public bool AppendVideoFrame(byte[] data, int width, int height, TRTCVideoPixelFormat videoFormat, TRTCVideoRotation rotation)
{
if (!mFirstFrame || _width != width || _height != height)
{
mFirstFrame = true;
this.Dispatcher.Invoke(new Action(() =>
{
this.Width = _width = width;
this.Height = _height = height;
}));
}
if (mPause)
{
return(false);
}
if (data == null || data.Length <= 0)
{
return(false);
}
// data 数据有误
if (videoFormat == TRTCVideoPixelFormat.TRTCVideoPixelFormat_BGRA32 && width * height * 4 != data.Length)
{
return(false);
}
// 暂时不支持其他 YUV 类型
if (videoFormat == TRTCVideoPixelFormat.TRTCVideoPixelFormat_I420 && width * height * 3 / 2 != data.Length)
{
return(false);
}
// 目前只实现了 BGRA32 的数据类型，如需其他类型请重写，并设置回调的数据类型
if (videoFormat == TRTCVideoPixelFormat.TRTCVideoPixelFormat_BGRA32)
{
lock (mArgbFrame)
{
if (mArgbFrame.data == null || mArgbFrame.width != width || mArgbFrame.height != height)
{
ReleaseBuffer(mArgbFrame);
mArgbFrame.width = width;
mArgbFrame.height = height;
mArgbFrame.data = new byte[data.Length];
}
Buffer.BlockCopy(data, 0, mArgbFrame.data, 0, (int)data.Length);
mArgbFrame.newFrame = true;
mArgbFrame.rotation = rotation;
}
}
// 回到主线程刷新当前画面
this.Dispatcher.Invoke(new Action(() =>
{
this.InvalidateVisual();
}));
return(true);
}
/// <summary>
/// 支持rbga数据处理，如需自定义数据，需重载此函数。
/// </summary>
private void AppendVideoFrame(byte[] data, uint length, uint width, uint height, TRTCVideoPixelFormat videoFormat, TRTCVideoRotation rotation)
{
if (data == null)
{
return;
}
// 当下不支持YUV
if (videoFormat == TRTCVideoPixelFormat.TRTCVideoPixelFormat_I420 && length != width * height * 3 / 2)
{
return;
}
if (videoFormat == TRTCVideoPixelFormat.TRTCVideoPixelFormat_BGRA32 && length != width * height * 4)
{
return;
}
if (videoFormat == TRTCVideoPixelFormat.TRTCVideoPixelFormat_BGRA32)
{
lock (locker)
{
if (mArgbRenderFrame.data == null || mArgbRenderFrame.width != width || mArgbRenderFrame.height != height)
{
ReleaseBuffer(mArgbRenderFrame);
mArgbRenderFrame.width = (int)width;
mArgbRenderFrame.height = (int)height;
mArgbRenderFrame.data = new byte[length];
}
Buffer.BlockCopy(data, 0, mArgbRenderFrame.data, 0, (int)length);
mArgbRenderFrame.newFrame = true;
mArgbRenderFrame.rotation = rotation;
}
}
}
