回复: low performance of gst plugin "androidmedia" with hardware decoder

Sebastian Dröge slomo at circular-chaos.org
Wed Sep 4 02:02:07 PDT 2013


On Mi, 2013-09-04 at 10:29 +0200, Andoni Morales wrote:
> 
> 
> 
> 2013/9/4 jojo <rjiejie at gmail.com>
>         Hi, 
>         
>         
>         Yes, i am sure the androidmedia plugin is working in my
>         testing,
>         
>         
>         but i make a mistake, i am testing again in 1080P case, the
>         CS(NV12 -> RGBx) operation
>         
>         
>         costs about 70ms average time per frame …. it is too much, i
>         use the ffmpegcolorspace plugin to do that, it's the limit of
>         performance in my case  :( 
>         
>         
>         is there acceleration API about for CS operation in android ?
>         or how to use the YUV format bitmap to display ?
>         
>         
>         i think about this function is a standard module in HW/chip.
> 
> 
> Most colorspace operations are handled by liborc, and it might be
> possible that since we don't build for neon it's taking a slower path.

orc detects at runtime if it can use neon or anything else, so it will
use neon if available.

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 198 bytes
Desc: This is a digitally signed message part
URL: <http://lists.freedesktop.org/archives/gstreamer-android/attachments/20130904/a0a8d20d/attachment-0001.pgp>


More information about the gstreamer-android mailing list