Hello guys , I am trying to play one 3gp and another mpg video file on my arm based target platform . But I am getting issue in missing video decoder / demuxer plugins . A > playing 3gp video <pre class="bz_comment_text" id="comment_text_9">COMMAND : gst-launch playbin uri=file:///home/root/209114_3gp.3gp Setting pipeline to PAUSED ... Pipeline is PREROLLING ... ERROR: from element /GstPlayBin:playbin0/GstDecodeBin:decodebin0/GstVdecH263:vdech2630: Video decoding error: error init (maybe drivers not loaded) (-6) Additional debug info: src/gst_vdec_base.c(275): gst_vdec_base_log_decoder_error (): /GstPlayBin:playbin0/GstDecodeBin:decodebin0/GstVdecH263:vdech2630: streaming stopped ERROR: pipeline doesn't want to preroll. Setting pipeline to NULL ... (gst-launch-0.10:3136): GStreamer-WARNING **: Element queue0 is not in bin decodebin0 ** Message: don't know how to handle video/x-h263, width=(int)176, height=(int)144, framerate=(fraction)12/1 </pre> B> Playing a MPG video <pre class="bz_comment_text" id="comment_text_9">COMMAND : gst-launch playbin uri=file:///home/root/mpg_209116.mpg Setting pipeline to PAUSED ... ** Message: don't know how to handle video/mpeg, systemstream=(boolean)true, mpegversion=(int)1 Pipeline is PREROLLING ... ERROR: from element /GstPlayBin:playbin0/GstDecodeBin:decodebin0: A MPEG-1 System Stream demuxer plugin is required to play this stream, but not installed. Additional debug info: gstdecodebin.c(986): close_pad_link (): /GstPlayBin:playbin0/GstDecodeBin:decodebin0: No decoder to handle media type 'video/mpeg' ERROR: pipeline doesn't want to preroll. Setting pipeline to NULL ... Freeing pipeline ... </pre> Please help me in getting those plugins installed . Thanks : Umang Gupta