Re: [MMUSIC] Simulcast draft feedback
Byron Campen <docfaraday@gmail.com> Mon, 19 October 2015 22:10 UTC
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To: mmusic@ietf.org
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From: Byron Campen <docfaraday@gmail.com>
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Date: Mon, 19 Oct 2015 17:09:54 -0500
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Subject: Re: [MMUSIC] Simulcast draft feedback
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On 10/19/15 5:07 PM, Paul Kyzivat wrote:
> On 10/19/15 4:22 PM, Byron Campen wrote:
>
>> **** Payload type asymmetry confusion ****
>>
>> Consider the following simulcast offer/answer exchange, where the
>> answerer removes a simulcast version and changes payload types:
>>
>> offer:
>> a=rtpmap:96 VP8/90000
>> a=rtpmap:97 VP8/90000
>> a=rtpmap:98 VP8/90000
>> // a=fmtp that differ for the above three
>> a=simulcast: send pt=96;97;98
>>
>> answer:
>> a=simulcast: recv pt=42;101
>
> I don't understand. I think you need to provide more info. Did it
> change PTs in the m-line of the answer for codec configs the offerer
> called 96,97,98? Did it add more PTs not mentioned in the offer?
>
It changed the payload types that were present in the offer (same
m-section).
Best regards,
Byron Campen
- Re: [MMUSIC] Simulcast draft feedback Paul Kyzivat
- [MMUSIC] Simulcast draft feedback Byron Campen
- Re: [MMUSIC] Simulcast draft feedback Byron Campen
- Re: [MMUSIC] Simulcast draft feedback Mo Zanaty (mzanaty)