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#region License
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/* FNA - XNA4 Reimplementation for Desktop Platforms
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* Copyright 2009-2020 Ethan Lee and the MonoGame Team
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*
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* Released under the Microsoft Public License.
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* See LICENSE for details.
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*/
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#endregion
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#region Using Statements
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using System;
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using Microsoft.Xna.Framework.Graphics;
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#endregion
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namespace Microsoft.Xna.Framework.Media
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{
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public sealed class Video
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{
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#region Public Properties
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public int Width
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{
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get
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{
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return yWidth;
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}
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}
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public int Height
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{
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get
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{
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return yHeight;
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}
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}
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public float FramesPerSecond
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{
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get
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{
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return (float) fps;
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}
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}
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public VideoSoundtrackType VideoSoundtrackType
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{
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get;
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private set;
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}
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// FIXME: This is hacked, look up "This is a part of the Duration hack!"
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public TimeSpan Duration
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{
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get;
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internal set;
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}
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#endregion
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#region Internal Properties
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internal GraphicsDevice GraphicsDevice
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{
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get;
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private set;
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}
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#endregion
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#region Internal Variables: Theorafile
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internal IntPtr theora;
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internal int yWidth;
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internal int yHeight;
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internal int uvWidth;
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internal int uvHeight;
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internal double fps;
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internal bool needsDurationHack;
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#endregion
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#region Internal Constructors
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internal Video(string fileName, GraphicsDevice device)
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{
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GraphicsDevice = device;
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Theorafile.th_pixel_fmt fmt;
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Theorafile.tf_fopen(fileName, out theora);
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Theorafile.tf_videoinfo(
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theora,
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out yWidth,
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out yHeight,
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out fps,
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out fmt
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);
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if (fmt == Theorafile.th_pixel_fmt.TH_PF_420)
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{
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uvWidth = yWidth / 2;
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uvHeight = yHeight / 2;
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}
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else if (fmt == Theorafile.th_pixel_fmt.TH_PF_422)
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{
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uvWidth = yWidth / 2;
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uvHeight = yHeight;
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}
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else if (fmt == Theorafile.th_pixel_fmt.TH_PF_444)
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{
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uvWidth = yWidth;
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uvHeight = yHeight;
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}
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else
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{
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throw new NotSupportedException(
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"Unrecognized YUV format!"
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);
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}
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// FIXME: This is a part of the Duration hack!
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Duration = TimeSpan.MaxValue;
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needsDurationHack = true;
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}
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internal Video(
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string fileName,
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GraphicsDevice device,
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int durationMS,
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int width,
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int height,
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float framesPerSecond,
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VideoSoundtrackType soundtrackType
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) : this(fileName, device) {
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/* If you got here, you've still got the XNB file! Well done!
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* Except if you're running FNA, you're not using the WMV anymore.
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* But surely it's the same video, right...?
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* Well, consider this a check more than anything. If this bothers
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* you, just remove the XNB file and we'll read the OGV straight up.
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* -flibit
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*/
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if (width != Width || height != Height)
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{
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throw new InvalidOperationException(
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"XNB/OGV width/height mismatch!" +
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" Width: " + Width.ToString() +
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" Height: " + Height.ToString()
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);
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}
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if (Math.Abs(FramesPerSecond - framesPerSecond) >= 1.0f)
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{
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throw new InvalidOperationException(
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"XNB/OGV framesPerSecond mismatch!" +
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" FPS: " + FramesPerSecond.ToString()
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);
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}
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// FIXME: Oh, hey! I wish we had this info in Theora!
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Duration = TimeSpan.FromMilliseconds(durationMS);
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needsDurationHack = false;
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VideoSoundtrackType = soundtrackType;
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}
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#endregion
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#region Destructor
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~Video()
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{
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if (theora != IntPtr.Zero)
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{
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Theorafile.tf_close(ref theora);
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}
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}
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#endregion
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}
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}
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