public void CreatePlayableWaveMemoryStreamFluent()
{
WaveMemoryStream waveMemoryStream = WaveMemoryStream.FromFile(testVideoFileName)
.From(1.0)
.To(4.0);
SoundPlayer soundPlayer = new SoundPlayer(waveMemoryStream);
}
public void CreatePlayableAudioSegmentFromOffsetRandom()
{
Random r = new Random();
var ranges = Enumerable.Range(0, 100).Select(x =>
{
double startOffset = (testVideoFileDuration - 1) * r.NextDouble();
double endOffset = startOffset + r.Next(1, (int)(testVideoFileDuration - startOffset));
return(new { startOffset, endOffset });
}).ToArray();
foreach (var range in ranges)
{
WaveMemoryStream waveMemoryStream = WaveMemoryStream.FromFile(testVideoFileName, range.startOffset, range.endOffset);
Assert.IsNotNull(waveMemoryStream);
//Soundplayer will throw an exception if this is not a valid Wave stream
SoundPlayer soundPlayer = new SoundPlayer(waveMemoryStream);
}
}
public static void ExecuteCommands(string fileName, Dictionary <string, object> switches)
{
try
{
if (switches.ContainsKey("PrintDuration")) // print file duration
{
AsfFile asfFile = new AsfFile(fileName);
AsfFileProperties fileProperties = asfFile.GetAsfObject <AsfFileProperties>();
Console.WriteLine(string.Format("File {0} has a duration of {1}", fileName, fileProperties.Duration.ToString("mm':'ss\\.fff")));
}
else if (switches.ContainsKey("ExtractImage")) //extract an image thumb from a time offset
{
//create thumb
double startOffset = (double)switches["StartOffset"];
string outputFile = (string)switches["OutputFile"];
Bitmap bitmap = AsfImage.FromFile(fileName, startOffset);
if (switches.ContainsKey("Width"))
{
int width = (int)switches["Width"];
int height = (int)(bitmap.Height * ((double)width / bitmap.Width));
Bitmap thumbBitmap = new Bitmap(width, height);
using (Graphics g = Graphics.FromImage(thumbBitmap))
{
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(bitmap, 0, 0, width, height);
}
bitmap = thumbBitmap;
}
ImageFormat outputFormat = ImageFormat.Bmp;
if (outputFile.ToLower().Contains(".jpg"))
{
outputFormat = ImageFormat.Jpeg;
}
else if (outputFile.ToLower().Contains(".png"))
{
outputFormat = ImageFormat.Png;
}
bitmap.Save(outputFile, outputFormat);
}
else if (switches.ContainsKey("ExtractAudio")) //extract audio data from a time range
{
double startOffset = (double)switches["StartOffset"];
double endOffset = (double)switches["EndOffset"];
string outputFile = (string)switches["OutputFile"];
WaveMemoryStream waveStream = WaveMemoryStream.FromFile(fileName, startOffset, endOffset);
using (FileStream fs = new FileStream(outputFile, FileMode.Create))
waveStream.WriteTo(fs);
}
else if (switches.ContainsKey("UpdateProperties")) //update content description properties
{
AsfFile asfFile = new AsfFile(fileName);
AsfContentDescriptionObject contentDescription = asfFile.GetAsfObject <AsfContentDescriptionObject>();
if (contentDescription != null)
{
string author = switches.ContainsKey("Author") ? (string)switches["Author"] : contentDescription.ContentProperties["Author"];
string copyright = switches.ContainsKey("Copyright") ? (string)switches["Copyright"] : contentDescription.ContentProperties["Copyright"];
string title = switches.ContainsKey("Title") ? (string)switches["Title"] : contentDescription.ContentProperties["Title"];
string description = switches.ContainsKey("Description") ? (string)switches["Description"] : contentDescription.ContentProperties["Description"];
AsfFile.From(fileName)
.WithAuthor(author)
.WithDescription(description)
.WithCopyright(copyright)
.WithTitle(title)
.Update();
Console.WriteLine(string.Format("Content description properties updated."));
}
else
{
Console.WriteLine(string.Format("No content description properties available."));
}
}
}
catch (Exception)
{
PrintUsage();
}
}
public void CreatePlayableWaveMemoryStreamStatic()
{
WaveMemoryStream waveMemoryStream = WaveMemoryStream.FromFile(testVideoFileName, 1.0, 4.0);
SoundPlayer soundPlayer = new SoundPlayer(waveMemoryStream);
}