MediaDecoderStateMachine*
MediaOmxCommonDecoder::CreateStateMachine()
{
mReader = CreateReader();
if (mReader != nullptr) {
mReader->SetAudioChannel(GetAudioChannel());
}
return CreateStateMachineFromReader(mReader);
}
int g7712aac::init()
{
nRet = 0;
nTmp = 0;
nCount = 0;
nStatus = 0;
nPCMRead = 0;
PCMSize = /*320*/CON_PCM_SIZE;
nPCMBufferSize = 0;
unsigned int objectType = LOW;
unsigned int mpegVersion = MPEG2;
static unsigned int useTns = 0; //#define DEFAULT_TNS 0
//TODO: config this
unsigned int nChannels = 1;
nChannels = GetAudioChannel();
nPCMBitSize = 16;
nInputSamples = 0;
unsigned long nSampleRate = 8000;
nSampleRate = GetAudioSamplerate();
nMaxOutputBytes = 0;
/*open FAAC engine*/
hEncoder = faacEncOpen(nSampleRate, nChannels, &nInputSamples, &nMaxOutputBytes);
if (hEncoder == NULL)
{
if(AAC_DEBUG) printf("%s:[%d] failed to call faacEncOpen !\n", __FUNCTION__, __LINE__);
return -1;
}
nPCMBufferSize = (nInputSamples * (nPCMBitSize / 8));
pbPCMBuffer = (unsigned char*) malloc(nPCMBufferSize * sizeof (unsigned char));
memset(pbPCMBuffer, 0, nPCMBufferSize);
pbAACBuffer = (unsigned char*) malloc(nMaxOutputBytes * sizeof (unsigned char));
memset(pbAACBuffer, 0, nMaxOutputBytes);
pbG711ABuffer = (unsigned char *) malloc(/*164*/G711_ONE_LEN * sizeof (unsigned char));
memset(pbG711ABuffer, 0, /*164*/G711_ONE_LEN);
audio_buffer_ = new audio_buffer();
pbPCMTmpBuffer = (unsigned char *) malloc(PCMSize * sizeof (unsigned char));
memset(pbPCMTmpBuffer, 0, PCMSize);
/*get current encoding configuration*/
pConfiguration = faacEncGetCurrentConfiguration(hEncoder);
pConfiguration->inputFormat = FAAC_INPUT_16BIT;
/*0 - raw; 1 - ADTS*/
pConfiguration->outputFormat = 1;
pConfiguration->useTns = useTns;
pConfiguration->aacObjectType = objectType;
pConfiguration->mpegVersion = mpegVersion;
/*set encoding configuretion*/
faacEncSetConfiguration(hEncoder, pConfiguration);
// bStart = true;
//thread.reset(new boost::thread(boost::bind(encode_routine, this)));
return 0;
}
MediaDecoderStateMachine* MediaOmxDecoder::CreateStateMachine()
{
mReader = new MediaOmxReader(this);
mReader->SetAudioChannel(GetAudioChannel());
return new MediaDecoderStateMachine(this, mReader);
}