private void depthReplay_FrameArrived(ReplayDepthFrame frame)
{
if (DepthFrameArrived != null)
{
DepthFrameArrived(this, new ReplayFrameArrivedEventArgs <ReplayDepthFrame> {
Frame = frame
});
}
}
/// <summary>
/// Adds a frame to the Frames list.
/// </summary>
/// <param name="reader">The reader.</param>
public void AddFrame(BinaryReader reader)
{
var frame = ReplayDepthFrame.FromReader(reader);
if (frame != null)
{
this.Frames.Add(frame);
}
}
/// <summary>
/// Records a <c>ReplayDepthFrame</c>.
/// </summary>
/// <param name="frame">The frame.</param>
public async Task RecordAsync(ReplayDepthFrame frame)
{
await Task.Run(() =>
{
try
{
// Header
_writer.Write((int)frame.FrameType);
_writer.Write(frame.RelativeTime.TotalMilliseconds);
// Data
using (var dataStream = new MemoryStream())
{
using (var dataWriter = new BinaryWriter(dataStream))
{
dataWriter.Write(frame.DepthMinReliableDistance);
dataWriter.Write(frame.DepthMaxReliableDistance);
dataWriter.Write(frame.Width);
dataWriter.Write(frame.Height);
dataWriter.Write(frame.BytesPerPixel);
if (_staticBytes == null)
{
_staticBytes = new byte[frame.FrameData.Length * 2];
}
System.Buffer.BlockCopy(frame.FrameData, 0, _staticBytes, 0, _staticBytes.Length);
dataWriter.Write(_staticBytes);
// Reset frame data stream
dataWriter.Flush();
dataStream.Position = 0;
// Write FrameSize
_writer.Write(dataStream.Length);
// Write actual frame data
dataStream.CopyTo(_writer.BaseStream);
// Write end of frame marker
_writer.Write(ReplayFrame.EndOfFrameMarker);
}
}
}
catch (Exception ex)
{
// TODO: Change to log the error
System.Diagnostics.Debug.WriteLine(ex);
}
});
}
/// <summary>
/// Records a <c>ReplayDepthFrame</c>.
/// </summary>
/// <param name="frame">The frame.</param>
public async Task RecordAsync(ReplayDepthFrame frame)
{
await Task.Run(() =>
{
try
{
// Header
_writer.Write((int)frame.FrameType);
_writer.Write(frame.RelativeTime.TotalMilliseconds);
// Data
using (var dataStream = new MemoryStream())
{
using (var dataWriter = new BinaryWriter(dataStream))
{
dataWriter.Write(frame.DepthMinReliableDistance);
dataWriter.Write(frame.DepthMaxReliableDistance);
dataWriter.Write(frame.Width);
dataWriter.Write(frame.Height);
dataWriter.Write(frame.BytesPerPixel);
if (_staticBytes == null)
_staticBytes = new byte[frame.FrameData.Length * 2];
System.Buffer.BlockCopy(frame.FrameData, 0, _staticBytes, 0, _staticBytes.Length);
dataWriter.Write(_staticBytes);
// Reset frame data stream
dataWriter.Flush();
dataStream.Position = 0;
// Write FrameSize
_writer.Write(dataStream.Length);
// Write actual frame data
dataStream.CopyTo(_writer.BaseStream);
// Write end of frame marker
_writer.Write(ReplayFrame.EndOfFrameMarker);
}
}
}
catch (Exception ex)
{
// TODO: Change to log the error
System.Diagnostics.Debug.WriteLine(ex);
}
});
}
/// <summary>
/// Initializes a new instance of the <see cref="ReplayDepthFrame"/> class
/// by reading from the specified <c>BinaryReader</c>.
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns>The <c>ReplayDepthFrame</c></returns>
/// <exception cref="System.IO.IOException">The recording appears to be corrupt.</exception>
internal static ReplayDepthFrame FromReader(BinaryReader reader)
{
var frame = new ReplayDepthFrame();
frame.FrameType = FrameTypes.Depth;
frame.RelativeTime = TimeSpan.FromMilliseconds(reader.ReadDouble());
frame.FrameSize = reader.ReadInt64();
long frameStartPos = reader.BaseStream.Position;
frame.DepthMinReliableDistance = reader.ReadUInt32();
frame.DepthMaxReliableDistance = reader.ReadUInt32();
frame.Width = reader.ReadInt32();
frame.Height = reader.ReadInt32();
frame.BytesPerPixel = reader.ReadUInt32();
frame.Stream = reader.BaseStream;
frame.StreamPosition = frame.Stream.Position;
frame.Stream.Position += frame.Width * frame.Height * frame.BytesPerPixel;
// Do Frame Integrity Check
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
System.Diagnostics.Debug.WriteLine("BAD FRAME...RESETTING");
reader.BaseStream.Position = frameStartPos + frame.FrameSize;
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
throw new IOException("The recording appears to be corrupt.");
}
return(null);
}
return(frame);
}
/// <summary>
/// Update the Bitmap from the supplied <c>ReplayDepthFrame</c>.
/// </summary>
public async void Update(ReplayDepthFrame frame)
{
if (frame != null)
{
await frame.GetFrameDataAsync().ContinueWith(async (frameData) =>
{
await UpdateAsync(frameData.Result, (ushort)frame.DepthMinReliableDistance, (ushort)frame.DepthMaxReliableDistance);
});
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ReplayDepthFrame"/> class
/// by reading from the specified <c>BinaryReader</c>.
/// </summary>
/// <param name="reader">The reader.</param>
/// <returns>The <c>ReplayDepthFrame</c></returns>
/// <exception cref="System.IO.IOException">The recording appears to be corrupt.</exception>
internal static ReplayDepthFrame FromReader(BinaryReader reader)
{
var frame = new ReplayDepthFrame();
frame.FrameType = FrameTypes.Depth;
frame.RelativeTime = TimeSpan.FromMilliseconds(reader.ReadDouble());
frame.FrameSize = reader.ReadInt64();
long frameStartPos = reader.BaseStream.Position;
frame.DepthMinReliableDistance = reader.ReadUInt32();
frame.DepthMaxReliableDistance = reader.ReadUInt32();
frame.Width = reader.ReadInt32();
frame.Height = reader.ReadInt32();
frame.BytesPerPixel = reader.ReadUInt32();
frame.Stream = reader.BaseStream;
frame.StreamPosition = frame.Stream.Position;
frame.Stream.Position += frame.Width * frame.Height * frame.BytesPerPixel;
// Do Frame Integrity Check
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
System.Diagnostics.Debug.WriteLine("BAD FRAME...RESETTING");
reader.BaseStream.Position = frameStartPos + frame.FrameSize;
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
throw new IOException("The recording appears to be corrupt.");
}
return null;
}
return frame;
}
private void depthReplay_FrameArrived(ReplayDepthFrame frame)
{
if (DepthFrameArrived != null)
DepthFrameArrived(this, new ReplayFrameArrivedEventArgs<ReplayDepthFrame> { Frame = frame });
}
