<div dir="ltr"><div>Thanks Sebastian. </div>I will log the bug.. </div><div class="gmail_extra"> <div class="gmail_quote">On Wed, Jun 18, 2014 at 4:08 PM, Sebastian Dröge <<a href="mailto:sebastian@centricular.com" target="_blank">sebastian@centricular.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Do, 2014-06-12 at 19:02 -0700, surendra wrote: > Hi Everyone, > I am able to record the IP camera H264 stream in to MKV file by using the > below pipe line.gst-launch-1.0 -e rtspsrc > location="rtsp://<a href="http://10.33.15.1:554/udpstream_ch1_stream1" target="_blank">10.33.15.1:554/udpstream_ch1_stream1</a>" ! rtph264depay ! > h264parse ! matroskamux ! filesink location=test1.mkv > I am able to play the recorded file with any MKV (h264)compatible player. > I am checking the recorded MKV file EBML tree using AVI MUX GUI > application(Picture attached with mail). > recorded.png > <<a href="http://gstreamer-devel.966125.n4.nabble.com/file/n4667472/recorded.png" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/file/n4667472/recorded.png</a>> > As per the specification of EMBL MKV file also should contain the CRC32 for > the parent filed(see the spec piture) spec.png > <<a href="http://gstreamer-devel.966125.n4.nabble.com/file/n4667472/spec.png" target="_blank">http://gstreamer-devel.966125.n4.nabble.com/file/n4667472/spec.png</a>> > Recorded file is missing CRC32 elements.My question is does matroskamux > support or performs the CRC32 computation on the stream and stores in MKV > format? Or Do we need to write a plug-in to compute the CRC32 before saving > in to MKV format?I think the CRC32 elements provide support to check the > integrity of the recorded data.Is there any way to enable the CRC32 > computation on H264 stream in the MKV format. Currently we don't write any CRC32 elements in matroskamux or webmmux. This can be easily added there though, there's no need for a separate element. Can you file a bug about this at <a href="http://bugzilla.gnome.org" target="_blank">http://bugzilla.gnome.org</a> ? -- Sebastian Dröge, Centricular Ltd - <a href="http://www.centricular.com" target="_blank">http://www.centricular.com</a> Expertise, Straight from the Source _______________________________________________ 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> </div>