public VideoFrames(string fileLocation)
{
if (fileLocation == null)
{
_mode = Mode.None;
return;
}
string lower = fileLocation.ToLower();
fileloc = fileLocation;
if (lower.EndsWith(".avi"))
{
_aviManager = new AviManager(fileLocation, true);
_aviStream = _aviManager.GetVideoStream();
_aviStream.GetFrameOpen();
_mode = Mode.Video;
}
else if (lower.EndsWith(".png"))
{
_singleFrame = new System.Drawing.Bitmap(fileLocation);
_mode = Mode.SingleFrame;
}
else
{
_mode = Mode.None;
}
}
public VideoTexture(SceneManager scm, float width, float height, string aviFileName)
{
AviManager aviMgr = new AviManager(aviFileName, true);
Stream = aviMgr.GetVideoStream();
TexturePtr VideoTexture = TextureManager.Singleton.CreateManual(
"Video",
ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME,
TextureType.TEX_TYPE_2D, Convert.ToUInt32(Stream.Width), Convert.ToUInt32(Stream.Height), 0, PixelFormat.PF_R8G8B8A8, (int)TextureUsage.TU_DYNAMIC_WRITE_ONLY_DISCARDABLE);
MaterialPtr VideoMat = MaterialManager.Singleton.Create(
"VideoMat", ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME);
VideoMat.GetTechnique(0).GetPass(0).LightingEnabled = false;
VideoMat.GetTechnique(0).GetPass(0).CreateTextureUnitState("Video");
PixelBuffer = VideoTexture.GetBuffer();
screen = scm.CreateManualObject("Screen");
screen.Dynamic = true;
screen.Begin("VideoMat", RenderOperation.OperationTypes.OT_TRIANGLE_LIST);
screen.Position(0, 0, 0);
screen.TextureCoord(0, 0);
screen.Position(width, 0, 0);
screen.TextureCoord(1, 0);
screen.Position(width, height, 0);
screen.TextureCoord(1, 1);
screen.Triangle(0, 1, 2);
screen.Position(0, 0, 0);
screen.TextureCoord(0, 0);
screen.Position(width, height, 0);
screen.TextureCoord(1, 1);
screen.Position(0, height, 0);
screen.TextureCoord(0, 1);
screen.Triangle(3, 4, 5);
screen.End();
SceneNode node = scm.RootSceneNode.CreateChildSceneNode();
node.Position = new Vector3(0, 0, 0);
node.AttachObject(screen);
Stream.GetFrameOpen();
FrameNum = 0;
}
private void startToConvert_Click(object sender, EventArgs e)
{
AviManager aviManager = new AviManager(fileNameText.Text, true);
VideoStream stream = aviManager.GetVideoStream();
stream.GetFrameOpen();
fileName = fileNameText.Text;
int length = fileName.Length, j;
for (j = length - 1; j > 0; j--)
{
if (fileName[j] != '\\')
{
newfileName += fileName[j];
}
else
{
break;
}
}
fileName = "";
for (j = newfileName.Length - 1; j >= 0; j--)
{
fileName += newfileName[j];
}
fileName = fileName.ToLower();
j = 0;
path = "";
for (j = 0; j < fileNameText.Text.Length - fileName.Length; j++)
{
path += fileNameText.Text[j];
}
int startFrame = Convert.ToInt32(startPointTrackerText.Text);
int endFrame = Convert.ToInt32(endPointTrackerText.Text);
string bmpname = "";
int ali = 0;
for (int n = startFrame; n < endFrame; n++)
{
bmpname = ali.ToString();
stream.ExportBitmap(n, "c:/temp/" + bmpname + ".bmp");
pathBox.Items.Add("c:/temp/" + bmpname + ".bmp");
ali++;
startPointTracker.Value = n;
textBox3.Text = n.ToString();
}
stream.GetFrameClose();
aviManager.Close();
makeAvi();
}
public void Open(string file)
{
lock (this)
{
_aviManager = new AviManager(file, true);
_videoStream = _aviManager.GetVideoStream();
_videoStream.GetFrameOpen();
_currentFrame = 0;
_frameBuffer.Clear();
}
_threadFillBuffer = new Thread(this.FillBuffer)
{
Priority = ThreadPriority.Highest
};
_threadFillBuffer.Start();
}
private void ShowFrame()
{
if (System.IO.File.Exists(txtAviFileName.Text))
{
try {
AviManager aviManager = new AviManager(txtAviFileName.Text, true);
VideoStream aviStream = aviManager.GetVideoStream();
aviStream.GetFrameOpen();
Bitmap bmp = aviStream.GetBitmap(Convert.ToInt32(numPosition.Value));
picFrame.Image = bmp;
aviStream.GetFrameClose();
aviManager.Close();
} catch (Exception ex) {
MessageBox.Show(ex.ToString());
}
}
}
private void open()
{
aviManager = new AviManager(file, true);
aviStream = aviManager.GetVideoStream();
aviStream.GetFrameOpen();
framecount = aviStream.CountFrames;
label2.Text = framecount.ToString();
bmp = aviStream.GetBitmap(i);
label6.Text = bmp.Width.ToString(); //宽度
label4.Text = bmp.Height.ToString(); //高度
pictureBox1.Width = (bmp.Width);
pictureBox1.Height = (bmp.Height);
pictureBox1.Image = bmp;
label8.Text = i.ToString();//当前帧数
Form2 f = new Form2();
f.Width = (bmp.Width) + 200;
f.Height = (bmp.Height) + 300;
}
private void ShowFrameTrackTwo()
{
if (System.IO.File.Exists(fileNameText.Text))
{
try
{
AviManager aviManager = new AviManager(fileNameText.Text, true);
VideoStream aviStream = aviManager.GetVideoStream();
aviStream.GetFrameOpen();
Bitmap bmp = aviStream.GetBitmap(Convert.ToInt32(endPointTracker.Value));
bmp.SetResolution(rlPicBox.Width, rlPicBox.Height);
smplPicBox.Image = bmp;
aviStream.GetFrameClose();
aviManager.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
private void btnExtract_Click(object sender, System.EventArgs e)
{
AviManager aviManager = new AviManager(txtAviFileName.Text, true);
VideoStream stream = aviManager.GetVideoStream();
stream.GetFrameOpen();
txtReportCopy.Text = txtFileNames.Text = String.Empty;
String path = @"..\..\testdata\";
for (int n = 0; n < stream.CountFrames; n++)
{
stream.ExportBitmap(n, path + n.ToString() + ".bmp");
txtReportCopy.Text += n + ".bmp finished...\r\n";
txtFileNames.Text += path + n + ".bmp\r\n";
}
stream.GetFrameClose();
aviManager.Close();
}
public static SnmFile FromAviFile(string fileName)
{
if (!File.Exists(fileName))
{
throw new FileNotFoundException();
}
var snm = new SnmFile();
var aviManager = new AviManager(fileName);
try
{
AudioStream audioStream = aviManager.GetWaveStream();
byte[] audioData = null;
if (audioStream != null)
{
if (audioStream.ChannelsCount != 2 || audioStream.BitsPerSample != 16)
{
throw new InvalidDataException();
}
if (audioStream.SamplesPerSecond != 22050 && audioStream.SamplesPerSecond != 44100)
{
throw new NotSupportedException();
}
snm.AudioHeader = new SnmAudioHeader
{
Frequency = audioStream.SamplesPerSecond,
NumChannels = audioStream.ChannelsCount
};
audioData = audioStream.GetStreamData();
if (snm.AudioHeader.Frequency == 44100)
{
snm.AudioHeader.Frequency = 22050;
audioData = SnmFile.ConvertAudio44100To22050(audioData);
}
}
VideoStream videoStream = aviManager.GetVideoStream();
if (videoStream.BitsPerPixel != 24 && videoStream.BitsPerPixel != 32)
{
throw new NotSupportedException();
}
snm.Header.FrameDelay = (int)(1000000 / videoStream.FrameRate + 0.5);
snm.Header.Width = (short)videoStream.Width;
snm.Header.Height = (short)videoStream.Height;
snm.Header.NumFrames = (short)videoStream.FramesCount;
for (int i = 0; i < videoStream.FramesCount; i++)
{
snm.VideoHeaders.Add(new SnmVideoHeader
{
Width = snm.Header.Width,
Height = snm.Header.Height
});
}
videoStream.GetFrameOpen();
try
{
int fps = (1000000 + snm.Header.FrameDelay / 2) / snm.Header.FrameDelay;
int samplesPerFrame = snm.AudioHeader.Frequency / fps;
if (samplesPerFrame * fps != snm.AudioHeader.Frequency)
{
throw new InvalidDataException();
}
for (int i = 0; i < videoStream.FramesCount; i++)
{
byte[] videoData = videoStream.GetFrameData(i);
var frame = new SnmFrame();
if (audioData != null)
{
int audioPosition = i * samplesPerFrame * 4;
int audioLength = Math.Min(samplesPerFrame * 4, audioData.Length - audioPosition);
if (audioPosition < audioData.Length && audioLength != 0)
{
frame.Audio = new SnmAudioFrame
{
NumSamples = audioLength / 4
};
byte[] buffer = new byte[audioLength];
Array.Copy(audioData, audioPosition, buffer, 0, audioLength);
//frame.Audio.Data = Imc.Vima.Compress(buffer, 2);
frame.Audio.Data = buffer;
}
}
if (videoData != null)
{
frame.Video = new SnmVideoFrame
{
Width = snm.Header.Width,
Height = snm.Header.Height,
RleOutputSize = snm.Header.Width * snm.Header.Height * 2,
SubcodecId = (byte)videoStream.BitsPerPixel,
Data = videoData
};
//byte[] buffer;
//if (videoStream.BitsPerPixel == 24)
//{
// buffer = SnmFile.Convert24BppTo16Bpp(videoData);
//}
//else
//{
// buffer = SnmFile.Convert32BppTo16Bpp(videoData);
//}
//byte subcodecId;
//frame.Video.Data = Blocky16.Compress(buffer, out subcodecId);
//frame.Video.SubcodecId = subcodecId;
}
snm.Frames.Add(frame);
}
}
finally
{
videoStream.GetFrameClose();
}
}
finally
{
aviManager.Close();
}
snm.Frames
.AsParallel()
.ForAll(frame =>
{
if (frame.Audio != null)
{
frame.Audio.Data = Imc.Vima.Compress(frame.Audio.Data, 2);
}
if (frame.Video != null)
{
byte[] buffer;
if (frame.Video.SubcodecId == 24)
{
buffer = SnmFile.Convert24BppTo16Bpp(frame.Video.Data);
}
else
{
buffer = SnmFile.Convert32BppTo16Bpp(frame.Video.Data);
}
frame.Video.Data = Blocky16.Compress(buffer, out byte subcodecId);
frame.Video.SubcodecId = subcodecId;
}
});
return(snm);
}
public void Play()
{
video.GetFrameOpen();
}