/// <summary>Add a wave audio stream from another file to this file</summary>
/// <param name="waveFileName">Name of the wave file to add</param>
/// <param name="startAtFrameIndex">Index of the video frame at which the sound is going to start</param>
public void AddAudioStream(String waveFileName, int startAtFrameIndex)
{
AviManager audioManager = new AviManager(waveFileName, true);
AudioStream newStream = audioManager.GetWaveStream();
AddAudioStream(newStream, startAtFrameIndex);
audioManager.Close();
}
/// <summary>Add a wave audio stream from another file to this file</summary>
/// <param name="waveFileName">Name of the wave file to add</param>
public void AddAudioStream(String waveFileName)
{
AviManager audioManager = new AviManager(waveFileName, true);
AudioStream newStream = audioManager.GetWaveStream();
AddAudioStream(newStream);
audioManager.Close();
}
private void btnBrowse_Click(object sender, EventArgs e)
{
OpenFileDialog oFD1 = new OpenFileDialog();
oFD1.Multiselect = true;
if (oFD1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
files = oFD1.SafeFileNames; //Save only the names
paths = oFD1.FileNames; //Save the full paths
for (int i = 0; i < files.Length; i++)
{
//listBox1.Items.Add(files[i]); //Add songs to the listbox
ext = Path.GetExtension(oFD1.FileName);
if (ext == ".avi")
{
//Convert Avi to wav
AviManager aviManager = new AviManager(oFD1.FileName, true);
AudioStream audioStream = aviManager.GetWaveStream();
audioStream.ExportStream(oFD1.FileName + ".wav");
filepath = oFD1.FileName + ".wav";
aviManager.Close();
listBox1.Items.Add(files[i]); //Add songs to the listbox
}
else if (ext == ".wav")
{
filepath = oFD1.FileName;
listBox1.Items.Add(files[i]); //Add songs to the listbox
}
}
}
NAudio.Wave.WaveChannel32 wave = new NAudio.Wave.WaveChannel32(new NAudio.Wave.WaveFileReader(filepath));
WaveFileReader wavFile = new WaveFileReader(filepath);
byte[] mainBuffer = new byte[wave.Length];
float fileSize = (float)wavFile.Length / 1048576;
if (fileSize < 2)
window = 8;
else if (fileSize > 2 && fileSize < 4)
window = 16;
else if (fileSize > 4 && fileSize < 8)
window = 32;
else if (fileSize > 8 && fileSize < 12)
window = 128;
else if (fileSize > 12 && fileSize < 20)
window = 256;
else if (fileSize > 20 && fileSize < 30)
window = 512;
else
window = 2048;
float[] fbuffer = new float[mainBuffer.Length / window];
wave.Read(mainBuffer, 0, mainBuffer.Length);
for (int i = 0; i < fbuffer.Length; i++)
{
fbuffer[i] = (BitConverter.ToSingle(mainBuffer, i * window));
}
double time = wave.TotalTime.TotalSeconds;
GraphPane myPane1 = zedGraphControl2.GraphPane;
PointPairList list1 = new PointPairList();
PointPairList list2 = new PointPairList();
for (int i = 0; i < fbuffer.Length; i++)
{
list1.Add(i, fbuffer[i]);
}
list2.Add(0, 0);
list2.Add(time, 0);
if (myCurve1 != null && myCurve2 != null)
{
myCurve1.Clear();
myCurve2.Clear();
}
GraphPane myPane2 = zedGraphControl2.GraphPane;
myPane2.Title.Text = "Audio Sound Wave";
myPane2.XAxis.Title.Text = "Time, Seconds";
myPane2.YAxis.Title.Text = "Sound Wave Graph";
myCurve1 = myPane1.AddCurve(null, list1, System.Drawing.Color.Blue, SymbolType.None);
myCurve1.IsX2Axis = true;
myCurve2 = myPane1.AddCurve(null, list2, System.Drawing.Color.Black, SymbolType.None);
myPane1.XAxis.Scale.MaxAuto = true;
myPane1.XAxis.Scale.MinAuto = true;
//Threshold Line
double threshHoldY = -1.2;
double threshHoldX = 1.2;
LineObj threshHoldLine = new LineObj(System.Drawing.Color.Red, myPane2.XAxis.Scale.Min, threshHoldY, myPane2.XAxis.Scale.Max, threshHoldY);
LineObj threshHoldLine2 = new LineObj(System.Drawing.Color.Red, myPane2.XAxis.Scale.Min, threshHoldX, myPane2.XAxis.Scale.Max, threshHoldX);
myPane2.GraphObjList.Add(threshHoldLine);
myPane2.GraphObjList.Add(threshHoldLine2);
// Add a text box with instructions
TextObj text = new TextObj(
"Ratio Conversion: 1:100\nRed Lines: Threshold\nZoom: left mouse & drag\nContext Menu: right mouse",
0.05f, 0.95f, CoordType.ChartFraction, AlignH.Left, AlignV.Bottom);
text.FontSpec.StringAlignment = StringAlignment.Near;
myPane2.GraphObjList.Add(text);
// Show the x axis grid
myPane2.XAxis.MajorGrid.IsVisible = true;
myPane2.YAxis.MajorGrid.IsVisible = true;
// Just manually control the X axis range so it scrolls continuously
// instead of discrete step-sized jumps
//myPane2.XAxis.Scale.Format = @"00:00:00";
myPane2.XAxis.Scale.IsSkipCrossLabel = true;
myPane2.XAxis.Scale.IsPreventLabelOverlap = true;
myPane2.XAxis.Type = ZedGraph.AxisType.Linear;
myPane2.XAxis.Scale.Min = 0;
myPane2.XAxis.Scale.Max = 1.2;
myPane2.AxisChange();
// turn off the opposite tics so the Y tics don't show up on the Y2 axis
myPane2.YAxis.MajorTic.IsOpposite = false;
myPane2.YAxis.MinorTic.IsOpposite = false;
// Don't display the Y zero line
myPane2.YAxis.MajorGrid.IsZeroLine = false;
// Align the Y axis labels so they are flush to the axis
myPane2.YAxis.Scale.Align = AlignP.Inside;
// Manually set the axis range
myPane2.YAxis.Scale.Min = -1.5;
myPane2.YAxis.Scale.Max = 1.5;
zedGraphControl2.AxisChange();
zedGraphControl2.Invalidate();
}
/// <summary>Add a wave audio stream from another file to this file</summary>
/// <param name="waveFileName">Name of the wave file to add</param>
/// <param name="startAtFrameIndex">Index of the video frame at which the sound is going to start</param>
public void AddAudioStream(String waveFileName, int startAtFrameIndex) {
AviManager audioManager = new AviManager(waveFileName, true);
AudioStream newStream = audioManager.GetWaveStream();
AddAudioStream(newStream, startAtFrameIndex);
audioManager.Close();
}
private void btnRead_Click(object sender, System.EventArgs e)
{
AviManager aviManager = new AviManager(txtAviFileName.Text, true);
VideoStream stream = aviManager.GetVideoStream();
txtReportRead.Text = "Width: " + stream.Width;
txtReportRead.Text += "\r\nHeight: " + stream.Height;
txtReportRead.Text += "\r\nCount of Frames: " + stream.CountFrames;
txtReportRead.Text += "\r\nFrame Rate: " + stream.FrameRate;
txtReportRead.Text += "\r\nWave Sound:";
try {
AudioStream waveStream = aviManager.GetWaveStream();
txtReportRead.Text += "\r\nSamples per Second: " + waveStream.CountSamplesPerSecond.ToString();
txtReportRead.Text += "\r\nBits per Sample: " + waveStream.CountBitsPerSample.ToString();
txtReportRead.Text += "\r\nChannels: " + waveStream.CountChannels.ToString();
} catch {
txtReportRead.Text += " None";
}
}
private void btnExtractWave_Click(object sender, System.EventArgs e)
{
txtReportSound.Text = "Extracting " + txtAviFileName.Text + " to sound.wav...\r\n";
AviManager aviManager = new AviManager(txtAviFileName.Text, true);
try {
AudioStream audioStream = aviManager.GetWaveStream();
audioStream.ExportStream(@"..\..\testdata\sound.wav");
aviManager.Close();
txtReportSound.Text += "...finished.";
} catch (Exception ex) {
MessageBox.Show(this, "The file does not contain a wave audio stream, or it cannot be opened.\r\n" + ex.ToString(), "No Stream Found");
}
}
protected void upload_Click(object sender, EventArgs e)
{
string filepath = txt_fileUpLoad.Text;
title = tbTitle.Text.ToString();
desc = tbDescription.Text.ToString();
if (fileUpLoad.HasFile)
{
string fileType = Path.GetExtension(filepath);
if (fileType == ".avi")
{
//Get the address
address = tbLocation.Text.ToString();
//double lng = Double.Parse(tbX.Text.ToString());
//double lat = Double.Parse(tbY.Text.ToString());
//string convert = CoordinatesConverter.CoordinatesConvertor(lng, lat, 4326, 3414);
//string[] converting = convert.Split(',');
//x = Double.Parse(converting[0]);
//y = Double.Parse(converting[1]);
//Get the video filename for analysis
type = "Video";
strVideoPath = fileUpLoad.PostedFile.FileName.ToString();
savePath = Server.MapPath("~\\video\\");
fileUpLoad.PostedFile.SaveAs(savePath + strVideoPath);
path = savePath + strVideoPath;
FileInfo oFileInfo = new FileInfo(path);
if (oFileInfo != null || oFileInfo.Length == 0)
{
date = oFileInfo.CreationTime;
}
AviManager aviManager = new AviManager(path, true);
AudioStream audioStream = aviManager.GetWaveStream();
audioStream.ExportStream(path + ".wav");
vfilepath = path + ".wav";
aviManager.Close();
soundAnalysis();
grabVideo(path);
//videoAnalysis();
//insertIntoDatabase();
}
else if (fileType == ".jpg")
{
type = "Image";
txt_fileUpLoad.Text = "";
strVideoPath = fileUpLoad.PostedFile.FileName.ToString();
savePath = Server.MapPath("~\\image\\");
fileUpLoad.PostedFile.SaveAs(savePath + strVideoPath);
Bitmap pic = new Bitmap(savePath + strVideoPath);
property_ids = pic.PropertyIdList;
foreach (int scan_property in property_ids)
{
byte_property_id = pic.GetPropertyItem(scan_property).Value;
prop_type = pic.GetPropertyItem(scan_property).Type.ToString();
if (scan_property == 2)
{
//Latitude degrees minutes and seconds (rational)
degrees = System.BitConverter.ToInt32(byte_property_id, 0) / System.BitConverter.ToInt32(byte_property_id, 4);
minutes = System.BitConverter.ToInt32(byte_property_id, 8) / System.BitConverter.ToInt32(byte_property_id, 12);
seconds = System.BitConverter.ToInt32(byte_property_id, 16) / System.BitConverter.ToInt32(byte_property_id, 20);
lat_dd = degrees + (minutes / 60) + (seconds / 3600); //->Latitude
}
else if (scan_property == 4)
{
//Longitude degrees minutes and seconds (rational)
degrees = System.BitConverter.ToInt32(byte_property_id, 0) / System.BitConverter.ToInt32(byte_property_id, 4);
minutes = System.BitConverter.ToInt32(byte_property_id, 8) / System.BitConverter.ToInt32(byte_property_id, 12);
seconds = System.BitConverter.ToInt32(byte_property_id, 16) / System.BitConverter.ToInt32(byte_property_id, 20);
long_dd = degrees + (minutes / 60) + (seconds / 3600); //-->longtitude
}
else
{
//Do nothing...
/**
if (scan_property == 24)
{
//Magnetic bearing of subject to photographer (rational)
//do nothing
}
//scan_property ++;
* **/
}
}
}
if ((lat_dd > 0) && (long_dd > 0))
{
//Reverse Geocoding
XmlDocument doc = new XmlDocument();
doc.Load("http://maps.googleapis.com/maps/api/geocode/xml?latlng=" + lat_dd + "," + long_dd + "&sensor=false");
XmlNode element = doc.SelectSingleNode("//GeocodeResponse/status");
if (element.InnerText == "ZERO_RESULTS")
{
lb_msg.Text = "No result found";
}
else
{
element = doc.SelectSingleNode("//GeocodeResponse/result/formatted_address");
address = element.InnerText;
}
string convert = CoordinatesConverter.CoordinatesConvertor(long_dd, lat_dd, 4326, 3414);
string[] converting = convert.Split(',');
x = Double.Parse(converting[0]);
y = Double.Parse(converting[1]);
}
else
{
address = tbLocation.Text.ToString();
double lng = Double.Parse(tbX.Text.ToString());
double lat = Double.Parse(tbY.Text.ToString());
string convert = CoordinatesConverter.CoordinatesConvertor(lng, lat, 4326, 3414);
string[] converting = convert.Split(',');
x = Double.Parse(converting[0]);
y = Double.Parse(converting[1]);
}
}
}
