T GetProperty <T> (AudioFileProperty property)
{
int size, writable;
if (AudioFileGetPropertyInfo(handle, property, out size, out writable) != 0)
{
return(default(T));
}
var buffer = Marshal.AllocHGlobal(size);
if (buffer == IntPtr.Zero)
{
return(default(T));
}
try {
var r = AudioFileGetProperty(handle, property, ref size, buffer);
if (r == 0)
{
return((T)Marshal.PtrToStructure(buffer, typeof(T)));
}
return(default(T));
} finally {
Marshal.FreeHGlobal(buffer);
}
}
void SetInt(AudioFileProperty property, int value)
{
unsafe
{
AudioFileSetProperty(handle, property, 4, (IntPtr)(&value));
}
}
public IntPtr GetProperty(AudioFileProperty property, out int size)
{
int writable;
var r = AudioFileGetPropertyInfo(handle, property, out size, out writable);
if (r != 0)
{
return(IntPtr.Zero);
}
var buffer = Marshal.AllocHGlobal(size);
if (buffer == IntPtr.Zero)
{
return(IntPtr.Zero);
}
r = AudioFileGetProperty(handle, property, ref size, buffer);
if (r == 0)
{
return(buffer);
}
Marshal.FreeHGlobal(buffer);
return(IntPtr.Zero);
}
private void ProcessRawAudioData(bool is_finish = false)
{
string path = null;
if (is_finish == false)
{
//1. Check total length off audio
if (IsEnoughData() == false)
{
return;
}
path = SaveAudioFromBufferToFile();
}
else
{
path = SaveAllAudioFromBufferFile();
}
//2. Save to wav file and Put in list audio buffer
if (path != null)
{
AudioFileProperty mp3File = new AudioFileProperty(path);
mListOfflineAudioFile.Add(mp3File);
}
//4. Send to backend server
sendAudioFileToBackend();
//5. Update View
RefreshDataView(mListOfflineAudioFile);
}
long GetLong(AudioFileProperty property)
{
unsafe {
long val = 0;
int size = 8;
if (AudioFileGetProperty(handle, property, ref size, (IntPtr)(&val)) == 0)
{
return(val);
}
return(0);
}
}
IntPtr GetIntPtr(AudioFileProperty property)
{
unsafe {
IntPtr val = IntPtr.Zero;
int size = sizeof(IntPtr);
if (AudioFileGetProperty(handle, property, ref size, (IntPtr)(&val)) == 0)
{
return(val);
}
return(IntPtr.Zero);
}
}
int GetInt(AudioFileProperty property)
{
unsafe {
int val = 0;
int size = 4;
if (AudioFileGetProperty(handle, property, ref size, (IntPtr)(&val)) == 0)
{
return(val);
}
return(0);
}
}
private static unsafe void CopyPropertyFromFileToQueue(AudioStream *pThis, AudioFileProperty fileProp, AudioQueueProperty queueProp)
{
int size = sizeof(uint);
OSStatus status = API.AudioFileGetPropertyInfo(pThis->AudioFile, fileProp, &size, null);
if (status == 0 && size > 0)
{
void *pData = (void *)Marshal.AllocHGlobal(size);
API.AudioFileGetProperty(pThis->AudioFile, fileProp, &size, pData);
API.AudioQueueSetProperty(pThis->Queue, queueProp, pData, size);
Marshal.FreeHGlobal((IntPtr)pData);
}
}
private void sendAudioFileToBackend()
{
double startSplit = 0;
for (int i = 0; i < mListOfflineAudioFile.Count; ++i)
{
AudioFileProperty file = mListOfflineAudioFile[i];
if (file.status == AudioFileProperty.TranslateStatus.Not_Sent)
{
bool sendResult = Request.UploadFileToServer(mSessionId, file.FullFilePath, startSplit);
if (sendResult == false)
{
break;
}
else
{
file.status = AudioFileProperty.TranslateStatus.Sent;
mListOfflineAudioFile[i] = file;
}
}
startSplit += file.DurationInSecond;
}
}
public bool GetProperty(AudioFileProperty property, ref int dataSize, IntPtr outdata)
{
return(AudioFileGetProperty(handle, property, ref dataSize, outdata) == 0);
}
public bool GetPropertyInfo(AudioFileProperty property, out int size, out int writable)
{
return(AudioFileGetPropertyInfo(handle, property, out size, out writable) == 0);
}
extern static OSStatus AudioFileGetPropertyInfo(AudioFileID audioFile, AudioFileProperty propertyID, out int outDataSize, out int isWritable);
public static extern unsafe OSStatus AudioFileGetPropertyInfo(AudioFileID fileID, AudioFileProperty propertyId, int *pSize, int *isWritable);
public static extern unsafe OSStatus AudioFileGetProperty(AudioFileID fileID, AudioFileProperty propertyId, int *dataSize, void *pResult);
extern static OSStatus AudioFileSetProperty(AudioFileID audioFile, AudioFileProperty property, int dataSize, IntPtr propertyData);
public bool SetProperty(AudioFileProperty property, int dataSize, IntPtr propertyData)
{
return(AudioFileSetProperty(handle, property, dataSize, propertyData) == 0);
}
extern static OSStatus AudioFileGetProperty(AudioFileID audioFile, AudioFileProperty property, ref int dataSize, IntPtr outdata);
