/// <summary>
/// Moves the passed in item up or down. No effect if upDown is neither 0 nor 1, or item not found.
/// </summary>
/// <param name="itemToMoveUp">The item to be moved.</param>
/// <param name="upDown">0 to move down, 1 to move up.</param>
/// <returns>The modified list.</returns>
public List <AudioTaskItem> MoveItem(ListViewItem itemToMoveUp, int upDown)
{
if (upDown != 0 && upDown != 1)
{
return(null);
}
int? index = null;
AudioTaskItem newItem = null;
foreach (var audioTaskItem in Items)
{
if (audioTaskItem.Number.ToString() != itemToMoveUp.Text)
{
continue;
}
newItem = audioTaskItem;
index = Items.IndexOf(audioTaskItem);
break;
}
if (index == null)
{
return(null);
}
Items.RemoveAt(Convert.ToInt32(index));
Items.Insert(upDown == 0
? Convert.ToInt32(index) + 1
: Convert.ToInt32(index) - 1, newItem); // Move up if upDown = 1, otherwise move down.
IsSaved = false;
return(Items);
}
/// <summary>
/// Append silence audio to the list.
/// </summary>
/// <param name="length">Length of the silence audio in milliseconds.</param>
/// <returns>The modified list.</returns>
public List <AudioTaskItem> Append(long length)
{
var item = new AudioTaskItem(length);
NumberStack++;
// Generate silence audio with ffmpeg
var ffmpeg = new Ffmpeg("./ffmpeg/ffmpeg.exe");
// var taskBeep = ffmpeg.StartFfmpeg(FFMPEG_ARGS_SILENCE
// .Replace("$SECS$", (length * 1000).ToString()
// .Replace("$FILE_TEMP$", $"{TempDir}\\{NumberStack}.m4a")), 1000);
var taskBeep = ffmpeg.StartFfmpeg(string.Format(FFMPEG_ARGS_SILENCE,
length / 1000,
$"{TempDir}\\{NumberStack}.mp3"), 1500);
if (!taskBeep.Result)
{
return(null);
}
item.AssignNumber(NumberStack, $"{TempDir}/{NumberStack}.mp3");
Items.Add(item);
totalDuration += item.Duration;
IsSaved = false;
return(Items);
}
/// <summary>
/// Append a beep sound to the list.
/// </summary>
/// <returns>The modified list.</returns>
public List <AudioTaskItem> Append()
{
var item = new AudioTaskItem();
NumberStack++;
File.Copy("./built_in_sound/Beep.mp3",
$"{TempDir}/{NumberStack}.mp3");
item.AssignNumber(NumberStack, $"{TempDir}/{NumberStack}.mp3");
Items.Add(item);
totalDuration += item.Duration;
IsSaved = false;
return(Items);
}
/// <summary>
/// Append Greensleeves audio to the list.
/// </summary>
/// <param name="length">Length of the Greensleeves audio in seconds.</param>
/// <returns>The modified list.</returns>
public List <AudioTaskItem> Append(int length)
{
var item = new AudioTaskItem(length);
NumberStack++;
File.Copy($"./built_in_sound/G_{length.ToString()}.mp3",
$"{TempDir}/{NumberStack}.mp3");
item.AssignNumber(NumberStack, $"{TempDir}\\{NumberStack}.mp3");
Items.Add(item);
totalDuration += item.Duration;
IsSaved = false;
return(Items);
}
// Methods
#region Methods for modifying List<AudioTaskItem>
/// <summary>
/// Append a general AudioTaskItem to the list.
/// </summary>
/// <param name="filepath">Path of file.</param>
/// <param name="msIn">In location in milliseconds.</param>
/// <param name="msOut">Out location in milliseconds.</param>
/// <returns>The modified list.</returns>
public List <AudioTaskItem> Append(string filepath, long msIn, long msOut)
{
var item = new AudioTaskItem(filepath, msIn, msOut);
NumberStack++;
File.Copy(filepath,
$"{TempDir}/{NumberStack}{Path.GetExtension(filepath)}");
item.AssignNumber(NumberStack,
$"{TempDir}/{NumberStack}{Path.GetExtension(filepath)}");
Items.Add(item);
totalDuration += item.Duration;
IsSaved = false;
return(Items);
}
/// <summary>
/// Load all AudioTaskItems from a file.
/// </summary>
/// <param name="filename">Path of the file which will be loaded.</param>
/// <param name="temp_dir">Path of the temp dir.</param>
public AudioTaskItemsCollection(string filename, string temp_dir)
{
TempDir = temp_dir;
Items = new List <AudioTaskItem>();
// Reads the lmtproj file
var project_lines = File.ReadAllLines(filename);
foreach (var line in project_lines)
{
var number = int.Parse(line.Split(';')[0]);
var name = line.Split(';')[1];
var secIn = (long)int.Parse(line.Split(';')[2]);
var secOut = (long)int.Parse(line.Split(';')[3]);
AudioTaskItem newItem;
switch (name) // Determines beep or silence
{
case "$BEEP_SOUND$":
// Beep item
newItem = new AudioTaskItem();
newItem.AssignNumber(number, $"{TempDir}/{number}.mp3");
Items.Add(newItem);
File.Copy($"./built_in_sound/Beep.mp3",
$"{TempDir}/{number}.mp3");
return;
case "$SILENCE_AUDIO$":
// Silence audio
this.Append(secOut);
return;
}
// Append Greensleeves music
if (name.Contains("GREENSLEEVES"))
{
var seconds = "";
foreach (var character in name)
{
if (char.IsDigit(character))
{
seconds += character;
}
}
newItem = new AudioTaskItem(int.Parse(seconds));
newItem.AssignNumber(number, $"{TempDir}/{number}.mp3");
Items.Add(newItem);
File.Copy($"./built_in_sound/G_{seconds}.mp3",
$"{TempDir}/{number}.mp3");
return;
}
// Append normal audio
if (!File.Exists(name))
{
continue; // Skip file if file is not exist
}
newItem = new AudioTaskItem(name, secIn, secOut);
newItem.AssignNumber(number, $"{TempDir}/{number}{Path.GetExtension(name)}");
Items.Add(newItem);
File.Copy(name, $"{TempDir}/{number}{Path.GetExtension(name)}");
// Add up total time
totalDuration += secOut - secIn;
NumberStack = number + 1;
}
}