WinCE系统声音定制
作者:ARM-WinCE
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2010的第一篇Blog,介紹一下WinCE系統(tǒng)聲音的定制。說白了,就是設(shè)置注冊表。WinCE系統(tǒng)啟動的開機(jī)音樂,點(diǎn)擊觸摸屏以及鍵盤輸入的按鍵音,還有系統(tǒng)運(yùn)行過程中的各種聲音其實(shí)都是在注冊表里面預(yù)先設(shè)置好的。這里做個簡單介紹:
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整個WinCE系統(tǒng)聲音注冊表設(shè)置如下:
[HKEY_CURRENT_USER/ControlPanel/Volume]
"Key"=dword:10002
"Screen"=dword:10002
"Mute"=dword:7
"Volume"=dword:99999999
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[HKEY_LOCAL_MACHINE/Snd/Scheme]
".DefaultSounds"=mui_sz:"cplmain.cpl,#33123"
".AllSounds"=mui_sz:"cplmain.cpl,#33124"
".NoSounds"=mui_sz:"cplmain.cpl,#33127"
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[HKEY_LOCAL_MACHINE/Snd/Event]
".Scheme"=".DefaultSounds"
"EventMask"=dword:FFFFFF
"EventCache"=dword:300
; Schemedescriptions???
".NoSounds"=multi_sz:"","","","","","","","","","","","","","","","","","","","",""
".DefaultSounds"=multi_sz:"Asterisk","","critical","default","","exclam",
?????????????????????"infbeg","infend","infintr","","","","question",
?????????????????????"Infbeg","Infend","Infintr","startup","","","",""
".AllSounds"=multi_sz:"Asterisk","Close","critical","default","Empty","exclam",
?????????????????????"infbeg","infend","infintr","MenuPop","MenuSel","OpenProg","question",
?????????????????????"Infbeg","Infend","Infintr","startup","WindMax","WindMin","RecStart","RecEnd"
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這些是默認(rèn)設(shè)置,下面分別介紹一下:
1.???????音量設(shè)置
[HKEY_CURRENT_USER/ControlPanel/Volume]
"Key"=dword:10002??????????
"Screen"=dword:10002??????
"Mute"=dword:7???????????????
"Volume"=dword:99999999
Volume:是設(shè)置默認(rèn)的系統(tǒng)音量的,0為最小,也就是沒聲音了;0xFFFFFFFF為最大音量
Mute:用來設(shè)置Mute類型,0位表示Notifications,1位表示Apps,2位表示Events。默認(rèn)情況為0x7,也就是全部打開,如果為0,則表示完全Mute。
Screen:表示點(diǎn)擊觸摸屏的聲音音量,從0x1到0x10002表示從最小到最大。
Key:表示按鍵輸入的聲音音量,從0x1到0x10002表示從最小到最大。
上面的這些設(shè)置在WinCE系統(tǒng)啟動后,可以在”Control Panel”->”Volume&Sounds”中看到。
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2.?系統(tǒng)聲音的策略
[HKEY_LOCAL_MACHINE/Snd/Scheme]
".DefaultSounds"=mui_sz:"cplmain.cpl,#33123"
".AllSounds"=mui_sz:"cplmain.cpl,#33124"
".NoSounds"=mui_sz:"cplmain.cpl,#33127"
這里包含了所有的聲音策略,有默認(rèn)使用的聲音策略,打開所有聲音的策略和關(guān)閉所有聲音的策略。如果用戶想包含并使用自己聲音策略,要先在這里聲明。
每一種聲音策略都對應(yīng)到cplmain.cpl中的數(shù)字,這個定義可以在/WINCE600/PUBLIC/WCESHELLFE/OAK/CTLPNL/CPLMAIN/cplres.h中找到,如下:
#defineIDS_LOC_DEFAULTSOUNDS????????????(REBASE+0x163)?????????對應(yīng)#33123
#defineIDS_LOC_ALLSOUNDS????????????????????(REBASE+0x164)?????????對應(yīng)#33124
#defineIDS_LOC_NOSOUNDS??????????????????????(REBASE+0x167)?????????對應(yīng)#33127
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同樣如果用戶想定義自己的聲音策略,也可以在這里面添加定義。具體的不說了,下面還會提到。
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3.?聲音策略的定義
[HKEY_LOCAL_MACHINE/Snd/Event]
".Scheme"=".DefaultSounds"
"EventMask"=dword:FFFFFF
"EventCache"=dword:300
; Schemedescriptions???
".NoSounds"=multi_sz:"","","","","","","","","","","","","","","","","","","","",""
".DefaultSounds"=multi_sz:"Asterisk","","critical","default","","exclam",
?????????????????????"infbeg","infend","infintr","","","","question",
?????????????????????"Infbeg","Infend","Infintr","startup","","","",""
".AllSounds"=multi_sz:"Asterisk","Close","critical","default","Empty","exclam",
?????????????????????"infbeg","infend","infintr","MenuPop","MenuSel","OpenProg","question",
?????????????????????"Infbeg","Infend","Infintr","startup","WindMax","WindMin","RecStart","RecEnd"
這里定義了使用哪個聲音策略,以及事件的屏蔽,還有聲音策略的定義。
.Scheme:定義系統(tǒng)使用的聲音策略。
EventMask:定義是否隱藏某些聲音的事件,總共21個事件,可以選擇性的隱藏某個事件,默認(rèn)情況下,所有的事件都會在控制面板中的聲音設(shè)置中看到。這里本來想傳一張圖片,結(jié)果發(fā)現(xiàn)csdn博客的圖片上傳功能暫時關(guān)閉了。多說兩句,在控制面板中,找到聲音設(shè)置,然后切換到Sounds窗口,在Event下面就可以看到所有的聲音事件了。
實(shí)際上這些聲音事件的定義在/WINCE600/public/wceshellfe/oak/ctlpnl/cplmain/sndschem.cpp中的一個數(shù)組idsSoundEvents[NUM_SOUND_EVENTS]中。
EventCache:設(shè)置Cache的大小,用于記錄彈出窗口及窗口的切換動作。
.NoSounds:具體聲音策略的定義
.DefaultSounds:具體聲音策略的定義
.AllSounds:具體聲音策略的定義
默認(rèn)情況下,只是定義了這三種聲音策略,每一種策略定義了針對21個聲音事件分別采用什么樣的聲音。這里用戶也可以添加自己的聲音定制策略。所有的聲音文件都是.wav文件,存放在/WINCE600/public/wceshellfe/oak/files目錄下面。在創(chuàng)建WinCE工程病編譯之后,這些.wav文件會被拷貝到編譯工程的release目錄下面,并被打包到WinCE的image中去。
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4.?定制開機(jī)音樂
了解了上面的注冊表,改變開機(jī)音樂就很簡單了,對于WinCE系統(tǒng)中有21個聲音事件,其中startup事件就是指開機(jī)音樂(可以從前面的.AllSounds聲音策略定中看到),這個事件對應(yīng)的是startup.wav文件。
所以最簡單的方法就是把你的開機(jī)音樂文件命名為startup.wav,然后替換你WinCE工程編譯后release目錄下面的startup.wav文件,最后重新Makeimg一下,就可以了。
總結(jié)
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