/**
* @brief Unlock the previously acquired buffer.
* @param[in] data The sample data storage previously acquired.
* @return PXCM_STATUS_NO_ERROR Successful execution.
*/
public pxcmStatus ReleaseAccess(AudioData data)
{
AudioDataNative dataNative = data as AudioDataNative;
if (dataNative == null)
{
return(pxcmStatus.PXCM_STATUS_HANDLE_INVALID);
}
if (dataNative.native == IntPtr.Zero)
{
return(pxcmStatus.PXCM_STATUS_HANDLE_INVALID);
}
Marshal.WriteInt32(dataNative.native, Marshal.OffsetOf(typeof(AudioData), "dataSize").ToInt32(), unchecked ((Int32)data.dataSize));
pxcmStatus sts = PXCMAudio_ReleaseAccess(instance, dataNative.native);
Marshal.FreeHGlobal(dataNative.native);
dataNative.native = IntPtr.Zero;
return(sts);
}
/**
* @brief Lock to access the internal storage of a specified format. The function will perform format conversion if unmatched.
* @param[in] access The access mode.
* @param[in] format The requested smaple format.
* @param[in] options The option flags
* @param[out] data The sample data storage, to be returned.
* @return PXC_STATUS_NO_ERROR Successful execution.
*/
public pxcmStatus AcquireAccess(Access access, AudioFormat format, Option options, out AudioData data)
{
AudioDataNative dataNative = new AudioDataNative();
dataNative.native = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(AudioDataNative)));
data = dataNative;
pxcmStatus sts = PXCMAudio_AcquireAccess(instance, access, format, options, dataNative.native);
if (sts >= pxcmStatus.PXCM_STATUS_NO_ERROR)
{
IntPtr native = dataNative.native;
Marshal.PtrToStructure(dataNative.native, dataNative);
dataNative.native = native;
}
else
{
Marshal.FreeHGlobal(dataNative.native);
dataNative.native = IntPtr.Zero;
}
return(sts);
}
/**
@brief Lock to access the internal storage of a specified format. The function will perform format conversion if unmatched.
@param[in] access The access mode.
@param[in] format The requested smaple format.
@param[in] options The option flags
@param[out] data The sample data storage, to be returned.
@return PXC_STATUS_NO_ERROR Successful execution.
*/
public pxcmStatus AcquireAccess(Access access, AudioFormat format, Option options, out AudioData data)
{
AudioDataNative dataNative = new AudioDataNative();
dataNative.native = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(AudioDataNative)));
data = dataNative;
pxcmStatus sts = PXCMAudio_AcquireAccess(instance, access, format, options, dataNative.native);
if (sts >= pxcmStatus.PXCM_STATUS_NO_ERROR)
{
IntPtr native = dataNative.native;
Marshal.PtrToStructure(dataNative.native, dataNative);
dataNative.native = native;
}
else
{
Marshal.FreeHGlobal(dataNative.native);
dataNative.native = IntPtr.Zero;
}
return sts;
}