private IAgoraRtcEngine GetEngine()
{
var engine = AgoraRtcEngine.Get(AgoraEngineType);
if (_needUpdateInfo && engine != null)
{
if (_videoStreamManager == null)
{
_videoStreamManager = ((AgoraRtcEngine)engine).GetVideoStreamManager();
}
if (_videoStreamManager != null)
{
_videoStreamManager.EnableVideoFrameCache(VideoPixelWidth, VideoPixelHeight, Uid, ChannelId);
}
_needUpdateInfo = false;
_needResize = true;
FreeMemory();
_cachedVideoFrame = new IrisRtcVideoFrame
{
type = VIDEO_FRAME_TYPE.FRAME_TYPE_RGBA,
y_stride = VideoPixelWidth * 4,
height = VideoPixelHeight,
y_buffer = Marshal.AllocHGlobal(VideoPixelWidth * VideoPixelHeight * 4)
};
}
return(engine);
}
void OnDestroy()
{
AgoraLog.Log(string.Format("VideoSurface channel: ${0}, user:{1} destroy", ChannelId, Uid));
if (GetEngine() != null && _videoStreamManager != null)
{
_videoStreamManager.DisableVideoFrameCache(Uid, ChannelId);
_videoStreamManager = null;
}
FreeMemory();
DestroyTexture();
}