Hi Ross! First of all, thank you so much for your answer!
Answering your question, the audio codec is AMR-WB and I have the SDP description too although I know in advance all info related to the media (sample rate, channel number, ...). Is there any sample code I can use as a guide? Thank you so much! El jue, 13 jun 2024 a las 14:42, Ross Finlayson (<finlay...@live555.com>) escribió: > > > > On Jun 13, 2024, at 4:44 AM, Guillermo Bernaldo de Quiros Maraver < > gberna...@cestel.es> wrote: > > > > The audio comes in RTP format from another place (with their source > address, and source port payload type, ssrc, etc...) > > […] > > > On the other hand I have to send audio in RTP format when the > application sends me a notification. The source of the audio comes from my > microphone when I get a notification. > > My question is if there is any possibility to use liveMedia (without > SIP) for this kind of scenario. If that's the case, is there any sample > code I can use as a guide? > > If I understand correctly, you want to both: > 1/ Receive an incoming RTP audio stream (presumably knowing its > port number and destnation/source IP addresses), and > 2/ Transmit an outgoing RTP audio stream (presumably knowing the > destination port number and IP address) > > If so, you could probably be able to use our “LIVE555 Streaming Media” > code for this. For example, you could use one LIVE555-based application > (process) to do 1/ (the reception), and another LIVE555-based application > (process) to do 2/ (the transmission). Or you might want to combine both > reception and transmission into a single LIVE555-based application (using a > single event loop). > > For 1/, do you know what kind of audio (i.e. what codec) this incoming > stream is using? Do you have a SDP description for this stream, or do you > always know in advance that the stream will be using one particular codec > (and thus one particular RTP payload format), including the sampling > frequency, and the number of audio channels (i.e., whether it’s mono or > stereo)? This question is important, because the format of the RTP packet > (including possible headers) will depend on the particular codec that is > being used. > > > Ross Finlayson > Live Networks, Inc. > http://www.live555.com/ > > > _______________________________________________ > live-devel mailing list > live-devel@lists.live555.com > http://lists.live555.com/mailman/listinfo/live-devel > -- Guillermo Bernaldo de Quiros Maraver C/ Marie Curie, 5-7. Edificio <https://maps.google.com/?q=C/+Marie+Curie,+5-7.+Edificio&entry=gmail&source=g> Beta, Oficina 2.5 28521 – Rivas Vaciamadrid (Madrid) Tfno: +34 91.871.20.95 Fax: +34 91.870.28.18 Email: gberna...@cestel.es Web: www.cestel.es
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