/// <summary>Create an editable stream from an uneditable stream</summary>
/// <param name="stream">uneditable stream</param>
public EditableVideoStream(VideoStream stream) : base(stream.FrameSize, stream.FrameRate, stream.Width, stream.Height, stream.CountBitsPerPixel, stream.CountFrames, stream.CompressOptions, stream.WriteCompressed) {
Avi.AVIFileInit();
int result = Avi.CreateEditableStream(ref editableStream, stream.StreamPointer);
if (result != 0) {
throw new Exception("Exception in CreateEditableStream: " + result.ToString());
}
SetInfo(stream.StreamInfo);
}
/// <summary>Get the first video stream - usually there is only one video stream</summary>
/// <returns>VideoStream object for the stream</returns>
public VideoStream GetVideoStream(){
IntPtr aviStream;
int result = Avi.AVIFileGetStream(
aviFile,
out aviStream,
Avi.streamtypeVIDEO, 0);
if(result != 0){
throw new Exception("Exception in AVIFileGetStream: "+result.ToString());
}
VideoStream stream = new VideoStream(aviFile, aviStream);
streams.Add(stream);
return stream;
}
public void AddFrame(Bitmap frame)
{
var storeName = store.GetStoreName();
if (!storeName.Equals(currentStoreName))
{
this.Close();
}
lock (syncRoot)
{
if (aviManager == null)
{
aviManager = new AviManager(storeName, false);
videoStream = aviManager.AddVideoStream(true, VIDEO_FRAME_RATE, frame);
currentStoreName = storeName;
}
else
videoStream.AddFrame(frame);
}
}
/// <summary>Add an empty video stream to the file</summary>
/// <param name="isCompressed">true: Create a compressed stream before adding frames</param>
/// <param name="frameRate">Frames per second</param>
/// <param name="firstFrame">Image to write into the stream as the first frame</param>
/// <returns>VideoStream object for the new stream</returns>
public VideoStream AddVideoStream(bool isCompressed, double frameRate, Bitmap firstFrame){
VideoStream stream = new VideoStream(aviFile, isCompressed, frameRate, firstFrame);
streams.Add(stream);
return stream;
}
/// <summary>Add an empty video stream to the file</summary>
/// <remarks>Compresses the stream without showing the codecs dialog</remarks>
/// <param name="compressOptions">Compression options</param>
/// <param name="frameRate">Frames per second</param>
/// <param name="firstFrame">Image to write into the stream as the first frame</param>
/// <returns>VideoStream object for the new stream</returns>
public VideoStream AddVideoStream(Avi.AVICOMPRESSOPTIONS compressOptions, double frameRate, Bitmap firstFrame) {
VideoStream stream = new VideoStream(aviFile, compressOptions, frameRate, firstFrame);
streams.Add(stream);
return stream;
}
/// <summary>Add an empty video stream to the file</summary>
/// <param name="isCompressed">true: Create a compressed stream before adding frames</param>
/// <param name="frameRate">Frames per second</param>
/// <param name="frameSize">Size of one frame in bytes</param>
/// <param name="width">Width of each image</param>
/// <param name="height">Height of each image</param>
/// <param name="format">PixelFormat of the images</param>
/// <returns>VideoStream object for the new stream</returns>
public VideoStream AddVideoStream(bool isCompressed, double frameRate, int frameSize, int width, int height, PixelFormat format){
VideoStream stream = new VideoStream(aviFile, isCompressed, frameRate, frameSize, width, height, format);
streams.Add(stream);
return stream;
}
/// <summary>Paste a number of frames from another video stream into this stream</summary>
/// <param name="sourceStream">Stream to copy from</param>
/// <param name="copyPosition">Index of the first frame to copy</param>
/// <param name="pastePosition">Where to paste the copied frames</param>
/// <param name="length">Count of frames to paste</param>
public void Paste(VideoStream sourceStream, int copyPosition, int pastePosition, int length)
{
Paste(sourceStream.StreamPointer, copyPosition, pastePosition, length);
}
/// <summary>Create a new AVI Player</summary>
/// <param name="videoStream">Video stream to play</param>
/// <param name="picDisplay">PictureBox to display the video</param>
/// <param name="ctlFrameIndexFeedback">Optional Label to show the current frame index</param>
public AviPlayer(VideoStream videoStream, PictureBox picDisplay, Control ctlFrameIndexFeedback) {
this.videoStream = videoStream;
this.picDisplay = picDisplay;
this.ctlFrameIndexFeedback = ctlFrameIndexFeedback;
this.isRunning = false;
}
/// <summary>Paste a number of frames from another video stream into this stream</summary>
/// <param name="sourceStream">Stream to copy from</param>
/// <param name="copyPosition">Index of the first frame to copy</param>
/// <param name="pastePosition">Where to paste the copied frames</param>
/// <param name="length">Count of frames to paste</param>
public void Paste(VideoStream sourceStream, int copyPosition, int pastePosition, int length) {
Paste(sourceStream.StreamPointer, copyPosition, pastePosition, length);
}
public void Close()
{
if (aviManager != null)
{
try
{
lock (syncRoot)
{
aviManager.Close();
if (!string.IsNullOrEmpty(currentStoreName))
{
store.Save(currentStoreName);
}
}
}
catch (Exception ex)
{
//todo
}
finally
{
aviManager = null;
videoStream = null;
}
}
}
/// <summary>Copy all frames into a new file</summary>
/// <param name="fileName">Name of the new file</param>
/// <param name="recompress">true: Compress the new stream</param>
/// <returns>AviManager for the new file</returns>
/// <remarks>Use this method if you want to append frames to an existing, compressed stream</remarks>
public AviManager DecompressToNewFile(String fileName, bool recompress, out VideoStream newStream2){
AviManager newFile = new AviManager(fileName, false);
this.GetFrameOpen();
Bitmap frame = GetBitmap(0);
VideoStream newStream = newFile.AddVideoStream(recompress, frameRate, frame);
frame.Dispose();
for(int n=1; n<countFrames; n++){
frame = GetBitmap(n);
newStream.AddFrame(frame);
frame.Dispose();
}
this.GetFrameClose();
newStream2 = newStream;
return newFile;
}
