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author | Matthias P. Braendli <matthias.braendli@mpb.li> | 2017-01-20 12:13:43 +0100 |
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committer | Matthias P. Braendli <matthias.braendli@mpb.li> | 2017-01-20 12:13:43 +0100 |
commit | ceb14883102e52daff611077adfe1b63837c3a76 (patch) | |
tree | 0a37d9d08065406fb83e401e68badb6a9b367edd | |
parent | 01c0f656cafd657abc4c9d538101cf1170619951 (diff) | |
download | dabmod-ceb14883102e52daff611077adfe1b63837c3a76.tar.gz dabmod-ceb14883102e52daff611077adfe1b63837c3a76.tar.bz2 dabmod-ceb14883102e52daff611077adfe1b63837c3a76.zip |
EDI input: decode timestamps
-rw-r--r-- | src/EtiReader.cpp | 12 | ||||
-rw-r--r-- | src/EtiReader.h | 5 | ||||
-rw-r--r-- | src/TimestampDecoder.cpp | 9 | ||||
-rw-r--r-- | src/TimestampDecoder.h | 6 |
4 files changed, 20 insertions, 12 deletions
diff --git a/src/EtiReader.cpp b/src/EtiReader.cpp index de23142..0b27126 100644 --- a/src/EtiReader.cpp +++ b/src/EtiReader.cpp @@ -291,6 +291,11 @@ bool EtiReader::sourceContainsTimestamp() /* See ETS 300 799, Annex C.2.2 */ } +void EtiReader::calculateTimestamp(struct frame_timestamp& ts) +{ + myTimestampDecoder.calculateTimestamp(ts); +} + uint32_t EtiReader::getPPSOffset() { if (!sourceContainsTimestamp()) { @@ -357,6 +362,7 @@ bool EdiReader::sourceContainsTimestamp() void EdiReader::calculateTimestamp(struct frame_timestamp& ts) { + m_timestamp_decoder.calculateTimestamp(ts); } bool EdiReader::isFrameReady() @@ -521,8 +527,12 @@ void EdiReader::assemble() /* According to Annex F * EDI = UTC + UTCO * We need UTC = EDI - UTCO + * + * The seconds value is given in number of seconds since + * 1.1.2000 */ - auto utc_ts = m_seconds - m_utco; + const std::time_t posix_timestamp_1_jan_2000 = 946684800; + auto utc_ts = posix_timestamp_1_jan_2000 + m_seconds - m_utco; m_timestamp_decoder.updateTimestampEdi( utc_ts, m_fc.tsta, m_fc.fct()); diff --git a/src/EtiReader.h b/src/EtiReader.h index 5231365..892afb4 100644 --- a/src/EtiReader.h +++ b/src/EtiReader.h @@ -88,10 +88,7 @@ public: int loadEtiData(const Buffer& dataIn); virtual bool sourceContainsTimestamp(); - virtual void calculateTimestamp(struct frame_timestamp& ts) - { - myTimestampDecoder.calculateTimestamp(ts); - } + virtual void calculateTimestamp(struct frame_timestamp& ts); virtual const std::vector<std::shared_ptr<SubchannelSource> > getSubchannels() const; diff --git a/src/TimestampDecoder.cpp b/src/TimestampDecoder.cpp index 42d53ab..eb3a848 100644 --- a/src/TimestampDecoder.cpp +++ b/src/TimestampDecoder.cpp @@ -34,8 +34,8 @@ #include "Eti.h" #include "Log.h" -//#define MDEBUG(fmt, args...) fprintf (LOG, "*****" fmt , ## args) -#define MDEBUG(fmt, args...) PDEBUG(fmt, ## args) +//#define MDEBUG(fmt, args...) fprintf (LOG, "*****" fmt , ## args) +#define MDEBUG(fmt, args...) PDEBUG(fmt, ## args) void TimestampDecoder::calculateTimestamp(struct frame_timestamp& ts) @@ -44,7 +44,7 @@ void TimestampDecoder::calculateTimestamp(struct frame_timestamp& ts) std::make_shared<struct frame_timestamp>(); /* Push new timestamp into queue */ - ts_queued->timestamp_valid = full_timestamp_received_mnsc; + ts_queued->timestamp_valid = full_timestamp_received; ts_queued->timestamp_sec = time_secs; ts_queued->timestamp_pps = time_pps; ts_queued->fct = latestFCT; @@ -144,7 +144,7 @@ void TimestampDecoder::pushMNSCData(int framephase, uint16_t mnsc) if (enableDecode) { - full_timestamp_received_mnsc = true; + full_timestamp_received = true; updateTimestampSeconds(mktime(&temp_time)); } break; @@ -205,6 +205,7 @@ void TimestampDecoder::updateTimestampEdi( updateTimestampPPS(pps); time_secs = seconds_utc; latestFCT = fct; + full_timestamp_received = true; } void TimestampDecoder::set_parameter( diff --git a/src/TimestampDecoder.h b/src/TimestampDecoder.h index a822ee5..f2299f2 100644 --- a/src/TimestampDecoder.h +++ b/src/TimestampDecoder.h @@ -121,7 +121,7 @@ class TimestampDecoder : public RemoteControllable time_secs = 0; latestFCT = 0; enableDecode = false; - full_timestamp_received_mnsc = false; + full_timestamp_received = false; gmtime_r(0, &temp_time); offset_changed = false; @@ -193,8 +193,8 @@ class TimestampDecoder : public RemoteControllable */ bool enableDecode; - /* Disable timstamps until full time has been received in mnsc */ - bool full_timestamp_received_mnsc; + /* Disable timstamps until full time has been received */ + bool full_timestamp_received; /* when pipelining, we must shift the calculated timestamps * through this queue. Otherwise, it would not be possible to |