private void colorReplay_FrameArrived(ReplayColorFrame frame)
{
if (ColorFrameArrived != null)
{
ColorFrameArrived(this, new ReplayFrameArrivedEventArgs <ReplayColorFrame> {
Frame = frame
});
}
}
/// <summary>
/// Adds a frame to the Frames list.
/// </summary>
/// <param name="reader">The reader.</param>
public void AddFrame(BinaryReader reader)
{
var frame = ReplayColorFrame.FromReader(reader, _codec);
if (frame != null)
{
this.Frames.Add(frame);
}
}
/// <summary>
/// Export all of the frames in this
/// </summary>
/// <param name="exportDir"></param>
public async Task ExportColorFramesAsync(string exportDir)
{
if (!this.HasColorFrames || _colorReplay == null)
{
throw new InvalidOperationException("KDVR file has no color frames.");
}
int frameCounter = 0;
var jpegCodec = ColorCodecs.Jpeg;
var jpegCodecId = jpegCodec.CodecId;
var lastRelativeTime = TimeSpan.MaxValue;
foreach (var frame in _colorReplay.Frames)
{
ReplayColorFrame rcf = frame as ReplayColorFrame;
var elapsed = rcf.RelativeTime - lastRelativeTime;
lastRelativeTime = rcf.RelativeTime;
var numFrames = 1;
var mills = (int)Math.Ceiling(elapsed.TotalMilliseconds);
if (mills > 60)
{
numFrames = mills / 33;
}
for (int i = 0; i < numFrames; i++)
{
var fileName = string.Format("\\{0:000000}.jpeg", frameCounter++);
#if NETFX_CORE
var file = await StorageFile.GetFileFromPathAsync(exportDir + fileName);
using (var jpegStream = await file.OpenStreamForWriteAsync())
#else
using (var jpegStream = new FileStream(exportDir + fileName, FileMode.Create, FileAccess.Write))
#endif
{
using (var jpegWriter = new BinaryWriter(jpegStream))
{
var bytes = rcf.GetRawFrameData();
if (rcf.Codec.CodecId == jpegCodecId)
{
jpegWriter.Write(bytes);
}
else
{
await jpegCodec.EncodeAsync(bytes, jpegWriter);
}
}
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ReplayColorFrame"/> class
/// by reading from the specified <c>BinaryReader</c> using the specified
/// <c>IColorCodec</c>.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="codec">The codec.</param>
/// <returns>The <c>ReplayColorFrame</c></returns>
/// <exception cref="System.IO.IOException">The recording appears to be corrupt.</exception>
public static ReplayColorFrame FromReader(BinaryReader reader, IColorCodec codec)
{
var frame = new ReplayColorFrame();
frame.FrameType = FrameTypes.Color;
frame.RelativeTime = TimeSpan.FromMilliseconds(reader.ReadDouble());
frame.FrameSize = reader.ReadInt64();
long frameStartPos = reader.BaseStream.Position;
frame.Codec = codec;
frame.Codec.ReadHeader(reader, frame);
frame.Stream = reader.BaseStream;
frame.StreamPosition = frame.Stream.Position;
frame.Stream.Position += frame.FrameDataSize;
// Do Frame Integrity Check
var isGoodFrame = false;
try
{
if (reader.ReadString() == ReplayFrame.EndOfFrameMarker)
{
isGoodFrame = true;
}
}
catch { }
if (!isGoodFrame)
{
System.Diagnostics.Debug.WriteLine("BAD FRAME...RESETTING");
reader.BaseStream.Position = frameStartPos + frame.FrameSize;
try
{
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
throw new IOException("The recording appears to be corrupt.");
}
return(null);
}
catch
{
throw new IOException("The recording appears to be corrupt.");
}
}
return(frame);
}
/// <summary>
/// Initializes a new instance of the <see cref="ColorFrameBitmap" /> class
/// suitable for displaying the supplied <see cref="ReplayColorFrame" />.
/// </summary>
/// <param name="frame">The frame.</param>
public ColorFrameBitmap(ReplayColorFrame frame)
{
#if NETFX_CORE
_bitmap = BitmapFactory.New(frame.Width, frame.Height);
_bytes = new byte[_bitmap.PixelWidth * _bitmap.PixelHeight * 4];
_stream = _bitmap.PixelBuffer.AsStream();
#else
// force population of PixelFormat
var data = frame.GetFrameDataAsync().Result;
_bitmap = new WriteableBitmap(frame.Width, frame.Height, 96, 96, frame.Codec.PixelFormat, null);
_bytes = new byte[_bitmap.PixelWidth * _bitmap.PixelHeight * (_bitmap.Format.BitsPerPixel / 8)];
_dirtyRect = new Int32Rect(0, 0, frame.Width, frame.Height);
#endif
}
/// <summary>
/// Records a <c>ReplayColorFrame</c>.
/// </summary>
/// <param name="frame">The frame.</param>
public async Task RecordAsync(ReplayColorFrame frame)
{
if (_writer.BaseStream == null || _writer.BaseStream.CanWrite == false)
{
return;
}
_isStarted = true;
try
{
// Header
_writer.Write((int)frame.FrameType);
_writer.Write(frame.RelativeTime.TotalMilliseconds);
// Data
using (var dataStream = new MemoryStream())
{
using (var dataWriter = new BinaryWriter(dataStream))
{
_codec.Width = frame.Width;
_codec.Height = frame.Height;
await _codec.EncodeAsync(frame.FrameData, dataWriter);
// 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>ReplayColorFrame</c>.
/// </summary>
/// <param name="frame">The frame.</param>
public async Task RecordAsync(ReplayColorFrame frame)
{
if (_writer.BaseStream == null || _writer.BaseStream.CanWrite == false)
return;
_isStarted = true;
try
{
// Header
_writer.Write((int)frame.FrameType);
_writer.Write(frame.RelativeTime.TotalMilliseconds);
// Data
using (var dataStream = new MemoryStream())
{
using (var dataWriter = new BinaryWriter(dataStream))
{
_codec.Width = frame.Width;
_codec.Height = frame.Height;
await _codec.EncodeAsync(frame.FrameData, dataWriter);
// 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="ReplayColorFrame"/> class
/// by reading from the specified <c>BinaryReader</c> using the specified
/// <c>IColorCodec</c>.
/// </summary>
/// <param name="reader">The reader.</param>
/// <param name="codec">The codec.</param>
/// <returns>The <c>ReplayColorFrame</c></returns>
/// <exception cref="System.IO.IOException">The recording appears to be corrupt.</exception>
internal static ReplayColorFrame FromReader(BinaryReader reader, IColorCodec codec)
{
var frame = new ReplayColorFrame();
frame.FrameType = FrameTypes.Color;
frame.RelativeTime = TimeSpan.FromMilliseconds(reader.ReadDouble());
frame.FrameSize = reader.ReadInt64();
long frameStartPos = reader.BaseStream.Position;
frame.Codec = codec;
frame.Codec.ReadHeader(reader, frame);
frame.Stream = reader.BaseStream;
frame.StreamPosition = frame.Stream.Position;
frame.Stream.Position += frame.FrameDataSize;
// Do Frame Integrity Check
var isGoodFrame = false;
try
{
if (reader.ReadString() == ReplayFrame.EndOfFrameMarker)
{
isGoodFrame = true;
}
}
catch { }
if (!isGoodFrame)
{
System.Diagnostics.Debug.WriteLine("BAD FRAME...RESETTING");
reader.BaseStream.Position = frameStartPos + frame.FrameSize;
try
{
if (reader.ReadString() != ReplayFrame.EndOfFrameMarker)
{
throw new IOException("The recording appears to be corrupt.");
}
return null;
}
catch
{
throw new IOException("The recording appears to be corrupt.");
}
}
return frame;
}
/// <summary>
/// Update the Bitmap from the supplied <c>ReplayColorFrame</c>.
/// </summary>
public void Update(ReplayColorFrame frame)
{
if (frame != null)
{
frame.GetFrameDataAsync().ContinueWith(async (pixels) =>
{
#if NETFX_CORE
await _bitmap.Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () => {
_stream.Seek(0, SeekOrigin.Begin);
_stream.Write(pixels.Result, 0, pixels.Result.Length);
_bitmap.Invalidate();
});
#else
await _bitmap.Dispatcher.InvokeAsync(() => {
_bitmap.FromByteArray(pixels.Result);
});
#endif
});
}
}
private void colorReplay_FrameArrived(ReplayColorFrame frame)
{
if (ColorFrameArrived != null)
ColorFrameArrived(this, new ReplayFrameArrivedEventArgs<ReplayColorFrame> { Frame = frame });
}