/// <summary>
/// Constructs a new SDPSender object
/// </summary>
/// <param name="stream_task">
/// The streaming task that can be used to add clients to the RTP server
/// </param>
public SdpSender(RTPStreamAsyncHandler stream_task)
{
Debug.Log("Start listener");
server_ = new TcpListener(IPAddress.Any, SERVER_PORT);
server_.Start();
stream_task_ = stream_task;
}
/// <summary>
/// Creates all the underlying components
/// </summary>
void Start()
{
cam_ = GetComponent <Camera>();
cubemap_left_ = new RenderTexture(DIM, DIM, 24, RenderTextureFormat.ARGB32);
cubemap_left_.dimension = TextureDimension.Cube;
equirect_ = new RenderTexture(DIM, DIM, 24, RenderTextureFormat.ARGB32);
// The encode task handles sending frames to the rtp stream in a semi-async fashion
// codec_type 0 => H264
// codec_type 1 => H265
stream_task_ = new Server.RTPStreamAsyncHandler(FRAMERATE, DIM, DIM, "ultrafast", /* codec type */ 0);
if (stream_task_ == null)
{
Debug.LogError("ERROR failed to create streaming task");
}
// Async GPU callbacks prevent the CPU from being stalled when GPU tasks
// are running. The performance is significantly better on machines
// that support this functionality
supports_async_gpu_ = UnityEngine.SystemInfo.supportsAsyncGPUReadback;
if (!supports_async_gpu_)
{
texture_ = new Texture2D(DIM, DIM, TextureFormat.ARGB32, false);
UnityEngine.Debug.LogWarning(
"Device does not support asynchronous GPU Callbacks in Unity. " +
"Performance will suffer as a result.");
}
// Start a TCP server that serves SDP files to clients that want to
// connect to the RTP stream
sdp_server_ = new Server.SdpSender(stream_task_);
Task.Run(() => AcceptRequests());
}