/// <summary>
/// demonstrates how to read AVIMAINHEADER of AVI format
/// </summary>
public static void ReadAviMainHeader()
{
//ExStart:ReadAviMainHeader
// initialize AviFormat
using (AviFormat aviFormat = new AviFormat(Common.MapSourceFilePath(filePath)))
{
// get AVI header
AviHeader header = aviFormat.Header;
// display video width
Console.WriteLine("Video width: {0}", header.Width);
// display video height
Console.WriteLine("Video height: {0}", header.Height);
// display total frames
Console.WriteLine("Total frames: {0}", header.TotalFrames);
// display number of streams in file
Console.WriteLine("Number of streams: {0}", header.Streams);
// display suggested buffer size for reading the file
Console.WriteLine("Suggested buffer size: {0}", header.SuggestedBufferSize);
}
//ExEnd:ReadAviMainHeader
}
/// <summary>
/// Clean AVI Format Metadata
/// Feature is supported in version 18.6 or greater of the API
/// </summary>
public static void ReadAviMainHeaderUsingStream()
{
using (Stream stream = File.Open(Common.MapDestinationFilePath(filePath), FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
using (AviFormat format = new AviFormat(Common.MapSourceFilePath(filePath)))
{
// get AVI header
AviHeader header = format.Header;
// display video width
Console.WriteLine("Video width: {0}", header.Width);
// display video height
Console.WriteLine("Video height: {0}", header.Height);
// display total frames
Console.WriteLine("Total frames: {0}", header.TotalFrames);
// display number of streams in file
Console.WriteLine("Number of streams: {0}", header.Streams);
// display suggested buffer size for reading the file
Console.WriteLine("Suggested buffer size: {0}", header.SuggestedBufferSize);
}
// The stream is still open here
}
}
