public CameraEncoder(VideoEncodeCfg cfgVideo, Action <MediaFrame> callBack, Canvas canvas = null)
{
_cfgVideo = cfgVideo;
_fps = cfgVideo.FrameRate;
this.Canvas = canvas;
_capturer = CreateCapturer();
var @params = new X264Params(_cfgVideo.Width, _cfgVideo.Height, _fps, cfgVideo.VideoBitRate);
if (cfgVideo.Params.ContainsKey("X264Encode"))
{
@params.method = (int)cfgVideo.Params["X264Encode"];
}
if (cfgVideo.Params.ContainsKey("KeyFrameRate"))
{
@params.key_frame_max = (int)cfgVideo.Params["KeyFrameRate"];
}
_x264 = new X264Native(@params);
_x264.Init();
_ffscale = new FFScale(_cfgVideo.Width, _cfgVideo.Height, 0, 12, _cfgVideo.Width, _cfgVideo.Height, 12, 12);
_draw = cfgVideo.Draw;
_draw.SetSize(_cfgVideo.Width, _cfgVideo.Height);
_callBack = callBack;
}
private void Init(MediaFrame frame, bool reinit = false)
{
if (_inited && !reinit)
{
return;
}
if (_ffimp != null)
{
_ffimp.Release();
}
_inited = true;
_width = frame.nWidth;
_height = frame.nHeight;
_ffimp = new FFImp(AVCodecCfg.CreateVideo(_width, _height), true, true);
if (_yuvDraw == null && _control != null)
{
_yuvDraw = new YUVGDIDraw(_control);
}
_yuvDraw.SetSize(_width, _height);
_yuvDataBuffer = new byte[_width * _height * 3 / 2];
_drawHandle = new Action <byte[]>(Draw);
}
