Hi Rajat, The best way to get quick gstreamer help is with #gstreamer on irc. They're usually fairly responsive.
Which version of gstreamer you're using is very important, are you sure you have the necessary libraries installed? (though Rubencino's comment that it looks like you are missing the file seems most likely to me too) Chris > Hello Christopher, > I am new to using gstreamer and sox, and I was making myself > comfortable in the same since last 2-3 days. However, I found myself > helpless while playing a simple mp3 file using gstreamer through the > terminal. There was a simple command provided in the gstreamer > documentation to run a mp3 file, but it's not working on my system. > The command goes like this: * > * > *Command: *gst-launch filesrc location=emptines.mp3 ! mad ! > audioconvert ! audioresample ! alsasink > * > * > *Error: *Setting pipeline to PAUSED ... > ERROR: Pipeline doesn't want to pause. > ERROR: from element /GstPipeline:pipeline0/GstFileSrc:filesrc0: > Resource not found. > Additional debug info: > gstfilesrc.c(1036): gst_file_src_start (): > /GstPipeline:pipeline0/GstFileSrc:filesrc0: > No such file "emptines.mp3" > Setting pipeline to NULL ... > Freeing pipeline ... > > I tried a lot of variants of the above command, but all of them gave > me the same result. > * > * > I tried contacting the mailing list of gstreamer, but there was no > reply from them. Can you please help me with this problem. Sorry to > bother you with this problem, but the application period has started > already and time is running out. I am looking forward to work on this > project and I don't want to loose this opportunity. > > Regards > Rajat > > On 26 March 2012 23:17, Judy Stern <[email protected]> wrote: > > > fwiw, Berkeley surveys (from the ancient past, i.e. 2005) show the > > same. Higher percentages of students in Berkeley classes wanted > > fast playback speed than the general public (presumably because > > more of the students taking classes are using webcasts for review; > > general public is watching for first time and not being tested on > > material). > > > > Judy > > > > On Mar 22, 2012, at 9:43 AM, Christopher Brooks wrote: > > > > > We did a survey of students asking what features they would like > > > and this was the #2 most requested feature. I use it myself when > > > consuming things like podcasts, it's wonderful. > > > > > > Chris > > > > > > On Wed, 21 Mar 2012 15:31:19 -0700 > > > Hank Magnuski <[email protected]> wrote: > > > > > >> The University of Wisconsin Health Sciences Center processes all > > >> the captured NCast .mp4's for a 1.5x playback. The students love > > >> it. > > >> > > >> On the video track you skip frames as needed, and they have an > > >> audio tool of some sort to lower the pitch so the instructor > > >> doesn't sound like Mickey Mouse. > > >> > > >> This processing appears to be popular and they are doing it for > > >> all their lecture capture videos. > > >> > > >> Hank > > >> > > >> On Wed, Mar 21, 2012 at 1:38 PM, Rajat Jain > > >> <[email protected]> wrote: > > >> > > >>> Hi there, > > >>> > > >>> I have been going through the project ideas of the *openCast*, > > >>> and I came across the idea of *Variable Playback Speed**. > > >>> *However I have some doubts regarding the project. Such as how > > >>> are we going to reduce the time of the playback. Are we going > > >>> to increase the speed of the playback (which I don't believe is > > >>> the idea), or are we going to remove some part of video from > > >>> the original file ? Can anyone help me. Or does anyone know how > > >>> to contact the mentor. > > >>> > > >>> Regards > > >>> Rajat Jain > > >>> > > >>> > > > > > > > > > > > > -- > > > Christopher Brooks, BSc, MSc > > > ARIES Laboratory, University of Saskatchewan > > > > > > Web: http://www.cs.usask.ca/~cab938 > > > Phone: 1.306.966.1442 > > > Mail: Advanced Research in Intelligent Educational Systems > > > Laboratory Department of Computer Science > > > University of Saskatchewan > > > 176 Thorvaldson Building > > > 110 Science Place > > > Saskatoon, SK > > > S7N 5C9 > > > _______________________________________________ > > > Community mailing list > > > [email protected] > > > http://lists.opencastproject.org/mailman/listinfo/community > > > > > > > > > To unsubscribe please email > > > [email protected] > > > _______________________________________________ > > > > _______________________________________________ > > Community mailing list > > [email protected] > > http://lists.opencastproject.org/mailman/listinfo/community > > > > > > To unsubscribe please email > > [email protected] > > _______________________________________________ > > -- Christopher Brooks, BSc, MSc ARIES Laboratory, University of Saskatchewan Web: http://www.cs.usask.ca/~cab938 Phone: 1.306.966.1442 Mail: Advanced Research in Intelligent Educational Systems Laboratory Department of Computer Science University of Saskatchewan 176 Thorvaldson Building 110 Science Place Saskatoon, SK S7N 5C9 _______________________________________________ Community mailing list [email protected] http://lists.opencastproject.org/mailman/listinfo/community To unsubscribe please email [email protected] _______________________________________________
