Merge branch 'master' into dvd_scale_test
[enigma2.git] / lib / dvb / demux.cpp
index 191d9c38354651effd335537de18afc522b0c5b7..a0f1c326a9522f768afa375a2a92dbb37194ba5b 100644 (file)
-#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");
+       else
+               source = fenum;
+       ::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);
+       source = -1;
+       ::close(fd);
+       return res;
+#endif
+       return 0;
+}
+
 RESULT eDVBDemux::createSectionReader(eMainloop *context, ePtr<iDVBSectionReader> &reader)
 {
        RESULT res;
@@ -38,9 +110,66 @@ RESULT eDVBDemux::createSectionReader(eMainloop *context, ePtr<iDVBSectionReader
        return res;
 }
 
-RESULT eDVBDemux::getMPEGDecoder(ePtr<iTSMPEGDecoder> &decoder)
+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)
+               return -EBUSY;
+       recorder = new eDVBTSRecorder(this);
+       return 0;
+}
+
+RESULT eDVBDemux::getMPEGDecoder(ePtr<iTSMPEGDecoder> &decoder, int primary)
+{
+       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)
+       {
+               eDebug("DMX_GET_STC failed!");
+               ::close(fd);
+               return -1;
+       }
+       
+       pts = stc.stc;
+       
+       eDebug("DMX_GET_STC - %lld", pts);
+       
+       ::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)
 {
-       decoder = new eTSMPEGDecoder(this, 0);
+       conn = new eConnection(this, m_event.connect(event));
        return 0;
 }
 
@@ -59,26 +188,25 @@ 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=eSocketNotifier::create(context, fd, eSocketNotifier::Read, false);
                CONNECT(notifier->activated, eDVBSectionReader::data);
                res = 0;
        } else
@@ -92,8 +220,6 @@ DEFINE_REF(eDVBSectionReader)
 
 eDVBSectionReader::~eDVBSectionReader()
 {
-       if (notifier)
-               delete notifier;
        if (fd >= 0)
                ::close(fd);
 }
@@ -104,6 +230,7 @@ RESULT eDVBSectionReader::start(const eDVBSectionFilterMask &mask)
        if (fd < 0)
                return -ENODEV;
 
+       notifier->start();
 #if HAVE_DVB_API_VERSION < 3
        dmxSctFilterParams sct;
 #else
@@ -127,6 +254,8 @@ 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);
@@ -151,9 +280,11 @@ RESULT eDVBSectionReader::stop()
 {
        if (!active)
                return -1;
-       
+
+       active=0;
        ::ioctl(fd, DMX_STOP);
-       
+       notifier->stop();
+
        return 0;
 }
 
@@ -162,3 +293,387 @@ RESULT eDVBSectionReader::connectRead(const Slot1<void,const __u8*> &r, ePtr<eCo
        conn = new eConnection(this, read.connect(r));
        return 0;
 }
+
+void eDVBPESReader::data(int)
+{
+       while (1)
+       {
+               __u8 buffer[16384];
+               int r;
+               r = ::read(m_fd, buffer, 16384);
+               if (!r)
+                       return;
+               if(r < 0)
+               {
+                       if (errno == EAGAIN || errno == EINTR) /* ok */
+                               return;
+                       eWarning("ERROR reading PES (fd=%d) - %m", m_fd);
+                       return;
+               }
+
+               if (m_active)
+                       m_read(buffer, r);
+               else
+                       eWarning("PES reader not active");
+               if (r != 16384)
+                       break;
+       }
+}
+
+eDVBPESReader::eDVBPESReader(eDVBDemux *demux, eMainloop *context, RESULT &res): m_demux(demux)
+{
+       char filename[128];
+       m_fd = m_demux->openDemux();
+       
+       if (m_fd >= 0)
+       {
+               ::ioctl(m_fd, DMX_SET_BUFFER_SIZE, 64*1024);
+               ::fcntl(m_fd, F_SETFL, O_NONBLOCK);
+               m_notifier = eSocketNotifier::create(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_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)
+               eWarning("PES filter: DMX_SET_PES_FILTER - %m");
+       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:
+       eDVBRecordFileThread();
+       void setTimingPID(int pid);
+       
+       void saveTimingInformation(const std::string &filename);
+protected:
+       int filterRecordData(const unsigned char *data, int len, size_t &current_span_remaining);
+private:
+       eMPEGStreamParserTS m_ts_parser;
+       eMPEGStreamInformation m_stream_info;
+       off_t m_current_offset;
+       int m_pid;
+};
+
+eDVBRecordFileThread::eDVBRecordFileThread()
+       :eFilePushThread(IOPRIO_CLASS_RT, 7), 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());
+}
+
+int eDVBRecordFileThread::filterRecordData(const unsigned char *data, int len, size_t &current_span_remaining)
+{
+       m_ts_parser.parseData(m_current_offset, data, len);
+       
+       m_current_offset += len;
+       
+       return len;
+}
+
+DEFINE_REF(eDVBTSRecorder);
+
+eDVBTSRecorder::eDVBTSRecorder(eDVBDemux *demux): m_demux(demux)
+{
+       m_running = 0;
+       m_target_fd = -1;
+       m_thread = new eDVBRecordFileThread();
+  CONNECT(m_thread->m_event, eDVBTSRecorder::filepushEvent);
+#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
+       while(true) {
+               if (::ioctl(m_source_fd, DMX_ADD_PID, pid) < 0) {
+                       perror("DMX_ADD_PID");
+                       if (errno == EAGAIN || errno == EINTR) {
+                               eDebug("retry!");
+                               continue;
+                       }
+               } else
+                       m_pids[pid] = 1;
+               break;
+       }
+#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)
+       {
+               while(true) {
+                       if (::ioctl(m_source_fd, DMX_REMOVE_PID, pid) < 0) {
+                               perror("DMX_REMOVE_PID");
+                               if (errno == EAGAIN || errno == EINTR) {
+                                       eDebug("retry!");
+                                       continue;
+                               }
+                       }
+                       break;
+               }
+       }
+#endif
+       m_pids[pid] = -1;
+}
+
+void eDVBTSRecorder::filepushEvent(int event)
+{
+       switch (event)
+       {
+       case eFilePushThread::evtWriteError:
+               m_event(eventWriteError);
+               break;
+       }
+}