private static void FFmpegSceneDetect()
{
// Skip Scene Detect if the file already exist
if (File.Exists(Path.Combine(Global.temp_path, Global.temp_path_folder, "splits.txt")) == false)
{
Helpers.Logging("Scene Detection with FFmpeg");
List <string> scenes = new List <string>();
// Starts FFmpeg Process
Process FFmpegSceneDetect = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo
{
WindowStyle = ProcessWindowStyle.Hidden,
UseShellExecute = false,
CreateNoWindow = true,
WorkingDirectory = Global.FFmpeg_Path,
RedirectStandardError = true,
FileName = "cmd.exe",
Arguments = "/C ffmpeg.exe -i " + '\u0022' + Global.Video_Path + '\u0022' + " -hide_banner -loglevel 32 -filter_complex select=" + '\u0022' + "gt(scene\\," + FFmpeg_Threshold + "),select=eq(key\\,1),showinfo" + '\u0022' + " -an -f null -"
};
FFmpegSceneDetect.StartInfo = startInfo;
FFmpegSceneDetect.Start();
// Reads Standard Err from FFmpeg Output
string stream = FFmpegSceneDetect.StandardError.ReadToEnd();
FFmpegSceneDetect.WaitForExit();
// Splits the Console Output by spaces
string[] array = stream.Split(' ');
// Searches for pts_time, if found it removes "pts_time:" to get only values
foreach (string value in array)
{
if (value.Contains("pts_time:"))
{
scenes.Add(value.Remove(0, 9));
}
}
// Temporary value for Arg creation
string previousScene = "0.000";
// Clears the Args List to avoid conflicts in Batch Encode Mode
FFmpegArgs.Clear();
// Creates the seeking args for ffmpeg piping
foreach (string sc in scenes)
{
FFmpegArgs.Add("-ss " + previousScene + " -to " + sc);
previousScene = sc;
}
// Argument for seeking until the end of the video
FFmpegArgs.Add("-ss " + previousScene);
// Writes splitting arguments to text file
foreach (string line in FFmpegArgs)
{
using (StreamWriter sw = File.AppendText(Path.Combine(Global.temp_path, Global.temp_path_folder, "splits.txt")))
{
sw.WriteLine(line);
sw.Close();
}
}
if (File.Exists(Path.Combine(Global.temp_path, Global.temp_path_folder, "splits.txt")))
{
Global.Video_Chunks = File.ReadAllLines(Path.Combine(Global.temp_path, Global.temp_path_folder, "splits.txt")); // Reads the split file for VideoEncode() function
}
}
}
private static void FFmpegChunking()
{
// Skips Splitting of already existent
if (!File.Exists(Path.Combine(Global.temp_path, Global.temp_path_folder, "splitting.log")))
{
// Create Chunks Folder
Helpers.Create_Temp_Folder(Path.Combine(Global.temp_path, Global.temp_path_folder, "Chunks"));
// Generate Command
string ffmpeg_command = "/C ffmpeg.exe";
ffmpeg_command += " -y -i " + '\u0022' + Global.Video_Path + '\u0022'; // Video Input
ffmpeg_command += " -reset_timestamps 1 -map_metadata -1 -sn -an"; // Remove unnecessary metadata etc
if (skip_reencode)
{
ffmpeg_command += " -c:v copy";
}
else
{
if (encode_method == 0)
{
ffmpeg_command += " -c:v libx264 -preset ultrafast -crf 0"; // Re-Encoding - Needed because else it WILL loose frames
}
else if (encode_method == 1)
{
ffmpeg_command += " -c:v ffv1 -level 3 -threads 4 -coder 1 -context 1 -slicecrc 0 -slices 4"; // Re-Encoding - Needed because else it WILL loose frames
}
else if (encode_method == 2)
{
ffmpeg_command += " -c:v utvideo"; // Re-Encoding - Needed because else it WILL loose frames
}
// Hardsub
if (MainWindow.subHardSubEnabled)
{
ffmpeg_command += " " + MainWindow.hardsub_command;
}
// Filters
ffmpeg_command += MainWindow.FilterCommand;
// Reset Filter Command so it is not being used later by encoders
MainWindow.FilterCommand = "";
ffmpeg_command += " -sc_threshold 0 -g " + chunking_length; // Make Splitting more accurate
ffmpeg_command += " -force_key_frames " + '\u0022' + "expr:gte(t, n_forced * " + chunking_length + ")" + '\u0022'; // Make Splitting more accurate
}
ffmpeg_command += " -segment_time " + chunking_length + " -f segment " + '\u0022'; // Segmenting
ffmpeg_command += Path.Combine(Global.temp_path, Global.temp_path_folder, "Chunks", "split%6d.mkv") + '\u0022'; // Video Output
Helpers.Logging("Equal Chunking: " + ffmpeg_command);
// Start Splitting
Process chunking_process = new Process();
ProcessStartInfo startInfo = new ProcessStartInfo
{
WindowStyle = ProcessWindowStyle.Hidden,
FileName = "cmd.exe",
WorkingDirectory = Global.FFmpeg_Path,
Arguments = ffmpeg_command
};
chunking_process.StartInfo = startInfo;
// Start Process
chunking_process.Start();
// Get launched Process ID
int temp_pid = chunking_process.Id;
// Add Process ID to Array, inorder to keep track / kill the instances
Global.Launched_PIDs.Add(temp_pid);
// Wait for Exit
chunking_process.WaitForExit();
// Get Exit Code
int exit_code = chunking_process.ExitCode;
// Remove PID from Array after Exit
Global.Launched_PIDs.RemoveAll(i => i == temp_pid);
// Write Save Point
Helpers.WriteToFileThreadSafe("", Path.Combine(Global.temp_path, Global.temp_path_folder, "splitting.log"));
}
// Add Chunks to Array
Global.Video_Chunks = Directory.GetFiles(Path.Combine(Global.temp_path, Global.temp_path_folder, "Chunks"), "*mkv", SearchOption.AllDirectories).Select(x => Path.GetFileName(x)).ToArray();
}
