[maemo-developers] [maemo-developers] gstreamer launcher (proper video sink?)

From: Pinghang.Koon at tietoenator.com Pinghang.Koon at tietoenator.com
Date: Wed Apr 26 10:46:01 EEST 2006
Dear all,


I had been trying around with the gstreamer on the Nokia 770 and had
installed the gstreamer0.8-tools to it.


To get some understanding to that gstreamer implementation, I played
some audio files on it, and it works.


gst-launch-0.8 filesrc location=xp.wav ! wavparse ! dsppcm


gst-launch-0.8 filesrc location=some.mp3 ! dspmp3


Both of them works! : )


However, when I come to video, I tried:

(Note: w.mpg is a mpeg 1 file with no audio, therefore I didn't demux


gst-launch-0.8 filesrc location=w.mpg ! ffdec_mpegvideo ! dspfbsink


And it stuck at 'RUNNING pipeline ...'.


At my linux box, 


gst-launch-0.8 filesrc location=w.mpg ! mpeg2dec ! sdlvideosink


It works, and the movie is playing at an extra window. 



1)       Is it correct for me to use the dspfbsink directly?  (Frame
buffer)  Any pre-processing necessary?

2)       The w.mpg plays correctly on the bundled 770 movie player, but
pretty slowly with a lot of frame skips.  Is the CPU of Nokia 770 fast
enough to handle more advanced codecs, like xvid?


Please help.  Thank you in advance.


Alvis Koon

Software Engineer



Telecom and Media
Direct +86 010 84221188 ext 189

Mobile +86 13911789924

Fax +86 010 84221189

E-mail pinghang.koon at tietoenator.com


Unit 301, House 2, No.11 HePingLi DongJie,

DongCheng District

Beijing, 100013 PRC




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