OMAP DSP ѧϰ±Ê¼Ç£¨LINUXƽ̨£©£¨¶þ£©DMAI
DMAI(DaVinci Multimedia Application Interface)ÊÇDSPÌṩ¸øARM¶ËÓ¦ÓóÌÐòµÄµ÷Óýӿڣ¬DSPÒ²ÊÇÒÀÀµÓÚDSPLINKµÄ¡£ DMAIÖÐÒ²ÌṩÁËÐí¶àVISA (video, imaging, speech and audio)±à½âÂëµÄʵÀý¡£DMAIÌṩµÄÊÇÒ»ÖÖ¹¦ÄܵijéÏ󣬶øÔÚ¾ßÌåʵÏÖÉÏ£¬²»Í¬Ó²¼þƽ̨£¬²»Í¬ÏµÍ³ÊDz»Ò»¸öÑùµÄ¡£ÁíÍ⣬ÓÉÓÚDMAIÊÇÒÔÔ´´úÂëµÄÐÎʽÌṩµÄ£¬ËùÒÔ¿ÉÒÔÓÃÀ´²Î¿¼Íê³ÉһЩ±ðµÄÈÎÎñ£¬±ÈÈçÉ豸Çý¶¯¡£ DMAIµÄÓÅÊÆ£º 1. ÒÆÖ²ºÍÖØÓãºÀýÈçTI GStreamer plugin¾ÍÊÇ»ùÓÚDMAI£¬Ëü¿ÉÒÔ·½±ãµÄÒÆÖ²µ½ÆäËûµÄdavinciƽ̨¡£ 2. Èí¼þ½Ó¿ÚÒ»Ö£º £¨1£©¶Ôµ×²ãÓ²¼þ¼ÓËÙ²¿·Ö³éÏó·â×°£¬Ê¹¿ª·¢Õß²»ÐèÒªÃ÷°×ƽ̨µÄÌØ¶¨ÊµÏÖ £¨2£©Ö§³ÖËùÓеÄcodec£¬Ê¹¿ª·¢Õß²»±ØÃ÷°×xDM°æ±¾µÄϸ½ÚÓëÇø±ð £¨3£©¶ÔÏÔʾµÄ³éÏó£¨FBDEVºÍV4L2£© £¨4£©¹ÜÀíµ×²ãϸ½ÚÓë´íÎó´¦Àí ´úÂëʾÀý£º {
#include
#include
#include
#include
#include
#include
#include
#include
Adec_Handle hAd;
Loader_Handle hLoader;
Buffer_Handle hOutBuf, hInBuf;
Engine_Handle hEngine;
Sound_Handle hSound;
AUDDEC_Params params = Adec_Params_DEFAULT;
AUDDEC_DynamicParams dynParams = Adec_DynamicParams_DEFAULT;
Loader_Attrs lAttrs = Loader_Attrs_DEFAULT;
Buffer_Attrs bAttrs = Buffer_Attrs_DEFAULT;
Sound_Attrs sAttrs = Sound_Attrs_STEREO_DEFAULT;
CERuntime_init();
Dmai_init();
hSound = Sound_create(&sAttrs);
hEngine = Engine_open("myengine", NULL, NULL);
hAd = Adec_create(hEngine, "aacdec", ¶ms, &dynParams);
hOutBuf = Buffer_create(Adec_getOutBufSize(hAd), &bAttrs);
lAttrs.readSize = Adec_getInBufSize(hAd);
lAttrs.readBufSize = lAttrs.readSize * 2;
hLoader = Loader_create("myfile.aac", &lAttrs);
Loader_prime(hLoader, &hInBuf);
while (1) {
Adec_process(hAd, hInBuf, hOutBuf);
Sound_write(hSound, hOutBuf);
Ïà¹ØÎĵµ£º
ת£ºhttp://www.nounix.com/linux-explore-the-legend-of-the-beginning-of-the-first-act-14577/
<Linux ̽Ë÷>
µÄÄ¿µÄÊǰïÖúÄúÈÏʶLinux Õâ¸ö²©´ó¾«ÉîµÄ²Ù×÷ϵͳ²úÆ·£¬Èç¹ûÄú´ø×ÅÏë³ÉΪר¼Ò»òÕß¶¥¼âLinux ÈËÎïÀ´¿´±¾Îĵϰ£¬Äú¿Ï¶¨ÒªÊ§ÍûÁË¡£ÒòΪÎÒ×Ô¼ºÒ²»¹ÊÇLinux µÄ³õѧÕߣ¬ÔõôÄܹ»Ð´³öÈÃÄú³ÉΪ¸ßÊÖµÄÎÄÕ£¿£¨Ð ......
¹ØÓÚlinuxͼÐνçÃæµÄ»ù±¾ÖªÊ¶
×÷Õß:GuCuiwen email:win2linux@163.com
ºÜ¶àLinux³õѧÕß·Ö²»Çå³þLinuxºÍXÖ®¼ä, XºÍXfree86Ö®¼ä, XºÍKDE, GNOMEµÈÖ®¼äÊÇʲô¹ØÏµ. ³£³£»ìÏý¸ÅÄî,ÎÒÏëÒԱȽÏÒ×ÓÚÀí½âµÄ·½Ê½ËµÃ÷Ò»ÏÂX,X11,XFREE,WM,KDE,GNOMEµÈÖ®¼äµÄ¹ØÏµ.ÓÉÓÚ±¾ÈËˮƽÓÐÏÞ¿ÉÄÜ´æÔÚ´íÎó,Çë¸ßÊÖÖ¸Õý ......
Ŀ¼Ë÷Òý
Ò»¡¢ÓëÓû§¹ÜÀíÏà¹ØµÄ
ÅäÖÃÎļþ£»
1¡¢/etc
/passwd ºÍ/etc/groups
2¡¢³¬¼¶È¨
ÏÞ¿ØÖÆ sudo µÄÅäÖÃÎļþ/etc/sudoers £»
3¡¢Ìí¼ÓÓÃ
»§¹æÔòÎļþ /etc/login.defs ºÍ /etc/default/useradd
¶þ¡¢Ìí¼ÓÓû§¹¤¾ßºÍ·½
·¨£»
1¡¢useradd
¹¤¾ß£»
1.1¡¢
useraadd ÃüÁîÖÐµÄ -DÔËÓÃ
1.2¡¢
useradd Ìí¼ÓÓû§£»
......
×î½üÏëÔÚ·þÎñÆ÷ÉÏÊÔÊÔMySQL5.1µÄ·ÖÇø£¬ÓÚÊǾÍÏë×Å×°¸öMySQL5.1£¬¾¹ýÍ´¿àµÄÒ»¶Î¾Àúºó£¬ÖÕÓÚÕÒ¸öÏÂÃæ×°¸öºÜºÃµÄ½Ì³Ì£¬ÌûÉÏÀ´±¸Íü¡£
1¡¢MySQLÃâ°²×°°æ/¶þ½øÖưæÈí¼þ£¬²»ÓñàÒ룬ÏÂÔØµØÖ·£º
http://dev.mysql.com/downloads/
Îļþ¸ñʽ£ºMYSQL-VERSION-OS.tar.gz
2¡¢´ ......