dump pcm数据和一些备忘

dump pcm数据

void writepcmtofile(const char * fname,const void* buffer, size_t bytes)
{
static FILE *fp=NULL;
if(fp==NULL || access( fname, F_OK )==-1){
fp = fopen(fname, "ab+" );
   if(fp==NULL){
       ALOGI("can't open file!");
                 fp=NULL;
                 return;
   }
}
  if(fp!=NULL){
  fwrite(buffer , 1 , bytes , fp );
  ALOGI("write to file %d bytes",bytes);
  }
}

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一些备忘

adb shell setenforce 0
adb shell chmod 777 /data/user

在ANR出现的时候，输入三次那个命令
adb shell debuggerd -b mediaserver的进程号 >D:\trace1.txt
adb shell debuggerd -b mediaserver的进程号 >D:\trace2.txt
adb shell debuggerd -b mediaserver的进程号 >D:\trace3.txt

adb logcat -c | adb shell logcat -v threadtime> D:\012901.log

git log –oneline -10

adb shell dumpsys wifi
adb shell dumpsys cpuinfo
adb shell dumpsys power