Does that mean that I will not be able to open the stream unless I modify the libav code?
On Thu, Jun 12, 2014 at 5:54 PM, Joshua Kordani <[email protected]> wrote: > Additionally, the rtpmap line in the sdp file comes AFTER the fmtp line, > this causes wireshark to be confused, and according to the comments in > libavformat/rtsp.c, may not be handled by the library, as the dynamic > handler may not have the knowledge that the fmtp string is associated with > an h264 stream, so the sprops-param line may just be discarded. > > Joshua Kordani > LSA Autonomy > > > On 6/12/14 10:24 AM, Joshua Kordani wrote: > >> It also should be noted that in the sdp, the server is indicating that it >> will only be providing single nal packets "packetization-mode=0" but >> instead provides an rtp stream with fragmented nals. In this case, >> packetization-mode should be non-zero. I don't know if this is confusing >> the library at all (I doubt it) but I figured I'd say something. >> >> Joshua Kordani >> LSA Autonomy >> >> On 6/12/14 2:07 AM, Manuel Torres wrote: >> >>> SPS and PPS are not present. I can see IDRs with a frequency of 60-100ms. >>> Any thoughts? >>> >>> >>> On Thu, Jun 12, 2014 at 7:50 AM, Manuel Torres < >>> [email protected]> wrote: >>> >>> This is what avplay displays when opening the stream: >>>> http://pastebin.com/K6jmtGps >>>> >>>> My code can open the BigBuckBunny stream. >>>> >>>> I will now check the Wireshark capture and let you know. >>>> >>>> >>>> >>>> On Wed, Jun 11, 2014 at 7:34 PM, Joshua Kordani <[email protected]> >>>> wrote: >>>> >>>> and alternatively, what happens when you point your code at the >>>>> following >>>>> rtsp url? >>>>> rtsp://184.72.239.149/vod/mp4:BigBuckBunny_115k.mov >>>>> >>>>> Joshua Kordani >>>>> LSA Autonomy >>>>> >>>>> On 6/11/14 11:49 AM, Manuel Torres wrote: >>>>> >>>>> Done. I captured just a few seconds to keep the file size low. Here is >>>>>> the >>>>>> download link: >>>>>> >>>>>> https://www.wetransfer.com/downloads/8d6c64606d347f395c6a0dfd870241 >>>>>> 9b20140611154702/5f67e064c7ebf8c694577589d69c1d5420140611154702/c7dee4 >>>>>> >>>>>> >>>>>> >>>>>> On Wed, Jun 11, 2014 at 5:32 PM, Joshua Kordani <[email protected]> >>>>>> wrote: >>>>>> >>>>>> Can you make a short wireshark capture that includes the rtsp as >>>>>> well as >>>>>> >>>>>>> the rtp traffic going from this camera, for, say, 30 seconds? Do >>>>>>> this >>>>>>> using your program to start the feed. >>>>>>> >>>>>>> Joshua Kordani >>>>>>> LSA Autonomy >>>>>>> >>>>>>> >>>>>>> On 6/11/14 11:21 AM, Manuel Torres wrote: >>>>>>> >>>>>>> No. It is an external source of which I have no control and I >>>>>>> cannot >>>>>>> >>>>>>>> figure >>>>>>>> out what is diferent in it from the rest if the sources I can open >>>>>>>> with >>>>>>>> both avplay and my code. It puzzles me even more that VLC and >>>>>>>> MPlayer >>>>>>>> do >>>>>>>> open the stream. >>>>>>>> >>>>>>>> Enviado desde dispositivo móvil. >>>>>>>> Sent from mobile device. >>>>>>>> On Jun 11, 2014 5:15 PM, "Joshua Kordani" <[email protected]> >>>>>>>> wrote: >>>>>>>> >>>>>>>> Are you creating this stream yourself? >>>>>>>> >>>>>>>> Joshua Kordani >>>>>>>>> LSA Autonomy >>>>>>>>> >>>>>>>>> On 6/11/14 11:08 AM, Manuel Torres wrote: >>>>>>>>> >>>>>>>>> If by "resource" you mean the URL, the answer is no, avplay >>>>>>>>> does not >>>>>>>>> >>>>>>>>> display the video. The traces in my first e-mail are also >>>>>>>>>> displayed >>>>>>>>>> by >>>>>>>>>> avplay, that is, no size and no color space. >>>>>>>>>> >>>>>>>>>> Enviado desde dispositivo móvil. >>>>>>>>>> Sent from mobile device. >>>>>>>>>> On Jun 11, 2014 4:10 PM, "Luca Barbato" <[email protected]> >>>>>>>>>> wrote: >>>>>>>>>> >>>>>>>>>> On 11/06/14 09:41, Manuel Torres wrote: >>>>>>>>>> >>>>>>>>>> First of all, thank you Luca and Joshua for taking the time to >>>>>>>>>> help >>>>>>>>>> >>>>>>>>>>> me >>>>>>>>>>> >>>>>>>>>>> and >>>>>>>>>>>> >>>>>>>>>>>> thank you very much Joshua for that awesome explanation. I >>>>>>>>>>> see >>>>>>>>>>> that >>>>>>>>>>> >>>>>>>>>>> there >>>>>>>>>>>> is a lot to learn. >>>>>>>>>>>> >>>>>>>>>>>> Back on topic: >>>>>>>>>>>> I checked the format context and the codec context and I only >>>>>>>>>>>> found an >>>>>>>>>>>> empty (NULL) "extradata" field in the codec context. I also >>>>>>>>>>>> checked >>>>>>>>>>>> some >>>>>>>>>>>> other fields in both structures where I thought the data could >>>>>>>>>>>> be >>>>>>>>>>>> but >>>>>>>>>>>> >>>>>>>>>>>> found >>>>>>>>>>>> >>>>>>>>>>>> nothing. Am I looking in the right place? >>>>>>>>>>> >>>>>>>>>>> Looks quite strange, if you just do avplay rtsp://resource >>>>>>>>>>>> >>>>>>>>>>>> does it play? >>>>>>>>>>>> >>>>>>>>>>> lu >>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> libav-api mailing list >>>>>>>>>>> [email protected] >>>>>>>>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> >>>>>>>>>>> libav-api mailing list >>>>>>>>>>> >>>>>>>>>> [email protected] >>>>>>>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> >>>>>>>>>> libav-api mailing list >>>>>>>>> [email protected] >>>>>>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> >>>>>>>> libav-api mailing list >>>>>>>> [email protected] >>>>>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> >>>>>>> libav-api mailing list >>>>>>> [email protected] >>>>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>>>> >>>>>>> _______________________________________________ >>>>>>> >>>>>> libav-api mailing list >>>>>> [email protected] >>>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>>> >>>>>> _______________________________________________ >>>>> libav-api mailing list >>>>> [email protected] >>>>> https://lists.libav.org/mailman/listinfo/libav-api >>>>> >>>>> >>>> _______________________________________________ >>> libav-api mailing list >>> [email protected] >>> https://lists.libav.org/mailman/listinfo/libav-api >>> >> >> _______________________________________________ >> libav-api mailing list >> [email protected] >> https://lists.libav.org/mailman/listinfo/libav-api >> > > _______________________________________________ > libav-api mailing list > [email protected] > https://lists.libav.org/mailman/listinfo/libav-api > _______________________________________________ libav-api mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-api
