[mythtv] dvb with id 0x17c0 not playing correctly

Mark Spieth mark at digivation.com.au
Mon Dec 8 22:21:40 UTC 2008


>Yes, it leaks memory for unidentified data streams. See
>http://svn.mythtv.org/trac/ticket/5971 for reference. I haven't checked why
>ffmpeg doesn't leaks.

I checked various things including the utils.c mod which you have since 
reverted.
my upgrade was from 19090 to 19244 so this was the range I was checking 
various things.

>
>> as a temp fix Ive found this works (minor revert)
>> mythcommflag log with libav also follows
>
>See http://cvs.mythtv.org/trac/changeset/19279 for a better fix or send the
>output of
>
>dvbsnoop -if $FILE -s ts -N 2 -tssubdecode $PMT_PID
>

I assume this is the bit you want. I suspect its some sort of MHEG data as 
this channel has this feature.

            Stream_type: 6 (0x06)  [= ITU-T Rec. H.222.0 | ISO/IEC 13818-1 
PES packets containing private data]
            reserved_1: 7 (0x07)
            Elementary_PID: 6080 (0x17c0)
            reserved_2: 15 (0x0f)
            ES_info_length: 8 (0x0008)

                  DVB-DescriptorTag: 195 (0xc3)  [= User defined]
                  descriptor_length: 3 (0x03)
                  Descriptor-data:
                       0000:  fa 01 f7 
...

                  DVB-DescriptorTag: 82 (0x52)  [= 
stream_identifier_descriptor]
                  descriptor_length: 1 (0x01)
                  component_tag: 63 (0x3f)

cheers
mark



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