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);
}
internal override bool GetVideoFrame(ref IrisRtcVideoFrame video_frame,
ref bool is_new_frame, uint uid, string channel_id = "")
{
if (_agoraRtcEngine == null)
{
AgoraLog.LogError(string.Format("EnableVideoFrameCache ret: ${0}", ERROR_CODE_TYPE.ERR_NOT_INITIALIZED));
return(false);
}
IntPtr irisEngine = (_agoraRtcEngine as AgoraRtcEngine).GetNativeHandler();
if (irisEngine != IntPtr.Zero)
{
var rawDataPtr = AgoraRtcNative.GetIrisRtcRawData(irisEngine);
var renderPtr = AgoraRtcNative.GetIrisRtcRenderer(rawDataPtr);
return(AgoraRtcNative.GetVideoFrame(renderPtr, ref video_frame, out is_new_frame, uid, channel_id));
}
return(false);
}
internal abstract bool GetVideoFrame(ref IrisRtcVideoFrame video_frame,
ref bool is_new_frame, uint uid, string channel_id = "");
internal static extern void ClearVideoFrame(ref IrisRtcVideoFrame video_frame);
internal static extern IrisRtcVideoFrame ConvertVideoFrame(ref IrisRtcVideoFrame src, VIDEO_FRAME_TYPE format);
internal static extern bool GetVideoFrame(IrisRtcRendererPtr renderer_ptr, ref IrisRtcVideoFrame video_frame,
out bool is_new_frame, uint uid, string channel_id = "");
