[MPlayer-dev-eng] Re: Mplayer unable to play MPEG2-TS over RTP (Was: Mplayer as a Client for VideoLAN server)

Nico nsabbi at libero.it
Sun Jul 20 23:12:33 CEST 2003


Same mess when VLS streams an mpeg2-ps  (at least in my case).

Rett, can you please tell us what happens when you stream a -PS file?

If you run mplayer with  -dumpvideo
then compare stream.dump with the original file, are they identical  ?

Thanks,
            Nico

Nico wrote:

>
>
> Arpi wrote:
>
>> Hi,
>>
>>  
>>
>>>> could you please describe what is teh problem exactly?
>>>> ie with what parameters mplayer is run and what demuxer is used 
>>>> with what
>>>> settings? i dont really understand why does demuxre buffer overrun 
>>>> without
>>>> -nosound or -novideo or audio/video codec failing?
>>>>
>>>>
>>>>     
>>>
>>> I reproduced Rett's configuration on my pc: VLS streaming a TS file 
>>> via rtp to 127.0.0.1:1234 (his was a  multicast configuration),
>>> then ran
>>>
>>> ./mplayer sdp://file.sdp        (many A/V corruptions)
>>>
>>> and after that
>>>
>>> ./mplayer sdp://file.sdp -dumpfile x.ts -dumpvideo   (A/V data is 
>>> multiplexed as TS on demuxer->video, which when run without 
>>> -dumpvideo sends its data to demux_ts)
>>>
>>> now I can see that the dump is totally broken.
>>>   
>>
>>
>> Ugh. Now i see why do you want to link demuxers.
>> So it's a bug in either the server, or the demux_rtp.cpp (live.com mess)
>>
>> Btw if it's an raw rtp streaming, why don't you use rtp:// url's?
>> (it works at least with dvbstream streaming)
>>
>>  
>>
> It doesn't work, because  VLS doesn't provide certain informations
> (it was Ross to explain it and to suggest to use an sdp file).
>
> (g2's rtp:// works, but shows the same mess.)
>
> dvbstream seems to be using a different method
>
>>  
>>
>>> In a previous mail  Rett wrote that following this method his 
>>> videodump was a perfect copy of the original TS file,
>>> so hopefully  his tests will help better to understand the problem.
>>>   
>>
>>
>> hmm
>>
>>
>> A'rpi / Astral & ESP-team
>>
>> -- 
>> Developer of MPlayer G2, the Movie Framework for all - 
>> http://www.MPlayerHQ.hu
>>
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>>
>>  
>>
>
>
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