private void DisposePlayer()
{
if (_mFactory == null)
{
return;
}
try
{
_mPlayer.Dispose();
}
catch { }
try
{
_mFactory.Dispose();
}
catch { }
try
{
_mMedia.Dispose();
}
catch { }
_mPlayer = null;
_mFactory = null;
_mMedia = null;
}
public virtual void Open(IMediaPlayerFactory factory, string s)
{
if (m_currentMedia != null)
{
m_currentMedia.Dispose();
}
m_currentMedia = factory.CreateMedia <IMedia>(s);
LibVlcMethods.libvlc_media_player_set_media(m_hMediaPlayer, ((INativePointer)m_currentMedia).Pointer);
//LibVlcMethods.libvlc_media_release(((INativePointer)m_currentMedia).Pointer);
}
public bool Start(string videoSrcUrl)
{
if (_bIsInitial)
{
return(true);
}
_bIsInitial = true;
try
{
if (_vlcmedia != null)
{
_vlcmedia.Events.StateChanged -= Events_StateChanged;
_vlcmedia.Events.DurationChanged -= Events_DurationChanged;
_vlcmedia.Dispose();
}
_vlcmedia = Vlcfactory.CreateMedia <IMedia>(videoSrcUrl);
_vlcmedia.Events.StateChanged += Events_StateChanged;
_vlcmedia.Events.DurationChanged += Events_DurationChanged;
// 自定义显示
_memRender = _vlcplayer.CustomRenderer;
_memRender.SetFormat(new BitmapFormat(704, 576, ChromaType.RV24));
_memRender.SetCallback(delegate(Bitmap frame)
{
if ((frame != null) && (ReceiveFrameEvent != null))
{
if (_videoPlayState)
{
long currentDateTime = _currentTime;
Image imgd = (Bitmap)frame.Clone();
FaceDetectInfo facedet = new FaceDetectInfo(imgd, currentDateTime);
//ReceiveFrameEvent(facedet);
Task.Factory.StartNew(() => ReceiveFrameEvent(facedet));
}
frame.Dispose();
frame = null;
}
});
_vlcplayer.Open(_vlcmedia);
_vlcplayer.Play();
_videoPlayState = true;
return(true);
}
catch (Exception ex)
{
Log4NetHelper.Instance.Error("启动视频播放Capture方法出现错误:" + ex.Message);
return(false);
}
}
private void AcqForm_FormClosed(object sender, FormClosedEventArgs e)
{
// TODO: fixed media-related operations cause null reference
try
{
_player.Stop();
_player.Dispose();
}
catch { }
try
{
_media.Dispose();
}
catch { }
}
/// <summary>
/// Closes the media player and releases all resources.
/// </summary>
public void CloseMedia()
{
if (_player != null)
{
// Close the media player.
_disk.Stop();
_disk.Dispose();
_player.Dispose();
_media.Dispose();
}
_player = null;
_disk = null;
_media = null;
}
void DisposePlayer()
{
if (_sampleChannel != null)
{
_sampleChannel.PreVolumeMeter -= SampleChannelPreVolumeMeter;
_sampleChannel = null;
}
_mMedia.Events.DurationChanged -= EventsDurationChanged;
_mMedia.Events.StateChanged -= EventsStateChanged;
_mPlayer.Stop();
_mMedia.Dispose();
_mMedia = null;
if (_waveProvider != null && _waveProvider.BufferedBytes > 0)
{
try
{
_waveProvider.ClearBuffer();
}
catch (Exception ex)
{
string m = ex.Message;
}
}
_waveProvider = null;
Listening = false;
}
private void RecordingForm_FormClosed(object sender, FormClosedEventArgs e)
{
if (_ffmpeg != null)
{
_ffmpeg.StandardInput.WriteLine("q");
_ffmpeg.WaitForExit(5000);
if (!_ffmpeg.HasExited)
{
try
{
_ffmpeg.Kill();
}
catch
{ }
}
_ffmpeg.Dispose();
_ffmpeg = null;
if (_player.IsPlaying)
{
MessageBox.Show("文件已成功保存为:" + myController.CommonDataPool.VideoPath + '\\' + _start.ToString("yyyyMMddHHmmss"));
}
}
_player.Stop();
_player.Dispose();
_media.Dispose();
}
private void Player_FormClosing(object sender, FormClosingEventArgs e)
{
try { m_player.Stop(); } catch
{
}
m_factory.Dispose();
m_media.Dispose();
m_player.Dispose();
}
private void Player_FormClosing(object sender, FormClosingEventArgs e)
{
try { _mPlayer.Stop(); } catch
{
}
_mFactory.Dispose();
_mMedia.Dispose();
_mPlayer.Dispose();
}
private void DisposeMedia()
{
if (m_media != null)
{
m_media.Events.DurationChanged -= Events_DurationChanged;
m_media.Events.StateChanged -= Events_StateChanged;
m_media.Events.ParsedChanged -= Events_ParsedChanged;
m_media.Dispose();
}
}
public void Stop()
{
if (mMedia == null)
{
return;
}
IsPlaying = false;
mPlayer.Stop();
mMedia.Dispose();
}
/// <summary>
/// Disposes of object resources.
/// </summary>
/// <param name="disposeManagedResources">If true, managed resources should be
/// disposed of in addition to unmanaged resources.</param>
protected virtual void Dispose(bool disposeManagedResources)
{
if (disposeManagedResources)
{
m_factory.Dispose();
m_player.Dispose();
m_equalizer.Dispose();
m_media.Dispose();
m_media_preview.Dispose();
m_memRender.Dispose();
m_media_list.Dispose();
m_list_player.Dispose();
m_media_list_preview.Dispose();
m_list_preview_player.Dispose();
}
}
public void GetDuration(string filePath)
{
IMedia media = m_factory.CreateMedia <IMediaFromFile>(filePath);
IVideoPlayer player = m_factory.CreatePlayer <IVideoPlayer>();
m_memRender = player.CustomRenderer;
m_memRender.SetFormat(new BitmapFormat(1, 1, ChromaType.RV24));
media.Events.DurationChanged += new EventHandler <MediaDurationChange>(Events_GetTimeDuration);
media.Parse(true);
player.Play();
player.Stop();
Thread.Sleep(100);
player.Dispose();
m_memRender.Dispose();
media.Dispose();
}
private void StopPlayer()
{
if (_player != null)
{
_player.Stop();
_player.Dispose();
_player = null;
}
if (_media != null)
{
_media.Dispose();
_media = null;
}
if (_factory != null)
{
_factory.Dispose();
_factory = null;
}
}
private void DisposeMedia()
{
if (_media == null)
{
return;
}
if (_player.IsPlaying)
{
_player.Stop();
}
HookMediaEvents(false);
_media.Dispose();
_media = null;
// ReSharper disable once ExplicitCallerInfoArgument
OnPropertyChanged(nameof(HasAudio));
Duration = 0.0;
Position = 0.0;
}
private void RecordingForm_FormClosed(object sender, FormClosedEventArgs e)
{
if (_ffmpeg != null)
{
_ffmpeg.StandardInput.WriteLine("q");
_ffmpeg.WaitForExit(5000);
if (!_ffmpeg.HasExited)
{
try
{
_ffmpeg.Kill();
}
catch
{ }
}
_ffmpeg.Dispose();
_ffmpeg = null;
}
_player.Stop();
_player.Dispose();
_media.Dispose();
}
private void DisposePlayer()
{
try
{
if (_sampleChannel != null)
{
_sampleChannel.PreVolumeMeter -= SampleChannelPreVolumeMeter;
_sampleChannel = null;
}
_mMedia.Events.DurationChanged -= EventsDurationChanged;
_mMedia.Events.StateChanged -= EventsStateChanged;
_mPlayer.Stop();
_mMedia.Dispose();
_mMedia = null;
if (_waveProvider?.BufferedBytes > 0)
{
try
{
_waveProvider?.ClearBuffer();
}
catch
{
// ignored
}
}
}
catch (Exception ex)
{
Logger.LogExceptionToFile(ex, "VLC");
}
_waveProvider = null;
Listening = false;
}
private void Player_FormClosing(object sender, FormClosingEventArgs e)
{
lock (_lock)
{
if (_mPlayer != null)
{
try
{
_mPlayer.Stop();
}
catch
{
}
}
try
{
if (_mFactory != null)
{
_mFactory.Dispose();
}
if (_mMedia != null)
{
_mMedia.Dispose();
}
if (_mPlayer != null)
{
_mPlayer.Dispose();
}
}
catch
{
}
}
if (vNav != null)
{
vNav.ReleaseGraph();
}
}
