[libav-bugs] [Bug 893] New: MPEG-TS no longer properly detected

bugzilla at libav.org bugzilla at libav.org
Tue Sep 15 20:42:03 CEST 2015


https://bugzilla.libav.org/show_bug.cgi?id=893

            Bug ID: 893
           Summary: MPEG-TS no longer properly detected
           Product: Libav
           Version: 11
          Hardware: X86
                OS: BSD
            Status: NEW
          Severity: normal
          Priority: ---
         Component: libavformat
          Assignee: bugzilla at libav.org
          Reporter: avcv at opal.com

I've recently upgraded to 11.4.

I am using abprobe/avconv to detect and extract MPEG program streams inside an
MPEG-TS container.  With 11.4, avprobe is failing to recognize some mpegts
files.  Running with -f mpegts gives "Invalid data found when processing
input".

These files used to be correctly detected by avprobe prior to the upgrade which
was 10.2, I think.  These files still also work with "mencoder -tsprog N".  So
I think the problem lies with libavformat rather than with errors in the files.

There appear to be 23 places in libavformat/mpegts.c where AVERROR_INVALIDDATA
is returned.

Any suggestions for how to debug this short of instrumenting each of these
error returns?

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