gaoyifan

file=`find . -name '*.mp4' | sed 's/^\.\// -cat "/g' | tr '\n' '"'`
#echo $file
echo "MP4Box $file output.mp4" | bash

gaoyifan

diff --git a/Makefile.in b/Makefile.in
index 6a94c01..0cfbd52 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,4 +1,4 @@
-# Makefile.in generated by automake 1.13.2 from Makefile.am.
+# Makefile.in generated by automake 1.14.1 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994-2013 Free Software Foundation, Inc.

gaoyifan

long long getCPUtime()
{
	unsigned int time_low,time_high;
	asm("rdtsc \n\t");
	asm("movl %%eax, %0\n\t":"=g"(time_low));
	asm("movl %%edx, %0\n\t":"=g"(time_high));
	return ((long long)time_high << 32) | time_low; 
}

gaoyifan

RTAI installation for ubuntu 14.04

Preparation

download and unzip

cd /usr/src
curl -L https://www.rtai.org/userfiles/downloads/RTAI/rtai-4.1.tar.bz2 | tar xj
curl -L https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.10.32.tar.xz | tar xJ
curl -L http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10.32-saucy/linux-image-3.10.32-031032-generic_3.10.32-031032.201402221635_amd64.deb -o linux-image-3.10.32-generic-amd64.deb

gaoyifan

ubuntu 添加新硬盘

查看硬盘：

# fdisk -l
...
Disk /dev/sdb: 274.9 GB, 274877906944 bytes
255 heads, 63 sectors/track, 33418 cylinders, total 	536870912 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

gaoyifan

RTT installation for ubuntu14.04 base on RTAI kernel

install requirement (assuming that use the image I provided)

apt-get install build-essential cmake libxerces-c2-dev omniorb libboost-all-dev doxygen

get RTT source

cd /usr/src
git clone git://gitorious.org/orocos-toolchain/rtt.git

add environment varible

export RTAI_ROOT_DIR=/usr/realtime
export RTAI_INCLUDE_DIR=$RTAI_ROOT_DIR/include

export RTAI_LIBRARY=$RTAI_ROOT_DIR/lib

gaoyifan

server {
	listen 80;
	listen 443;
	listen [::]:80;
	listen [::]:443;
	
	server_name fonts.lug.ustc.edu.cn;
	access_log	/var/log/nginx/revproxy_access.log;
	error_log	/var/log/nginx/revproxy_error.log;
	

gaoyifan

package main

import (
	"bytes"
	"encoding/binary"
	"fmt"
	"image/png"
	"os"
)

gaoyifan

Keybase proof

I hereby claim:

• I am gaoyifan on github.
• I am ylgaoyifan (https://keybase.io/ylgaoyifan) on keybase.
• I have a public key whose fingerprint is 9729 B528 F023 EBA7 C4FE 8318 50E3 DB81 7CCE F878

To claim this, I am signing this object:

gaoyifan

[    0.573915] pci 0000:00:1a.0: reg 0x20: [io  0x9e80-0x9e9f]
[    0.574011] pci 0000:00:1a.0: System wakeup disabled by ACPI
[    0.574059] pci 0000:00:1a.1: [8086:3a38] type 00 class 0x0c0300
[    0.574098] pci 0000:00:1a.1: reg 0x20: [io  0x9e20-0x9e3f]
[    0.574194] pci 0000:00:1a.1: System wakeup disabled by ACPI
[    0.574240] pci 0000:00:1a.2: [8086:3a39] type 00 class 0x0c0300
[    0.574280] pci 0000:00:1a.2: reg 0x20: [io  0x9dc0-0x9ddf]
[    0.574373] pci 0000:00:1a.2: System wakeup disabled by ACPI
[    0.574429] pci 0000:00:1a.7: [8086:3a3c] type 00 class 0x0c0320
[    0.574449] pci 0000:00:1a.7: reg 0x10: [mem 0xfaaf6000-0xfaaf63ff]