[MPlayer-dev-eng] Mplayer Faad Performance -ARM Zaurus

Sangwook Lee hitchcar at sec.samsung.com
Wed Oct 22 01:38:18 CEST 2003


I want to play mov file ( MPEG4 AAC) but it is impossible to play it on my
zaurus.

After making camparision between mp3 decoding time and aac decoding time,
unexpected result come to me.

Is faad2  impossible to play AAC in arm cpu  because of the complexity of
mpeg4 aac lc ?

--------------------------------------------
Audio Decoding Time (msec). (Packet 8192 byte)
--------------------------------------------
Hardware : Sharp Zaurus SL-5500
Mplayer version : mplayer-1.0pre1
the file  to play measure.. : mplayer.c

--------------------------------------------
Time : ms (unit)
Codec -- AAC FAAD Version 2
Worst:1439
Best :660(most case around 660)

Playing Time.
Worst : 1.047
Best  :  1.030 
--------------------------------------------

--------------------------------------------
Codec ? MP3(FFMPEG/libavcodec)
Worst:14.65 
Best : 7.0(most case around 13.00)

Playing Time.
Worst : 1.047
Best  :  1.030 
--------------------------------------------


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