private void Finish(bool keepProcessedFrames)
{
mFinishTime = DateTime.Now;
Duration = mFinishTime - mStartTime;
Compression = EncodedSize / (double)RawSize;
int seconds = RawFrames.Count / VideoQualityController.AcceptFramesPerSecond;
Kbps = (EncodedSize / seconds) / 1024;
Fidelity = CalculateFidelity(RawFrames, ProcessedFrames);
const int blocksPerFrame = (VideoConstants.Height / VideoConstants.VideoBlockSize) * (VideoConstants.Width / VideoConstants.VideoBlockSize);
float totalBlocks = RawFrames.Count * blocksPerFrame;
BlocksAsDelta = blocksAsDelta / totalBlocks;
BlocksAsJpeg = blocksAsJpeg / totalBlocks;
BlocksNotSent = (totalBlocks - (blocksAsDelta + blocksAsJpeg)) / totalBlocks;
DeltaBlockSize = bytesAsDelta / (double)blocksAsDelta;
JpegBlockSize = bytesAsJpeg / (double)blocksAsJpeg;
// Release references to potentially large objects we won't need anymore
RawFrames = null;
VideoCodec = null;
if (!keepProcessedFrames)
{
ProcessedFrames.Clear();
}
KeepProcessedFrames = keepProcessedFrames;
}
public void Execute(bool keepProcessedFrames)
{
mStartTime = DateTime.Now;
foreach (var frame in RawFrames)
{
// Encode the frame
VideoCodec.EncodeFrame(frame, 1);
var dvc = VideoCodec as JpegDiffVideoCodec;
if (dvc != null)
{
foreach (var block in dvc.EncodedBlocks)
{
if (block.BlockType == BlockType.Jpeg)
{
blocksAsJpeg++;
bytesAsJpeg += block.EncodedStream.Length;
}
else
{
blocksAsDelta++;
bytesAsDelta += block.EncodedStream.Length;
}
}
}
// Decode the frame
bool moreChunks = true;
var buffer = mVideoChunkPool.GetNext();
while (moreChunks)
{
buffer.Reset();
if (VideoCodec.GetNextChunk(buffer, out moreChunks))
{
EncodedSize += buffer.DataLength;
VideoCodec.DecodeChunk(buffer, 2);
}
}
mVideoChunkPool.Recycle(buffer);
// Retrieve the frame
var processedStream = VideoCodec.GetNextFrame();
ProcessedFrames.Add(processedStream.ToArray());
}
Finish(keepProcessedFrames);
}
