+++ /dev/null
-/**
- * @file media.cs
- * @brief Media descriptor class
- * @ingroup API
- */
-
-/**********************************************************************
- * Copyright (C) 2007-2009 Rémi Denis-Courmont. *
- * This program is free software; you can redistribute and/or modify *
- * it under the terms of the GNU General Public License as published *
- * by the Free Software Foundation; version 2 of the license, or (at *
- * your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
- * See the GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, you can get it from: *
- * http://www.gnu.org/copyleft/gpl.html *
- **********************************************************************/
-
-using System;
-//using System.Collections.Generic;
-using System.Runtime.InteropServices;
-
-namespace VideoLAN.LibVLC
-{
- /**
- * @brief MediaHandle: unmanaged LibVLC media pointer
- * @ingroup Internals
- */
- internal sealed class MediaHandle : NonNullHandle
- {
- /**
- * NonNullHandle.Destroy
- */
- protected override void Destroy ()
- {
- LibVLC.MediaRelease (handle);
- }
- };
-
- /**
- * @brief MetaType: type of a media meta-information entry
- */
- public enum MetaType
- {
- Title,
- Artist,
- Genre,
- Copyright,
- Album,
- TrackNumber,
- Description,
- Rating,
- Date,
- Setting,
- URL,
- Language,
- NowPlaying,
- Publisher,
- EncodedBy,
- ArtworkURL,
- TrackID,
- };
-
- /**
- * @brief State: media/player state
- *
- * Media and Player objects are always in one of these state.
- * @see Media::State and @see Player::State.
- */
- public enum State
- {
- NothingSpecial, /**< Nothing going on */
- Opening, /**< Being opened */
- Buffering, /**< Buffering before play */
- Playing, /**< Playing */
- Paused, /**< Paused */
- Stopped, /**< Stopped */
- Ended, /**< Played until the end */
- Error, /**< Failed */
- };
-
- /* Media events */
- [StructLayout (LayoutKind.Sequential)]
- internal sealed class MediaMetaEvent : GenericEvent
- {
- public MetaType metaType;
- };
- internal delegate void MediaMetaCallback (MediaMetaEvent e, IntPtr d);
-
- /*[StructLayout (LayoutKind.Sequential)]
- internal sealed class MediaSubitemEvent : GenericEvent
- {
- public IntPtr child; -- MediaHandle
- };*/
-
- [StructLayout (LayoutKind.Sequential)]
- internal sealed class MediaDurationEvent : GenericEvent
- {
- public long duration;
- };
- internal delegate void MediaDurationCallback (MediaDurationEvent e,
- IntPtr d);
-
- [StructLayout (LayoutKind.Sequential)]
- internal sealed class MediaPreparseEvent : GenericEvent
- {
- public int status;
- };
- internal delegate void MediaPreparseCallback (MediaPreparseEvent e,
- IntPtr d);
-
- /* media_freed -> bad idea w.r.t. the GC */
-
- [StructLayout (LayoutKind.Sequential)]
- internal sealed class MediaStateEvent : GenericEvent
- {
- public State state;
- };
- internal delegate void MediaStateCallback (MediaStateEvent e, IntPtr d);
-
- /**
- * @brief Media: a source media
- * @ingroup API
- * Each media object represents an input media, such as a file or an URL.
- */
- public class Media : EventingObject, ICloneable
- {
- internal MediaHandle Handle
- {
- get
- {
- return handle as MediaHandle;
- }
- }
-
- /**
- * Creates a Media object.
- *
- * @param instance VLC instance
- * @param mrl Media Resource Locator (file path or URL)
- */
- public Media (VLC instance, string mrl)
- {
- U8String umrl = new U8String (mrl);
-
- handle = LibVLC.MediaCreate (instance.Handle, umrl, ex);
- Raise ();
- Attach ();
- }
-
- private Media (MediaHandle handle)
- {
- this.handle = handle;
- Attach ();
- }
-
- /**
- * Duplicates a media object.
- */
- public object Clone ()
- {
- return new Media (LibVLC.MediaDuplicate (Handle));
- }
-
- private void Attach ()
- {
- Attach (EventType.MediaMetaChanged,
- new MediaMetaCallback (MetaCallback));
- //Attach (EventType.MediaSubItemAdded, SubItemAdded);
- Attach (EventType.MediaDurationChanged,
- new MediaDurationCallback (DurationCallback));
- /*Attach (EventType.MediaPreparsedChanged,
- new MediaPreparseCallback (PreparseCallback));*/
- /* MediaFreed: better not... */
- Attach (EventType.MediaStateChanged,
- new MediaStateCallback (StateCallback));
- }
-
- /**
- * Add VLC input item options to the media.
- * @code
- * Media m = new Media(vlc, "http://www.example.com/music.ogg");
- * m.AddOptions(":http-user-agent=LibVLC.Net "
- * + ":http-proxy=proxy:8080", true);
- * @endcode
- * @param options VLC options in VLC input item format
- * (see example below)
- * @param trusted whether the options are set by a trusted agent
- * (e.g. the local computer configuration) or not
- * (e.g. a downloaded file).
- * @version VLC 0.9.9 if trusted is false
- */
- public void AddOptions (string options, bool trusted)
- {
- U8String uopts = new U8String (options);
-
- if (trusted)
- LibVLC.MediaAddOption (Handle, uopts, ex);
- else
- LibVLC.MediaAddUntrustedOption (Handle, uopts, ex);
- Raise ();
- }
-
- /**
- * The media location (file path, URL, ...).
- * @version VLC 1.0
- */
- public string Location
- {
- get
- {
- StringHandle str = LibVLC.MediaGetMRL (Handle, ex);
- Raise ();
- return str.Transform ();
- }
- }
-
- public override string ToString ()
- {
- return Location;
- }
-
- /**
- * @param type meta data type
- * @return the meta data value, or @a null if unknown
- */
- public string GetMeta (MetaType type)
- {
- StringHandle str = LibVLC.MediaGetMeta (Handle, type, ex);
- Raise ();
- return str.Transform ();
- }
-
- public delegate void MetaChange (Media media, MetaType type);
- public event MetaChange MetaChanged;
- private void MetaCallback (MediaMetaEvent ev, IntPtr data)
- {
- if (MetaChanged != null)
- MetaChanged (this, ev.metaType);
- }
-
- /**
- * Current state of the media.
- */
- public State State
- {
- get
- {
- State ret = LibVLC.MediaGetState (Handle, ex);
- Raise ();
- return ret;
- }
- }
-
- public delegate void StateChange (Media media, State state);
- public event StateChange StateChanged;
- private void StateCallback (MediaStateEvent ev, IntPtr data)
- {
- if (StateChanged != null)
- StateChanged (this, ev.state);
- }
-
- internal override EventManagerHandle GetManager ()
- {
- return LibVLC.MediaEventManager (Handle, null);
- }
-
- /**
- * Duration of the media in microseconds. The precision of the result
- * depends on the input stram protocol and file format. The value
- * might be incorrect and unknown (VLC usually returns 0 or -1 then).
- */
- public long Duration
- {
- get
- {
- long duration = LibVLC.MediaGetDuration (Handle, ex);
- Raise ();
- return duration;
- }
- }
-
- public delegate void DurationChange (Media media, long duration);
- public event DurationChange DurationChanged;
- private void DurationCallback (MediaDurationEvent ev, IntPtr data)
- {
- if (DurationChanged != null)
- DurationChanged (this, ev.duration);
- }
-
- /**
- * Whether the media was "preparsed". If true, the meta-infos were
- * extracted, even before the media was played. This is normally only
- * available if the input files is stored on a local filesystem.
- */
- public bool IsPreparsed
- {
- get
- {
- int preparsed = LibVLC.MediaIsPreparsed (Handle, ex);
- Raise ();
- return preparsed != 0;
- }
- }
-
- public delegate void PreparseChange (Media media, bool preparsed);
- public event PreparseChange PreparseChanged;
- private void PreparseCallback (MediaPreparseEvent ev, IntPtr data)
- {
- if (PreparseChanged != null)
- PreparseChanged (this, ev.status != 0);
- }
- };
-};
projects / vlc / blobdiff