OutputStreams Property (original) (raw)
Summary
Gets the number of output streams available in the current program.
Syntax
public int OutputStreams { get; } public:
property int OutputStreams {
int get();
}
Property Value
A value representing the number of output streams available in the current program.
Example
using Leadtools;
using Leadtools.Multimedia;
using LeadtoolsMultimediaExamples.Fixtures;
public PlayCtrlForm _form = new PlayCtrlForm();
public bool _result = false;
public void ResetSourceExample()
{
// reference the play control
PlayCtrl playctrl = _form.PlayCtrl;
// input file
string inWmvFile = Path.Combine(LEAD_VARS.MediaDir, "MediaInfo_Source.wmv");
string inAviFile = Path.Combine(LEAD_VARS.MediaDir, "MediaInfo_Source.avi");
try
{
// create a new media info object
MediaInfo mi = new MediaInfo();
// get MP3 info
mi.SourceFile = inWmvFile;
// set the info string with general media information
Console.WriteLine("General Info");
Console.WriteLine("Title: " + mi.Title);
Console.WriteLine("Author: " + mi.Author);
Console.WriteLine("Description: " + mi.Description);
Console.WriteLine("Rating: " + mi.Rating);
Console.WriteLine("Copyright: " + mi.Copyright);
Console.WriteLine();
// reset the source
mi.ResetSource();
// get AVI info
mi.SourceFile = inAviFile;
Console.WriteLine("General Info");
Console.WriteLine("File: " + mi.SourceFile);
Console.WriteLine("File Size: " + mi.SourceFileSize);
Console.WriteLine("Format: " + mi.SourceFormat + "(" + mi.SourceFormatName + ")");
Console.WriteLine("Duration: " + mi.SourceDuration);
Console.WriteLine("Real Bit-rate: " + mi.SourceBitRate);
Console.WriteLine("Format Type: " + mi.SourceMediaType.FormatType);
Console.WriteLine();
Console.WriteLine("Source Filter Info");
var s = mi.SourceFilter;
IntPtr ptr = Marshal.GetIUnknownForObject(s);
Console.WriteLine(string.Format("Address of Object Pointer: 0x{0:X}", ptr.ToInt64()));
Console.WriteLine("ClassID: " + mi.SourceFilterClassID);
Console.WriteLine("Name: " + mi.SourceFilterName);
Console.WriteLine("Streams Info");
for ( int streamIndex = 0; streamIndex < mi.OutputStreams; streamIndex++ )
{
mi.CurrentStream = streamIndex;
Console.WriteLine("Stream Index: " + streamIndex);
Console.WriteLine("Type: " + mi.StreamType + "(" + mi.StreamTypeName);
Console.WriteLine("Subtype: " + mi.StreamSubtype + "(" + mi.StreamSubtypeName);
Console.WriteLine("Format Type: " + mi.StreamMediaType.FormatType);
if (mi.StreamTypeName == "Video")
{
Console.WriteLine("Width: " + mi.VideoWidth + " pixels");
Console.WriteLine("Height: " + mi.VideoHeight + " pixels");
Console.WriteLine("Bit Count: " + mi.VideoBitCount + " bits per pixel");
Console.WriteLine("Frame Count: " + mi.VideoFrames);
Console.WriteLine("Frame Rate: " + mi.VideoFrameRate + "frames per second");
Console.WriteLine("Compression: " + mi.VideoCompression);
Console.WriteLine("Bit-rate: " + mi.VideoBitRate + "kbps");
Console.WriteLine("Duration: " + mi.StreamDuration + "seconds");
Console.WriteLine();
}
else if (mi.StreamTypeName == "Audio")
{
Console.WriteLine("Format Tag: " + mi.AudioFormatTag);
Console.WriteLine("Channels: " + mi.AudioChannels);
Console.WriteLine("Frequency: " + mi.AudioSamplesPerSec + " samples per second");
Console.WriteLine("Sample Size: " + mi.AudioBitsPerSample + " bits per sample");
Console.WriteLine("Average Rate: " + mi.AudioAvgBytesPerSec + "bytes per second");
Console.WriteLine("Duration: " + mi.StreamDuration + "seconds");
Console.WriteLine();
}
}
// media info outputted to console, set result to true
_result = true;
// reset the source
mi.ResetSource();
// set the result to what we expect
_result = (mi.SourceFile == null);
}
catch (Exception)
{
_result = false;
}
}
static class LEAD_VARS
{
public const string MediaDir = @"C:\LEADTOOLS23\Media";
}