/// <summary>
/// Initializes a new instance of the <see cref="VideoTextureResource"/> class.
/// </summary>
/// <param name="videoReader">The video reader.</param>
public VideoTextureResource(AsyncRealtimeVideoReader videoReader)
{
videoReader.EnsureNotNull(nameof(videoReader));
m_videoReader = videoReader;
m_currentWidth = m_videoReader.FrameSize.Width;
m_currentHeight = m_videoReader.FrameSize.Height;
m_lastFrameTimestamp = DateTime.MinValue;
}
/// <summary>
/// Initializes a new instance of the <see cref="VideoTextureResource"/> class.
/// </summary>
/// <param name="videoSource">The video source.</param>
public VideoTextureResource(ResourceLink videoSource)
{
videoSource.EnsureNotNull(nameof(videoSource));
m_videoReader = new AsyncRealtimeVideoReader(videoSource, immediateStart: true);
m_videoReader.VideoReachedEnd += (sender, eArgs) =>
{
m_videoReader.SetCurrentPosition(TimeSpan.Zero);
};
m_currentWidth = m_videoReader.FrameSize.Width;
m_currentHeight = m_videoReader.FrameSize.Height;
m_lastFrameTimestamp = DateTime.MinValue;
}
/// <summary>
/// Called when the sample has to startup.
/// </summary>
/// <param name="targetRenderLoop">The target render loop.</param>
public override async Task OnStartupAsync(RenderLoop targetRenderLoop)
{
targetRenderLoop.EnsureNotNull(nameof(targetRenderLoop));
// Get and configure the camera
Camera3DBase camera = targetRenderLoop.Camera as PerspectiveCamera3D;
camera.Position = new Vector3(0f, 5f, -7f);
camera.Target = new Vector3(0f, 0f, 0f);
camera.UpdateCamera();
// Open the video file
// see original vide at: https://www.flickr.com/photos/mlinksva/20939860191/in/photolist-xUofUg-xzKr45-xzKn65-xzhfV1-xPfMqh-wTxmUk-wSd5bL-xwAUF3-wSbSW3-xNqVYR-xNqUyB-xKte5J-xKtbMh-wQKVu5-wQVbiV-wQLHns-xKsHiQ-xvapef-xKsF1y-xMMyY2-xvbbXC-xvb5Xy-xNqkBK-xvb25o-xvafSW-xvb4FW-xKsavw-xMM69V-wQUtWn-xvgDSv-xLW62q-xvbig9-wQL8p7-xMMFog-wQV8CK-wQLGcS-wQLLZY-wQKN9U-xvhorD-xNq5we-xvbh7f-wQU3KF-xLWiZE-xvgVqe-wQKKEq-xvaJN3-xNqjhF-wQUEhH-xKspPw-wQRXGt
// Licensed under public domain
ResourceLink videoLink = new AssemblyResourceLink(
typeof(SeeingSharpSampleResources),
"Videos.DummyVideoLandscape.mp4");
m_videoReader = new AsyncRealtimeVideoReader(videoLink);
m_videoReader.VideoReachedEnd += (sender, eArgs) =>
{
m_videoReader.SetCurrentPosition(TimeSpan.Zero);
};
// Define scene
await targetRenderLoop.Scene.ManipulateSceneAsync((manipulator) =>
{
// Create floor
SampleSceneBuilder.BuildStandardFloor(
manipulator, Scene.DEFAULT_LAYER_NAME);
// Define texture and resource
var resVideoTexture = manipulator.AddResource <VideoTextureResource>(
() => new VideoTextureResource(m_videoReader));
var resVideoMaterial = manipulator.AddSimpleColoredMaterial(resVideoTexture, addToAlpha: 1f);
var geoResource = manipulator.AddResource <GeometryResource>(
() => new GeometryResource(new PalletType(
palletMaterial: NamedOrGenericKey.Empty,
contentMaterial: resVideoMaterial)));
// Add the object
GenericObject newObject = manipulator.AddGeneric(geoResource);
newObject.RotationEuler = new Vector3(0f, EngineMath.RAD_90DEG / 2f, 0f);
newObject.Scaling = new Vector3(2f, 2f, 2f);
newObject.EnableShaderGeneratedBorder();
});
}
/// <summary>
/// Called when the sample has to startup.
/// </summary>
/// <param name="targetRenderLoop">The target render loop.</param>
public override async Task OnStartupAsync(RenderLoop targetRenderLoop)
{
targetRenderLoop.EnsureNotNull(nameof(targetRenderLoop));
// Start the device chooser
m_deviceChooser = new CaptureDeviceChooser();
// Show fallback-scene if we don't have a capture device
if (m_deviceChooser.DeviceCount <= 0)
{
await OnStartupAsync_Fallback(targetRenderLoop);
return;
}
// Get and configure the camera
Camera3DBase camera = targetRenderLoop.Camera as PerspectiveCamera3D;
camera.Position = new Vector3(0f, 5f, -7f);
camera.Target = new Vector3(0f, 0f, 0f);
camera.UpdateCamera();
// Open the video file
m_videoReader = new AsyncRealtimeVideoReader(m_deviceChooser.DeviceInfos.First());
m_videoReader.VideoReachedEnd += (sender, eArgs) =>
{
m_videoReader.SetCurrentPosition(TimeSpan.Zero);
};
// Define scene
await targetRenderLoop.Scene.ManipulateSceneAsync((manipulator) =>
{
// Create floor
SampleSceneBuilder.BuildStandardFloor(
manipulator, Scene.DEFAULT_LAYER_NAME);
// Define texture and resource
var resVideoTexture = manipulator.AddResource <VideoTextureResource>(
() => new VideoTextureResource(m_videoReader));
var resVideoMaterial = manipulator.AddSimpleColoredMaterial(resVideoTexture, addToAlpha: 1f);
var geoResource = manipulator.AddResource <GeometryResource>(
() => new GeometryResource(new PalletType(
palletMaterial: NamedOrGenericKey.Empty,
contentMaterial: resVideoMaterial)));
// Add the object
GenericObject newObject = manipulator.AddGeneric(geoResource);
newObject.RotationEuler = new Vector3(0f, EngineMath.RAD_90DEG / 2f, 0f);
newObject.Scaling = new Vector3(2f, 2f, 2f);
newObject.EnableShaderGeneratedBorder();
// Start pallet rotating animation
newObject.BuildAnimationSequence()
.RotateEulerAnglesTo(new Vector3(0f, EngineMath.RAD_180DEG, 0f), TimeSpan.FromSeconds(2.0))
.WaitFinished()
.RotateEulerAnglesTo(new Vector3(0f, EngineMath.RAD_360DEG, 0f), TimeSpan.FromSeconds(2.0))
.WaitFinished()
.RotateEulerAnglesTo(new Vector3(0f, 0f, 0f), TimeSpan.FromSeconds(2.0))
.WaitFinished()
.CallAction(() => newObject.RotationEuler = Vector3.Zero)
.ApplyAndRewind();
});
}
