int main()
{
bitVector myBits(8);
int i; //counters
for (i = 0; i <= 13; i++)
{
if ((i % 2) == 0) { myBits.pushTrue(); }
else { myBits.pushFalse(); }
}
cout << "Bit 0 1 2 3 4 5 6 7 8 9 A B C D\n ";
for (i = 0; i <= 13; i++)
{
cout << myBits[i] << " ";
}
cout << endl << endl;
for (i = 0; i <= 13; i++)
{
myBits.flip(i);
}
cout << "Bit 0 1 2 3 4 5 6 7 8 9 A B C D\n ";
for (i = 0; i <= 13; i++)
{
cout << myBits[i] << " ";
}
cout << endl << endl;
for (i = 0; i <= 13; i++)
{
if (myBits[i] == 1) { myBits.flip(i); }
}
cout << "Bit 0 1 2 3 4 5 6 7 8 9 A B C D\n ";
for (i = 0; i <= 13; i++)
{
cout << myBits[i] << " ";
}
cout << endl << endl;
return 0;
}
/**
\fn AudioSpecificConfig
*/
bool ADM_latm2aac::AudioSpecificConfig(getBits &bits,int &bitsConsumed)
{
int consumed=bits.getConsumedBits();
getBits myBits(bits); // get a copy, needed to extract extra data
int audioObjectType=read31plus(bits);
int samplingFrequencyIndex=bits.get(4);
if(samplingFrequencyIndex==0xf)
{
fq=(bits.get(8)<<16)+bits.get(16);
}else
{
fq=aacSampleRate[samplingFrequencyIndex];
}
int channelConfiguration=bits.get(4);
channels=aacChannels[channelConfiguration];
xdebug("ObjectType=%d\n",audioObjectType);
switch(audioObjectType)
{
case 2: // GASpecificConfig
{
bits.get(1); // frameLength
bool dependsOnCoreCoder=bits.get(1);
if(dependsOnCoreCoder) bits.skip(14);
bool extensionFlag=bits.get(1);
if(!channelConfiguration)
{
ADM_error("No channel configuraiton\n");
return false;
}
if(extensionFlag)
{
ADM_error("Extension flag\n");
return false;
}
}
break;
default:
ADM_error("AudoObjecttype =%d not handled\n",audioObjectType);
return false;
}
consumed=bits.getConsumedBits()-consumed;
bitsConsumed=consumed;
xdebug("%d bits consumed\n",consumed);
extraLen=(consumed+7)/8;
#if 0 // pad left
// fill to get 8 bits..
int top=consumed&7;
if(!top) top=8;
extraData[0]=myBits.get(top);
for(int i=1;i<extraLen;i++)
{
extraData[i]=myBits.get(8);
}
#else // pad right
for(int i=0;i<extraLen;i++)
{
int rd=consumed;
if(rd>8) rd=8;
extraData[i]=(myBits.get(rd))<<(8-rd);
consumed-=rd;
}
#endif
xdebug("Got %d extraData %x %x\n",extraLen,extraData[0],extraData[1]);
xdebug("Frequency %d, channels %d\n",fq,channels);
conf.gotConfig=true;
return true;
}
