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 bool GetAllCameraMetadataTags( IntPtr cameraMetadataHandle, List <CameraMetadataTag> resultList) { if (InstantPreviewManager.IsProvidingPlatform) { InstantPreviewManager.LogLimitedSupportMessage("access camera metadata tags"); return(false); } IntPtr tagsHandle = IntPtr.Zero; int tagsCount = 0; ExternApi.ArImageMetadata_getAllKeys( _nativeSession.SessionHandle, cameraMetadataHandle, ref tagsCount, ref tagsHandle); if (tagsCount == 0 || tagsHandle == IntPtr.Zero) { ARDebug.LogError( "ArImageMetadata_getAllKeys error with empty metadata keys list."); return(false); } for (int i = 0; i < tagsCount; i++) { resultList.Add((CameraMetadataTag)Marshal.PtrToStructure( MarshalingHelper.GetPtrToUnmanagedArrayElement <int>(tagsHandle, i), typeof(int))); } return(true); }
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); }
public bool TryGetValues(IntPtr cameraMetadataHandle, CameraMetadataTag tag, List <CameraMetadataValue> resultList) { resultList.Clear(); uint utag = (uint)tag; ArCameraMetadata entry = new ArCameraMetadata(); ApiArStatus status = ExternApi.ArImageMetadata_getConstEntry(_nativeSession.SessionHandle, cameraMetadataHandle, utag, ref entry); if (status != ApiArStatus.Success) { ARDebug.LogErrorFormat( "ArImageMetadata_getConstEntry error with native camera error code: {0}", status); return(false); } if (entry.Count > _maximumTagCountForWarning && !_warningTags.Contains((int)tag)) { Debug.LogWarningFormat( "TryGetValues for tag {0} has {1} values. Accessing tags with a large " + "number of values may impede performance.", tag, entry.Count); _warningTags.Add((int)tag); } for (int i = 0; i < entry.Count; i++) { switch (entry.Type) { case ArCameraMetadataType.Byte: sbyte byteValue = (sbyte)Marshal.PtrToStructure( MarshalingHelper.GetPtrToUnmanagedArrayElement <sbyte>(entry.Value, i), typeof(sbyte)); resultList.Add(new CameraMetadataValue(byteValue)); break; case ArCameraMetadataType.Int32: int intValue = (int)Marshal.PtrToStructure( MarshalingHelper.GetPtrToUnmanagedArrayElement <int>(entry.Value, i), typeof(int)); resultList.Add(new CameraMetadataValue(intValue)); break; case ArCameraMetadataType.Float: float floatValue = (float)Marshal.PtrToStructure( MarshalingHelper.GetPtrToUnmanagedArrayElement <float>(entry.Value, i), typeof(float)); resultList.Add(new CameraMetadataValue(floatValue)); break; case ArCameraMetadataType.Int64: long longValue = (long)Marshal.PtrToStructure( MarshalingHelper.GetPtrToUnmanagedArrayElement <long>(entry.Value, i), typeof(long)); resultList.Add(new CameraMetadataValue(longValue)); break; case ArCameraMetadataType.Double: double doubleValue = (double)Marshal.PtrToStructure( MarshalingHelper.GetPtrToUnmanagedArrayElement <double>(entry.Value, i), typeof(double)); resultList.Add(new CameraMetadataValue(doubleValue)); break; case ArCameraMetadataType.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); }