public static async Task <int> GetInputFrameCountAsync(string path)
{
long filesize = IOUtils.GetFilesize(path);
PseudoUniqueFile hash = new PseudoUniqueFile(path, filesize);
if (filesize > 0 && FrameCountCacheContains(hash))
{
Logger.Log($"FrameCountCache contains this hash, using cached frame count.", true);
return(GetFrameCountFromCache(hash));
}
else
{
Logger.Log($"Hash not cached, reading frame count.", true);
}
int frameCount;
if (IOUtils.IsPathDirectory(path))
{
frameCount = IOUtils.GetAmountOfFiles(path, false);
}
else
{
frameCount = await FfmpegCommands.GetFrameCountAsync(path);
}
Logger.Log($"Adding hash with frame count {frameCount} to cache.", true);
frameCountCache.Add(hash, frameCount);
return(frameCount);
}
private static int GetFrameCountFromCache(PseudoUniqueFile hash)
{
foreach (KeyValuePair <PseudoUniqueFile, int> entry in frameCountCache)
{
if (entry.Key.path == hash.path && entry.Key.filesize == hash.filesize)
{
return(entry.Value);
}
}
return(0);
}
private static bool FrameCountCacheContains(PseudoUniqueFile hash)
{
foreach (KeyValuePair <PseudoUniqueFile, int> entry in frameCountCache)
{
if (entry.Key.path == hash.path && entry.Key.filesize == hash.filesize)
{
return(true);
}
}
return(false);
}
