On Tue, Feb 25, 2014 at 9:40 AM, Manuel Braga <[email protected]> wrote: > On Mon, 24 Feb 2014 19:38:46 -0500 "[email protected]" > <[email protected]> wrote: >> On Mon, Feb 24, 2014 at 6:21 PM, Manuel Braga <[email protected]> >> wrote: >> > On Mon, 24 Feb 2014 16:17:31 -0500 "[email protected]" >> > <[email protected]> wrote: >> >> Compare it to these public Dropcams. They are using a slightly >> >> better image sensor - OV5630. 500Kb/s 720P h.264 high encoding. >> >> https://www.dropcam.com/cameras/featured >> >> >> >> CPU - http://www.ambarella.com/ >> >> >> >> I'd love to get that good of quality recording. >> > >> > You know who to go complain => Allwinner >> >> What I can't tell is if the hardware is good and the software is just >> messed up, or if the hardware is fundamentally broken. >> >> So maybe I can do an experiment. First I can save some uncompressed >> stills to assess the camera. >> >> Second, there is uncompressed test 720P video here. >> https://media.xiph.org/video/derf/ >> >> I can feed it through the compression hardware and compare to x86 >> software encoders. This works since there is no requirement to >> compress in real-time. There is no way to save real-time uncompressed >> video on the A20. It is just too fast. Would you happen to already >> have an app written that can compress the raw video? > > https://github.com/patrickhwood/h264encoder > This is it, remenber NV12 format, both width and height must be a > 32 multiple.
720 is 16 multiple. Is that easy to change? NV12 is same as YUV 4:2:0, right? There are uncompressed YUV 4:2:0 720P samples here. https://media.xiph.org/video/derf/ > > >> >> This will provide some good data for Allwinner if it show problems in >> the h264 encoder. >> > > > -- > > -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. -- Jon Smirl [email protected] -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
