cf0e5398d7d3..3f9644531fb06a71290b65fbc97f9a8f29fd8076:/lib/dvb/demux.cpp

diff --git a/lib/dvb/demux.cpp b/lib/dvb/demux.cpp
index f24fcddc..f277468d 100644
--- a/lib/dvb/demux.cpp
+++ b/lib/dvb/demux.cpp
@@ -1,37 +1,104 @@
-#include <config.h>
 #include <stdio.h>
 #include <fcntl.h>
 #include <sys/ioctl.h>
 #include <errno.h>
 #include <unistd.h>
+#include <signal.h>
 
 #if HAVE_DVB_API_VERSION < 3
 #include <ost/dmx.h>
+
 #ifndef DMX_SET_NEGFILTER_MASK
 	#define DMX_SET_NEGFILTER_MASK   _IOW('o',48,uint8_t *)
 #endif
+
+#ifndef DMX_GET_STC
+	struct dmx_stc
+	{
+		unsigned int num;	/* input : which STC? O..N */
+		unsigned int base;	/* output: divisor for stc to get 90 kHz clock */
+		unsigned long long stc; /* output: src in 'base'*90 kHz units */
+	};
+	#define DMX_GET_STC		_IOR('o', 50, struct dmx_stc)
+#endif
+
 #else
 #include <linux/dvb/dmx.h>
+
+#define HAVE_ADD_PID
+
+#ifdef HAVE_ADD_PID
+#define DMX_ADD_PID              _IO('o', 51)
+#define DMX_REMOVE_PID           _IO('o', 52)
+
+typedef enum {
+	DMX_TAP_TS = 0,
+	DMX_TAP_PES = DMX_PES_OTHER, /* for backward binary compat. */
+} dmx_tap_type_t;
+
+#endif
+
 #endif
 
 #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>
 #include <lib/dvb/decoder.h>
+#include <lib/dvb/pvrparse.h>
 
 eDVBDemux::eDVBDemux(int adapter, int demux): adapter(adapter), demux(demux)
 {
+	m_dvr_busy = 0;
 }
 
 eDVBDemux::~eDVBDemux()
 {
 }
 
+int eDVBDemux::openDemux(void)
+{
+	char filename[128];
+#if HAVE_DVB_API_VERSION < 3
+	snprintf(filename, 128, "/dev/dvb/card%d/demux%d", adapter, demux);
+#else
+	snprintf(filename, 128, "/dev/dvb/adapter%d/demux%d", adapter, demux);
+#endif
+	return ::open(filename, O_RDWR);
+}
+
 DEFINE_REF(eDVBDemux)
 
+RESULT eDVBDemux::setSourceFrontend(int fenum)
+{
+#if HAVE_DVB_API_VERSION >= 3
+	int fd = openDemux();
+	
+	int n = DMX_SOURCE_FRONT0 + fenum;
+	int res = ::ioctl(fd, DMX_SET_SOURCE, &n);
+	if (res)
+		eDebug("DMX_SET_SOURCE failed! - %m");
+	::close(fd);
+	return res;
+#endif
+	return 0;
+}
+
+RESULT eDVBDemux::setSourcePVR(int pvrnum)
+{
+#if HAVE_DVB_API_VERSION >= 3
+	int fd = openDemux();
+	int n = DMX_SOURCE_DVR0 + pvrnum;
+	int res = ::ioctl(fd, DMX_SET_SOURCE, &n);
+	::close(fd);
+	return res;
+#endif
+	return 0;
+}
+
 RESULT eDVBDemux::createSectionReader(eMainloop *context, ePtr<iDVBSectionReader> &reader)
 {
 	RESULT res;
@@ -41,9 +108,54 @@ RESULT eDVBDemux::createSectionReader(eMainloop *context, ePtr<iDVBSectionReader
 	return res;
 }
 
-RESULT eDVBDemux::getMPEGDecoder(ePtr<iTSMPEGDecoder> &decoder)
+RESULT eDVBDemux::createTSRecorder(ePtr<iDVBTSRecorder> &recorder)
+{
+	if (m_dvr_busy)
+		return -EBUSY;
+	recorder = new eDVBTSRecorder(this);
+	return 0;
+}
+
+RESULT eDVBDemux::getMPEGDecoder(ePtr<iTSMPEGDecoder> &decoder, int primary)
 {
-	decoder = new eTSMPEGDecoder(this, 0);
+	decoder = new eTSMPEGDecoder(this, primary ? 0 : 1);
+	return 0;
+}
+
+RESULT eDVBDemux::getSTC(pts_t &pts, int num)
+{
+	int fd = openDemux();
+	
+	if (fd < 0)
+		return -ENODEV;
+
+	struct dmx_stc stc;
+	stc.num = num;
+	stc.base = 1;
+	
+	if (ioctl(fd, DMX_GET_STC, &stc) < 0)
+	{
+		::close(fd);
+		return -1;
+	}
+	
+	pts = stc.stc;
+	
+	::close(fd);
+	return 0;
+}
+
+RESULT eDVBDemux::flush()
+{
+	// FIXME: implement flushing the PVR queue here.
+	
+	m_event(evtFlush);
+	return 0;
+}
+
+RESULT eDVBDemux::connectEvent(const Slot1<void,int> &event, ePtr<eConnection> &conn)
+{
+	conn = new eConnection(this, m_event.connect(event));
 	return 0;
 }
 
@@ -62,26 +174,25 @@ 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)
 {
 	char filename[128];
-#if HAVE_DVB_API_VERSION < 3
-	sprintf(filename, "/dev/dvb/card%d/demux%d", demux->adapter, demux->demux);
-#else
-	sprintf(filename, "/dev/dvb/adapter%d/demux%d", demux->adapter, demux->demux);
-#endif
-	fd = ::open(filename, O_RDWR);
-	
-	eDebug("eDVBSectionReader has fd %d", fd);
+	fd = demux->openDemux();
 	
 	if (fd >= 0)
 	{
-		notifier=new eSocketNotifier(context, fd, eSocketNotifier::Read);
+		notifier=new eSocketNotifier(context, fd, eSocketNotifier::Read, false);
 		CONNECT(notifier->activated, eDVBSectionReader::data);
 		res = 0;
 	} else
@@ -107,6 +218,7 @@ RESULT eDVBSectionReader::start(const eDVBSectionFilterMask &mask)
 	if (fd < 0)
 		return -ENODEV;
 
+	notifier->start();
 #if HAVE_DVB_API_VERSION < 3
 	dmxSctFilterParams sct;
 #else
@@ -130,6 +242,8 @@ RESULT eDVBSectionReader::start(const eDVBSectionFilterMask &mask)
 	memcpy(sct.filter.mask, mask.mask, DMX_FILTER_SIZE);
 #if HAVE_DVB_API_VERSION >= 3
 	memcpy(sct.filter.mode, mask.mode, DMX_FILTER_SIZE);
+	if (::ioctl(fd, DMX_SET_BUFFER_SIZE, 8192*8) < 0)
+		eDebug("DMX_SET_BUFFER_SIZE failed(%m)");
 #endif
 	
 	res = ::ioctl(fd, DMX_SET_FILTER, &sct);
@@ -154,9 +268,11 @@ RESULT eDVBSectionReader::stop()
 {
 	if (!active)
 		return -1;
-	
+
+	active=0;
 	::ioctl(fd, DMX_STOP);
-	
+	notifier->stop();
+
 	return 0;
 }
 
@@ -165,3 +281,255 @@ RESULT eDVBSectionReader::connectRead(const Slot1<void,const __u8*> &r, ePtr<eCo
 	conn = new eConnection(this, read.connect(r));
 	return 0;
 }
+
+class eDVBRecordFileThread: public eFilePushThread
+{
+public:
+	eDVBRecordFileThread();
+	void setTimingPID(int pid);
+	
+	void saveTimingInformation(const std::string &filename);
+protected:
+	void filterRecordData(const unsigned char *data, int len);
+private:
+	eMPEGStreamParserTS m_ts_parser;
+	eMPEGStreamInformation m_stream_info;
+	off_t m_current_offset;
+	int m_pid;
+};
+
+eDVBRecordFileThread::eDVBRecordFileThread()
+	: m_ts_parser(m_stream_info)
+{
+	m_current_offset = 0;
+}
+
+void eDVBRecordFileThread::setTimingPID(int pid)
+{
+	m_ts_parser.setPid(pid);
+}
+
+void eDVBRecordFileThread::saveTimingInformation(const std::string &filename)
+{
+	m_stream_info.save(filename.c_str());
+}
+
+void eDVBRecordFileThread::filterRecordData(const unsigned char *data, int len)
+{
+	m_ts_parser.parseData(m_current_offset, data, len);
+	
+	m_current_offset += len;
+}
+
+DEFINE_REF(eDVBTSRecorder);
+
+eDVBTSRecorder::eDVBTSRecorder(eDVBDemux *demux): m_demux(demux)
+{
+	m_running = 0;
+	m_target_fd = -1;
+	m_thread = new eDVBRecordFileThread();
+#ifndef HAVE_ADD_PID
+	m_demux->m_dvr_busy = 1;
+#endif
+}
+
+eDVBTSRecorder::~eDVBTSRecorder()
+{
+	stop();
+	delete m_thread;
+#ifndef HAVE_ADD_PID
+	m_demux->m_dvr_busy = 0;
+#endif
+}
+
+RESULT eDVBTSRecorder::start()
+{
+	if (m_running)
+		return -1;
+	
+	if (m_target_fd == -1)
+		return -2;
+
+	char filename[128];
+#ifndef HAVE_ADD_PID
+#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;
+	}
+#else
+	snprintf(filename, 128, "/dev/dvb/adapter%d/demux%d", m_demux->adapter, m_demux->demux);
+
+	m_source_fd = ::open(filename, O_RDONLY);
+	
+	if (m_source_fd < 0)
+	{
+		eDebug("FAILED to open demux (%s) in ts recoder (%m)", filename);
+		return -3;
+	}
+	
+	::ioctl(m_source_fd, DMX_SET_BUFFER_SIZE, 1024*1024);
+
+	dmx_pes_filter_params flt;
+	flt.pes_type = (dmx_pes_type_t)DMX_TAP_TS;
+	flt.pid     = (__u16)-1;
+	flt.input   = DMX_IN_FRONTEND;
+	flt.output  = DMX_OUT_TAP;
+	flt.flags   = 0;
+	int res = ::ioctl(m_source_fd, DMX_SET_PES_FILTER, &flt);
+	if (res)
+	{
+		eDebug("DMX_SET_PES_FILTER: %m");
+		::close(m_source_fd);
+		return -3;
+	}
+	
+	::ioctl(m_source_fd, DMX_START);
+	
+#endif
+	
+	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::setTimingPID(int pid)
+{
+	if (m_running)
+		return -1;
+	m_thread->setTimingPID(pid);
+	return 0;
+}
+
+RESULT eDVBTSRecorder::setTargetFD(int fd)
+{
+	m_target_fd = fd;
+	return 0;
+}
+
+RESULT eDVBTSRecorder::setTargetFilename(const char *filename)
+{
+	m_target_filename = filename;
+	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);
+	m_source_fd = -1;
+	
+	if (m_target_filename != "")
+		m_thread->saveTimingInformation(m_target_filename + ".ap");
+	
+	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)
+{
+#ifndef HAVE_ADD_PID
+	int fd = m_demux->openDemux();
+	if (fd < 0)
+	{
+		eDebug("FAILED to open demux in ts recoder (%m)");
+		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;
+#else
+	if (::ioctl(m_source_fd, DMX_ADD_PID, pid))
+		perror("DMX_ADD_PID");
+	else
+		m_pids[pid] = 1;
+#endif
+	return 0;
+}
+
+void eDVBTSRecorder::stopPID(int pid)
+{
+#ifndef HAVE_ADD_PID
+	if (m_pids[pid] != -1)
+		::close(m_pids[pid]);
+#else
+	if (m_pids[pid] != -1)
+	{
+		if (::ioctl(m_source_fd, DMX_REMOVE_PID, pid))
+			perror("DMX_REMOVE_PID");
+	}
+#endif
+	m_pids[pid] = -1;
+}