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authorMatthias P. Braendli <matthias.braendli@mpb.li>2017-01-20 12:13:43 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2017-01-20 12:13:43 +0100
commitceb14883102e52daff611077adfe1b63837c3a76 (patch)
tree0a37d9d08065406fb83e401e68badb6a9b367edd /src
parent01c0f656cafd657abc4c9d538101cf1170619951 (diff)
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EDI input: decode timestamps
Diffstat (limited to 'src')
-rw-r--r--src/EtiReader.cpp12
-rw-r--r--src/EtiReader.h5
-rw-r--r--src/TimestampDecoder.cpp9
-rw-r--r--src/TimestampDecoder.h6
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