void MakeAvi()
{
MjpegIterator mjpeg = new MjpegIterator("temp.avi");
MjpegAviRecorder.Write("output.avi", mjpeg, uint.Parse(textBox3.Text));
mjpeg.Close();
File.Delete("temp.avi");
File.Move("output.avi", "temp.avi");
}
static void appendFrames(FileStream fs, MjpegIterator mjpeg)
{
mjpeg.MoveTo(0);
ulong nbr_of_jpgs = (ulong)mjpeg.Count;
while (!mjpeg.Eof())
{
var len = mjpeg.CurrentMem.Length;
fs.WriteAsByteArray("00db");
fs.fwrite_DWORD((uint)len);
var bb = mjpeg.CurrentMem.ToArray();
fs.Write(bb, 0, bb.Length);
if (bb.Length % 2 != 0)
{
fs.WriteByte(0);
}
if (!mjpeg.Next())
{
break;
}
}
ulong AVI_KEYFRAME = 16;
ulong offset_count = 4;
ulong index_length = 4 * 4 * nbr_of_jpgs;
fs.WriteAsByteArray("idx1");
fs.fwrite_DWORD((uint)index_length);
mjpeg.MoveTo(0);
while (!mjpeg.Eof())
{
var len = mjpeg.CurrentMem.Length;
if (len % 2 != 0)
{
len++;
}
fs.WriteAsByteArray("00db");
fs.fwrite_DWORD((uint)AVI_KEYFRAME);
fs.fwrite_DWORD((uint)offset_count);
fs.fwrite_DWORD((uint)len);
offset_count += (uint)(len + 8);
if (!mjpeg.Next())
{
break;
}
}
}
static ulong get_all_sizes(MjpegIterator mjpeg)
{
ulong sizes = 0;
mjpeg.MoveTo(0);
while (!mjpeg.Eof())
{
var len = mjpeg.CurrentMem.Length;
if (len % 2 != 0)
{
len += 1;
}
sizes += (ulong)len;
if (!mjpeg.Next())
{
break;
}
}
return(sizes);
}
public static void Write(string path, MjpegIterator mjpeg, ulong fps)
{
if (File.Exists(path))
{
File.Delete(path);
}
FileStream fs = new FileStream(path, FileMode.CreateNew, FileAccess.Write);
var bmp = mjpeg.Image();
ulong count = (ulong)mjpeg.Count;
var jpgs_width = bmp.Width;
var jpgs_height = bmp.Height;
bmp.Dispose();
fs.WriteAsByteArray("RIFF");
var len = get_all_sizes(mjpeg);
var RIFF_LISTdwSize = (uint)(150 + 12 + len + 8 * count + 8 + 4 * 4 * count);
fs.fwrite_DWORD(RIFF_LISTdwSize);
fs.WriteAsByteArray("AVI ");
fs.WriteAsByteArray("LIST");
fs.fwrite_DWORD(208);
fs.WriteAsByteArray("hdrl");
fs.WriteAsByteArray("avih");
fs.fwrite_DWORD(56);
var avihdwMicroSecPerFrame = (uint)(1000000 / fps);
fs.fwrite_DWORD(avihdwMicroSecPerFrame);
var avihdwMaxBytesPerSec = 7000;
fs.fwrite_DWORD((uint)avihdwMaxBytesPerSec);
var avihdwPaddingGranularity = 0;
fs.fwrite_DWORD((uint)avihdwPaddingGranularity);
fs.fwrite_DWORD((uint)16);
fs.fwrite_DWORD((uint)count);
fs.fwrite_DWORD((uint)0);
fs.fwrite_DWORD((uint)1);
fs.fwrite_DWORD((uint)0);
fs.fwrite_DWORD((uint)jpgs_width);
fs.fwrite_DWORD((uint)jpgs_height);
fs.fwrite_DWORD((uint)0);
fs.fwrite_DWORD((uint)0);
fs.fwrite_DWORD((uint)0);
fs.fwrite_DWORD((uint)0);
fs.WriteAsByteArray("LIST");
fs.fwrite_DWORD((uint)132);
fs.WriteAsByteArray("strl");
fs.WriteAsByteArray("strh");
fs.fwrite_DWORD(48);
fs.WriteAsByteArray("vids");
fs.WriteAsByteArray("MJPG");
fs.fwrite_DWORD(0);
fwrite_WORD(fs, 0);
fwrite_WORD(fs, 0);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD(1);
fs.fwrite_DWORD((uint)fps);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD((uint)count);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD(0);
fs.WriteAsByteArray("strf");
fs.fwrite_DWORD(40);
fs.fwrite_DWORD(40);
fs.fwrite_DWORD((uint)jpgs_width);
fs.fwrite_DWORD((uint)jpgs_height);
fwrite_WORD(fs, 1);
fwrite_WORD(fs, 24);
if (mjpeg.Format == ImageFormat.Png)
{
fs.WriteAsByteArray("MPNG");
}
if (mjpeg.Format == ImageFormat.Jpeg)
{
fs.WriteAsByteArray("MJPG");
}
var strfbiSizeImage = ((jpgs_width * jpgs_height / 8 + 3) & 0xFFFFFFFC) * jpgs_height;
fs.fwrite_DWORD((uint)strfbiSizeImage);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD(0);
fs.fwrite_DWORD(0);
fs.WriteAsByteArray("LIST");
fs.fwrite_DWORD(16);
fs.WriteAsByteArray("odml");
fs.WriteAsByteArray("dmlh");
fs.fwrite_DWORD(4);
fs.fwrite_DWORD((uint)count);
fs.WriteAsByteArray("LIST");
var movidwSize = len + 4 + 8 * count;
fs.fwrite_DWORD((uint)movidwSize);
fs.WriteAsByteArray("movi");
appendFrames(fs, mjpeg);
fs.Close();
fs.Dispose();
}
