public static VideoInfo TryReadVideoInfoViaAviHeader(string fileName)
{
var info = new VideoInfo {
Success = false
};
try
{
using (var rp = new RiffParser())
{
if (rp.TryOpenFile(fileName) && rp.FileType == RiffParser.CkidAvi)
{
var dh = new RiffDecodeHeader(rp);
dh.ProcessMainAvi();
info.FileType = RiffParser.FromFourCc(rp.FileType);
info.Width = dh.Width;
info.Height = dh.Height;
info.FramesPerSecond = dh.FrameRate;
info.TotalFrames = dh.TotalFrames;
info.TotalMilliseconds = dh.TotalMilliseconds;
info.TotalSeconds = info.TotalMilliseconds / TimeCode.BaseUnit;
info.VideoCodec = dh.VideoHandler;
info.Success = true;
}
}
}
catch
{
// ignored
}
return(info);
}
public Wave(string fileName)
{
RiffParser parser = new RiffParser();
RiffDecodeHeader decoder = new RiffDecodeHeader(parser);
parser.OpenFile(fileName);
if (RiffParser.ckidAVI == parser.FileType)
{
decoder.ProcessMainAVI();
decoder.ProcessMainWAVE();
parser.CloseFile();
}
}
public Wave(string fileName)
{
RiffParser parser = new RiffParser();
RiffDecodeHeader decoder = new RiffDecodeHeader(parser);
parser.OpenFile(fileName);
if (RiffParser.ckidAVI == parser.FileType)
{
decoder.ProcessMainAVI();
decoder.ProcessMainWAVE();
parser.CloseFile();
}
}
private static VideoInfo TryReadVideoInfoViaAviHeader(string fileName)
{
var info = new VideoInfo { Success = false };
try
{
using (var rp = new RiffParser())
{
var dh = new RiffDecodeHeader(rp);
rp.OpenFile(fileName);
info.FileType = RiffParser.FromFourCC(rp.FileType);
if (RiffParser.ckidAVI == rp.FileType)
{
dh.ProcessMainAVI();
info.Width = dh.Width;
info.Height = dh.Height;
info.FramesPerSecond = dh.FrameRate;
info.TotalFrames = dh.TotalFrames;
info.TotalMilliseconds = dh.TotalMilliseconds;
info.TotalSeconds = info.TotalMilliseconds / TimeCode.BaseUnit;
info.VideoCodec = dh.VideoHandler;
info.Success = true;
}
}
}
catch
{
}
return info;
}
