public static MontageLog ReadCommands(string filename)
{
var log = new MontageLog();
int version = 0;
int id = 0;
using (var reader = new StreamReader(filename))
{
var ver=reader.ReadLine(); //version
if (ver == "Montager v2") version = 1;
reader.ReadLine(); //empty line
reader.ReadLine(); //fsync prompt
log.FaceFileSync = int.Parse(reader.ReadLine());
reader.ReadLine(); //empty line
while (true)
{
if (version > 0)
reader.ReadLine(); //ID команды
var time = reader.ReadLine();
if (time == null) break;
var action = reader.ReadLine();
if (action == null) break;
reader.ReadLine();
log.Commands.Add(new MontageCommand { Id = id, Time = int.Parse(time), Action = (MontageAction)Enum.Parse(typeof(MontageAction), action) });
id++;
}
}
return log;
}
public static void WriteCommands(MontageLog log, string fileName)
{
using (var writer = new StreamWriter(fileName))
{
WriteVersion(writer);
WriteFSync(writer, log.FaceFileSync);
foreach (var e in log.Commands)
WriteCommand(writer, e);
}
}
public static void WriteCommands(MontageLog log, string fileName)
{
using (var writer = new StreamWriter(fileName))
{
WriteVersion(writer);
WriteFSync(writer, log.FaceFileSync);
foreach (var e in log.Commands)
{
WriteCommand(writer, e);
}
}
}
public static MontageLog ReadCommands(string filename)
{
var log = new MontageLog();
int version = 0;
int id = 0;
using (var reader = new StreamReader(filename))
{
var ver = reader.ReadLine(); //version
if (ver == "Montager v2")
{
version = 1;
}
reader.ReadLine(); //empty line
reader.ReadLine(); //fsync prompt
log.FaceFileSync = int.Parse(reader.ReadLine());
reader.ReadLine(); //empty line
while (true)
{
if (version > 0)
{
reader.ReadLine(); //ID команды
}
var time = reader.ReadLine();
if (time == null)
{
break;
}
var action = reader.ReadLine();
if (action == null)
{
break;
}
reader.ReadLine();
log.Commands.Add(new MontageCommand {
Id = id, Time = int.Parse(time), Action = (MontageAction)Enum.Parse(typeof(MontageAction), action)
});
id++;
}
}
return(log);
}
public static PartsList CreateParts(List<string> tracks, MontageLog log, int title)
{
// chunk numbers to split after
var breakChunkNumbers = log.Commands
.Where(z => z.Action == MontageAction.CommitAndSplit)
.Select(z => z.Id)
.ToList();
var chunks = Montager.Montager.CreateChunks(log, "", "");
var isFace = new Dictionary<int, bool>
{
{0, true} // starts with 'face'
};
foreach (var chunk in chunks.Where(chunk => !isFace.Keys.Contains(chunk.Id)))
isFace.Add(chunk.Id, chunk.IsFaceChunk);
var parts = new PartsList(breakChunkNumbers);
parts.MakeParts(tracks, isFace, title);
return parts;
}
public static List<Chunk> CreateChunks(MontageLog log, string faceFile, string screenFile)
{
var commands = log.Commands;
var result = new List<Chunk>();
if (commands[0].Action != MontageAction.StartFace)
throw new Exception("Expected StartFace as the first command");
int faceLogSync = commands[0].Time;
if (commands[1].Action != MontageAction.StartScreen)
throw new Exception("Expected StartScreen as the second command");
int screenSync = commands[1].Time;
int currentTime=screenSync;
bool isFace=true;
int currentId=0;
for (int i = 2; i < commands.Count; i++)
{
if (commands[i].Action == MontageAction.Delete)
{
currentTime= commands[i].Time;
continue;
}
if (isFace)
result.Add(new Chunk
{
Id = commands[i].Id,
IsFaceChunk=true,
VideoSource = new ChunkSource
{
StartTime = currentTime - faceLogSync + log.FaceFileSync,
Duration = commands[i].Time - currentTime,
File = faceFile
}
});
else
result.Add(new Chunk
{
Id = commands[i].Id,
IsFaceChunk=false,
VideoSource = new ChunkSource
{
StartTime = currentTime - screenSync,
Duration = commands[i].Time - currentTime,
File = screenFile
},
AudioSource = new ChunkSource
{
StartTime = currentTime - faceLogSync + log.FaceFileSync,
Duration = commands[i].Time - currentTime,
File = faceFile
}
});
currentTime = commands[i].Time;
if (commands[i].Action == MontageAction.Face)
isFace = true;
if (commands[i].Action == MontageAction.Screen)
isFace = false;
if (result[result.Count - 1].VideoSource.Duration == 0)
result.RemoveAt(result.Count - 1);
}
return result;
}
static MontageLog CreateMontageLog(int fileSync, params object[] data)
{
var result = new MontageLog();
result.FaceFileSync = fileSync;
for (int i = 0; i < data.Length; i += 2)
result.Commands.Add(new MontageCommand { Id=i, Time = (int)data[i], Action = (MontageAction)data[i + 1] });
return result;
}
static void Test(MontageLog actions, params Action<Chunk,int>[] checks)
{
var chunks = Montager.CreateChunks(actions, faceFile, screenFile);
Assert.AreEqual(checks.Length, chunks.Count);
for (int i = 0; i < chunks.Count; i++)
{
// Assert.AreEqual(i, chunks[i].Id); по идее, их ID надо проверять отдельно
checks[i](chunks[i], i);
}
}
