private void OnFrameReceived(object sender, RawFrame rawFrame)
{
if (!(rawFrame is RawVideoFrame rawVideoFrame))
{
return;
}
FFmpegVideoDecoder decoder = GetDecoderForFrame(rawVideoFrame);
if (!decoder.TryDecode(rawVideoFrame, out DecodedVideoFrameParameters decodedFrameParameters))
{
return;
}
//long desiredSize = (long)rawFrame. << 32 | (uint)height;
//long desiredSize = Interlocked.Read(ref _desiredSize);
int targetWidth;
int targetHeight;
int bufferSize;
//if (desiredSize == 0)
//{
targetWidth = decodedFrameParameters.Width;
targetHeight = decodedFrameParameters.Height;
bufferSize = decodedFrameParameters.Height *
ImageUtils.GetStride(decodedFrameParameters.Width, PixelFormat.Bgr24);
//}
//else
//{
// targetWidth = (int)(desiredSize >> 32);
// targetHeight = (int)desiredSize;
// bufferSize = targetHeight *
// ImageUtils.GetStride(targetWidth, PixelFormat.Bgr24);
//}
if (_decodedFrameBuffer.Length != bufferSize)
{
_decodedFrameBuffer = new byte[bufferSize];
}
var bufferSegment = new ArraySegment <byte>(_decodedFrameBuffer);
var postVideoDecodingParameters = new PostVideoDecodingParameters(RectangleF.Empty,
new Size(targetWidth, targetHeight),
ScalingPolicy.Stretch, PixelFormat.Bgr24, ScalingQuality.Bicubic);
IDecodedVideoFrame decodedFrame = decoder.GetDecodedFrame(bufferSegment, postVideoDecodingParameters);
FrameReceived?.Invoke(this, decodedFrame);
}
private void OnFrameReceived(object sender, RawFrame rawFrame)
{
if (!(rawFrame is RawVideoFrame rawVideoFrame))
{
return;
}
FFmpegVideoDecoder decoder = GetDecoderForFrame(rawVideoFrame);
if (!decoder.TryDecode(rawVideoFrame, out DecodedVideoFrameParameters decodedFrameParameters))
{
return;
}
int targetWidth = decodedFrameParameters.Width;
int targetHeight = decodedFrameParameters.Height;
int bufferSize = decodedFrameParameters.Height *
ImageUtils.GetStride(decodedFrameParameters.Width, PixelFormat.Bgr24);
if (_decodedFrameBuffer.Length != bufferSize)
{
_decodedFrameBuffer = new byte[bufferSize];
}
var bufferSegment = new ArraySegment <byte>(_decodedFrameBuffer);
if (_postVideoDecodingParameters.TargetFrameSize.Width != targetWidth ||
_postVideoDecodingParameters.TargetFrameSize.Height != targetHeight)
{
_postVideoDecodingParameters = new PostVideoDecodingParameters(RectangleF.Empty,
new Size(targetWidth, targetHeight),
ScalingPolicy.Stretch, PixelFormat.Bgr24, ScalingQuality.Nearest);
}
IDecodedVideoFrame decodedFrame = decoder.GetDecodedFrame(bufferSegment, _postVideoDecodingParameters);
FrameReceived?.Invoke(this, decodedFrame);
}
private void OnFrameReceived(object sender, RawFrame rawFrame)
{
if (!(rawFrame is RawVideoFrame rawVideoFrame))
{
return;
}
FFmpegVideoDecoder decoder = GetDecoderForFrame(rawVideoFrame);
if (!decoder.TryDecode(rawVideoFrame, out DecodedVideoFrameParameters decodedFrameParameters))
{
return;
}
long desiredSize = Interlocked.Read(ref _desiredSize);
int targetWidth;
int targetHeight;
if (desiredSize == 0)
{
targetWidth = decodedFrameParameters.Width;
targetHeight = decodedFrameParameters.Height;
}
else
{
targetWidth = (int)(desiredSize >> 32);
targetHeight = (int)desiredSize;
}
var postVideoDecodingParameters = new PostVideoDecodingParameters(RectangleF.Empty,
new Size(targetWidth, targetHeight),
ScalingPolicy.Stretch, PixelFormat.Bgr24, ScalingQuality.Bicubic);
IDecodedVideoFrame decodedFrame = decoder.GetDecodedFrame(postVideoDecodingParameters);
FrameReceived?.Invoke(this, decodedFrame);
}