/// <summary>
/// This is the entry function called by fvc.
/// </summary>
static public async System.Threading.Tasks.Task Run(IScripting scripting, string argument)
{
scripting.GetConsole().Clear();
ISelection selection = scripting.GetSelection();
var playlist = selection.GetSelectedPlaylist();
if (playlist == null)
{
scripting.GetConsole().WriteLine("Select a playlist");
return;
}
if (ConcatPlaylist.GetFFMPEGPath() == null)
{
return;
}
if (ConcatPlaylist.GetTempFolder() == null)
{
return;
}
ConcatPlaylist merger = new ConcatPlaylist(scripting);
merger.Concat(null, null);
}
/// <summary>
/// Call the cmd line tool. The sample just use -i that goes on the file extensions.
/// Use the conversion_parameters for more advanced conversions.
/// </summary>
public void Concat(string out_file, string conversion_parameters)
{
string tool_path = GetFFMPEGPath();
string tmp_file_path = System.IO.Path.GetTempFileName();
m_FilesToDelete.Add(tmp_file_path);
var stream_writer = System.IO.File.CreateText(tmp_file_path);
if (stream_writer == null)
{
System.Windows.MessageBox.Show(tool_path, "Failed to write temporary text file");
return;
}
ISelection selection = m_scripting.GetSelection();
IUtilities utilities = m_scripting.GetUtilities();
var catalog = m_scripting.GetVideoCatalogService();
string extension = null;
string video_format = null;
string video_width = null;
string video_height = null;
string audio_format = null;
var playlist = selection.GetSelectedPlaylist();
int[] all_clip_ids = catalog.GetPlaylistClipIDs(playlist.ID);
int part = 1;
bool can_do_pure_concat = true;
foreach (int clip_id in all_clip_ids)
{
var clip = catalog.GetVideoClip(clip_id);
var video_entry = catalog.GetVideoFileEntry(clip.VideoFileID);
string video_path = utilities.ConvertToLocalPath(video_entry.FilePath);
var extended = catalog.GetVideoFileExtendedProperty((int)clip.VideoFileID);
foreach (var prop in extended)
{
if (prop.Property == "video_Format")
{
if (video_format == null)
{
video_format = prop.Value;
m_scripting.GetConsole().WriteLine(video_path + " - Video format is " + video_format);
}
else if (video_format != prop.Value)
{
string msg = "Aborting. All videos must be in the same video format.\n'";
msg += video_path + "' is in " + prop.Value + "\n";
msg += " previous was in " + video_format + "\n";
m_scripting.GetConsole().WriteLine(msg);
can_do_pure_concat = false;
}
}
else if (prop.Property == "video_Width")
{
if (video_width == null)
{
video_width = prop.Value;
m_scripting.GetConsole().WriteLine(video_path + " - Video width is " + video_width);
}
else if (video_width != prop.Value)
{
string msg = "Aborting. All videos must be in the same dimension.\n'";
msg += video_path + "' width is " + prop.Value + "\n";
msg += " previous was in " + video_width + "\n";
m_scripting.GetConsole().WriteLine(msg);
can_do_pure_concat = false;
}
}
if (prop.Property == "video_Height")
{
if (video_height == null)
{
video_height = prop.Value;
m_scripting.GetConsole().WriteLine(video_path + " - Video height is " + video_height);
}
else if (video_height != prop.Value)
{
string msg = "Aborting. All videos must be in the same dimension.\n'";
msg += video_path + "' height is " + prop.Value + "\n";
msg += " previous was in " + video_height + "\n";
m_scripting.GetConsole().WriteLine(msg);
can_do_pure_concat = false;
}
}
if (prop.Property == "audio_Format")
{
if (audio_format == null)
{
audio_format = prop.Value;
m_scripting.GetConsole().WriteLine(video_path + " - Audio format is " + audio_format);
}
else if (audio_format != prop.Value)
{
string msg = "Aborting. All videos must be in the same audio format.\n";
msg += video_path + "is in " + prop.Value + "\n";
msg += " previous was in " + audio_format + "\n";
m_scripting.GetConsole().WriteLine(msg);
can_do_pure_concat = false;
}
}
}
if (extension == null)
{
int extension_start = video_path.LastIndexOf(".");
extension = video_path.Substring(extension_start);
}
if (can_do_pure_concat)
{
string out_path = GetTempFolder() + "clip_" + part + extension;
part = part + 1;
SaveClip(video_path, clip.StartTime, clip.EndTime, out_path);
stream_writer.Write("file '" + out_path + "'");
stream_writer.WriteLine();
}
else
{
selection.SetSelectedPlaylistClip(clip_id); // select the offending clip
// if we can not do a pure concat we abort here. To continue we would need to re-encode the file and that
// takes a bit more care and user intervention
return;
}
}
stream_writer.Close();
if (out_file == null)
{
Microsoft.Win32.SaveFileDialog dlg = new Microsoft.Win32.SaveFileDialog();
dlg.FileName = "concat" + extension;
dlg.DefaultExt = extension;
dlg.Filter = "All files|*.*";
Nullable <bool> result = dlg.ShowDialog();
if (result == false)
{
return;
}
out_file = dlg.FileName;
}
RunFFMPEG("-f concat - safe 0 - i " + tmp_file_path + conversion_parameters + " - c copy \"" + out_file + "\"");
PlayVideo(out_file);
}