internal override void HandleEvent(NikonObject obj, eNkMAIDEvent currentEvent, IntPtr data)
{
switch (currentEvent)
{
case eNkMAIDEvent.kNkMAIDEvent_AddChild:
case eNkMAIDEvent.kNkMAIDEvent_AddChildInCard:
HandleAddChild(data);
break;
case eNkMAIDEvent.kNkMAIDEvent_AddPreviewImage:
HandleAddPreviewImage(data);
break;
case eNkMAIDEvent.kNkMAIDEvent_CaptureComplete:
Scheduler.Callback(new CaptureCompleteDelegate(OnCaptureComplete), this, (int)data);
break;
case eNkMAIDEvent.kNkMAIDEvent_CapChange:
Scheduler.Callback(new CapabilityChangedDelegate(OnCapabilityChanged), this, (eNkMAIDCapability)data);
break;
case eNkMAIDEvent.kNkMAIDEvent_CapChangeValueOnly:
Scheduler.Callback(new CapabilityChangedDelegate(OnCapabilityValueChanged), this, (eNkMAIDCapability)data);
break;
case eNkMAIDEvent.kNkMAIDEvent_RecordingInterrupted:
Scheduler.Callback(new VideoRecordingInterruptedDelegate(OnVideoRecordingInterrupted), this, (int)data);
break;
default:
Debug.Print("Unhandled event: " + currentEvent + " (" + data.ToString() + ")");
break;
}
}
void data_DataFile(NikonObject sender, NkMAIDFileInfo fileInfo, IntPtr data)
{
if (fileInfo.ulStart == 0)
{
Debug.Assert(_currentImage == null);
int size = (int)fileInfo.ulTotalLength;
NikonImageType type = (NikonImageType)(_currentItemId >> 27);
int number = (int)((_currentItemId << 8) >> 8);
bool isFragmentOfRawPlusJpeg = (_currentItemId & (1 << 26)) != 0;
_currentImage = new NikonImage(size, type, number, isFragmentOfRawPlusJpeg);
}
Debug.Assert(_currentImage != null);
int offset = (int)fileInfo.ulStart;
int length = (int)fileInfo.ulLength;
_currentImage.CopyFrom(data, offset, length);
bool complete = (fileInfo.ulTotalLength == fileInfo.ulStart + fileInfo.ulLength);
if (complete)
{
NikonImage image = _currentImage;
_currentImage = null;
Scheduler.Callback(new ImageReadyDelegate(OnImageReady), this, image);
}
}
internal void InitializeObject(NikonObject obj)
{
_object = obj;
_object.Open();
_object.Event += _object_Event;
RefreshCaps();
}
void data_Progress(NikonObject sender,
eNkMAIDCommand ulCommand,
UInt32 ulParam,
IntPtr refComplete,
UInt32 ulDone,
UInt32 ulTotal)
{
Scheduler.Callback(new ProgressDelegate(OnProgress), this, (eNkMAIDDataObjType)sender.Id, (int)ulDone, (int)ulTotal);
}
void _object_Event(NikonObject sender, IntPtr refClient, eNkMAIDEvent ulEvent, IntPtr data)
{
switch (ulEvent)
{
case eNkMAIDEvent.kNkMAIDEvent_CapChange:
RefreshCaps();
break;
}
HandleEvent(sender, ulEvent, data);
}
internal NikonDevice(NikonMd3 md3, NikonScheduler scheduler, NikonObject parent, NikonModuleType moduleType, uint deviceId)
: base(md3, scheduler)
{
Debug.Assert(Scheduler.WorkerThreadId == Thread.CurrentThread.ManagedThreadId);
ModuleType = moduleType;
NikonObject source = new NikonObject(md3, parent, deviceId);
InitializeObject(source);
}
internal override void HandleEvent(NikonObject obj, eNkMAIDEvent currentEvent, IntPtr data)
{
switch (currentEvent)
{
case eNkMAIDEvent.kNkMAIDEvent_AddChild:
HandleAddChild(data);
break;
case eNkMAIDEvent.kNkMAIDEvent_RemoveChild:
HandleRemoveChild(data);
break;
}
}
void DataItemAcquire(NikonObject data)
{
// Listen for progress
data.Progress += data_Progress;
// Listen for data
data.DataFile += data_DataFile;
data.DataImage += data_DataImage;
data.DataSound += data_DataSound;
// Try to acquire the data object
try
{
data.CapStart(
eNkMAIDCapability.kNkMAIDCapability_Acquire,
eNkMAIDDataType.kNkMAIDDataType_Null,
IntPtr.Zero);
}
catch (NikonException ex)
{
// Is this a 'NotSupported' exception?
bool isNotSupported = (ex.ErrorCode == eNkMAIDResult.kNkMAIDResult_NotSupported);
// Is this a 'Thumbnail' data object?
bool isThumbnail = (data.Id == (uint)eNkMAIDDataObjType.kNkMAIDDataObjType_Thumbnail);
// According to the documentation, acquiring a thumbnail data object
// sometimes produces a NotSupported error. Apparently this is expected,
// so we ignore this specific case here.
bool isAllowed = isNotSupported && isThumbnail;
if (isAllowed)
{
Debug.Print("Failed to retrieve thumbnail image");
}
else
{
// If this is some other case, rethrow the exception
throw;
}
}
finally
{
// Unhook data object events
data.Progress -= data_Progress;
data.DataFile -= data_DataFile;
data.DataImage -= data_DataImage;
data.DataSound -= data_DataSound;
}
}
//
// Constructor
//
internal NikonObject(NikonMd3 md3, NikonObject parent, uint id)
{
_md3 = md3;
_parent = parent;
_id = id;
_object = new NkMAIDObject();
_object.refClient = new IntPtr(_uniqueValue);
_uniqueValue++;
_completionProc = new MAIDCompletionProcDelegate(CompletionProc);
_eventProc = new MAIDEventProcDelegate(EventProc);
_progressProc = new MAIDProgressProcDelegate(ProgressProc);
_dataProc = new MAIDDataProcDelegate(DataProc);
_uiRequestProc = new MAIDUIRequestProcDelegate(UIRequestProc);
}
//
// Get Children
//
internal NikonObject[] GetChildren()
{
List <NikonObject> children = new List <NikonObject>();
NikonEnumWithData e = GetEnumWithData(eNkMAIDCapability.kNkMAIDCapability_Children);
for (int i = 0; i < e.nativeEnum.ulElements; i++)
{
uint childId = BitConverter.ToUInt32(e.buffer, i * 4);
NikonObject child = new NikonObject(_md3, this, childId);
children.Add(child);
}
return(children.ToArray());
}
unsafe void DataItemGetVideoImage(NikonObject data)
{
string name = data.GetString(eNkMAIDCapability.kNkMAIDCapability_Name);
NkMAIDSize videoDimensions = data.GetSize(eNkMAIDCapability.kNkMAIDCapability_Pixels);
NkMAIDGetVideoImage videoImage = new NkMAIDGetVideoImage();
data.GetGeneric(eNkMAIDCapability.kNkMAIDCapability_GetVideoImage, new IntPtr(&videoImage));
// Note: Download 4MB at the time
const int chunkSize = 4 * 1024 * 1024;
uint totalSize = videoImage.ulDataSize;
for (uint offset = 0; offset < totalSize; offset += chunkSize)
{
uint fragmentSize = Math.Min(chunkSize, totalSize - offset);
byte[] buffer = new byte[fragmentSize];
fixed(byte *pBuffer = buffer)
{
videoImage.ulOffset = offset;
videoImage.ulReadSize = (uint)buffer.Length;
videoImage.ulDataSize = (uint)buffer.Length;
videoImage.pData = new IntPtr(pBuffer);
data.GetArrayGeneric(eNkMAIDCapability.kNkMAIDCapability_GetVideoImage, new IntPtr(&videoImage));
}
NikonVideoFragment fragment = new NikonVideoFragment(
name,
totalSize,
offset,
buffer,
videoDimensions.w,
videoDimensions.h);
Scheduler.Callback(new VideoFragmentReadyDelegate(OnVideoFragmentReady), this, fragment);
}
}
internal override void HandleEvent(NikonObject obj, eNkMAIDEvent currentEvent, uint data)
{
switch (currentEvent)
{
case eNkMAIDEvent.kNkMAIDEvent_AddChild:
case eNkMAIDEvent.kNkMAIDEvent_AddChildInCard:
HandleAddChild(data);
break;
case eNkMAIDEvent.kNkMAIDEvent_AddPreviewImage:
HandleAddPreviewImage(data);
break;
case eNkMAIDEvent.kNkMAIDEvent_CaptureComplete:
Scheduler.Callback(new CaptureCompleteDelegate(OnCaptureComplete), this, (int)data);
break;
case eNkMAIDEvent.kNkMAIDEvent_CapChange:
Scheduler.Callback(new CapabilityChangedDelegate(OnCapabilityChanged), this, (eNkMAIDCapability)data);
break;
case eNkMAIDEvent.kNkMAIDEvent_CapChangeValueOnly:
Scheduler.Callback(new CapabilityChangedDelegate(OnCapabilityValueChanged), this, (eNkMAIDCapability)data);
break;
case eNkMAIDEvent.kNkMAIDEvent_RecordingInterrupted:
Scheduler.Callback(new VideoRecordingInterruptedDelegate(OnVideoRecordingInterrupted), this, (int)data);
break;
default:
Debug.Print("Unhandled event: " + currentEvent + " (" + data.ToString() + ")");
break;
}
}
internal NikonDevice(NikonMd3 md3, NikonScheduler scheduler, NikonObject parent, NikonModuleType moduleType, uint deviceId)
: base(md3, scheduler)
{
Debug.Assert(Scheduler.WorkerThreadId == Thread.CurrentThread.ManagedThreadId);
ModuleType = moduleType;
NikonObject source = new NikonObject(md3, parent, deviceId);
InitializeObject(source);
}
void _object_Event(NikonObject sender, IntPtr refClient, eNkMAIDEvent ulEvent, UInt32 data)
{
switch (ulEvent)
{
case eNkMAIDEvent.kNkMAIDEvent_CapChange:
RefreshCaps();
break;
}
HandleEvent(sender, ulEvent, data);
}
internal void InitializeObject(NikonObject obj)
{
_object = obj;
_object.Open();
_object.Event += _object_Event;
RefreshCaps();
}
internal virtual void HandleEvent(NikonObject obj, eNkMAIDEvent currentEvent, uint data)
{
// Note: Overridden in inheritors
}
internal override void HandleEvent(NikonObject obj, eNkMAIDEvent currentEvent, uint data)
{
switch (currentEvent)
{
case eNkMAIDEvent.kNkMAIDEvent_AddChild:
HandleAddChild(data);
break;
case eNkMAIDEvent.kNkMAIDEvent_RemoveChild:
HandleRemoveChild(data);
break;
}
}
internal virtual void HandleEvent(NikonObject obj, eNkMAIDEvent currentEvent, IntPtr data)
{
// Note: Overridden in inheritors
}
void data_Progress(NikonObject sender,
eNkMAIDCommand ulCommand,
UInt32 ulParam,
IntPtr refComplete,
UInt32 ulDone,
UInt32 ulTotal)
{
Scheduler.Callback(new ProgressDelegate(OnProgress), this, (eNkMAIDDataObjType)sender.Id, (int)ulDone, (int)ulTotal);
}
void data_DataSound(NikonObject sender, NkMAIDSoundInfo soundInfo, IntPtr data)
{
Debug.Print("DataProcSoundInfo event fired");
}
void data_DataImage(NikonObject sender, NkMAIDImageInfo imageInfo, IntPtr data)
{
NikonThumbnail thumbnail = new NikonThumbnail(imageInfo, data);
Scheduler.Callback(new ThumbnailReadyDelegate(OnThumbnailReady), this, thumbnail);
}
//
// Get Children
//
internal NikonObject[] GetChildren()
{
List<NikonObject> children = new List<NikonObject>();
NikonEnumWithData e = GetEnumWithData(eNkMAIDCapability.kNkMAIDCapability_Children);
for (int i = 0; i < e.nativeEnum.ulElements; i++)
{
uint childId = BitConverter.ToUInt32(e.buffer, i * 4);
NikonObject child = new NikonObject(_md3, this, childId);
children.Add(child);
}
return children.ToArray();
}
void HandleAddChild(IntPtr id)
{
NikonObject item = new NikonObject(Md3, Object, (uint)id.ToInt32());
List <uint> dataIds = new List <uint>();
item.Open();
item.Event += (NikonObject obj, IntPtr refClient, eNkMAIDEvent currentEvent, IntPtr data) =>
{
if (currentEvent == eNkMAIDEvent.kNkMAIDEvent_AddChild)
{
dataIds.Add((uint)data.ToInt32());
}
};
item.EnumChildren();
_currentItemId = item.Id;
foreach (var dataId in dataIds)
{
eNkMAIDDataObjType dataObjectType = (eNkMAIDDataObjType)dataId;
NikonObject data = new NikonObject(Md3, item, dataId);
data.Open();
switch (dataObjectType)
{
case eNkMAIDDataObjType.kNkMAIDDataObjType_Thumbnail:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File | eNkMAIDDataObjType.kNkMAIDDataObjType_Thumbnail:
// Note:
// We do a 'thread-unsafe' check of the thumbnail-ready event here. No
// need to acquire if the user hasn't hooked up the thumbnail event.
if (_thumbnailReady != null)
{
DataItemAcquire(data);
}
break;
case eNkMAIDDataObjType.kNkMAIDDataObjType_Image:
case eNkMAIDDataObjType.kNkMAIDDataObjType_Sound:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File | eNkMAIDDataObjType.kNkMAIDDataObjType_Image:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File | eNkMAIDDataObjType.kNkMAIDDataObjType_Sound:
DataItemAcquire(data);
break;
case eNkMAIDDataObjType.kNkMAIDDataObjType_Video:
// Note:
// We do a 'thread-unsafe' check of the videofragment-ready event here. No
// need to download videos if the user hasn't hooked up the event.
if (_videoFragmentReady != null)
{
DataItemGetVideoImage(data);
}
break;
default:
Debug.Print("Unknown data object type: " + dataObjectType.ToString());
break;
}
data.Close();
}
item.Close();
}
void data_DataImage(NikonObject sender, NkMAIDImageInfo imageInfo, IntPtr data)
{
NikonThumbnail thumbnail = new NikonThumbnail(imageInfo, data);
Scheduler.Callback(new ThumbnailReadyDelegate(OnThumbnailReady), this, thumbnail);
}
void DataItemAcquire(NikonObject data)
{
// Listen for progress
data.Progress += data_Progress;
// Listen for data
data.DataFile += data_DataFile;
data.DataImage += data_DataImage;
data.DataSound += data_DataSound;
// Try to acquire the data object
try
{
data.CapStart(
eNkMAIDCapability.kNkMAIDCapability_Acquire,
eNkMAIDDataType.kNkMAIDDataType_Null,
0);
}
catch (NikonException ex)
{
// Is this a 'NotSupported' exception?
bool isNotSupported = (ex.ErrorCode == eNkMAIDResult.kNkMAIDResult_NotSupported);
// Is this a 'Thumbnail' data object?
bool isThumbnail = (data.Id == (uint)eNkMAIDDataObjType.kNkMAIDDataObjType_Thumbnail);
// According to the documentation, acquiring a thumbnail data object
// sometimes produces a NotSupported error. Apparently this is expected,
// so we ignore this specific case here.
bool isAllowed = isNotSupported && isThumbnail;
if (isAllowed)
{
Debug.Print("Failed to retrieve thumbnail image");
}
else
{
// If this is some other case, rethrow the exception
throw;
}
}
finally
{
// Unhook data object events
data.Progress -= data_Progress;
data.DataFile -= data_DataFile;
data.DataImage -= data_DataImage;
data.DataSound -= data_DataSound;
}
}
void HandleAddChild(uint id)
{
NikonObject item = new NikonObject(Md3, Object, id);
List<uint> dataIds = new List<uint>();
item.Open();
item.Event += (NikonObject obj, IntPtr refClient, eNkMAIDEvent currentEvent, uint data) =>
{
if (currentEvent == eNkMAIDEvent.kNkMAIDEvent_AddChild)
{
dataIds.Add(data);
}
};
item.EnumChildren();
_currentItemId = item.Id;
foreach (uint dataId in dataIds)
{
eNkMAIDDataObjType dataObjectType = (eNkMAIDDataObjType)dataId;
NikonObject data = new NikonObject(Md3, item, dataId);
data.Open();
switch (dataObjectType)
{
case eNkMAIDDataObjType.kNkMAIDDataObjType_Thumbnail:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File | eNkMAIDDataObjType.kNkMAIDDataObjType_Thumbnail:
// Note:
// We do a 'thread-unsafe' check of the thumbnail-ready event here. No
// need to acquire if the user hasn't hooked up the thumbnail event.
if (_thumbnailReady != null)
{
DataItemAcquire(data);
}
break;
case eNkMAIDDataObjType.kNkMAIDDataObjType_Image:
case eNkMAIDDataObjType.kNkMAIDDataObjType_Sound:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File | eNkMAIDDataObjType.kNkMAIDDataObjType_Image:
case eNkMAIDDataObjType.kNkMAIDDataObjType_File | eNkMAIDDataObjType.kNkMAIDDataObjType_Sound:
DataItemAcquire(data);
break;
case eNkMAIDDataObjType.kNkMAIDDataObjType_Video:
// Note:
// We do a 'thread-unsafe' check of the videofragment-ready event here. No
// need to download videos if the user hasn't hooked up the event.
if (_videoFragmentReady != null)
{
DataItemGetVideoImage(data);
}
break;
default:
Debug.Print("Unknown data object type: " + dataObjectType.ToString());
break;
}
data.Close();
}
item.Close();
}
unsafe void DataItemGetVideoImage(NikonObject data)
{
string name = data.GetString(eNkMAIDCapability.kNkMAIDCapability_Name);
NkMAIDSize videoDimensions = data.GetSize(eNkMAIDCapability.kNkMAIDCapability_Pixels);
NkMAIDGetVideoImage videoImage = new NkMAIDGetVideoImage();
data.GetGeneric(eNkMAIDCapability.kNkMAIDCapability_GetVideoImage, new IntPtr(&videoImage));
// Note: Download 4MB at the time
const int chunkSize = 4 * 1024 * 1024;
uint totalSize = videoImage.ulDataSize;
for (uint offset = 0; offset < totalSize; offset += chunkSize)
{
uint fragmentSize = Math.Min(chunkSize, totalSize - offset);
byte[] buffer = new byte[fragmentSize];
fixed (byte* pBuffer = buffer)
{
videoImage.ulOffset = offset;
videoImage.ulReadSize = (uint)buffer.Length;
videoImage.ulDataSize = (uint)buffer.Length;
videoImage.pData = new IntPtr(pBuffer);
data.GetArrayGeneric(eNkMAIDCapability.kNkMAIDCapability_GetVideoImage, new IntPtr(&videoImage));
}
NikonVideoFragment fragment = new NikonVideoFragment(
name,
totalSize,
offset,
buffer,
videoDimensions.w,
videoDimensions.h);
Scheduler.Callback(new VideoFragmentReadyDelegate(OnVideoFragmentReady), this, fragment);
}
}
void data_DataSound(NikonObject sender, NkMAIDSoundInfo soundInfo, IntPtr data)
{
Debug.Print("DataProcSoundInfo event fired");
}
void data_DataFile(NikonObject sender, NkMAIDFileInfo fileInfo, IntPtr data)
{
if (fileInfo.ulStart == 0)
{
Debug.Assert(_currentImage == null);
int size = (int)fileInfo.ulTotalLength;
NikonImageType type = (NikonImageType)(_currentItemId >> 27);
int number = (int)((_currentItemId << 8) >> 8);
bool isFragmentOfRawPlusJpeg = (_currentItemId & (1 << 26)) != 0;
_currentImage = new NikonImage(size, type, number, isFragmentOfRawPlusJpeg);
}
Debug.Assert(_currentImage != null);
int offset = (int)fileInfo.ulStart;
int length = (int)fileInfo.ulLength;
_currentImage.CopyFrom(data, offset, length);
bool complete = (fileInfo.ulTotalLength == fileInfo.ulStart + fileInfo.ulLength);
if (complete)
{
NikonImage image = _currentImage;
_currentImage = null;
Scheduler.Callback(new ImageReadyDelegate(OnImageReady), this, image);
}
}
//
// Constructor
//
internal NikonObject(NikonMd3 md3, NikonObject parent, uint id)
{
_md3 = md3;
_parent = parent;
_id = id;
_object = new NkMAIDObject();
_object.refClient = new IntPtr(_uniqueValue);
_uniqueValue++;
_completionProc = new MAIDCompletionProcDelegate(CompletionProc);
_eventProc = new MAIDEventProcDelegate(EventProc);
_progressProc = new MAIDProgressProcDelegate(ProgressProc);
_dataProc = new MAIDDataProcDelegate(DataProc);
_uiRequestProc = new MAIDUIRequestProcDelegate(UIRequestProc);
}
