private void button2_Click(object sender, EventArgs e)
{
VideoCache vc = null;
vc = new VideoCache(openFileDialog1.FileName);
vc.FrameLoaded += new Action<VideoCache, int>(vc_FrameLoaded);
backgroundWorker1.RunWorkerAsync(vc);
string abs_path=textBox3.Text;
rs.addCache(abs_path, vc);
}
private void button2_Click(object sender, EventArgs e)
{
VideoCache vc = null;
vc = new VideoCache(openFileDialog1.FileName);
vc.FrameLoaded += new Action <VideoCache, int>(vc_FrameLoaded);
backgroundWorker1.RunWorkerAsync(vc);
string abs_path = textBox3.Text;
rs.addCache(abs_path, vc);
}
public void addCache(string abs_path, VideoCache vc)
{
if (vcs.ContainsKey(abs_path))
{
vcs[abs_path] = vc;
}
else
{
vcs.Add(abs_path, vc);
}
}
public bool readPreviousTag(Stream stream)
{
var p = stream.Position;
//Debug.WriteLine("readPreviousTag：{0}({0:X})+4+11=>{1}({1:X})", p,p+11+4);
var PreviousTagSize = stream.ReadUInt32(); //4 倒置读取位置
FlvTag flvTag = FlvTag.createTag(stream); //11 头部
if (flvTag == null)
{
return(false);
}
var data = flvTag.LoadTagData(stream);
//媒体数据
if (flvTag is ScriptDataTag)
{
MediaData = flvTag as ScriptDataTag;
return(true);
}
//音频头帧
if (flvTag is AudioTag)
{
var tag = flvTag as AudioTag;
if (FirstAudio == null)
{
FirstAudio = tag as AudioTag;
return(true);
}
AudioCache.Enqueue(tag);
}
//视频头帧
if (flvTag is VideoTag)
{
var tag = flvTag as VideoTag;
if (FirstVideo == null)
{
FirstVideo = flvTag as VideoTag;
return(true);
}
VideoCache.Enqueue(tag);
}
return(true);
}
private void backgroundWorker1_ProgressChanged(object sender, ProgressChangedEventArgs e)
{
VideoCache vc = (VideoCache)e.UserState;
label1.Text = string.Format("已載入{0}影格", vc.frames.Count);
}
void vc_FrameLoaded(VideoCache arg1, int arg2)
{
backgroundWorker1.ReportProgress(50, arg1);
}
private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e)
{
VideoCache vc = (VideoCache)e.Argument;
vc.startLoad();
}
public RTPPlayer(string host, int port, VideoCache vc)
{
us = new UdpSender(host, port);
this.vc = vc;
}
bool Reload(double time)
{
Stream m = null;
int i = 0;
try {
for (i = 0; i < times.Count; i++)
{
if (times[i] >= time)
{
m = this.CreateStream();
m.Position = kfs[i] - 4;
newFrame = true;
break;
}
}
}
catch (Exception e) {
m = null;
}
if (m != null)
{
VideoCache.Clear();
AudioCache.Clear();
var dm = MainStream;
if (dm != null)
{
Task.Run(async() => {
await Task.Delay(1000);
dm.Dispose();
});
}
MainStream = m;;
Debug.WriteLine(time + "==> TIMER：" + times[i] + " KFS:{0}({0:X})", kfs[i]);
}
if (!running)
{
running = true;
Debug.WriteLine("==running:true==");
Task.Run(async() => {
try {
while (true)
{
if (VideoCache.Count > 1024 || AudioCache.Count > 1024)
{
await Task.Delay(500);
//Debug.WriteLine("@@@ WAIT:RUNNING:" + VideoCache.Count + "|" + AudioCache.Count + " @@@");
continue;
}/*
* if (MainStream != m && MainStream != null) {
* m = MainStream;
* Debug.WriteLine("==running:update==");
* }*/
if (!this.readPreviousTag(MainStream))
{
break;
}
}
Debug.WriteLine("==running:false==");
Debug.WriteLine("END:" + MainStream.Position + "/" + MainStream.Length);
running = false;
}
catch (Exception ERR) {
Debug.WriteLine("==running:catch==");
running = false;
await Task.Delay(3000);
Debug.WriteLine(ERR);
Reload(time);
//throw;
}
});
}
return(m != null);
}
public void addCache(string abs_path, VideoCache vc)
{
if (vcs.ContainsKey(abs_path))
vcs[abs_path] = vc;
else
vcs.Add(abs_path, vc);
}
public RTPPlayer(string host, int port, VideoCache vc)
{
us = new UdpSender(host, port);
this.vc = vc;
}
void vc_FrameLoaded(VideoCache arg1, int arg2)
{
backgroundWorker1.ReportProgress(50, arg1);
}
bool Reload(double time)
{
Stream m = null;
try {
for (int i = 0; i < times.Count; i++)
{
if (times[i] >= time)
{
m = this.CreateStream();
//Debug.WriteLine("====Reload:"+i+"=====:" );
Debug.WriteLine(time + "==> TIMER：" + times[i] + " KFS:{0}({0:X})", kfs[i]);
m.Position = kfs[i] - 4;
VideoCache.Clear();
AudioCache.Clear();
break;
}
}
}
catch (Exception e) {
m = null;
Debug.WriteLine(e);
}
if (m == null)
{
return(false);
}
else
{
MainStream = m;
}
if (!running)
{
running = true;
Debug.WriteLine("==running:true==");
Task.Run(async() => {
try {
while (true)
{
if (VideoCache.Count > 1024 || AudioCache.Count > 1024)
{
await Task.Delay(500);
//Debug.WriteLine("@@@ WAIT:RUNNING:" + VideoCache.Count + "|" + AudioCache.Count + " @@@");
continue;
}
if (!this.readPreviousTag(MainStream))
{
break;
}
}
Debug.WriteLine("==running:false==");
running = false;
}
catch (Exception ERR) {
Debug.WriteLine("==running:false==");
running = false;
Debug.WriteLine(ERR);
Reload(time + 5);
//throw;
}
});
}
return(true);
}
