private unsafe void EncodeImagesToH264(object state)
{
try
{
while (isEncodingEvent.WaitOne())
{
if (decodedFrameQueue.TryDequeue(out queueFrame))
{
var sourcePixelFormat = AVPixelFormat.AV_PIX_FMT_BGR24;
var destinationPixelFormat = AVPixelFormat.AV_PIX_FMT_YUV420P; //for h.264
using (var vfc = new VideoFrameConverter(videoInfo.SourceFrameSize, sourcePixelFormat, videoInfo.DestinationFrameSize, destinationPixelFormat))
{
var convertedFrame = vfc.Convert(queueFrame);
convertedFrame.pts = frameNumber * 2; //to do
h264Encoder.TryEncodeNextPacket(convertedFrame);
}
frameNumber++;
}
}
}
catch (ObjectDisposedException e)
{
Console.WriteLine(e.Message);
}
catch (AccessViolationException e)
{
Console.WriteLine(e.Message);
}
}
private void DecodeAllFramesToImages(object state)
{
try
{
using (var decoder = new VideoStreamDecoder(url, videoInputType))
{
videoInfo = decoder.GetVideoInfo();
var info = decoder.GetContextInfo();
info.ToList().ForEach(x => Console.WriteLine($"{x.Key} = {x.Value}"));
var sourceSize = decoder.FrameSize;
var sourcePixelFormat = hwDeviceType == AVHWDeviceType.AV_HWDEVICE_TYPE_NONE ? decoder.PixelFormat : GetHWPixelFormat(hwDeviceType);
var destinationSize = sourceSize;
var destinationPixelFormat = AVPixelFormat.AV_PIX_FMT_BGR24;
using (var vfc = new VideoFrameConverter(sourceSize, sourcePixelFormat, destinationSize, destinationPixelFormat))
{
while (decoder.TryDecodeNextFrame(out var frame) && isDecodingEvent.WaitOne())
{
var convertedFrame = vfc.Convert(frame);
Bitmap bitmap = new Bitmap(convertedFrame.width, convertedFrame.height, convertedFrame.linesize[0], System.Drawing.Imaging.PixelFormat.Format24bppRgb, (IntPtr)convertedFrame.data[0]);
if (isEncodingThreadRunning)
{
decodedFrameQueue.Enqueue(convertedFrame);
}
BitmapToImageSource(bitmap);
}
}
}
}
catch (ApplicationException e)
{
Console.WriteLine(e.Message);
}
catch (ObjectDisposedException e)
{
Console.WriteLine(e.Message);
}
catch (AccessViolationException e)
{
Console.WriteLine(e.Message);
}
}
