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);
}