[Libav-user] How to speed-up vp8 video decoding.

[Alfredo Perez]

iPhoneOS5.1.sdk


On 28 May 2012 10:31, Alex Cohn <alexcohn at netvision.net.il> wrote:

> On Mon, May 28, 2012 at 10:40 AM, Alfredo Perez <alfredo at perseum.com>
> wrote:
> > Hi everyone,
> >
> > I'm new to this list so I want to say hello first of all and second
> > congratulate you for the excellent work you are doing.
> >
> > I am running version 0.8.11 "love" version of the ffmpeg library on my
> > application. The encoder works fine. It takes ~60 milliseconds to encode
> > each frame. The problem is that I could not compile the library for the
> > decoder with assembler enabled.
>
> Which toolchain are you using?
>
> > It takes more than 250 milliseconds to
> > decode each frame. I am using gop size 10, at 8 frames per second,
> > max_b_frames = 3.
> >
> > Do you know if there is any option on the codecContext for the decoder
> that
> > I can use to reduce the quality but increasing the speed?
> >
> > Thank you very much.
> > Alfredo.
>
> BR,
> Alex
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