Camera快门声音去除

LINUX/android/frameworks/av/services/camera/libcameraservice/CameraService.cpp

property_get就是用adbshell getprop看的属性，可以在JAVA代码中设置。

SystemProperties.set(“persist.sys.camera.silent”,”1”);

voidCameraService::playSound(sound_kind kind) {

LOG1("playSound(%d)",kind);

Mutex::Autolocklock(mSoundLock);

spplayer = mSoundPlayer[kind];

//Aaron@20150410add for disable shutter sound when silent.

charsilent[PROPERTY_VALUE_MAX]="";

property_get("persist.sys.camera.silent",silent,"0");

if(strncmp(silent,"0",1)==0)//end

{

if(player != 0) {

player->seekTo(0);

player->start();

}

}

}