private void runAutocombineAV(string vid, string aud)
{
var vidOnly = Path.GetDirectoryName(vid) + "/" + Path.GetFileNameWithoutExtension(vid) +
"_{vidonly}" + Path.GetExtension(vid);
var outFile = Path.GetDirectoryName(vid) + "/" + Path.GetFileNameWithoutExtension(vid) +
"_{out}" + Path.GetExtension(vid);
if (File.Exists(outFile))
{
Utils.SoftDelete(outFile);
}
var args = Utils.SplitByString("-i|" + vid + "|-an|-c:v|copy|" + vidOnly, "|");
var info = new ProcessStartInfo();
info.FileName = CsDownloadVidFilepaths.GetFfmpeg();
info.Arguments = Utils.CombineProcessArguments(args.ToArray());
info.CreateNoWindow = true;
info.RedirectStandardError = true;
info.RedirectStandardOutput = true;
info.UseShellExecute = false;
_runner.RunProcessSync(info, "AutocombineAV: 1) Ensuring video-only version " + vid);
Utils.AssertTrue(File.Exists(vidOnly) && new FileInfo(vidOnly).Length > 0, "Did not write to " + vidOnly);
args = Utils.SplitByString("-i|" + vidOnly + "|-i|" + aud + "|-c:a|copy|-c:v|copy|" + outFile, "|");
info = new ProcessStartInfo();
info.FileName = CsDownloadVidFilepaths.GetFfmpeg();
info.Arguments = Utils.CombineProcessArguments(args.ToArray());
info.CreateNoWindow = true;
info.RedirectStandardError = true;
info.RedirectStandardOutput = true;
info.UseShellExecute = false;
_runner.RunProcessSync(info, "AutocombineAV: 2) Putting A+V together " + vid);
Utils.AssertTrue(File.Exists(outFile) && new FileInfo(outFile).Length > 0, "Did not write to " + outFile);
_runner.Trace("AutocombineAV: 3) Deleting temporaries");
Utils.SoftDelete(vidOnly);
Utils.SoftDelete(vid);
Utils.SoftDelete(aud);
}
void MediaJoin(string[] lines, string outFormat)
{
var parentDirs = (from part in lines
select Path.GetDirectoryName(part)).Distinct();
if (parentDirs.Count() != 1)
{
throw new CsDownloadVidException("Input files must be in same directory.");
}
var fileExts = (from part in lines select Path.GetExtension(part)).Distinct();
if (fileExts.Count() != 1)
{
throw new CsDownloadVidException("Files have different extensions.");
}
var tmpList = parentDirs.First() + Utils.Sep + "temp_csdownloadvid_list.txt";
if (File.Exists(tmpList))
{
File.Delete(tmpList);
Utils.AssertTrue(!File.Exists(tmpList));
}
foreach (var part in lines)
{
var file = "file " + EscapeStringForFfmpeg(part) + "\n";
File.AppendAllText(tmpList, file);
}
outFormat = outFormat == "auto" ? fileExts.ToArray()[0] : outFormat;
var output = lines[0] + "_out" + outFormat;
if (File.Exists(output))
{
throw new CsDownloadVidException("File already exists " + output);
}
var args = new List <string>();
args.Add("-nostdin");
args.Add("-f");
args.Add("concat");
args.Add("-safe"); // many versions of ffmpeg think windows full paths are unsafe
args.Add("0"); // perhaps better to set current directory + use relative paths
args.Add("-i");
args.Add(tmpList);
args.Add("-acodec");
args.Add("copy");
args.Add("-vcodec");
args.Add("copy");
args.Add(output);
_runner.Trace("Saving to " + output);
var info = new ProcessStartInfo();
info.FileName = CsDownloadVidFilepaths.GetFfmpeg();
info.Arguments = Utils.CombineProcessArguments(args.ToArray());
info.CreateNoWindow = true;
info.RedirectStandardError = true;
info.RedirectStandardOutput = true;
info.UseShellExecute = false;
_runner.RunProcessSync(info, "Join Media");
if (File.Exists(tmpList))
{
File.Delete(tmpList);
}
}