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| author | ghost <andreas.monzner@multimedia-labs.de> | 2010-12-02 17:58:15 +0100 |
|---|---|---|
| committer | ghost <andreas.monzner@multimedia-labs.de> | 2010-12-02 17:58:15 +0100 |
| commit | 654e9f170ac0db764a865f41983c925269d5c188 (patch) | |
| tree | 68038bdb652ced15d9430a90d16cf5db30057d41 /lib/dvb | |
| parent | 356d37043cbe1265a83c985e2cef7185daf74cb9 (diff) | |
| download | enigma2-654e9f170ac0db764a865f41983c925269d5c188.tar.gz enigma2-654e9f170ac0db764a865f41983c925269d5c188.zip | |
lib/dvb/esection.h: add handling for broken table version handling
Diffstat (limited to 'lib/dvb')
| -rw-r--r-- | lib/dvb/esection.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/dvb/esection.h b/lib/dvb/esection.h index 2bb17a98..b4782f81 100644 --- a/lib/dvb/esection.h +++ b/lib/dvb/esection.h @@ -100,6 +100,10 @@ class eAUTable: public eAUGTable int first; ePtr<iDVBDemux> m_demux; eMainloop *ml; + + /* needed to detect broken table version handling (seen on some m2ts files) */ + struct timespec m_prev_table_update; + int m_table_cnt; public: eAUTable() @@ -119,6 +123,7 @@ public: int begin(eMainloop *m, const eDVBTableSpec &spec, ePtr<iDVBDemux> demux) { + m_table_cnt = 0; ml = m; m_demux = demux; first= 1; @@ -197,6 +202,24 @@ public: if (current && (!current->getSpec(spec))) { + /* detect broken table version handling (seen on some m2ts files) */ + if (m_table_cnt) + { + if (abs(timeout_usec(m_prev_table_update)) > 500000) + m_table_cnt = -1; + else if (m_table_cnt > 1) // two pmt update within one second + { + eDebug("Seen two consecutive table version changes within 500ms. " + "This seems broken, so auto update for pid %04x, table %02x is now disabled!!", + spec.pid, spec.tid); + m_table_cnt = 0; + return; + } + } + + ++m_table_cnt; + clock_gettime(CLOCK_MONOTONIC, &m_prev_table_update); + next = new Table(); CONNECT(next->tableReady, eAUTable::slotTableReady); spec.flags &= ~(eDVBTableSpec::tfAnyVersion|eDVBTableSpec::tfThisVersion|eDVBTableSpec::tfHaveTimeout); |