OK, I am way beyond knowledge and into guessing here. Does the RTSP need the RTP payloader? Try substituting UPD instead. The RTP payloader is taking the RTSP packets and wrapping them in an RTP header, which probably won't work. (I didn't think about that earlier.) Did you get a wireshark trace of the VLC stream? If not, do so. Then you can compare the packets and tell the difference, like does VLC wrap the packets in RTP. You can decode a RTP stream in Wireshark by clicking on a packet and selecting something like decode as... RTP. Wireshark will then translate all of the packets in that conversation (pretty cool, actually). Hmmm, I don't know but you might also be able to decode a RTSP stream the same way. Wireshark is a great tool to play with. <div class="gmail_quote">On Thu, Aug 16, 2012 at 5:30 PM, John Ruemker <<a href="mailto:john.ruemker@gmail.com" target="_blank">john.ruemker@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> <div bgcolor="#FFFFFF" text="#000000"> <div>Ok, made a little bit of progress. I'm able to play an rtsp video stream generated by vlc. This at least confirms that the test app is capable of playing an rtsp, which is good because I was starting to doubt that. I used the vlc wizard to set it up and the generated output string is as follows: :sout=#transcode{vcodec=h264,vb=500,scale=1,acodec=mp4a,ab=128,channels=2,samplerate=8000}:rtp{sdp=<a>rtsp://:8554/test</a>} :sout-keep For some reason the audio doesn't work, but I know its at least detecting the audio stream because if I set the codec in VLC to anything other than MPEG 4 Audio (AAC), MPEG Audio, or Vorbis, android refuses to play it at all. With one of those 3, it plays the video but not the audio. I'm not terribly concerned with the audio part right now; I can play with that later if I at least get video working from gstreamer. Does the VLC output stream that I discovered to work differ in any significant ways from the gstreamer pipeline I was trying earlier? Are there any gstreamer element options that would be needed in order to match the vlc version? Thanks<div><div class="h5"> On 08/16/2012 03:42 PM, Chuck Crisler wrote: </div></div></div><div><div class="h5"> <blockquote type="cite">Sorry, but I don't see anything. You might try setting up a different RTSP server (VLC?) and test that for comparison. Capture a wireshark trace to see the detail difference. Also, look up the Android error code -<a href="tel:2147483648" value="+12147483648" target="_blank">2147483648</a> to see what it means. <div class="gmail_quote">On Thu, Aug 16, 2012 at 3:05 PM, John Ruemker <<a href="mailto:john.ruemker@gmail.com" target="_blank">john.ruemker@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I've switched to baseline profile and 500Kbps bitrate on x264enc, and scaled the resolution and framerate on videoscale to match the parameters specified in the android requirements, with no change in behavior on the client. gst_rtsp_media_factory_set_launch(factory, "( " "filesrc location=/home/jruemker/Download/star.mkv ! " " decodebin name=dec dec. ! queue ! videoscale ! video/x-raw-yuv,width=480,height=360,framerate=(fraction)30/1 ! " " x264enc profile=1 bitrate=500 ! " "rtph264pay name=pay0 pt=96 " ")"); <div> <div> On 08/16/2012 02:01 PM, John Ruemker wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Here's the entire communication between client & server (148 is client, 9 is server): 30 7.108768 192.168.2.148 -> 192.168.2.9 TCP 74 49571 > rtsp-alt [SYN] Seq=0 Win=14600 Len=0 MSS=1460 SACK_PERM=1 TSval=37853209 TSecr=0 WS=2 36 7.312196 192.168.2.9 -> 192.168.2.148 TCP 74 rtsp-alt > 49571 [SYN, ACK] Seq=0 Ack=1 Win=14480 Len=0 MSS=1460 SACK_PERM=1 TSval=391976951 TSecr=37853209 WS=128 38 7.327221 192.168.2.148 -> 192.168.2.9 TCP 66 49571 > rtsp-alt [ACK] Seq=1 Ack=1 Win=14600 Len=0 TSval=37853257 TSecr=391976951 39 7.336107 192.168.2.148 -> 192.168.2.9 RTSP 201 DESCRIBE <a>rtsp://</a><a href="http://192.168.2.9:8554/test" target="_blank">192.168.2.9:8554/test</a> RTSP/1.0 40 7.336199 192.168.2.9 -> 192.168.2.148 TCP 66 rtsp-alt > 49571 [ACK] Seq=1 Ack=136 Win=15616 Len=0 TSval=391977178 TSecr=37853258 47 8.287674 192.168.2.9 -> 192.168.2.148 RTSP/SDP 619 Reply: RTSP/1.0 200 OK, with session description 49 8.349307 192.168.2.148 -> 192.168.2.9 TCP 66 49571 > rtsp-alt [ACK] Seq=136 Ack=554 Win=15706 Len=0 TSval=37853462 TSecr=391978130 51 8.391433 192.168.2.148 -> 192.168.2.9 TCP 66 49571 > rtsp-alt [FIN, ACK] Seq=136 Ack=554 Win=15706 Len=0 TSval=37853469 TSecr=391978130 52 8.391511 192.168.2.9 -> 192.168.2.148 TCP 66 rtsp-alt > 49571 [FIN, ACK] Seq=554 Ack=137 Win=15616 Len=0 TSval=391978234 TSecr=37853469 54 8.394598 192.168.2.148 -> 192.168.2.9 TCP 66 49571 > rtsp-alt [ACK] Seq=137 Ack=555 Win=15706 Len=0 TSval=37853471 TSecr=391978234 Packet 47 (the reply RTSP/1.0 200 OK) contains the following info in the SDP portion: Session Description Protocol Version (v): 0 Owner/Creator, Session Id (o): - 1188340656180883 1 IN IP4 192.168.2.9 Session Information (i): rtsp-server Session Attribute (a): type:broadcast Session Attribute (a): control:* Session Attribute (a): range:npt=0.000000-60.767000 Media Description, name and address (m): video 0 RTP/AVP 96 Connection Information (c): IN IP4 192.168.2.9 Media Attribute (a): rtpmap:96 H264/90000 Media Attribute (a): control:stream=0 Media Attribute (a): fmtp:96 sprop-parameter-sets=Z0LAH9kAUARbARAAAAMAF3NZQADxgySAAA==,aMuMsg== Full tcpdump is attached if it helps. Regarding the app on the android side, I'm using a VideoView element to play. Supposedly you can just hand off the RTSP URI to a VideoView and call the play function and it works. The test I'm using is pretty basic: package org.ruemker.play_rtsp; import android.app.Activity; import android.net.Uri; import android.os.Bundle; import android.widget.MediaController; import android.widget.VideoView; public class MainActivity extends Activity { String SrcPath = "<a>rtsp://</a><a href="http://192.168.2.9:8554/test" target="_blank">192.168.2.9:8554/test</a>"; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); VideoView myVideoView = (VideoView)findViewById(R.id.myvideoview); myVideoView.setVideoURI(Uri.parse(SrcPath)); myVideoView.setMediaController(new MediaController(this)); myVideoView.requestFocus(); myVideoView.start(); } } On 08/16/2012 01:44 PM, Loren Rogers wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Wireshark would help, and you can show "handshaking" RTSP negotiation. What happens in RTSP is a client sends a request which if you look @ the RTSP packets it looks like a URI with a specific format. You'll want to make sure that that URI looks correct and that the android video rendering mechanism is configured to receive that specific media and it's properties. Also I'm not sure about what application you are using on the Android side to request a RTSP session and render the media. But if you are using an app from Google play I'd read up on the help if they have it. Also have a read of RTSP RFC couldn't hurt either. /Loren On Thu, Aug 16, 2012 at 1:37 PM, Chuck Crisler <<a href="mailto:ccrisler@mutualink.net" target="_blank">ccrisler@mutualink.net</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Sounds like a job for wireshark. On Thu, Aug 16, 2012 at 1:29 PM, Loren Rogers <<a href="mailto:loren.rogers@gmail.com" target="_blank">loren.rogers@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> If the log is from the Android device, what it looks like is that the Android device is missing the caps negotiation (probably SDP) that's sent from the RTSP server. OR the Android device is trying to open a file with poorly formed stream information. On Thu, Aug 16, 2012 at 1:15 PM, John Ruemker <<a href="mailto:john.ruemker@gmail.com" target="_blank">john.ruemker@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> I was wondering if the alawenc audio encoder is the problem, considering the android doc states you should use AAC-LC. However if I try to switch to ffenc_aac I can't get a stream that even vlc will play. I'm not really sure with rtp payloader goes with ffenc_aac. So ultimately, I decided to just remove the audio stream for now and see if I could get video working. VLC plays it fine, but android still won't, so the issue is likely somewhere in the x264enc part. The logs from the android MediaPlayer and VideoView classes are not very specific. 08-16 13:12:39.320: D/OpenGLRenderer(30587): Flushing caches (mode 0) 08-16 13:12:39.350: D/OpenGLRenderer(30587): Flushing caches (mode 1) 08-16 13:12:45.555: D/libEGL(30783): loaded /system/lib/egl/libEGL_mali.so 08-16 13:12:45.555: D/libEGL(30783): loaded /system/lib/egl/libGLESv1_CM_mali.so 08-16 13:12:45.560: D/libEGL(30783): loaded /system/lib/egl/libGLESv2_mali.so 08-16 13:12:45.635: D/OpenGLRenderer(30783): Enabling debug mode 0 08-16 13:12:45.645: D/MediaPlayer(30783): Couldn't open file on client side, trying server side 08-16 13:12:45.800: D/MediaPlayer(30783): getMetadata 08-16 13:12:45.905: E/MediaPlayer(30783): error (1, -<a href="tel:2147483648" value="+12147483648" target="_blank">2147483648</a>) 08-16 13:12:45.905: E/MediaPlayer(30783): Error (1,-<a href="tel:2147483648" value="+12147483648" target="_blank">2147483648</a>) 08-16 13:12:45.905: D/VideoView(30783): Error: 1,-<a href="tel:2147483648" value="+12147483648" target="_blank">2147483648</a> I guess I'll have to try and play around with the resolution, bitrates, etc as you pointed out and see if I can make any progress there. Thanks for your help. -John On 08/16/2012 12:35 PM, Chuck Crisler wrote: I am not sure about the default x264enc parameters, but you need to insure that it is using baseline, width/height/frame/bit rates all as specified by the android. I suspect that the defaults are not what the Android wants and probably if any is wrong the Android would reject it but VLC will deal with it. Can you get a log from the Android to see what it doesn't like? On Thu, Aug 16, 2012 at 11:51 AM, John Ruemker <<a href="mailto:john.ruemker@gmail.com" target="_blank">john.ruemker@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> On 08/15/2012 12:00 PM, John Ruemker wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hello, I am trying to figure out a way to take a local video which may be in one of a few different formats (mkv, mp4, avi) and create an rtsp stream that can be viewed by android devices. I've been playing around with gstreamer-rtsp-server, and using the test-readme.c example can create a stream from an mkv that is watchable in vlc, but android cannot process it: gst_rtsp_media_factory_set_launch(factory, "( " "filesrc location=/home/user/project/spider.mkv ! " "decodebin name=dec dec. ! queue ! x264enc ! " "rtph264pay name=pay0 pt=96 dec. ! queue ! audioresample ! audioconvert ! " "alawenc ! rtppcmapay name=pay1 pt=97 " ")"); I'm guessing the way its encoded is not supported by android: <a href="http://developer.android.com/guide/appendix/media-formats.html#recommendations" target="_blank">http://developer.android.com/guide/appendix/media-formats.html#recommendations</a> While I have done a good bit of reading through the gstreamer docs and understand pipelines and such, I'll admit I don't know much about formats and codecs. What sort of pipeline should I use to encode the video and audiostreams such that an android device would be able to play it back, per the requirements listed in the above link? Thanks for your help. -John </blockquote> Hi, Anyone have any ideas on the above? I'm just not sure how to go about encoding to meet the requirements that are laid out in the Android development guide. Any assistance would be greatly appreciated. Thanks -John _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote> -- "Some men see things as they are and say why. I dream things that never were and say why not?" - GBS _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote> </blockquote> </blockquote> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </div> </div> </blockquote> </div> <fieldset></fieldset> <pre>_______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org" target="_blank">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </pre> </blockquote> </div></div></div> _______________________________________________ gstreamer-devel mailing list <a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a> <a href="http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel" target="_blank">http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a> </blockquote></div>