private void ProcessVideo(string fileName)
{
VideoFileReader reader = new VideoFileReader();
reader.Open(fileName);
System.Drawing.Color[] samples = new System.Drawing.Color[_captureRect.Width * _captureRect.Height];
FrameCaptureCollection frameSamples = new FrameCaptureCollection();
frameSamples.TotalFramesInVideo = (int)reader.FrameCount;
frameSamples.DurationNumerator = reader.FrameCount * reader.FrameRate.Denominator;
frameSamples.DurationDenominator = reader.FrameRate.Numerator;
if (frameSamples.TotalFramesInVideo == 0)
{
frameSamples.DurationDenominator = 1000;
frameSamples.DurationNumerator = (long)_backupDuration.TotalMilliseconds;
frameSamples.TotalFramesInVideo = (int)(reader.FrameRate.Numerator * _backupDuration.TotalSeconds /
reader.FrameRate.Denominator);
}
frameSamples.VideoFile = _videoFile;
frameSamples.CaptureRect = _captureRect;
long frame = 0;
do
{
var current = reader.ReadVideoFrame();
if (current == null)
{
break;
}
frame++;
for (int i = 0; i < samples.Length; i++)
{
samples[i] = current.GetPixel(_captureRect.X + i % _captureRect.Width,
_captureRect.Y + i / _captureRect.Width);
}
frameSamples.Add(new FrameCapture(frame, samples));
if (frame % 25 == 0)
{
var hBitmap = current.GetHbitmap();
var capture = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight(current.Width, current.Height));
capture.Freeze();
DeleteObject(hBitmap);
var progress01 = (double)frame / reader.FrameCount;
string progress = $"{frame} / {reader.FrameCount} ({progress01:P})";
Dispatcher.Invoke(() =>
{
if (_isClosing)
{
return;
}
Image = capture;
txtProgress.Text = progress;
TaskbarItemInfo.ProgressValue = progress01;
});
}
current.Dispose();
} while (_running);
long framesSampled = frame;
long expectedFrames = frameSamples.TotalFramesInVideo;
long sampledFrames = frameSamples.Count;
Dispatcher.BeginInvoke(new Action(() =>
{
if (_isClosing)
{
return;
}
Result = frameSamples;
DialogResult = true;
}));
}
public static FrameCaptureCollection FromStream(Stream stream)
{
using (BinaryReader reader = new BinaryReader(stream, Encoding.UTF8, true))
{
FrameCaptureCollection result = new FrameCaptureCollection();
byte[] header = reader.ReadBytes(3); //70,83,70
Debug.Assert(header[0] == 70);
Debug.Assert(header[1] == 83);
Debug.Assert(header[2] == 70);
byte[] version = reader.ReadBytes(2);
Debug.Assert(version[0] == 1);
Debug.Assert(version[1] == 0);
byte endianess = reader.ReadByte();
int payloadCount = reader.ReadInt32();
while (payloadCount-- > 0)
{
int payloadType = reader.ReadInt32();
int payloadSize = reader.ReadInt32();
switch (payloadType)
{
case 1:
{
byte[] fileNameBytes = reader.ReadBytes(payloadSize);
result.VideoFile = Encoding.UTF8.GetString(fileNameBytes);
break;
}
case 2:
{
Int32Rect captureRect = new Int32Rect();
captureRect.X = reader.ReadInt32();
captureRect.Y = reader.ReadInt32();
captureRect.Width = reader.ReadInt32();
captureRect.Height = reader.ReadInt32();
result.CaptureRect = captureRect;
break;
}
case 3:
{
int frames = reader.ReadInt32();
int pixelSize = reader.ReadInt32();
int expectedPixelSize = result.CaptureRect.Width * result.CaptureRect.Height;
int expectedPixelSize2 = ((payloadSize - sizeof(int) - sizeof(int)) / frames) - sizeof(long);
while (frames-- > 0)
{
FrameCapture capture = new FrameCapture();
capture.FrameIndex = reader.ReadInt64();
capture.Capture = reader.ReadBytes(pixelSize);
result.Add(capture);
}
break;
}
case 4:
{
result.TotalFramesInVideo = reader.ReadInt32();
break;
}
case 5:
{
result.DurationNumerator = reader.ReadInt64();
result.DurationDenominator = reader.ReadInt64();
break;
}
}
}
if (result.TotalFramesInVideo == 0)
{
result.TotalFramesInVideo = result.Count;
}
return(result);
}
}
private void ProcessVideo(string fileName)
{
VideoFileReader reader = new VideoFileReader();
reader.Open(fileName);
System.Drawing.Color[] samples = new System.Drawing.Color[_captureRect.Width * _captureRect.Height];
FrameCaptureCollection frameSamples = new FrameCaptureCollection();
bool indeterminate = reader.FrameCount <= 0;
if (!indeterminate)
{
frameSamples.TotalFramesInVideo = (int)reader.FrameCount;
frameSamples.DurationNumerator = reader.FrameCount * reader.FrameRate.Denominator;
frameSamples.DurationDenominator = reader.FrameRate.Numerator;
}
//List<byte> allAudio = new List<byte>();
frameSamples.VideoFile = _videoFile;
frameSamples.CaptureRect = _captureRect;
long frame = 0;
DateTime start = DateTime.Now;
int preview = 0;
Dictionary <long, BitmapSource> thumbnails = new Dictionary <long, BitmapSource>();
do
{
//List<byte> audio = new List<byte>();
var current = reader.ReadVideoFrame();
if (current == null)
{
break;
}
frame++;
//allAudio.AddRange(allAudio);
for (int i = 0; i < samples.Length; i++)
{
samples[i] = current.GetPixel(_captureRect.X + i % _captureRect.Width,
_captureRect.Y + i / _captureRect.Width);
}
frameSamples.Add(new FrameCapture(frame, samples));
if (frame % 25 == 0)
{
preview++;
var hBitmap = current.GetHbitmap();
var capture = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight(current.Width, current.Height));
capture.Freeze();
if (preview % 10 == 0)
{
BitmapSource thumbnail = Resize(capture, 200, 130);
thumbnails.Add(frame, thumbnail);
}
DeleteObject(hBitmap);
double progressValue;
string progressText;
if (!indeterminate)
{
progressValue = (double)frame / reader.FrameCount;
progressText = $"{frame} / {reader.FrameCount} ({progressValue:P})";
TimeSpan elapsed = DateTime.Now - start;
TimeSpan averagePerFrame = elapsed.Divide(frame);
long left = Math.Max(0, reader.FrameCount - frame - 1);
TimeSpan timeLeft = averagePerFrame.Multiply(left);
progressText += $" ETA {timeLeft:mm\\:ss}";
}
else
{
progressValue = 0.0;
progressText = $"{frame} / Unknown";
}
Dispatcher.Invoke(() =>
{
if (_isClosing)
{
return;
}
Image = capture;
txtProgress.Text = progressText;
TaskbarItemInfo.ProgressValue = progressValue;
proTotal.Value = progressValue;
if (indeterminate)
{
TaskbarItemInfo.ProgressState = TaskbarItemProgressState.Indeterminate;
proTotal.IsIndeterminate = true;
}
});
}
current.Dispose();
} while (_running);
//byte[] a = allAudio.ToArray();
//Signal s = new Signal(a, 1, a.Length, reader.SampleRate, SampleFormat.Format8BitUnsigned);
//for (int index = 0; index < frameSamples.Count; index++)
//{
// var frameSample = frameSamples[index];
// frameSample.AudioLevel = s.GetSample(0, (int) frameSample.FrameIndex);
//}
long framesSampled = frame;
long expectedFrames = frameSamples.TotalFramesInVideo;
long sampledFrames = frameSamples.Count;
if (frameSamples.TotalFramesInVideo == 0)
{
frameSamples.TotalFramesInVideo = (int)frame;
frameSamples.DurationNumerator = frame * reader.FrameRate.Denominator;
frameSamples.DurationDenominator = reader.FrameRate.Numerator;
}
Dispatcher.BeginInvoke(new Action(() =>
{
if (_isClosing)
{
return;
}
Thumbnails = thumbnails;
Result = frameSamples;
DialogResult = true;
}));
}
private void ProcessVideo(string fileName)
{
VideoFileReader reader = new VideoFileReader();
reader.Open(fileName);
System.Drawing.Color[] samples = new System.Drawing.Color[_captureRect.Width * _captureRect.Height];
FrameCaptureCollection frameSamples = new FrameCaptureCollection();
bool indeterminate = reader.FrameCount <= 0;
if (!indeterminate)
{
frameSamples.TotalFramesInVideo = (int)reader.FrameCount;
frameSamples.DurationNumerator = reader.FrameCount * reader.FrameRate.Denominator;
frameSamples.DurationDenominator = reader.FrameRate.Numerator;
}
frameSamples.VideoFile = _videoFile;
frameSamples.CaptureRect = _captureRect;
long frame = 0;
DateTime start = DateTime.Now;
do
{
var current = reader.ReadVideoFrame();
if (current == null)
{
break;
}
frame++;
for (int i = 0; i < samples.Length; i++)
{
samples[i] = current.GetPixel(_captureRect.X + i % _captureRect.Width,
_captureRect.Y + i / _captureRect.Width);
}
frameSamples.Add(new FrameCapture(frame, samples));
if (frame % 25 == 0)
{
var hBitmap = current.GetHbitmap();
var capture = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(
hBitmap,
IntPtr.Zero,
Int32Rect.Empty,
BitmapSizeOptions.FromWidthAndHeight(current.Width, current.Height));
capture.Freeze();
DeleteObject(hBitmap);
double progressValue;
string progressText;
if (!indeterminate)
{
progressValue = (double)frame / reader.FrameCount;
progressText = $"{frame} / {reader.FrameCount} ({progressValue:P})";
TimeSpan elapsed = DateTime.Now - start;
TimeSpan averagePerFrame = elapsed.Divide(frame);
long left = Math.Max(0, reader.FrameCount - frame - 1);
TimeSpan timeLeft = averagePerFrame.Multiply(left);
progressText += $" ETA {timeLeft:mm\\:ss}";
}
else
{
progressValue = 0.0;
progressText = $"{frame} / Unknown";
}
Dispatcher.Invoke(() =>
{
if (_isClosing)
{
return;
}
Image = capture;
txtProgress.Text = progressText;
TaskbarItemInfo.ProgressValue = progressValue;
proTotal.Value = progressValue;
if (indeterminate)
{
TaskbarItemInfo.ProgressState = TaskbarItemProgressState.Indeterminate;
proTotal.IsIndeterminate = true;
}
});
}
current.Dispose();
} while (_running);
long framesSampled = frame;
long expectedFrames = frameSamples.TotalFramesInVideo;
long sampledFrames = frameSamples.Count;
if (frameSamples.TotalFramesInVideo == 0)
{
frameSamples.TotalFramesInVideo = (int)frame;
frameSamples.DurationNumerator = frame * reader.FrameRate.Denominator;
frameSamples.DurationDenominator = reader.FrameRate.Numerator;
}
Dispatcher.BeginInvoke(new Action(() =>
{
if (_isClosing)
{
return;
}
Result = frameSamples;
DialogResult = true;
}));
}