public void Dispose()
{
if (_decompress)
{
_decompressor.Dispose();
}
else
{
_compressor.Dispose();
}
}
/// <summary>
/// Call this when finished with the instance. If using a C# using block, you won't need to call this.
/// </summary>
public void Dispose()
{
try
{
lock (this)
{
if (isDisposed)
{
return;
}
isDisposed = true;
decoder.Dispose();
decomp.Dispose();
comp.Dispose();
}
}
catch (Exception)
{
Console.WriteLine("Exception disposing TurboJpeg stuff in JpegDiffVideoEncoder");
}
}
private static void JpegTurboCompression()
{
var sw = new Stopwatch();
var sourceImage = (Bitmap)Image.FromFile(@"D:\Downloads\1.jpg");
var width = sourceImage.Width;
var height = sourceImage.Height;
long average = 0;
var iterations = 0;
var compressor = new TJCompressor();
try
{
Console.WriteLine("Using libjpeg turbo");
while (!_stop)
{
sw.Restart();
compressor.Compress(sourceImage, TJSubsamplingOptions.TJSAMP_GRAY, Quality, TJFlags.BOTTOMUP);
sw.Stop();
var sleepValue = 1000 / 25.0 - sw.ElapsedMilliseconds;
if (sleepValue < 0)
{
sleepValue = 0;
}
average += sw.ElapsedMilliseconds;
iterations++;
Thread.Sleep((int)sleepValue);
}
Console.WriteLine("Average compression time for image {0}x{1} is {2:f3} ms. Iterations count {3}", width, height, (double)average / iterations, iterations);
}
finally
{
compressor.Dispose();
sourceImage.Dispose();
Wait.Set();
}
}
private static void JpegTurboCompression()
{
var sw = new Stopwatch();
var sourceImage = (Bitmap)Image.FromFile(@"D:\Downloads\1.jpg");
var width = sourceImage.Width;
var height = sourceImage.Height;
long average = 0;
var iterations = 0;
var compressor = new TJCompressor();
try
{
Console.WriteLine("Using libjpeg turbo");
while (!_stop)
{
sw.Restart();
compressor.Compress(sourceImage, TJSubsamplingOptions.TJSAMP_GRAY, Quality, TJFlags.BOTTOMUP);
sw.Stop();
var sleepValue = 1000 / 25.0 - sw.ElapsedMilliseconds;
if (sleepValue < 0)
sleepValue = 0;
average += sw.ElapsedMilliseconds;
iterations++;
Thread.Sleep((int)sleepValue);
}
Console.WriteLine("Average compression time for image {0}x{1} is {2:f3} ms. Iterations count {3}", width, height, (double)average / iterations, iterations);
}
finally
{
compressor.Dispose();
sourceImage.Dispose();
Wait.Set();
}
}
public void Clean()
{
_compressor.Dispose();
}
private static void JpegTurboCompression()
{
var sw = new Stopwatch();
var sourceImage = (Bitmap)Image.FromFile(@"d:\1.jpg");
var pixelFormat = sourceImage.PixelFormat;
var width = sourceImage.Width;
var height = sourceImage.Height;
long average = 0;
var iterations = 0;
var compressor = new TJCompressor();
// ReSharper disable once ExceptionNotDocumented
var srcData = sourceImage.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, pixelFormat);
var stride = srcData.Stride;
var srcPtr = srcData.Scan0;
TJPixelFormats tjPixelFormat;
switch (pixelFormat)
{
case PixelFormat.Format8bppIndexed:
tjPixelFormat = TJPixelFormats.TJPF_GRAY;
break;
case PixelFormat.Format24bppRgb:
tjPixelFormat = TJPixelFormats.TJPF_RGB;
break;
case PixelFormat.Format32bppArgb:
tjPixelFormat = TJPixelFormats.TJPF_ARGB;
break;
default:
throw new ArgumentOutOfRangeException();
}
try
{
Console.WriteLine("Using libjpeg turbo");
while (!_stop)
{
sw.Restart();
compressor.Compress(srcPtr, stride, width, height, tjPixelFormat, TJSubsamplingOptions.TJSAMP_GRAY, Quality, TJFlags.BOTTOMUP);
sw.Stop();
var sleepValue = 1000 / 25.0 - sw.ElapsedMilliseconds;
if (sleepValue < 0)
{
sleepValue = 0;
}
average += sw.ElapsedMilliseconds;
iterations++;
Thread.Sleep((int)sleepValue);
}
Console.WriteLine("Average compression time for image {0}x{1} is {2:f3} ms. Iterations count {3}", width, height, (double)average / iterations, iterations);
}
finally
{
sourceImage.UnlockBits(srcData);
compressor.Dispose();
sourceImage.Dispose();
Wait.Set();
}
}
