//private void button1_Click(object sender, EventArgs e) //Frame btn
//{
// System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
// sw.Start();
// FFMPEG_TEST();
// sw.Stop();
// MessageBox.Show(sw.ElapsedMilliseconds.ToString() + "ms");
//}
public void FFMPEG_TEST()
{
// create instance of video reader
Accord.Video.FFMPEG.VideoFileReader reader = new Accord.Video.FFMPEG.VideoFileReader();
// open video file
//reader.Open(@"C:\Users\trevor\Desktop\Videos\cctv2.wmv"); //local path
reader.Open(@"C:\videos\tracking.mp4"); //public pc path
Bitmap[] objBitmap = new Bitmap[nrow];
// read video frames out of it
int j = 0;
for (int i = 0; i < 10000 /*reader.FrameCount*/; i++) //i = frameNum
{
//make...folder... 일단 폴더에 저장해보자 //SQL에서 DISTINCT해서 불러와도 무관..속돈 나중에
Bitmap videoFrame = reader.ReadVideoFrame();
for (; i == trackingData[j].frameNum; j++) // j == row number
{
makeFolder(@"C:\videos\obj\" + trackingData[j].objId);
//corp
//objBitmap[j] = cropImage(videoFrame, new Rectangle(trackingData[j].x, trackingData[j].y, trackingData[j].w, trackingData[j].h));
//objBitmap[j].Save(@"C:\videos\obj\" + trackingData[j].objId + "\\" + j + ".bmp");
cropImage(videoFrame, new Rectangle(trackingData[j].x, trackingData[j].y, trackingData[j].w, trackingData[j].h)).Save(@"C:\videos\obj\" + trackingData[j].objId + "\\" + j + ".bmp");
}
// dispose the frame when it is no longer required
videoFrame.Dispose();
}
reader.Close();
}
private static void reencode(FileInfo fileInput, FileInfo fileOutput, VideoCodec outputCodec,
AVPixelFormat format = AVPixelFormat.FormatYuv420P, double expectedFrameRate = 2997 / 100.0)
{
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileInput.FullName);
using (var videoFileWriter = new Accord.Video.FFMPEG.VideoFileWriter())
{
Assert.AreEqual(2997, videoFileReader.FrameRate.Numerator);
Assert.AreEqual(100, videoFileReader.FrameRate.Denominator);
videoFileWriter.Width = videoFileReader.Width;
videoFileWriter.Height = videoFileReader.Height;
videoFileWriter.FrameRate = videoFileReader.FrameRate;
videoFileWriter.VideoCodec = outputCodec;
Assert.AreEqual(AVPixelFormat.FormatYuv420P, videoFileWriter.PixelFormat);
videoFileWriter.PixelFormat = format;
videoFileWriter.Open(fileOutput.FullName);
do
{
using (var bitmap = videoFileReader.ReadVideoFrame())
{
if (bitmap == null)
{
break;
}
videoFileWriter.WriteVideoFrame(bitmap);
}
}while (true);
videoFileWriter.Close();
}
videoFileReader.Close();
}
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileOutput.FullName);
Assert.AreEqual(expectedFrameRate, videoFileReader.FrameRate.Value, 0.01);
}
}
private static void reencode(FileInfo fileInput, FileInfo fileOutput, VideoCodec outputCodec)
{
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileInput.FullName);
using (var videoFileWriter = new Accord.Video.FFMPEG.VideoFileWriter())
{
Assert.AreEqual(2997, videoFileReader.FrameRate.Numerator);
Assert.AreEqual(100, videoFileReader.FrameRate.Denominator);
videoFileWriter.Open
(
fileOutput.FullName,
videoFileReader.Width,
videoFileReader.Height,
videoFileReader.FrameRate,
outputCodec
);
do
{
using (var bitmap = videoFileReader.ReadVideoFrame())
{
if (bitmap == null)
{
break;
}
videoFileWriter.WriteVideoFrame(bitmap);
}
}while (true);
videoFileWriter.Close();
}
videoFileReader.Close();
}
using (var videoFileReader = new Accord.Video.FFMPEG.VideoFileReader())
{
videoFileReader.Open(fileOutput.FullName);
Assert.AreEqual(2997 / 100.0, videoFileReader.FrameRate.Value, 0.01);
}
}
public void imageCrop()
{
Accord.Video.FFMPEG.VideoFileReader reader2 = new Accord.Video.FFMPEG.VideoFileReader();
//reader = new Accord.Video.FFMPEG.VideoFileReader();
reader2.Open(videoPath);
int cropMaxFrameNum = 0;
for (int frameNum = 0; frameNum < maxFrameNum /*reader.FrameCount*/; frameNum += frameStep)
{
if (objidByFrame.ContainsKey(frameNum))
{
cropMaxFrameNum = frameNum;
}
}
for (int frameNum = 0; frameNum <= cropMaxFrameNum /*reader.FrameCount*/; frameNum++)
{
Bitmap videoFrame = reader2.ReadVideoFrame();
if (frameNum % frameStep != 0)
{
videoFrame.Dispose();
continue;
}
dataGridView1.Invoke(new Action(() =>
{
if (objidByFrame.ContainsKey(frameNum))
{
foreach (int objid in objidByFrame[frameNum])
{
if (idxbyObjid[objid] == -1)
{
continue;
}
Rectangle temp = ObjList[idxbyObjid[objid]].getNextCropArea();
Bitmap bit = videoFrame.Clone(temp, videoFrame.PixelFormat);
ObjList[idxbyObjid[objid]].addCropImage(bit);
if (ObjList[idxbyObjid[objid]].cropImages.Count == 1)
{
//int gridHeight = 190;
int headlineHeight = 30;
Bitmap gridImg = null;
if (trackingTableClassid[objid] == 0)
{
gridImg = (Bitmap)backgroundCar.Clone();
}
else
{
gridImg = (Bitmap)backgroundPeople.Clone();
}
Bitmap headlineBox = new Bitmap(gridImg.Width, headlineHeight); // obj info
//SET HEADLINEBOX COLOR WHITE
for (int i = 0; i < headlineBox.Height; i++)
{
for (int j = 0; j < headlineBox.Width; j++)
{
headlineBox.SetPixel(j, i, Color.White);
}
}
RectangleF rectf = new RectangleF(35, 0, headlineBox.Width, headlineBox.Height); // 다음 위치에 택스트를 그린다 (시간)
//alpha
ColorMatrix matrix = new ColorMatrix();
matrix.Matrix33 = 0.7f; //0.7~0.75
ImageAttributes att = new ImageAttributes();
att.SetColorMatrix(matrix, ColorMatrixFlag.Default, ColorAdjustType.Bitmap);
Graphics g = Graphics.FromImage(gridImg);
//System.Drawing.SolidBrush bgcolor = new System.Drawing.SolidBrush(System.Drawing.Color.White);
//g.CompositingMode = System.Drawing.Drawing2D.CompositingMode.SourceOver;
double ratio = 1.0;
if (bit.Width * gridImg.Height < gridImg.Width * bit.Height)
{
ratio = (double)gridImg.Height / bit.Height;
}
else
{
ratio = (double)gridImg.Width / bit.Width;
}
int width = (int)(bit.Width * ratio);
int height = (int)(bit.Height * ratio);
Rectangle rect = new Rectangle((gridImg.Width - width) / 2, (gridImg.Height - height) / 2, width, height);
g.DrawImage(bit, rect);
g.DrawImage(headlineBox, new Rectangle(0, 0, headlineBox.Width, headlineBox.Height), 0, 0, headlineBox.Width, headlineHeight, GraphicsUnit.Pixel, att);
switch (trackingTableDirectionid[objid])
{
case 0:
g.DrawImage(Direction0, new Rectangle(0, 0, 30, 30));
break;
case 1:
g.DrawImage(Direction1, new Rectangle(0, 0, 30, 30));
break;
case 2:
g.DrawImage(Direction2, new Rectangle(0, 0, 30, 30));
break;
case 3:
g.DrawImage(Direction3, new Rectangle(0, 0, 30, 30));
break;
case 4:
g.DrawImage(Direction4, new Rectangle(0, 0, 30, 30));
break;
case 5:
g.DrawImage(Direction5, new Rectangle(0, 0, 30, 30));
break;
case 6:
g.DrawImage(Direction6, new Rectangle(0, 0, 30, 30));
break;
case 7:
g.DrawImage(Direction7, new Rectangle(0, 0, 30, 30));
break;
}
g.DrawString(ObjList[idxbyObjid[objid]].startTime.ToString("HH:mm"), new Font("SpoqaHanSans", 14, FontStyle.Bold), Brushes.Black, rectf);
if (trackingTableClassid[objid] == 0) // class id = 0 => people
{
dataGridView1.Rows.Add(gridImg);
dataGridView1.Rows[dataGridView1.RowCount - 1].Height = gridImg.Height;
gridViewList1.Add(objid);
}
else if (trackingTableClassid[objid] == 1)
{
dataGridView2.Rows.Add(gridImg);
dataGridView2.Rows[dataGridView2.RowCount - 1].Height = gridImg.Height;
gridViewList2.Add(objid);
}
else
{
MessageBox.Show("DataGridView ERROR");
}
}
}
}
}));
videoFrame.Dispose();
int percent = frameNum * 100 / cropMaxFrameNum;
labelProgress.Text = "Detection 100%\nTracking 100%\nOverlay " + percent + "%";
}
reader2.Close();
}
