static void Main(string[] args)
{
var reader = new MvdReader();
var writer = new MvdWriter();
MotoVideo video = reader.ReadVideo(@"C:\LSR\art\frontend\help\help.mvd");
writer.WriteVideo(video, @"C:\LSR\art\frontend\help\help.mvd.out");
}
/// <summary>
/// Writes a video to the provided stream.
/// </summary>
/// <param name="video">The video to write</param>
/// <param name="stream">The stream to write the track to</param>
public void WriteVideo(MotoVideo video, Stream stream)
{
this.stream = stream;
using (writer = new BinaryWriter(stream))
{
writer.Write(MotoVideo.fileMagic);
writer.Write((int)video.frames.Count);
writer.Write(video.width);
writer.Write(video.height);
writer.Write(video.bitDepth);
foreach (var frame in video.frames)
{
writer.Write(frame.bytes);
}
}
}
/// <summary>
/// Reads a video from the provided stream.
/// </summary>
/// <param name="stream">The stream to read the video from</param>
/// <returns>The video as an object</returns>
/// <exception cref="InvalidDataException">Thrown when the video file is formatted incorrectly.</exception>
public MotoVideo ReadVideo(Stream stream)
{
this.stream = stream;
var video = new MotoVideo();
using (reader = new BinaryReader(stream))
{
var videoHeader = reader.ReadBytes(20);
// TODO: equality check for file magic.
//if (!videoHeader.Equals(MotoVideo.fileMagic)) throw new InvalidDataException("MVD file has incorrct header!");
var numFrames = ReadInt();
video.numFrames = numFrames;
var width = ReadInt();
var height = ReadInt();
video.width = width;
video.height = height;
var bitDepth = ReadInt();
video.bitDepth = bitDepth;
var frameSize = width * height * (bitDepth / 8);
for (var fr = 0; fr < numFrames; fr++)
{
var frame = new MotoVideoFrame(width, height, bitDepth);
frame.bytes = reader.ReadBytes(frameSize);
if (frame.bytes.Length != frameSize)
{
throw new InvalidDataException($"Invalid size on frame {fr}!");
}
video.frames.Add(frame);
}
}
return(video);
}
static void Main(string[] args)
{
var timer = new Stopwatch();
timer.Start();
var reader = new MvdReader();
MotoVideo video = reader.ReadVideo(@"C:\LSR\art\frontend\help\help.mvd");
timer.Stop();
Console.WriteLine("Loaded and parsed, took {0}ms", timer.ElapsedMilliseconds, video.numFrames);
video.GetInfo();
Directory.CreateDirectory("dump");
timer.Restart();
var i = 0;
foreach (var frame in video.frames)
{
frame.DumpFrame("dump/" + i.ToString().PadLeft(4, '0') + ".raw");
i++;
}
timer.Stop();
Console.WriteLine("Dumping {1} frames took {0}ms", timer.ElapsedMilliseconds, video.numFrames);
}
/// <summary>
/// Writes a video to a file with the provided filename.
/// </summary>
/// <param name="video">The video to write</param>
/// <param name="filename">The filename to write the track to</param>
public void WriteVideo(MotoVideo video, string filename)
{
var fileStream = File.Open(filename, FileMode.Create);
WriteVideo(video, fileStream);
}
