[linux-sunxi] It seems that AllWinner released media codec source code

At least the source code of mpeg2, mpeg4, jpeg, h.264 decode library has been released today: github.com/allwinner-zh/media-codec Well done, allwinner. Hope encode library will follow. -- You received this message because you are subscribed to the Google Groups linux-sunxi group. To

[linux-sunxi] Does anyone success encode image to jpg stream by using allwinner media-codec library?

Hi, all. I'm writing a program that encode image (grab from camera sensor) to jpg file. I saw there ia a function named AWJpecEnc() in allwinner media-codec library, so I use it. But when I call this function, the cpu load up to 100% and this function don't return, it seems that this function

[linux-sunxi] g2d rotation has poor performance, is it normal?

Hi, all. I'm capturing image from csi, with yuv420 pixel format (G2D_FMT_PYUV420UVC) and the size is 1280x720. I need to rotate the image, as csi don't support rotation, so I employ g2d. But the rotation performance is very poor. I meansure the performance by calculating how many time

[linux-sunxi] Re: g2d rotation has poor performance, is it normal?

I'm using a10 and linux-sunxi kernel 3.4 from linux-sunxi github repository. 在 2015年2月4日星期三 UTC+8下午11:22:14，jacky lau写道： Hi, all. I'm capturing image from csi, with yuv420 pixel format (G2D_FMT_PYUV420UVC) and the size is 1280x720. I need to rotate the image, as csi don't support rotation

Re: Re: [linux-sunxi] Allwinner documentation (hardware datasheet, user manual) for A10, A10s, A13, A20, A31, A31s

2014年10月11日星期六UTC+8下午10时53分48秒，Jon Smirl写道： On Sat, Oct 11, 2014 at 10:31 AM, jacky lau i90...@gmail.com javascript: wrote: A big client will buy thousands of chips once. Are there any relation between big client and user manual publishing? No. So they don't think it's necessary

Re: Re: [linux-sunxi] Allwinner documentation (hardware datasheet, user manual) for A10, A10s, A13, A20, A31, A31s

A big client will buy thousands of chips once. Are there any relation between big client and user manual publishing? No. So they don't think it's necessary to open their private property. When you are a big client, you are VIP, all document and source code is open to you. And if publish all

[linux-sunxi] configure lcdc in u-boot do not working, any suggestion?

I has a AllWinner A10 board which with a 480x800 LCD panel connected. I want to configure the lcdc in u-boot. But after setting the registers, no signal output in LCD0_xxx pin. Below is my u-boot commands, do I miss anything? # port config, set PDx to LCD0_x base 0x01c20800 mw 0x6c 0x

[linux-sunxi] DirectFB has poor performance in A10?

Hi, all. I run a DirectFB program on an AllWinner A10 board (1GHz with 512MB 16bit RAM). My program is simple, it display a window and show a RGBA png image(800x480). But the program cost about 2.5 seconds from create window to show the image. The performance is very poor. Is it normal? -- You