Thread: Thoughts about OS 2008
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fanoush is offline fanoush
2007-11-19 , 13:36
Posts: 2,152 | Thanked: 1,490 times | Joined on Jan 2006 @ Czech Republic
#55
Originally Posted by lardman View Post
It would be interesting to know how TCPMP is so fast on your old Palm hardware (cpu speed? HW video accel?). There is source for TCPMP before it became Core Player (what ever happened to the promised open source Betaplayer?), might be worth a look to see if there are any improvements/optimisations for mplayer.
AFAIK there is no video acceleration for PXA or OMAP based palms in TCPMP. There is one for Zodiac. The speed is partly due to optimizations (there is optional ffmpeg plugin which is called 'slow and bloated') and mainly because screen for palms has much lower resolution (320x320 or 320x480) so there is less pixel data to draw. Also palmos is simple so there is low/zero system overhead (flat memory, code runs in kernel mode, direct access to framebuffer, almost no context switches). I guess mplayer can now do better on 770 with same resolution than on palms. TCPMP source is here
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