public void TestRecordVideoBasic()
{
ConsoleBitmap bitmap = new ConsoleBitmap(4, 2), redBitmap = null, greenBitmap = null, magentaPixelBitmap = null;
using (var sharedStream = new MemoryStream())
{
using (var bitmapVideoWriter = new ConsoleBitmapStreamWriter(sharedStream)
{
CloseInnerStream = false
})
{
bitmap = new ConsoleBitmap(4, 2);
redBitmap = bitmapVideoWriter.WriteFrame(bitmap.FillRect(ConsoleCharacter.RedBG())).Clone();
greenBitmap = bitmapVideoWriter.WriteFrame(bitmap.FillRect(ConsoleCharacter.GreenBG())).Clone();
magentaPixelBitmap = bitmapVideoWriter.WriteFrame(bitmap.DrawPoint(ConsoleCharacter.MagentaBG(), 0, 0)).Clone();
}
sharedStream.Position = 0; // rewind the stream to the beginning to read it back
// create a reader and make sure we can read each frame back exactly as they were written
var bitmapVideoReader = new ConsoleBitmapStreamReader(sharedStream);
Assert.AreEqual(redBitmap, bitmapVideoReader.ReadFrame().CurrentBitmap);
Assert.AreEqual(greenBitmap, bitmapVideoReader.ReadFrame().CurrentBitmap);
Assert.AreEqual(magentaPixelBitmap, bitmapVideoReader.ReadFrame().CurrentBitmap);
Assert.IsNull(bitmapVideoReader.ReadFrame().CurrentFrame);
}
}
public void TestRecordVideoLargeVideo()
{
ConsoleBitmap bitmap = new ConsoleBitmap(1, 1);
var numFrames = 10000;
using (var sharedStream = new MemoryStream())
{
var bitmapVideoWriter = new ConsoleBitmapStreamWriter(sharedStream)
{
CloseInnerStream = false
};
for (var i = 0; i < numFrames; i++)
{
bitmapVideoWriter.WriteFrame(bitmap, true, TimeSpan.FromMilliseconds(i));
}
bitmapVideoWriter.Dispose();
sharedStream.Position = 0; // rewind the stream to the beginning to read it back
var destination = TimeSpan.Zero;
var reader = new ConsoleBitmapStreamReader(sharedStream);
var video = reader.ReadToEnd();
var lastFrameIndex = 0;
var sw = Stopwatch.StartNew();
while ((lastFrameIndex = video.Seek(destination, out bitmap, lastFrameIndex >= 0 ? lastFrameIndex : 0)) != numFrames - 1)
{
destination = destination.Add(TimeSpan.FromMilliseconds(1));
}
sw.Stop();
Assert.IsTrue(sw.ElapsedMilliseconds < 10);
Console.WriteLine($"Playback took {sw.ElapsedMilliseconds} ms");
}
}
public bool TryGetCurrentRecording(out ConsoleBitmapStreamReader reader) => TryGetRecording(CurrentTestRecordingFilePath, out reader);