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TS Extractor: Fix problem with corrupt last PCR in recordings #9100

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TS Extractor: Fix problem with corrupt last PCR in recordings #9100

wants to merge 1 commit into from

Commits on Jun 22, 2021

  1. TS Extractor: Fix problem with corrupt last PCR in recordings 

    Some recorded TV shows are picking up a corrupt value for last PCR in the
file. The result is that the recording only plays for a few seconds. In
the example provided, the duration came out as a large negative number,
and the file played for a few seconds and then reported playback as complete.

The logic in TsDurationReader searches backwards in the file looking
for a valid PCR. Either it is picking up a corrupt value or it is
mis-interpreting other data as if it was a PCR.

The fix searches for two PCR values and performs a sanity check to
ensure they are within valid range before accepting the value. If they
are not valid, it continues searching until it finds valid values.
    @bennettpeter
    bennettpeter committed Jun 22, 2021
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