/// <summary>
/// Generate Audio clips for all episodes.
/// </summary>
public bool genAudioClip(WorkerVars workerVars, DialogProgress dialogProgress)
{
int progessCount = 0;
int episodeCount = 0;
int totalEpisodes = workerVars.CombinedAll.Count;
int curEpisodeCount = 0;
int totalLines = UtilsSubs.getTotalLineCount(workerVars.CombinedAll);
DateTime lastTime = UtilsSubs.getLastTime(workerVars.CombinedAll);
UtilsName name = new UtilsName(Settings.Instance.DeckName, totalEpisodes,
totalLines, lastTime, Settings.Instance.VideoClips.Size.Width,
Settings.Instance.VideoClips.Size.Height);
DialogProgress.updateProgressInvoke(dialogProgress, 0, "Creating audio clips.");
// For each episode
foreach (List <InfoCombined> combArray in workerVars.CombinedAll)
{
episodeCount++;
// It is possible for all lines in an episode to be set to inactive
if (combArray.Count == 0)
{
// Skip this episode
continue;
}
// Is the audio input an mp3 file?
bool inputFileIsMp3 = Settings.Instance.AudioClips.Files.Length > 0 &&
Path.GetExtension(Settings.Instance.AudioClips.Files[episodeCount - 1])
.ToLower() == ".mp3";
DateTime entireClipStartTime = combArray[0].Subs1.StartTime;
DateTime entireClipEndTime = combArray[combArray.Count - 1].Subs1.EndTime;
string tempMp3Filename = Path.GetTempPath() + ConstantSettings.TempAudioFilename;
// Apply pad to entire clip timings (if requested)
if (Settings.Instance.AudioClips.PadEnabled)
{
entireClipStartTime =
UtilsSubs.applyTimePad(entireClipStartTime, -Settings.Instance.AudioClips.PadStart);
entireClipEndTime = UtilsSubs.applyTimePad(entireClipEndTime, Settings.Instance.AudioClips.PadEnd);
}
// Do we need to extract the audio from the video file?
if (Settings.Instance.AudioClips.UseAudioFromVideo)
{
string progressText = $"Extracting audio from video file {episodeCount} of {totalEpisodes}"; // {1}
bool success = convertToMp3(
Settings.Instance.VideoClips.Files[episodeCount - 1],
Settings.Instance.VideoClips.AudioStream.Num,
progressText,
dialogProgress,
entireClipStartTime,
entireClipEndTime,
tempMp3Filename);
if (!success)
{
UtilsMsg.showErrMsg("Failed to extract the audio from the video.\n" +
"Make sure that the video does not have any DRM restrictions.");
return(false);
}
}
// If the reencode option is set or the input audio is not an mp3, reencode to mp3
else if (ConstantSettings.ReencodeBeforeSplittingAudio || !inputFileIsMp3)
{
string progressText = $"Reencoding audio file {episodeCount} of {totalEpisodes}";
bool success = convertToMp3(
Settings.Instance.AudioClips.Files[episodeCount - 1],
"0",
progressText,
dialogProgress,
entireClipStartTime,
entireClipEndTime,
tempMp3Filename);
if (!success)
{
UtilsMsg.showErrMsg("Failed to reencode the audio file.\n" +
"Make sure that the audio file does not have any DRM restrictions.");
return(false);
}
}
curEpisodeCount = 0; // Reset
// For each line in episode, generate an audio clip
foreach (InfoCombined comb in combArray)
{
progessCount++;
curEpisodeCount++;
int progress = Convert.ToInt32(progessCount * (100.0 / totalLines));
string progressText =
$"Generating audio clip: {progessCount.ToString()} of {totalLines.ToString()}";
// Update the progress dialog
DialogProgress.updateProgressInvoke(dialogProgress, progress, progressText);
// Did the user press the cancel button?
if (dialogProgress.Cancel)
{
File.Delete(tempMp3Filename);
return(false);
}
DateTime startTime = comb.Subs1.StartTime;
DateTime endTime = comb.Subs1.EndTime;
DateTime filenameStartTime = comb.Subs1.StartTime;
DateTime filenameEndTime = comb.Subs1.EndTime;
string fileToCut = "";
if (Settings.Instance.AudioClips.UseAudioFromVideo ||
ConstantSettings.ReencodeBeforeSplittingAudio || !inputFileIsMp3)
{
startTime = UtilsSubs.shiftTiming(startTime,
-(int)entireClipStartTime.TimeOfDay.TotalMilliseconds);
endTime = UtilsSubs.shiftTiming(endTime,
-(int)entireClipStartTime.TimeOfDay.TotalMilliseconds);
fileToCut = tempMp3Filename;
}
else
{
fileToCut = Settings.Instance.AudioClips.Files[episodeCount - 1];
}
// Apply pad (if requested)
if (Settings.Instance.AudioClips.PadEnabled)
{
startTime = UtilsSubs.applyTimePad(startTime, -Settings.Instance.AudioClips.PadStart);
endTime = UtilsSubs.applyTimePad(endTime, Settings.Instance.AudioClips.PadEnd);
filenameStartTime = UtilsSubs.applyTimePad(comb.Subs1.StartTime,
-Settings.Instance.AudioClips.PadStart);
filenameEndTime =
UtilsSubs.applyTimePad(comb.Subs1.EndTime, Settings.Instance.AudioClips.PadEnd);
}
string lyricSubs2 = "";
// Set the Subs2 lyric if it exists
if (Settings.Instance.Subs[1].Files.Length != 0)
{
lyricSubs2 = comb.Subs2.Text.Trim();
}
// Create output filename
string nameStr = name.createName(ConstantSettings.AudioFilenameFormat,
(int)episodeCount + Settings.Instance.EpisodeStartNumber - 1,
progessCount, filenameStartTime, filenameEndTime, comb.Subs1.Text, lyricSubs2);
string outName = $"{workerVars.MediaDir}{Path.DirectorySeparatorChar}{nameStr}"; // {2}
// Create audio clip
UtilsAudio.cutAudio(fileToCut, startTime, endTime, outName);
// Tag the audio clip
tagAudio(name, outName, episodeCount, curEpisodeCount, progessCount, combArray.Count,
filenameStartTime, filenameEndTime, comb.Subs1.Text, lyricSubs2);
}
File.Delete(tempMp3Filename);
}
// Normalize all mp3 files in the media directory
if (Settings.Instance.AudioClips.Normalize)
{
DialogProgress.updateProgressInvoke(dialogProgress, -1, "Normalizing audio...");
UtilsAudio.normalizeAudio(workerVars.MediaDir);
}
return(true);
}
