public void Write(string path)
{
if (!_ranPreview)
{
Preview();
}
_aviWriter = new AVIWriter(path);
// Set up the streams for the new file
_needsTwoCC = new bool[_aviReader.StreamCount];
for (int i = 0; i < _aviReader.StreamCount; i++)
{
AVIStreamType streamType = _aviReader.GetStreamType(i);
_aviWriter.AddStream(streamType);
_aviWriter.SetStreamHeader(i, _aviReader.GetStreamHeader(i));
if (streamType == AVIStreamType.Video)
{
_aviWriter.SetStreamFormat(i, _aviReader.GetVideoStreamFormat(i));
}
else if (streamType == AVIStreamType.Audio)
{
_aviWriter.SetStreamFormat(i, _aviReader.GetAudioStreamFormat(i));
}
_aviWriter.SetStreamFormatExtra(i, _aviReader.GetStreamFormatExtra(i));
_aviWriter.SetStreamName(i, _aviReader.GetStreamName(i));
_needsTwoCC[i] = true;
}
try {
Run(true);
}
catch {
_aviWriter.Close();
File.Delete(path);
throw;
}
_aviWriter.Close();
if (_wasStopped)
{
File.Delete(path);
}
}
private AVIWriter(string path, int codecID, List<string> warnings, bool isAlphaWriter) {
if ((codecID != 2) && (codecID != 4) && (codecID != 5)) {
throw new Exception("Unsupported video codec.");
}
FileStream fs = new FileStream(path, FileMode.Create, FileAccess.Write, FileShare.Read);
_path = path;
_bw = new BinaryWriter(fs);
_codecID = codecID;
_warnings = warnings;
_isAlphaWriter = isAlphaWriter;
if ((codecID == 5) && !_isAlphaWriter) {
_alphaWriter = new AVIWriter(path.Substring(0, path.Length - 4) + ".alpha.avi", codecID, warnings, true);
}
WriteFourCC("RIFF");
_bw.Write((uint)0); // chunk size
WriteFourCC("AVI ");
WriteFourCC("LIST");
_bw.Write((uint)192);
WriteFourCC("hdrl");
WriteFourCC("avih");
_bw.Write((uint)56);
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0x10);
_bw.Write((uint)0); // frame count
_bw.Write((uint)0);
_bw.Write((uint)1);
_bw.Write((uint)0);
_bw.Write((uint)0); // width
_bw.Write((uint)0); // height
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0);
WriteFourCC("LIST");
_bw.Write((uint)116);
WriteFourCC("strl");
WriteFourCC("strh");
_bw.Write((uint)56);
WriteFourCC("vids");
WriteFourCC(CodecFourCC);
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0); // frame rate denominator
_bw.Write((uint)0); // frame rate numerator
_bw.Write((uint)0);
_bw.Write((uint)0); // frame count
_bw.Write((uint)0);
_bw.Write((int)-1);
_bw.Write((uint)0);
_bw.Write((ushort)0);
_bw.Write((ushort)0);
_bw.Write((ushort)0); // width
_bw.Write((ushort)0); // height
WriteFourCC("strf");
_bw.Write((uint)40);
_bw.Write((uint)40);
_bw.Write((uint)0); // width
_bw.Write((uint)0); // height
_bw.Write((ushort)1);
_bw.Write((ushort)24);
WriteFourCC(CodecFourCC);
_bw.Write((uint)0); // biSizeImage
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0);
_bw.Write((uint)0);
WriteFourCC("LIST");
_bw.Write((uint)0); // chunk size
WriteFourCC("movi");
_index = new List<uint>();
}
