//public static CompressResult CompressIPframes(string iFreamFile, string pFrameFile, string outFile)
//{
// var i = new Bitmap(iFreamFile);
// var p = new Bitmap(pFrameFile);
// var mpeg = new MPEG(i.Height, i.Width);
// byte[][] ipframes = new byte[2][];
// ipframes[0] = mpeg.Compress(i, MPEG.FrameType.I);
// ipframes[1] = mpeg.Compress(p, MPEG.FrameType.P);
// // store to outFile
// WriteCompressIPframes(outFile, new ImagesData(i.Height, i.Width, 1, ipframes));
// return new CompressResult(i.Height * i.Width * 6, ipframes[0].Length + ipframes[1].Length);
//}
//public static Bitmap[] DecompressIPframes(string inFile)
//{
// ImagesData data = ReadCompressIPframes(inFile);
// var mpeg = new MPEG(data.Height, data.Width);
// var bms = new Bitmap[2];
// bms[0] = mpeg.Decompress(data.EncodedFrames[0], MPEG.FrameType.I);
// bms[1] = mpeg.Decompress(data.EncodedFrames[1], MPEG.FrameType.P);
// return bms;
//}
public static CompressResult CompressIPFrames(String[] framePaths, int iFrameGaps, String outPath)
{
if (framePaths == null || framePaths.Length < 1)
{
throw new Exception("must at least have 1 frame");
}
int frameCount = framePaths.Length;
Bitmap[] frames = new Bitmap[frameCount];
for (int i = 0; i < frameCount; ++i)
{
frames[i] = new Bitmap(framePaths[i]);
}
byte[][] encodedFrames = new byte[frameCount][];
int height = frames[0].Height, width = frames[0].Width;
var mpeg = new MPEG(height, width);
int compressSize = 0;
for (int i = 0; i < frameCount; ++i)
{
if (i % iFrameGaps == 0)
{
encodedFrames[i] = mpeg.Compress(frames[i], MPEG.FrameType.I);
}
else
{
encodedFrames[i] = mpeg.Compress(frames[i], MPEG.FrameType.P);
}
compressSize += encodedFrames[i].Length;
}
WriteCompressIPframes(outPath, new ImagesData(height, width, iFrameGaps, encodedFrames));
return(new CompressResult(frames[0].Height * frames[0].Width * 3 * frames.Length, compressSize));
}
public static Bitmap[] DecompressIPFrames(string inFile)
{
ImagesData data = ReadCompressIPframes(inFile);
int numOfFrames = data.EncodedFrames.Length;
var bms = new Bitmap[numOfFrames];
var mpeg = new MPEG(data.Height, data.Width);
for (int i = 0; i < numOfFrames; ++i)
{
if (i % data.IFrameGap == 0)
{
bms[i] = mpeg.Decompress(data.EncodedFrames[i], MPEG.FrameType.I);
}
else
{
bms[i] = mpeg.Decompress(data.EncodedFrames[i], MPEG.FrameType.P);
}
}
return(bms);
}
