private void bkWorker_DoWork(object sender, DoWorkEventArgs e)
{
if (mPlayer == IntPtr.Zero)
{
return;
}
try
{
Debug.WriteLine("Stop playing...");
PlayerMethods.CEPlayer_Close(mPlayer);
Debug.WriteLine("Stop played...");
}
catch (AccessViolationException ex)
{
Debug.WriteLine($"Stop ESC ex: {ex.Message}");
}
catch (Exception ex1)
{
Debug.WriteLine($"Stop ex: {ex1.Message}");
}
mPlayer = IntPtr.Zero;
this.Invoke(new Action(() =>
{
this.btnPlay.Text = "播放";
this.btnPlay.Enabled = true;
tmrTip.Stop();
mTipCount = 0;
this.lblView.Refresh();
}));
}
/// <summary>
/// 鼠标抬起后进行进度切换，并等待切换完成
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pgrPlay_MouseUp(object sender, MouseEventArgs e)
{
Debug.WriteLine("Mouse up");
if (mPlayer == IntPtr.Zero || mTotalTime < 1000)
{
return;
}
try
{
PlayerMethods.CEPlayer_Play(mPlayer);
PlayerMethods.CEPlayer_Seek(mPlayer, this.pgrPlay.Value);
mCurrentTime = PlayerMethods.GetLongParam(mPlayer, CE_PARAM_ID.PARAM_MEDIA_POSITION);
}
catch
{
}
this.BeginInvoke(new Action(() =>
{
for (int i = 0; i < 200; i++)
{
System.Threading.Thread.Sleep(5);
Int64 curMs = PlayerMethods.GetLongParam(mPlayer, CE_PARAM_ID.PARAM_MEDIA_POSITION);
if (Math.Abs(curMs - mCurrentTime) > 500)
{
break;
}
}
tmrPlay.Start();
}));
}
/// <summary>
/// 快放
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnFast_Click(object sender, EventArgs e)
{
if (mPlayer == IntPtr.Zero)
{
return;
}
if (mPlaySpeed <= 100)
{
mPlaySpeed = 120;
}
else
{
mPlaySpeed += 20;
}
if (mPlaySpeed > 180)
{
mPlaySpeed = 100;
}
PlayerMethods.SetParam(mPlayer, CE_PARAM_ID.PARAM_PLAY_SPEED_VALUE, mPlaySpeed);
if (mPlaySpeed == 100)
{
ShowTipString("正常播放");
}
else
{
ShowTipString($"X{(mPlaySpeed - 100) / 10}快速播放");
}
}
/// <summary>
/// 截图
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnScreenshot_Click(object sender, EventArgs e)
{
if (mPlayer == IntPtr.Zero)
{
MessageBox.Show("未播放，无法截图。。。");
}
else
{
string snapPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Snapshot");
if (!Directory.Exists(snapPath))
{
Directory.CreateDirectory(snapPath);
}
string fileName = Path.Combine(snapPath, DateTime.Now.ToString("yyyyMMddHHmmss") + ".jpg");
try
{
if (PlayerMethods.CEPlayer_Snapshot(mPlayer, fileName, 0, 0, 0) == 0)
{
// MessageBox.Show($"截图成功：[{fileName}]");
ShowTipString("截图成功");
}
else
{
MessageBox.Show("截图失败。。。");
}
}
catch (Exception ex)
{
MessageBox.Show($"截图失败：{ex.Message}");
}
}
}
/// <summary>
/// 显示OSD提示信息
/// </summary>
/// <param name="aMsg"></param>
private void ShowTipString(string aMsg)
{
if (mPlayer == IntPtr.Zero)
{
return;
}
tmrTip.Stop();
mTipString = string.Copy(aMsg);
try
{
// 再次进行判断，防止已经被关掉
if (mPlayer == IntPtr.Zero)
{
return;
}
PlayerMethods.CEPlayer_SetOSD(mPlayer, 20, 20, Color.FromArgb(0, 255, 0).ToArgb(), mTipString);
mTipCount = 0;
tmrTip.Start();
}
catch
{
}
}
/// <summary>
/// 连接状态变更
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lblView_ConnectStatusChanged(object sender, PlayerStatusEventArgs e)
{
switch (e.Status)
{
case PlayerMethods.MSG_OPEN_DONE:
if (mPlayer == IntPtr.Zero)
{
// 有时候结束也会触发该事件
break;
}
PlayerMethods.CEPlayer_SetOSDFont(mPlayer, "微软雅黑", 24);
ShowTipString($"成功打开链接{DateTime.Now.ToLongTimeString()}...");
Debug.WriteLine("Open done...");
mTotalTime = PlayerMethods.GetLongParam(mPlayer, CE_PARAM_ID.PARAM_MEDIA_DURATION);
Debug.WriteLine($"Total time is {mTotalTime}ms");
this.BeginInvoke(new Action(() =>
{
// 更新音量及拉伸样式
trackVolume_ValueChanged(null, null);
chkScaleMode_CheckedChanged(null, null);
this.btnRecord.Enabled = true;
this.btnScreenshot.Enabled = true;
this.btnFast.Enabled = this.btnSlow.Enabled = true;
// this.trackVolume.Enabled = true;
this.pgrPlay.Enabled = (mTotalTime > 999);
int totalSecond = (int)(mTotalTime / 1000);
mCurrentTime = 0;
this.pgrPlay.Value = 0;
this.pgrPlay.Maximum = (int)mTotalTime;
this.lblCurTime.Text = "00:00";
this.lblTotalTime.Text = string.Format("{0:D2}:{1:D2}", totalSecond / 60, totalSecond % 60);
this.tmrPlay.Start();
}));
break;
case PlayerMethods.MSG_OPEN_FAILED:
Debug.WriteLine("Open fail...");
break;
case PlayerMethods.MSG_PLAY_COMPLETED:
Debug.WriteLine("Play completed...");
if (mTotalTime > 1000)
{
StopPlay();
}
break;
case PlayerMethods.MSG_STREAM_CONNECTED:
Debug.WriteLine("Connected...");
break;
case PlayerMethods.MSG_STREAM_DISCONNECT:
Debug.WriteLine("Disconnected...");
this.BeginInvoke(new Action(() => this.lblView.Refresh()));
break;
default:
break;
}
}
/// <summary>
/// Trackbar控件鼠标按下时暂停播放以进行进度切换
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void pgrPlay_MouseDown(object sender, MouseEventArgs e)
{
Debug.WriteLine("Mouse down");
if (mPlayer == IntPtr.Zero || mTotalTime < 1000)
{
return;
}
PlayerMethods.CEPlayer_Pause(mPlayer);
tmrPlay.Stop();
this.pgrPlay.Value = this.pgrPlay.Maximum * e.Location.X / this.pgrPlay.Width;
}
/// <summary>
/// 进度条更新控制
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tmrPlay_Tick(object sender, EventArgs e)
{
if (mPlayer == IntPtr.Zero || mTotalTime < 1000)
{
return;
}
// 当前秒
mCurrentTime = PlayerMethods.GetLongParam(mPlayer, CE_PARAM_ID.PARAM_MEDIA_POSITION);
int curSecond = (int)(mCurrentTime / 1000);
this.lblCurTime.Text = string.Format("{0:D2}:{1:D2}", curSecond / 60, curSecond % 60);
this.pgrPlay.Value = (int)(mCurrentTime > this.pgrPlay.Maximum ? this.pgrPlay.Maximum : mCurrentTime);
}
/// <summary>
/// 切换播放区域大小
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void lblView_SizeChanged(object sender, EventArgs e)
{
if (mPlayer != IntPtr.Zero)
{
try
{
PlayerMethods.CEPlayer_Resize(mPlayer, 0, 0, 0, this.lblView.Width, this.lblView.Height);
}
catch
{
}
}
}
private bool StartPlay(string aUrl)
{
if (string.IsNullOrEmpty(aUrl))
{
return false;
}
StopPlay();
Url = aUrl;
this.btnPlay.Enabled = false;
mTotalTime = 0;
mCurrentTime = 0;
this.mPlaySpeed = 100;
try
{
Debug.WriteLine("Start play...");
// mPlayer = (IntPtr)Invoke(new Func<IntPtr>(() => PlayerMethods.CEPlayer_Open(Url, this.lblView.Handle, CE_VIDEO_RENDER_TYPE.VIDEO_RENDER_TYPE_GDI,
// CE_VIDEO_SCALE_MODE.VIDEO_MODE_STRETCHED, 100, 50)));
// this.trackVolume.Value = 7;
int volume = -255 + this.trackVolume.Value * 50;
mPlayer = PlayerMethods.CEPlayer_Open(this.Url, this.lblView.Handle, CE_VIDEO_RENDER_TYPE.VIDEO_RENDER_TYPE_GDI,
this.chkScaleMode.Checked ? CE_VIDEO_SCALE_MODE.VIDEO_MODE_STRETCHED : CE_VIDEO_SCALE_MODE.VIDEO_MODE_LETTERBOX,
100, volume);
// mPlayer = PlayerMethods.player_open(this.Url, this.lblView.Handle, IntPtr.Zero);
Debug.WriteLine("Start playing...");
}
catch (AccessViolationException ex)
{
Debug.WriteLine($"Stop ESC ex: {ex.Message}");
}
catch (Exception ex)
{
mPlayer = IntPtr.Zero;
MessageBox.Show($"播放流媒体失败：{ex.Message}");
this.btnPlay.Enabled = true;
return false;
}
if (mPlayer == IntPtr.Zero)
{
MessageBox.Show("播放流媒体失败...");
this.btnPlay.Enabled = true;
return false;
}
PlayerMethods.CEPlayer_Play(mPlayer);
this.btnPlay.Enabled = true;
return true;
}
/// <summary>
/// 修改音量
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void trackVolume_ValueChanged(object sender, EventArgs e)
{
if (mPlayer == IntPtr.Zero)
{
return;
}
try
{
int volume = -255 + this.trackVolume.Value * 50;
PlayerMethods.SetParam(mPlayer, CE_PARAM_ID.PARAM_AUDIO_VOLUME, volume);
}
catch
{
}
}
/// <summary>
/// 拉伸状态变换事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void chkScaleMode_CheckedChanged(object sender, EventArgs e)
{
if (mPlayer == IntPtr.Zero)
{
return;
}
try
{
PlayerMethods.SetParam(mPlayer, CE_PARAM_ID.PARAM_VIDEO_MODE, (int)(this.chkScaleMode.Checked ? CE_VIDEO_SCALE_MODE.VIDEO_MODE_STRETCHED : CE_VIDEO_SCALE_MODE.VIDEO_MODE_LETTERBOX));
}
catch
{
}
}
/// <summary>
/// 提示取消定时器
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tmrTip_Tick(object sender, EventArgs e)
{
if (mTipCount++ > 20)
{
if (mPlayer != IntPtr.Zero)
{
try
{
mTipString = string.Empty;
PlayerMethods.CEPlayer_SetOSD(mPlayer, 20, 20, 0, mTipString);
}
catch
{
}
}
mTipCount = 0;
tmrTip.Stop();
}
}
/// <summary>
/// 录像
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRecord_Click(object sender, EventArgs e)
{
if (this.btnRecord.Text == "停止")
{
StopRecord();
return;
}
if (mPlayer == IntPtr.Zero)
{
MessageBox.Show("未播放，无法录像。。。");
}
else
{
this.btnRecord.Enabled = false;
string recordPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Record");
if (!Directory.Exists(recordPath))
{
Directory.CreateDirectory(recordPath);
}
string fileName = Path.Combine(recordPath, DateTime.Now.ToString("yyyyMMddHHmmss") + ".mp4");
try
{
if (PlayerMethods.CEPlayer_Record(mPlayer, fileName) == 0)
{
mIsRecording = true;
this.btnRecord.Text = "停止";
ShowTipString("开始录像...");
}
else
{
MessageBox.Show("录像失败。。。");
}
}
catch (Exception ex)
{
MessageBox.Show($"录像出现异常：{ex.Message}");
}
this.btnRecord.Enabled = true;
}
}
/// <summary>
/// 提示取消定时器
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void tmrTip_Tick(object sender, EventArgs e)
{
if (mTipCount++ > 20)
{
if (mPlayer != IntPtr.Zero)
{
try
{
mTipString = string.Empty;
PlayerMethods.CEPlayer_SetOSD(mPlayer, 20, 20, 0, mTipString);
}
catch
{
}
}
mTipCount = 0;
tmrTip.Stop();
}
// long bitRate = PlayerMethods.GetLongParam(mPlayer, CE_PARAM_ID.PARAM_VIDEO_BITRATE);
// Debug.WriteLine($"bitRate is {bitRate}.");
}
/// <summary>
/// 停止播放
/// </summary>
private void StopRecord()
{
if (!mIsRecording)
{
return;
}
this.btnRecord.Enabled = false;
this.btnRecord.Text = "录像";
if (mPlayer != IntPtr.Zero)
{
try
{
PlayerMethods.CEPlayer_Stoprecord(mPlayer);
ShowTipString("停止录像");
}
catch
{
}
}
mIsRecording = false;
this.btnRecord.Enabled = true;
}
