#include <sys/ioctl.h>
#include <errno.h>
#include <unistd.h>
+#include <signal.h>
+// #define FUZZING 1
+
+#if FUZZING
+ /* change every 1:FUZZING_PROPABILITY byte */
+#define FUZZING_PROPABILITY 100
+#endif
+
+#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), ref(0)
+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;
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;
}
__u8 data[4096]; // max. section size
int r;
r = ::read(fd, data, 4096);
+#if FUZZING
+ int j;
+ for (j = 0; j < r; ++j)
+ {
+ if (!(rand()%FUZZING_PROPABILITY))
+ data[j] ^= rand();
+ }
+#endif
if(r < 0)
{
eWarning("ERROR reading section - %m\n");
// 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): ref(0), demux(demux)
+eDVBSectionReader::eDVBSectionReader(eDVBDemux *demux, eMainloop *context, RESULT &res): demux(demux)
{
char filename[128];
- sprintf(filename, "/dev/dvb/adapter%d/demux%d", demux->adapter, demux->demux);
- fd = ::open(filename, O_RDWR);
+ 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
eDVBSectionReader::~eDVBSectionReader()
{
- if (notifier)
- delete notifier;
if (fd >= 0)
::close(fd);
}
if (fd < 0)
return -ENODEV;
+ notifier->start();
+#if HAVE_DVB_API_VERSION < 3
+ dmxSctFilterParams sct;
+#else
dmx_sct_filter_params sct;
-
+#endif
sct.pid = mask.pid;
sct.timeout = 0;
+#if HAVE_DVB_API_VERSION < 3
+ sct.flags = 0;
+#else
sct.flags = DMX_IMMEDIATE_START;
+#endif
+#if !FUZZING
if (mask.flags & eDVBSectionFilterMask::rfCRC)
{
sct.flags |= DMX_CHECK_CRC;
checkcrc = 1;
} else
+#endif
checkcrc = 0;
memcpy(sct.filter.filter, mask.data, DMX_FILTER_SIZE);
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);
if (!res)
+ {
+#if HAVE_DVB_API_VERSION < 3
+ res = ::ioctl(fd, DMX_SET_NEGFILTER_MASK, mask.mode);
+ if (!res)
+ {
+ res = ::ioctl(fd, DMX_START, 0);
+ if (!res)
+ active = 1;
+ }
+#else
active = 1;
+#endif
+ }
return res;
}
{
if (!active)
return -1;
-
+
+ active=0;
::ioctl(fd, DMX_STOP);
-
+ notifier->stop();
+
return 0;
}
RESULT eDVBSectionReader::connectRead(const Slot1<void,const __u8*> &r, ePtr<eConnection> &conn)
{
- conn = new eConnection(read.connect(r));
+ 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, int type);
+
+ void startSaveMetaInformation(const std::string &filename);
+ void stopSaveMetaInformation();
+ int getLastPTS(pts_t &pts);
+protected:
+ int filterRecordData(const unsigned char *data, int len, size_t ¤t_span_remaining);
+private:
+ eMPEGStreamParserTS m_ts_parser;
+ eMPEGStreamInformation m_stream_info;
+ off_t m_current_offset;
+ pts_t m_last_pcr; /* very approximate.. */
+ 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, int type)
+{
+ m_ts_parser.setPid(pid, type);
+}
+
+void eDVBRecordFileThread::startSaveMetaInformation(const std::string &filename)
+{
+ m_stream_info.startSave(filename.c_str());
+}
+
+void eDVBRecordFileThread::stopSaveMetaInformation()
+{
+ m_stream_info.stopSave();
+}
+
+int eDVBRecordFileThread::getLastPTS(pts_t &pts)
+{
+ return m_ts_parser.getLastPTS(pts);
+}
+
+int eDVBRecordFileThread::filterRecordData(const unsigned char *data, int len, size_t ¤t_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
+
+ if (m_target_filename != "")
+ m_thread->startSaveMetaInformation(m_target_filename);
+
+ 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, int type)
+{
+ if (m_running)
+ return -1;
+ m_thread->setTimingPID(pid, type);
+ 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;
+
+ m_thread->stopSaveMetaInformation();
+
+ return 0;
+}
+
+RESULT eDVBTSRecorder::getCurrentPCR(pts_t &pcr)
+{
+ if (!m_running)
+ return 0;
+ if (!m_thread)
+ return 0;
+ /* XXX: we need a lock here */
+
+ /* we don't filter PCR data, so just use the last received PTS, which is not accurate, but better than nothing */
+ return m_thread->getLastPTS(pcr);
+}
+
+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;
+ }
+}
git.cweiske.de / enigma2.git / blobdiff