private double GetFrameRate(string filename)
{
IMediaDet md = new MediaDet() as IMediaDet;
Guid streamType;
AMMediaType mt = new AMMediaType();
int hr, nStreams;
md.put_Filename(filename);
md.get_OutputStreams(out nStreams);
for (int i = 0; i < nStreams; i++)
{
hr = md.put_CurrentStream(i);
DsError.ThrowExceptionForHR(hr);
hr = md.get_StreamType(out streamType);
DsError.ThrowExceptionForHR(hr);
if (streamType == MediaType.Video)
{
md.put_CurrentStream(0);
double frate = 30;
md.get_FrameRate(out frate);
return(frate);
}
}
return(30);
}
private List <int> GetAudioStreams(string filename)
{
IMediaDet md = new MediaDet() as IMediaDet;
Guid streamType;
AMMediaType mt = new AMMediaType();
int hr, nStreams;
List <int> streamList = new List <int>();
md.put_Filename(filename);
md.get_OutputStreams(out nStreams);
for (int i = 0; i < nStreams; i++)
{
hr = md.put_CurrentStream(i);
DsError.ThrowExceptionForHR(hr);
hr = md.get_StreamType(out streamType);
DsError.ThrowExceptionForHR(hr);
if (streamType == MediaType.Audio)
{
streamList.Add(i);
}
}
return(streamList);
}
public static Bitmap GetBitmap(double position, string movieFileName, int width, int height)
{
//DexterLib.MediaLocatorClass
MediaDet det = new MediaDet();
det.Filename = movieFileName;
det.CurrentStream = 0;
double len = det.StreamLength;
if (position > len)
{
return(null);
}
string myTempFile = System.IO.Path.GetTempFileName();
det.WriteBitmapBits(position, width, height, myTempFile);
Bitmap myBMP;
using (FileStream lStream = new FileStream(myTempFile, FileMode.Open, FileAccess.Read)) {
myBMP = (Bitmap)Image.FromStream(lStream);
}
System.IO.File.Delete(myTempFile);
return(myBMP);
}
public static bool CreateThumb(string videoFilename, string thumbFilename, double positionPercent)
{
Logger.ReportInfo("Creating thumb for " + videoFilename);
bool rval = false;
IMediaDet m = new MediaDet() as IMediaDet;
m.put_Filename(videoFilename);
int streamCount;
m.get_OutputStreams(out streamCount);
AMMediaType media_type = new AMMediaType();
for (int i = 0; i < streamCount; i++)
{
m.get_StreamMediaType(media_type);
VideoInfoHeader vih = (VideoInfoHeader)Marshal.PtrToStructure(media_type.formatPtr, typeof(VideoInfoHeader));
if (vih == null)
{
continue;
}
double pos;
m.get_StreamLength(out pos);
pos = (int)(pos * positionPercent);
int width = vih.BmiHeader.Width;
int height = vih.BmiHeader.Height;
if (height < 10 || width < 10)
{
continue;
}
string tempfile = Path.GetTempFileName() + ".bmp";
m.WriteBitmapBits(pos, width, height, tempfile);
if (File.Exists(tempfile))
{
using (var bitmap = new Bitmap(tempfile))
{
bitmap.Save(thumbFilename, ImageFormat.Png);
}
File.Delete(tempfile);
rval = true;
}
break;
}
Marshal.ReleaseComObject(m);
return(rval);
}
public static bool CreateThumb(string videoFilename, string thumbFilename, double positionPercent)
{
Logger.ReportInfo("Creating thumb for " + videoFilename);
bool rval = false;
IMediaDet m = new MediaDet() as IMediaDet;
m.put_Filename(videoFilename);
int streamCount;
m.get_OutputStreams(out streamCount);
AMMediaType media_type = new AMMediaType();
for (int i = 0; i < streamCount; i++)
{
m.get_StreamMediaType(media_type);
VideoInfoHeader vih = (VideoInfoHeader)Marshal.PtrToStructure(media_type.formatPtr, typeof(VideoInfoHeader));
if (vih == null)
{
continue;
}
double pos;
m.get_StreamLength(out pos);
pos = (int)(pos * positionPercent);
int width = vih.BmiHeader.Width;
int height = vih.BmiHeader.Height;
if (height < 10 || width < 10)
{
continue;
}
string tempfile = Path.GetTempFileName() + ".bmp";
m.WriteBitmapBits(pos, width, height, tempfile);
if (File.Exists(tempfile))
{
using (var bitmap = new Bitmap(tempfile))
{
bitmap.Save(thumbFilename, ImageFormat.Png);
}
File.Delete(tempfile);
rval = true;
}
break;
}
Marshal.ReleaseComObject(m);
return rval;
}
private List<int> GetAudioStreams(string filename)
{
IMediaDet md = new MediaDet() as IMediaDet;
Guid streamType;
AMMediaType mt = new AMMediaType();
int hr, nStreams;
List<int> streamList = new List<int>();
md.put_Filename(filename);
md.get_OutputStreams(out nStreams);
for (int i = 0; i < nStreams; i++)
{
hr = md.put_CurrentStream(i);
DsError.ThrowExceptionForHR(hr);
hr = md.get_StreamType(out streamType);
DsError.ThrowExceptionForHR(hr);
if (streamType == MediaType.Audio)
streamList.Add(i);
}
return streamList;
}
private double GetFrameRate(string filename)
{
IMediaDet md = new MediaDet() as IMediaDet;
Guid streamType;
AMMediaType mt = new AMMediaType();
int hr, nStreams;
md.put_Filename(filename);
md.get_OutputStreams(out nStreams);
for (int i = 0; i < nStreams; i++)
{
hr = md.put_CurrentStream(i);
DsError.ThrowExceptionForHR(hr);
hr = md.get_StreamType(out streamType);
DsError.ThrowExceptionForHR(hr);
if (streamType == MediaType.Video)
{
md.put_CurrentStream(0);
double frate = 30;
md.get_FrameRate(out frate);
return frate;
}
}
return 30;
}
/// <summary>
/// Open an image associated with the current metadata
/// </summary>
private void Browse_Click(object sender, RoutedEventArgs e)
{
System.Windows.Forms.OpenFileDialog ofd = new System.Windows.Forms.OpenFileDialog();
ofd.Multiselect = false;
ofd.Filter = "Image Files(*.BMP;*.JPG;*.GIF;*.JPEG)|*.BMP;*.JPG;*.GIF;*.JPEG|Audio and Video Files(*.MOV;*.AVI;*.MP4;*.WMV)|*MOV;*AVI;*.MP4;*.WMV|All files (*.*)|*.*"; //Only allow image and video type metadata
if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string[] filePath = ofd.FileNames;
string[] safeFilePath = ofd.SafeFileNames;
for (int i = 0; i < safeFilePath.Length; i++)
{
//if image
if (_helper.IsImageFile(filePath[i]))
{
type = "Image";
System.Windows.Controls.Image wpfImage = new System.Windows.Controls.Image();
try
{
FileStream stream = new FileStream(@filePath[i], FileMode.Open);
System.Drawing.Image dImage = System.Drawing.Image.FromStream(stream);
wpfImage = _helper.ConvertDrawingImageToWPFImage(dImage);
stream.Close();
image1.Source = wpfImage.Source;
}
catch (Exception exception)
{
MessageBox.Show("The image is broken or invalid!");
return;
}
}
//if video
else if (_helper.IsVideoFile(filePath[i]))
{
type = "Video";
BitmapImage videoThumb = new BitmapImage();
if (_helper.IsDirShowFile(filePath[i]))
{
//creating and saving thumbnail image
DexterLib.MediaDet md = new MediaDet();
md.Filename = @filePath[i];
md.CurrentStream = 0;
string fBitmapName = @filePath[i];
fBitmapName = fBitmapName.Remove(fBitmapName.Length - 4, 4);
fBitmapName += ".bmp";
md.WriteBitmapBits(md.StreamLength / 2, 400, 240, fBitmapName);
Image wpfImage = new Image();
FileStream stream = new FileStream(fBitmapName, FileMode.Open);
System.Drawing.Image dImage = System.Drawing.Image.FromStream(stream);
wpfImage = _helper.ConvertDrawingImageToWPFImage(dImage);
stream.Close();
Utils.setAspectRatio(imageCanvas, imageRec, image1, wpfImage, 4);
image1.Source = videoThumb;
}
else
{
String sImageText = Path.GetFileNameWithoutExtension(filePath[i]);
System.Drawing.Bitmap objBmpImage = new System.Drawing.Bitmap(1,1);
int intWidth = 0;
int intHeight = 0;
// Create the Font object for the image text drawing.
System.Drawing.Font objFont = new System.Drawing.Font("Arial", 20, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Pixel);
// Create a graphics object to measure the text's width and height.
System.Drawing.Graphics objGraphics = System.Drawing.Graphics.FromImage(objBmpImage);
// This is where the bitmap size is determined.
intWidth = (int)objGraphics.MeasureString(sImageText, objFont).Width;
intHeight = (int)objGraphics.MeasureString(sImageText, objFont).Height;
System.Drawing.Size newsize = new System.Drawing.Size(intWidth, intHeight);
// Create the bmpImage again with the correct size for the text and font.
objBmpImage = new System.Drawing.Bitmap(objBmpImage, newsize);
// Add the colors to the new bitmap.
objGraphics = System.Drawing.Graphics.FromImage(objBmpImage);
// Set Background color
objGraphics.Clear(System.Drawing.Color.White);
objGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;//SmoothingMode.AntiAlias;
objGraphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;//TextRenderingHint.AntiAlias;
objGraphics.DrawString(sImageText, objFont, new System.Drawing.SolidBrush(System.Drawing.Color.FromArgb(102, 102, 102)), 0, 0);
objGraphics.Flush();
string fBitmapName = @filePath[i];
fBitmapName = fBitmapName.Remove(fBitmapName.Length - 4, 4);
fBitmapName += ".bmp";
objBmpImage.Save(fBitmapName);
FileStream stream = new FileStream(fBitmapName, FileMode.Open);
System.Windows.Controls.Image wpfImage = new System.Windows.Controls.Image();
System.Drawing.Image dImage = System.Drawing.Image.FromStream(stream);
wpfImage = _helper.ConvertDrawingImageToWPFImage(dImage);
stream.Close();
image1.Source = wpfImage.Source;
}
title_tag.Text = safeFilePath[i];
metaImagePath = filePath[i];
}
string filename = safeFilePath[i];
string extension = Path.GetExtension(safeFilePath[i]);
string tempFileName = Path.GetFileNameWithoutExtension(safeFilePath[i]);
Random random = new Random();
int randomNumber = random.Next(0, 100000000);
filename = tempFileName + randomNumber + extension;
while (File.Exists("Data/Images/Metadata/" + filename))
{
randomNumber = random.Next(0, 100000000);
filename = tempFileName + randomNumber + extension;
}
title_tag.Text = filename;
metaImagePath = filePath[i];
}
}
}
public static bool CreateThumb(string videoFilename, string thumbFilename, double positionPercent)
{
bool rval = false;
IMediaDet m = new MediaDet() as IMediaDet;
m.put_Filename(videoFilename);
int streamCount;
m.get_OutputStreams(out streamCount);
AMMediaType media_type = new AMMediaType();
for (int i = 0; i < streamCount; i++)
{
m.get_StreamMediaType(media_type);
/*
* TODO: Its proing really hard to find out what the stream is major type doesn't work sometimes
* Cause I only seem to get audio streams for some videos, current approach is to assume we have
* a video stream and then just stop if the width is 0
* if (media_type.majorType != videoType)
* {
* continue;
* }
*/
VideoInfoHeader vih = (VideoInfoHeader)Marshal.PtrToStructure(media_type.formatPtr, typeof(VideoInfoHeader));
if (vih == null)
{
continue;
}
double pos;
m.get_StreamLength(out pos);
pos = (int)(pos * positionPercent);
int width = vih.BmiHeader.Width;
int height = vih.BmiHeader.Height;
if (height < 10 || width < 10)
{
continue;
}
string tempfile = Path.GetTempFileName() + ".bmp";
m.WriteBitmapBits(pos, width, height, tempfile);
if (File.Exists(tempfile))
{
try
{
using (var bitmap = new Bitmap(tempfile))
{
bitmap.Save(thumbFilename, ImageFormat.Png);
}
}
catch { }
File.Delete(tempfile);
rval = true;
}
break;
}
Marshal.ReleaseComObject(m);
return(rval);
}
