public void AddAudioAndVideo()
{
// test all the overloads for AddVideoWithAudio
using (ITimeline timeline = new DefaultTimeline())
{
timeline.AddVideoGroup(24, 320, 240).AddTrack();
timeline.AddAudioGroup().AddTrack();
IAudioVideoClipPair clip1 = timeline.AddVideoWithAudio("1sec.wmv");
Assert.AreEqual(0, clip1.AudioClip.Offset);
Assert.AreEqual(1, clip1.AudioClip.Duration);
Assert.AreEqual(0, clip1.VideoClip.Offset);
Assert.AreEqual(1, clip1.VideoClip.Duration);
IAudioVideoClipPair clip2 = timeline.AddVideoWithAudio("1sec.wmv", 1);
Assert.AreEqual(2, clip2.AudioClip.Offset);
Assert.AreEqual(1, clip2.AudioClip.Duration);
Assert.AreEqual(2, clip2.VideoClip.Offset);
Assert.AreEqual(1, clip2.VideoClip.Duration);
IAudioVideoClipPair clip3 = timeline.AddVideoWithAudio("1sec.wmv", 0, 0.5);
Assert.AreEqual(3, clip3.AudioClip.Offset);
Assert.AreEqual(0.5, clip3.AudioClip.Duration);
Assert.AreEqual(3, clip3.VideoClip.Offset);
Assert.AreEqual(0.5, clip3.VideoClip.Duration);
IAudioVideoClipPair clip4 = timeline.AddVideoWithAudio("1sec.wmv", 0, 0.5, 1.0);
Assert.AreEqual(3.5, clip4.AudioClip.Offset);
Assert.AreEqual(0.5, clip4.AudioClip.Duration);
Assert.AreEqual(0.5, clip4.AudioClip.MediaStart);
Assert.AreEqual(3.5, clip4.VideoClip.Offset);
Assert.AreEqual(0.5, clip4.VideoClip.Duration);
Assert.AreEqual(0.5, clip4.VideoClip.MediaStart);
IAudioVideoClipPair clip5 = timeline.AddVideoWithAudio("1sec.wmv", InsertPosition.Absolute, 6, 0, -1);
Assert.AreEqual(6, clip5.AudioClip.Offset);
Assert.AreEqual(1, clip5.AudioClip.Duration);
Assert.AreEqual(6, clip5.VideoClip.Offset);
Assert.AreEqual(1, clip5.VideoClip.Duration);
IAudioVideoClipPair clip6 =
timeline.AddVideoWithAudio("myclip", "1sec.wmv", InsertPosition.Absolute, 8, 0, 0.5);
Assert.AreEqual(8, clip6.AudioClip.Offset);
Assert.AreEqual(0, clip6.AudioClip.MediaStart);
Assert.AreEqual(0.5, clip6.AudioClip.Duration);
Assert.AreEqual("myclip", clip6.AudioClip.Name);
Assert.AreEqual(8, clip6.VideoClip.Offset);
Assert.AreEqual(0, clip6.VideoClip.MediaStart);
Assert.AreEqual(0.5, clip6.VideoClip.Duration);
Assert.AreEqual("myclip", clip6.VideoClip.Name);
}
}
public void ShadowCopyAudio()
{
using (ITimeline timeline = new DefaultTimeline())
{
timeline.AddAudioGroup().AddTrack();
timeline.AddVideoGroup(24, 320, 200).AddTrack();
IAudioVideoClipPair pair = timeline.AddVideoWithAudio("..\\..\\1sec.wmv", true);
Assert.AreEqual("..\\..\\1sec.wmv", pair.VideoClip.File.FileName);
Assert.AreNotEqual("..\\..\\1sec.wmv", pair.AudioClip.File.FileName);
Assert.IsTrue(pair.AudioClip.File.FileName.EndsWith(".wmv"));
}
}
public void WatermarkVideoClip()
{
// this demonstrates one way of watermarking a video clip...
string outputFile = "WatermarkVideoClip.wmv";
using (ITimeline timeline = new DefaultTimeline(15))
{
// greate our default audio track
timeline.AddAudioGroup().AddTrack();
// add a video group, 32bpp, 320x240 (32bpp required to allow for an alpha channel)
IGroup videoGroup = timeline.AddVideoGroup(32, 320, 240);
// add our default video track
ITrack videoTrack = videoGroup.AddTrack();
// add another video track, this will be used to contain our watermark image
ITrack watermarkTrack = videoGroup.AddTrack();
// add the video in "transitions.wmv" to the first video track, and the audio in "transitions.wmv"
// to the first audio track.
timeline.AddVideoWithAudio("transitions.wmv");
// add the watermark image in, and apply it for the duration of the videoContent
// this image will be stretched to fit the video clip, and in this case is a transparent gif.
IClip watermarkClip = watermarkTrack.AddImage("testlogo.gif", 0, videoTrack.Duration);
// add a alpha setter effect to the image, this will adjust the alpha of the image to be 0.5
// of it's previous value - so the watermark is 50% transparent.
watermarkClip.AddEffect(0, watermarkClip.Duration, StandardEffects.CreateAlphaSetterRamp(0.8));
// add a transition to the watermark track, this allows the video clip to "shine through" the watermark,
// base on the values present in the alpha channel of the watermark track.
watermarkTrack.AddTransition(0, videoTrack.Duration,
StandardTransitions.CreateKey(KeyTransitionType.Alpha, null, null, null,
null,
null),
false);
using (
// render it to windows media
var renderer =
new WindowsMediaRenderer(timeline, outputFile, WindowsMediaProfiles.HighQualityVideo))
{
renderer.Render();
}
}
}
public void AddAudioAndVideo()
{
// test all the overloads for AddVideoWithAudio
using (ITimeline timeline = new DefaultTimeline())
{
timeline.AddVideoGroup(24, 320, 240).AddTrack();
timeline.AddAudioGroup().AddTrack();
IAudioVideoClipPair clip1 = timeline.AddVideoWithAudio("1sec.wmv");
Assert.AreEqual(0, clip1.AudioClip.Offset);
Assert.AreEqual(1, clip1.AudioClip.Duration);
Assert.AreEqual(0, clip1.VideoClip.Offset);
Assert.AreEqual(1, clip1.VideoClip.Duration);
IAudioVideoClipPair clip2 = timeline.AddVideoWithAudio("1sec.wmv", 1);
Assert.AreEqual(2, clip2.AudioClip.Offset);
Assert.AreEqual(1, clip2.AudioClip.Duration);
Assert.AreEqual(2, clip2.VideoClip.Offset);
Assert.AreEqual(1, clip2.VideoClip.Duration);
IAudioVideoClipPair clip3 = timeline.AddVideoWithAudio("1sec.wmv", 0, 0.5);
Assert.AreEqual(3, clip3.AudioClip.Offset);
Assert.AreEqual(0.5, clip3.AudioClip.Duration);
Assert.AreEqual(3, clip3.VideoClip.Offset);
Assert.AreEqual(0.5, clip3.VideoClip.Duration);
IAudioVideoClipPair clip4 = timeline.AddVideoWithAudio("1sec.wmv", 0, 0.5, 1.0);
Assert.AreEqual(3.5, clip4.AudioClip.Offset);
Assert.AreEqual(0.5, clip4.AudioClip.Duration);
Assert.AreEqual(0.5, clip4.AudioClip.MediaStart);
Assert.AreEqual(3.5, clip4.VideoClip.Offset);
Assert.AreEqual(0.5, clip4.VideoClip.Duration);
Assert.AreEqual(0.5, clip4.VideoClip.MediaStart);
IAudioVideoClipPair clip5 = timeline.AddVideoWithAudio("1sec.wmv", InsertPosition.Absolute, 6, 0, -1);
Assert.AreEqual(6, clip5.AudioClip.Offset);
Assert.AreEqual(1, clip5.AudioClip.Duration);
Assert.AreEqual(6, clip5.VideoClip.Offset);
Assert.AreEqual(1, clip5.VideoClip.Duration);
IAudioVideoClipPair clip6 =
timeline.AddVideoWithAudio("myclip", "1sec.wmv", InsertPosition.Absolute, 8, 0, 0.5);
Assert.AreEqual(8, clip6.AudioClip.Offset);
Assert.AreEqual(0, clip6.AudioClip.MediaStart);
Assert.AreEqual(0.5, clip6.AudioClip.Duration);
Assert.AreEqual("myclip", clip6.AudioClip.Name);
Assert.AreEqual(8, clip6.VideoClip.Offset);
Assert.AreEqual(0, clip6.VideoClip.MediaStart);
Assert.AreEqual(0.5, clip6.VideoClip.Duration);
Assert.AreEqual("myclip", clip6.VideoClip.Name);
}
}
public void ShadowCopyAudio()
{
using (ITimeline timeline = new DefaultTimeline())
{
string fullPath = Path.GetFullPath("1sec.wmv");
timeline.AddAudioGroup().AddTrack();
timeline.AddVideoGroup(24, 320, 200).AddTrack();
IAudioVideoClipPair pair = timeline.AddVideoWithAudio("1sec.wmv", true);
Assert.AreEqual(fullPath, pair.VideoClip.File.FileName);
Assert.AreNotEqual(fullPath, pair.AudioClip.File.FileName);
Assert.IsTrue(pair.AudioClip.File.FileName.EndsWith(".wmv"));
}
}