public void SendCustomVideoFrame()
{
if (!mStartCustomCaptureVideo)
{
return;
}
try
{
using (FileStream fs = File.OpenRead(mVideoFilePath))
{
uint bufSize = mVideoWidth * mVideoHeight * 3 / 2;
if (mVideoBuffer == null)
{
mVideoBuffer = new byte[bufSize];
}
if (mOffsetVideoRead + bufSize > mVideoFileLength)
{
mOffsetVideoRead = 0;
}
fs.Seek(mOffsetVideoRead, SeekOrigin.Begin);
fs.Read(mVideoBuffer, 0, (int)bufSize);
mOffsetVideoRead += bufSize;
TRTCVideoFrame frame = new TRTCVideoFrame();
frame.videoFormat = TRTCVideoPixelFormat.TRTCVideoPixelFormat_I420;
frame.data = mVideoBuffer;
frame.width = mVideoWidth;
frame.height = mVideoHeight;
frame.length = bufSize;
mTRTCCloud.sendCustomVideoData(frame);
}
}
catch (Exception e)
{
Log.E(e.Message);
}
}
public void onRenderVideoFrame(string userId, TRTCVideoStreamType streamType, TRTCVideoFrame frame)
{
// 大小视频是占一个视频位，底层支持动态切换。
if (streamType == TRTCVideoStreamType.TRTCVideoStreamTypeSmall)
{
streamType = TRTCVideoStreamType.TRTCVideoStreamTypeBig;
}
TXLiteAVVideoView view = null;
lock (mMapViews)
{
foreach (var item in mMapViews)
{
if (item.Key.Equals(GetKey(userId, streamType)) && item.Value != null)
{
view = item.Value;
break;
}
}
}
if (view != null)
{
view.AppendVideoFrame(frame.data, (int)frame.width, (int)frame.height, frame.videoFormat, frame.rotation);
}
}
public void onRenderVideoFrame(string userId, TRTCVideoStreamType streamType, TRTCVideoFrame frame)
{
// 回调不是在主线程，处理数据时需要注意多线程下的同步问题
if (mIsStartCustomRender && string.IsNullOrEmpty(userId) && streamType == TRTCVideoStreamType.TRTCVideoStreamTypeBig)
{
AppendVideoFrame(frame.data, frame.length, frame.width, frame.height, frame.videoFormat, frame.rotation);
// 实时刷新画面渲染数据
this.Invoke(new Action(() => { this.Refresh(); }));
}
}
