public bool GetAllCameraMetadataTags(IntPtr cameraMetadataHandle, List <CameraMetadataTag> resultList)
{
IntPtr ndkMetadataHandle = IntPtr.Zero;
ExternApi.ArImageMetadata_getNdkCameraMetadata(m_NativeSession.SessionHandle,
cameraMetadataHandle, ref ndkMetadataHandle);
IntPtr tagsHandle = IntPtr.Zero;
int tagsCount = 0;
NdkCameraStatus status = ExternApi.ACameraMetadata_getAllTags(ndkMetadataHandle, ref tagsCount, ref tagsHandle);
if (status != NdkCameraStatus.Ok)
{
ARDebug.LogErrorFormat("ACameraMetadata_getAllTags error with native camera error code: {0}",
status);
return(false);
}
for (int i = 0; i < tagsCount; i++)
{
resultList.Add((CameraMetadataTag)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <int>(tagsHandle, i),
typeof(int)));
}
return(true);
}
public void GetValues(IntPtr cameraMetadataHandle,
ARCameraMetadataTag tag, List <ARCameraMetadataValue> resultList)
{
IntPtr ndkMetadataHandle = IntPtr.Zero;
NDKAPI.HwArImageMetadata_getNdkCameraMetadata(m_ndkSession.SessionHandle,
cameraMetadataHandle, ref ndkMetadataHandle);
resultList.Clear();
NdkCameraMetadata entry = new NdkCameraMetadata();
NdkCameraStatus status = NDKAPI.ACameraMetadata_getConstEntry(ndkMetadataHandle, tag, ref entry);
if (status != NdkCameraStatus.Ok)
{
ARDebug.LogError("ACameraMetadata_getConstEntry error with native camera error code: {0}",
status);
return;
}
for (int i = 0; i < entry.Count; i++)
{
switch (entry.Type)
{
case NdkCameraMetadataType.Byte:
sbyte byteValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <sbyte>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(byteValue));
break;
case NdkCameraMetadataType.Int32:
int intValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <int>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(intValue));
break;
case NdkCameraMetadataType.Float:
float floatValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <float>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(floatValue));
break;
case NdkCameraMetadataType.Int64:
long longValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <long>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(longValue));
break;
case NdkCameraMetadataType.Double:
double doubleValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <double>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(doubleValue));
break;
case NdkCameraMetadataType.Rational:
ARCameraMetadataRational rationalValue = MarshalingHelper.GetValueOfUnmanagedArrayElement <
ARCameraMetadataRational>(entry.Value, i);
resultList.Add(new ARCameraMetadataValue(rationalValue));
break;
default:
return;
}
}
}
public void GetAllCameraMetadataTags(IntPtr cameraMetadataHandle, List <ARCameraMetadataTag> resultList)
{
IntPtr metadataHandle = IntPtr.Zero;
NDKAPI.HwArImageMetadata_getNdkCameraMetadata(m_ndkSession.SessionHandle,
cameraMetadataHandle, ref metadataHandle);
IntPtr tagsHandle = IntPtr.Zero;
int tagsCount = 0;
NdkCameraStatus status = NDKAPI.ACameraMetadata_getAllTags(metadataHandle, ref tagsCount, ref tagsHandle);
if (status != NdkCameraStatus.Ok)
{
ARDebug.LogError("ACameraMetadata_getAllTags error with native camera error code: {0}",
status);
return;
}
for (int i = 0; i < tagsCount; i++)
{
resultList.Add((ARCameraMetadataTag)MarshalingHelper.GetValueOfUnmanagedArrayElement <int>(tagsHandle, i));
}
}
public bool TryGetValues(IntPtr cameraMetadataHandle,
CameraMetadataTag tag, List <CameraMetadataValue> resultList)
{
IntPtr ndkMetadataHandle = IntPtr.Zero;
ExternApi.ArImageMetadata_getNdkCameraMetadata(m_NativeSession.SessionHandle,
cameraMetadataHandle, ref ndkMetadataHandle);
resultList.Clear();
NdkCameraMetadata entry = new NdkCameraMetadata();
NdkCameraStatus status = ExternApi.ACameraMetadata_getConstEntry(ndkMetadataHandle, tag, ref entry);
if (status != NdkCameraStatus.Ok)
{
ARDebug.LogErrorFormat("ACameraMetadata_getConstEntry error with native camera error code: {0}",
status);
return(false);
}
for (int i = 0; i < entry.Count; i++)
{
switch (entry.Type)
{
case NdkCameraMetadataType.Byte:
sbyte byteValue = (sbyte)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <sbyte>(entry.Value, i),
typeof(sbyte));
resultList.Add(new CameraMetadataValue(byteValue));
break;
case NdkCameraMetadataType.Int32:
int intValue = (int)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <int>(entry.Value, i),
typeof(int));
resultList.Add(new CameraMetadataValue(intValue));
break;
case NdkCameraMetadataType.Float:
float floatValue = (float)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <float>(entry.Value, i),
typeof(float));
resultList.Add(new CameraMetadataValue(floatValue));
break;
case NdkCameraMetadataType.Int64:
long longValue = (long)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <long>(entry.Value, i),
typeof(long));
resultList.Add(new CameraMetadataValue(longValue));
break;
case NdkCameraMetadataType.Double:
double doubleValue = (double)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <double>(entry.Value, i),
typeof(double));
resultList.Add(new CameraMetadataValue(doubleValue));
break;
case NdkCameraMetadataType.Rational:
CameraMetadataRational rationalValue = (CameraMetadataRational)Marshal.PtrToStructure(
MarshalingHelper.GetPtrToUnmanagedArrayElement <CameraMetadataRational>(entry.Value, i),
typeof(CameraMetadataRational));
resultList.Add(new CameraMetadataValue(rationalValue));
break;
default:
return(false);
}
}
return(true);
}
