public static Result Probe(string filePath)
{
string args = $"-v quiet -print_format json -show_streams -show_format -hide_banner \"{filePath}\"";
string json = Cache.Instance.Get<string>(Cache.CACHE_STRINGS, args);
if (json == null)
{
json = new Executer(Executer.FFPROBE).Execute(args);
Cache.Instance.Put(Cache.CACHE_STRINGS, args, json);
}
try
{
JObject root = JObject.Parse(json);
var videoStream = root["streams"].Where(x => x["codec_type"].ToString() == "video").First();
return new Result()
{
EndTime = root["format"]["duration"].ToString(),
WidthPix = int.Parse(videoStream["width"].ToString()),
HeightPix = int.Parse(videoStream["height"].ToString()),
Scale = $"{videoStream["width"]}:{videoStream["height"]}",
Framerate = videoStream["r_frame_rate"].ToString()
};
}
catch { return default(Result); }
}
static string GetCrop(string file, string start, string t)
{
string args = $"-hide_banner -ss {start} -i \"{file}\" -t {t} -vf cropdetect=64:2:0 -f null NUL";
string cached = Cache.Instance.Get<string>(Cache.CACHE_STRINGS, args);
if (cached == null)
{
string output = new Executer(Executer.FFMPEG).Execute(args);
Regex regex = new Regex(@".*(crop=\d+:\d+:\d+:\d+).*");
Match match = regex.Match(output);
if (!match.Success)
return null;
cached = match.Groups[match.Groups.Count - 1].Value;
Cache.Instance.Put(Cache.CACHE_STRINGS, args, cached);
}
return cached;
}
public void Generate(bool toFile)
{
output = new Executer().Execute($"-hide_banner \"{File}\"");
GetTimings(toFile);
}