public static async Task Encode(String output, EditorInfo info)
{
var psInfo = new System.Diagnostics.ProcessStartInfo();
psInfo.FileName = "ffmpeg.exe";
StringBuilder args = new StringBuilder();
args.Append("-y -vsync 1 -i " + info.VideoInfo.FileName
+ " -c:v " + info.VideoEncoders.Info().Encoder
+ " -map 0:" + info.VideoInfo.VideoStreams.Info().Channel);
// デフォルトのオーディオ優先する
List <StreamInfo> audios = new List <StreamInfo>();
if (info.VideoInfo.AudioStreams.Items[info.VideoInfo.AudioStreams.Index].Enable == true)
{
audios.Add(info.VideoInfo.AudioStreams.Items[info.VideoInfo.AudioStreams.Index].Item);
}
foreach (var audio in info.VideoInfo.AudioStreams.Items)
{
if (audio.Enable == false)
{
continue;
}
if (audios.Count > 0 && audios[0] == audio.Item)
{
continue;
}
audios.Add(audio.Item);
}
foreach (var audio in audios)
{
args.Append(" -c:a " + info.AudioEncoders.Info().Encoder + info.AudioEncoders.Info().Option
+ " -map 0:" + audio.Channel);
}
// 字幕操作したいけれど方法わからん、、、、
/*
* foreach (var subtitle in info.VideoInfo.SubTitleStreams.Items)
* {
* if (subtitle.Enable == false) continue;
* args.Append(" -c:s mov_text");
* }
*/
args.Append(" -s " + info.Resolutions.Info() + " -aspect 16:9");
if (!String.IsNullOrEmpty(info.StartTime))
{
args.Append(" -ss " + info.StartTime);
}
if (!String.IsNullOrEmpty(info.TotalTime))
{
args.Append(" -t " + info.TotalTime);
}
args.Append(" " + System.IO.Path.Combine(output, info.Filename) + Extension);
psInfo.Arguments = args.ToString();
await Task.Run(() => System.Diagnostics.Process.Start(psInfo).WaitForExit());
}
public static EditorInfo Analysis(String filename)
{
if (!System.IO.File.Exists(filename))
{
return(null);
}
var psInfo = new System.Diagnostics.ProcessStartInfo();
psInfo.FileName = "ffmpeg.exe";
psInfo.Arguments = "-i " + filename;
psInfo.CreateNoWindow = true;
psInfo.UseShellExecute = false;
psInfo.RedirectStandardError = true;
String output = System.Diagnostics.Process.Start(psInfo).StandardError.ReadToEnd();
output = output.Replace("\r\n", "\n");
VideoInfo vInfo = new VideoInfo();
vInfo.FileName = filename;
foreach (String oneline in output.Split('\n'))
{
int index = oneline.IndexOf(" Stream");
if (index < 0)
{
continue;
}
index = oneline.IndexOf(":", index);
if (index < 0)
{
continue;
}
index++;
StreamInfo stInfo = new StreamInfo();
for (; index < oneline.Length; index++)
{
int tmp;
if (int.TryParse(oneline[index].ToString(), out tmp))
{
stInfo.Channel = stInfo.Channel * 10 + tmp;
}
else
{
break;
}
}
index = oneline.IndexOf(":", index);
if (index < 0)
{
continue;
}
String type = oneline.Substring(index + 2, oneline.IndexOf(":", index + 1) - index - 2);
index = oneline.IndexOf(":", index + 1);
if (index < 0)
{
continue;
}
stInfo.Name = oneline.Substring(index + 2);
switch (type)
{
case "Video":
vInfo.VideoStreams.Items.Add(stInfo);
break;
case "Audio":
vInfo.AudioStreams.Items.Add(new ChoiceInfo <StreamInfo>()
{
Item = stInfo
});
break;
case "Subtitle":
vInfo.SubTitleStreams.Items.Add(new ChoiceInfo <StreamInfo>()
{
Item = stInfo
});
break;
}
}
EditorInfo info = new EditorInfo();
info.VideoInfo = vInfo;
info.Filename = System.IO.Path.GetFileNameWithoutExtension(filename);
return(info);
}
