static void writeFiles()
{
int i;
int size = listSize(fileWriteList);
for(i=0;i<size;i++)
{
struct FileWriteObject *object = getElement(fileWriteList,i);
if(object->fileStatus == 1)
{
while(listSize(object->writeObjects) > 0)
{
// TODO: optomize this method.
// When writing lots of small blocks of data, they should be combined into a single
// larger file write.
struct node *obj = popData(object->writeObjects);
struct bufferData *data = obj->data;
destroyList(obj);
if(object->wav == NULL)
fwrite(data->data,sizeof(short),data->length,object->stream);
else
WAV_WriteData(object->wav,object->stream,data);
}
}
}
}
static void openPendingFiles()
{
struct node *listObject;
struct FileWriteObject *object;
pthread_mutex_lock(&writeMutex);
if(listSize(fileOpenList) > 0)
{
listObject = popData(fileOpenList);
pthread_mutex_unlock(&writeMutex);
object = (struct FileWriteObject*)listObject->data;
destroyList(listObject);
// Warning: this can block.
FILE *stream = fopen(object->fileName,"w");
if(stream != NULL)
{
object->stream = stream;
pthread_mutex_lock(&writeMutex);
object->fileStatus = 1;
pthread_mutex_unlock(&writeMutex);
addToWritePendingList(object);
}
else
{
object->fileStatus = -1;
pthread_mutex_unlock(&writeMutex);
}
}
else
pthread_mutex_unlock(&writeMutex);
}
void MprDelay::MprDelayFifo::pushData(MpAudioBufPtr& databuff)
{
// Update number of active frames.
if (databuff.isValid() && isActiveAudio(databuff->getSpeechType()))
{
mNumActiveFrames++;
}
// Store original start position and move it forward.
int origStartPosition = mStartPosition;
mStartPosition++;
if (mStartPosition >= mBuffSize)
{
mStartPosition = 0;
}
// Store frame to the buffer.
mBuff[origStartPosition].swap(databuff);
// Check for overflow by checking start and end pointers equality.
// If they're equal after we've moved mStartPosition, then queue was
// full and have an overflow now.
if (mEndPosition == mStartPosition)
{
// In case of overflow we must (1) bump mEndPosition and (2) adjust
// mNumActiveFrames value according to the overwritten frame activity.
MpAudioBufPtr emptyBuf;
popData(emptyBuf);
OsSysLog::add(FAC_AUDIO, PRI_WARNING,
"Delay FIFO buffer has overflowed! "
"Increase capacity of MprDelayFifo.");
}
}
static void closePendingFiles()
{
if(listSize(fileCloseList) > 0)
{
int size = 0;
do
{
struct FileWriteObject *object;
struct node *listObject;
pthread_mutex_lock(&writeMutex);
size = listSize(fileCloseList) ;
if(size > 0)
listObject = popData(fileCloseList);
else
// The fileCloseList is empty, nothing to do.
break;
pthread_mutex_unlock(&writeMutex);
object = (struct FileWriteObject*)listObject->data;
destroyList(listObject);
listObject = NULL;
// Remove the object from the writing list.
popElement(fileWriteList,object);
flushOutstandingDataInObjectToFile(object);
if(object->wav == NULL)
fclose(object->stream);
else
closeWavSink(object->wav,object->stream);
destroyWriteObject(object);
size --;
}while(size > 0);
}
}
static void openPendingFiles()
{
struct node *listObject;
struct FileReadObject *object;
pthread_mutex_lock(&readMutex);
if(listSize(fileOpenList) != 0)
printf("Size is non-zero\n");
if(listSize(fileOpenList) > 0)
{
listObject = popData(fileOpenList);
pthread_mutex_unlock(&readMutex);
object = (struct FileReadObject*)listObject->data;
destroyList(listObject);
// Warning: this can block.
FILE *stream = fopen(object->fileName,"r");
if(stream != NULL)
{
object->stream = stream;
pthread_mutex_lock(&readMutex);
object->fileStatus = 1;
pthread_mutex_unlock(&readMutex);
addToReadPendingList(object);
}
else
{
object->fileStatus = -1;
pthread_mutex_unlock(&readMutex);
}
}
else
pthread_mutex_unlock(&readMutex);
}
/**
* Wait for the next data package to be ready and send it down to earth
*/
void DataHandler::sendData() {
char* binaryData = (char*) malloc(MAPT_PACKAGE_SIZE * sizeof(char));
popData(binaryData);
s3tpHandler.send(binaryData, MAPT_PACKAGE_SIZE);
delete binaryData;
}