Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-06-02 Thread jonsm...@gmail.com
I'm still interested in the V3 and the V3S. How much DRAM in the V3S? Is there a datasheet yet? Since me the Chinese one and I will have someone translate. I have a Grain Media dev kit on my desk for the GM8138S and we've built two rounds of prototype PCBs. Our main complaint with the GM8138S has

Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-05-07 Thread kevin.z.m...@gmail.com
On 2015-05-05 at 21:21, jonsm...@gmail.com wrote: >On Tue, May 5, 2015 at 12:00 AM, kevin.z.m...@gmail.com > wrote: >> >> On 2015-04-29 at 21:20, jonsm...@gmail.com wrote: >>>On Tue, Apr 28, 2015 at 10:37 PM, kevin.z.m...@gmail.com >>> wrote: Hi, The encoder allows you to set the

Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-05-05 Thread jonsm...@gmail.com
On Tue, May 5, 2015 at 12:00 AM, kevin.z.m...@gmail.com wrote: > > On 2015-04-29 at 21:20, jonsm...@gmail.com wrote: >>On Tue, Apr 28, 2015 at 10:37 PM, kevin.z.m...@gmail.com >> wrote: >>> Hi, >>> >>> The encoder allows you to set the MaxQp(0~51), MinQp(0~51), and >>> MaxBitrate >>> >>> paramete

Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-05-04 Thread kevin.z.m...@gmail.com
On 2015-04-29 at 21:20, jonsm...@gmail.com wrote: >On Tue, Apr 28, 2015 at 10:37 PM, kevin.z.m...@gmail.com > wrote: >> Hi, >> >> The encoder allows you to set the MaxQp(0~51), MinQp(0~51), and MaxBitrate >> >> parameters. MaxQp and MinQp are used to controlpicture quality and >> MaxBitrate >> >>

Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-04-29 Thread jonsm...@gmail.com
get it. > > then maybe reduce the qulity of the picture. > > > > kevin.z.m...@gmail.com > > > From: jonsm...@gmail.com > Date: 2015-04-27 21:22 > To: achun liu > CC: linux-sunxi > Subject: Re: [linux-sunxi] How to adjust bitrate of a

Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-04-29 Thread lyc . achun
et > > it to work for lower bitrates , please try to change MaxQp to a bigger > value, > > then maybe reduce the qulity of the picture. > > -- > kevin@gmail.com > > > *From:* jons...@gmail.com > *Date:* 2015-04-27 21:22 > *T

Re: Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-04-28 Thread kevin.z.m...@gmail.com
. If you could not get it to work for lower bitrates , please try to change MaxQp to a bigger value, then maybe reduce the qulity of the picture. kevin.z.m...@gmail.com From: jonsm...@gmail.com Date: 2015-04-27 21:22 To: achun liu CC: linux-sunxi Subject: Re: [linux-sunxi] How to adjust bitrate of

Re: [linux-sunxi] How to adjust bitrate of allwinner's encoder dynamically

2015-04-27 Thread jonsm...@gmail.com
On Mon, Apr 27, 2015 at 2:45 AM, wrote: > hi,all, > > How to adjust bitrate of allwinner's encoder dynamically,I tried to change, > but did not seem to effect. I could not get it to work for lower bitrates. After about 1.5Mb/s it stopped doing anything. I needed 500Kb/s for my application and w