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);
}
}
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);
}
}
public void GetArrayGeneric(eNkMAIDCapability cap, IntPtr destination)
{
_scheduler.Invoke(() => { _object.GetArrayGeneric(cap, destination); });
}