/// <summary>
/// Initializes previously preparsed next media to play.
/// </summary>
/// <param name="preparsedMedia">
/// A <see cref="PreparsedMedia"/> instance returned from <see cref="ParseMediaInput"/> method.
/// </param>
public override void SetNextMediaInput(PreparsedMedia preparsedMedia)
{
VerifyObjectIsNotDisposed();
//
if (preparsedMedia == null)
{
throw new ArgumentNullException("mediaInput");
}
//
nextMedia = preparsedMedia.MediaInput;
// precreating of libvlc media
if (currentMediaInternal != currentMediaInternalPreprepared)
{
if (nextMediaInternalPreprepared != null)
{
nextMediaInternalPreprepared.Dispose();
nextMediaInternalPreprepared = null;
}
}
VlcMediaInternal media = GetPreparsedMediaInternal(preparsedMedia);
media.SetOutput(playerOutput);
//
nextMediaInternalPreprepared = media;
disposeNextMediaPreprepared = true;
}
/// <summary>
/// Stops player and cleans up resources.
/// </summary>
protected override void Dispose(bool isDisposing)
{
try {
if (isDisposing)
{
// Suppress exceptions in Dispose()
try {
stop();
} catch (VlcTimeoutException exc) {
if (logger.IsErrorEnabled)
{
logger.Error("Timeout while stopping player in Dispose() method.", exc);
}
}
//
if (internalPlayer != null)
{
internalPlayer.Dispose();
}
if (currentMediaInternal != null && disposeCurrentMedia)
{
currentMediaInternal.Dispose();
currentMediaInternal = null;
}
//
if (stateChangeEventHandle != null)
{
stateChangeEventHandle.Close();
}
}
} finally {
base.Dispose(isDisposing);
}
}
/// <summary>
/// Parses media and returns information about it.
/// </summary>
/// <param name="mediaInput">
/// A <see cref="MediaInput"/> to locate media to be preparsed.
/// </param>
/// <returns>
/// A <see cref="PreparsedMedia"/> instance with information about media located using
/// <param cref="mediaInput"/>.
/// </returns>
public override PreparsedMedia ParseMediaInput(MediaInput mediaInput)
{
VlcMediaInternal media = internalObjectsFactory.CreateVlcMediaInternal(mediaInput);
media.Parse();
return(new VlcPreparsedMedia(mediaInput, media));
}
private void stop()
{
if (currentMediaInternal != null)
{
try {
if ((currentMediaInternal.State != VlcMediaState.Ended) &&
(currentMediaInternal.State != VlcMediaState.NothingSpecial))
{
//
internalPlayer.Stop();
waitForStateChangeOrFail(VlcMediaState.Stopped);
}
} finally {
if (disposeCurrentMedia)
{
currentMediaInternal.Dispose();
currentMediaInternal = null;
}
}
}
}
/// <summary>
/// Specifies next media input.
/// </summary>
public override void SetNextMediaInput(MediaInput mediaInput)
{
VerifyObjectIsNotDisposed();
//
if (mediaInput == null)
{
throw new ArgumentNullException("mediaInput");
}
//
nextMedia = mediaInput;
// precreating of libvlc media
if (currentMediaInternal != currentMediaInternalPreprepared)
{
if (nextMediaInternalPreprepared != null)
{
nextMediaInternalPreprepared.Dispose();
nextMediaInternalPreprepared = null;
}
}
nextMediaInternalPreprepared = internalObjectsFactory.CreateVlcMediaInternal(nextMedia);
nextMediaInternalPreprepared.SetOutput(playerOutput);
disposeNextMediaPreprepared = true;
}
public VlcPreparsedMedia(Io.MediaInput mediaInput, VlcMediaInternal media) : base(mediaInput)
{
if (media == null)
{
throw new ArgumentNullException("media");
}
this.media = media;
this.Duration = media.Duration;
//
List <AudioTrackInfo> audioTracks = new List <AudioTrackInfo>();
List <VideoTrackInfo> videoTracks = new List <VideoTrackInfo>();
libvlc_media_track_info_t[] tracks = media.GetTracksInfo();
foreach (libvlc_media_track_info_t track in tracks)
{
if (track.i_type == libvlc_track_t.libvlc_track_audio)
{
AudioTrackInfo audioTrack = new AudioTrackInfo();
audioTrack.BitRate = track.i_rate;
audioTrack.Channels = (int)Math.Min(track.i_channels, (uint)int.MaxValue);
audioTrack.Code = track.i_codec;
audioTrack.Description = LibVlcInterop.vlc_fourcc_GetDescription(0, track.i_codec);
audioTracks.Add(audioTrack);
}
else if (track.i_type == libvlc_track_t.libvlc_track_video)
{
VideoTrackInfo videoTrack = new VideoTrackInfo();
videoTrack.Code = track.i_codec;
videoTrack.Description = LibVlcInterop.vlc_fourcc_GetDescription(0, track.i_codec);
videoTrack.Height = (int)Math.Min((uint)int.MaxValue, (uint)track.i_height);
videoTrack.Width = (int)Math.Min((uint)int.MaxValue, (uint)track.i_width);
videoTracks.Add(videoTrack);
}
}
//
SetTracksInfo(videoTracks, audioTracks);
}
/// <summary>
/// Internal.
/// </summary>
protected override void PlayNextInternal()
{
if (nextMedia == null)
{
throw new MediaPlayerException("Next media is not selected.");
}
// Verify nexyMedia
if (nextMedia.Type == MediaInputType.File)
{
if (!File.Exists(nextMedia.Source))
{
throw new FileNotFoundException("File of media specified was not found.", nextMedia.Source);
}
}
//
VlcMediaPlayerInternal mediaplayer = internalPlayer;
// create nextMediaInternal and start playing
VlcMediaInternal nextMediaInternal = nextMediaInternalPreprepared;
nextMediaInternalPreprepared = null;
//
nextMediaInternal.SetOutput(playerOutput);
mediaplayer.SetMedia(nextMediaInternal);
if (playerOutput.IsWindowDefined)
{
if (playerOutput.Window != null && playerOutput.Window is DoubleWindowBase)
{
// support old code
internalPlayer.SetDisplayOutputHwnd(((DoubleWindowBase)playerOutput.Window).GetActiveWindowHandleInternal());
}
else if (playerOutput.NativeWindow != null && playerOutput.NativeWindow is VlcNativeMediaWindow)
{
// this will tell what to method we should call to initialize window
VlcNativeMediaWindow window = (VlcNativeMediaWindow)playerOutput.NativeWindow;
if (window.WindowType == VlcWindowType.HWND)
{
internalPlayer.SetDisplayOutputHwnd(window.NativeWindowHandle);
}
else if (window.WindowType == VlcWindowType.NSObject)
{
internalPlayer.SetDisplayOutputNSObject(window.NativeWindowHandle);
}
else if (window.WindowType == VlcWindowType.XWindow)
{
internalPlayer.SetDisplayOutputXWindow(window.NativeWindowHandle);
}
else if (window.WindowType == VlcWindowType.Agl)
{
internalPlayer.SetDisplayOutputAgl(window.NativeWindowHandle);
}
}
}
//
if (currentMediaInternal != null && disposeCurrentMedia)
{
currentMediaInternal.Dispose();
currentMediaInternal = null;
}
//
currentMediaInternal = nextMediaInternal;
disposeCurrentMedia = disposeNextMediaPreprepared;
//
startPlaying();
}
/// <summary>
/// Starts playing of media which was initialized using <see cref="SetMediaInput"/> method.
/// If some media is playing now it will be simply restarted.
/// </summary>
protected override void PlayInternal()
{
if (currentMedia == null)
{
throw new MediaPlayerException("Current media is null.");
}
if (playerOutput == null)
{
throw new MediaPlayerException("Player output is null.");
}
//
if (currentMediaInternal != null)
{
if (currentMediaInternal.State == VlcMediaState.Paused)
{
Resume();
return;
}
if (currentMediaInternal.State == VlcMediaState.Playing)
{
Position = 0f;
return;
}
Stop();
}
// Verify currentMedia
if (currentMedia.Type == MediaInputType.File)
{
if (!File.Exists(currentMedia.Source))
{
throw new FileNotFoundException("File of media specified was not found.", currentMedia.Source);
}
}
if (currentMediaInternalPreprepared == null)
{
currentMediaInternalPreprepared = internalObjectsFactory.CreateVlcMediaInternal(currentMedia);
currentMediaInternalPreprepared.SetOutput(playerOutput);
}
//
currentMediaInternal = currentMediaInternalPreprepared;
currentMediaInternalPreprepared = null;
disposeCurrentMedia = disposeCurrentMediaPreprepared;
//
internalPlayer.SetMedia(currentMediaInternal);
if (playerOutput.IsWindowDefined)
{
if (playerOutput.Window != null && playerOutput.Window is DoubleWindowBase)
{
// support old code
internalPlayer.SetDisplayOutputHwnd(((DoubleWindowBase)playerOutput.Window).GetActiveWindowHandleInternal());
}
else if (playerOutput.NativeWindow != null && playerOutput.NativeWindow is VlcNativeMediaWindow)
{
// this will tell what to method we should call to initialize window
VlcNativeMediaWindow window = (VlcNativeMediaWindow)playerOutput.NativeWindow;
if (window.WindowType == VlcWindowType.HWND)
{
internalPlayer.SetDisplayOutputHwnd(window.NativeWindowHandle);
}
else if (window.WindowType == VlcWindowType.NSObject)
{
internalPlayer.SetDisplayOutputNSObject(window.NativeWindowHandle);
}
else if (window.WindowType == VlcWindowType.XWindow)
{
internalPlayer.SetDisplayOutputXWindow(window.NativeWindowHandle);
}
else if (window.WindowType == VlcWindowType.Agl)
{
internalPlayer.SetDisplayOutputAgl(window.NativeWindowHandle);
}
}
}
//
startPlaying();
}
