[maemo-developers] [maemo-developers] H.264

[From: Michael Kropfberger]

On Wednesday, 17. May 2006 15:56, Panagiotis Issaris wrote:
> Hi,
>
> While testing the capabilities of the N770 for decoding H264 video, I
> crosscompiled
> FFmpeg for ARM and tried playing a H.264 QCIF video encoded with x264
> with mp2
> audio (64kb, mono, 48000). Initially this used 90% of the CPU power,
> which after
> a minute dropped to 47% and after a longer while to 16%.
>
> I couldn't really understand what could have caused the CPU usage
> changes. Any
> ideas?

just my 2 cents: either it's the content that was coded (first high motion, 
later not much changes in the video)
OR, and this may be more reasonable: it's the file reading & demuxing process, 
which is finishing after a while, and then all power can be used for decoding 
only...


greets,

Mike