[dvblast-devel] tsdecrypt

[JULIAN GARDNER]

thanks for the quick fix will git it a test later tonight

joolz
ps. great programs by the way, will have to buy you a beer or two if we ever bump into one another, or i could just send a case :-)




>________________________________
> From: Georgi Chorbadzhiyski <gf at unixsol.org>
>To: Mailing list for DVBlast developers <dvblast-devel at videolan.org> 
>Cc: JULIAN GARDNER <joolzg at btinternet.com> 
>Sent: Wednesday, 25 January 2012, 16:44
>Subject: Re: [dvblast-devel] tsdecrypt
> 
>Around 01/25/2012 04:59 PM, Georgi Chorbadzhiyski scribbled:
>> Around 01/24/2012 04:19 PM, JULIAN GARDNER scribbled:
>>> Ive just checked the stream in TSreader and i can see the CAT and PMT are ok, as in the CA Desciptor is present.
>>>
>>> Whats missing are the pids from the PMT
>>>
>>> debug: setting filter on PID 939
>>> debug: setting filter on PID 938
>>> debug: new PMT program=930 version=1 pcrpid=939
>>> debug:   * ES pid=939 streamtype=0x02 streamtype_txt="13818-2 video (MPEG-2)"
>>> debug:     - desc 09 ca sysid=0x500 pid=80
>>> debug:     - desc 09 ca sysid=0x500 pid=92
>>> debug:     - desc 09 ca sysid=0x500 pid=130
>>> debug:   * ES pid=938 streamtype=0x03 streamtype_txt="11172-3 audio (MPEG-1)"
>>> debug:     - desc 0a audio_language language=swe audiotype=0 audiotype_txt="undefined"
>>> debug:     - desc 09 ca sysid=0x500 pid=80
>>> debug:     - desc 09 ca sysid=0x500 pid=92
>>> debug:     - desc 09 ca sysid=0x500 pid=130
>>> debug: end PMT
>>> debug: setting filter on PID 55
>>> debug: setting filter on PID 49
>>> debug: new CAT version=2
>>> debug:     - desc 09 ca sysid=0x500 pid=55
>>> debug:     - desc 09 ca sysid=0x500 pid=49
>>> debug: end CAT
>>>
>>> Now the pids 80, 92 and 130 are needed, but as seen in the log they are not in the output stream
>>>
>>> If i add these to the dvb.conf it works
>> 
>> Ok, I think I see what is going on. Since CA descriptor is per ES we seem to miss it.
>> When the CA descriptor is in main PMT loop like this:
>> 
>> debug: new PMT program=1815 version=7 pcrpid=514
>> debug:     - desc 09 ca sysid=0xb00 pid=51
>> debug:   * ES pid=218 streamtype=0x03 streamtype_txt="11172-3 audio (MPEG-1)"
>> debug:     - desc 52 stream_identifier component_tag=1
>> debug:     - desc 0a audio_language language=eng audiotype=1 audiotype_txt="clean effects"
>> debug:   * ES pid=514 streamtype=0x02 streamtype_txt="13818-2 video (MPEG-2)"
>> debug:     - desc 52 stream_identifier component_tag=0
>> debug:     - desc 02 video_stream multiple_frame_rate=0 frame_rate_code=3 frame_rate_txt="25.00" mpeg1_only=0 constraint_parameter=1 still_picture=0 profile=4 profile_txt="Main" level=8 level_txt="Main" chroma_format=1 chroma_format_txt="4:2:0" frame_rate_extension=0
>> debug: end PMT
>> 
>> it is working.
>> 
>> I'm working on a fix right now.
>
>Ok, the fix is pushed to master. I have tested it with MTV package on Astra
>and all ECM pids are forwarded as expected. I fixed similar bug tsdecrypt
>CA parsing code couple of months ago but it never occurred to me to look in
>dvblast for the similar problem.
>
>-- 
>Georgi Chorbadzhiyski
>http://georgi.unixsol.org/
>
>
>
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