public void play()
{
if (VideoState == VideoState.PLAYING ||
VideoState == VideoState.CLOSED)
{
return;
}
audioFrameTimer = videoFrameTimer = HRTimer.getTimestamp();
videoDecoder.FrameQueue.setState(FrameQueue.FrameQueueState.PLAY, FrameQueue.FrameQueueState.PLAY,
FrameQueue.FrameQueueState.PLAY);
if (VideoState == VideoState.OPEN)
{
startDemuxing();
if (videoDecoder.HasVideo)
{
videoRefreshTimer.start();
}
if (videoDecoder.HasAudio)
{
audioRefreshTimer.start();
}
}
VideoState = VideoState.PLAYING;
}
internal static void TestProtoPacketsPerf()
{
short psize;
PUserLogin p = new PUserLogin
{
UserName = "******",
Password = "******"
};
p.Setup();
byte[] ps = p.Serialize();
BasePacket.Deserialize(ps, ps.Length, 0, out psize);
HRTimer timer = HRTimer.CreateAndStart();
Parallel.For(0, ITERATIONS_COUNT, i =>
// for (int i = 0; i < ITERATIONS_COUNT; i++)
{
p.Setup();
ps = p.Serialize();
BasePacket.Deserialize(ps, ps.Length, 0, out psize);
});
// }
System.Console.WriteLine(timer.StopWatch());
}
void seekFunc(double positionSeconds, VideoLib.VideoPlayer.SeekKeyframeMode mode)
{
if (VideoState == VideoPlayerControl.VideoState.CLOSED)
{
return;
}
// wait for video and audio decoding to block
// To make sure no packets are in limbo
// before flushing any ffmpeg internal or external queues.
videoDecoder.FrameQueue.setState(FrameQueue.FrameQueueState.BLOCK, FrameQueue.FrameQueueState.BLOCK,
FrameQueue.FrameQueueState.BLOCK);
if (videoDecoder.seek(positionSeconds, mode) == true)
{
// flush the framequeue and audioplayer buffer
videoDecoder.FrameQueue.flush();
audioPlayer.flush();
audioFrameTimer = videoFrameTimer = HRTimer.getTimestamp();
}
if (VideoState == VideoPlayerControl.VideoState.PLAYING)
{
videoDecoder.FrameQueue.setState(FrameQueue.FrameQueueState.PLAY,
FrameQueue.FrameQueueState.PLAY, FrameQueue.FrameQueueState.PLAY);
}
else if (VideoState == VideoPlayerControl.VideoState.PAUSED)
{
// display the first new frame in paused mode
videoDecoder.FrameQueue.startSingleFrame();
}
}
internal static void TestCollectionsPerf()
{
var list = new List <Player>();
HRTimer timer = HRTimer.CreateAndStart();
for (int i = 0; i < ITERATIONS_COUNT; i++)
{
lock (list)
{
list.Add(new Player {
Id = i
});
}
}
System.Console.WriteLine(timer.StopWatch());
timer = HRTimer.CreateAndStart();
foreach (Player player in list)
{
if (player.Id != -1)
{
player.Id++;
}
}
System.Console.WriteLine(timer.StopWatch());
timer = HRTimer.CreateAndStart();
list.RemoveAll(p => p.Id > 0);
System.Console.WriteLine(timer.StopWatch());
}
public VideoPlayerViewModel(DisplayVideoFrameDelegate displayVideoFrameCallback,
VideoLib.VideoPlayer.DecodedVideoFormat decodedVideoFormat)
{
this.displayVideoFrameCallback = displayVideoFrameCallback;
this.decodedVideoFormat = decodedVideoFormat;
videoDecoder = new VideoLib.VideoPlayer();
videoDecoder.setLogCallback(videoDecoderLogCallback, true, true);
audioPlayer = new AudioPlayer();
videoRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
videoRefreshTimer.Tick += new EventHandler(videoRefreshTimer_Tick);
//videoRefreshTimer.SynchronizingObject = this;
videoRefreshTimer.AutoReset = false;
audioRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
audioRefreshTimer.Tick += new EventHandler(audioRefreshTimer_Tick);
audioRefreshTimer.AutoReset = false;
//audioRefreshTimer.SynchronizingObject = null;
audioDiffAvgCoef = Math.Exp(Math.Log(0.01) / AUDIO_DIFF_AVG_NB);
syncMode = SyncMode.AUDIO_SYNCS_TO_VIDEO;
VideoState = VideoState.CLOSED;
playCommand = new Command(new Action(() => startPlay()));
pauseCommand = new Command(new Action(() => pausePlay()));
closeCommand = new Command(new Action(() => close()));
DurationSeconds = 0;
PositionSeconds = 0;
}
public ComputerPlayer(enPiece piece, int nDepth, bool bPerfectFinish)
: base(piece)
{
m_nDepth = nDepth;
m_timer = new HRTimer();
m_bPerfectFinish = bPerfectFinish;
}
void processVideoFrame()
{
bool skipVideoFrame = false;
restartvideo:
double actualDelay = 0.04;
Rectangle scaledVideoRec = ImageUtils.stretchRectangle(
new Rectangle(0, 0, videoDecoder.Width, videoDecoder.Height),
videoRender.Canvas);
Rectangle canvas = ImageUtils.centerRectangle(videoRender.Canvas,
scaledVideoRec);
// grab a decoded frame, returns false if the queue is stopped
VideoFrame videoFrame = videoDecoder.FrameQueue.getDecodedVideoFrame();
if (VideoState == VideoState.CLOSED && videoFrame == null)
{
return;
}
else if (VideoState == VideoState.PLAYING)
{
videoPts = videoFrame.Pts;
videoPtsDrift = videoFrame.Pts + HRTimer.getTimestamp();
if (skipVideoFrame == false)
{
videoRender.display(videoFrame, canvas, Color.Black, VideoRender.RenderMode.NORMAL);
videoDebug.VideoFrames = videoDebug.VideoFrames + 1;
}
actualDelay = synchronizeVideo(videoPts);
}
else if (VideoState == VideoState.PAUSED)
{
videoRender.display(null, canvas, Color.Black, VideoRender.RenderMode.PAUSED);
}
// do not update ui elements on main thread inside videoStateLock
// or we can get a deadlock
videoDebug.update();
updateUI();
if (actualDelay < 0.010)
{
// delay is too small skip next frame
skipVideoFrame = true;
videoDebug.NrVideoFramesDropped = videoDebug.NrVideoFramesDropped + 1;
goto restartvideo;
}
// start timer with delay for next frame
videoRefreshTimer.Interval = (int)(actualDelay * 1000 + 0.5);
videoRefreshTimer.start();
}
public VideoPlayerViewModel(Control owner,
VideoLib.VideoPlayer.OutputPixelFormat decodedVideoFormat = VideoLib.VideoPlayer.OutputPixelFormat.YUV420P)
{
this.owner = owner;
DecodedVideoFormat = decodedVideoFormat;
videoDecoder = new VideoLib.VideoPlayer();
videoDecoder.FrameQueue.Finished += new EventHandler((s, e) =>
{
owner.BeginInvoke(new Func <Task>(async() => await close()));
});
videoDecoder.FrameQueue.IsBufferingChanged += new EventHandler((s, e) =>
{
owner.BeginInvoke(new Action(() =>
{
if (IsBufferingChanged != null)
{
IsBufferingChanged(this, videoDecoder.FrameQueue.IsBuffering);
}
}));
});
audioPlayer = new AudioPlayer(owner);
videoRender = new VideoRender(owner);
audioDiffAvgCoef = Math.Exp(Math.Log(0.01) / AUDIO_DIFF_AVG_NB);
//syncMode = SyncMode.AUDIO_SYNCS_TO_VIDEO;
syncMode = SyncMode.VIDEO_SYNCS_TO_AUDIO;
videoRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
videoRefreshTimer.Tick += new EventHandler(videoRefreshTimer_Tick);
videoRefreshTimer.AutoReset = false;
audioRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
audioRefreshTimer.Tick += new EventHandler(audioRefreshTimer_Tick);
audioRefreshTimer.AutoReset = false;
DurationSeconds = 0;
PositionSeconds = 0;
videoPts = 0;
audioPts = 0;
owner.HandleDestroyed += new EventHandler(async(s, e) => await close());
VideoState = VideoState.CLOSED;
VideoLocation = "";
Subtitles = new Subtitles(Log);
//interruptIOTokenSource = new CancellationTokenSource();
}
double getVideoClock()
{
if (VideoState == VideoState.PAUSED)
{
return(videoPts);
}
else
{
return(videoPtsDrift - HRTimer.getTimestamp());
}
}
double getVideoClock()
{
if (videoDecoder.FrameQueue.VideoPacketQueueState != PacketQueue.PacketQueueState.OPEN ||
videoDecoder.FrameQueue.IsBuffering)
{
return(videoPts);
}
else
{
return(videoPtsDrift - HRTimer.getTimestamp());
}
}
double synchronizeAudio(int frameLength)
{
// calculate delay to play next frame
int bytesPerSecond = audioPlayer.SamplesPerSecond * videoDecoder.BytesPerSample * videoDecoder.NrChannels;
double delay = frameLength / (double)bytesPerSecond;
// adjust delay based on the actual current time
audioFrameTimer += delay;
double actualDelay = audioFrameTimer - HRTimer.getTimestamp();
return(actualDelay);
}
private void SendResponsesProc()
{
const float timeToCall = 1000 / WORLD_DELAY_BETWEEN_FRAMES_MS - 1;
HRTimer timer = new HRTimer();
DateTime opTime = DateTime.UtcNow;
while (!_terminating)
{
if (_unsentResponsesAvailable)
{
timer.StartWatch();
Pair <int, BaseResponse>[] responses;
lock (_responsesPool)
{
responses = _responses.ToArray();
_responses.Clear();
_unsentResponsesAvailable = false;
}
int cnt = responses.Length;
for (int i = 0; i < cnt; i++)
// Parallel.For(0, cnt, i => //!!!
{
int clientId;
Pair <int, BaseResponse> response = responses[i];
if (_playerClients.TryGetValue(response.Key, out clientId))
{
_netServer.Send(clientId, response.Value);
}
_responsesPool.Push(response);
// });
}
WriteLog(LogEventType.TCPResponsesSend, timer.StopWatch().ToString("F"));
}
DateTime curTime = DateTime.UtcNow;
TimeSpan elapsed = curTime - opTime;
int timeToIdle = (int)(timeToCall - elapsed.TotalMilliseconds);
while (timeToIdle > 0)
{
Thread.Sleep(timeToIdle / 2);
elapsed = (curTime = DateTime.UtcNow) - opTime;
timeToIdle = (int)(timeToCall - elapsed.TotalMilliseconds);
}
elapsed = curTime - opTime;
opTime = curTime;
WriteLog(LogEventType.TCPResponsesProc, elapsed.TotalMilliseconds.ToString("F"));
}
}
public VideoPanelViewModel()
{
//
//TODO: Add the constructor code here
//
//videoRender = null;
//mediaPlayer.Dock = DockStyle.Fill;
//mediaPlayer.stretchToFit = true;
videoRender = new VideoRender(VideoPanel);
audioPlayer = new StreamingAudioBuffer(this);
//videoRender.initialize(0,0);
videoDecoder = new VideoPlayer();
videoDecoder.FrameQueue.Closed += new EventHandler(frameQueue_Closed);
videoDecoder.setLogCallback(new VideoPlayer.LogCallbackDelegate(videoDecoderLogCallback),
true, true);
videoRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
videoRefreshTimer.Tick += new EventHandler(videoRefreshTimer_Tick);
//videoRefreshTimer.SynchronizingObject = this;
videoRefreshTimer.AutoReset = false;
audioRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
audioRefreshTimer.Tick += new EventHandler(audioRefreshTimer_Tick);
audioRefreshTimer.AutoReset = false;
audioRefreshTimer.SynchronizingObject = null;
videoDebug = new VideoDebugForm();
audioDiffAvgCoef = Math.Exp(Math.Log(0.01) / AUDIO_DIFF_AVG_NB);
//syncMode = SyncMode.VIDEO_SYNCS_TO_AUDIO;
syncMode = SyncMode.AUDIO_SYNCS_TO_VIDEO;
VideoState = VideoState.CLOSED;
updateTimeTrackBar = true;
timeTrackBarToolTip = new CustomToolTip();
timeTrackBarToolTip.BackColor = SystemColors.Info;
this.Controls.Add(timeTrackBarToolTip);
timeTrackBarToolTip.Show();
timeTrackBarToolTip.BringToFront();
timeTrackBarToolTip.Visible = false;
muteCheckBox.Checked = bool.Parse(Settings.getVar(Settings.VarName.VIDEO_MUTED));
volumeTrackBar.Value = Util.lerp <int>(Double.Parse(Settings.getVar(Settings.VarName.VIDEO_VOLUME)), volumeTrackBar.Minimum, volumeTrackBar.Maximum);
}
double synchronizeVideo(double videoPts)
{
// assume delay to next frame equals delay between previous frames
double delay = videoPts - previousVideoPts;
if (delay <= 0 || delay >= 1.0)
{
// if incorrect delay, use previous one
delay = previousVideoDelay;
}
previousVideoPts = videoPts;
previousVideoDelay = delay;
if (videoDecoder.HasAudio && syncMode == SyncMode.VIDEO_SYNCS_TO_AUDIO)
{
// synchronize video to audio
double diff = getVideoClock() - audioPlayer.getAudioClock();
// Skip or repeat the frame. Take delay into account
// FFPlay still doesn't "know if this is the best guess."
double sync_threshold = (delay > AV_SYNC_THRESHOLD) ? delay : AV_SYNC_THRESHOLD;
if (Math.Abs(diff) < AV_NOSYNC_THRESHOLD)
{
if (diff <= -sync_threshold)
{
delay = 0;
}
else if (diff >= sync_threshold)
{
delay = 2 * delay;
}
}
}
// adjust delay based on the actual current time
videoFrameTimer += delay;
double actualDelay = videoFrameTimer - HRTimer.getTimestamp();
videoDebug.VideoDelay = delay;
videoDebug.ActualVideoDelay = actualDelay;
videoDebug.VideoSync = getVideoClock();
videoDebug.AudioSync = audioPlayer.getAudioClock();
videoDebug.VideoQueueSize = videoDecoder.FrameQueue.VideoPacketsInQueue;
videoDebug.AudioQueueSize = videoDecoder.FrameQueue.AudioPacketsInQueue;
return(actualDelay);
}
public Client()
{
// first of all force asyncio
AsyncIO.ForceDotNet.Force();
// time to send all messages before any socket gets disposed, default: 0.
NetMQConfig.Linger = System.TimeSpan.FromMilliseconds(250);
timer = new HRTimer();
subscriber = new SubscriberSocket();
messageHandlers = new SortedDictionary <System.UInt64, Action <NetMQMessage> >();
config();
}
protected virtual void Dispose(bool safe)
{
if (safe)
{
if (videoRender != null)
{
videoRender.Dispose();
videoRender = null;
}
if (audioPlayer != null)
{
audioPlayer.Dispose();
audioPlayer = null;
}
if (videoDecoder != null)
{
videoDecoder.Dispose();
videoDecoder = null;
}
/*if (demuxPacketsTask != null)
* {
* demuxPacketsTask.Dispose();
* demuxPacketsTask = null;
* }*/
if (CancelTokenSource != null)
{
CancelTokenSource.Dispose();
CancelTokenSource = null;
}
if (demuxPacketsCancellationTokenSource != null)
{
demuxPacketsCancellationTokenSource.Dispose();
demuxPacketsCancellationTokenSource = null;
}
if (videoRefreshTimer != null)
{
videoRefreshTimer.Dispose();
videoRefreshTimer = null;
}
if (audioRefreshTimer != null)
{
audioRefreshTimer.Dispose();
audioRefreshTimer = null;
}
}
}
internal void TestGameMapPerf()
{
const ushort mapWidth = 1000, mapHeight = 1000;
int count = mapWidth * mapHeight;
HRTimer timer = HRTimer.CreateAndStart();
#if UNSAFE_ARRAY
int sizeOfTile = Marshal.SizeOf(typeof(Tile));
Tile *pTiles = (Tile *)Memory.HeapAlloc(count * sizeOfTile);
#else
Tile[,] aTiles = new Tile[MapWidth, MapHeight];
#endif
System.Console.WriteLine(timer.StopWatch());
timer = HRTimer.CreateAndStart();
for (int i = 0; i < count; i++)
{
#if !UNSAFE_ARRAY
fixed(Tile *pTiles = aTiles)
#endif
{
pTiles[i].Type = TileType.Wall;
pTiles[i].TypeIndex = 100;
}
}
System.Console.WriteLine(timer.StopWatch());
#if UNSAFE_ARRAY
Memory.HeapFree(pTiles);
#endif
using (ServerMap map = new ServerMap(mapWidth, mapHeight, 0))
{
timer = HRTimer.CreateAndStart();
for (ushort y = 0; y < mapHeight; y++)
{
for (ushort x = 0; x < mapWidth; x++)
{
Tile *tile = map[x, y];
(*tile).Type = TileType.Nothing;
(*tile).TypeIndex = 1;
}
}
System.Console.WriteLine(timer.StopWatch());
}
}
void videoRefreshTimer_Tick(Object sender, EventArgs e)
{
bool skipVideoFrame = false;
restartvideo:
double actualDelay = 0.04;
// grab a decoded frame, returns false if the queue is stopped
VideoLib.VideoFrame videoFrame = videoDecoder.FrameQueue.getDecodedVideoFrame();
if (VideoState == VideoState.CLOSED && videoFrame == null)
{
return;
}
else if (VideoState == VideoState.PLAYING)
{
videoPts = videoFrame.Pts;
videoPtsDrift = videoFrame.Pts + HRTimer.getTimestamp();
if (skipVideoFrame == false && displayVideoFrameCallback != null)
{
displayVideoFrameCallback(videoFrame);
}
actualDelay = synchronizeVideo(videoPts);
}
else if (VideoState == VideoState.PAUSED)
{
//videoRender.display(null, canvas, Color.Black, VideoRender.RenderMode.PAUSED);
}
updateObservableVariables();
if (actualDelay < 0.010)
{
// delay is too small skip next frame
skipVideoFrame = true;
//videoDebug.NrVideoFramesDropped = videoDebug.NrVideoFramesDropped + 1;
goto restartvideo;
}
// start timer with delay for next frame
videoRefreshTimer.Interval = (int)(actualDelay * 1000 + 0.5);
videoRefreshTimer.start();
}
internal static void TestMapWindowGetPerf()
{
using (ServerMap serverMap = ServerMap.LoadFromFile("RK.save"))
{
ServerMap map = serverMap;
HRTimer timer = HRTimer.CreateAndStart();
for (int i = 0; i < 100; i++)
{
int startX = 0, startY = 0;
int wWidth = 150, wHeight = 150;
map.GetWindow(startX, startY, wWidth, wHeight);
}
System.Console.WriteLine(timer.StopWatch());
}
}
internal static void TestHybridLockPerf()
{
HRTimer timer = HRTimer.CreateAndStart();
LightLock hl = new LightLock();
int y = 0;
Parallel.For(0, ITERATIONS_COUNT, i =>
{
hl.WaitOne();
y++;
hl.Set();
});
System.Console.WriteLine(y.ToString());
System.Console.WriteLine(timer.StopWatch());
}
internal static void TestNetPerf1x1()
{
PTestXkb tcpPacketToSend = new PTestXkb();
ManualResetEventSlim tcpSync = new ManualResetEventSlim(false);
TCPServer tcpServer = new TCPServer(new TCPServerSettings
(
100, 100, 10, 1024, 10001
));
tcpServer.ClientDataReceived += (server, clientId, packets) =>
{
server.Send(clientId, packets[0]);
};
tcpServer.ClientDataSent += (server, clientId) =>
{
server.DropClient(clientId);
tcpSync.Set();
};
tcpServer.Start();
TCPClient tcpClient = new TCPClient(new TCPClientSettings
(
1024, "127.0.0.1", 10001, false
));
tcpClient.Connected += client =>
{
client.Send(tcpPacketToSend);
};
HRTimer timer = HRTimer.CreateAndStart();
for (int i = 0; i < ITERATIONS_COUNT; i++)
{
tcpClient.Connect();
tcpSync.Wait();
tcpSync.Reset();
}
System.Console.WriteLine(timer.StopWatch());
}
internal static void TestMultithreadDictionaryPerf()
{
var dict = new Dictionary <long, int>();
_tEvents = new WaitHandle[THREADS_COUNT];
for (int i = 0; i < THREADS_COUNT; i++)
{
_tEvents[i] = new ManualResetEvent(false);
}
HRTimer timer = HRTimer.CreateAndStart();
for (int i = 0; i < THREADS_COUNT; i++)
{
object[] param = { i, dict, _tEvents[i] };
ThreadPool.QueueUserWorkItem(DoTestMultithreadDictionary, param);
}
WaitHandle.WaitAll(_tEvents);
System.Console.WriteLine(timer.StopWatch());
}
internal static void TestMultithreadListPerf()
{
var list = new List <Player>();
var sync = new ReaderWriterLockSlim();
_tEvents = new WaitHandle[THREADS_COUNT];
for (int i = 0; i < THREADS_COUNT; i++)
{
_tEvents[i] = new ManualResetEvent(false);
}
HRTimer timer = HRTimer.CreateAndStart();
for (int i = 0; i < THREADS_COUNT; i++)
{
object[] param = { i, list, _tEvents[i], sync };
ThreadPool.QueueUserWorkItem(DoTestMultithreadList, param);
}
WaitHandle.WaitAll(_tEvents);
System.Console.WriteLine(timer.StopWatch());
}
internal static void TestToArrayToListPerf()
{
List <Pair <int, BaseResponse> > list = new List <Pair <int, BaseResponse> >();
for (int i = 0; i < ITERATIONS_COUNT; i++)
{
list.Add(new Pair <int, BaseResponse>(i, new RUserLogin()));
}
var converted = list.ToList();
HRTimer timer = HRTimer.CreateAndStart();
// for (int i = 0; i < ITERATIONS_COUNT; i++)
// {
// converted[i].Value.Id = 0;
// }
foreach (Pair <int, BaseResponse> pair in converted)
{
pair.Value.Id = 0;
}
System.Console.WriteLine(timer.StopWatch());
}
void demuxPackets(CancellationToken token)
{
audioFrameTimer = videoFrameTimer = HRTimer.getTimestamp();
bool success = true;
// decode frames one by one, or handle seek requests
do
{
if (seekRequest == true)
{
// wait for video and audio decoding to pause/block
// To make sure no packets are in limbo
// before flushing any ffmpeg internal or external queues.
videoDecoder.FrameQueue.pause();
if (videoDecoder.seek(seekPosition) == true)
{
// flush the framequeue and audioplayer buffer
videoDecoder.FrameQueue.flush();
audioPlayer.flush();
// refill/buffer the framequeue from the new position
fillFrameQueue();
audioFrameTimer = videoFrameTimer = HRTimer.getTimestamp();
}
seekRequest = false;
// allow video and audio decoding to continue
videoDecoder.FrameQueue.start();
}
else
{
success = videoDecoder.demuxPacket();
}
} while (success == true && !token.IsCancellationRequested);
}
public VideoPanelViewModel()
{
//
//TODO: Add the constructor code here
//
//videoRender = null;
//mediaPlayer.Dock = DockStyle.Fill;
//mediaPlayer.stretchToFit = true;
videoRender = new VideoRender(VideoPanel);
audioPlayer = new StreamingAudioBuffer(this);
//videoRender.initialize(0,0);
videoDecoder = new VideoPlayer();
videoDecoder.FrameQueue.Closed += new EventHandler(frameQueue_Closed);
videoDecoder.setLogCallback(new VideoPlayer.LogCallbackDelegate(videoDecoderLogCallback),
true, true);
videoRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
videoRefreshTimer.Tick += new EventHandler(videoRefreshTimer_Tick);
//videoRefreshTimer.SynchronizingObject = this;
videoRefreshTimer.AutoReset = false;
audioRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
audioRefreshTimer.Tick += new EventHandler(audioRefreshTimer_Tick);
audioRefreshTimer.AutoReset = false;
audioRefreshTimer.SynchronizingObject = null;
videoDebug = new VideoDebugForm();
audioDiffAvgCoef = Math.Exp(Math.Log(0.01) / AUDIO_DIFF_AVG_NB);
//syncMode = SyncMode.VIDEO_SYNCS_TO_AUDIO;
syncMode = SyncMode.AUDIO_SYNCS_TO_VIDEO;
VideoState = VideoState.CLOSED;
updateTimeTrackBar = true;
timeTrackBarToolTip = new CustomToolTip();
timeTrackBarToolTip.BackColor = SystemColors.Info;
this.Controls.Add(timeTrackBarToolTip);
timeTrackBarToolTip.Show();
timeTrackBarToolTip.BringToFront();
timeTrackBarToolTip.Visible = false;
muteCheckBox.Checked = bool.Parse(Settings.getVar(Settings.VarName.VIDEO_MUTED));
volumeTrackBar.Value = Util.lerp<int>(Double.Parse(Settings.getVar(Settings.VarName.VIDEO_VOLUME)), volumeTrackBar.Minimum, volumeTrackBar.Maximum);
}
void videoRefreshTimer_Tick(Object sender, EventArgs e)
{
bool skipVideoFrame = false;
restartvideo:
double actualDelay = 0.04;
// grab a decoded frame, returns null if the queue is paused or closed
VideoFrame videoFrame = videoDecoder.FrameQueue.getDecodedVideoFrame();
if (videoFrame == null)
{
if (VideoState == VideoState.CLOSED)
{
videoRender.display(null, Color.Black, RenderMode.CLEAR_SCREEN);
videoRender.releaseResources();
return;
}
videoRender.display(null, Color.Black, RenderMode.PAUSED);
}
else
{
if (videoRender.RenderMode == RenderMode.PAUSED)
{
// reset videoFrameTimer before (re)starting rendering
audioFrameTimer = videoFrameTimer = HRTimer.getTimestamp();
}
videoPts = videoFrame.Pts;
videoDts = videoFrame.Dts;
videoPtsDrift = videoFrame.Pts + HRTimer.getTimestamp();
if (skipVideoFrame == false)
{
videoRender.display(videoFrame, Color.Black, RenderMode.NORMAL);
}
actualDelay = synchronizeVideo(videoPts);
NrFramesRendered++;
framePts = videoFrame.FramePts;
//frameDts = videoFrame.FrameDts;
isKeyFrame = videoFrame.IsKey;
}
updateObservableVariables();
if (actualDelay < 0.010)
{
// delay is too small skip next frame
skipVideoFrame = true;
NrFramesDropped++;
goto restartvideo;
}
// start timer with delay for next frame
videoRefreshTimer.Interval = (int)(actualDelay * 1000 + 0.5);
videoRefreshTimer.start();
}
internal static void TestDataCopyPerf()
{
const int buffersSize = 100;
const int buffersCount = ITERATIONS_COUNT / buffersSize;
byte[] srcData = new byte[ITERATIONS_COUNT];
for (int i = 0; i < srcData.Length; i++)
{
srcData[i] = (byte)i;
}
byte[][] smallBuffers = new byte[buffersCount][];
for (int i = 0; i < buffersCount; i++)
{
smallBuffers[i] = new byte[buffersSize];
}
System.Console.WriteLine("Array.Copy:");
HRTimer timer = HRTimer.CreateAndStart();
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
Array.Copy(srcData, srcIdx, smallBuffers[i], 0, buffersSize);
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("Buffer.BlockCopy:");
timer = HRTimer.CreateAndStart();
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
Buffer.BlockCopy(srcData, srcIdx, smallBuffers[i], 0, buffersSize);
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("Marshal.Copy:");
timer = HRTimer.CreateAndStart();
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i])
{
Marshal.Copy(srcData, srcIdx, new IntPtr(bDestData), buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("memcpy:");
timer = HRTimer.CreateAndStart();
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i]) fixed(byte *bSrcData = srcData)
{
Memory.Copy(bDestData, &bSrcData[srcIdx], buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("memcpy2:");
timer = HRTimer.CreateAndStart();
fixed(byte *bSrcData = srcData)
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i])
{
Memory.Copy(bDestData, &bSrcData[srcIdx], buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("memmove:");
timer = HRTimer.CreateAndStart();
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i]) fixed(byte *bSrcData = srcData)
{
Memory.Move(bDestData, &bSrcData[srcIdx], buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("memmove2:");
timer = HRTimer.CreateAndStart();
fixed(byte *bSrcData = srcData)
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i])
{
Memory.Move(bDestData, &bSrcData[srcIdx], buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("CustomCopy:");
timer = HRTimer.CreateAndStart();
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i]) fixed(byte *bSrcData = srcData)
{
CustomCopy(bDestData, &bSrcData[srcIdx], buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
System.Console.WriteLine("CustomCopy2:");
timer = HRTimer.CreateAndStart();
fixed(byte *bSrcData = srcData)
for (int i = 0; i < buffersCount; i++)
{
int srcIdx = i * buffersSize;
fixed(byte *bDestData = smallBuffers[i])
{
CustomCopy(bDestData, &bSrcData[srcIdx], buffersSize);
}
}
System.Console.WriteLine(timer.StopWatch());
}
public VideoPlayerViewModel(DisplayVideoFrameDelegate displayVideoFrameCallback,
VideoLib.VideoPlayer.DecodedVideoFormat decodedVideoFormat)
{
this.displayVideoFrameCallback = displayVideoFrameCallback;
this.decodedVideoFormat = decodedVideoFormat;
videoDecoder = new VideoLib.VideoPlayer();
videoDecoder.setLogCallback(videoDecoderLogCallback, true, true);
audioPlayer = new AudioPlayer();
videoRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
videoRefreshTimer.Tick += new EventHandler(videoRefreshTimer_Tick);
//videoRefreshTimer.SynchronizingObject = this;
videoRefreshTimer.AutoReset = false;
audioRefreshTimer = HRTimerFactory.create(HRTimerFactory.TimerType.TIMER_QUEUE);
audioRefreshTimer.Tick += new EventHandler(audioRefreshTimer_Tick);
audioRefreshTimer.AutoReset = false;
//audioRefreshTimer.SynchronizingObject = null;
audioDiffAvgCoef = Math.Exp(Math.Log(0.01) / AUDIO_DIFF_AVG_NB);
syncMode = SyncMode.AUDIO_SYNCS_TO_VIDEO;
VideoState = VideoState.CLOSED;
playCommand = new Command(new Action(() => startPlay()));
pauseCommand = new Command(new Action(() => pausePlay()));
closeCommand = new Command(new Action(() => close()));
DurationSeconds = 0;
PositionSeconds = 0;
}
void audioRefreshTimer_Tick(Object sender, EventArgs e)
{
restartaudio:
double actualDelay = 0.04;
if (!videoDecoder.HasVideo)
{
updateObservableVariables();
}
// returns null when framequeue is paused or closed
VideoLib.AudioFrame audioFrame = videoDecoder.FrameQueue.getDecodedAudioFrame();
if (audioFrame == null)
{
// stop audio if playing
audioPlayer.stop();
if (VideoState == VideoState.CLOSED)
{
audioPlayer.flush();
return;
}
// when paused spin idle
}
else
{
if (audioPlayer.Status == SharpDX.DirectSound.BufferStatus.None)
{
// reset audio frame timer before (re)starting playing
audioFrameTimer = videoFrameTimer = HRTimer.getTimestamp();
}
audioPts = audioFrame.Pts;
audioDts = audioFrame.Dts;
// if the audio is lagging behind too much, skip the buffer completely
double diff = getVideoClock() - audioFrame.Pts;
if (diff > 0.2 && diff < 3 && syncMode == SyncMode.AUDIO_SYNCS_TO_VIDEO)
{
//log.Warn("dropping audio buffer, lagging behind: " + (getVideoClock() - audioFrame.Pts).ToString() + " seconds");
goto restartaudio;
}
//adjustAudioSamplesPerSecond(audioFrame);
adjustAudioLength(audioFrame);
audioPlayer.play(audioFrame);
int frameLength = audioFrame.Length;
actualDelay = synchronizeAudio(frameLength);
if (actualDelay < 0)
{
// delay too small, play next frame as quickly as possible
goto restartaudio;
}
}
// start timer with delay for next frame
audioRefreshTimer.Interval = (int)(actualDelay * 1000 + 0.5);
audioRefreshTimer.start();
}
