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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal>Im having a problem using librtmp from within ffmpeg.<o:p></o:p></p><p class=MsoNormal>I have a number of live rtmp streams coming from security cameras that aren’t being parsed correctly by ffmpeg/librtmp.<o:p></o:p></p><p class=MsoNormal>When viewing the rtmp debug messages, it appears that the metadata is received correctly followed by the actual stream data, but ffmpeg/librtmp doesn’t seem to know how to handle the raw stream data.<o:p></o:p></p><p class=MsoNormal>The data keeps being streamed in by ffmpeg, but at no point does it recognize the video stream; ffmpeg hangs and never starts parsing the video stream from librtmp.<o:p></o:p></p><p class=MsoNormal>The strange thing is that I don’t have a problem viewing the streams directly from a flash video player, yet using librtmp/ffmpeg to process the streams causes issues.<o:p></o:p></p><p class=MsoNormal>Btw, rtmpdump doesn’t appear to hang or complain about these problematic streams, but it also doesn’t record any valid video, so this seems to be an issue with librtmp.<o:p></o:p></p><p class=MsoNormal>In any case, our application calls for using ffmpeg to directly process the streams, so using rtmpdump is not an option.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unfortunately, I cant provide the urls to the streams, but Ive attached a portion of the debug messages.<o:p></o:p></p><p class=MsoNormal>Within the debug file, it can be seen that, after receiving the stream metadata, the raw video data appears to stream in, but librtmp/ffmpeg doesn’t seem to know how to handle the data.<o:p></o:p></p><p class=MsoNormal>There are a sections of data preceded by the messages:<o:p></o:p></p><p class=MsoNormal>HandleCtrl, received ctrl. type: 32, len: 6<o:p></o:p></p><p class=MsoNormal>HandleCtrl, Stream BufferReady 1<o:p></o:p></p><p class=MsoNormal>RTMP_ReadPacket: fd=3<o:p></o:p></p><p class=MsoNormal>…and then a bunch of raw data…and then it repeats again…<o:p></o:p></p><p class=MsoNormal>Librtmp/ffmpeg never realizes that its receiving valid video data, so it just keeps ‘passing through’ a bunch of data chunks.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can someone please take a look at the debug file and provide me with some feedback on why librtmp/ffmpeg might be having issues with these particular streams?<o:p></o:p></p><p class=MsoNormal>Again, its not happening to all of the streams, only on certain streams/security cameras, so there’s something in how librtmp is handling these specific streams.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>cs<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>