/// <summary>
/// 動画から有音区間の情報を作成
/// </summary>
/// <param name="getMovieContext"></param>
/// <returns></returns>
private List <SoundPartInfo> CreatePartList(GetMovieContext getMovieContext)
{
var arguments = $@"-i {getMovieContext.InputMoviePath} -af silencedetect=noise={getMovieContext.NoSoundLevel}dB:d={getMovieContext.NoSoundTerm} -f null -";
var rawinfo = FfmpegExecute(arguments);
var tmpInfo = rawinfo.Replace(Environment.NewLine, " ").Split(' ');
List <SoundPartInfo> soundPartInfoList = new List <SoundPartInfo>();
List <double> startEndTimeList = new List <double>();
for (int i = 0; i < tmpInfo.Length; i++)
{
if (tmpInfo[i] == "silence_start:" || tmpInfo[i] == "silence_end:")
{
startEndTimeList.Add(double.Parse(tmpInfo[i + 1]));
}
}
int num = 0;
for (int i = 0; i < startEndTimeList.Count; i += 2)
{
if (i == 0)
{
continue;
}
soundPartInfoList.Add(new SoundPartInfo(num++, startEndTimeList[i - 1], startEndTimeList[i], getMovieContext.CreateTimeCondition));
}
return(soundPartInfoList);
}
/// <summary>
/// 元になる動画データの情報を取得
/// </summary>
/// <returns></returns>
private List <GetMovieContext> CreateMovieContexts()
{
var curDirrectory = System.IO.Directory.GetCurrentDirectory();
var inputDirectory = this.TextBlockFileName.Text;
string[] files = System.IO.Directory.GetFiles(
inputDirectory, "*", System.IO.SearchOption.TopDirectoryOnly);
var outputDir = inputDirectory + @"\output\";
var tmpIntervalTime = this.IntervalTime.Text;
var parseRet = double.TryParse(tmpIntervalTime, out double intervalTime);
if (parseRet)
{
intervalTime = 1 / intervalTime;
}
else
{
intervalTime = 1;
}
List <GetMovieContext> contexts = new List <GetMovieContext>();
foreach (var file in files)
{
var context =
new GetMovieContext(file,
outputDir,
0,
0,
this.TxtCreateTimeCondition.Text,
intervalTime,
this.TxtNoSoundLevel.Text,
this.TxtNoSoundTerm.Text);
contexts.Add(context);
}
return(contexts);
}
public MovieInfomation(GetMovieContext context, List <SoundPartInfo> partsData)
{
FromFileName = Path.GetFileNameWithoutExtension(context.InputMoviePath);
Context = context;
PartsData = partsData;
}
