private void TryProcessFrame()
{
if (FrameQueue != null)
{
FramePacket packet = FrameQueue.Pop();
//Debug.Log((packet == null ? "no frame to consume." : "frame consumed.") + "framesCount : " + frameQueue.Count);
if (packet != null)
{
ProcessFrameBuffer(packet);
}
}
}
/// <summary>
/// Internal helper that attempts to process frame data in the frame queue
/// </summary>
private void TryProcessFrame()
{
if (FrameQueue != null)
{
FramePacket packet = FrameQueue.Pop();
if (packet != null)
{
ProcessFrameBuffer(packet);
FrameQueue.Pool(packet);
}
}
}
public unsafe int RunVideo(int gap_h, int gap_w, int width, int height, SDLHelper sdlVideo) //这个是用来渲染整个大画面的
{
int frame_count = 0;
Produce_data p = new Produce_data();
fq = new FrameQueue();
p.gap_h = gap_h;
p.gap_w = gap_w;
p.target_height = height;
p.target_width = width;
IsRun = true;
exit_thread = false;
pause_thread = false;
threadVideo = Thread.CurrentThread;
SDL.SDL_Event even = new SDL.SDL_Event();
Thread refresh = new Thread(() => sfp_refresh_thread());
Thread produce = new Thread(() => ProduceFrame(ref p));
refresh.Start();
produce.Start();
System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch();
try
{
for (; ;)
{
//Wait
SDL.SDL_WaitEvent(out even);
if (even.type == SFM_REFRESH_EVENT)
{
FrameBuffer fb;
// 退出线程
if (exit_thread)
{
break;
}
// 暂停解析
if (pause_thread)
{
while (pause_thread)
{
Thread.Sleep(1);
}
}
while (true)
{
GetFrame(out fb);
if (fb == null)
{
Thread.Sleep(1);
}
else
{
fq.Pop();
break;
}
// Console.WriteLine("尚味获取到帧");
}
frame_count++;
//SDL播放YUV数据
//var data = fb.outbuffer;
int out_buffer_size = fb.outbuffersize;
AVFrame pFrameYUV = fb.av;
sdlVideo.SDL_Display(width * gap_w, height * gap_h, (IntPtr)(pFrameYUV.data[0]), out_buffer_size, pFrameYUV.linesize[0]);
// Console.WriteLine("渲染第" + frame_count.ToString() + "帧");
if (frame_count == 1)
{
stopwatch.Start();
}
if (frame_count == 1000)
{
stopwatch.Stop();
TimeSpan timespan = stopwatch.Elapsed;
Console.WriteLine(timespan.TotalSeconds.ToString());
Thread.Sleep(100000);
}
}
else if (even.type == SDL.SDL_EventType.SDL_KEYDOWN)
{
//Pause
if (even.key.keysym.sym == SDL.SDL_Keycode.SDLK_SPACE)
{
thread_pause = 1 - thread_pause;
}
}
else if (even.type == SDL.SDL_EventType.SDL_QUIT)
{
thread_exit = 1;
}
else if (even.type == SFM_BREAK_EVENT)
{
break;
}
}
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
finally
{
}
IsRun = false;
return(0);
}
