private void Timer1_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
if (vf == null)
{
return;
}
using (var bp = new System.Drawing.Bitmap(area.Width, area.Height))
using (var gr = System.Drawing.Graphics.FromImage(bp))
{
gr.CopyFromScreen(area.X, area.Y, 0, 0, new System.Drawing.Size(area.Width, area.Height));
try
{
lock (vf)
{
if (_firstFrameTime != null)
{
vf.WriteVideoFrame(bp, DateTime.Now - _firstFrameTime.Value);
}
else
{
vf.WriteVideoFrame(bp);
_firstFrameTime = DateTime.Now;
}
}
}
catch (Exception)
{
Stop();
throw;
}
}
}
private void encode()
{
Stopwatch stopwatch = new Stopwatch();
updateData((float)encodedFrameCount / totalFrameCount,
false,
stopwatch.Elapsed.TotalSeconds * (totalFrameCount - encodedFrameCount));
while (true)
{
if (imageQueue.Count > 0)
{
stopwatch.Restart();
encoder.WriteVideoFrame(imageQueue.Dequeue());
encodedFrameCount++;
stopwatch.Stop();
updateData((float)encodedFrameCount / totalFrameCount,
false,
stopwatch.Elapsed.TotalSeconds * (totalFrameCount - encodedFrameCount));
}
if (lastFrame && imageQueue.Count == 0)
{
finalize();
finished = true;
break;
}
}
}
private void Screen_NewFrame(object sender, Accord.Video.NewFrameEventArgs eventArgs)
{
if (_StartTime == DateTime.MinValue)
{
_StartTime = DateTime.Now;
}
_ScreenTotalFrames++;
_Writer.WriteVideoFrame((Bitmap)eventArgs.Frame.Clone(), DateTime.Now - _StartTime);
presentTime = DateTime.Now;
if (_MicrophoneSignal != null && (presentTime - oldTime).TotalMilliseconds >= 77 * 2)
{
Trace.WriteLine("Time: " + _MicrophoneSignal.Duration.TotalMilliseconds);
if (_RecordingMicrophone && _MicrophoneSignal != null)
{
_Writer.WriteAudioFrame(_MicrophoneSignal);
}
if (_RecordingAudio && _SpeakerSignal != null)
{
Trace.WriteLine("speaker");
_Writer.WriteAudioFrame(_SpeakerSignal);
}
oldTime = presentTime;
}
}
public void thread_msc()
{
while (true)
{
//Thread.Sleep(1000);
Thread.Sleep(10);
for (int i = 0; i < videoOption.bps.Count; i++)
{
VD vd = (VD)videoOption.bps[i];
writer.WriteVideoFrame(vd.bitmap, vd.timespan);
}
videoOption.bps.RemoveRange(0, videoOption.bps.Count);
//GC.Collect();
if (isRecording == false)
{
//GC.Collect();
write_finish = true;
break;
}
}
}
private static void reencode(FileInfo fileInput, FileInfo fileOutput, VideoCodec outputCodec,
AVPixelFormat format = AVPixelFormat.FormatYuv420P, double expectedFrameRate = 2997 / 100.0)
{
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileInput.FullName);
using (var videoFileWriter = new Accord.Video.FFMPEG.VideoFileWriter())
{
Assert.AreEqual(2997, videoFileReader.FrameRate.Numerator);
Assert.AreEqual(100, videoFileReader.FrameRate.Denominator);
videoFileWriter.Width = videoFileReader.Width;
videoFileWriter.Height = videoFileReader.Height;
videoFileWriter.FrameRate = videoFileReader.FrameRate;
videoFileWriter.VideoCodec = outputCodec;
Assert.AreEqual(AVPixelFormat.FormatYuv420P, videoFileWriter.PixelFormat);
videoFileWriter.PixelFormat = format;
videoFileWriter.Open(fileOutput.FullName);
do
{
using (var bitmap = videoFileReader.ReadVideoFrame())
{
if (bitmap == null)
{
break;
}
videoFileWriter.WriteVideoFrame(bitmap);
}
}while (true);
videoFileWriter.Close();
}
videoFileReader.Close();
}
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileOutput.FullName);
Assert.AreEqual(expectedFrameRate, videoFileReader.FrameRate.Value, 0.01);
}
}
private static void reencode(FileInfo fileInput, FileInfo fileOutput, VideoCodec outputCodec)
{
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileInput.FullName);
using (var videoFileWriter = new Accord.Video.FFMPEG.VideoFileWriter())
{
Assert.AreEqual(2997, videoFileReader.FrameRate.Numerator);
Assert.AreEqual(100, videoFileReader.FrameRate.Denominator);
videoFileWriter.Open
(
fileOutput.FullName,
videoFileReader.Width,
videoFileReader.Height,
videoFileReader.FrameRate,
outputCodec
);
do
{
using (var bitmap = videoFileReader.ReadVideoFrame())
{
if (bitmap == null)
{
break;
}
videoFileWriter.WriteVideoFrame(bitmap);
}
}while (true);
videoFileWriter.Close();
}
videoFileReader.Close();
}
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileOutput.FullName);
Assert.AreEqual(2997 / 100.0, videoFileReader.FrameRate.Value, 0.01);
}
}